CN106436628A - Blowing and sucking machine provided with improved safety button and built-in engine - Google Patents
Blowing and sucking machine provided with improved safety button and built-in engine Download PDFInfo
- Publication number
- CN106436628A CN106436628A CN201610922702.4A CN201610922702A CN106436628A CN 106436628 A CN106436628 A CN 106436628A CN 201610922702 A CN201610922702 A CN 201610922702A CN 106436628 A CN106436628 A CN 106436628A
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- Prior art keywords
- scavenging
- piston
- valve
- road junction
- cylinder body
- Prior art date
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0863—Apparatus loosening or removing the dirt by blowing and subsequently dislodging it at least partially by suction ; Combined suction and blowing nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B25/00—Engines characterised by using fresh charge for scavenging cylinders
- F02B25/14—Engines characterised by using fresh charge for scavenging cylinders using reverse-flow scavenging, e.g. with both outlet and inlet ports arranged near bottom of piston stroke
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B43/00—Engines characterised by operating on gaseous fuels; Plants including such engines
- F02B43/10—Engines or plants characterised by use of other specific gases, e.g. acetylene, oxyhydrogen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/0015—Multi-part pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0021—Construction
- F02F7/0039—Casings for small engines, especially with crankcase pumps
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H2001/0881—Details for pneumatically dislodging or removing not related to the mouth-piece
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
A concept and a principle that an ignition point of a spark plug is arranged at a focal point of a combustion chamber can be popularized in various engines, instruments and equipment. A blowing and sucking machine provided with an improved safety button and a built-in engine adopts the structure as follows: the safety button (62), a lock handle (61), a micro steering air pipe (65), a micro steering pipe base (64) and a microswitch (65) are mounted on a blowing and sucking machine handle with the engine; a shock-absorbing buffer device (63) is arranged between the handle and a blowing and sucking machine body; a combined starting way using a starting handle (59) and a pedal (60) is adopted; an oil tank is transparent so as to see an oil material, and is formed through blow moulding of transparent high-density polyethylene; a carburetor is provided with a touch device for automatically opening an air door for a choke hook (67) and an accelerator buckle (66); the inner wall of the combustion chamber is parabolic, and the ignition point of the spark plug is arranged at the focal point of the combustion chamber; the micro steering air pipe, the micro steering pipe base and the microswitch are triggered to be electrified for startup after the micro steering air pipe and the micro steering pipe base are jointed; the carburetor is provided with the touch device for automatically opening the air door for the choke hook (67) and the accelerator buckle (66).
Description
Technical field
The present invention relates to a kind of portable electric work for the place such as flower bed, garden, park and road side pressure-vaccum leaf
Tool, especially a kind of blower having improved safety key and built-in motor.Be included on handle install additional safety key and
Shank of the key, micro- steering airduct and micro- steering base and microswitch, set shock absorption buffering mechanism between handle and pressure-vaccum body, and starting is drawn
Hand and the start mode of foot pedal positions, fuel tank transparent to see oil plant, carburetor handicapping air door hooks and throttle is buckled automatically opens up
The touch device of air door, is used as power using the built-in two-cycle gasoline engine reducing discharge on blower.
Background technology
Blower is widely used in clearing up leaf by the selected mode of hobby of people.Some operation pedestrians like
During with custom blower, when particularly running into corner place, glance right and left and turn over angle and carry out pressure-vaccum, if contact ground
Roller is changed to turn to, and can conveniently work;The height of operation pedestrian is different, and custom takes the difference of operating angle,
Need assist handle can adjust, and original fixing assist handle not claims hand.The insurance of power supply source is because supplying multichannel, and often right
One blower is not suitable for, and former pressure-vaccum self-contained circuit lacks overloading protection, if adding insurance and biswitch, it will safer.Low shake
Dynamic property and low noise, also have the necessity optimizing further;If considering in the dynamic foamed plastics of the additional vibration damping of motor and in blower
Many places plus-minus shake deadener and honeycomb structure, can have certain curative effect;And the very big root of the vibration of grass-mowing machine and noise exists
The precision of power and instrument and form and position tolerance, according to improving motor and blow impeller axiality, and survey dynamically balanced improved method,
When be desirable to, but pursue the low vibration low noise of blower, be in fact a hard nut to crack left for a long time.Dust bag
How support and tying, filled easy landing, also must improve;Blower bodice upper casing dust mouth, when sometimes particularly commutating, wind is violent, needs
Plus soft;Blow impeller and add cutting edge, the easily stifled big inhalation (inhalatio) of cutting is worked as effect;And if single protruded tube is changed to stretch out more
Pipe or flexible folding pipe, can reduce volume further, improve transport work efficiency.Blower is opened certainly using engine and carburetor
Air door has demand.
For the igniter in combustion apparatus, especially gasoline motor spark plug, it is widely used in high voltage pulse
Electric current is introduced into combustion chamber, so that the gaseous mixture sparking of inspiration cylinder is lighted, and then diffusion combustion break out work done.Existing
Between the outside coupling of spark plug and the spark cap having rubber jar, sometimes there is the phenomenon loosely dissipating.Existing spark plug
Inside, though be provided with glass-sealing agent to make resistance, only impedance;If adding induction reactance and capacitive reactance, form suitable RCL loop, then
Have the effect more preferably suppressing radio interference.Multiple tracks umbrella rib on insulator also can be improved to sawtooth by semi-circular cross-section
Tee section, so that more insulation is climbed electric channel and is preferably blocked rubber jar.The radiating of the metal shell of existing spark plug is also
Can further improve.The electrode of existing spark plug, well imagines, has easily coking, an easy ablation, single-point arcing, low temperature difficult point
Shortcoming;If electrode is reformed as movable, when there being improvement.Moreover, original combustion chamber have multiple, but inperfect in every way
's;In addition to crossing advantage, there is weak point;Such as wedge-section combustion chamber, at spark plug, operating mode seems its gaseous mixture undue concentration
Roughly;And for example bathtub shaped combustion chamber, the shape of its prolate, make that the effectiveness comparison of squish is poor, flame travel is also longer,
Burn rate ratio is relatively low, and burning time is long, and rate of explosion is low, and surface to volume ratio F/V is larger, is unfavorable to HC discharge.And for example
Bowl-in-piston chamber hemispherical combustion chamber, fluffy shape combustion chamber, and other types combustion chamber, the such as auxiliary combustion chamber of turbulization, double
Spark plug combustion chamber, the combustion chamber of plane, each has something to recommend him;But the invention that the mankind aspire after perfection is endless, and piston also has
Very big potentiality can be dug.The so-called best geometry of combustion chamber and piston is no doubt important, but will with engine model adaptation and with
Igniter is arranged in pairs or groups, and just has preferably effect.Two-stroke gasoline engine is exerted oneself than four-stroke gasoline engine and is suitable to portable blowing-sucking machine at double,
Hydrocarbon emission Chang Chaobiao but two-stroke gasoline engine is more worse than the fuel economy of four-stroke gasoline engine, in tail gas.Interior
Combustion engine combustion chamber and piston and the collocation with igniter, are hard nut to cracks being related to energy-saving and emission-reduction.To this kind of product
Also can improve further, associate the present inventor and once particularly manufactured as senior engineer SENIOR ENGINEER in Switzerland abroad
Some equipment, being improved special kneading, then be aided with invention to make product attain a yet higher goal.
Content of the invention
In order to make up the shortcoming caused by the existing mechanism of blower, improve low vibration foliage pressure-vacuum machine, be brought into contact with ground
Roller can turn to and be more convenient;Adjustable assist handle is operated more to claim hand;Pressure-vaccum self-contained circuit is safer;Low vibration and low noise
Sound has optimization;Dust bag bracket and tying firmly not landing;Blower dust mouth wind is milder;Blowing impeller, to add cutting edge cleavable
Easily block up thing;Single protruded tube is changed to many protruded tubes or flexible folding pipe to reduce volume further, the present invention provides certain pressure-vaccum
The improvement of machine.
The present invention solves technical scheme that its technical problem taken and method is updated and perfect:
There is provided a kind of improvement of low vibration foliage pressure-vacuum machine, it contains inside and outside blower and disappears in the plus-minus shake of the many places of blower
Sound material and honeycomb structure are moved with vibration damping.The foamed plastics moving in the additional vibration damping of motor, and disappear in the plus-minus shake of the many places of blower
Sound material, and in the air channel many places setting honeycomb structure blowing and inhale,;Inside and outside casing, and inside and outside each telescoping tube, if many places subtract
Shake noise elimination honeycomb structure, and it is in many hexagons of dense interconnection Wedge structure containing noise elimination, its density and its breadth depth ratios, with
The vibration parameters of blower are relevant with noise properties, repeatedly test;Inside and outside casing, and inside and outside each telescoping tube and outside motor,
The shock-absorbing and noise-eliminating material installing additional, or use metallic fiber, or nonmetallic materials, filling or half filling;Or the sound absorber with resistance to middle temperature
Material particularly sound-absorbing porous material, or flexible material, and film material;Described porous material can be fiber-like, foam class,
Grain class, alone good, more or less mixing application is good;Usable fibers class such as rock wool, or glass fiber, or mineral wool is particularly super
Fine glass wool;Or use foam class, by temperature rise eminence, fireproof;Or with particulate species such as expanded perlite, porous clay brick,
And the fabric of heatproof, felt is filling, or attaches;Described honeycomb structure also can prefabricated attach afterwards, or mixing molding.Due to each material
The standing-wave-tube method acoustic absorptivity of acoustic absorptivity of material and reverberation method acoustic absorptivity are different, and incident angle also has shadow to acoustic absorptivity
Ring, have is preferable to high frequency sound absorption, and have is preferable to Low Frequency Sound Absorption, multiple material has the efficiency of complementation, vibration involves makes an uproar
Sound is reflected, conversion, absorbs, decay, therefore is conducive to further improved performance index.The outside at dust mouth position is provided with two cards
Groove, so that card hangs dust bag bracket and dust bag;Original hook muscle only has 2, and support force is poor, causes hook to have pine once in a while
De-;Now being changed to hook muscle has 3, and support force is higher, and hook can be made to be difficult to get loose;Dust bag is made by fabric, is provided with and marches
Related with two buckle, to make to buckle on the hook at plug-in position hanging on described shell;And marching is for pulling open bag
Pour out broken leaf;A kind of improved method that dust bag bracket prick sack is now discussed in detail:Get out commercially available having down first
The nylon cable tie of fastener, is placed in the fabric of dust bag, bag make suture with sewing machine again, then open and march,
The described big bagging circle of dust bag bracket and little put into by the band that the suture of the fabric of the dust bag preparing encases side
Bagging circle (between, from the big opening part marched it is easy to put in pliers, tension has the nylon cable tie of barb button, and cuts off too long of
Band;The annex of original blower product only has braces (43), hangs on shell and the back of the body is on operator's shoulder;Advise improved low
Foliage pressure-vacuum is confidential adds mouth mask, gloves and safety goggles and insurance in its annex for vibration, with improving product class and convenient
User;The improvement of low vibration foliage pressure-vacuum machine,, containing blowing the improvement that impeller adds cutting edge, the described impeller that blows is equipped with cutting edge, contains for it
Top cutting edge and side week cutting edge, described top cutting edge to blow impeller blade top surface with the angle blowing impeller blade front be sharp
Angle;And described side week cutting edge to blow impeller blade lateral circle surface with the angle blowing impeller blade front be also acute angle;Described blows
Cutting edge that impeller adds or shorter along the edge local of face of blade, or along the big portion head in edge;Its cutting edge or arc
Sword, or roll over sword more, and its arcuate blade is archimedes line, or parabola;Also separately it is equipped with shear-steel knife in the described impeller that blows,
Use strip-shaped cutter;As improvement, blow on impeller blade in described, if containing multiple oval and hexagonal noise reduction hole;
As improvement, the roller on contact ground is changed to turn to, becomes easy and turn to blower, be another flower of blower
Chromaticity kind, is to like and during custom blower to meet some operation pedestrians, particularly run into corner local when, left Gu
The right side is expected and is turned over angle and carrys out pressure-vaccum to facilitate the requirement of work.The axle stand of original telescoping tube lower head is split, makes
Become an independent part axle stand, the place laying axle stand in original telescoping tube lower head sets a hole, with
The vertical shaft of the ring draw-in groove on the described axle stand of insertion;Wear wheel shaft in axle stand (31a), then set up one wheel pairs, respectively load onto
Shaft block ring;Singly stretched out cylinder and be changed to many protruded tubes, and set the elastic collision bead autonavigator of autonavigator, or collision block from
Dynamic locator, or the autonavigator of torsion spring, and not employment is gone by button with hand again, to reduce volume, random pulling-down both puts in place
It is automatically positioned, improve work efficiency;The described many protruded tubes matching with autonavigator are more pieces, and many protruded tubes are all provided with fluted
It is adapted to locator;Associate the principle of the telescopic antenna that can freely draw in pull-out, it is improved and uses blower and make stretch more
Outlet pipe, might as well be referred to as many protruded tubes little suction pipe;Described many protruded tubes are one end in-flanges, and other end flanging;Its
In single file one section connect a section, be more piece, minimum 4 section, pull-out or return freely, because all there being convex-concave screens at its flange.Because blowing
The pipe range of suction machine presses standard such as IEC60335-2-100, or presses standard such as BSEN15503:2009, all only 0.9 meter, therefore pull bar
Length can be implemented;Or associate the principle of the accordion that can freely draw in pull-out, and conventional dust catcher and laundry
The flexible pipe folded of machine, improves it and uses blower and make many protruded tubes, pipe might as well be referred to as flexible folding pipe;For convenience of fixed
Position, or be used in combination with many protruded tubes;Described flexible folding pipe its have multiple foldings, no matter its section side of being or circle or
Other shapes, adjacent ring week of its pipe be a great circle one little enclose the land spaced i.e. in single file a slubbing connect a details,
Its section is more piece, minimum 4 sections or more;Or, the tubing flexible material such as fabric of described flexible folding pipe, cloth, plastic film,
It is interval with multiple rings along flexible pipe simultaneously, or along in or beyond flexible pipe, be set with helical spring as interval ring, so that
Support and draw in pull-out;This helical spring is sparse and flexible;The important offer of another item is to be to improve to manufacture and assembling essence
The method containing laser of accuracy, is to improve engine to have with blowing impeller axiality and surveying dynamically balanced existing precision modulding part again
The improved method that laser sights frock;Because the vibration of blower and the very big root of noise are in the precision of power and instrument and morpheme
Tolerance, so engine to be improved and blow impeller axiality, and dynamic balancing to be surveyed, in the hope of to the low vibration low noise of blower this
The hard nut to crack that item is left for a long time has certain curative effect;First, the requirement to form and position tolerance is improve from layout design, for example
To main shaft and the requirement blowing impeller assembly axiality and form and position tolerance, also increase main shaft and blow the impeller magnitude of interference, then with reinforcing
Frock clamp presses;Moreover, prepare precision die with numerical control CNC machining center, and impeller such as blown to plastic post-processing, its
Main method is to use high-temperature vapour method, and 120 degree are steamed enough more than three hours, are unlikely to deform in the hope of plastic part size and lose shape;Secondly, for carrying
High main shaft and blow impeller axiality, during assembling, is sighted with the laser that has that blows impeller assembly axiality using special calibration motor
Frock press, after pressing, and survey dynamic balancing correction through bulk sampling and just can go up producing line, finally whole machine survey of also will sampling is dynamic flat
Weighing apparatus, in the hope of being aided with many places shock-absorbing and noise-eliminating material, and comprehensively forming one kind has improved low vibration foliage pressure-vacuum machine.Beneficial effect is
Vibration damping, safety, handy, improve product specification with multinomial improvement Lai comprehensive.
Has the blower of improved safety key and built-in motor, built-in motor check valve-type uniflow scavenged two
On the basis of Stroke Engine is the collocation of the internal combustion engine ignition device of the combustion chamber having function wave in improvement, change further
The tool periodic function gibbs overshoot entered restrains the two stroke engine of ripple Fourier piece wall and adds catalyst filter in scavenging passage
Net valve control pre-burning scavenging and with the right crooked wheel axle box of polyisocyanate hole partition wall with the two stroke engine of scavenging, belong to internal combustion engine neck
Domain.
In order to pursue the perfection of igniter, the present invention proposes for example multiple fixed electrode of improvement of multiple spark plugs, plus
Interior induction reactance, changes outer indexing coupling, plus shell radiating fin, and particularly sets activity and fine motion electrode, improves operating mode, energy-conservation with profit
Reduce discharging.Also for the endless Science Explorations aspiring after perfection, the so-called best geometry that the present invention proposes combustion chamber is solid
So important, but will arrange in pairs or groups with engine model adaptation and with igniter, just there is the theory of preferably effect, propose various internal combustions
Machine combustion chamber and the suggestion of the method for collocation of various igniters, also provide function wave combustion chamber and carry Parabolic convex-concave
The function wave combustion chamber of adaptation, is beneficial to energy-saving and emission-reduction;Again in piston skirt plus double auxiliary skirt rims, and in piston skirt plus double auxiliary skirt
On the basis of side reduces the engine of hydrocarbon emission and disorderly in improved piston skirt logarithmic differentiation isogonal line shirt rim
On the basis of flowing back to the engine altering fall row and the two stroke engine of double auxiliary blow vent reduction discharge narrowing left and right block, repeatedly
The improved tool two stroke engine of layered scavenging cylinder body of family of parabolas equipotentiality streamline and the right crooked wheel axle with polyisocyanate hole partition wall
Casing, with the two stroke engine of turbulent scavenging, is the design greatly lowering manufacture difficulty;There is reduction of discharging effect up to standard.
Just multiple progressively improvement and perfect scheme of the invention are explained in detail with reference to multiple diagrams below:
The present invention relates to the improvement of the combustion chamber in a kind of combustion apparatus and igniter, especially internal combustion engine has function
The combustion chamber of ripple and the matching method with the internal combustion engine ignition device having active receiving electrode and fine motion discharge electrode;Described has letter
The feature of the combustion chamber of number ripple is that its function wave is ad hoc and preferred by each type;The piston area of composition combustion chamber is letter
Number waveform.
The present invention solves the equation of the technical scheme that its technical problem is taken and modeling method is:
Using PRO/ENGINEER WILDFIRE mapping software, newly set working directory, newly-built part, grass paints 2 with one heart
Circle.
Open variable cross section scanning (Var Sect Sweep) instruction, choosing above 2 circles is scanning track and reference locus.
Draw the straight line of parallel 2 disks, length L=(D-d)/2, and corresponding round edge is along projection line.
Set up parameter (PARAMETER) 1:C real number (real number), can be with assigning between 0.01-1 according to concrete operating mode
Value, such as 0.3;C is also referred to as wave height.
Set up parameter (PARAMETER) 2:N integer (integer), can with according to concrete operating mode between 2-100 choosing value, example
As 13;N is also referred to as wave number.
Opening relationships (RELATION), that is, the sine wave equation of the present invention be:
SDi=C*SIN (TRAJPAR*360*N)
In above formula, i is dimension figure sequence number;SIN=SINE, SIN function;TRAJPAR, lopcus function.
Followed by using rotation, merging, hypostazation etc. instructs, and assembles with piston piece and merge, that is, be modeled as function
The piston on corrugated;Again on piston area with spark plug and and inlet valve, the corresponding position of exhaust valve, make convex concave;Will
Piston loads cylinder body, cylinder cap, is formed for the combustion chamber of function wave.
Input CNC machining center with described equation again, with the punching block of CIMATRO or MASTCAM pack alloy,
Or use milling machine, planer and spark machined;When using spark machined, input CNC machining center with described equation, then will be first
Make tungsten copper electrode;Again with there being the die casting machine batch production of cold pressing chamber or hot pressing room;Machine again.Piston multipurpose material is that aluminium closes
Golden ZL109, or AC8A.As racing car or military vehicle under the conditions of high-end, piston is led near the material of combustor surface or with height
Hot material such as silver alloy;Or with exotic material such as silver-colored tungsten-copper alloy, or even with special highly heat-conductive material such as rhinestone.
There are active receiving electrode and the internal combustion engine ignition device of fine motion discharge electrode, for easily lighting a fire from fine motion, carbon deposition removal,
Burn-out proof and changeable electrodes core;And attach gasoline motor spark plug interior induction reactance and outer indexing high pressure hookup, for anti-height
The spark plug that frequency disturbs and anti-grafting gets loose, by indexing outside the tool with indexing and zigzag umbrella rib and fixing hole and internal thread
High-voltage coupler (1), pad (2), the insulator (3) of the multiple tracks umbrella rib with saw-tooth shaped cross section, threaded one end (4) and band spiral shell
The other end (4b) of line and the interior induction reactance of inductance coil (15), the shell with radiating fin (5), S-shaped retaining washer (6), containing resistance
Glass-sealing agent (7), embedded steel core (8), electric discharge pole bar (9), by electrode tie rod (10), discharge cartridge (11), by electrode tip
(121), formed;The head by discharge electrode of described electric discharge pole bar (9) is provided with screw thread or screw thread shape groove, is assembled from micro- with profit
Dynamic and changeable electrodes core discharges cartridge (11);The surrounding place side face of described electric discharge cartridge (11) is provided with side flabellum, and discharge cartridge
(11) upper end is provided with wedge, and the lower end of electric discharge cartridge (11) is provided with screw thread or screw thread shape groove.Described side flabellum is that have straight wind
Flabellum or spiral wind flabellum, at least a piece of, or multi-disc, particularly 8;Described by electrode tie rod (10) with by electrode tip outside
Shell is connected with the shell with radiating fin, and described is at least a piece of by electrode tie rod (10), or 2, or multi-disc;Described by electricity
Cartridge shell electric discharge cartridge (11) constitutes discharging gap with the top of the inside by electrode tip and the basin shape of ring sidepiece, and at top
The screw thread shape groove having multiple wedge angles cutting out and digging multiple ring weeks in ring sidepiece.The wedge (11b) of described electric discharge cartridge is
Thereon end be provided with the polygonal pyramid digging out, be beneficial to igniting ion stream edgetone effect, make spark plug containing top surface and ring side
More than in originally big basin shape gap, especially locally increased the gap of polygonal pyramid, make position part that fiery karyomorphism becomes from
Open wall, have buffer cells, can avoid being stuck in the impact of near wall residual gas, meanwhile, the wedge of gaseous mixture
Collision and turbulence effect, add electric discharge cartridge (11) and the fine motion by electrode tip (121) and effect of trembling, make the mixing in gap
The absolute quantity of gas increases, and the probability catching fire also increases, in addition, wedge collision and turbulent flow are also beneficial to repel carbon deposit molecular flow,
Part in wedge and in basin shape gap has the mixture of liquid liquefaction tendency, not only has the opportunity of arc discharge, and has electricity
The cydariform electric discharge of spark processing electric discharge, thus its comprehensive effect makes spark discharge Quality advance, performance of operating condition is more preferably.Described band
Indexing is had to be to open multiple-grooved by all indexing on the electric conductor of described coupling (1);The number of multiple-grooved is by angle value;For example,
The number of degrees of certain spark plug are 6, then fluting number is 6;The number of degrees of certain spark plug are 7, then fluting number is 7.Although, general spark plug
The number of degrees of calorific value, are divided into 5-13 by the difference of engine by the internal structure of spark plug, the more big nearlyer cold mould of numerical value,
The engine being suitable for high rotating speed high compression ratio uses;Numerical value more little more near-thermal type, the engine of suitable low compression ratio uses;But it is difficult
Judge from the appearance of spark plug, or easily obscure.On the electric conductor of the coupling of spark plug, the beneficial effect of fluting has two, and one is
The selection of the number of degrees of the calorific value of spark plug is made above to be difficult to obscure, two is the coupling of the latch capitiform making original Dan Yuan due to fluting
And become claw type and make latch better.The electric conductor of the described fluting of coupling (1) is to be inserted with rubber or plastics are exhausted
The spark cap of edge shell being connected with high pressure external connection and in the electrically conductive socket in cap.Used time also can correct advance angle and regulation and control
High-voltage pulse parameter is in the hope of more preferably, making the positive and negative commutation of high electric field pulse and changing direction.Although spark-ignition process is extremely complex,
The mankind still have many aspects not clear so far, but it is understood that the positive and negative of electricity has difference to discharge electrode with by the loss of electrode
Impact, is a kind of method for reducing export license, is the positive and negative commutation making voltage x current, this uses electromagnetism class and electrical type circuit
It is not difficult to realize.
The present invention relates to the improvement of the combustion chamber in a kind of combustion apparatus and igniter, especially internal combustion engine has function
The combustion chamber of ripple and the matching method with the internal combustion engine ignition device having active receiving electrode and fine motion discharge electrode;Combustion chamber is proposed
Geometry will just have the theory of preferably effect with engine model adaptation and with igniter collocation, proposes combustion in IC engine
Room and the suggestion of the method for collocation of each igniter, also provide function wave combustion chamber and the letter with Parabolic convex-concave adaptation
Number ripple combustion chamber, is beneficial to energy-saving and emission-reduction;The feature of the described combustion chamber having function wave is:Composition combustion chamber piston area be
Function waveform, such as sine wave equation is:
SDi=C*SIN (TRAJPAR*360*N), in above formula, i is dimension figure sequence number;SINSINE, SIN function;
TRAJPAR is lopcus function;
The function waveform of the piston area of described combustion chamber is (32);And the function wave of the piston area in described combustion chamber
The middle part of shape (32) is provided with waveform pit (33), it is characterized in that the envelope of described pit is the involute of curve, or parabolic
Line;The piston of described combustion chamber is (31).The function waveform (32) of the piston area of described combustion chamber or other functions, example
As involute, parabola, and the round inner vortex using post coordinate system.
As progress, on the function waveform (32) of the piston area of the piston (31) of described combustion chamber, it is provided with waveform recessed
Hole (33), is additionally provided with exhaust projection, and is provided with air inlet pit (35), and be provided with spark pit (36), it is characterized in that:Described
The raised envelope of exhaust is curve, particularly involute, or parabola, and its projection is in the position near exhaust valve, or
Say that the exhaust valve projection raised with exhaust has overlapping of part or local, projection is to throw in the face vertical with piston movement direction
On;The envelope of described air inlet pit (35) is curve, particularly involute, or parabola, and its pit is near air inlet
The position of door, inlet valve and the projection of air inlet pit (35) in other words has overlapping of part or local, projection be throwing with piston
On the vertical face of the direction of motion;The envelope of described spark pit (36) is curve, particularly involute, or parabola, and
In the position near spark plug, spark plug and the projection of spark pit (36) in other words has partly or the overlapping of local its pit,
Projection is to throw on the face vertical with piston movement direction.
The ignition point of spark plug is located at the theory of the focal point of combustion chamber and principle can be generalized to various engines and instrument
Equipment.
One end of the valve spring of the uniflow scavenged two stroke engine of check valve-type is provided with and polishes end turning over beneficial to valve screens
Side coordinates;The other end of valve spring is the high speed Free Slosh that free end is beneficial to valve element;The front portion of valve front stall is provided with bent containing function
The circular arc chamfering of line is easy to match with the function curve ring week sealing ring of valve element;The keyhole of valve screens disk is easy to first from axle
To put again from radial direction load valve element valve screens groove;The side wall of valve abnormity passage is equiangular spiral shape, in the loudspeaker having concentric reducer
Shape, equiangular spiral mathematically also cry logatithmic spiral its there is known pressure angle characteristic equal everywhere, be easy to agree runner without prior consultation
Lower slightly going up slowly requires faster.The inwall of the combustion chamber of engine adopt parabola shaped, the ignition point of spark plug is located at combustion chamber
Focal point, so that the ignition point of parabolical focal point and spark plug is overlapped consistent, be conducive to strengthening light and involve electric discharge and hot
The ignition work done effect that the synthesis of all key elements of energy is gathered.Combustion-chamber geometry will be adapted to engine model
And just have a preferably effect with igniter collocation, the inwall of combustion chamber using parabola shaped, parabolical focal point and spark
The ignition point of plug overlaps unanimously, and the ignition point of spark plug is focus point, and that effect is beyond imagination.
Beneficial effects of the present invention and purpose are energy-saving and emission-reduction, are conducive to removing carbon deposit and reduce loss, and function ripple fires
Burn room collocation and improve efficiency, improvement combustion chamber operating mode, and it is available for various types selections.But the invention that the mankind aspire after perfection is forever
Endless, piston also has very big potentiality can dig.The so-called best geometry of combustion chamber and piston is no doubt important, but will and send out
Motivation type is adapted to and is arranged in pairs or groups with igniter, just has preferably effect.Particularly two-stroke gasoline engine compares four-stroke gasoline engine
Fuel economy worse, hydrocarbon emission Chang Chaobiao in tail gas;Combustion chambers of internal combustion engines and piston and and igniter
Collocation, be a hard nut to crack being related to energy-saving and emission-reduction.Again in piston skirt plus double auxiliary skirt rims, finally unexpectedly there is reduction of discharging up to standard
Effect.A kind of piston skirt logarithmic differentiation isogonal line shirt rim turbulent flow returns the petrol engine altering fall row, containing piston and known
Combustion chamber, spark plug, cylinder cap, cylinder barrel, connecting rod, crankcase, lubricating oil pump, lubricating system, fuel system, ignition system, cooling
System, is characterized in that:The skirt section of described piston (31) is equipped with double auxiliary skirt rims (37);Described double auxiliary skirt rims (37) are to protect
On the basis of staying former two shirt rims of the bilateral not having connecting rod pin-and-hole of original piston, and there is connecting rod pin-and-hole in the skirt section of piston (31)
Bilateral following, often add one auxiliary shirt rim, can be described as double auxiliary skirt rims (37);Described double auxiliary skirt rims, it contains bottom
The through hole of (42), piston and double auxiliary skirt rims in (38), lower fillet (39), side (40), upper fillet (41), the concave arc on base
(43), isogonal a section of piston skirt logarithmic differentiation equation is located at shirt rim, and it is conducive to auxiliary guiding, and additional turbulence is returned
Alter and drop row, and lubrication assistant and radiating;Described double auxiliary skirt rims or use aluminium alloy, or joined between cylinder to reduce with composite
Gap.
The gasoline that the improved described piston skirt logarithmic differentiation isogonal line shirt rim turbulent flow time of further experiment alters fall row is sent out
Motivation, is characterized in that:Each auxiliary shirt rim of described double auxiliary skirt rims (37) is all along outside piston with described former two shirt rims
The cylindrical prolongation of circumference, and its projection throwing is along the outside piston week quartering on the face vertical with piston movement direction
's.
A kind of improved described vapour reducing hydrocarbon emission in piston skirt plus double auxiliary skirt rims of further experiment
Oil turbine, is characterized in that:Each auxiliary shirt rim of described double auxiliary skirt rims (37) is than described former two shirt rims along outside piston
The cylinder body extension of circumference longer that is to say, that double auxiliary skirt rims base (38) than former two shirt rims base along piston
Farther apart from connecting rod pin-and-hole on the direction of cylinder extended line, that is, double auxiliary skirt rims are higher, and piston and skirt section are longer, and its effect is that have
Assist guiding beneficial to the guiding length of lengthened piston.
A kind of improved described vapour reducing hydrocarbon emission in piston skirt plus double auxiliary skirt rims of further experiment
Oil turbine, is characterized in that:The both sides of described double auxiliary skirt rims (37) are provided with the side (40) of double auxiliary skirt rims, and it connects piston
(31) and double auxiliary skirt rims base (38).
A kind of improved described vapour reducing hydrocarbon emission in piston skirt plus double auxiliary skirt rims of further experiment
Oil turbine, is characterized in that:The both sides of described double auxiliary skirt rims (37), are provided with the base connecting piston (31) and double auxiliary skirt rims
(38) side (40) of double auxiliary skirt rims, the angle of the side (40) of its both sides is more than 100 degree.
A kind of improved described vapour reducing hydrocarbon emission in piston skirt plus double auxiliary skirt rims of further experiment
Oil turbine, is characterized in that:The both sides of described double auxiliary skirt rims (37) are provided with the side (40) of double auxiliary skirt rims, and it is by double auxiliary
The upper fillet (41) of the side of shirt rim is connecting piston (31).
A kind of improved described vapour reducing hydrocarbon emission in piston skirt plus double auxiliary skirt rims of further experiment
Oil turbine, is characterized in that:The both sides of described double auxiliary skirt rims (37) are provided with the side (40) of double auxiliary skirt rims, and it is by double auxiliary
The lower fillet (39) of the side of shirt rim is connecting the base (38) of double auxiliary skirt rims.
A kind of improved described vapour reducing hydrocarbon emission in piston skirt plus double auxiliary skirt rims of further experiment
Oil turbine, is characterized in that:Concave arc side (42) is set on the described base of double auxiliary skirt rims (37);Described concave arc side (42) or
Circular arc, or involute, or parabola, or other functions, with profit auxiliary fall row.
A kind of improved described vapour reducing hydrocarbon emission in piston skirt plus double auxiliary skirt rims of further experiment
Oil turbine, is characterized in that:Through hole (43) is set in described double auxiliary skirt rims (37), or pit, with sharp lubrication assistant and radiating.
A kind of improved described vapour reducing hydrocarbon emission in piston skirt plus double auxiliary skirt rims of further experiment
Oil turbine, is characterized in that:Described double auxiliary skirt rims (37) are upper and piston is provided with multiple through holes (43), and it is in slightly del
Arrangement, has multiple rows of, the most descending through hole is few, more more toward up through hole, with sharp lubrication assistant and radiating.
To reduce the petrol engine of hydrocarbon emission in piston skirt plus double auxiliary skirt rims, unexpectedly to have unexpected
Effect.A kind of petrol engine to reduce hydrocarbon emission in piston skirt plus double auxiliary skirt rims, is to touch through practice for many years
Rope goes out, and is also the crystallization of domestic and foreign experience, its usefulness be advantageous for the guiding length of lengthened piston and assist guiding with
It is allowed to, it two is that favourable booster action reduces hydrocarbon emission in gaseous mixture, it three is favourable lubrication assistant and dissipates
Heat.
Silkworm in spring to dead silk not to the utmost, is improved invention and has no limits;Wear out iron shoes and on a rare occasion obtain, clino-diagonal is warded off in energy-saving and emission-reduction.The present invention relates to
And the combustion chamber in a kind of combustion apparatus and igniter, especially internal combustion engine improvement have function wave combustion chamber and with
On the basis of having active receiving electrode and the collocation of internal combustion engine ignition device of fine motion discharge electrode, and in piston skirt plus double auxiliary skirt
On the basis of side reduces the petrol engine of hydrocarbon emission, further improved band scavenging road junction wedge turbulent flow returns alters piece
Reduce the two-cycle gasoline engine of discharge, belong to the combustion chamber of internal combustion engine and the technical field of turbulent scavenging.The present invention has
Beneficial effect and purpose are energy-saving and emission-reduction, are conducive to removing carbon deposit and reduce loss;Arrange in pairs or groups and improve efficiency in and function ripple combustion chamber,
Improvement combustion chamber operating mode, in piston skirt plus double auxiliary skirt rims, has and reduces discharging effect up to standard, and is available for various types selections.But people
The invention that class aspires after perfection is endless, and piston and scavenging also have very big potentiality can dig.Combustion chamber and piston so-called
Good geometry shape is no doubt important, but will arrange in pairs or groups with engine model adaptation and with igniter, just has preferably effect.Particularly
Two-stroke gasoline engine is more worse than the fuel economy of four-stroke gasoline engine, the hydrocarbon emission Chang Chaobiao in tail gas;Internal combustion
Machine combustion chamber and piston and the collocation with igniter and scavenging, are hard nut to cracks being related to energy-saving and emission-reduction.If
Say, to reduce the petrol engine of hydrocarbon emission in piston skirt plus double auxiliary skirt rims, have an unexpected effect it is simply that
Say 60 grams drop to 49 grams and 50 grams of target embodiments can be reached of discharge;So, band scavenging road junction wedge turbulent flow returns and alters piece fall
The two-cycle gasoline engine of low emission, even more has unexpected reduction of discharging effect up to standard, not only can reach 50 grams of marks, and can drop
To 39.9 grams, this is up to standard to the reduction of discharging of high-volume two-cycle gasoline engine to be outstanding contributions.Everybody knows that two-stroke machine discharges
Chang Chaobiao, but nobody can thoroughly solve;This scavenging road junction wedge turbulent flow returns alters piece, is to add at the scavenging road junction of two-stroke cylinder
Small pieces, seem simple, and but nobody can find out;It is that whose small pieces of also failing to give attention to will to go to burn-on at the scavenging road junction of cylinder is loaded on
Go to start the engine and contact with high speed piston.Its usefulness is that have unexpected reduction of discharging effect up to standard.Although spark ignition
Process and the detailed physical and chemical processes of two-stroke are extremely complex, and the mankind still have many aspects not clear so far, but we perhaps may be used
To be initially believed that, wedge turbulent flow in this scavenging road junction returns alters piece, produces turbulent flow at scavenging road junction with wedge, to useless after burning
Gas returns and channels to the possibility of gas handling system and have retardation, and it seemingly belongs to turbulent flow ventilation, for known to two-stroke internal combustion engine
For cross flow scavenging, loop scavenging and three kinds of ventilation scheme of uniflow scavenging, open one can reduce discharging at scavenging road junction with tiltedly
Wedge turbulent flow returns the approach altering piece, the clino-diagonal of referred to as turbulent scavenging.Although the mechanism of its atom level needs following exploration, its
The application at two-stroke gasoline engine scavenging road junction has determined that.
A kind of with scavenging road junction wedge turbulent flow return alter piece reduce discharge two-cycle gasoline engine, comprise cylinder body and
Known combustion chamber, spark plug, cylinder cap, piston, connecting rod, crankcase, lubricating oil pump, lubricating system, fuel system, ignition system,
Cooling system, gas handling system, described cylinder body (44) is the cylinder chamber Shang Yan center pair in dress piston of two-cycle gasoline engine
Claim the cylinder body (44) at the scavenging road junction (45) containing left and right each for the ground, it is characterized in that:A symmetrical left side in described cylinder body (44)
On right each one scavenging road junction (45), respectively symmetrically each ground in left and right is provided with wedge turbulent flow time and alters piece (46), improves further, profit
Have the equal feature of pressure angle with the logatithmic spiral of higher mathematics, make the piece added have one section of logatithmic spiral, then gush at it
On mixed air-flow just easily steady, turbulent flow is produced using equal pressure angle at scavenging road junction with profit block waste gas and return and alter to reduce
Discharge.
Take scavenging road junction logarithmic differentiation equation turbulent flow to return and alter the two of the piece fall row main body rushing petrolic described piece
One section, set up differential equation d ρ/d θ=k ρ:
If polar equation ρ=ρ (θ), because wanting pressure angle λ equal everywhere, therefore tg λ=constant, make tg λ=k,
By pressure angle formula tg λ=ρ '/ρ,
Just there is ρ '/ρ=k,
Differential it, just have differential equation d ρ/d θ=k ρ.
Solve d ρ/d θ=k ρ, both sides integration after variables separation:
∫ d ρ/ρ=∫ kd θ, because of ρ > 0, is easy to get:
Ln ρ=k θ+C,
Namely:
ρ=Aekθ+c=ec.ekθ=Aekθ
Using PRO/ENGINEER WILDFIRE mapping software, newly set working directory, newly-built part,
Set up parameter (PARAMETER) 1:C real number (real number), can be with assigning between 0.01-1 according to concrete operating mode
Value, such as 0.3;C is also referred to as wave height.
Set up parameter (PARAMETER) 2:N integer (integer), can with according to concrete operating mode between 2-100 choosing value, example
As 13;N is also referred to as wave number.
Opening relationships (RELATION), that is, the equation of the present invention be:
Logarithmic curve:
Z=0
X=10*t
Y=log (10*t+0.0001)
Make logarithmic curve;
Followed by using rotation, merging, hypostazation etc. instructs, and assembles with workpiece and merge, you can modeling;
Modeled with described equation and PRO/ENGINEER WILDFIRE again, inputted CNC machining center, used
CIMATRO or MASTCAM, the punching block of pack alloy processed, or use milling machine, planer and electrical spark working work assist;Use electric spark
During processing, input CNC machining center with described equation, then will first make tungsten copper electrode, with there being the lathe of three-dimensional rotation head
More satisfactory, such as more satisfactory with auspicious Mil's machine of upper summer;Again with there being the die casting machine batch production of cold pressing chamber or hot pressing room;Machine again.
Workpiece multipurpose material is aluminium alloy ZL109, or AC8A;Be welded on piston shirt rim with the piece of another system it is also possible to;But polishing trouble is taken
During expenses of labour.
A kind of scavenging road junction logarithmic differentiation equation turbulent flow returns the two-cycle gasoline engine altering piece fall row, containing cylinder body and public affairs
The combustion chamber known, spark plug, cylinder cap, piston, connecting rod, crankcase, lubricating oil pump, lubricating system, fuel system, ignition system, cold
But system, gas handling system, described cylinder body (44) be two rush petrolic dress piston cylinder chamber on along Central Symmetry
The cylinder body (44) at the scavenging road junction (45) containing left and right each for the ground, is characterized in that:Symmetrical left and right in described cylinder body (44)
On each one scavenging road junction (45), respectively symmetrically each ground in left and right is provided with wedge turbulent flow time and alters piece (46), and its main body is pressure angle
Close to one section of the equal logatithmic spiral by logarithmic differentiation equation, turbulent flow is produced at scavenging road junction with profit to block waste gas and return and alter
To reduce discharge.
A kind of scavenging road junction logarithmic differentiation equation turbulent flow as described in logarithmic differentiation correction returns the two-stroke altering piece fall row
Petrol engine, is characterized in that:Described wedge turbulent flow returns alters the bottom at scavenging road junction (45) that piece (46) is located at cylinder body
The side of the outlet of the scavenging air belt pressing close to piston closing on lower dead center of bottom, one section of its tool logatithmic spiral.
A kind of scavenging road junction logarithmic differentiation equation turbulent flow as described in logarithmic differentiation correction returns the two-stroke altering piece fall row
Petrol engine, is characterized in that:Described wedge turbulent flow return alter piece (46) comprise wedge turbulent flow return alter piece scavenging road junction (47),
Wedge turbulent flow return alter piece the wedge (48) at logical scavenging road junction, wedge turbulent flow return alter piece logical scavenging road junction return alter grid (49),
Wedge turbulent flow returns the turbulent shield (50) at the logical scavenging road junction altering piece, all has one section of logatithmic spiral.
A kind of scavenging road junction logarithmic differentiation equation turbulent flow as described in logarithmic differentiation correction returns the two-stroke altering piece fall row
Petrol engine, is characterized in that:Described wedge turbulent flow returns and alters piece (46) is in slightly inclined wedge-shaped, and the big end of described inclined wedge-shaped connects
In the side of the outlet of the scavenging air belt pressing close to piston closing on lower dead center of the bottom of the bottom at the scavenging road junction (45) of cylinder body,
One section of its tool logatithmic spiral.
A kind of scavenging road junction logarithmic differentiation equation turbulent flow as described in logarithmic differentiation correction returns the two-stroke altering piece fall row
Petrol engine, is characterized in that:Described wedge turbulent flow returns alters the wedge turbulent flow that piece (46) comprised and goes back to the scavenging road junction altering piece
(47) it is located at described wedge turbulent flow and go back to the top altering piece (46) that is to say, that returning, in wedge turbulent flow, the inclined wedge-shaped altering piece (46)
One section of its tool logatithmic spiral of small end.
A kind of scavenging road junction logarithmic differentiation equation turbulent flow as described in logarithmic differentiation correction returns the two-stroke altering piece fall row
Petrol engine, is characterized in that:Described wedge turbulent flow returns to alter the described wedge turbulent flow that piece (46) comprised and return alters the logical of piece
The wedge (48) at scavenging road junction is located at wedge turbulent flow and returns inner side and the bottom with the scavenging road junction (45) of cylinder body altering piece (46)
Bottom connection, its tool one section of logatithmic spiral of described inner side.
A kind of scavenging road junction logarithmic differentiation equation turbulent flow as described in logarithmic differentiation correction returns the two-stroke altering piece fall row
Petrol engine, is characterized in that:Described wedge turbulent flow returns to alter the described wedge turbulent flow that piece (46) comprised and return alters the logical of piece
The returning of scavenging road junction is altered grid (49) and is located at wedge turbulent flow and return the one of the outlet of scavenging air belt at scavenging road junction (45) altering piece and cylinder body
The intersection of side, one section of its tool logatithmic spiral.
A kind of scavenging road junction logarithmic differentiation equation turbulent flow as described in logarithmic differentiation correction returns the two-stroke altering piece fall row
Petrol engine, is characterized in that:Described wedge turbulent flow returns to alter the described wedge turbulent flow that piece (46) comprised and return alters the logical of piece
The returning of scavenging road junction is altered grid (49) and is located at wedge turbulent flow and return the one of the outlet of scavenging air belt at scavenging road junction (45) altering piece and cylinder body
At the chamfering of side, one section of its tool logatithmic spiral.
A kind of scavenging road junction logarithmic differentiation equation turbulent flow as described in logarithmic differentiation correction returns the two-stroke altering piece fall row
Petrol engine, is characterized in that:Described wedge turbulent flow returns to alter the described wedge turbulent flow that piece (46) comprised and return alters the logical of piece
The returning of scavenging road junction is altered grid (49) and is located at wedge turbulent flow and return the one of the outlet of scavenging air belt at scavenging road junction (45) altering piece and cylinder body
At the rounding of side, one section of its tool logatithmic spiral.Described wedge turbulent flow returns to alter and is provided with wedge turbulent flow time above piece (46)
Alter the turbulent shield (50) at the logical scavenging road junction of piece, its one end goes back to, with being located at wedge turbulent flow, the scavenging road junction (45) altering piece and cylinder body
Be connected at the chamfering that the side of the outlet of scavenging air belt is intersected, and its other end and wedge turbulent flow return alter the top of piece that is with
The small end that wedge turbulent flow returns the inclined wedge-shaped altering piece (46) is connected;And its tool one section of logatithmic spiral above described turbulent shield.
Have the blower of improved safety key and built-in motor, be contained on blower handle and install safety key and lock additional
Handle, micro- steering airduct and micro- steering base and microswitch, set shock absorption buffering mechanism between handle and pressure-vaccum body, start handle
With the start mode of foot pedal positions, fuel tank transparent to see oil plant, carburetor handicapping air door hooks and throttle is buckled automatically opens up wind
The touch device of door, is used as power using the built-in two stroke engine reducing discharge on blower;Described blows described
The built-in two stroke engine reducing discharge adopting on suction machine, sets check valve, containing left case by the combustion chamber of cylinder body (44)
Body, right case, piston, spark plug, described gray iron, cylinder barrel, connecting rod, crankcase, lubricating oil pump, lubricating system, Fuel System
System, ignition system, cooling system, described cylinder body is symmetrically provided with edge on the cylinder chamber of the dress piston of two stroke engine
The scavenging road junction (45) that left and right has, that is, on the scavenging road junction (45) that the symmetrical left and right of described cylinder body (44) has, respectively
Symmetrically each ground in left and right is provided with wedge turbulent flow time and alters piece (46);The skirt section of described piston is equipped with double auxiliary skirt rims (37);Institute
The double auxiliary skirt rims (37) stated are on the basis of retaining former two shirt rims of the bilateral there be not connecting rod pin-and-hole of original piston, and in piston
(31) bilateral having connecting rod pin-and-hole in skirt section following, often add an auxiliary shirt rim, so referred to as double auxiliary skirt rims
(37);Described double auxiliary skirt rims, it contains base (38), lower fillet (39), side (40), upper fillet (41), the concave arc side on base
(42), the through hole (43) of piston and double auxiliary skirt rims, the logarithm line of its piston skirt logarithmic differentiation equation of described piston is also referred to as
Isogonal one section is located at shirt rim, and the side of the part of its shirt rim is pressure angle close to the equal logatithmic spiral by logarithmic differentiation equation
One section, the logatithmic spiral using higher mathematics has the equal feature of pressure angle, so that wedge turbulent flow is returned and alters blade and have logarithm spiral shell
One section of line, then the mixed air-flow gushed thereon is just easily steady, produces turbulent flow using equal pressure angle with profit and hinder at scavenging road junction
Stagnant waste gas returns alters to reduce discharge;Described double auxiliary skirt rims or use aluminium alloy, or with composite to reduce cylinder prepareding gap;
Use CNC machining center, will first make tungsten copper electrode, assist molding with the lathe having three-dimensional rotation head, more raw with die casting machine batch
Produce;Machine again and electroplate;Described left box body and right case are respectively provided with and change the little double auxiliary blow vent narrowing, and described is double auxiliary logical
Gas port is located at left box body and is known as left double auxiliary blow vent (51b), described double auxiliary blow vent be located at right case be known as right pair auxiliary
Blow vent (52b), described left box body and right case are to assemble Face to face, and are connected with above the scavenging air belt of cylinder body,
Right double auxiliary blow vents (51b) and a described left side that two scavenging air belts of described cylinder body are provided with described right case (51) respectively
Left double auxiliary blow vents (52b) that casing (52) is provided with are connected, and it is the double auxiliary blow vent of the right case narrowing, when described
When double auxiliary skirt rims (37) that the skirt section of double auxiliary blow vents and the piston running to described in piston lower is equipped with are close,
Just it is beneficial to narrow local volumetric, increase local air flow pressure and flow velocity and additional turbulence is returned and altered and drop row;Described narrows left and right
The double auxiliary blow vent of casing each symmetrically left and right upper with the scavenging road junction (45) of described cylinder body (44) symmetrical left and right each
The wedge turbulent flow that each ground is provided with returns alters both adapteds of piece (46);The described double auxiliary blow vent narrowing right case with described
Both adapteds of the double auxiliary skirt rims (37) that the skirt section of piston is equipped with;The described double auxiliary blow vent narrowing right case, and described
The upper each symmetrically wedge turbulent flow that left and right is provided with having in the scavenging road junction (45) that has of symmetrical left and right of cylinder body (44) return
Alter piece (46), and with double auxiliary skirt rims (37) three's adapted that the skirt section of described piston is equipped with, have fall row's effect;Described
The rear wall (51f) narrowing right double auxiliary blow vents (51b) that the right case (51) of the double auxiliary blow vent of right case is provided with is thicker,
Thin place is no less than 0.8mm, and has the oblique angle more than 5 degree;The right case (51) of the described double auxiliary blow vent narrowing right case
It is provided with multiple reinforcement arm pawls (51e), and the square-section of each reinforcement arm pawl is thicker, thinnest part is more than 0.5mm, described narrows a left side
The back side of right double auxiliary blow vents (51b) that the right case (51) of the double auxiliary blow vent of right block is provided with is provided with long reinforcement (51c);
The back side of the pit of right double auxiliary blow vents (51b) that the right case (51) of the described double auxiliary blow vent narrowing right case is provided with sets
There is a short reinforcement (51d), left double auxiliary blow vents that the left box body (52) of the described double auxiliary blow vent narrowing right case is provided with
(52b) it is pit, the little 1.2mm of the auxiliary blow vent (51b) of right pair of its pit length, width and height than described right case (51), to increase strong
Degree, resists the bigger local pressure narrowing caused by double auxiliary blow vents;A left side for the described double auxiliary blow vent narrowing right case
Left double auxiliary blow vents (52b) that casing (52) is provided with are pits, the right side that the length, width and height of its pit and described right case (51) are provided with
Double auxiliary blow vents (51b) differ, and the length and width being less than on 44.5 millimeters of engine in small-sized single cylinder two-stroke cylinder diameter are a height of not
Deng and the many prismatics with taper that have concentric reducer pit;Gas in the dress piston of the cylinder body (44) of two-stroke oxyhydrogen engine
On cylinder chamber, edge is symmetrically provided with the scavenging road junction (45) that left and right has;Have in the symmetrical left and right of described cylinder body (44)
Scavenging road junction (45) on, respectively symmetrically each ground in left and right is provided with scavenging air belt partition wall (53), thus described scavenging road junction (45)
It is divided into two, and then form the improvement being changed into the many scavenging air belts of two stroke engine by two stroke engine list scavenging air belt, in the hope of
Many and waste gas returns and alters less thus reducing discharge beneficial to the retardance of scavenging road junction;Described scavenging air belt partition wall (53) is by the foot of a wall portion (53a), wall
End (53d), front metope (53c), rear metope (53b) are formed, the described front metope (53c) of scavenging air belt partition wall (53) and after
The piston movement direction of the cylinder chamber along the dress piston of described cylinder body (44) for the metope (53b) extends, described scavenging air belt partition wall
(53) the foot of a wall portion (53a) is connected with the inner wall section in cylinder body (44) of described scavenging road junction (45), described scavenging air belt every
The wall end (53d) of wall (53) and piston sliding contact, the scavenging road junction having in the symmetrical left and right of described cylinder body (44)
(45) the foot of a wall portion (53a) of the upper each symmetrically scavenging air belt partition wall (53) that each ground in left and right is provided be located at the positive middle part of scavenging air belt from
And described scavenging road junction (45) is divided into and is divided into two;Or the scavenging road junction having in the symmetrical left and right of described cylinder body (44)
(45) upper each symmetrically each two ground in left and right are provided with the foot of a wall portion (53a) of scavenging air belt partition wall (53) described scavenging road junction (45) decile
For one dividing into three;The upper each symmetrically each ground in left and right in scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44) sets
Some scavenging air belt partition walls (53) from described scavenging road junction (45) on the foot of a wall portion (53a) edge that is connected of inner wall section of cylinder body (44)
Extending radially out of piston;The upper each symmetrically left and right in scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44) is each
The scavenging air belt partition wall (53) that one ground is provided with from described scavenging road junction (45) in the foot of a wall portion of being connected of inner wall section of cylinder body (44)
(53a) angularly stretch out along the radial direction of piston;The scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44)
Upper each scavenging air belt partition wall (53) that symmetrically each ground in left and right is provided with is from the inwall in cylinder body (44) with described scavenging road junction (45)
The angle that the foot of a wall portion (53a) being partly connected has no more than 50 degree along the radial direction with piston is stretched out;In described cylinder body (44)
The upper each scavenging air belt partition wall (53) that symmetrically each ground in left and right is provided with scavenging road junction (45) that symmetrical left and right has from described
Scavenging road junction (45) is angularly pressed along the radial direction with piston in the connected the foot of a wall portion (53a) of the inner wall section of cylinder body (44)
18.5 degree stretches out;The upper each symmetrically each ground in left and right in scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44) sets
The front metope (53c) of some scavenging air belt partition walls (53) and rear metope (53b) along from described scavenging road junction (45) in cylinder body
(44) the foot of a wall portion (53a) that inner wall section is connected mutually angularly stretches out along the radial direction with piston, described front metope (53c)
With 2 degree of angle of rear metope (53b) mutual;The scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44) is upper each right
Claim about ground the front metope (53c) of scavenging air belt partition wall (53) that is provided with of each ground and rear metope (53b) along from described scavenging
Road junction (45) the foot of a wall portion (53a) of being connected of inner wall section of cylinder body (44) along with the extending radially out of piston, described front metope
(53c) and rear metope (53b) be equiangular spiral curved surface;The scavenging road junction having in the symmetrical left and right of described cylinder body (44)
(45) the upper each symmetrically front metope (53c) of the scavenging air belt partition wall (53) that each ground in left and right is provided with and rear metope (53b) along from
With described scavenging road junction (45) the foot of a wall portion (53a) of being connected of inner wall section of cylinder body (44) along with the extending radially out of piston,
Described front metope (53c) and rear metope (53b) are that equiangular spiral is also known as its tool pressure angle of logatithmic spiral characteristic equal everywhere;
The described built-in two stroke engine reducing discharge, the scavenging road junction having in the symmetrical left and right of described cylinder body (44)
(45) top of upper each symmetrically scavenging air belt partition wall (53) that each ground in left and right is provided with is provided with Fourier function breach (53j), and
There is the Ji Bu of known Method of Mathematical Physics in the tie point of described Fourier function breach (53j) and described the foot of a wall portion (53a)
This overshoot approaches rectangle, and the small-sized single cylinder two-stroke of right case and function Fourier piece wall that described tool increases compression ratio is started
Machine its be provided with the scavenging road junction (45) that the symmetrical left and right of described cylinder body (44) has tool periodic function gibbs overshoot receive
Hold back ripple Fourier piece wall (54), described tool periodic function gibbs overshoot convergence ripple Fourier piece wall (54) is from scavenging road junction
(45) a side and the stifled high-wall that stretches out along the circumferencial direction in the piston cylinder of cylinder body (44), it highly exceedes scavenging road junction
(45) half of depth, depth is the axis direction along piston;The described built-in two stroke engine reducing discharge contains single
To the uniflow scavenged two stroke engine of valve type, it increases the pit size of the blow vent of right case of compression ratio not in described tool
With the pit of the right blow vent (51b) of described right case contains left prism (51g), left straight sided (51y) and left broad side surface
(51h);The pit of the left blow vent (52b) of described left box body contains right prism (52g), right straight sided (52y) and right width side
Face (52h);Described right prism (51g) is 49-58 degree to the right with the angle of the composition surface Ji Gang center split surface of right case;
Described right straight sided (51y) is 84-88 degree with the angle of the composition surface Ji Gang center split surface of right case;Described right tiltedly side
Face (51g) is 59-62 degree to the right with the angle of the composition surface Ji Gang center split surface of right case;Described right straight sided (51y)
Angle with the composition surface Ji Gang center split surface of right case is 88-93 degree;Described right broad side surface (51h) is arcwall face, institute
The left broad side surface (52h) stated also is arcwall face, and it is the arcwall face of one section of composition of logatithmic spiral;Right in described cylinder body (44)
Tool periodic function gibbs overshoot convergence ripple Fourier piece wall (54) that the scavenging road junction (45) that the left and right claiming has is provided with
Described high-wall is the stifled height stretching out along the circumferencial direction in the piston cylinder of cylinder body (44) from a side of scavenging road junction (45)
Wall, it is highly the 79%-91% of scavenging road junction (45) depth, is all the axis direction along piston highly with depth;Described
The tool periodic function gibbs overshoot convergence Bo Fuli that the scavenging road junction (45) that the symmetrical left and right of cylinder body (44) has is provided with
The described side from scavenging road junction (45) of blade wall (54) and stretch out along the circumferencial direction in the piston cylinder of cylinder body (44)
The top of one stifled high-wall is provided with transition flex point (54j), and it has at least one shape and it is approximately Ji Bu of turning round close to 90 degree
What this overshoot convergence ripple i.e. imitative fourier series ground gibbs overshoot phenomenon was drawn gradually approaches rectangle transition ripple;In described cylinder body
(44) the tool periodic function gibbs overshoot convergence ripple Fourier piece that the scavenging road junction (45) that symmetrical left and right has is provided with
A described side from scavenging road junction (45) of wall (54) and along the circumferencial direction in the piston cylinder of cylinder body (44) stretch out one block up
The bottom of high-wall is provided with multiple fluctuating convex-concaves (54k);The scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44)
A described side from scavenging road junction (45) of tool periodic function gibbs overshoot convergence ripple Fourier piece wall (54) being provided with
And the bottom of the stifled high-wall stretching out along the circumferencial direction in the piston cylinder of cylinder body (44) is provided with multiple fluctuating convex-concaves (54k);?
The tool periodic function gibbs overshoot convergence ripple that the scavenging road junction (45) that the symmetrical left and right of described cylinder body (44) has is provided with
A described side from scavenging road junction (45) of Fourier piece wall (54) and stretch along the circumferencial direction in the piston cylinder of cylinder body (44)
The bottom of the stifled high-wall going out is provided with multiple fluctuating convex-concaves (54k), and it is the frequency spectrum gradually decayed that imitative fourier series are drawn
Multiple become close spike from diminishing greatly from thin;Or the scavenging road junction (45) that the described symmetrical left and right in cylinder body (44) has
Fourier function breach (53j) that the top of upper each symmetrically scavenging air belt partition wall (53) that each ground in left and right is provided with is provided with is to contain to be
Fourier that imitative fourier series are drawn sine odd function and the blow vent of the wave for only single circular frequency;Described in cylinder
The upper each scavenging air belt partition wall (53) that symmetrically each ground in left and right is provided with scavenging road junction (45) that the symmetrical left and right of body (44) has
Fourier function breach (53j) that is provided with of top be Curved blow vent;The described built-in two-stroke reducing discharge
The described piston (31) of engine is provided with around each one gas storage pit (31a), described gas storage pit its slightly resemble a pear in shape, have big
Microcephaly, less at piston pin axle bed, it is away from larger at piston pin axle bed, the crosscutting hatching of described gas storage pit
(31b) it is curve, the thickness of the section of crosscutting hatching (31b) of described gas storage pit is more than 1.2mm, described gas storage pit
The curve of crosscutting hatching (31b) is the equipotentiality streamline of family of parabolas, and one section of its streamline is to imitate the stream of Method of Mathematical Physics
The higher order functionality of the family of parabolas of the analytical function of the harmonic function meeting Laplace's equation of flow function;Described is built-in
Two stroke engine is under scavenging passage plus the two cycle engine of crank valve control pre-burning gas scavenging, and cylinder body (44) contains blow vent
(44a), enter gas port (44b), left and right each pair claim enter air scoop (44c), each pair first scavenging port of claiming of left and right
(44d), each pair second scavenging port (44f) of claiming of left and right, each pair first scavenging port (44d) of claiming of described left and right and a described left side
Each pair second scavenging port (44f) of claiming right is located at scavenging road junction, described the first scavenging port (44d) and the second described scavenging
The interval of mouthful (44f) and top are provided with along piston movement direction and two scavenging air belts are leaned on piston cylinder is the envelope high-wall (44e) closed,
The inner side of described envelope high-wall (44e) is circular arc by piston cylinder, and piston cylinder is not depend on by sweeping in the outside of described envelope high-wall (44e)
The side of air flue is shaped form, and technique butt strip (55) coexistence with the outer portion at the scavenging road junction of cylinder body, and described technique is taken
Piece (55) contains interval stupefied (55g), interval breach (55e), the first scavenging side wall (55d), the second scavenging side wall (55d), three peaces
Dress hole position and special-shaped packing, and it is formed with the scavenging road junction of cavity, thus becoming the gas blanket making precombustion in scavenging passage
The two stroke engine of shape scavenging;The stupefied upper top at the interval stupefied (55g) of described technique butt strip (55) is curve so that and described
The outside of envelope high-wall (44e) does not depend on piston cylinder to lean on the shaped form of the side of scavenging air belt to coexist and scavenging air belt is divided into two;
The stupefied upper top at the interval stupefied (55g) of described technique butt strip (55) is the quadratic function curve of family of parabolas so that and described envelope height
The quadratic function curve shape coexistence of the equipotentiality streamline of the family of parabolas of side of scavenging air belt is leaned in the outside of wall (44e);Described work
The outside of the interval breach (55e) of skill butt strip (55) and described envelope high-wall (44e) is by the side of scavenging air belt in the first scavenging port
(44d) shaped form between and the second scavenging port (44f) coexists and scavenging air belt is divided into two;The of described technique butt strip (55)
The bottom of first scavenging port (44d) of one scavenging side wall (55d) and described cylinder body coexists and forms the first scavenging road junction;Described
The bottom coexistence of the second scavenging side wall (55d) of technique butt strip (55) and second scavenging port (44f) of described cylinder body and form the
Two scavenging road junctions;The upper top of the first scavenging side wall (55d) of described technique butt strip (55) is that the quadratic function of family of parabolas is bent
Line so that and described envelope high-wall (44e) outside lean on scavenging air belt the equipotentiality streamline of the family of parabolas of side quadratic function curve
Shape coexists and forms the first scavenging road junction;The upper top of the second scavenging side wall (55d) of described technique butt strip (55) is parabola
The quadratic function curve of race so that and described envelope high-wall (44e) outside lean on scavenging air belt the family of parabolas of side equipotentiality streamline
Quadratic function curve shape coexistence and form the second scavenging road junction;Described cylinder body (44) is provided with multiple between its multiple fin
Strengthen radiating in flakes (44x, 44v);Described cylinder body (44) is provided with insertion louvre (44j) in the cross-sectional direction of exhaust outlet;
And the cross-sectional direction in the air inlet of described cylinder body (44) is also provided with straight-through louvre (44k);Described check valve-type direct current
The two stroke engine of scavenging, sets check valve by the combustion chamber of cylinder body (44), its near piston top dead center, in cylinder
Before the ignition of mixed gas of compressed piston upper, the preparation air entry in latch-release cylinder is made to beat due to moving in piston train of dress portion
Open, suck the gaseous mixture of fuel and air in the crankcase below piston;The burning of the piston upper again being produced due to igniting
The pressure of gas, piston moves and simultaneously closes off to bottom dead centre direction air entry from top dead-centre, the gaseous mixture in compression crankcase,
In the piston upper of bottom dead center-nearby, while opening and closing exhaust outlet makes the burning gases in cylinder discharge to outdoor gas, lead to
Cross the scavenging path that crankcase is connected with cylinder, in piston upper latch-release cylinder by preparation scavenging port by gaseous mixture from bent axle
Case imports to the two cycle engine in cylinder;The design has the valve gear with crankshaft-synchronous, this valve be from crankcase to
Cylinder scavenging mouth, the crankcase side of scavenging path is configured to normally closed;The crankcase side of scavenging path valve-closing when
Wait, the gaseous mixture in scavenging path is allowed to, by the flame of combustion gas, burning of igniting, HC reduces later again from crankcase to scavenging port,
The crankcase side of scavenging path is allowed to opening, while the burning gaseous mixture of scavenging path is sent, mixed in crankcase
Close gas and close exhaust outlet before exhaust outlet is discharged, here it is making the two cycle engine that the discharge of HC substantially reduces;Solve
In former structure, and the valve of the above-mentioned bent axle same period is because being designed, scavenging port after the flame extinction of burning gases
If also not opening, the flame of burning gases can make the gaseous mixture ignition in scavenging path and crankcase, makes the gaseous mixture cannot be to
Supply in cylinder, the opening of exhaust outlet will make the opening of scavenging port cross early stage unlatching, and the exhaust outlet in cylinder and scavenging port exist
Simultaneously during opening, the unblended mixture in crankcase and in scavenging path enters in cylinder from exhaust outlet, so gaseous mixture
A part is discharged from exhaust outlet in the state of unburned, becomes and discharges the problem that the gaseous mixture (i.e. HC) in gas increases;
The present invention is outside described air entry exhaust outlet scavenging port, after crankcase scavenging, chases after in the crankcase side of scavenging path
Add opening and closing valve, the gaseous mixture in scavenging path is ignited in the flame of combustion gas and burnt, and scavenging path and crankcase
It is inside that the valve of synchronizing cycle can be truncated according to bent axle, so the gaseous mixture in crankcase will not burn, scavenging simultaneously is led to
When the valve openings with the crankshaft-synchronous cycle, the gaseous mixture in crankcase can be extruded in cylinder combustion gas in road
Out, at the initial stage in exhaust outlet and scavenging port opening simultaneously, the burning gases in scavenging path are fed in cylinder, from row
Will not be adulterated in the exhaust gas that gas port is discharged to outside HC, the burning when exhaust outlet will be closed, in scavenging path
Gaseous mixture in continue crankcase in unblended mixture be fed in cylinder, so in exhaust gas doping HC amount energy
Control and reduce;The described valve gear having with crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) c-type circle (56a),
Two sides that the c-type circle of described crank valve (56) has a bit of opening are set to the wedge circle (56b) at oblique angle, open when it is a bit of
The side having oblique angle of two sides of mouth rotates with bent axle, in the oral area of the connection crankcase of the scavenging passage of latch-release cylinder just
The effect forming shearing and reducing mutation impact;The described built-in two stroke engine reducing discharge, is provided with same with bent axle
Valve gear that is step plus digging breach, is two of a bit of opening in the upper c-type circle (56a) adding crank valve (56) of bent axle (57)
Side is provided with the pressure coil (56f) of logarithm, when a bit of opening of described pressure coil two sides logatithmic spiral side with song
Axle rotates, and is formed for the logarithm of pressure angle properties equivalent everywhere in the oral area of the connection crankcase of the scavenging passage of latch-release cylinder
Helical affects the effect of air-flow and buffering;The wedge (11b) of the noise control filter screen in scavenging passage is located at described technique butt strip (55)
Side;Filter screen (58) in scavenging passage is located at described technique butt strip (55) side, the filter screen in described scavenging passage be by
The braiding of many wire longitude and latitude forms, and has filtration regulating and controlling effect to breathing between gas and crankcase in cylinder;Anti- in scavenging passage
Filter screen of making an uproar is provided with multiple wedges (11b), and described wedge is multiple hollow six prismatic, and top has aperture, and the advanced wedge of air-flow compresses,
Escape from wedge aperture again and expand, have noise control to filter regulation and control and noise elimination effect;Scavenging on described technique butt strip (55) side
It is provided with catalyst volume (59) its indium of rhodium containing iridium of reduction of discharging in passage, have catalyst effect and noise control to filter regulating and controlling effect to flowing through gas,
There are regular hour difference and isolation and noise elimination adjustment effect, slow down the discharge of the exhaust outlet to scavenging passage for the HC;Described
Above the scavenging passage of left box body (52) and close described technique butt strip (55) side, it is equiped with buffering frame (a58);Described slow
Rushing frame (a58) is square frame-shaped, and the frame of its square frame-shaped carries over the side that against the square hole (c52) that described left box body (52) is provided with
Edge;The square frame-shaped of described buffering frame (a58) is provided with noise reduction hole (f58);On the frame of the square frame-shaped of described buffering frame (a58)
Carry over the filter screen that is sticked (58), described filter screen (58) is the square piece having multiple little filter openings, the multiple little filter opening of described filter screen (58)
Square piece middle part be provided with peripheral ovalize protuberance bulge, the curve of the part of the gabarit of the bulge of described protuberance is tool
One section of the pressure angle logatithmic spiral of properties equivalent everywhere;And the middle part of the square piece of multiple little filter opening of described filter screen (58) is provided with
The bulge of the protuberance of peripheral ovalize projection towards described technique butt strip (55) direction that is to say, that described filter screen
(58) depression of the bulge of the protuberance of peripheral ovalize that the middle part of the square piece of multiple little filter opening is provided with is towards a described left side
Casing (52) and the direction of described buffering frame (a58);Described right case (51) is right crooked wheel axle box, its be provided with polyisocyanate hole every
Wall, described partition wall thickness is less than 2.8mm, and the top of described partition wall is provided with 3 sections of camber lines, and the described camber line of the centre of 3 sections of camber lines is
Circular arc line (527), the both sides of 3 sections of camber lines are logatithmic spiral section (525) and cube curved section (526), many set by described partition wall
At least 2, individual different hole, it is the through hole with the described oral area connecting crankcase for the scavenging passage connecting described latch-release cylinder;Institute
The piston of the engine stated, its cross section is the curve of the part of gabarit of modification on the basis of oval cross section is a cube curve
One section;And the part of the gabarit of the valve sheet of the carburetor of engine is a cube curve;And the valve of the carburetor of engine
The face of piece is logarithmic curve;And the inwall of the inlet channel of the carburetor of engine is cube curve of part;And engine
The inwall entering outlet passageway is cube curve of part;And, multiple kinematic pairs of engine contain the inwall of cylinder body, the side of piston
Face, the joint plating indium of crank connecting link;
There is provided a kind of improvement of low vibration foliage pressure-vacuum machine, it contains inside and outside blower and disappears in the plus-minus shake of the many places of blower
Sound material and honeycomb structure are moved with vibration damping.The foamed plastics moving in the additional vibration damping of motor, and disappear in the plus-minus shake of the many places of blower
Sound material, and in the air channel many places setting honeycomb structure blowing and inhale,;Inside and outside casing, and inside and outside each telescoping tube, if many places subtract
Shake noise elimination honeycomb structure, and it is in many hexagons of dense interconnection Wedge structure containing noise elimination, its density and its breadth depth ratios, with
The vibration parameters of blower are relevant with noise properties, repeatedly test;Inside and outside casing, and inside and outside each telescoping tube and outside motor,
The shock-absorbing and noise-eliminating material installing additional, or use metallic fiber, or nonmetallic materials, filling or half filling;Or the sound absorber with resistance to middle temperature
Material particularly sound-absorbing porous material, or flexible material, and film material;Described porous material can be fiber-like, foam class,
Grain class, alone good, more or less mixing application is good;Usable fibers class such as rock wool, or glass fiber, or mineral wool is particularly super
Fine glass wool;Or use foam class, by temperature rise eminence, fireproof;Or with particulate species such as expanded perlite, porous clay brick,
And the fabric of heatproof, felt is filling, or attaches;Described honeycomb structure also can prefabricated attach afterwards, or mixing molding.Due to each material
The standing-wave-tube method acoustic absorptivity of acoustic absorptivity of material and reverberation method acoustic absorptivity are different, and incident angle also has shadow to acoustic absorptivity
Ring, have is preferable to high frequency sound absorption, and have is preferable to Low Frequency Sound Absorption, multiple material has the efficiency of complementation, vibration involves makes an uproar
Sound is reflected, conversion, absorbs, decay, therefore is conducive to further improved performance index.The outside at dust mouth position is provided with two cards
Groove, so that card hangs dust bag bracket and dust bag;Original hook muscle only has 2, and support force is poor, causes hook to have pine once in a while
De-;Now being changed to hook muscle has 3, and support force is higher, and hook can be made to be difficult to get loose;Dust bag is made by fabric, is provided with and marches
Related with two buckle, to make to buckle on the hook at plug-in position hanging on described shell;And marching is for pulling open bag
Pour out broken leaf;A kind of improved method that dust bag bracket prick sack is now discussed in detail:Get out commercially available having down first
The nylon cable tie of fastener, is placed in the fabric of dust bag, bag make suture with sewing machine again, then open and march,
The described big bagging circle of dust bag bracket and little put into by the band that the suture of the fabric of the dust bag preparing encases side
Bagging circle (between, from the big opening part marched it is easy to put in pliers, tension has the nylon cable tie of barb button, and cuts off too long of
Band;The annex of original blower product only has braces (43), hangs on shell and the back of the body is on operator's shoulder;Advise improved low
Foliage pressure-vacuum is confidential adds mouth mask, gloves and safety goggles and insurance in its annex for vibration, with improving product class and convenient
User;The improvement of low vibration foliage pressure-vacuum machine,, containing blowing the improvement that impeller adds cutting edge, the described impeller that blows is equipped with cutting edge, contains for it
Top cutting edge and side week cutting edge, the angle hook blowing impeller blade top surface with blowing impeller blade front of described top cutting edge is sharp
Angle;And described side week cutting edge to blow impeller blade lateral circle surface with the angle blowing impeller blade front be also acute angle;Described blows
Cutting edge that impeller adds or shorter along the edge local of face of blade, or along the big portion head in edge;Its cutting edge or arc
Sword, or roll over sword more, and its lonely shape sword is archimedes line, or parabola;Also separately it is equipped with shear-steel knife in the described impeller that blows,
Use strip-shaped cutter;As improvement, blow on impeller blade in described, if containing multiple oval and hexagonal noise reduction hole;Contact
The roller on ground is changed to turn to, and becomes easy and turns to blower, is another designs and varieties of blower, is to meet some behaviour
Like as pedestrian and during custom blower, particularly run into corner local when, glance right and left and turn over angle come pressure-vaccum with
The requirement of convenient work.The axle stand of original telescoping tube lower head is split, makes an independent part wheel
Pedestal, the place laying axle stand in original telescoping tube lower head sets a hole, to insert the ring on described axle stand
The vertical shaft of draw-in groove;Wear wheel shaft in axle stand (31a), then set up one wheel pairs, respectively fill shaft block ring;Singly stretched out cylinder be changed to many
Protruded tube, and set the elastic collision bead autonavigator of autonavigator, or the autonavigator of collision block, or being automatically positioned of torsion spring
Device, and not employment is gone by button with hand again, to reduce volume, random pulling-down puts in place and was both automatically positioned, and improves work efficiency;Described
The many protruded tubes matching with autonavigator are more pieces, and many protruded tubes are all provided with fluted being adapted to locator;Associating can be free
Draw in the principle of the telescopic antenna of pull-out, it is improved and uses blower and make many protruded tubes, little suction pipe might as well be referred to as many
Protruded tube;Described many protruded tubes are one end in-flanges, and other end flanging;Its in single file one section connect a section, be more piece,
Few 4 sections, pull-out or return freely, because all there being convex-concave screens at its flange;Pipe range because of blower presses standard IEC 60335-2-
100, or press standard such as BSEN15503:2009, all only 0.9 meter, therefore pull bar length can be implemented;Or associate can from
By the principle of the accordion drawing in pull-out, and the flexible pipe folded of conventional dust catcher and washing machine, it is improved and is used and blows
Suction machine is made many protruded tubes and is referred to as flexible folding pipe;Add and subtract shake deadener inside and outside blower and in the many places of blower, and
If many places vibration-absorbing and silencing honeycomb structure;Mouth mask, gloves and safety goggles and insurance is added in the annex of blower;Blow impeller to add
Cutting edge;The described blower having improved safety key and built-in motor is it is characterised in that adopt built-in on blower
Reduce discharge two stroke engine be used as power;The described built-in two stroke engine direct current containing check valve-type reducing discharge
The two stroke engine of scavenging, the check valve being provided with by the described combustion chamber in cylinder body (44) comprises valve pocket (441), valve abnormity
Passage (442), valve bonnet (443), valve screens disk (444), valve spring (445), valve element (446), valve front stall (447);Described valve
Chamber (441) is located on cylinder body (44), and the front portion of described valve pocket (441) has the through hole cylinder chamber other with combustion chamber to communicate, described
The middle part of valve pocket (441) is provided with valve abnormity passage (442) and is connected with crankcase, and the rear portion of described valve pocket (441) is equipped with valve
Bonnet (443), described valve screens disk (444) and described valve spring (445) are contained on described valve element (446), described valve front stall
(447) on the through hole communicating with the cylinder chamber by combustion chamber of the front portion being installed in described valve pocket (441);Described valve element
(446) front portion is provided with valve front (446c), and the side of the valve front (446c) that the front portion of described valve element (446) is provided with is provided with
Function curve ring week sealing ring (446d), the postmedian of described valve element (446) is provided with valve screens groove (446b), described valve element
(446) rear portion is provided with guide post (446a);Described valve bonnet (443) is provided with gathering sill (443a);Described valve screens disk (444)
It is provided with keyhole (444a), the flange that has in ring week of described valve screens disk (444) states valve spring (445) with profit shield residence;Described
One end of valve spring (445) is provided with and polishes end (445a) and be beneficial to the flange being provided with the ring of described valve screens disk (444) week
Coordinate and protect;The other end of described valve spring (445) do not polish end but free end contact with described valve front stall (447) with
High speed Free Slosh beneficial to described valve element;The front portion of described valve front stall (447) is provided with the circular arc chamfering containing function curve
(447a) so that the described function curve that is provided with of the side of the valve front (446c) being provided with the front portion of described valve element (446)
Ring week sealing ring (446d) matches;The big aperture of the keyhole (444a) that described valve screens disk (444) is provided with is easy to elder generation
Valve screens groove (446b) of described valve element (446) postmedian is loaded from radial direction from axially set again;Described valve abnormity passage (442)
Side wall be equiangular spiral shape, in there being the tubaeform of concentric reducer, equiangular spiral mathematically also cry logatithmic spiral its have known
Pressure angle characteristic equal everywhere, the described flaring major part having a concentric reducer leads to crankcase so that agree without prior consultation go up greatly under runner little
Descend pine to tighten and lower slightly going up slowly requires faster;When descent of piston, the upper cavity pressure of top land reduces, and valve element backs down,
After scavenging, after the crankcase pressure of bottom lowers, closed check valve;When piston stroking upward, exceed exhaust outlet, crankcase pressure is relatively
Top land upper cavity pressure reduction greatly, valve element backs down, air inlet;When piston continues up, the upper cavity pressure of top land adds
Greatly, valve element closure, piston is descending again to the combustion work done of top dead centre north point, so goes round and begins again;The improved safety key of described tool
And the blower of built-in motor its be contained in tool engine blower handle on install safety key (62) and shank of the key (61) additional, micro-
Turn to airduct (65) and micro- steering base (64) and microswitch (65), between handle and pressure-vaccum body, set shock absorption buffering mechanism
(63), start the start mode of handle (59) and foot pedal positions (60), fuel tank transparent to see that oil plant adopts transparent highly dense gather
Ethene is blow molded, and carburetor handicapping air door hooks (67) and throttle buckles the touch device automatically opening up air door of (66), on blower
The inwall of the built-in combustion chamber of two stroke engine reducing discharge being adopted adopts parabola shaped, the ignition point of spark plug
It is located at the focal point of combustion chamber, make parabolical focal point consistent with the ignition point coincidence of spark plug, be conducive to reinforcement light to involve
The ignition work done effect that the synthesis of electric discharge and all key elements of heat energy is gathered.
Update the perfect described blower having improved safety key and built-in motor it is characterised in that
The valve screens that the postmedian of the described valve element (446) of check valve being provided with by the described combustion chamber in cylinder body (44) is provided with
Groove (446b) has step, has a shallow slot, also a deep trouth, in order to the key being provided with described valve screens disk (444)
The big aperture of keyhole (444a) matches, first described shallow slot from axially set, then loads described valve element (446) postmedian from radial direction
Valve screens groove (446b).
Update the perfect described blower having improved safety key and built-in motor it is characterised in that
The side wall of described valve abnormity passage (442) is the section of equiangular spiral shape and its passage is oval.
Update the perfect described blower having improved safety key and built-in motor it is characterised in that
The side wall of described valve abnormity passage (442) is the section of equiangular spiral shape and its passage is the hole that logatithmic spiral is surrounded.
Update the perfect described blower having improved safety key and built-in motor it is characterised in that
The guide post (446a) that the rear portion of described valve element (446) is provided with is Long Circle bar and described valve bonnet (443) is provided with
Gathering sill (443a) is Long Circle hole in order to match.
Update the perfect described blower having improved safety key and built-in motor it is characterised in that
The guide post (446a) that the rear portion of described valve element (446) is provided with is polygon bar and described valve bonnet (443) is provided with
Gathering sill (443a) is polygonal hole in order to match.
Update the perfect described blower having improved safety key and built-in motor it is characterised in that
The circular arc chamfering (447a) containing function curve that the front portion of described valve front stall (447) is provided be one section of logatithmic spiral with
The described function curve ring week sealing that the side of the valve front (446c) being just provided with the front portion of described valve element (446) is provided with
Circle (446d) is also one section of logatithmic spiral and matches.
Update the perfect described blower having improved safety key and built-in motor it is characterised in that
The circular arc chamfering (447a) containing function curve that the front portion of described valve front stall (447) is provided be one section of cube curve with
The described function curve ring week sealing that the side of the valve front (446c) being just provided with the front portion of described valve element (446) is provided with
Circle (446d) is also one section of cube curve and matches.
Update the perfect described blower having improved safety key and built-in motor it is characterised in that
Described micro- steering airduct (65) and micro- base (64) that turns to are provided with no more than 30 degree of sector notch, and microswitch (65)
It is accessible, after described micro- variable wind manage-style pipe and micro- steering tube seated connection close, the starting that could be energized.
Update the perfect described blower having improved safety key and built-in motor it is characterised in that
Choke that described carburetor is provided with hooks (67) and throttle buckle (66) the touch device automatically opening up air door choke
The rotational angle hooking is 30 degree.
Cylinder body lead to crankcase runner side wall be equiangular spiral shape, equiangular spiral mathematically also cry logatithmic spiral its there are public affairs
The pressure angle known characteristic equal everywhere, the described flaring major part having concentric reducer leads to crankcase, is easy to agree without prior consultation under runner greatly
Upper little descend pine to tighten and lower slightly go up slowly requires faster;The inwall of the combustion chamber of engine adopt parabola shaped, spark plug
Ignition point is located at the focal point of combustion chamber, makes parabolical focal point consistent with the ignition point coincidence of spark plug, is conducive to strengthening
Light involves the ignition work done effect gathered of synthesis of electric discharge and all key elements of heat energy.
Constantly improve further and perfect use polyisocyanate hole partition wall right crooked wheel axle box with the two-stroke of turbulent scavenging
Engine it is characterized in that, the described valve gear having with crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) c-type
The circle rotation of (56a) and the oral area of connection crankcase of the scavenging passage of latch-release cylinder and formed, described bent axle (57) sets
It is corresponding with a bit of opening of the described c-type circle (56a) adding crank valve (56) and passes through one c-type edge (57a)
Location hole, or an alignment pin, or positioning sleeve to be realizing coordinating, and fixed with three screws.Described have with
The valve gear of crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) c-type circle (56a), the c-type of described crank valve (56)
Enclose the wedge circle (56b) that two sides having a bit of opening are set to oblique angle, when two sides of a bit of opening of described c-type circle
The side at oblique angle of having rotate with bent axle, be formed for shearing gas in the oral area of the connection crankcase of the scavenging passage of latch-release cylinder
Stream and the effect reducing mutation impact.Its every side bent axle of the oblique angle that two sides of a bit of opening of wedge circle (56b) are provided with
The angle of axis is in 5-27.5 degree.The described valve gear having with crankshaft-synchronous, is above to add crank valve in bent axle (57)
(56) c-type circle (56a), two sides that the c-type circle of described crank valve (56) has a bit of opening are set to the pressure coil at oblique angle
(56f), when the logatithmic spiral side of two sides of a bit of opening of described pressure coil rotates with bent axle, sweeping in latch-release cylinder
The logatithmic spiral being formed for pressure angle properties equivalent everywhere during the oral area of connection crankcase of gas passage affects air-flow and buffering
Effect.Or the filter screen (58) in described scavenging passage is located at described technique butt strip (55) side, the filter screen in scavenging passage is
Formed by the braiding of many wire longitude and latitude, have filtration regulating and controlling effect to breathing between gas and crankcase in cylinder;In scavenging passage
Noise control filter screen is provided with multiple wedges (11b), and described wedge is multiple hollow six prismatic, and top has aperture, air-flow advanced wedge pressure
Contracting, then escape expansion from wedge aperture, there is noise control to filter regulation and control and noise elimination effect.
With the right crooked wheel axle box of polyisocyanate hole partition wall with the usefulness of the two stroke engine of turbulent scavenging:Described right song
Wheel shaft casing is provided with polyisocyanate hole partition wall, just reduces the difficulty of manufacture greatly revolutionaryly, because on the casing of plain structure
It is easy to die casting demoulding partition wall, and the piston/cylinder complicated in depths is difficult to die casting demoulding partition wall;Described partition wall thickness is less than 3mm,
The top of partition wall is provided with 3 sections of camber lines, and the described camber line of the centre of 3 sections of camber lines is circular arc line (527), and the both sides of 3 sections of camber lines are right
Number spiral pieces (525) and cube curved section (526), multiple through holes at least 3 set by described partition wall, it is to open described in connection
Close the scavenging passage of cylinder and the through hole of the described oral area connecting crankcase;The piston of described engine, its cross section be
On the basis of oval cross section, the curve of the part of gabarit of modification is a section of cube curve;And the valve of the carburetor of engine
The part of the gabarit of piece is a cube curve;And the face of the valve sheet of the carburetor of engine is a cube curve;And the change of engine
The inwall of the inlet channel of oily device is cube curve of part;And the inwall entering outlet passageway of engine is cube song of part
Line;And, multiple kinematic pairs of engine contain the joint plating indium cadmium of the inwall of cylinder body, the side of piston, crank connecting link;Start
Machine hydrogen fuel tanks and oxygen cylinder.With the through hole at least 3 in the polyisocyanate hole of the right crooked wheel axle box of polyisocyanate hole partition wall, it is left
Circular hole (523), right circular hole (524), middle circular hole (522), middle circular hole (522) therein is less and middle circular hole (522) is horn mouth
Favourable gas punching accelerates.The through hole at least 3 in the described polyisocyanate hole of right crooked wheel axle box of use polyisocyanate hole partition wall, therein six
Square hole (528) is that the horn mouth of hexagonal pyramid is beneficial to wedge noise abatement effect.The right crooked wheel axle box of described use polyisocyanate hole partition wall
Partition wall through hole at least 3, elliptical aperture (529) therein or left circular hole therein (523) or right circular hole therein (524)
It is the horn mouth having concentric reducer.All it is beneficial to expand noise abatement effect.Carry over, on described buffering frame (a58), the filter screen being sticked
(58) it is that the sheet metal of the indium platinum of rhodium containing iridium has catalysis.The noise reduction hole (f58) being provided with buffering frame is multiple elliptical aperture.Right
Bent wheel shaft casing is communicated with the scavenging passage of described latch-release cylinder and the divider wall of the through hole of the described oral area connecting crankcase,
Be conducive to regulating and controlling air-flow instant surge and disorderly wave current amount;Partition wall is in the scavenging passage connecting described latch-release cylinder and described company
There are the rotation of regulation and control disorderly wave current scavenging and the leeway of buffering between the through hole of the oral area of logical crankcase, be also convenient for Fast Installation fixed
Position is it is easy to manufacture;Buffering frame (a58) is provided with noise reduction hole (f58), so that air-flow is had and contracts and again from noise reduction through entering noise reduction pore pressure
The noise reduction process that hole is overflowed and expanded;The protuberance of the filter screen that is sticked (58) ovalize is carried on described buffering frame (a58)
The curve of the part of the gabarit of bulge be one section of the tool pressure angle logatithmic spiral of properties equivalent everywhere, its usefulness is not
Say and explain;And the depression of the bulge of the protuberance of filter screen towards described left box body (52) and buffering frame (a58) direction, favorably
In keep out in cylinder relative to pressure;Moreover the piston of two stroke engine, its cross section is modification on the basis of oval cross section
The curve of the part of gabarit be one section of the tool pressure angle logatithmic spiral of properties equivalent everywhere, and the valve of the carburetor of engine
The curve of the part of gabarit of door piece is a section of the tool pressure angle logatithmic spiral of properties equivalent everywhere, and the carburetor of engine
The face of valve sheet be that the curve of part has one section of the pressure angle logatithmic spiral of properties equivalent everywhere, and the carburetor of engine
Inlet channel inwall be part curve be tool pressure angle properties equivalent everywhere logatithmic spiral, and engine enter to give vent to anger
The inwall of passage is the curve of part is one section of the tool pressure angle logatithmic spiral of properties equivalent everywhere, or its tool of cube curve
Damping characteristics, its usefulness is all self-evident.And, multiple kinematic pairs of engine, the inwall containing cylinder body, the side of piston
Face, the joint of crank connecting link, the composition containing indium or plating indium, then be all beneficial to lubricate.On the frame of described buffering frame (a58)
Carry over the sheet metal that the filter screen (58) being sticked is the indium of rhodium containing iridium having catalysis, be beneficial to catalyst effect.In buffering frame
(a58) the multiple little filter opening carrying over the filter screen (58) being sticked on the frame of square frame-shaped is polygonal, is beneficial to regulate and control air-flow.
The multiple little filter opening of the filter screen (58) on the frame of buffering frame (a58) is hexagonal, is beneficial to regulate and control air-flow and edgetone effect.
The frame of buffering frame (a58) there are multiple little filter openings to be quadrangle, is beneficial to regulate and control air-flow and braiding.In buffering frame (a58)
The noise reduction hole (f58) that is provided with of frame be multiple hole, be beneficial to regulate and control air-flow and noise reduction.The frame of buffering frame (a58) is provided with
Noise reduction hole (f58) be multiple elliptical aperture, be beneficial to regulate and control air-flow elliptical aperture principle of noise reduction enforcement.In described buffering frame
(a58) the noise reduction hole (f58) that each frame of square frame-shaped is provided with is eight elliptical apertures, is to manufacture style.Described buffering frame
(a58) each frame of square frame-shaped is that the pipe of hollow bilayer is made, is beneficial to regulate and control air-flow and noise reduction sound-deadening pipe principle
Enforcement.The frame of described buffering frame (a58) carries over the filter screen (58) being sticked the square piece having multiple little filter openings many
Individual little filter opening is longitudinal 24 holes and horizontal 21 holes, is that manufacture style is convenient to carry out.
Brief description
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the schematic diagram of the blower having improved safety key and built-in motor.
Fig. 2 is the another schematic diagram of the blower having improved safety key and built-in motor.
Fig. 3 is the schematic diagram taking handle apart of the blower having improved safety key and built-in motor.
Fig. 4 is the schematic diagram of the blower having improved safety key and built-in motor of partial cutaway.
Fig. 5 is the schematic top plan view of the blower having improved safety key and built-in motor.
Fig. 6 is the elevational schematic view of the blower having improved safety key and built-in motor.
Fig. 7 is the schematic diagram taking shell apart of the blower having improved safety key and built-in motor.
Fig. 8 is the schematic rear view of the blower having improved safety key and built-in motor.
Fig. 9 is the forward sight half-section diagram of the blower having improved safety key and built-in motor.
Figure 10 is the left view half-section diagram of the blower having improved safety key and built-in motor.
Figure 11 be blower start handle and the schematic diagram of shell taken apart by engine.
Figure 12 is that the right side of the blower having improved safety key and built-in motor regards half-section diagram.
Figure 13 is the rear side schematic diagram taking handle apart of the blower having improved safety key and built-in motor.
Figure 14 is the partial top schematic diagram of the blower having improved safety key and built-in motor.
Figure 15 is with indexing, zigzag umbrella rib, the section of the outer indexing high-voltage coupler (1) of fixing hole and internal thread
Figure.
Figure 16 is the air inlet pit (35) by being provided with waveform pit (33), spark pit (36) have function waveform (32)
Piston (31), and spark plug, the cross-sectional schematic of the combustion chamber that valve is formed.
Figure 17 is the profile of the piston adding double auxiliary skirt rims.
Figure 18 is the positive side view of the piston adding double auxiliary skirt rims.
Figure 19 is that the complete section of layering gas storage piston cuts the schematic diagram of cross section.
Figure 20 is that schematic diagram cuts open in the three-dimensional office of two stroke petrol engine cylinder.
Figure 21 is the close-up schematic view of two stroke petrol engine cylinder.
Figure 22 be plus the c-type circle (56a) of crank valve (56) and gap (56 δ) and two stroke engine cylinder body signal
Figure.
Figure 23 is the schematic diagram of the wedge circle (56b) adding crank valve (56).
Figure 24 is the schematic diagram of the pressure coil (56f) adding crank valve (56).
Figure 25 is the schematic diagram of the another side of wedge (11b) of the noise abatement in scavenging passage.
Figure 26 is the schematic diagram of the another side of catalyst volume (59) of the reduction of discharging in scavenging passage.
Figure 27 is the generalized section of descent of piston point to scavenging port.
Figure 28 is the generalized section to lower dead center for the piston.
Figure 29 is the schematic diagram of left box body square hole filter screen turbulent flow scavenging.
Figure 30 is that the left box body (52) of left box body square hole filter screen turbulent flow scavenging is provided with the schematic diagram of square hole (c52).
Figure 31 is the another schematic diagram of left box body square hole turbulent flow scavenging.
Figure 32 is the another schematic diagram of left box body square hole.
Figure 33 is the filter screen (58) of left box body square hole filter screen turbulent flow scavenging and the schematic diagram of buffering frame (a58).
Figure 34 is the signal of the bulge of protuberance of the left box body square hole filter screen turbulent flow buffering frame (a58) of scavenging and filter screen (58)
Figure.
Figure 35 is the schematic diagram of the right crooked wheel axle box of engine.
Figure 36 is the schematic diagram of the right case partition wall of engine.
Figure 37 is the schematic diagram of the left box body of engine.
Figure 38 is the schematic diagram of the left box body partition wall of engine.
Figure 39 is the schematic diagram of the cylinder body of the uniflow scavenged two stroke engine of check valve-type.
Figure 40 is the schematic diagram of the valve bonnet (443) of the uniflow scavenged two stroke engine of check valve-type.
Figure 41 is the schematic diagram of valve screens disk (444) of the uniflow scavenged two stroke engine of check valve-type.
Figure 42 is the schematic diagram of the valve spring (445) of the uniflow scavenged two stroke engine of check valve-type.
Figure 43 is the schematic diagram of the valve element (446) of the uniflow scavenged two stroke engine of check valve-type.
Figure 44 is the schematic diagram of the valve front stall (447) of the uniflow scavenged two stroke engine of check valve-type.
Figure 45 is the schematic diagram of the position of check valve of the uniflow scavenged two stroke engine of check valve-type.
Figure 46 is the schematic diagram of the check valve of the uniflow scavenged two stroke engine of check valve-type.
Figure 47 is that carburetor handicapping air door hooks the signal that (67) and throttle buckle the touch device automatically opening up air door of (66)
Figure.
Figure 48 is that carburetor handicapping air door hooks (67) and throttle buckles the another signal that (66) automatically open up air door touch device
Figure.
Figure 49 is cutting of the two stroke engine cylinder interior of tool periodic function gibbs overshoot convergence ripple Fourier piece wall
Schematic diagram.
Figure 50 is that tool increases the right case of compression ratio and a left side for the two stroke engine right case of function Fourier piece wall is cutd open
Schematic diagram.
Figure 51 is the enlarged diagram of the another angle at scavenging road junction.
Figure 52 be scavenging road junction equipped with the cylinder body of technique butt strip (55) another angle schematic diagram.
Figure 53 is the signal that partial cut-out shows the cylinder body of two-cycle gasoline engine of layering gas storage piston in cylinder
Figure.
In figure:
1. it is spark plug, also known as the outer indexing with indexing and zigzag umbrella rib and fixing hole and internal thread for the engine
High-voltage coupler (1);2. it is pad (2);3. it is the insulator (3) of the multiple tracks umbrella rib with saw-tooth shaped cross section;4. it is threaded
One end (4) and the interior induction reactance of the threaded other end (4b) and inductance coil (15);5. it is the shell with radiating fin (5);6. it is S
Shape retaining washer (6);7. it is the glass-sealing agent (7) containing resistance;8. it is embedded steel core (8);9. it is electric discharge pole bar (9);10. it is
By electrode tie rod (10);11. is electric discharge cartridge (11);121. is by electrode tip (121);31. is piston;32. is piston area
Function waveform;33. is waveform pit;34. is that exhaust is raised;35. is air inlet pit;36. is spark pit;37. is double auxiliary skirt
Side;38. is the base of double auxiliary skirt rims;39. is the lower fillet of the side of double auxiliary skirt rims;40. being the side of double auxiliary skirt rims;41. are
The upper fillet of the side of double auxiliary skirt rims;42. is the concave arc side on the base of double auxiliary skirt rims;43. is the through hole of piston and double auxiliary skirt rims;
44. is cylinder body;45. is scavenging road junction;46. is that wedge turbulent flow time alters piece;47. is that wedge turbulent flow goes back to the scavenging road junction altering piece;48.
It is the wedge that wedge turbulent flow goes back to the logical scavenging road junction altering piece;49. is that returning of the logical scavenging road junction that wedge turbulent flow time alters piece alters grid;
50. is the turbulent shield that wedge turbulent flow goes back to the logical scavenging road junction altering piece;51. is right case;51b. is right double auxiliary blow vent;51C. is
Long reinforcement;51d. is short reinforcement;51e. is reinforcement arm pawl;51f. is rear wall;52. is left box body;52b. is left double auxiliary logical
Gas port;53. is that two air flue walls are also known as scavenging air belt partition wall;53a. is the foot of a wall portion;53b. is rear metope;53c. is front metope;
53d. is wall end;53j. is Fourier function breach;54. is tool periodic function gibbs overshoot convergence ripple Fourier piece wall;
54j. is transition flex point;54k. is fluctuating convex-concave;51g. is left prism;51y. is left straight sided;51h. is left broad side surface;
52g. is right prism;52y. is right straight sided;52h. is right broad side surface;31a. is gas storage pit;31b. is crosscutting hatching;
44a. is blow vent;44b. is into gas port;44c. is into air scoop;44d. is the first scavenging port;44f. is the second scavenging port;
44e. is envelope high-wall;55. is technique butt strip;55g. is that interval is stupefied;55e. is interval breach;55d. is the first scavenging side wall;
55d. is the second scavenging side wall;44j. is insertion louvre;44k. is straight-through louvre;(44x, 44v) is to strengthen radiating in flakes;
56. is crank valve;56a. is c-type circle;57. is bent axle;56 δ. it is gap;57a. is c-type edge;56b. is wedge circle;56f.
It is pressure coil;58. is filter screen;A58. it is buffering frame;F58. it is noise reduction hole;C20. it is square hole;Circular hole in 522.;523. left circles
Hole;524. right circular holes;525. logatithmic spiral sections;526. cubes of curved sections;527. circular arc line segments;528. hexagonal hole;529. it is oval
Hole;441. valve pockets, 442. valve abnormity passages, 443. valve bonnets, 444. valve screens disks, 445. valve springs;446. valve elements, 447. valves
Front stall;446c. valve front;The all sealing rings of 446d. function curve ring;446b. valve screens groove;446a. guide post;443a. guiding
Groove;444a. keyhole, 445a. polishes end;447a. contains the circular arc chamfering of function curve;The sealing of 446d. function curve ring week
Circle;62. safety keys;61. shank of the keys;65. micro- steering airducts;64. micro- steering bases;65. microswitches;63. damping, buffering dresses
Put;59. start handle;60. foot pedal positions;67. chokes hook;66. throttle buttons.
Specific embodiment
Ji Bu with reference to the overshoot of the continuous transition of square wave of Fourier function in the Method of Mathematical Physics of higher mathematics
This phenomenon overshoot convergence ripple and with reference to lag theorem, shifting theorem, convolution theorem and press the approximately single of Fourier function
Circular frequency and launch be approximately the frequency spectrum gradually decayed copying fourier series to draw multiple from diminish greatly from thin become close
Spike, what mathematical physics was described should be the high level overview of many actual phenomenons, and engine blow-through air turbulent motion rule is not yet
Should make an exception and surmount completely, also should have some similar or inherent related or bring out the best in each other and ought more or less use for reference it;In compression mod
Shaping mould core rod on, manufacture imitate close to inherent related described Fourier function breach (53j) seeming and high-wall
The transition flex point (54j) on top have at least one close to 90 degree turn round shape its be approximately gibbs overshoot convergence ripple i.e. imitate richness
In leaf-size class number ground gibbs overshoot phenomenon draw gradually approach rectangle transition ripple and be approximately what imitative fourier series were drawn
The frequency spectrum gradually decayed have multiple from diminishing greatly from the thin fluctuating convex-concave (54k) becoming close spike;So that the cylinder body of shaping is special
Shaped body such as mainstay and affect air-flow.There is imitative higher mathematics function and the having of suitable linear characteristic that have of Fourier person's movements and expression is drawn
Lead and Fourier function breach (53j) of damping characteristic and the transition flex point (54j) on top of high-wall and imitative fourier series
Having of the frequency spectrum gradually decayed drawn is multiple comprehensive high to noise from the fluctuating convex-concave (54k) from the close spike of thin change that diminishes greatly
Frequency band, rate of explosion, compression ratio are favourable.
With reference to higher mathematics Method of Mathematical Physics in the equipotentiality streamline of family of parabolas quadratic function curve shape, to point
The flow direction of many gas storage of layer gas storage piston has directive significance.The side parabolic of scavenging air belt is leaned in the outside of described envelope high-wall (44e)
The equipotentiality streamline of line race, can use CNC digital control processing.One section of scavenging air belt logatithmic spiral also can use CNC digital control processing, logarithm spiral shell
Line is its tool pressure angle of equiangular spiral advantage equal everywhere, is conducive to the air motion of scavenging air belt.Two scavenging air belt interworkings, the
Sweep its tool pressure angle of gas port equiangular spiral equal everywhere, and the two of the equipotentiality streamline of the second scavenging road junction family of parabolas
Secondary function curve shape, the Method of Mathematical Physics that higher mathematics is imitated at scavenging road junction is R&D direction, should with the test of high number scientific guidance
It is better than blindness is gathered together.What mathematical physics was described should be the high level overview of many actual phenomenons, and engine blow-through air rule is not yet
Should make an exception.Assembling (and sintering pottery and welding by electrode tie rod) carries indexing 1a, zigzag umbrella rib 1c, fixing hole successively respectively
1b and the outer indexing high-voltage coupler 1 of internal thread, pad 2, the insulator 3 of the multiple tracks umbrella rib with saw-tooth shaped cross section, threaded
One end 4 and the interior induction reactance of threaded other end 4b and inductance coil 15, the shell 5 with radiating fin, S-shaped retaining washer 6, containing electricity
The glass-sealing agent 7 of resistance, embedded steel core 8, pole bar 9 of discharging, by electrode tie rod 10, discharge cartridge 11, by electrode tip 12, by electrode
Head shell 13, by electrode tip shell back-up ring 14.Described with indexing 1a, zigzag umbrella rib 1c, fixing hole 1b and internal thread
A groove is at least opened on the electric conductor of outer indexing high-voltage coupler 1, or multiple-grooved;The number of preferably multiple-grooved is by angle value;Example
As the number of degrees of certain spark plug are 6, then fluting number is 6;The number of degrees of certain spark plug are 7, then fluting number is 7.Described coupling
The electric conductor of 1 fluting screws in threaded one end 4 and taps fixing hole 1b and so that spark plug is made.Spark plug is screwed in engine
Screw thread in the hole, so that S-shaped retaining washer 6 is closely fastened.It is inserted with rubber or the spark cap of plastic insulation shell, make coupling 1
Electrically conductive socket that electric conductor is connected with high pressure external connection and in cap is connected.When to ignition advance angle, electric current passes sequentially through
Coupling 1, the interior induction reactance of threaded one end 4 and threaded other end 4b and inductance coil 15, the glass capsulation containing resistance
Agent 7, embedded steel core 8, pole bar 9 of discharging, by electrode tie rod 10, discharge cartridge 11, by electrode tip 12, by electrode tip shell 13, and
Discharge in electric discharge cartridge 11 with by between electrode tip 12.Described part 4, part 15, part 7, part 8, part 9 insulated body 3 is particularly ceramic
Body is surrounded, coupling capacitive reactance of just mutually meeting, and described resistance and inductance have the effect of connection in series-parallel RCL equivalent circuit, and allotment is suitable
When just there being the effect of anti-radio interference.Shell 5 with radiating fin is because there being dissipating of the radiating fin more much bigger than original cylinder
Hot area, it is self-evident that its thermal diffusivity has been improved.Described with indexing 1a, zigzag umbrella rib 1c, fixing hole 1b and
The zigzag umbrella rib 1c of the outer indexing high-voltage coupler 1 of internal thread, zigzag in the outer part is more slow with the angle of axis, with profit fire
The socket of flower cap is easier to insert;And zigzag in the inner part is more larger with the angle of axis, with the socket of sharp spark cap not
Easily deviate from.The groove depth of described fluting is the only about half of of coupling overall length;Fluting is different with its effect of not slotting, and leads
It is easy to after electric body fluting that micro- expansion forms multijaw and the socket of favourable spark cap is difficult.Because described is provided with band radiating fin
The feature of shell 5 be provided with radiating fin 5a, radiating fin 5b, radiating fin 5c, particularly described radiating fin is hexagonal, or
Person is circular, so original steel material will be utilized as far as possible, the material that originally will be cut away in vain is retained a part and makes scattered
Hot wing.Described radiating fin is at least one or more.Radiating fin can be processed with knife with hex wrench nut thereon.Also just
In install when box spanner can be inserted in deeper and more, be difficult skid.Because as improving, the present invention is especially improved common single ordinary telegram
Extremely cranked electrode 16;It is characterized in that:Described cranked electrode 16, as shown in figure 15, by extension 16a, arc portion 16b, turn of bilge 16c
Formed, this three part is equal with the spacing of discharge electrode, thus constituting the discharging gap with discharge electrode by electrode, and than original
Front head, the probability increase being conducive to the absolute quantity of the mixed air in gap to increase and catching fire.Remnants at discharging gap give up
Gas wishes to clean, and so that mixed air is easily caught fire, and this acts on larger to warming-up and low-load performance;But without hope there is too strong gas
Stream directly rushes at discharging gap in ignition point, thus dispelling fiery core, increasing the cyclical variations rate of in-cylinder pressure, even leading to
Catch fire, and by extension 16a, the described cranked electrode 16 that arc portion 16b, turn of bilge 16c are formed, beneficial to this;This is curved
Electrode 16 also can and function waveform piston be arranged in pairs or groups, and best wave height C takes 0.5-0.9, and wave number N takes 15-21.
As the embodiment 2 improving 2, because it is to have many sides and the electrode rolling over gap that the present invention is especially improved electrode more
12, it not only has aforesaid three parts being made up of extension 16a, arc portion 16b, turn of bilge 16c, the spacing phase with discharge electrode
Deng, thus constituting the discharging gap with discharge electrode by electrode, and the original front head of ratio, also it is particularly provided with multiple sharp notch 17,
So, it is breakdown phase in the first stage of spark-ignition process, when being conducive to electric discharge, make to have punctured the ion stream of gaseous mixture,
From being marched on towards discharge electrode by electrode.Although peak point current is big, the time of whole breakdown phase is very short, only ten microseconds, therefore multiple
Sharp notch 17 is feasible.Again because each is connected with by electrode 12 by electrode stem 10, and had many foldings by the middle part of electrode 12
Gap 18, is conducive to the second stage in spark-ignition process to be arcing phase, and the phase III in spark-ignition process
In the i.e. glow discharge stage, favorably open discharge channel, and easily make roll over gap and have more arcing passages, and easily make mixed airflow
Logical.This electrode 12 also can be only with half, and there is discharging gap its top surface and side, can the collocation of and function waveform piston.
As the embodiment 3 improving 3, it is the electrode 21 having many sides and Multiple level that the present invention is especially improved electrode, because
Its not only have aforesaid by extension 16a, this three part that arc portion 16b, turn of bilge 16c are formed, the spacing phase with discharge electrode
Deng, thus constituting the discharging gap with discharge electrode by electrode, and the original front head of ratio, also it is particularly provided with multiple sharp notch 17;
Each is connected as one with by electrode by electrode stem, is easy to manufacture;Again because the described electrode 21 having many sides and Multiple level
The two ends making discharging gap 20 at middle part have lower prominent 19, described lower prominent 19 bottom is less than discharge electrode top, its use
Place is the front having added sideflash.The transverse features of the particularly described electrode 21 having many sides and Multiple level are at least
A piece of, or be more than two panels, such as three.Preferably multi-disc, so advantageously form grid grid dot matrix effect, thus increasing
Electricity fire core and the possibility of cydariform electric discharge;Because under engine operational conditions, static ignition of mixed gas energy only needs to 0.2
MJ, the ignition of mixed gas energy of high flow velocities only needs to 3 MJs, and the energy of classic ignition system supply is more than 30 MJs,
There are 10 times amount, this feature of positive good utilisation, design the multi-disc grid grid of the present invention, in various physical fields such as aerodynamic field,
Electric field, and fluid field turbulent flow, and under the comprehensive function of electrochemistry, easily formed between grid grid micro- tremble, and favorably shrug off
Carbon deposit and favourable discharging gap form discharge channel.As the embodiment 3 improving 4, because described has many sides and Multiple level
Electrode 21 or remove single by electrode stem, its feature special feature is that have single to be had many sides and Multiple level by electrode stem
Electrode 23, so its usefulness not still material-saving, and micro- the trembling between grid grid can be formed and favorably shrug off carbon deposit
And favorably discharging gap forms discharge channel;Therefore this electrode can be with no especially raised and pit function waveform piston collocation.
As the embodiment 5 improving 5, it is to have the round basin of side and middle part to dig acute angle star that the present invention is especially improved electrode
Electrode 22, because it is characterized in that the round basin having side and middle part dug acute angle star;Basin shape is had to have top surface not only but also have side, from
And added the front of sideflash;Dig acute angle star in the middle part of it, referred to that its angle of star pawl of stretching out of star is acute angle;Its
Feature particularly acute angle, rather than right angle or obtuse angle.Or a star, or two stars, or multiple star, preferably five jiaos
Star, so being conducive to the wedge effect of discharging gap and point discharge effect and forming asymmetric multipoint random discharge channel, has
Beneficial to the possibility increasing electric discharge and removal carbon deposit, caused by the electrode of acute angle star is conducive to continuity and the turbulent flow of electric spark effect
The distortion of spark sharp side, molecule interpenetrates, and turbulent flow velocity increases.This electrode is fitted and is taken with the waveform piston having spark pit 36
Join.
There are active receiving electrode and the internal combustion engine ignition device of fine motion discharge electrode, have from fine motion function and changeable electrodes core,
With interchangeable long.Because screw thread or screw thread shape that electrode 12 and electrode shell 13 are provided with by the described inside by electrode tip shell 13
Groove mutually activity assembling, has oligodynamics, and is blocked by by electrode tip shell back-up ring 14, can change, also can work, but in order to enter
One step strengthens jiggle effect, obtains more preferably fine motion and effect of trembling, and is conducive to discharging and repels carbon deposit, as improvement 6, this
Invention be especially improved electrode 12 be have arc drum 24a by electrode tip 24, and improve by electrode tip shell 13 be have the recessed 25a of arc
By electrode tip shell 25, be aided with all of aforesaid other, becoming another money has active receiving electrode and the internal combustion of fine motion discharge electrode
Machine igniter.Rouse 24a due to by electrode tip 24, being provided with arc, and many sideshakes 24b.The arc drum 24a and recessed 25a of arc
Fine motion matches, and can have little scope of activities such as 0.1mm up and down, and meanwhile, particularly arc rouses 24a 25a recessed with respect to arc
Can rotate, so the arc recessed rotation of drum is more preferred than the screw thread of original part or screw thread shape groove, therefore during arcing its fine setting and
The trend of carbon deposition removal is more excellent;The place puncturing under first during electric discharge, at second time and be next still the position easily hit, due to
The shake of electrode and fine motion particularly rotate, for the place that two electrode last time punctured relatively, relatively-stationary electric discharge ground
Fang Huawei does not fix and avoids, so that the local displacement of multiple discharge, and discharge each time and just have electrode molecule to be translated into gas
State and be lost, therefore its usefulness is self-evident, extends the life-span of electrode and is beneficial to carbon deposition removal.The shake of electrode and micro-
Move and particularly rotate, be easy acquisition under the vibration condition in kinetic energy engine.Due to described electric discharge cartridge 11 and by electricity
The inside of cartridge 24, is analogous to by electrode tip 12, constitutes discharging gap by the basin shape of top and ring sidepiece, and have at top multiple
The wedge angle cutting out and the screw thread shape groove digging multiple ring weeks in ring sidepiece, favourable arcing.Particularly set up in discharging gap area
Many sideshakes 24b, it is characterized in that being provided with least one in described ring sidepiece, or 2, or multiple, the opening of particularly 6 insertions
Mouthful, be conducive to flowing and the discharge carbon deposit of gaseous mixture, and particularly rotate the additional air-flow of offer to shake and fine motion.Because institute
The feature of the wedge 11b of electric discharge cartridge 11 stating is that end is provided with the polygonal pyramid digging out thereon, particularly criss-cross polygonal pyramid,
Therefore be conducive to the edgetone effect of ion stream of lighting a fire;Make in the basin shape gap containing top surface and ring side of spark plug, especially local
Increased the gap of polygonal pyramid, make the position part that fiery karyomorphism becomes leave wall, have buffer cells, can avoid being stuck in
The impact of near wall residual gas, meanwhile, has coordinated the many sideshakes 24b setting up, particularly arc drum 24a is recessed with respect to arc
The rotation of 25a, be conducive to gaseous mixture wedge collide and turbulence effect, add electric discharge cartridge 11 and by electrode tip 24 fine motion and
Tremble effect, so that the absolute quantity of the gaseous mixture in gap is increased, the probability catching fire also increases, in addition, wedge collision and turbulent flow
The part being also beneficial to repel in carbon deposit molecular flow, wedge and in basin shape gap has the mixture of liquefaction tendency, not only has electric arc
The opportunity of electric discharge, and have the cydariform electric discharge of similar spark machined electric discharge, thus, its resultant effect makes spark discharge quality carry
Height, performance of operating condition is more preferably.The criss-cross polygonal pyramid of the described wedge 11b of electric discharge cartridge 11, can be utilized to put the turn of the screw
Instrument, so that the screw thread of wedge 11b or screw thread shape groove 11c is matched with electric discharge pole bar 9.Described by electrode tip 12 and be subject to electrode tip
24 cross, also can be utilized to put the instrument of the turn of the screw.The side flabellum 11a of described electric discharge cartridge 11 has complementary micro-
Transfer to and use and complementary discharge process.This electrode is suitably arranged in pairs or groups with the waveform piston having spark pit 36.Spark pit 36 increases
Seed region, air inlet pit 33 increases air inlet flowing, and exhaust pit 33 has squish to act on, and function wave helps deflagration wave and disseminates.
Because described multiple improvement are available for various types selecting, and when on probation, also can correct advance angle and regulation and control high-tension pulse
Rush parameter in the hope of more preferably.In addition the special improvement 7 proposing, is to make the positive and negative commutation of high electric field pulse and change direction, also can try out.Though
So spark-ignition process is extremely complex, and the mankind still have many aspects not clear so far, but it is understood that electricity positive and negative to putting
Electrode and the loss by electrode have Different Effects.Improving 7 is a kind of method for reducing export license, is just to make voltage x current
Negative commutation, this is not difficult to realize with electromagnetism class and electrical type circuit, for example, use astatic multivibrator and differential circuit;Commutate is secondary
Number or synchronous with engine speed, or interval, or it is spaced the commutation of some periods, it is worth improving further.Described various improvement,
All be conducive to increasing the possibility of electric discharge and remove carbon deposit and reduce export license, in practicality or special according to different types
It is to select after the angle of ignition carrys out pilot, and arrange in pairs or groups with the combustion chamber having function wave of improvement.
The present invention relates to a kind of improvement of internal combustion engine has the combustion chamber of function wave and puts with having active receiving electrode and fine motion
The matching method of the internal combustion engine ignition device of electrode;Propose combustion-chamber geometry will with engine model adaptation and with igniting
Device collocation just has the theory of preferably effect, proposes the suggestion of combustion chambers of internal combustion engines and the method for collocation of each igniter,
Function wave combustion chamber and the function wave combustion chamber with Parabolic convex-concave adaptation are also provided, are beneficial to energy-saving and emission-reduction;Described
There is multiple or multiple combination the combustion chamber having function wave, and the piston area of composition combustion chamber is function waveform or multiple combination, for example
Sine wave equation is:
SDi=C*SIN (TRAJPAR*360*N), in above formula, i is dimension figure sequence number;SIN=SINE, sinusoidal letter
Number;TRAJPAR is lopcus function;
But, for the difference of various vortex-like squish turbulent flows, computer mould to be had fits kinds of experiments, wave height C and wave number N
Arrange in pairs or groups.For example, adapted cranked electrode 16, best wave height C takes 0.5-0.9, and wave number N takes 15-21;Be conducive to gaseous mixture along waveform
Diffusion.Because the function waveform of the piston area of described combustion chamber is 32, and the function wave of the piston area in described combustion chamber
The middle part of shape 32 is provided with waveform pit 33, it is characterized in that the envelope of described pit is curve, particularly involute, or parabolic
Line;The piston of described combustion chamber is 31;And the function waveform 32 of the piston area of described combustion chamber or other functions, for example
Involute, parabola, and the round inner vortex using post coordinate system;And the piston area in the piston 31 of described combustion chamber
Function waveform 32, is provided with waveform pit 33, is additionally provided with exhaust raised 34, and is provided with air inlet pit 35, and is provided with spark pit
36, it is characterized in that:The envelope of described exhaust raised 34 is curve, particularly involute, or parabola, and its projection is being leaned on
The position of nearly exhaust valve, exhaust valve and the projection of exhaust raised 34 in other words has overlapping of part or local, projection be throwing with
On the vertical face in piston movement direction;The envelope of described air inlet pit 35 is curve, particularly involute, or parabola,
And its pit is in the position near inlet valve, inlet valve and the projection of air inlet pit 35 in other words has partly or the overlapping of local,
Projection is to throw on the face vertical with piston movement direction;The envelope of described spark pit 36 is curve, particularly gradually opens
Line, or parabola, and its pit is in the position near spark plug, the projection of spark plug and spark pit 36 in other words have part or
The coincidence of local, projection is to throw on the face vertical with piston movement direction, so exhaust raised 34, when air bleeding valve closes, has
Squish effect.Air inlet is from pouring combustion chamber the ring week of intake valve, and has part to form the inverse time on the Northern Hemisphere in air inlet pit 35
Pin is vortexed, and strengthens mixing effect;After intake valve closure, partial-air admission forms little vortex in spark pit 36, favorably igniting and fire
The diffusion of core;The function waveform 32 of piston area further improves the distribution of shock wave and the proximity of the Fourier Series of propagation
And uniformity.
Because as improving, so that general, on the function waveform 32 of the piston area of the piston 31 of described combustion chamber, if
There is waveform pit 33, be additionally provided with exhaust raised 34, and be provided with air inlet pit 35, and spark pit 36, and it is vented projection 34, and
Air inlet pit 35, and the envelope of spark pit 36 is all curve, particularly involute, or parabola;And described exhaust
Raised 34, and air inlet pit 35, and the position of spark pit 36 is that trisection is uniform according to piston centre, substantially manages from it
Think that the band of position is not far, therefore also have suitable effect.
Input CNC machining center with described equation again, with the punching block of CIMATRO or MASTCAM pack alloy,
Or use milling machine, planer and spark machined;When using spark machined, input CNC machining center with described equation, then will be first
Make tungsten copper electrode;Again with there being the die casting machine batch production of cold pressing chamber or hot pressing room;Machine again.Piston multipurpose material is that aluminium closes
Golden ZL109, or AC8A.As racing car or military vehicle under the conditions of high-end, piston is led near the material of combustor surface or with height
Hot material such as silver alloy;Or with exotic material such as silver-colored tungsten-copper alloy, or even with special highly heat-conductive material such as rhinestone.
Beneficial effects of the present invention and purpose are energy-saving and emission-reduction, are conducive to removing carbon deposit and reduce loss, and function ripple fires
Burn room collocation and improve efficiency, improvement combustion chamber operating mode, and it is available for various types selections.But the invention that the mankind aspire after perfection is forever
Endless, piston also has very big potentiality can dig.The so-called best geometry of combustion chamber and piston is no doubt important, but will and send out
Motivation type is adapted to and is arranged in pairs or groups with igniter, just has preferably effect.Particularly two-stroke gasoline engine compares four-stroke gasoline engine
Fuel economy worse, hydrocarbon emission Chang Chaobiao in tail gas.Combustion chambers of internal combustion engines and piston and and igniter
Collocation, be a hard nut to crack being related to energy-saving and emission-reduction.Again in piston skirt plus double auxiliary skirt rims, finally there is reduction of discharging up to standard
Effect.
A kind of petrol engine reducing hydrocarbon emission in piston skirt plus double auxiliary skirt rims, containing piston, Yi Jigong
The combustion chamber known, spark plug, cylinder cap, cylinder barrel, connecting rod, crankcase, lubricating oil pump, lubricating system, fuel system, ignition system, cold
But system, is characterized in that:The skirt section of described piston (31) is equipped with double auxiliary skirt rims (37);Described double auxiliary skirt rims (37) be
On the basis of former two shirt rims of the bilateral not having connecting rod pin-and-hole retaining original piston, and there is link pin in the skirt section of piston (31)
The bilateral in hole following, often add one auxiliary shirt rim, can be described as double auxiliary skirt rims (37);Described double auxiliary skirt rims, it contains
Base (38), lower fillet (39), side (40), upper fillet (41), the through hole on the concave arc side (42), piston and double auxiliary skirt rims on base
(43), it is conducive to auxiliary guiding, auxiliary fall row, and lubrication assistant and radiating;Described double auxiliary skirt rims or use aluminium alloy, directly
Die casting is integrated;Or with for example highly dense plastics of composite or micropore ceramics, to reduce cylinder prepareding gap, auxiliary guiding, also wear-resisting.
Each auxiliary shirt rim and described former two shirt rims of described double auxiliary skirt rims (37) are all along all cylindrical of outside piston
Extend, and its projection throwing is along the outside piston week quartering on the face vertical with piston movement direction, if by 1234 along circle
In week, former two shirt rims are 1,3;Auxiliary shirt rim is 2,4;Add radiating surface.Each of described double auxiliary skirt rims (37) assists skirt
While than described former two shirt rims along outside piston week cylinder body extension longer that is to say, that the base (38) of double auxiliary skirt rims
More farther apart from connecting rod pin-and-hole on the direction along the cylinder extended line of piston than the base of former two shirt rims, that is, double auxiliary skirt rims are more
Height, piston and skirt section are longer, and its effect is advantageous for the guiding length of lengthened piston and assists guiding.Described double auxiliary skirt rims
(37) both sides are provided with the side (40) of double auxiliary skirt rims, and it connects the base (38) of piston (31) and double auxiliary skirt rims;Double auxiliary skirt rims
Slightly as inverted trapezoidal, be conducive to intensity.The both sides of described double auxiliary skirt rims (37), are provided with the bottom connecting piston (31) and double auxiliary skirt rims
The side (40) of the double auxiliary skirt rims on side (38), the angle of the side (40) of its both sides is more than 100 degree.Described double auxiliary skirt rims (37)
Both sides be provided with the side (40) of double auxiliary skirt rims, it is the upper fillet (41) of the side by double auxiliary skirt rims connecting piston (31)
's.The both sides of described double auxiliary skirt rims (37) are provided with the side (40) of double auxiliary skirt rims, and it is by under the side of double auxiliary skirt rims
Fillet (39) is connecting the base (38) of double auxiliary skirt rims.Concave arc side (42) is set on the described base of double auxiliary skirt rims (37);Institute
The concave arc side (42) stated or circular arc, or involute, or parabola, or other functions, play turbulent flow with profit and sweep residual effect
Answer and assist fall row.Through hole (43) is set in described double auxiliary skirt rims (37), or pit, with sharp lubrication assistant and radiating.Described
Double auxiliary skirt rims (37) are upper and piston is provided with multiple through holes (43), and it is in slightly that del arranges, and has multiple rows of, the most descending through hole
Few, more more toward up through hole, with sharp lubrication assistant and radiating.Tentatively reach the effect requiring, generally discharge value was originally
60-70, does not reach 50 numbers up to standard;It is now 49, reach.A kind of embodiment, engine testing conditions and data:
The emissions data of the engine of double auxiliary skirt rims is added under above-mentioned testing conditions:
Finally be worth the discharge value being often taken as hydrocarbon, mark one is 50, plus double auxiliary skirt rims just can pass through up to standard.
This returning in piston skirt logarithmic differentiation isogonal line shirt rim turbulent flow alters the petrol engine that fall is arranged, and is that practice is touched for many years
Rope goes out, and is also the crystallization of domestic and foreign experience, its usefulness be advantageous for the guiding length of lengthened piston and assist guiding with
Be allowed to good, it two is that favourable booster action reduces hydrocarbon emission in gaseous mixture, its three be favourable lubrication assistant and
Radiating.
Specifically, the function waveform of the present invention may also be employed other waveforms, for example other multiple mathematics
Function or the slightly round and smooth waveform of other non-precipitous broken line.
Silkworm in spring to dead silk not to the utmost, is improved invention and has no limits;Wear out iron shoes and on a rare occasion obtain, clino-diagonal is warded off in energy-saving and emission-reduction.The present invention relates to
And the combustion chamber in a kind of combustion apparatus and igniter, especially internal combustion engine improvement have function wave combustion chamber and with
On the basis of having active receiving electrode and the collocation of internal combustion engine ignition device of fine motion discharge electrode, and in piston skirt plus double auxiliary skirt
On the basis of side reduces the petrol engine of hydrocarbon emission, further improved band scavenging road junction wedge turbulent flow returns alters piece
Reduce the two-cycle gasoline engine of discharge, be further improved to piston skirt logarithmic differentiation isogonal line shirt rim turbulent flow time and alter fall
The petrol engine of row, belongs to combustion chamber and additional turbulence scavenging and the technical field reducing discharge of internal combustion engine.The present invention's
Beneficial effect and purpose are energy-saving and emission-reduction, are conducive to removing carbon deposit and reduce loss;Arrange in pairs or groups and improve effect in and function ripple combustion chamber
Rate, improvement combustion chamber operating mode, in piston skirt plus double auxiliary skirt rims, have and reduce discharging effect up to standard, and be available for various types and select.But
The invention that the mankind aspire after perfection is endless, and piston and scavenging also have very big potentiality can dig.Combustion chamber and piston so-called
Best geometry is no doubt important, but will arrange in pairs or groups with engine model adaptation and with igniter, just has preferably effect.Especially
It is that two-stroke gasoline engine is more worse than the fuel economy of four-stroke gasoline engine, the hydrocarbon emission Chang Chaobiao in tail gas;Interior
Combustion engine combustion chamber and piston and the collocation with igniter and scavenging, are hard nut to cracks being related to energy-saving and emission-reduction.As
Fruit is said, to reduce the petrol engine of hydrocarbon emission in piston skirt plus double auxiliary skirt rims, to have an unexpected effect, just
It is to say 60 grams drop to 49 grams and 50 grams of target embodiments can be reached of discharge;So, band scavenging road junction wedge turbulent flow returns and alters piece
Reduce discharge two rush petrol engine, even more have unexpected reduction of discharging effect up to standard, not only can reach 50 grams of marks, and can drop
To 39.9 grams.
The two-cycle gasoline updating the perfect described gas stratiform scavenging making precombustion in scavenging passage draws
Hold up, it is characterized in that:Upper each symmetrically left and right each one in scavenging road junction (45) that the described symmetrical left and right in cylinder body (44) has
Fourier function breach (53j) that is provided with of the top of scavenging air belt partition wall (53) that is provided be to retouch containing being approximately imitative fourier series
The Fourier sine odd function drawn and the blow vent of the approximate wave as only single circular frequency.
The two-cycle gasoline updating the perfect described gas stratiform scavenging making precombustion in scavenging passage draws
Hold up, it is characterized in that:Upper each symmetrically left and right each one in scavenging road junction (45) that the described symmetrical left and right in cylinder body (44) has
Fourier function breach (53j) that is provided with of the top of scavenging air belt partition wall (53) that is provided be S-shaped blow vent.
The present invention relates to energy-saving and emission-reduction, it is that the two-cycle gasoline of the gas stratiform scavenging making precombustion in scavenging passage draws
Hold up;Die sinking is approximately the multiple of the frequency spectrum gradually decayed copying fourier series to draw and becomes close spike from diminishing greatly from thin,
What mathematical physics was described should be the high level overview of many actual phenomenons, engine blow-through air turbulent motion rule also should not make an exception and
Surmount completely, also should have some similar or inherent related or bring out the best in each other and ought more or less use for reference it;Fourier function breach
(53j) and high-wall transition flex point (54j) its be approximately gibbs overshoot convergence ripple i.e. imitate fourier series ground gibbs overshoot
What phenomenon was drawn gradually approach rectangle transition ripple and to be approximately having of the frequency spectrum gradually decayed that imitative fourier series are drawn many
Individual from diminishing greatly from the thin fluctuating convex-concave (54k) becoming close spike;So that shaping cylinder body Idiotype body such as mainstay and shadow
Ring air-flow.Have imitative higher mathematics function has fair line and guiding and damping characteristic comprehensively to noise high frequency band, pressure rise
More favourable than, compression ratio.Compression ratio is exactly the degree that engine mixed gas body is compressed, with the cylinder total volume before compression and compression
The ratio of volume of cylinder (i.e. combustion chamber volume) afterwards is representing.Compression ratio and engine performance have much relations, common low pressure
Compression ratio refers to compression ratio below 10, and, more than 10, comparatively compression ratio is higher for high compression ratio, and the power of engine is just
Bigger.The tool of the described two-cycle gasoline engine of gas stratiform scavenging making precombustion in scavenging passage increases a left side for compression ratio
The pit of the blow vent of right case is of different sizes, the pit of the described blow vent (51b) of left box body contain left prism (51g),
Left straight sided (51y) and left broad side surface (51h);The pit of the blow vent (52b) of described right case contain right prism (52g),
Right straight sided (52y) and right broad side surface (52h);Described left prism (51g) and the composition surface Ji Gang center subdivision of left box body
The angle in face is 59-60 degree to the left;The angle of the composition surface Ji Gang center split surface of described left straight sided (51y) and left box body
It is 89-90 degree;Described right prism (51g) is 60-61 to the right with the angle of the composition surface Ji Gang center split surface of right case
Degree;Described right straight sided (51y) is 90-91 degree with the angle of the composition surface Ji Gang center split surface of right case;A described left side
Broad side surface (51h) is arcwall face, and described right broad side surface (52h) is also arcwall face, or the arc of one section of composition of logatithmic spiral
Shape face.Described right double auxiliary blow vents of the air-cooled 1E33F type of the cylinder diameter φ 33 of its single-cylinder double stroke in two stroke engine
(52b) length and width of the volume of pit are a height of to be not more than 18.7x3.3x6.7mm.It is in the single-cylinder double stroke of two stroke engine
The length and width of the volume of pit of described right double auxiliary blow vents (51b) of the air-cooled 1E33F type of cylinder diameter φ 33 a height of be not more than
13x2.2x5.5mm.The two stroke engine of right case and function Fourier piece wall that tool increases compression ratio has narrowed local to be held
Long-pending, increase local air flow pressure and flow velocity and additional turbulence is returned and altered and favorably drop row.
The present invention relates to energy-saving and emission-reduction, it is that the two-cycle gasoline of the gas stratiform scavenging making precombustion in scavenging passage draws
Hold up, its cylinder body (44) contain blow vent (44a), enter gas port (44b), left and right each pair claim enter air scoop (44c), left and right each
Symmetrical the first scavenging port (44d), each pair second scavenging port (44f) of claiming of left and right, the outside of the envelope high-wall of closing is not leaned on
Piston cylinder and lean on the side of scavenging air belt to be shaped form, and coexist with the technique butt strip (55) in the outer portion at the scavenging road junction of cylinder body,
Technique butt strip (55) contains interval stupefied (55g), interval breach (55e), the first scavenging side wall (55d), the second scavenging side wall (55d),
Three mounting hole site and special-shaped packing, and it is formed with the scavenging road junction of cavity, piston (31) is provided with around each one gas storage pit
(31a), described gas storage pit its slightly resemble a pear in shape, have concentric reducer, less at the piston pin axle bed, its away from piston pin axle bed at
Larger, the crosscutting hatching (31b) of described gas storage pit is curve, the section of the crosscutting hatching (31b) of described gas storage pit
Thickness be more than 2mm, the curve of the crosscutting hatching (31b) of described gas storage pit is the equipotentiality streamline of family of parabolas, its streamline
One section be imitate Method of Mathematical Physics the analytical function of the harmonic function meeting Laplace's equation of flow function throwing
The quadratic function of Wu Xian race, is conducive to gas storage scavenging.The equipotentiality streamline of family of parabolas and tool logatithmic spiral there is imitative high number
Mathematic(al) function have fair line and guiding and a damping characteristic, comprehensive to noise high frequency band, rate of explosion, compression when layered scavenging
Favorably.The upper top of the second scavenging side wall (55d) of described technique butt strip (55) be family of parabolas quadratic function curve so that
Lean on the quadratic function curve shape coexistence of the equipotentiality streamline of the family of parabolas of the side of scavenging air belt with the outside of described envelope high-wall (44e)
And form the second scavenging road junction.Or curve family of parabolas and logatithmic spiral use instead.Second scavenging side wall of technique butt strip (55)
(55d) upper top is that the side of scavenging air belt is leaned in the outside of curve itself and the described envelope high-wall (44e) of tool logatithmic spiral equipotentiality streamline
Logatithmic spiral equipotentiality streamline shaped form coexistence and form the second scavenging road junction.Or curve family of parabolas equipotentiality streamline, or
Family of parabolas and logatithmic spiral adapted.Adapted is:The upper top of the first scavenging side wall (55d) of described technique butt strip (55) is right
The logatithmic spiral equipotentiality streamline of the side of scavenging air belt is leaned in the outside of curve itself and the described envelope high-wall (44e) of number helical equipotentiality streamlines
Shaped form coexistence and form the first scavenging road junction;Meanwhile, the second scavenging side wall (55d) of described technique butt strip (55) upper
Top be quadratic function curve itself and the described envelope high-wall (44e) of family of parabolas outside lean on scavenging air belt side family of parabolas
The quadratic function curve shape of equipotentiality streamline coexists and forms the second scavenging road junction and make in the hope of the comprehensive guiding of the guide to gas storage scavenging
With.
With reference to higher mathematics Method of Mathematical Physics in the equipotentiality streamline of family of parabolas quadratic function curve shape, to point
The flow direction of many gas storage of layer gas storage piston has directive significance.The side parabolic of scavenging air belt is leaned in the outside of described envelope high-wall (44e)
The equipotentiality streamline of line race, can use CNC digital control processing.One section of scavenging air belt logatithmic spiral also can use CNC digital control processing, logarithm spiral shell
Line is its tool pressure angle of equiangular spiral advantage equal everywhere, is conducive to the air motion of scavenging air belt.Two scavenging air belt interworkings, the
Sweep its tool pressure angle of gas port equiangular spiral equal everywhere, and the two of the equipotentiality streamline of the second scavenging road junction family of parabolas
Secondary function curve shape, the Method of Mathematical Physics that higher mathematics is imitated at scavenging road junction is R&D direction, should with the test of high number scientific guidance
It is better than blindness is gathered together.What mathematical physics was described should be the high level overview of many actual phenomenons, and engine blow-through air rule is not yet
Should make an exception.
The two-cycle gasoline updating the perfect described gas stratiform scavenging making precombustion in scavenging passage draws
Hold up, it is characterized in that:Described cylinder body (44) is provided with multiple reinforcement radiatings in flakes (44x, 44v) between its multiple fin;And institute
The cylinder body (44) stated is provided with insertion louvre (44j) in the cross-sectional direction of exhaust outlet;And the air inlet in described cylinder body (44)
The cross-sectional direction of mouth is also provided with straight-through louvre (44k), therefore often there is improvement at the place of ignoring in people.
The present invention relates to energy-saving and emission-reduction, it is that the two-cycle gasoline of the gas stratiform scavenging making precombustion in scavenging passage draws
Hold up, its cylinder body (44) contain blow vent (44a), enter gas port (44b), left and right each pair claim enter air scoop (44c), left and right each
Symmetrical the first scavenging port (44d), each pair second scavenging port (44f) of claiming of left and right, the outside of the envelope high-wall of closing is not leaned on
Piston cylinder and lean on the side of scavenging air belt to be shaped form, and coexist with the technique butt strip (55) in the outer portion at the scavenging road junction of cylinder body,
Technique butt strip (55) contains interval stupefied (55g), interval breach (55e), the first scavenging side wall (55d), the second scavenging side wall (55d),
Three mounting hole site and special-shaped packing, and it is formed with the scavenging road junction of cavity, piston (31) is provided with around each one gas storage pit
(31a).The equipotentiality streamline of family of parabolas and tool logatithmic spiral there is imitative higher mathematics function have fair line and guiding and resistance
Damping characteristics are comprehensive, and to noise high frequency band, rate of explosion, compression, when layered scavenging is favourable.
Its feature of two-cycle gasoline engine adding filter screen valve control pre-burning scavenging in scavenging passage is, its essence is
Near piston top dead center, before the ignition of mixed gas of compressed piston upper in cylinder, due to moving in piston train of dress portion
And so that the preparation air entry in latch-release cylinder is opened, suck the gaseous mixture of fuel and air in the crankcase below piston;Again
Due to the pressure of the burning gases of the piston upper of igniting generation, piston moves to bottom dead centre direction from top dead-centre and simultaneously closes off
Air entry, the gaseous mixture in compression crankcase, in the piston upper of bottom dead center-nearby, make the burning in cylinder from opening and closing exhaust outlet
Gas to outdoor gas discharge while, the scavenging path being connected with cylinder by crankcase, in piston upper latch-release cylinder
In by preparation scavenging port gaseous mixture is imported to the two cycle engine in cylinder from crankcase;The design has the gas with crankshaft-synchronous
Door gear, this valve is from crankcase to cylinder scavenging mouth, and the crankcase side of scavenging path is configured to normally closed;Lead in scavenging
When the valve-closing of the crankcase side on road, the gaseous mixture in scavenging path is allowed to burning of igniting, HC by the flame of combustion gas
After reducing again from crankcase to scavenging port, the crankcase side of scavenging path is allowed to opening, in the burning mixing of scavenging path
While pneumatic transmission goes out, close exhaust outlet before exhaust outlet is discharged in the gaseous mixture in crankcase, here it is making the discharge of HC
The two cycle engine substantially reducing;Solved in former structure, and the valve of the above-mentioned bent axle same period, because not being designed, fires
If after burning the flame extinction of gas, scavenging port is not also opened, the flame of burning gases can make in scavenging path and crankcase
Gaseous mixture ignition, makes gaseous mixture cannot supply into cylinder, and the opening of exhaust outlet will make the opening of scavenging port cross early stage unlatching,
Exhaust outlet in cylinder and scavenging port at the same time opening when, the unblended mixture in crankcase and in scavenging path is from exhaust outlet
Enter in cylinder, so a part for gaseous mixture is discharged from exhaust outlet in the state of unburned, become in discharge gas
The problem that gaseous mixture (i.e. HC) increases;The present invention is outside described air entry exhaust outlet scavenging port, after crankcase scavenging,
Add opening and closing valve in the crankcase side of scavenging path, the gaseous mixture in scavenging path is ignited in the flame of combustion gas and fired
Burn, and be that the valve of synchronizing cycle can be truncated according to bent axle in scavenging path and crankcase, so the mixing in crankcase
Gas will not burn, simultaneously the combustion gas in scavenging path when the valve openings with the crankshaft-synchronous cycle, in crankcase
Gaseous mixture can be extruded out in cylinder, the initial stage in exhaust outlet and scavenging port opening simultaneously, the burning in scavenging path
Gas is fed in cylinder, and will not adulterate in the exhaust gas being discharged from exhaust outlet to outside HC, will close in exhaust outlet
When closing, the unblended mixture continuing in the spent gaseous mixture in scavenging path in crankcase is fed in cylinder, institute
Minimizing can be controlled with the HC amount of doping in exhaust gas.The described valve gear having with crankshaft-synchronous, is on bent axle (57)
Plus the c-type circle (56a) of crank valve (56), described c-type circle has a bit of opening, when a bit of opening of described c-type circle is with bent axle
Rotation, and the connection oral area of crankcase of the scavenging passage of latch-release cylinder and formed, thus be formed in scavenging passage adding
The two-cycle gasoline engine of screen net valve control pre-burning scavenging.
Improve further and the perfect described two-stroke vapour adding filter screen valve control pre-burning scavenging in scavenging passage
Oily engine, it is characterised in that the described valve gear having with crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) C
The oral area of connection crankcase of the rotation of type circle (56a) and the scavenging passage of latch-release cylinder and formed, described c-type circle cylindrical
Gap (56 δ) between the oral area of connection crankcase of the scavenging passage of cylinder apart from engine 1 E 34F for the external diameter of circle exists
0.01-0.06 millimeter;It is further characterized in that, the described valve gear having with crankshaft-synchronous, be bent axle (57) is upper plus bent axle
The oral area of connection crankcase of the rotation of c-type circle (56a) of valve (56) and the scavenging passage of latch-release cylinder and formed, described C
Two sides of a bit of opening of type circle to the bent axle center of circle central angle in 80-96 degree.
Usefulness of the present invention:It is near piston top dead center, the gaseous mixture of compressed piston upper in cylinder
Before igniting, the preparation air entry in latch-release cylinder is made to open due to moving in piston train of dress portion, in the crankcase below piston
Suck the gaseous mixture of fuel and air;Its effect is to make exhaust HC measure to reduce.
Design key is that piston moves and simultaneously close off to bottom dead centre direction air entry from top dead-centre, i.e. piston length and vapour
In cylinder, gas port distance matches, and this contemplates on the diagram mark of being just not difficult and arrives, and processing is not also difficult to apply, and its effect is to make exhaust HC measure to subtract
Few.
Described in the two-cycle gasoline engine of plus-pressure crank valve control pre-burning scavenging under the improved passage in scavenging having with
The valve gear of crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) c-type circle (56a), the c-type of described crank valve (56)
Enclose two sides having a bit of opening and be set to the wedge circle (56b) at oblique angle, when its a bit of opening two sides have oblique angle
Side with bent axle rotate, latch-release cylinder scavenging passage connection crankcase oral area when be formed for shear flow and reduction
The effect of mutation impact, thus be formed at the two-cycle gasoline engine adding gap crank valve control pre-burning scavenging in scavenging passage.
Improve further and perfect described plus-pressure crank valve control pre-burning scavenging under scavenging passage two-stroke vapour
Oily engine, it is characterised in that the described valve gear having with crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) C
The oral area of connection crankcase of the rotation of type circle (56a) and the scavenging passage of latch-release cylinder and formed, described c-type circle cylindrical
Gap (56 δ) between the oral area of connection crankcase of the scavenging passage of cylinder apart from engine 1 E 34F for the external diameter of circle exists
0.01-0.06 millimeter.
Improve further and perfect described plus-pressure crank valve control pre-burning scavenging under scavenging passage two-stroke vapour
Oily engine, it is characterised in that the described valve gear having with crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) C
The oral area of connection crankcase of the rotation of type circle (56a) and the scavenging passage of latch-release cylinder and formed, the one of described c-type circle is little
Section opening two sides to the bent axle center of circle central angle in 79-97 degree.
Improve further and perfect described plus-pressure crank valve control pre-burning scavenging under scavenging passage two-stroke vapour
Oily engine, it is characterised in that the described valve gear having with crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) C
The oral area of connection crankcase of the rotation of type circle (56a) and the scavenging passage of latch-release cylinder and formed, on described bent axle (57)
It is to match with a bit of opening of the described c-type circle (56a) adding crank valve (56) to be provided with c-type edge (57a).
Improve further and perfect described plus-pressure crank valve control pre-burning scavenging under scavenging passage two-stroke vapour
Oily engine, it is characterised in that the described valve gear having with crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) C
The oral area of connection crankcase of the rotation of type circle (56a) and the scavenging passage of latch-release cylinder and formed, on described bent axle (57)
It is corresponding with a bit of opening of the described c-type circle (56a) adding crank valve (56) and passes through one to be provided with c-type edge (57a)
Individual location hole, or an alignment pin, or positioning sleeve to be realizing coordinating, and fixed with three screws.
Improve further and perfect described plus-pressure crank valve control pre-burning scavenging under scavenging passage two-stroke vapour
Oily engine, it is characterised in that the described valve gear having with crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) C
Type circle (56a), two sides that the c-type circle of described crank valve (56) has a bit of opening are set to the wedge circle (56b) at oblique angle, institute
State in its every side bent axle of oblique angle that two sides of a bit of opening of wedge circle (56b) of the c-type circle of crank valve (56) are provided with
The angle of axis in 5-27.5 degree, when the side having oblique angle of two sides of a bit of opening of the wedge circle (56b) of described c-type circle
While with bent axle rotation, in the oral area of the connection crankcase of the scavenging passage of latch-release cylinder, being formed for shear flow and slow fall be prominent
Become the effect of impact.
Improve further and perfect described plus-pressure crank valve control pre-burning scavenging under scavenging passage two-stroke vapour
Oily engine, it is characterised in that the described valve gear having with crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) C
Type circle (56a), two sides that the c-type circle of described crank valve (56) has a bit of opening are set to the pressure coil (56f) at oblique angle, when
The logatithmic spiral side of two sides of a bit of opening of described pressure coil rotates with bent axle, in the scavenging passage of latch-release cylinder
It is formed for the pressure angle logatithmic spiral impact air-flow of properties equivalent and the effect of buffering everywhere during the oral area of connection crankcase.
Technological innovation in scavenging passage plus filter screen valve control pre-burning scavenging two-cycle gasoline engine it is characterized in that,
The innovation is near piston top dead center, before the ignition of mixed gas of compressed piston upper in cylinder, due to piston skirt
Move in pendulum portion and so that the preparation air entry in latch-release cylinder is opened, suck the mixed of fuel and air in the crankcase below piston
Close gas;The pressure of the burning gases of the piston upper again being produced due to igniting, piston is mobile simultaneously to bottom dead centre direction from top dead-centre
Simultaneously close off air entry, the gaseous mixture in compression crankcase, in the piston upper of bottom dead center-nearby, make cylinder from opening and closing exhaust outlet
Interior burning gases to outdoor gas discharge while, the scavenging path being connected with cylinder by crankcase, in piston upper
In latch-release cylinder, gaseous mixture is imported to by the two cycle engine in cylinder by preparation scavenging port from crankcase;The design has and bent axle
Synchronous valve gear, this valve is from crankcase to cylinder scavenging mouth, and the crankcase side of scavenging path is configured to normally closed;
When the valve-closing of the crankcase side of scavenging path, the gaseous mixture in scavenging path is allowed to ignite by the flame of combustion gas
Burning, HC reduces later again from crankcase to scavenging port, and the crankcase side of scavenging path is allowed to opening, in the burning of scavenging path
While being sent with gaseous mixture, closed exhaust outlet in the gaseous mixture in crankcase before exhaust outlet is discharged, here it is making HC
The two cycle engine that substantially reduces of discharge;Solved in former structure, and the valve of the above-mentioned bent axle same period because not by
Design, if after the flame extinction of burning gases, scavenging port is not also opened, the flame of burning gases can make scavenging path and song
Gaseous mixture ignition in axle box, makes gaseous mixture cannot supply into cylinder, the opening of exhaust outlet will make the opening mistake of scavenging port
Early stage opens, the exhaust outlet in cylinder and scavenging port at the same time opening when, the unburned mixing in crankcase and in scavenging path
Gas enters in cylinder from exhaust outlet, so a part for gaseous mixture is discharged from exhaust outlet in the state of unburned, becomes row
Go out the problem that the gaseous mixture in gas (i.e. HC) increases;The present invention is outside described air entry exhaust outlet scavenging port, in song
After axle box scavenging, add opening and closing valve in the crankcase side of scavenging path, the gaseous mixture in scavenging path is in the fire of combustion gas
Ignite in flame and burn, and be that the valve of synchronizing cycle can be truncated according to bent axle in scavenging path and crankcase, thus bent
Gaseous mixture in axle box will not burn, simultaneously the combustion gas in scavenging path with the valve openings in crankshaft-synchronous cycle when
Wait, the gaseous mixture in crankcase can be extruded out in cylinder, the initial stage in exhaust outlet and scavenging port opening simultaneously, scavenging
Burning gases in path are fed in cylinder, and will not adulterate in the exhaust gas being discharged from exhaust outlet to outside HC,
When exhaust outlet will be closed, the unblended mixture continuing in the spent gaseous mixture in scavenging path in crankcase is supplied to
To in cylinder, so the HC amount of doping can control minimizing in exhaust gas;The described valve gear having with crankshaft-synchronous, be
The upper c-type circle (56a) adding crank valve (56) of bent axle (57), the c-type circle of described crank valve (56) has two sides of a bit of opening
It is set to the wedge circle (56b) at oblique angle, when the side having oblique angle of two sides of its a bit of opening rotates with bent axle, in opening and closing
It is formed for shearing and reduce the effect of mutation impact during the oral area of connection crankcase of the scavenging passage of cylinder;Described in scavenging
Add the two-cycle gasoline engine of noise control filter screen valve control pre-burning scavenging in passage, be further characterized in that, described has and crankshaft-synchronous
Valve gear, be upper in bent axle (57) plus two sides of a bit of opening of c-type circle (56a) of crank valve (56) are provided with oblique angle
Pressure coil (56f), when a bit of opening of described pressure coil two sides logatithmic spiral side with bent axle rotate, opening and closing
The scavenging passage of cylinder connection crankcase oral area when be formed for pressure angle everywhere properties equivalent logatithmic spiral impact air-flow
And the effect of buffering;The wedge (11b) of the filter screen (58) in scavenging passage is located at described technique butt strip (55) side;In described work
It is provided with catalyst volume (59) of reduction of discharging, its platiniferous rhodium indium in the scavenging passage on skill butt strip (55) side, have catalyst to imitate to flowing through gas
Answer and noise control filters regulating and controlling effect, have regular hour difference and isolation and noise elimination adjustment effect, slow down HC to scavenging passage
The discharge of exhaust outlet, thus be formed at the engine adding catalyst in scavenging passage;Improve perfect described leading in scavenging further
In road plus noise control filter screen valve control pre-burning scavenging two-cycle gasoline engine it is characterised in that the described gas having with crankshaft-synchronous
Door gear, is the connection above adding the rotation of the c-type circle (56a) of crank valve (56) and the scavenging passage of latch-release cylinder in bent axle (57)
The oral area of crankcase and formed, the scavenging of the external diameter of the outer circle of the described c-type circle cylinder apart from engine 1 E 39 F is led to
Gap (56 δ) between the oral area of connection crankcase in road is in 0.02-0.09 millimeter;Described adds noise control filter in scavenging passage
The two-cycle gasoline engine of net valve control pre-burning scavenging, it is characterised in that the described valve gear having with crankshaft-synchronous, is in song
Axle (57) goes up the oral area of the rotation of c-type circle (56a) adding crank valve (56) and the connection crankcase of the scavenging passage of latch-release cylinder
And formed, the central angle of two sides of a bit of opening of described c-type circle to the bent axle center of circle is in 82-95 degree.
Improve further and the perfect described two-stroke vapour adding noise control filter screen valve control pre-burning scavenging in scavenging passage
Oily engine, it is characterised in that the described valve gear having with crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) C
The oral area of connection crankcase of the rotation of type circle (56a) and the scavenging passage of latch-release cylinder and formed, on described bent axle (57)
It is to match with a bit of opening of the described c-type circle (56a) adding crank valve (56) to be provided with c-type edge (57a).
Improve further and the perfect described two-stroke vapour adding noise control filter screen valve control pre-burning scavenging in scavenging passage
Oily engine, it is characterised in that the described valve gear having with crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) C
The oral area of connection crankcase of the rotation of type circle (56a) and the scavenging passage of latch-release cylinder and formed, on described bent axle (57)
It is corresponding with a bit of opening of the described c-type circle (56a) adding crank valve (56) and passes through one to be provided with c-type edge (57a)
Individual location hole, or an alignment pin, or positioning sleeve to be realizing coordinating, and fixed with three screws.
Improve further and the perfect described two-stroke vapour adding noise control filter screen valve control pre-burning scavenging in scavenging passage
Oily engine, it is characterised in that the described valve gear having with crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) C
Type circle (56a), two sides that the c-type circle of described crank valve (56) has a bit of opening are set to the wedge circle (56b) at oblique angle, when
The side at oblique angle of having of two sides of a bit of opening of described c-type circle rotates with bent axle, in the scavenging passage of latch-release cylinder
The effect being formed for shear flow and reducing mutation impact during the oral area of connection crankcase.The a bit of opening of wedge circle (56b)
The angle of the axis of its every side bent axle of oblique angle that is provided with of two sides in 5-27.5 degree;Be further characterized in that, described have with
The valve gear of crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) c-type circle (56a), the c-type of described crank valve (56)
Enclose the pressure coil (56f) that two sides having a bit of opening are set to oblique angle, when the both sides of a bit of opening of described pressure coil
The logatithmic spiral side on side rotates with bent axle, is formed for pressure in the oral area of the connection crankcase of the scavenging passage of latch-release cylinder
The angle logatithmic spiral impact air-flow of properties equivalent and the effect of buffering everywhere;It is further characterized in that, in described scavenging passage
Filter screen (58) is located at described technique butt strip (55) side, and the filter screen in described scavenging passage is to be woven by many wire longitude and latitude
Form, have filtration regulating and controlling effect to breathing between gas and crankcase in cylinder;The wedge (11b) of the noise control filter screen in scavenging passage sets
On described technique butt strip (55) side, the discharge of the exhaust outlet to scavenging passage for the ingenious HC slowing down crankcase virgin gas.
Usefulness:The present invention relates to energy-saving and emission-reduction, it is to add the two of catalyst filter screen valve control pre-burning scavenging in scavenging passage
Cycle gasoline engine, if the valve gear with crankshaft-synchronous, is provided with the pressure coil (56f) of logarithm, forms pressure angle equal everywhere
The logatithmic spiral of characteristic affects the effect of air-flow and buffering;The wedge (11b) of the noise control filter screen in scavenging passage is located at described work
Skill butt strip (55) side, described wedge (11b) is multiple hollow six prismatic, and top has aperture, and the advanced wedge of air-flow compresses, then from
The effusion of wedge aperture expands;It is provided with catalyst volume (59) of reduction of discharging, its platiniferous rhodium in the scavenging passage on technique butt strip (55) side
Indium, has catalyst effect and noise control to filter regulating and controlling effect to flowing through gas, has regular hour delay difference and isolation and noise elimination effect
And obstruction adjustment effect, the ingenious discharge slowing down pneumatic noise and HC.
With the right crooked wheel axle box of polyisocyanate hole partition wall with the two stroke engine of turbulent scavenging, containing left box body, right case, work
Plug, combustion chamber, spark plug, gray iron, cylinder barrel, connecting rod, crankcase, lubricating oil pump, lubricating system, fuel system, igniting system
System, cooling system, described cylinder body (44) is on the cylinder chamber of the dress piston of two stroke engine along about be symmetrically provided with
Some scavenging road junctions (45) are that is, on the scavenging road junction (45) that the symmetrical left and right of described cylinder body (44) has, each symmetrical
About ground, each ground is provided with wedge turbulent flow time and alters piece (46);The skirt section of described piston is equipped with double auxiliary skirt rims (37);Described
Double auxiliary skirt rims (37) are on the basis of retaining former two shirt rims of the bilateral there be not connecting rod pin-and-hole of original piston, and in piston (31)
The bilateral having connecting rod pin-and-hole in skirt section following, often add an auxiliary shirt rim, so referred to as double auxiliary skirt rims (37);
Described double auxiliary skirt rims, its contain base (38), lower fillet (39), side (40), upper fillet (41), the concave arc side (42) on base,
The through hole (43) of piston and double auxiliary skirt rims, the logarithm line of its piston skirt logarithmic differentiation equation of described piston is also referred to as isogonal line
One section be located at shirt rim, the side of the part of its shirt rim is pressure angle close to the one of the equal logatithmic spiral by logarithmic differentiation equation
Section, has the equal feature of pressure angle using the logatithmic spiral of higher mathematics, makes wedge turbulent flow time alter blade and has logatithmic spiral
One section, then the mixed air-flow gushed thereon is just easily steady, is blocked useless at scavenging road junction using equal pressure angle generation turbulent flow with profit
Gas returns alters to reduce discharge;Described double auxiliary skirt rims or use aluminium alloy, or with composite to reduce cylinder prepareding gap;With
CNC machining center, will first make tungsten copper electrode, assist molding with the lathe having three-dimensional rotation head, then produced in batches with die casting machine;
Machine again and electroplate;Described left box body and right case are respectively provided with and change the little double auxiliary blow vent narrowing, described double auxiliary ventilation
Mouth is located at left box body and is known as left double auxiliary blow vent (51b), and described double auxiliary blow vent is located at right case and is known as right double auxiliary lead to
Gas port (52b), described left box body and right case are to assemble Face to face, and are connected with above the scavenging air belt of cylinder body, institute
Right double auxiliary blow vents (51b) and described left case that two scavenging air belts of the cylinder body stated are provided with described right case (51) respectively
The left double auxiliary blow vents (52b) that body (52) is provided with are connected, and it is the double auxiliary blow vent of the right case narrowing, when described pair
When double auxiliary skirt rims (37) that the skirt section of auxiliary blow vent and the piston running to described in piston lower is equipped with are close, just
Beneficial to narrowing local volumetric, increase local air flow pressure and flow velocity and additional turbulence is returned and altered and drop row;Described narrows left and right case
The double auxiliary blow vent of body each symmetrically left and right upper with the scavenging road junction (45) of described cylinder body (44) symmetrical left and right each is each
The wedge turbulent flow that one ground is provided with returns alters both adapteds of piece (46);Described narrows the double auxiliary blow vent of right case and described work
Both adapteds of the double auxiliary skirt rims (37) that the skirt section of plug is equipped with;The described double auxiliary blow vent narrowing right case, and described
The upper each symmetrically wedge turbulent flow that left and right is provided with having in scavenging road junction (45) that the symmetrical left and right of cylinder body (44) has returns alters
Piece (46), and with double auxiliary skirt rims (37) three's adapted that the skirt section of described piston is equipped with, have fall row's effect;Described receipts
The rear wall (51f) of right double auxiliary blow vents (51b) that the right case (51) of the double auxiliary blow vent of narrow right case is provided with is thicker, the thinnest
Place is no less than 1.4mm, and has the oblique angle more than 9 degree;The right case (51) of the described double auxiliary blow vent narrowing right case sets
There are multiple reinforcement arm pawls (51e), and the square-section of each reinforcement arm pawl is thicker, thinnest part is more than 1mm, described narrows left and right case
The back side of right double auxiliary blow vents (51b) that the right case (51) of the double auxiliary blow vent of seat is provided with is provided with long reinforcement (51c);Described
Narrow the pit of right double auxiliary blow vents (51b) that the right case (51) of the double auxiliary blow vent of right case is provided with the back side be provided with short
Reinforcement (51d), left double auxiliary blow vents (52b) that the left box body (52) of the described double auxiliary blow vent narrowing right case is provided with are
Pit, the length, width and height 1mm less than the right double auxiliary blow vent (51b) of described right case (51) of its pit, to increase intensity, resists
Narrow the bigger local pressure caused by double auxiliary blow vents;The left box body (52) of the described double auxiliary blow vent narrowing right case
The left double auxiliary blow vents (52b) being provided with are pits, right double auxiliary ventilations that the length, width and height of its pit and described right case (51) are provided with
Mouth (51b) differs, and the length and width on the engine less than 47.5 millimeters for the small-sized single cylinder two-stroke cylinder diameter are not a height of waiting and have
The cuboidal pit with taper of concentric reducer;On the cylinder chamber of the dress piston of the cylinder body (44) of two-cycle gasoline engine,
The scavenging road junction (45) having along about be symmetrically provided with;The scavenging air belt having in the symmetrical left and right of described cylinder body (44)
On mouth (45), respectively symmetrically each ground in left and right is provided with scavenging air belt partition wall (53), thus described scavenging road junction (45) is divided into two,
And then form the improvement that substantial two-cycle gasoline engine list scavenging air belt is changed into the many scavenging air belts of two-cycle gasoline engine,
So that profit blocks many, waste gas returns and alters less thus reducing discharge;Described scavenging air belt partition wall (53) is by the foot of a wall portion (53a), wall end
(53d), front metope (53c), rear metope (53b) are formed, the described front metope (53c) of scavenging air belt partition wall (53) and rear metope
(53b) extend along the piston movement direction of the cylinder chamber of the dress piston of described cylinder body (44), described scavenging air belt partition wall (53)
The foot of a wall portion (53a) is connected with the inner wall section in cylinder body (44) of described scavenging road junction (45), described scavenging air belt partition wall (53)
Wall end (53d) and piston sliding contact, the scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44) is upper each
Symmetrically the foot of a wall portion (53a) of the scavenging air belt partition wall (53) that each ground in left and right is provided with is located at the positive middle part of scavenging air belt thus described
Scavenging road junction (45) is divided into and is divided into two;Or it is each on the scavenging road junction (45) that the symmetrical left and right of described cylinder body (44) has
Symmetrically each two ground in left and right are provided with the foot of a wall portion (53a) of scavenging air belt partition wall (53) and described scavenging road junction (45) is divided into one is divided into
Three;The upper each scavenging that symmetrically each ground in left and right is provided with scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44)
Road partition wall (53) from described scavenging road junction (45) in the foot of a wall portion (53a) of being connected of inner wall section of cylinder body (44) along piston
Extend radially out;The upper each symmetrically each ground in left and right in scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44) is provided with
Scavenging air belt partition wall (53) from described scavenging road junction (45) the foot of a wall portion (53a) of being connected of inner wall section of cylinder body (44) along
The radial direction of piston is angularly stretched out;The scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44) is upper respectively symmetrically
The scavenging air belt partition wall (53) that each ground in left and right is provided with is from being connected in the inner wall section of cylinder body (44) with described scavenging road junction (45)
The angle that the foot of a wall portion (53a) has no more than 40 degree along the radial direction with piston is stretched out;Symmetrical left and right in described cylinder body (44)
The upper each scavenging air belt partition wall (53) that symmetrically each ground in left and right is provided with of some scavenging road junctions (45) from described scavenging road junction
(45) the foot of a wall portion (53a) being connected in the inner wall section of cylinder body (44) angularly stretches by 19.5 degree along the radial direction with piston
Go out;The upper each scavenging that symmetrically each ground in left and right is provided with scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44)
The front metope (53c) of road partition wall (53) and rear metope (53b) are along from the inwall in cylinder body (44) with described scavenging road junction (45)
The foot of a wall portion (53a) being partly connected mutually angularly stretches out along the radial direction with piston, described front metope (53c) and rear metope
(53b) angle of 3 degree of mutual;The upper each symmetrically left and right in scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44)
The front metope (53c) of the scavenging air belt partition wall (53) that each ground is provided with and rear metope (53b) along from described scavenging road junction (45)
The foot of a wall portion (53a) being connected in the inner wall section of cylinder body (44) along with the extending radially out of piston, described front metope (53c) and after
Metope (53b) is the curved surface of equiangular spiral;The scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44) is upper each right
Claim about ground the front metope (53c) of scavenging air belt partition wall (53) that is provided with of each ground and rear metope (53b) along from described scavenging
Road junction (45) the foot of a wall portion (53a) of being connected of inner wall section of cylinder body (44) along with the extending radially out of piston, described front metope
(53c) it is that pressure angle equiangular spiral equal everywhere is also known as logatithmic spiral face with rear metope (53b);Described employing left box body
The two stroke engine of square hole filter screen turbulent flow scavenging is on the scavenging road junction (45) that the symmetrical left and right of described cylinder body (44) has
The top of each symmetrically scavenging air belt partition wall (53) that each ground in left and right is provided with is provided with Fourier function breach (53j), and described
Fourier function breach (53j) has gibbs overshoot to approach rectangle with the tie point of described the foot of a wall portion (53a), and described tool is pressurized
It is symmetrical in described cylinder body (44) for the small-sized single cylinder two stroke engine of the right case of contracting ratio and function Fourier piece wall
The scavenging road junction (45) that has of left and right is provided with tool periodic function gibbs overshoot convergence ripple Fourier piece wall (54), described tool
Periodic function gibbs overshoot convergence ripple Fourier piece wall (54) is along cylinder body (44) from a side of scavenging road junction (45)
The stifled high-wall that circumferencial direction in piston cylinder stretches out, it highly exceedes the half of scavenging road junction (45) depth, and (depth is to live in edge
The axis direction of plug);The right crooked wheel axle box of described use polyisocyanate hole partition wall with the two stroke engine of turbulent scavenging its in institute
The pit that the tool stated increases the blow vent of right case of compression ratio is of different sizes, the right blow vent (51b) of described right case recessed
Hole is containing left prism (51g), left straight sided (51y) and left broad side surface (51h);The left blow vent (52b) of described left box body
Pit contains right prism (52g), right straight sided (52y) and right broad side surface (52h);Described right prism (51g) and right case
The angle of composition surface Ji Gang center split surface be 49-59 degree to the right;Described right straight sided (51y) and the composition surface of right case
The angle of Ji Gang center split surface is 85-89 degree;Described right prism (51g) and the composition surface Ji Gang center subdivision of right case
The angle in face is 60-61 degree to the right;The angle of the composition surface Ji Gang center split surface of described right straight sided (51y) and right case
It is 90-92 degree;Described right broad side surface (51h) is arcwall face, and described left broad side surface (52h) is also arcwall face, and it is logarithm
The arcwall face of one section of composition of helical;The tool being provided with the scavenging road junction (45) that the symmetrical left and right of described cylinder body (44) has
The described high-wall of periodic function gibbs overshoot convergence ripple Fourier piece wall (54) is the side and edge from scavenging road junction (45)
The stifled high-wall that circumferencial direction in the piston cylinder of cylinder body (44) stretches out, it is highly the 80%- of scavenging road junction (45) depth
90% (being all the axis direction along piston highly with depth);The scavenging road junction having in the symmetrical left and right of described cylinder body (44)
(45) tool periodic function gibbs overshoot convergence ripple Fourier piece wall (54) being provided with described from the one of scavenging road junction (45)
Side and the top of a stifled high-wall stretched out along the circumferencial direction in the piston cylinder of cylinder body (44) is provided with transition flex point (54j), its
Have at least one close to 90 degree turn round shape and its be approximately gibbs overshoot convergence ripple i.e. imitate fourier series ground gibbs
What overshoot phenomenon was drawn gradually approaches rectangle transition ripple;The scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44)
A described side from scavenging road junction (45) of tool periodic function gibbs overshoot convergence ripple Fourier piece wall (54) being provided with
And the bottom of the stifled high-wall stretching out along the circumferencial direction in the piston cylinder of cylinder body (44) is provided with multiple fluctuating convex-concaves (54k);?
The tool periodic function gibbs overshoot convergence ripple that the scavenging road junction (45) that the symmetrical left and right of described cylinder body (44) has is provided with
A described side from scavenging road junction (45) of Fourier piece wall (54) and stretch along the circumferencial direction in the piston cylinder of cylinder body (44)
The bottom of the stifled high-wall going out is provided with multiple fluctuating convex-concaves (54k);The scavenging having in the symmetrical left and right of described cylinder body (44)
Tool periodic function gibbs that road junction (45) is provided with overshoot convergence ripple Fourier piece wall (54) described from scavenging road junction (45)
A side and the bottom of a stifled high-wall stretched out along the circumferencial direction in the piston cylinder of cylinder body (44) is provided with multiple fluctuating convex-concaves
(54k) it is approximately the multiple of the frequency spectrum gradually decayed that imitative fourier series are drawn and becomes close spike from diminishing greatly from thin;
Or sweeping of being provided with of the upper each symmetrically each ground in left and right in the scavenging road junction (45) that has of the described symmetrical left and right portion in cylinder body (44)
Fourier function breach (53j) that the top of air flue partition wall (53) is provided with is to contain to be approximately the Fourier that imitative fourier series are drawn
Sinusoidal odd function and the blow vent of the approximate wave as only single circular frequency;The described symmetrical left and right in cylinder body (44)
The Fourier that the top of the upper each symmetrically scavenging air belt partition wall (53) that each ground in left and right is provided with of some scavenging road junctions (45) is provided with
Function breach (53j) is the blow vent of S-shaped;The right crooked wheel axle box of described use polyisocyanate hole partition wall is with the two-stroke of turbulent scavenging
The described piston (31) of engine is provided with around each one gas storage pit (31a), described gas storage pit its slightly resemble a pear in shape, have big
Microcephaly, less at piston pin axle bed, it is away from larger at piston pin axle bed, the crosscutting hatching of described gas storage pit
(31b) it is curve, the thickness of the section of crosscutting hatching (31b) of described gas storage pit is more than 1.5mm, described gas storage pit
The curve of crosscutting hatching (31b) is the equipotentiality streamline of family of parabolas, and one section of its streamline is to imitate the stream of Method of Mathematical Physics
The higher order functionality of the family of parabolas of the analytical function of harmonic function meeting the disconnected equation of La Pula of flow function;With polyisocyanate hole partition wall
Right crooked wheel axle box be under scavenging passage plus crank valve control pre-burning gas scavenging with the two stroke engine of turbulent scavenging
Two cycle engine, cylinder body (44) contain blow vent (44a), enter gas port (44b), left and right each pair claim enter air scoop (44c), left
Right each pair claim the first scavenging port (44d), each pair second scavenging port (44f) of claiming of left and right, described left and right each pair claim
Each pair second scavenging port (44f) of claiming of first scavenging port (44d) and described left and right is located at scavenging road junction, described the first scavenging
Mouth (44d) and the described interval of the second scavenging port (44f) and top are provided with two scavenging air belts by living along piston movement direction
Plug cylinder is the envelope high-wall (44e) of closing, and the inner side of described envelope high-wall (44e) is circular arc by piston cylinder, described envelope high-wall (44e)
Not depend on piston cylinder to lean on the side of scavenging air belt be shaped form in outside, and take with the technique in the outer portion at the scavenging road junction of cylinder body
Piece (55) coexists, described technique butt strip (55) contain be spaced stupefied (55g), interval breach (55e), the first scavenging side wall (55d), the
Two scavenging side walls (55d), three mounting hole site and special-shaped packing, and it is formed with the scavenging road junction of cavity, thus becoming in scavenging
The two-cycle gasoline engine of the gas stratiform scavenging of precombustion is made in passage;The interval stupefied (55g) of described technique butt strip (55)
Stupefied upper top be curve so that and the outside of described envelope high-wall (44e) do not depend on piston cylinder to lean on the shaped form of the side of scavenging air belt
Coexist and scavenging air belt is divided into two;The stupefied upper top at the interval stupefied (55g) of described technique butt strip (55) is the two of family of parabolas
Secondary function curve is to lean on the secondary of the equipotentiality streamline of the family of parabolas of side of scavenging air belt with the outside of described envelope high-wall (44e)
Function curve shape coexists;Scavenging is leaned in the outside of the interval breach (55e) of described technique butt strip (55) and described envelope high-wall (44e)
The shaped form between the first scavenging port (44d) and the second scavenging port (44f) of the side in road coexists and scavenging air belt is divided into two;
The bottom of the first scavenging side wall (55d) of described technique butt strip (55) and first scavenging port (44d) of described cylinder body coexist and
Form the first scavenging road junction;Second scavenging side wall (55d) of described technique butt strip (55) and the second scavenging port of described cylinder body
(44f) bottom coexists and forms the second scavenging road junction;The upper top of the first scavenging side wall (55d) of described technique butt strip (55)
The quadratic function curve of family of parabolas so that and described envelope high-wall (44e) outside lean on scavenging air belt side family of parabolas
The quadratic function curve shape of equipotentiality streamline coexists and forms the first scavenging road junction;Second scavenging side of described technique butt strip (55)
The upper top of wall (55d) is the quadratic function curve of family of parabolas to lean on the one of scavenging air belt with the outside of described envelope high-wall (44e)
The quadratic function curve shape of the equipotentiality streamline of the family of parabolas of side coexists and forms the second scavenging road junction;Described cylinder body (44) exists
It is provided with multiple reinforcement radiatings in flakes (44x, 44v) between its multiple fin;Described cylinder body (44) is in the cross section side of exhaust outlet
To being provided with insertion louvre (44j);And the cross-sectional direction in the air inlet of described cylinder body (44) is also provided with straight-through louvre
(44k);With the two stroke engine of turbulent scavenging, it is dead on piston to the right crooked wheel axle box of described use polyisocyanate hole partition wall
Near point, before the ignition of mixed gas of compressed piston upper in cylinder, make opening and closing vapour due to moving in piston train of dress portion
Preparation air entry in cylinder is opened, and sucks the gaseous mixture of fuel and air in the crankcase below piston;Again because igniting is produced
The pressure of the raw burning gases of piston upper, piston moves and simultaneously closes off to bottom dead centre direction air entry from top dead-centre, pressure
Gaseous mixture in contracting crankcase, in the piston upper of bottom dead center-nearby, makes the burning gases in cylinder to family from opening and closing exhaust outlet
While outer gas is discharged, the scavenging path being connected with cylinder by crankcase, by preparing in piston upper latch-release cylinder
Gaseous mixture is imported to the two cycle engine in cylinder by scavenging port from crankcase;The design has the valve gear with crankshaft-synchronous,
This valve is from crankcase to cylinder scavenging mouth, and the crankcase side of scavenging path is configured to normally closed;Song in scavenging path
When the valve-closing of axle box side, gaseous mixture in scavenging path is allowed to, by the flame of combustion gas, burning of igniting, HC reduce with
Afterwards again from crankcase to scavenging port, the crankcase side of scavenging path is allowed to opening, sends in the burning gaseous mixture of scavenging path
While, close exhaust outlet before exhaust outlet is discharged in the gaseous mixture in crankcase, here it is making the discharge of HC significantly subtract
Few two cycle engine;Solved in former structure, and the valve of the above-mentioned bent axle same period is because being designed, burning gases
Flame extinction after if scavenging port also do not open, the flame of burning gases can make the gaseous mixture in scavenging path and crankcase
Ignition, makes gaseous mixture cannot supply into cylinder, and the opening of exhaust outlet will make the opening of scavenging port cross early stage unlatching, in cylinder
Exhaust outlet and scavenging port at the same time opening when, the unblended mixture in crankcase and in scavenging path enters vapour from exhaust outlet
In cylinder, so a part for gaseous mixture is discharged from exhaust outlet in the state of unburned, become the gaseous mixture discharged in gas
The problem that (i.e. HC) increases;The present invention is outside described air entry exhaust outlet scavenging port, after crankcase scavenging, in scavenging
The crankcase side of path has added opening and closing valve, and the gaseous mixture in scavenging path is ignited in the flame of combustion gas and burnt, and
It is that the valve of synchronizing cycle can be truncated, so the gaseous mixture in crankcase will not according to bent axle in scavenging path and crankcase
Burning, simultaneously the combustion gas in scavenging path when the valve openings with the crankshaft-synchronous cycle, the gaseous mixture in crankcase
Can be extruded out in cylinder, the initial stage in exhaust outlet and scavenging port opening simultaneously, the burning gases quilt in scavenging path
It is supplied in cylinder, will not adulterate in the exhaust gas being discharged from exhaust outlet to outside HC, when exhaust outlet will be closed, sweep
The unblended mixture continuing in spent gaseous mixture in gas path in crankcase is fed in cylinder, so exhaust gas
The HC amount of doping in body can control minimizing;The described valve gear having with crankshaft-synchronous, is above to add crank valve in bent axle (57)
(56) c-type circle (56a), two sides that the c-type circle of described crank valve (56) has a bit of opening are set to the wedge circle at oblique angle
(56b), when the side having oblique angle of two sides of its a bit of opening rotates with bent axle, in the scavenging channel connection of latch-release cylinder
It is formed for during the oral area of crankcase shearing and reduce the effect of mutation impact;With the right crooked wheel axle box of polyisocyanate hole partition wall with turbulent flow
The two stroke engine of scavenging, if the valve gear with crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) c-type circle
(56a) two sides of a bit of opening are provided with the pressure coil (56f) of logarithm, when the both sides of a bit of opening of described pressure coil
The logatithmic spiral side on side rotates with bent axle, is formed for pressure in the oral area of the connection crankcase of the scavenging passage of latch-release cylinder
The angle logatithmic spiral impact air-flow of properties equivalent and the effect of buffering everywhere;The wedge (11b) of the noise control filter screen in scavenging passage
It is located at described technique butt strip (55) side;Filter screen (58) in scavenging passage is located at described technique butt strip (55) side, described
Filter screen in scavenging passage is to be formed by the braiding of many wire longitude and latitude, has filtration regulation and control to breathing between gas and crankcase in cylinder
Effect;Noise control filter screen in scavenging passage is provided with multiple wedges (11b), and described wedge is multiple hollow six prismatic, top has little
Hole, the advanced wedge of air-flow compresses, then escapes expansion from wedge aperture, has noise control to filter regulation and control and noise elimination effect;In described work
It is provided with catalyst volume (59) its indium of rhodium containing iridium of reduction of discharging in the scavenging passage on skill butt strip (55) side, have catalyst effect to flowing through gas
And noise control filters regulating and controlling effect, there are regular hour difference and isolation and noise elimination adjustment effect, slow down HC to the row of scavenging passage
The discharge of gas port;With the two stroke engine of turbulent scavenging, its feature exists the right crooked wheel axle box of described use polyisocyanate hole partition wall
In, the polyisocyanate hole on the partition wall of right crooked wheel axle box, it is that the scavenging passage connecting latch-release cylinder connects crankcase with described
The through hole of oral area;The scavenging passage of the close described latch-release cylinder in the polyisocyanate hole on the partition wall of described right crooked wheel axle box and
Above described technique butt strip (55) side, installing buffering frame (a58);Described buffering frame (a58) is square frame-shaped, its side
The frame of shaped as frame carries over the edge that against the polyisocyanate hole on the described partition wall of right crooked wheel axle box;The side of described buffering frame (a58)
Shaped as frame is provided with noise reduction hole (f58);The frame of the square frame-shaped of described buffering frame (a58) carries over the filter screen that is sticked (58), institute
Stating filter screen (58) is the square piece having multiple little filter openings, and the middle part of the square piece of multiple little filter opening of described filter screen (58) is provided with periphery and is in
The bulge of oval protuberance, the curve of the part of the gabarit of the bulge of described protuberance is approximate tool pressure angle equal spy everywhere
One section of the logatithmic spiral of property;And the peripheral ovalize that is provided with of the middle part of the square piece of multiple little filter opening of described filter screen (58)
The projection of the bulge of protuberance towards described technique butt strip (55) direction that is to say, that the multiple little filter opening of described filter screen (58)
The bulge of the protuberance of peripheral ovalize that is provided with of middle part of square piece depression towards described right crooked wheel axle box partition wall
On polyisocyanate hole and described buffering frame (a58) direction;The right crooked wheel axle box of described use polyisocyanate hole partition wall is with turbulent scavenging
Two stroke engine described piston, its cross section be on the basis of oval cross section modification the part of gabarit curve
It is one section of the tool pressure angle logatithmic spiral of properties equivalent everywhere;And the part of the gabarit of the valve sheet of the carburetor of engine
Curve is a section of the tool pressure angle logatithmic spiral of properties equivalent everywhere;And the face of the valve sheet of carburetor is that the curve of part is
One section of the tool pressure angle logatithmic spiral of properties equivalent everywhere;And the part of the inwall of the inlet channel of the carburetor of engine
Curve is also a section of the tool pressure angle logatithmic spiral of properties equivalent everywhere;And the portion of the inwall entering outlet passageway of engine
Point curve be also one section of the tool pressure angle logatithmic spiral of properties equivalent everywhere;And, multiple kinematic pairs of engine contain cylinder
The inwall of body, the side of piston, the joint of crank connecting link, the composition containing indium or plating indium.
Update and perfect use polyisocyanate hole partition wall right crooked wheel axle box with the two stroke engine of turbulent scavenging, its
It is characterised by, the side in described buffering frame (a58) being provided with the square hole (c52) that described left box body (52) is provided with
The sheet metal that the filter screen (58) being sticked is the indium of rhodium containing iridium having catalysis is carried on the frame of shaped as frame.
Update and perfect use polyisocyanate hole partition wall right crooked wheel axle box with the two stroke engine of turbulent scavenging, its
It is characterised by, the side in described buffering frame (a58) being provided with the square hole (c52) that described left box body (52) is provided with
The multiple little filter opening carrying over the square piece having multiple little filter openings of the filter screen (58) being sticked on the frame of shaped as frame is polygonal.
Update and perfect use polyisocyanate hole partition wall right crooked wheel axle box with the two stroke engine of turbulent scavenging, its
It is characterised by, the side in described buffering frame (a58) being provided with the square hole (c52) that described left box body (52) is provided with
The multiple little filter opening carrying over the square piece having multiple little filter openings of the filter screen (58) being sticked on the frame of shaped as frame is hexagonal.
Update and perfect use polyisocyanate hole partition wall right crooked wheel axle box with the two stroke engine of turbulent scavenging, its
It is characterised by, the side in described buffering frame (a58) being provided with the square hole (c52) that described left box body (52) is provided with
The multiple little filter opening carrying over the square piece having multiple little filter openings of the filter screen (58) being sticked on the frame of shaped as frame is quadrangle.
Update and perfect use polyisocyanate hole partition wall right crooked wheel axle box with the two stroke engine of turbulent scavenging, its
It is characterised by, the side in described buffering frame (a58) being provided with the square hole (c52) that described left box body (52) is provided with
The noise reduction hole (f58) that the frame of shaped as frame is provided with is multiple hole.
Update and perfect use polyisocyanate hole partition wall right crooked wheel axle box with the two stroke engine of turbulent scavenging, its
It is characterised by, the side in described buffering frame (a58) being provided with the square hole (c52) that described left box body (52) is provided with
The noise reduction hole (f58) that the frame of shaped as frame is provided with is multiple elliptical aperture.
Update and perfect use polyisocyanate hole partition wall right crooked wheel axle box with the two stroke engine of turbulent scavenging, its
It is characterised by, the side in described buffering frame (a58) being provided with the square hole (c52) that described left box body (52) is provided with
The noise reduction hole (f58) that each frame of shaped as frame is provided with is eight elliptical apertures.
Update and perfect use polyisocyanate hole partition wall right crooked wheel axle box with the two stroke engine of turbulent scavenging, its
It is characterised by, the square frame of the described buffering frame (a58) being provided with the square hole (c52) that described left box body (52) is provided with
Each frame of shape is that the pipe of hollow bilayer is made.
Update and perfect use polyisocyanate hole partition wall right crooked wheel axle box with the two stroke engine of turbulent scavenging, its
It is characterised by, the side in described buffering frame (a58) being provided with the square hole (c52) that described left box body (52) is provided with
The multiple little filter opening carrying over the square piece having multiple little filter openings of the filter screen (58) being sticked on the frame of shaped as frame is longitudinal 28 holes and horizontal stroke
To 21 holes.
Improve further and the perfect described two-stroke vapour adding noise control filter screen valve control pre-burning scavenging in scavenging passage
Oily engine, it is characterised in that the described valve gear having with crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) C
The oral area of connection crankcase of the rotation of type circle (56a) and the scavenging passage of latch-release cylinder and formed, on described bent axle (57)
It is corresponding with a bit of opening of the described c-type circle (56a) adding crank valve (56) and passes through one to be provided with c-type edge (57a)
Individual location hole, or an alignment pin, or positioning sleeve to be realizing coordinating, and fixed with three screws.
Improve further and the perfect described two-stroke vapour adding noise control filter screen valve control pre-burning scavenging in scavenging passage
Oily engine, it is characterised in that the described valve gear having with crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) C
Type circle (56a), two sides that the c-type circle of described crank valve (56) has a bit of opening are set to the wedge circle (56b) at oblique angle, when
The side at oblique angle of having of two sides of a bit of opening of described c-type circle rotates with bent axle, in the scavenging passage of latch-release cylinder
The effect being formed for shear flow and reducing mutation impact during the oral area of connection crankcase.The a bit of opening of wedge circle (56b)
The angle of the axis of its every side bent axle of oblique angle that is provided with of two sides in 5-27.5 degree.
Improve further and the perfect described two-stroke vapour adding noise control filter screen valve control pre-burning scavenging in scavenging passage
Oily engine, it is characterised in that the described valve gear having with crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) C
Type circle (56a), two sides that the c-type circle of described crank valve (56) has a bit of opening are set to the pressure coil (56f) at oblique angle, when
The logatithmic spiral side of two sides of a bit of opening of described pressure coil rotates with bent axle, in the scavenging passage of latch-release cylinder
It is formed for the pressure angle logatithmic spiral impact air-flow of properties equivalent and the effect of buffering everywhere during the oral area of connection crankcase.
Improve further and the perfect described two-stroke vapour adding noise control filter screen valve control pre-burning scavenging in scavenging passage
It is characterised in that the filter screen (58) in described scavenging passage is located at described technique butt strip (55) side, described sweeps oily engine
Filter screen in gas passage is to be formed by the braiding of many wire longitude and latitude, has filtration regulation and control to make to breathing between gas and crankcase in cylinder
With;Noise control filter screen in scavenging passage is provided with multiple wedges (11b), and described wedge is multiple hollow six prismatic, and there is aperture on top,
The advanced wedge of air-flow compresses, then escapes expansion from wedge aperture, has noise control to filter regulation and control and noise elimination effect.
With the right crooked wheel axle box of polyisocyanate hole partition wall with the usefulness of the two stroke engine of turbulent scavenging:Because this
Using the two stroke engine of right case turbulent flow scavenging, with the through hole in the polyisocyanate hole of the right crooked wheel axle box of polyisocyanate hole partition wall, its
It is the through hole with the described oral area connecting crankcase for the scavenging passage connecting described latch-release cylinder, be conducive to regulating and controlling the punching of air-flow instant
Hit pressure and disorderly wave current amount;The scavenging of the close described latch-release cylinder of the square hole (c52) being provided with described left box body (52)
Above passage and close described technique butt strip (55) side, installing buffering frame (a58);Described buffering frame (a58) is square frame-shaped
, the frame of its square frame-shaped carries over the edge that against the square hole (c52) that described left box body (52) is provided with, and is connecting described opening and closing
There are the rotation of regulation and control disorderly wave current scavenging and buffering between the scavenging passage of cylinder and the through hole of the described oral area connecting crankcase
Leeway, is also convenient for Fast Installation positioning;Described buffering frame (a58) square frame-shaped be provided with noise reduction hole (f58), just make air-flow have through
Enter the contracting of noise reduction pore pressure and the noise reduction process overflowing from noise reduction hole again and expanding;Square frame-shaped in described buffering frame (a58)
The filter screen that is sticked (58) is carried on frame, described filter screen (58) is the square piece having multiple little filter openings, described filter screen (58) multiple little
The middle part of the square piece of filter opening is provided with the bulge of the protuberance of peripheral ovalize, the curve of the part of the gabarit of the bulge of described protuberance
It is one section of degree of the approximate tool pressure angle logatithmic spiral of properties equivalent everywhere, its usefulness is self-evident;And institute
The projection stating the bulge of the protuberance of peripheral ovalize that the middle part of the square piece of multiple little filter opening of filter screen (58) is provided with is towards institute
State the direction of technique butt strip (55), the depression of the bulge of the protuberance of peripheral ovalize of filter screen is provided with towards right case (51)
Multiple irregularly-shaped holes and buffering frame (a58) direction, be conducive to keeping out in cylinder relative to pressure;Using right case irregularly-shaped hole filter screen
The described piston of the two stroke engine of turbulent scavenging, its cross section is the portion of the gabarit of modification on the basis of oval cross section
Point curve be one section of the approximate tool pressure angle logatithmic spiral of properties equivalent everywhere, and the valve sheet of the carburetor of engine
The curve of the part of gabarit be one section of the approximate tool pressure angle logatithmic spiral of properties equivalent everywhere, and the carburetion of engine
The face of the valve sheet of device is the curve of part is one section of the approximate tool pressure angle logatithmic spiral of properties equivalent everywhere, and starts
The inwall of the inlet channel of the carburetor of machine be part curve be approximate tool pressure angle properties equivalent everywhere logatithmic spiral
One section, and the inwall entering outlet passageway of engine be the curve of part be the right of approximate tool pressure angle properties equivalent everywhere
One section of number helical, its usefulness is all self-evident.Multiple kinematic pairs of engine, inwall containing cylinder body, the side of piston,
The joint of crank connecting link, the composition containing indium or plating indium, then be all beneficial to lubricate.Multiple different in cooperation right crooked wheel axle box
Carrying over the filter screen (58) being sticked on the frame in the square frame-shaped of described buffering frame (a58) that shape through hole is provided with is to have catalyst to make
The sheet metal of the indium of rhodium containing iridium, is beneficial to catalyst effect.On multiple abnormity through holes of the described right crooked wheel axle box of cooperation
Multiple little filter openings that have of the filter screen (58) being sticked are carried on the frame in the square frame-shaped of described buffering frame (a58) being provided with
The multiple little filter opening of square piece is polygonal, is beneficial to regulate and control air-flow.The square hole (c52) being provided with described left box body (52)
Carry over the filter screen (58) being sticked on the frame in the square frame-shaped of described buffering frame (a58) being provided with has multiple little filter openings
The multiple little filter opening of square piece be hexagonal, be beneficial to regulate and control air-flow and edgetone effect.In described cooperation right crooked wheel axle box
Carry over, on the frame in the square frame-shaped of described buffering frame (a58) that multiple abnormity through holes of body are provided with, the filter screen being sticked
(58) the multiple little filter opening of the square piece having multiple little filter openings is quadrangle, is beneficial to regulate and control air-flow and braiding.Described
It is provided with the frame in the square frame-shaped of described buffering frame (a58) that multiple abnormity through holes of right crooked wheel axle box are nearby provided with
(f58) is multiple hole in noise reduction hole, is beneficial to regulate and control air-flow and noise reduction.Join right crooked wheel axle box multiple abnormity through holes buffering
Noise reduction hole on the frame of square frame-shaped of frame (a58) is multiple elliptical aperture, is beneficial to regulate and control the reality of the elliptical aperture principle of noise reduction of air-flow
Apply.The noise reduction hole (f58) being provided with each frame of the square frame-shaped of buffering frame (a58) is eight elliptical apertures, is to manufacture style.Institute
Each frame of the square frame-shaped of buffering frame (a58) stated is that the pipe of hollow bilayer is made, is beneficial to regulate and control air-flow and noise reduction
The enforcement of hush tube principle.Having of the filter screen (58) being sticked is carried on the frame of the square frame-shaped of described buffering frame (a58) many
The multiple little filter opening of the square piece of individual little filter opening is longitudinal 28 holes and horizontal 21 holes, is a kind of manufacture style, is beneficial to implement.Convection current
Crossing gas has catalyst effect and noise control to filter regulating and controlling effect, has regular hour delay difference and isolation and noise elimination and obstructs regulation
Effect, the ingenious discharge slowing down pneumatic noise and HC.
The present invention relates to energy-saving and emission-reduction, started with the two-stroke of turbulent scavenging with the right crooked wheel axle box of polyisocyanate hole partition wall
Machine, polyisocyanate hole partition wall is the through hole of connection scavenging passage, is conducive to regulating and controlling air-flow instant surge and disorderly wave current amount;Buffering frame
(a58) square frame-shaped is provided with noise reduction hole, so that air-flow is had through entering the contracting of noise reduction pore pressure and the fall overflowed from noise reduction hole and expand
Make an uproar process;The middle part of the square piece of multiple little filter opening that buffering frame sets filter screen is provided with the bulge of the protuberance of peripheral ovalize, protuberance
The curve of the part of the gabarit of bulge be one section of the tool pressure angle logatithmic spiral of properties equivalent everywhere;Its cross section of piston,
The gabarit of the valve sheet of carburetor, and the inwall of the inlet channel of face carburetor of the valve sheet of carburetor, and the entering of engine
The curve that the inwall of outlet passageway is part is a section of the approximate tool pressure angle logatithmic spiral of properties equivalent everywhere, and it has
All self-evident in place of benefit.And, multiple kinematic pairs of engine, inwall containing cylinder body, the side of piston, the connecing of crank connecting link
At conjunction, the composition containing indium or plating indium, then all be beneficial to lubricate.Filter screen is the sheet metal of the indium of rhodium containing iridium having catalysis, has
Benefit catalyst effect.Buffering frame (a58) is the hollow double-deck hush tube.
The right crooked wheel axle box of described use polyisocyanate hole partition wall, with the two stroke engine of turbulent scavenging, is right song with right case
Wheel shaft casing, it is provided with polyisocyanate hole partition wall, and described partition wall thickness is less than 3mm, and the top of described partition wall is provided with 3 sections of camber lines, middle
It is circular arc line (527), both sides are logatithmic spiral section (525) and cube curved section (526), multiple different holes set by partition wall are at least
3, it is the through hole with the described oral area connecting crankcase for the scavenging passage of connection latch-release cylinder;The work of described engine
Plug, its cross section is the curve of the part of gabarit of modification on the basis of oval cross section is one section of cube curve;And start
The part of the gabarit of the valve sheet of the carburetor of machine is a cube curve;And the face of the valve sheet of the carburetor of engine is a cube song
Line;And the inwall of the inlet channel of the carburetor of engine is cube curve of part;And engine enter the interior of outlet passageway
Wall is cube curve of part;And, multiple kinematic pairs of engine contain the inwall of cylinder body, the side of piston, crank connecting link
Joint plates indium cadmium;Engine hydrogen fuel tanks and oxygen cylinder.
Update and the right crooked wheel axle box of perfect described use polyisocyanate hole partition wall is sent out with the two-stroke of turbulent scavenging
It is characterised in that described right case (51) is right crooked wheel axle box, it is provided with polyisocyanate hole partition wall to motivation, polyisocyanate hole partition wall
Through hole at least 3, it is left circular hole (523), right circular hole (524), middle circular hole (522), and middle circular hole (522) therein is less.
Update and the right crooked wheel axle box of perfect described use polyisocyanate hole partition wall is sent out with the two-stroke of turbulent scavenging
It is characterised in that described right case (51) is right crooked wheel axle box, it is provided with polyisocyanate hole partition wall to motivation, polyisocyanate hole partition wall
Through hole at least 3, it is hexagonal hole (528), elliptical aperture (529), middle circular hole (522), and described middle circular hole (522) is not rounded
Different hole.
Update and the right crooked wheel axle box of perfect described use polyisocyanate hole partition wall is sent out with the two-stroke of turbulent scavenging
It is characterised in that described right case (51) is right crooked wheel axle box, it is provided with polyisocyanate hole partition wall to motivation, polyisocyanate hole partition wall
Through hole at least 3, it is hexagonal hole (528), elliptical aperture (529), middle circular hole (522);Middle circular hole (522) therein is loudspeaker
Mouthful.
Update and the right crooked wheel axle box of perfect described use polyisocyanate hole partition wall is sent out with the two-stroke of turbulent scavenging
It is characterised in that described right case (51) is right crooked wheel axle box, it is provided with polyisocyanate hole partition wall to motivation, polyisocyanate hole partition wall
Through hole at least 3, it is hexagonal hole (528), elliptical aperture (529), middle circular hole (522);Described hexagonal hole (528) is hexagonal pyramid
Horn mouth.
Update and the right crooked wheel axle box of perfect described use polyisocyanate hole partition wall is sent out with the two-stroke of turbulent scavenging
It is characterised in that described right case (51) is right crooked wheel axle box, it is provided with polyisocyanate hole partition wall to motivation, polyisocyanate hole partition wall
Through hole at least 3, it is hexagonal hole (528), elliptical aperture (529), middle circular hole (522);Elliptical aperture (529) has concentric reducer
Horn mouth.
Update and the right crooked wheel axle box of perfect described use polyisocyanate hole partition wall is sent out with the two-stroke of turbulent scavenging
It is characterised in that described right case (51) is right crooked wheel axle box, it is provided with polyisocyanate hole partition wall to motivation, polyisocyanate hole partition wall logical
At least 3, hole, it is left circular hole (523), right circular hole (524), middle circular hole (522);Described left circular hole (523) is that have concentric reducer
Horn mouth.
Update and the right crooked wheel axle box of perfect described use polyisocyanate hole partition wall is sent out with the two-stroke of turbulent scavenging
It is characterised in that described right case (51) is right crooked wheel axle box, it is provided with polyisocyanate hole partition wall to motivation, polyisocyanate hole partition wall logical
At least 3, hole, it is left circular hole (523), right circular hole (524), middle circular hole (522);Described right circular hole (524) is that have concentric reducer
Horn mouth.
Update and the right crooked wheel axle box of perfect described use polyisocyanate hole partition wall is sent out with the two-stroke of turbulent scavenging
Motivation is it is characterised in that carrying over the filter screen (58) being sticked on the described frame of square frame-shaped of buffering frame (a58) is to have catalyst to make
The sheet metal of the indium platinum of rhodium containing iridium;The noise reduction hole (f58) being provided with the frame of the square frame-shaped of described buffering frame (a58) is many
Individual elliptical aperture.
With the right crooked wheel axle box of polyisocyanate hole partition wall with the usefulness of the two stroke engine of turbulent scavenging:Described right song
Wheel shaft casing is provided with polyisocyanate hole partition wall, and this just reduces the difficulty of manufacture greatly revolutionaryly, because of the casing in plain structure
On be easy to die casting demoulding partition wall, and the piston/cylinder complicated in depths is difficult to die casting demoulding partition wall.The valve sheet of carburetor is vertical
Square curve;And the face of the valve sheet of the carburetor of engine is a cube curve;Multiple kinematic pair plating indium cadmiums of engine;Engine
With hydrogen fuel tanks and oxygen cylinder.
A kind of uniflow scavenged two stroke engine of check valve-type, multiple kinematic pairs of its engine contain the inwall of cylinder body,
The side of piston, the joint plating indium of crank connecting link;Start motor benzin complementary vaporization hydrogenated fuel tank or oxygen cylinder;This
Tank and bottle are international 465 gram mark goods;The check valve being provided with by the described combustion chamber in cylinder body (44) comprises valve pocket
(441), valve abnormity passage (442), valve bonnet (443), valve screens disk (444), valve spring (445), valve element (446), valve front stall
(447);Described valve pocket (441) is located on cylinder body (44), and the front portion of described valve pocket (441) has in the through hole cylinder other with combustion chamber
Chamber communicates, and the middle part of described valve pocket (441) is provided with valve abnormity passage (442) and is connected with crankcase, after described valve pocket (441)
Portion is equipped with valve bonnet (443), and described valve screens disk (444) and described valve spring (445) are contained on described valve element (446), institute
State on the through hole communicating with the cylinder chamber by combustion chamber of the front portion that valve front stall (447) is installed in described valve pocket (441);Described
The front portion of valve element (446) is provided with valve front (446c), the side of the valve front (446c) that the front portion of described valve element (446) is provided with
It is provided with function curve ring week sealing ring (446d), the postmedian of described valve element (446) is provided with valve screens groove (446b), described valve element
(446) rear portion is provided with guide post (446a);Described valve bonnet (443) is provided with gathering sill (443a);Described valve screens disk (444)
It is provided with keyhole (444a), the flange that has in ring week of described valve screens disk (444) states valve spring (445) with profit shield residence;Described
One end of valve spring (445) is provided with and polishes end (445a) and be beneficial to the flange being provided with the ring of described valve screens disk (444) week
Coordinate and protect;The other end of described valve spring (445) do not polish end but free end contact with described valve front stall (447) with
High speed Free Slosh beneficial to described valve element;The front portion of described valve front stall (447) is provided with the circular arc chamfering containing function curve
(447a) so that the described function curve that is provided with of the side of the valve front (446c) being provided with the front portion of described valve element (446)
Ring week sealing ring (446d) matches;The big aperture of the keyhole (444a) that described valve screens disk (444) is provided with is easy to elder generation
Valve screens groove (446b) of described valve element (446) postmedian is loaded from radial direction from axially set again;Described valve abnormity passage (442)
Side wall be equiangular spiral shape, in there being the tubaeform of concentric reducer, equiangular spiral mathematically also cry logatithmic spiral its have known
Pressure angle characteristic equal everywhere, the described flaring major part having a concentric reducer leads to crankcase so that agree without prior consultation go up greatly under runner little
Descend pine to tighten and lower slightly going up slowly requires faster;When descent of piston, the upper cavity pressure of top land reduces, and valve element backs down,
After scavenging, after the crankcase pressure of bottom lowers, closed check valve;When piston stroking upward, exceed exhaust outlet, crankcase pressure is relatively
Top land upper cavity pressure reduction greatly, valve element backs down, air inlet;When piston continues up, the upper cavity pressure of top land adds
Greatly, valve element closure, piston is descending again to the combustion work done of top dead centre north point, and the described check valve-type direct current of formation that so goes round and begins again is swept
The two stroke engine of gas;Engine is further characterized in that, the inwall of the combustion chamber of engine adopt parabola shaped, spark plug
Ignition point is located at the focal point of combustion chamber, makes parabolical focal point consistent with the ignition point coincidence of spark plug, is conducive to strengthening
Light involves the ignition work done effect gathered of synthesis of electric discharge and all key elements of heat energy.
Update and the perfect described uniflow scavenged two stroke engine of check valve-type is it is characterised in that institute
The valve screens groove that the postmedian of the described valve element (446) of check valve being provided with by the combustion chamber in cylinder body (44) stated is provided with
(4465) there is step, have a shallow slot, also a deep trouth, in order to the key being provided with described valve screens disk (444)
The big aperture in hole (444a) matches, first described shallow slot from axially set, then the valve loading described valve element (446) postmedian from radial direction
Screens groove (446b).
Update and the perfect described uniflow scavenged two stroke engine of check valve-type is it is characterised in that institute
The side wall of valve abnormity passage (442) stated is the section of equiangular spiral shape and its passage is oval.
Update and the perfect described uniflow scavenged two stroke engine of check valve-type is it is characterised in that institute
The side wall of valve abnormity passage (442) stated is the section of equiangular spiral shape and its passage is the hole that logatithmic spiral is surrounded.
Update and the perfect described uniflow scavenged two stroke engine of check valve-type is it is characterised in that institute
The guide post (446a) that the rear portion of the valve element (446) stated is provided with is Long Circle bar and described valve bonnet (443) is provided with leads
It is Long Circle hole in order to match to groove (443a).
Update and the perfect described uniflow scavenged two stroke engine of check valve-type is it is characterised in that institute
The guide post (446a) that the rear portion of the valve element (446) stated is provided with is polygon bar and described valve bonnet (443) is provided with leads
It is polygonal hole in order to match to groove (443a).
Update and the perfect described uniflow scavenged two stroke engine of check valve-type is it is characterised in that institute
The circular arc chamfering (447a) containing function curve that the front portion of the valve front stall (447) stated is provided be one section of logatithmic spiral so that
The all sealing rings of described function curve ring that the side of the valve front (446c) being provided with the front portion of described valve element (446) is provided with
(446d) also it is that a section of logatithmic spiral matches.Or the front portion of described valve front stall (447) be provided with containing function curve
Circular arc chamfering (447a) is one section of cube curve so that the valve front (446c) being provided with the front portion of described valve element (446)
Described function curve ring week sealing ring (446d) that is provided with of side be also that a section of cube curve matches.
The usefulness of the uniflow scavenged two stroke engine of described check valve-type:Multiple kinematic pairs of engine contain cylinder body
Inwall, the side of piston, crank connecting link joint plating indium improvement lubrication;Start motor benzin complementary vaporization hydrogenated fuel
Tank or oxygen cylinder improve burning.One end of the valve spring of the uniflow scavenged engine of check valve-type is provided with and polishes end beneficial to valve screens
Flange cooperation;The other end of valve spring is the high speed Free Slosh that free end is beneficial to valve element;The front portion of valve front stall is provided with containing letter
The circular arc chamfering of number curve is easy to match with the function curve ring week sealing ring of valve element;The keyhole of valve screens disk is easy to elder generation
The valve screens groove of valve element is loaded from radial direction from axially set again;The side wall of valve abnormity passage is equiangular spiral shape, in there being concentric reducer
Tubaeform, equiangular spiral mathematically also cry logatithmic spiral its there is known pressure angle characteristic equal everywhere, be easy to agree without prior consultation
Faster requirement is slightly gone up slowly under runner.The inwall of the combustion chamber of engine adopt parabola shaped, the ignition point of spark plug is located at combustion
Burn the focal point of room, so that the ignition point of parabolical focal point and spark plug is overlapped consistent, be conducive to reinforcement light involve discharge with
And the ignition work done effect that the synthesis of all key elements of heat energy is gathered.
The ignition point of spark plug is located at the theory of the focal point of combustion chamber and principle can be generalized to various engines and instrument
Equipment.
Have improved safety key and built-in motor blower its be contained in and install additional on the blower handle of tool engine
Safety key (62) and shank of the key (61), micro- steering airduct (65) and micro- steering base (64) and microswitch (65), handle with
Set shock absorption buffering mechanism (63) between pressure-vaccum body, start the start mode of handle (59) and foot pedal positions (60), fuel tank is transparent
To see that oil plant adopts transparent high density polyethylene to be blow molded, carburetor handicapping air door hooks (67) and throttle buckles (66) automatically opens up wind
The touch device of door, the inwall of the built-in combustion chamber of two stroke engine reducing discharge being adopted on blower adopts
Parabola shaped, the ignition point of spark plug is located at the focal point of combustion chamber, makes the ignition point weight of parabolical focal point and spark plug
Unification causes, and is conducive to strengthening that light involves electric discharge and effect is made in the ignition gathered of synthesis of all key elements of heat energy
Really.Micro- turn to airduct (65) and micro- steering base (64) is provided with no more than 30 degree of sector notch, and microswitch (65) exists
It is accessible, after described micro- variable wind manage-style pipe and the conjunction of micro- steering tube seated connection, the starting that could be energized.The resistance that described carburetor is provided with
The rotational angle that air door hooks the choke hook of the touch device automatically opening up air door that (67) and throttle buckle (66) is 30 degree.
Claims (10)
1. have the blower of improved safety key and built-in motor, be contained on blower handle and install safety key and lock additional
Handle, micro- steering airduct and micro- steering base and microswitch, set shock absorption buffering mechanism between handle and pressure-vaccum body, start handle
With the start mode of foot pedal positions, fuel tank transparent to see oil plant, carburetor handicapping air door hooks and throttle is buckled automatically opens up wind
The touch device of door, is used as power using the built-in two stroke engine reducing discharge on blower;Described blows described
The built-in two stroke engine reducing discharge adopting on suction machine, sets check valve, containing left case by the combustion chamber of cylinder body (44)
Body, right case, piston, spark plug, described gray iron, cylinder barrel, connecting rod, crankcase, lubricating oil pump, lubricating system, Fuel System
System, ignition system, cooling system, described cylinder body is symmetrically provided with edge on the cylinder chamber of the dress piston of two stroke engine
The scavenging road junction (45) that left and right has, that is, on the scavenging road junction (45) that the symmetrical left and right of described cylinder body (44) has, respectively
Symmetrically each ground in left and right is provided with wedge turbulent flow time and alters piece (46);The skirt section of described piston is equipped with double auxiliary skirt rims (37);Institute
The double auxiliary skirt rims (37) stated are on the basis of retaining former two shirt rims of the bilateral there be not connecting rod pin-and-hole of original piston, and in piston
(31) bilateral having connecting rod pin-and-hole in skirt section following, often add an auxiliary shirt rim, so referred to as double auxiliary skirt rims
(37);Described double auxiliary skirt rims, it contains base (38), lower fillet (39), side (40), upper fillet (41), the concave arc side on base
(42), the through hole (43) of piston and double auxiliary skirt rims, the logarithm line of its piston skirt logarithmic differentiation equation of described piston is also referred to as
Isogonal one section is located at shirt rim, and the side of the part of its shirt rim is pressure angle close to the equal logatithmic spiral by logarithmic differentiation equation
One section, the logatithmic spiral using higher mathematics has the equal feature of pressure angle, so that wedge turbulent flow is returned and alters blade and have logarithm spiral shell
One section of line, then the mixed air-flow gushed thereon is just easily steady, produces turbulent flow using equal pressure angle with profit and hinder at scavenging road junction
Stagnant waste gas returns alters to reduce discharge;Described double auxiliary skirt rims or use aluminium alloy, or with composite to reduce cylinder prepareding gap;
Use CNC machining center, will first make tungsten copper electrode, assist molding with the lathe having three-dimensional rotation head, more raw with die casting machine batch
Produce;Machine again and electroplate;Described left box body and right case are respectively provided with and change the little double auxiliary blow vent narrowing, and described is double auxiliary logical
Gas port is located at left box body and is known as left double auxiliary blow vent (51b), described double auxiliary blow vent be located at right case be known as right pair auxiliary
Blow vent (52b), described left box body and right case are to assemble Face to face, and are connected with above the scavenging air belt of cylinder body,
Right double auxiliary blow vents (51b) and a described left side that two scavenging air belts of described cylinder body are provided with described right case (51) respectively
Left double auxiliary blow vents (52b) that casing (52) is provided with are connected, and it is the double auxiliary blow vent of the right case narrowing, when described
When double auxiliary skirt rims (37) that the skirt section of double auxiliary blow vents and the piston running to described in piston lower is equipped with are close,
Just it is beneficial to narrow local volumetric, increase local air flow pressure and flow velocity and additional turbulence is returned and altered and drop row;Described narrows left and right
The double auxiliary blow vent of casing each symmetrically left and right upper with the scavenging road junction (45) of described cylinder body (44) symmetrical left and right each
The wedge turbulent flow that each ground is provided with returns alters both adapteds of piece (46);The described double auxiliary blow vent narrowing right case with described
Both adapteds of the double auxiliary skirt rims (37) that the skirt section of piston is equipped with;The described double auxiliary blow vent narrowing right case, and described
The upper each symmetrically wedge turbulent flow that left and right is provided with having in the scavenging road junction (45) that has of symmetrical left and right of cylinder body (44) return
Alter piece (46), and with double auxiliary skirt rims (37) three's adapted that the skirt section of described piston is equipped with, have fall row's effect;Described
The rear wall (51f) narrowing right double auxiliary blow vents (51b) that the right case (51) of the double auxiliary blow vent of right case is provided with is thicker,
Thin place is no less than 0.8mm, and has the oblique angle more than 5 degree;The right case (51) of the described double auxiliary blow vent narrowing right case
It is provided with multiple reinforcement arm pawls (51e), and the square-section of each reinforcement arm pawl is thicker, thinnest part is more than 0.5mm, described narrows a left side
The back side of right double auxiliary blow vents (51b) that the right case (51) of the double auxiliary blow vent of right block is provided with is provided with long reinforcement (51c);
The back side of the pit of right double auxiliary blow vents (51b) that the right case (51) of the described double auxiliary blow vent narrowing right case is provided with sets
There is a short reinforcement (51d), left double auxiliary blow vents that the left box body (52) of the described double auxiliary blow vent narrowing right case is provided with
(52b) it is pit, the little 1.2mm of the auxiliary blow vent (51b) of right pair of its pit length, width and height than described right case (51), to increase strong
Degree, resists the bigger local pressure narrowing caused by double auxiliary blow vents;A left side for the described double auxiliary blow vent narrowing right case
Left double auxiliary blow vents (52b) that casing (52) is provided with are pits, the right side that the length, width and height of its pit and described right case (51) are provided with
Double auxiliary blow vents (51b) differ, and the length and width being less than on 44.5 millimeters of engine in small-sized single cylinder two-stroke cylinder diameter are a height of not
Deng and the many prismatics with taper that have concentric reducer pit;Gas in the dress piston of the cylinder body (44) of two-stroke oxyhydrogen engine
On cylinder chamber, edge is symmetrically provided with the scavenging road junction (45) that left and right has;Have in the symmetrical left and right of described cylinder body (44)
Scavenging road junction (45) on, respectively symmetrically each ground in left and right is provided with scavenging air belt partition wall (53), thus described scavenging road junction (45)
It is divided into two, and then form the improvement being changed into the many scavenging air belts of two stroke engine by two stroke engine list scavenging air belt, in the hope of
Many and waste gas returns and alters less thus reducing discharge beneficial to the retardance of scavenging road junction;Described scavenging air belt partition wall (53) is by the foot of a wall portion (53a), wall
End (53d), front metope (53c), rear metope (53b) are formed, the described front metope (53c) of scavenging air belt partition wall (53) and after
The piston movement direction of the cylinder chamber along the dress piston of described cylinder body (44) for the metope (53b) extends, described scavenging air belt partition wall
(53) the foot of a wall portion (53a) is connected with the inner wall section in cylinder body (44) of described scavenging road junction (45), described scavenging air belt every
The wall end (53d) of wall (53) and piston sliding contact, the scavenging road junction having in the symmetrical left and right of described cylinder body (44)
(45) the foot of a wall portion (53a) of the upper each symmetrically scavenging air belt partition wall (53) that each ground in left and right is provided be located at the positive middle part of scavenging air belt from
And described scavenging road junction (45) is divided into and is divided into two;Or the scavenging road junction having in the symmetrical left and right of described cylinder body (44)
(45) upper each symmetrically each two ground in left and right are provided with the foot of a wall portion (53a) of scavenging air belt partition wall (53) described scavenging road junction (45) decile
For one dividing into three;The upper each symmetrically each ground in left and right in scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44) sets
Some scavenging air belt partition walls (53) from described scavenging road junction (45) on the foot of a wall portion (53a) edge that is connected of inner wall section of cylinder body (44)
Extending radially out of piston;The upper each symmetrically left and right in scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44) is each
The scavenging air belt partition wall (53) that one ground is provided with from described scavenging road junction (45) in the foot of a wall portion of being connected of inner wall section of cylinder body (44)
(53a) angularly stretch out along the radial direction of piston;The scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44)
Upper each scavenging air belt partition wall (53) that symmetrically each ground in left and right is provided with is from the inwall in cylinder body (44) with described scavenging road junction (45)
The angle that the foot of a wall portion (53a) being partly connected has no more than 50 degree along the radial direction with piston is stretched out;In described cylinder body (44)
The upper each scavenging air belt partition wall (53) that symmetrically each ground in left and right is provided with scavenging road junction (45) that symmetrical left and right has from described
Scavenging road junction (45) is angularly pressed along the radial direction with piston in the connected the foot of a wall portion (53a) of the inner wall section of cylinder body (44)
18.5 degree stretches out;The upper each symmetrically each ground in left and right in scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44) sets
The front metope (53c) of some scavenging air belt partition walls (53) and rear metope (53b) along from described scavenging road junction (45) in cylinder body
(44) the foot of a wall portion (53a) that inner wall section is connected mutually angularly stretches out along the radial direction with piston, described front metope (53c)
With 2 degree of angle of rear metope (53b) mutual;The scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44) is upper each right
Claim about ground the front metope (53c) of scavenging air belt partition wall (53) that is provided with of each ground and rear metope (53b) along from described scavenging
Road junction (45) the foot of a wall portion (53a) of being connected of inner wall section of cylinder body (44) along with the extending radially out of piston, described front metope
(53c) and rear metope (53b) be equiangular spiral curved surface;The scavenging road junction having in the symmetrical left and right of described cylinder body (44)
(45) the upper each symmetrically front metope (53c) of the scavenging air belt partition wall (53) that each ground in left and right is provided with and rear metope (53b) along from
With described scavenging road junction (45) the foot of a wall portion (53a) of being connected of inner wall section of cylinder body (44) along with the extending radially out of piston,
Described front metope (53c) and rear metope (53b) are that equiangular spiral is also known as its tool pressure angle of logatithmic spiral characteristic equal everywhere;
The described built-in two stroke engine reducing discharge, the scavenging road junction having in the symmetrical left and right of described cylinder body (44)
(45) top of upper each symmetrically scavenging air belt partition wall (53) that each ground in left and right is provided with is provided with Fourier function breach (53j), and
There is the Ji Bu of known Method of Mathematical Physics in the tie point of described Fourier function breach (53j) and described the foot of a wall portion (53a)
This overshoot approaches rectangle, and the small-sized single cylinder two-stroke of right case and function Fourier piece wall that described tool increases compression ratio is started
Machine its be provided with the scavenging road junction (45) that the symmetrical left and right of described cylinder body (44) has tool periodic function gibbs overshoot receive
Hold back ripple Fourier piece wall (54), described tool periodic function gibbs overshoot convergence ripple Fourier piece wall (54) is from scavenging road junction
(45) a side and the stifled high-wall that stretches out along the circumferencial direction in the piston cylinder of cylinder body (44), it highly exceedes scavenging road junction
(45) half of depth, depth is the axis direction along piston;The described built-in two stroke engine reducing discharge contains single
To the uniflow scavenged two stroke engine of valve type, it increases the pit size of the blow vent of right case of compression ratio not in described tool
With the pit of the right blow vent (51b) of described right case contains left prism (51g), left straight sided (51y) and left broad side surface
(51h);The pit of the left blow vent (52b) of described left box body contains right prism (52g), right straight sided (52y) and right width side
Face (52h);Described right prism (51g) is 49-58 degree to the right with the angle of the composition surface Ji Gang center split surface of right case;
Described right straight sided (51y) is 84-88 degree with the angle of the composition surface Ji Gang center split surface of right case;Described right tiltedly side
Face (51g) is 59-62 degree to the right with the angle of the composition surface Ji Gang center split surface of right case;Described right straight sided (51y)
Angle with the composition surface Ji Gang center split surface of right case is 88-93 degree;Described right broad side surface (51h) is arcwall face, institute
The left broad side surface (52h) stated also is arcwall face, and it is the arcwall face of one section of composition of logatithmic spiral;Right in described cylinder body (44)
Tool periodic function gibbs overshoot convergence ripple Fourier piece wall (54) that the scavenging road junction (45) that the left and right claiming has is provided with
Described high-wall is the stifled height stretching out along the circumferencial direction in the piston cylinder of cylinder body (44) from a side of scavenging road junction (45)
Wall, it is highly the 79%-91% of scavenging road junction (45) depth, is all the axis direction along piston highly with depth;Described
The tool periodic function gibbs overshoot convergence Bo Fuli that the scavenging road junction (45) that the symmetrical left and right of cylinder body (44) has is provided with
The described side from scavenging road junction (45) of blade wall (54) and stretch out along the circumferencial direction in the piston cylinder of cylinder body (44)
The top of one stifled high-wall is provided with transition flex point (54j), and it has at least one shape and it is approximately Ji Bu of turning round close to 90 degree
What this overshoot convergence ripple i.e. imitative fourier series ground gibbs overshoot phenomenon was drawn gradually approaches rectangle transition ripple;In described cylinder body
(44) the tool periodic function gibbs overshoot convergence ripple Fourier piece that the scavenging road junction (45) that symmetrical left and right has is provided with
A described side from scavenging road junction (45) of wall (54) and along the circumferencial direction in the piston cylinder of cylinder body (44) stretch out one block up
The bottom of high-wall is provided with multiple fluctuating convex-concaves (54k);The scavenging road junction (45) having in the symmetrical left and right of described cylinder body (44)
A described side from scavenging road junction (45) of tool periodic function gibbs overshoot convergence ripple Fourier piece wall (54) being provided with
And the bottom of the stifled high-wall stretching out along the circumferencial direction in the piston cylinder of cylinder body (44) is provided with multiple fluctuating convex-concaves (54k);?
The tool periodic function gibbs overshoot convergence ripple that the scavenging road junction (45) that the symmetrical left and right of described cylinder body (44) has is provided with
A described side from scavenging road junction (45) of Fourier piece wall (54) and stretch along the circumferencial direction in the piston cylinder of cylinder body (44)
The bottom of the stifled high-wall going out is provided with multiple fluctuating convex-concaves (54k), and it is the frequency spectrum gradually decayed that imitative fourier series are drawn
Multiple become close spike from diminishing greatly from thin;Or the scavenging road junction (45) that the described symmetrical left and right portion in cylinder body (44) has
Fourier function breach (53j) that the top of upper each symmetrically scavenging air belt partition wall (53) that each ground in left and right is provided with is provided with is to contain to be
Fourier that imitative fourier series are drawn sine odd function and the blow vent of the wave for only single circular frequency;Described in cylinder
The upper each scavenging air belt partition wall (53) that symmetrically each ground in left and right is provided with scavenging road junction (45) that the symmetrical left and right of body (44) has
Fourier function breach (53j) that is provided with of top be Curved blow vent;The described built-in two-stroke reducing discharge
The described piston (31) of engine is provided with around each one gas storage pit (31a), described gas storage pit its slightly resemble a pear in shape, have big
Microcephaly, less at piston pin axle bed, it is away from larger at piston pin axle bed, the crosscutting hatching of described gas storage pit
(31b) it is curve, the thickness of the section of crosscutting hatching (31b) of described gas storage pit is more than 1.2mm, described gas storage pit
The curve of crosscutting hatching (31b) is the equipotentiality streamline of family of parabolas, and one section of its streamline is to imitate the stream of Method of Mathematical Physics
The higher order functionality of the family of parabolas of the analytical function of the harmonic function meeting Laplace's equation of flow function;Described is built-in
Two stroke engine is under scavenging passage plus the two cycle engine of crank valve control pre-burning gas scavenging, and cylinder body (44) contains blow vent
(44a), enter gas port (44b), left and right each pair claim enter air scoop (44c), each pair first scavenging port of claiming of left and right
(44d), each pair second scavenging port (44f) of claiming of left and right, each pair first scavenging port (44d) of claiming of described left and right and a described left side
Each pair second scavenging port (44f) of claiming right is located at scavenging road junction, described the first scavenging port (44d) and the second described scavenging
The interval of mouthful (44f) and top are provided with along piston movement direction and two scavenging air belts are leaned on piston cylinder is the envelope high-wall (44e) closed,
The inner side of described envelope high-wall (44e) is circular arc by piston cylinder, and piston cylinder is not depend on by sweeping in the outside of described envelope high-wall (44e)
The side of air flue is shaped form, and technique butt strip (55) coexistence with the outer portion at the scavenging road junction of cylinder body, and described technique is taken
Piece (55) contains interval stupefied (55g), interval breach (55e), the first scavenging side wall (55d), the second scavenging side wall (55d), three peaces
Dress hole position and special-shaped packing, and it is formed with the scavenging road junction of cavity, thus becoming the gas blanket making precombustion in scavenging passage
The two stroke engine of shape scavenging;The stupefied upper top at the interval stupefied (55g) of described technique butt strip (55) is curve so that and described
The outside of envelope high-wall (44e) does not depend on piston cylinder to lean on the shaped form of the side of scavenging air belt to coexist and scavenging air belt is divided into two;
The stupefied upper top at the interval stupefied (55g) of described technique butt strip (55) is the quadratic function curve of family of parabolas so that and described envelope height
The quadratic function curve shape coexistence of the equipotentiality streamline of the family of parabolas of side of scavenging air belt is leaned in the outside of wall (44e);Described work
The outside of the interval breach (55e) of skill butt strip (55) and described envelope high-wall (44e) is by the side of scavenging air belt in the first scavenging port
(44d) shaped form between and the second scavenging port (44f) coexists and scavenging air belt is divided into two;The of described technique butt strip (55)
The bottom of first scavenging port (44d) of one scavenging side wall (55d) and described cylinder body coexists and forms the first scavenging road junction;Described
The bottom coexistence of the second scavenging side wall (55d) of technique butt strip (55) and second scavenging port (44f) of described cylinder body and form the
Two scavenging road junctions;The upper top of the first scavenging side wall (55d) of described technique butt strip (55) is that the quadratic function of family of parabolas is bent
Line so that and described envelope high-wall (44e) outside lean on scavenging air belt the equipotentiality streamline of the family of parabolas of side quadratic function curve
Shape coexists and forms the first scavenging road junction;The upper top of the second scavenging side wall (55d) of described technique butt strip (55) is parabola
The quadratic function curve of race so that and described envelope high-wall (44e) outside lean on scavenging air belt the family of parabolas of side equipotentiality streamline
Quadratic function curve shape coexistence and form the second scavenging road junction;Described cylinder body (44) is provided with multiple between its multiple fin
Strengthen radiating in flakes (44x, 44v);Described cylinder body (44) is provided with insertion louvre (44j) in the cross-sectional direction of exhaust outlet;
And the cross-sectional direction in the air inlet of described cylinder body (44) is also provided with straight-through louvre (44k);Described check valve-type direct current
The two stroke engine of scavenging, sets check valve by the combustion chamber of cylinder body (44), its near piston top dead center, in cylinder
Before the ignition of mixed gas of compressed piston upper, the preparation air entry in latch-release cylinder is made to beat due to moving in piston train of dress portion
Open, suck the gaseous mixture of fuel and air in the crankcase below piston;The burning of the piston upper again being produced due to igniting
The pressure of gas, piston moves and simultaneously closes off to bottom dead centre direction air entry from top dead-centre, the gaseous mixture in compression crankcase,
In the piston upper of bottom dead center-nearby, while opening and closing exhaust outlet makes the burning gases in cylinder discharge to outdoor gas, lead to
Cross the scavenging path that crankcase is connected with cylinder, in piston upper latch-release cylinder by preparation scavenging port by gaseous mixture from bent axle
Case imports to the two cycle engine in cylinder;The design has the valve gear with crankshaft-synchronous, this valve be from crankcase to
Cylinder scavenging mouth, the crankcase side of scavenging path is configured to normally closed;The crankcase side of scavenging path valve-closing when
Wait, the gaseous mixture in scavenging path is allowed to, by the flame of combustion gas, burning of igniting, HC reduces later again from crankcase to scavenging port,
The crankcase side of scavenging path is allowed to opening, while the burning gaseous mixture of scavenging path is sent, mixed in crankcase
Close gas and close exhaust outlet before exhaust outlet is discharged, here it is making the two cycle engine that the discharge of HC substantially reduces;Solve
In former structure, and the valve of the above-mentioned bent axle same period is because being designed, scavenging port after the flame extinction of burning gases
If also not opening, the flame of burning gases can make the gaseous mixture ignition in scavenging path and crankcase, makes the gaseous mixture cannot be to
Supply in cylinder, the opening of exhaust outlet will make the opening of scavenging port cross early stage unlatching, and the exhaust outlet in cylinder and scavenging port exist
Simultaneously during opening, the unblended mixture in crankcase and in scavenging path enters in cylinder from exhaust outlet, so gaseous mixture
A part is discharged from exhaust outlet in the state of unburned, becomes and discharges the problem that the gaseous mixture (i.e. HC) in gas increases;
The present invention is outside described air entry exhaust outlet scavenging port, after crankcase scavenging, chases after in the crankcase side of scavenging path
Add opening and closing valve, the gaseous mixture in scavenging path is ignited in the flame of combustion gas and burnt, and scavenging path and crankcase
It is inside that the valve of synchronizing cycle can be truncated according to bent axle, so the gaseous mixture in crankcase will not burn, scavenging simultaneously is led to
When the valve openings with the crankshaft-synchronous cycle, the gaseous mixture in crankcase can be extruded in cylinder combustion gas in road
Out, at the initial stage in exhaust outlet and scavenging port opening simultaneously, the burning gases in scavenging path are fed in cylinder, from row
Will not be adulterated in the exhaust gas that gas port is discharged to outside HC, the burning when exhaust outlet will be closed, in scavenging path
Gaseous mixture in continue crankcase in unblended mixture be fed in cylinder, so in exhaust gas doping HC amount energy
Control and reduce;The described valve gear having with crankshaft-synchronous, is upper in bent axle (57) plus crank valve (56) c-type circle (56a),
Two sides that the c-type circle of described crank valve (56) has a bit of opening are set to the wedge circle (56b) at oblique angle, open when it is a bit of
The side having oblique angle of two sides of mouth rotates with bent axle, in the oral area of the connection crankcase of the scavenging passage of latch-release cylinder just
The effect forming shearing and reducing mutation impact;The described built-in two stroke engine reducing discharge, is provided with same with bent axle
Valve gear that is step plus digging breach, is two of a bit of opening in the upper c-type circle (56a) adding crank valve (56) of bent axle (57)
Side is provided with the pressure coil (56f) of logarithm, when a bit of opening of described pressure coil two sides logatithmic spiral side with song
Axle rotates, and is formed for the logarithm of pressure angle properties equivalent everywhere in the oral area of the connection crankcase of the scavenging passage of latch-release cylinder
Helical affects the effect of air-flow and buffering;The wedge (11b) of the noise control filter screen in scavenging passage is located at described technique butt strip (55)
Side;Filter screen (58) in scavenging passage is located at described technique butt strip (55) side, the filter screen in described scavenging passage be by
The braiding of many wire longitude and latitude forms, and has filtration regulating and controlling effect to breathing between gas and crankcase in cylinder;Anti- in scavenging passage
Filter screen of making an uproar is provided with multiple wedges (11b), and described wedge is multiple hollow six prismatic, and top has aperture, and the advanced wedge of air-flow compresses,
Escape from wedge aperture again and expand, have noise control to filter regulation and control and noise elimination effect;Scavenging on described technique butt strip (55) side
It is provided with catalyst volume (59) its indium of rhodium containing iridium of reduction of discharging in passage, have catalyst effect and noise control to filter regulating and controlling effect to flowing through gas,
There are regular hour difference and isolation and noise elimination adjustment effect, slow down the discharge of the exhaust outlet to scavenging passage for the HC;Described
Above the scavenging passage of left box body (52) and close described technique butt strip (55) side, it is equiped with buffering frame (a58);Described slow
Rushing frame (a58) is square frame-shaped, and the frame of its square frame-shaped carries over the side that against the square hole (c52) that described left box body (52) is provided with
Edge;The square frame-shaped of described buffering frame (a58) is provided with noise reduction hole (f58);On the frame of the square frame-shaped of described buffering frame (a58)
Carry over the filter screen that is sticked (58), described filter screen (58) is the square piece having multiple little filter openings, the multiple little filter opening of described filter screen (58)
Square piece middle part be provided with peripheral ovalize protuberance bulge, the curve of the part of the gabarit of the bulge of described protuberance is tool
One section of the pressure angle logatithmic spiral of properties equivalent everywhere;And the middle part of the square piece of multiple little filter opening of described filter screen (58) is provided with
The bulge of the protuberance of peripheral ovalize projection towards described technique butt strip (55) direction that is to say, that described filter screen
(58) depression of the bulge of the protuberance of peripheral ovalize that the middle part of the square piece of multiple little filter opening is provided with is towards a described left side
Casing (52) and the direction of described buffering frame (a58);Described right case (51) is right crooked wheel axle box, its be provided with polyisocyanate hole every
Wall, described partition wall thickness is less than 2.8mm, and the top of described partition wall is provided with 3 sections of camber lines, and the described camber line of the centre of 3 sections of camber lines is
Circular arc line (527), the both sides of 3 sections of camber lines are logatithmic spiral section (525) and cube curved section (526), many set by described partition wall
At least 2, individual different hole, it is the through hole with the described oral area connecting crankcase for the scavenging passage connecting described latch-release cylinder;Institute
The piston of the engine stated, its cross section is the curve of the part of gabarit of modification on the basis of oval cross section is a cube curve
One section;And the part of the gabarit of the valve sheet of the carburetor of engine is a cube curve;And the valve of the carburetor of engine
The face of piece is logarithmic curve;And the inwall of the inlet channel of the carburetor of engine is cube curve of part;And engine
The inwall entering outlet passageway is cube curve of part;And, multiple kinematic pairs of engine contain the inwall of cylinder body, the side of piston
Face, the joint plating indium of crank connecting link;The described blower having improved safety key and built-in motor it is characterised in that
Blower is used as power using the built-in two stroke engine reducing discharge;The described built-in two-stroke reducing discharge is sent out
Motivation uniflow scavenged two stroke engine containing check valve-type, the check valve bag being provided with by the described combustion chamber in cylinder body (44)
Containing valve pocket (441), valve abnormity passage (442), valve bonnet (443), valve screens disk (444), valve spring (445), valve element (446),
Valve front stall (447);Described valve pocket (441) is located on cylinder body (44), and there are through hole and combustion chamber side in the front portion of described valve pocket (441)
Cylinder chamber communicates, and the middle part of described valve pocket (441) is provided with valve abnormity passage (442) and is connected with crankcase, described valve pocket
(441) rear portion is equipped with valve bonnet (443), and described valve screens disk (444) and described valve spring (445) are contained in described valve element
(446), on, the cylinder chamber other with combustion chamber that described valve front stall (447) is installed in the front portion of described valve pocket (441) communicates
On through hole;The front portion of described valve element (446) is provided with valve front (446c), the valve front that the front portion of described valve element (446) is provided with
(446c) side is provided with function curve ring week sealing ring (446d), and the postmedian of described valve element (446) is provided with valve screens groove
(446b), the rear portion of described valve element (446) is provided with guide post (446a);Described valve bonnet (443) is provided with gathering sill (443a);Institute
State valve screens disk (444) and be provided with keyhole (444a), the flange that has in ring week of described valve screens disk (444) states valve with profit shield residence
Spring (445);One end of described valve spring (445) is provided with and polishes end (445a) and be beneficial to the ring with described valve screens disk (444)
The flange that week is provided with coordinates and protects;The other end of described valve spring (445) does not polish end but free end and described valve
Front stall (447) contact is beneficial to the high speed Free Slosh of described valve element;The front portion of described valve front stall (447) is provided with containing function curve
Circular arc chamfering (447a) so that what the side of the valve front (446c) being provided with the front portion of described valve element (446) was provided with
Described function curve ring week sealing ring (446d) is matched;The keyhole (444a) that described valve screens disk (444) is provided with
Big aperture is easy to first load valve screens groove (446b) of described valve element (446) postmedian from axially set again from radial direction;Described valve
The side wall of special-shaped passage (442) is equiangular spiral shape, and in there being the tubaeform of concentric reducer, equiangular spiral is mathematically also logatithmic spiral
It has known pressure angle characteristic equal everywhere, and the described flaring major part having concentric reducer leads to crankcase, to agree without prior consultation
Go up greatly under runner and little descend pine to tighten and lower slightly go up faster requirement slowly;When descent of piston, the upper cavity pressure of top land subtracts
Little, valve element backs down, after scavenging, after the crankcase pressure of bottom lowers, closed check valve;When piston stroking upward, exceed exhaust outlet,
Crankcase pressure is larger and top land upper cavity pressure reduces, and valve element backs down, air inlet;When piston continues up, top land
Upper cavity pressure increase, valve element close, piston arrive top dead centre north point combustion work done and descending again, so go round and begin again;Described tool changes
The safety key entering and the blower of built-in motor its be contained in and install safety key (62) additional on the blower handle of tool engine
With shank of the key (61), micro- steering airduct (65) and micro- steering base (64) and microswitch (65), set between handle and pressure-vaccum body
Shock absorption buffering mechanism (63), start handle (59) and foot pedal positions (60) start mode, fuel tank transparent with see oil plant employing
Transparent high density polyethylene blowing, carburetor handicapping air door hooks (67) and throttle buckles the shake-up dress automatically opening up air door of (66)
Put, the inwall of the built-in combustion chamber of two stroke engine reducing discharge being adopted on blower adopt parabola shaped,
The ignition point of spark plug is located at the focal point of combustion chamber, makes parabolical focal point consistent with the ignition point coincidence of spark plug, has
Beneficial to the ignition work done effect gathered of synthesis strengthening light and involving electric discharge and all key elements of heat energy.
2. the blower having improved safety key and built-in motor according to claim 1 is it is characterised in that described
Combustion chamber in cylinder body (44) by the valve screens groove that is provided with of the postmedian of the described valve element (446) of check valve that is provided with
(446b) there is step, have a shallow slot, also a deep trouth, in order to the key being provided with described valve screens disk (444)
The big aperture in hole (444a) matches, first described shallow slot from axially set, then the valve loading described valve element (446) postmedian from radial direction
Screens groove (446b).
3. the blower having improved safety key and built-in motor according to claim 1 is it is characterised in that described
Valve abnormity passage (442) side wall be the section of equiangular spiral shape and its passage be oval.
4. the blower having improved safety key and built-in motor according to claim 1 is it is characterised in that described
Valve abnormity passage (442) side wall be the section of equiangular spiral shape and its passage be the hole that logatithmic spiral is surrounded.
5. the blower having improved safety key and built-in motor according to claim 1 is it is characterised in that described
The guide post (446a) that is provided with of rear portion of valve element (446) be the guiding that Long Circle bar and described valve bonnet (443) are provided with
Groove (443a) is Long Circle hole in order to match.
6. the blower having improved safety key and built-in motor according to claim 1 is it is characterised in that described
The guide post (446a) that is provided with of rear portion of valve element (446) be the guiding that polygon bar and described valve bonnet (443) are provided with
Groove (443a) is polygonal hole in order to match.
7. the blower having improved safety key and built-in motor according to claim 1 is it is characterised in that described
Valve front stall (447) the circular arc chamfering (447a) containing function curve that is provided with of front portion be one section of logatithmic spiral so as with
The all sealing rings of described function curve ring that the side of the valve front (446c) that the front portion of described valve element (446) is provided with is provided with
(446d) also it is that a section of logatithmic spiral matches.
8. the blower having improved safety key and built-in motor according to claim 1 is it is characterised in that described
Valve front stall (447) the circular arc chamfering (447a) containing function curve that is provided with of front portion be one section of cube curve so as with
The all sealing rings of described function curve ring that the side of the valve front (446c) that the front portion of described valve element (446) is provided with is provided with
(446d) also it is that a section of cube curve matches.
9. the blower having improved safety key and built-in motor according to claim 1 is it is characterised in that described
Micro- steering airduct (65) and micro- base (64) that turns to be provided with no more than 30 degree of sector notch, and microswitch (65) is in institute
It is accessible, after stating micro- variable wind manage-style pipe and the conjunction of micro- steering tube seated connection, the starting that could be energized.
10. the blower having improved safety key and built-in motor according to claim 1 is it is characterised in that institute
Choke that the carburetor stated is provided with hooks (67) and throttle buckle (66) the touch device automatically opening up air door choke hook
Rotational angle be 30 degree.
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CN201610922702.4A CN106436628A (en) | 2016-10-19 | 2016-10-19 | Blowing and sucking machine provided with improved safety button and built-in engine |
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CN201610922702.4A CN106436628A (en) | 2016-10-19 | 2016-10-19 | Blowing and sucking machine provided with improved safety button and built-in engine |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US11434929B2 (en) | 2019-08-02 | 2022-09-06 | Techtronic Cordless Gp | Blowers having noise reduction features |
US11778960B2 (en) | 2020-01-21 | 2023-10-10 | Techtronic Cordless Gp | Blowers |
US11817073B2 (en) | 2020-01-21 | 2023-11-14 | Techtronic Cordless Gp | Power tool having noise reduction features |
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CN201826965U (en) * | 2010-07-24 | 2011-05-11 | 山东华盛农业药械股份有限公司 | Two-stroke layering scavenging engine |
CN202644459U (en) * | 2012-05-22 | 2013-01-02 | 浙江安奇迪园林机械有限公司 | Novel leaf suction machine |
CN203162254U (en) * | 2013-03-14 | 2013-08-28 | 宁波华成阀门有限公司 | Check valve |
CN105422259A (en) * | 2015-11-16 | 2016-03-23 | 宁波大叶园林设备有限公司 | Two-stroke gasoline engine with catalytic agent, filter screen and valve control over pre-combustion scavenging additionally adopted in scavenging channel |
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DE2361177A1 (en) * | 1972-12-08 | 1974-06-12 | Honda Motor Co Ltd | TWO-STROKE COMBUSTION MACHINE |
CN2788909Y (en) * | 2005-05-30 | 2006-06-21 | 孔钊 | Garden tool |
CN201826965U (en) * | 2010-07-24 | 2011-05-11 | 山东华盛农业药械股份有限公司 | Two-stroke layering scavenging engine |
CN202644459U (en) * | 2012-05-22 | 2013-01-02 | 浙江安奇迪园林机械有限公司 | Novel leaf suction machine |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US11434929B2 (en) | 2019-08-02 | 2022-09-06 | Techtronic Cordless Gp | Blowers having noise reduction features |
US11841023B2 (en) | 2019-08-02 | 2023-12-12 | Techtronic Cordless Gp | Blowers having noise reduction features |
US11778960B2 (en) | 2020-01-21 | 2023-10-10 | Techtronic Cordless Gp | Blowers |
US11817073B2 (en) | 2020-01-21 | 2023-11-14 | Techtronic Cordless Gp | Power tool having noise reduction features |
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Address after: 315403 Yuyao, Zhejiang Jin Feng Road, No. 58 Applicant after: Ningbo big leaf garden equipment Limited by Share Ltd Address before: 315403 Yuyao, Zhejiang Jin Feng Road, No. 58 Applicant before: Equipment Co., Ltd. Ningbo Ye Yuanlin |
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