CN202451276U

CN202451276U - Piston air intake two-stroke linear power generation system

Info

Publication number: CN202451276U
Application number: CN2011203626729U
Authority: CN
Inventors: 唐明龙; 刘斌; 李小年
Original assignee: TIANJIN XIJING POWER TECHNOLOGY Co Ltd
Current assignee: TIANJIN XIJING POWER TECHNOLOGY Co Ltd
Priority date: 2011-09-26
Filing date: 2011-09-26
Publication date: 2012-09-26
Anticipated expiration: 2021-09-26

Abstract

The utility model relates to a piston air intake two-stroke linear power generation system. The piston air intake two-stroke linear power generation system is characterized in that: an auxiliary cylinder and a piston fixed with a power generation rotor shaft are provided on the basis of the scheme of double-cylinder opposed push-pull work linear power generation and the work frequency is further adjusted by adjusting the pressure of the auxiliary cylinder; the piston and a transmission shaft are hollow barrel-shaped, an intake valve is arranged on the piston and uniflow scavenging is realized; an oil storage ring is arranged below the circalittoral zone at the periphery of the piston; and when the piston moves near a lower stop point, the oil storage ring is opposite to a lubricating oil inlet hole and a lubricating oil outlet hole of the cylinder body, the lubricating oil is sprayed on the oil storage ring, the redundant lubricating oil is discharged, and the lubricating oil is completely separated from the intake air.

Description

Piston intake two-stroke linear generating system

Technical field

The invention belongs to the linear generating field, particularly be with assistant cylinder, piston intake separates lubricated two-stroke linear generating system fully.

Background technique

It is little that the linear generating system has mechanical loss; Compression ratio is adjustable; The high characteristics of theoretical efficiency of heat engine; But the linear generating system exists how efficiently to realize piston and the reciprocating difficult point of linear electric generator, and existing linear generating system realizes that straight line motion is divided into following several types: the opposed symmetrical operation of (1) twin-tub (cylinder compression, cylinder acting) two-stroke power generation system; (2) single cylinder mechanical spring or assistant cylinder spring two-stroke power generation system; (3) simple electricity drives four-stroke or two-stroke generating system, (4) two-shipper tool spring forced oscillation dynamic formula four-stroke power generation system; From realizing reciprocating complexity, the easiest realization of two-stroke power generation system of the opposed symmetrical operation of twin-tub is the scheme that realizes practice in certain field; But have the not high problem of system frequency, especially, exist at least on the fuel supply path of two stroke engine cylinder lubricating oil air supply opening, relief opening one of them; Lubricant oil is sneaked in mixed gas or the waste gas; Increase and pollute, in today of paying attention to environmental protection, emission problem is the obstacle of two stroke engine development.

Summary of the invention

The present invention provides a kind of two-stroke linear generating system that reduces pollution, improves frequency of okperation, raises the efficiency; Concrete scheme is: the scheme with the opposed symmetrical operation linear generating of twin-tub is the basis; Increase an assistant cylinder and one and generating mover axle piston fixed, the valve of adjustment working pressure is installed, on the assistant cylinder when power demand is higher; Increase the pressure of assistant cylinder, improve the frequency of okperation of system; Establish the Electromagnetic Drive exhaust valve in cylinder head, piston and transmission shaft are hollow tube-shape, on piston, are installed into valve, realize uniflow scavenging, improve scavenging efficiency; The oil storage ring is installed below piston periphery endless belt, and the oil storage ring is a rough surface, has the steel loop of fold; The bottom of oil storage ring is an oil ring, and the bottom of oil ring is an inlet hole, and this oil ring separates lubricant oil and inlet hole; Piston motion is near the lower dead center time, and the lubricant oil of oil storage ring and cylinder block is relative into and out of oilhole, and lubricant oil is sprayed on the oil storage ring; And discharge unnecessary lubricant oil, and piston is early stage to the top dead center motion, and the residual oil in the oil ring is to the cylinder wall lubricate; When top dead center moved to the middle and later periods, piston was retarded motion at piston, and lubricant oil relies on inertia in oil ring, to move in the oil storage ring; Improve near the lubrication effect of the cylinder wall of top dead center, realize that lubricant oil separates with air inlet fully.

In order to guarantee the air inlet effect, the air intake pressurized scheme of optimization is electronic supercharging and the supercharging mode that mixes of waste gas supercharging, coaxial installation exhaust gas turbine and supercharging motor respectively on the both sides of charging turbine; Motor moves with motoring condition when system start-up and low speed, improves the suction pressure under the low speed, when system's middling speed is moved; Move with the waste gas supercharging mode; When system high-speed moves, adopt the waste gas supercharging, machine operation is at generating state simultaneously; Make secondary speed unlikely too high, make full use of exhaust energy simultaneously.

In order to realize that the intake valve on the piston normally opens and closes, preferred drive scheme is the inertia valve actuation, for each valve on the piston is installed a valve actuation rocking arm; A weight-driven piece; The valve actuation rocking arm links to each other with piston through middle running shaft, and valve actuation rocking arm one end withstands on the valve stem top, has to flick spring the weight-driven piece is contacted with the other end of valve actuation rocking arm; Under balance; The elastic force of valve spring is higher than the elastic force of weight-driven piece spring, makes valve-closing, when piston motion is near lower dead center; Because compressive force, the electromagnetic force of linear electric generator and the compressive force of assistant cylinder of another cylinder mixed gas make piston produce 10 ²To 10 ³The retarded motion of g, weight-driven piece promote the valve actuation rocking arm and open valve under effect of inertia, the initial stage weight-driven piece that piston is moved to top dead center by lower dead center also promotes the valve actuation rocking arm and opens valve under effect of inertia; When system made, the resiliency characteristics of adjustment weight-driven piece weight and valve spring can be adjusted valve and open advance angle and close delay angle; In system's running, weight-driven piece weight and valve spring characteristic are fixed, when needs increase power; Realize that through following several kinds of modes power increases, (1) increases the exhaust valve exhaust advance angle, exhaust in advance in the cylinder; Pressure on the intake valve reduces in advance, and the weight-driven piece drives valve in advance and opens, and increases intake valve and opens advance angle; Air inflow increases, and power increases; (2) pressure of increase assistant cylinder, the system works frequency increases, and power increases, and the driving force of weight-driven piece generation simultaneously reaches valve in advance and opens requirement; System opens advance angle to be increased, and (3) increase inlet air pressure, improves power; When system power increased, the IC Intake Valve Closes delay angle can automatically prolong, and opening the required weight-driven piece of valve is cylindricality; Be optimized for cylindrically, and be installed in the cylinder, the cylinder bottom has buffer structure; The buffer structure of optimizing is that the gap is big between cylinder top and the gravity block, and the cylinder bottom gap is little, the motion of buffering gravity block; The valve material of optimizing is high density materials such as heat-resisting aluminium alloy, weight reduction, the material preferably copper of weight-driven piece.

In order to give full play to the characteristics of this system's variable compression ratio, the working method of optimization is the homogeneous compression-ignition mode, but is not limited to the homogeneous compression-ignition mode, and the working pressure of homogeneous compression-ignition is high; Cylinder block and the cylinder cap optimized are integral type, and the cooling water channel in the cylinder block is the axial water channel of annular distribution, is main with circular port, is a pair of major axis shape hole at the exhaust valve relative position; The water channel of cylinder block for straight-through water channel, extends in the water channel of cylinder head in the axial direction always, and the water channel of cylinder head is a double layer; The circular course of lower floor's water channel periphery and cylinder block is straight-through, and is partly straight-through with major axis shape water channel, lower floor's water channel increased radioactivity guide plate of cylinder head; This guide plate plays reinforced structure simultaneously, and the upper strata water channel of cylinder head is a cavity structure, and a cover plate is arranged between lower floor's water channel; Link to each other with the lower floor water channel in the middle of the cover plate, the upper strata water channel links to each other with water outlet, like this from the current of cylinder block from periphery inflow lower layer of water road; Conflux into the upper strata water channel to the centre, discharge through water outlet, cooling system is more even; Channel structure is simple, and the therapeutic method to keep the adverse qi flowing downward cylinder cap and the cylinder block of optimization are integrated, and increases the cylinder body anti-pressure ability.

The cylinder block bottom of optimizing is installed one and is joined oil, atmospheric pressure board, joins the oil gas pressing plate and is divided into three vertically partly, leans on upper part for joining the oil section; Two oilholes that distribute, one is oil inlet hole, one is oil outlet; By being gas distribution section partly down, annular distribution inlet hole, inlet hole are divided into radially partly with partly axial; Axial partly upward opening, the position relative, no inlet hole with oil distributing hole.A platen is arranged on the cylinder block; At cylinder block periphery (or assistant cylinder periphery) distribution T type tank and radioactivity tank; With motor shaft to cooling water hole quantity introduce the cylinder block cooling water hole after reducing one times, the air distribution hole that between the radioactivity tank, distributes, the air distribution hole on the cylinder block platen communicates with axial bore on joining the oil gas pressing plate; Join between oily distribution pressing plate and the cylinder block bottom and air distribution hole and bosh are separated with sealing gasket; The cylinder body outside is led in the gap that air distribution hole passes between the bosh, through the air feed cover, realizes air feed. [0008]The linear electric generator of optimizing is the moving-magnetic linear generator, and the permanent magnetism mover is that the radial permanent magnet ring of one pole is fixed through magnetic conduction grommet and radiant stand, and radiant stand is fixing to be fixed with inner core; Inner core and transmission shaft are fixed; Magnetic circuit is inner iron core, outer iron core and magnetic conduction end cap, and inner iron core is radial, and radioactivity mover support can axial motion between fan-shaped inner iron core; Outer iron core has vertical cooling liquid hole; Annular distribution cooling liquid hole also communicates with vertical cooling liquid hole, and outer outside unshakable in one's determination is the water channel overcoat, and water channel has put water intake outward; Linear generating system stator coil is magnetic conduction and conduction alternate type structure; Magnetic guiding loop inner radius thickness is greater than outer radius thickness; The inner radius magnetic conduction partly thickness the line is busy that circle is always worked magnetic induction intensity divided by permeability magnetic material maximum functional induction for the air gap place at high proportion, magnetic guiding loop inner radius thickness and outer radius thickness are than the inverse that equals their diameter ratio.

Beneficial effect of the present invention is: adopt the distribution scheme of piston intake, top exhaust, can realize the cylinder lubrication that separates fully, the pollution problem that solves two-stroke linear generating system; Increase the frequency of okperation that assistant cylinder can improve two-stroke linear generating system, improve the power of system; Straight-through cooling water channel and the radial guide plate that adopts, therapeutic method to keep the adverse qi flowing downward cylinder cap is made with the cylinder block one, and the mechanical strength adaptation homogeneous compression-ignition mode that helps increasing cylinder is worked, and raises the efficiency.

Description of drawings

Fig. 1 is a piston intake two-stroke linear generating system stereogram, and Fig. 2 is a piston intake two-stroke linear generating system sectional drawing, and Fig. 3 is combination mover figure, and Fig. 4 is the piston assembly External view; Fig. 5 is the piston External view, and Fig. 6 is the piston assembly interior view, and Fig. 7 is the piston assembly sectional drawing; Fig. 8 is direct-connected motor cylinder block plan view, and Fig. 9 is direct-connected motor cylinder block worm's eye view, and Figure 10 is the cylinder block worm's eye view that links to each other with assistant cylinder; Figure 11 joins oil gas pressure plate structure figure, and Figure 12 is the worm's eye view of assistant cylinder, and Figure 13 is the plan view of assistant cylinder; Figure 14 is a cylinder head lower cover worm's eye view, and Figure 15 is a cylinder head lower cover plan view, and Figure 16 is a cylinder head loam cake worm's eye view; Figure 17 is a cylinder head lower cover plan view, and Figure 18 is electromagnetic air valve driving mechanism structure figure, and Figure 19 is the motor supercharging and the structural representation that mixes supercharging of waste gas supercharging; Figure 20 is the linear motor rotor structural drawing, and Figure 21 is the linear motor stator electric structural perspective, and Figure 22 is the linear motor stator electric section of structure.

Embodiment

Fig. 1, Fig. 2, Fig. 3 have explained outside of the present invention and inner general structure, comprise linear electric motor (700), the fixing respectively cylinder block (100) in two ends; With an assistant cylinder (500), another cylinder block and assistant cylinder are fixed, and two therapeutic method to keep the adverse qi flowing downward cylinder caps (200) are separately fixed at two cylinder block tops; Two therapeutic method to keep the adverse qi flowing downward cylinder caps (200) of optimizing respectively with the integrated manufacturing of cylinder block; Cylinder cap top is water-supply line section (300) and valve actuation section (400), is installed into air-casing (600), two pistons (800) in the lower, outer perimeter of cylinder block; An auxiliary piston (900); Coaxial being fixed together of a linear motor rotor (1000), and be slidingly matched with linear generating system outer, coaxial, linear motor rotor (1000) is in the inner axial motion of linear electric motor (700); Auxiliary piston (900) axial motion in assistant cylinder (500), piston (800) axial motion in cylinder block (100).

Fig. 4～Fig. 7 has explained valve actuation mechanical structure on piston and the piston, and valve (802) has been installed on the piston head (801), and piston peripheral ring bank (803) next coming in order have been installed first compression ring (804); Second compression ring (805), last oil ring (806) oil storage ring (808), oil storage ring are the coarse steel loop with fold; Piston cylinder (811) plays the transmission shaft effect simultaneously, and the piston barrel distribution oilhole (812) of oil storage ring is installed, and oilhole (812) leads to the oilhole on each valve guide bushing (820) through stiffening rib on the piston (818) inside; Lubricated valve guide bushing (820) and valve stem (819), distribution two seals ring (821) on the valve guide bushing, seal ring (821) stops unnecessary oil leak; Oil storage ring (808) bottom is following oil ring (809); Following oil ring (809) bottom annular distribution inlet hole (810), the ring between last oil ring (806) and the oil storage ring (808) divides spreader groove (807) on the bank, and last oil ring (806) scrapes unnecessary lubricant oil and is discharged on the oil storage ring (808) through oil groove (807); The lubricant oil of oil storage ring (808) also can flow in the oil ring (806) through oil groove (807) simultaneously; Valve spring (822), valve stem (819) and cotter seat (817) are installed by conventional method, and valve actuation rocking arm (815) is installed on the rocker arm bracket (816) through running shaft (823), and rocking arm (815) one ends withstand on valve stem (819) top; rocking arm (815) the other end withstands on the weight-driven piece (813); rocking arm (815) is equipped with gap adjustment nail (814), and weight-driven piece (813) is slidingly mounted in the driving block installation tube (824), and weight-driven piece (813) inside is equipped with spring (826); spring bottom erection column core (825); post core (825) can be fixed on the piston, and weight-driven piece (813) is little matching gap with installation tube (824) bottom, and the middle and upper part is big matching gap; when weight-driven piece (813) and installation tube (824) move to the bottom, play the kicking motion effect; valve material is high density materials such as heat-resisting aluminium alloy, weight reduction, the material preferably copper of weight-driven piece.

When piston to the lower dead center retarded motion; Or when top dead center accelerated motion; Weight-driven piece (813) produces thrust to rocking arm (815), can promote rocking arm (815) and open the weight and the size that adds (subtracting) speed that intake valve (802) thrust size depends on weight-driven piece (813), the weight of adjustment weight-driven piece (813); The resiliency characteristics of valve spring (822); Can obtain valve under the declared working condition (802) and open advance angle and valve-closing delay angle, assistant cylinder pressure increases, and valve was opened advance angle and the valve-closing delay angle can increase when load increased; Increase exhaust valve and open the advance angle of opening that advance angle also can increase intake valve (802), increase air inflow.

Fig. 8～Figure 11 has explained block structure; Cylinder block integral body is the structure that platen (106) and cylinder barrel (102) combine, and cylinder block is divided into two kinds, the one, and the cylinder block (Fig. 8, Fig. 9) that directly links to each other with linear electric motor; Another kind is the cylinder block (Figure 10) that links to each other with assistant cylinder; Because linear electric motor are bigger than assistant cylinder diameter, the platen (106) of the cylinder block that directly links to each other with linear electric motor is bigger, in periphery T type tank (120a) is arranged; The water channel hole of per two linear electric motor is accumulated a tank (120b); And be distributed with stiffening rib (105), and the fixing threaded hole of two kinds of cylinder block (108,108a) distribution diameter is different, and other structure of two kinds of cylinder block is identical; Cylinder liner (101) drive fit is installed in cylinder barrel (102) endoporus, the straight-through water channel that distributes on cylinder barrel (102) barrel, and great majority are circular course (103); With a pair of major axis shape of the position distribution water channel (104) of air outlet flue relative (Figure 14,204), the width of every pair of major axis shape water channel (104) is greater than the width of air outlet flue; The some of major axis shape water channel (104) can be avoided air outlet flue, straight-through cylinder cap water channel (Figure 14,205); A big counterbore is arranged in the middle of the platen (106); Tank (120b) radioactively is distributed in platen (106) surface, and links to each other with circular course (103) and major axis shape water channel (104), and T type tank and radioactivity tank (120b) are pressed in magnetic conduction end cap (Figure 22; 710), assistant cylinder platen (Figure 13; 507), join on oil, the distribution pressing plate (121), and under the cooperation of sealing gasket, form the water channel of sealing; Annular distribution axial admission hole (107) between the tank (120b) on the platen (106); Join axial admission hole (107b) and radial air inlet hole (107c) that oil gas pressing plate (121) annular distribution communicates; Distribute two radially oil hole (109b, 109c), the big counterbore of cylinder block platen (106) with join oil, atmospheric pressure board (121) drive fit or cooperate through Sealing; Inlet hole 107a communicates with 107b; Air through supercharging is dispensed into inlet hole (107) through intake duct (Fig. 1,601), and air is successively from inlet hole 107,107a, 107b, 107c, 810, entering piston cylinder (811) inside; Two oil holes (109) get in the cylinder liner (101) through 109a, 109b, 109c, 109d successively; Near piston (800) moves to lower dead center; When oil hole 109d is positioned between oil ring (806) and the following oil ring (809); Lean on oil hole (109) the spray machine oil on top, lean on the oil hole of bottom to reclaim machine oil, realize the machine oil replacement, replenish.

Figure 12, Figure 13 have explained the structure of assistant cylinder, are the tubular structure of band platen, and platen (504) is gone up distribution T type tank (505) and radioactivity tank (505a); Cylinder block with directly linking to each other with motor is the same, and T type tank reduces linear electric motor water channel quantity half the, and assistant cylinder barrel (501) is gone up the straight-through circular course (508) of annular distribution; And communicate with the interior end (505b) of radioactivity tank (505a); There is end cap (507) assistant cylinder barrel (501) end, cylinder barrel (501), end cap (507) and motor magnetic conduction end cap (Figure 22,710) and attachment driving shaft (Fig. 3; 905) piston cylinder (811) auxiliary piston (900) constitutes two cylinders; Form the air spring structure, the mover auxiliary power can be provided, improved frequency of okperation; Also have two adjusting pores (502) to communicate on the cylinder barrel, and link to each other with external pressure adjustment valve with inner cylinders.

Figure 14～Figure 17 has explained the structure of cylinder head, and cylinder head is divided into lower cover (Figure 14,15), and loam cake (Figure 16,17); Adopt the sealing gasket sealing between the upper and lower cylinder head; Therapeutic method to keep the adverse qi flowing downward cylinder cap (201) is over against part distribution 2 to 3 valve-seat bores (202) of cylinder block, and 1 nozzle opening (203) is when selecting igniting type; Comprise spark-plug hole; Annular distribution circular course (206) and major axis shape water hole (205), water annulus (206) is water channel (209) through to the cylinder head bottom, and the some in major axis shape water hole (205) and bottom water channel (209) are straight-through; Lower floor's water channel increased radioactivity guide plate (207) of cylinder head, this guide plate plays reinforced structure simultaneously, and guide plate and valve guide bushing seat (202a) and nozzle holder (203a) stay water channel (208,208a) when contacting; The upper strata water channel (305) of cylinder head is a cavity structure; Inside has and valve guide bushing seat (202a) and the corresponding conduit of nozzle holder (203a) (303,304), is a cover plate (301) between upper strata water channel and the lower floor's water channel; Upper water road cover plate center hole (302); Current from cylinder block flow into lower layer of water road (209) from periphery like this, conflux into the upper strata water channel to center hole (302) again, discharge through water outlet (306); The accompanying drawing of this enforcement is explained therapeutic method to keep the adverse qi flowing downward cylinder cap and cylinder block respectively; But can find out that from Fig. 8 and Figure 14 its water channel is shaped as identical bypass structure, the structure of optimization is that therapeutic method to keep the adverse qi flowing downward cylinder cap and cylinder block are integrated; The upper cylinder lid back side (401) distribution valve actuation mounting hole (402), oil nozzle mounting hole (403), lubricant oil oil inlet hole (404) lubricant oil oil outlet (405).

Figure 18 has explained the electromagnetic air valve driving mechanism, and two springs (406) are formed vibration system with armature (401), and the one pole width of cloth is fixed together to permanent magnet (402) and armature (401); Form compound mover, inner iron core (403), outer (405) unshakable in one's determination, magnetic conduction end (406) constitute the linear electric motor magnetic circuit of annular gap, and coil (404) is magnetic conduction and conduction alternating structure; Be fixed in the outer iron core and the one pole width of cloth between permanent magnet (402), constitute the linear motor stator electric coil, the one pole width of cloth is fixed between another electromagnet coil and the interior iron to permanent magnet 402a; Partly constituted electromagnet and the compound structure of linear electric motor of permanent magnetism adhesive below the armature, armature has constituted the electromagnet structure of permanent magnetism adhesive with upper part, when armature during near the adhesive face of iron core; The magnetic flux of

permanent magnet

402 and 402a turns to armature in a large number, armature is remained on the attracted position, when armature need discharge; In respective coil, carry out reverse excitation; Armature discharges, and armature moves under the promotion of spring (406), the linear electric motor energising that in movement process, constitutes to lower electromagnet; Replenish maximum system energy; And the control valve crash speed, in order to adjust the valve-closing gap, also designed hydraulic lash regulating mechanism (407) in the system; This valve actuating mechanism is existing technology (PCT/CN2011/000786), no longer details here.

Figure 19 has explained the structure of mixing supercharging of motor supercharging with the waste gas supercharging, at the both sides of charging turbine (1101) difference coaxial installation exhaust gas turbine (1102) and supercharging motor (1103), electric motor starting when system start-up and low speed; Improve the suction pressure under the low speed, when system's middling speed is moved, move with waste gas increase mode; When system high-speed moves, adopt the waste gas supercharging, machine operation is at generating state simultaneously; Make secondary speed unlikely too high, make full use of exhaust energy simultaneously.

Figure 20 has explained the linear motor rotor structure; The one pole width of cloth is enclosed within on the magnetic conduction grommet (1002) to permanent-magnetic clamp (1001); Radiant stand (1004) is integrated with inner core (1005); Select for use lightweight not have magnetic material (like heat-resisting aluminium alloy), magnetic conduction grommet (1002) is weldingly fixed on radiant stand.

Figure 21,22 has explained the linear motor stator electric structure; Outer unshakable in one's determination (702) be ring structure, and the vertical cooling water hole (703) that distributes, and vertically communicate with water channel (711) radially in the middle part of the cooling water hole; Cooling jacket (701) stuffing box gland (702) periphery unshakable in one's determination outside; Water inlet (708) is arranged on the cooling jacket, and stator coil (704) overlaps outside in the iron core, the stator coil two ends non-conductive grommet of no magnetic (709) that distributes; Stator coil (704) is conductive winding and magnetic guiding loop alternating structure; Stator coil (704) magnetic guiding loop inner radius thickness is greater than outer radius thickness; The inner radius magnetic conduction partly thickness the line is busy that circle is always worked magnetic induction intensity divided by permeability magnetic material maximum functional induction for the air gap place at high proportion, magnetic guiding loop inner radius thickness and outer radius thickness are than the inverse that equals their diameter ratio; Inner iron core (705) is fan-shaped; Increased radioactivity; Between each fan radioactivity gap (707) is arranged, annular gap (706) is arranged between inner iron core and the stator coil, there is magnetic conduction end cap (710) at the linear electric motor two ends; The mover radiant stand of Figure 20 is in radioactivity gap (707) motion, and the one pole width of cloth of Figure 20 moves in annular gap (706) to permanent-magnetic clamp (1001) and magnetic conduction grommet (1002).

Claims

1. piston intake two-stroke linear generating system; It is characterized in that being the basis with the scheme of the opposed symmetrical operation linear generating of twin-tub; Increase an assistant cylinder and one and generating mover axle piston fixed, the valve of adjustment working pressure is installed, on the assistant cylinder when power demand is higher; Increase the pressure of assistant cylinder, improve the frequency of okperation of system; Establish the Electromagnetic Drive exhaust valve in cylinder head, piston and transmission shaft are hollow tube-shape, on piston, are installed into valve, realize uniflow scavenging, improve scavenging efficiency; The oil storage ring is installed below piston peripheral ring bank band, and the oil storage ring is a rough surface, has the steel loop of fold; The bottom of oil storage ring is an oil ring, and the bottom of oil ring is an inlet hole, and this oil ring separates lubricant oil and inlet hole; Piston motion is near the lower dead center time, and the lubricant oil of oil storage ring and cylinder block is relative into and out of oilhole, and lubricant oil is sprayed on the oil storage ring; And discharge unnecessary lubricant oil, and piston is early stage to the top dead center motion, and the residual oil in the oil ring is to the cylinder wall lubricate; When top dead center moved to the middle and later periods, piston was retarded motion at piston, and lubricant oil relies on inertia in oil ring, to move in the oil storage ring; Improve near the lubrication effect of the cylinder wall of top dead center, realize that lubricant oil separates with air inlet fully.

2. asking 1 described piston intake two-stroke linear generating system according to right, it is characterized in that piston intake door drive scheme is the inertia valve actuation, is that each valve is installed a valve actuation rocking arm on the piston; A weight-driven piece; The valve actuation rocking arm links to each other with piston through middle running shaft, and valve actuation rocking arm one end withstands on the valve stem top, has to flick spring the weight-driven piece is contacted with the other end of valve actuation rocking arm; Under balance; The elastic force of valve spring is higher than the elastic force of weight-driven piece spring, makes valve-closing, when piston motion is near lower dead center; Because compressive force, the electromagnetic force of linear electric generator and the compressive force of assistant cylinder of another cylinder mixed gas make piston produce 10 ²To 10 ³The retarded motion of g, weight-driven piece promote the valve actuation rocking arm and open valve under effect of inertia, the initial stage weight-driven piece that piston is moved to top dead center by lower dead center also promotes the valve actuation rocking arm and opens valve under effect of inertia; When system made, the resiliency characteristics of adjustment weight-driven piece weight and valve spring can be adjusted valve and open advance angle and close delay angle; In system's running, weight-driven piece weight and valve spring characteristic are fixed, when needs increase power; Realize that through following several kinds of modes power increases, (1) increases the exhaust valve exhaust advance angle, exhaust in advance in the cylinder; Pressure on the intake valve reduces in advance, and the weight-driven piece drives valve in advance and opens, and increases intake valve and opens advance angle; Air inflow increases, and power increases; (2) pressure of increase assistant cylinder, the system works frequency increases, and power increases, and the driving force of weight-driven piece generation simultaneously reaches valve in advance and opens requirement; System opens advance angle to be increased, and (3) increase inlet air pressure, improves power, when system power increases; The IC Intake Valve Closes delay angle can automatically prolong, and opens the required weight-driven piece of valve and is optimized for cylindrically, and is installed in the cylinder; The cylinder bottom has buffer structure, and the buffer structure of optimization is that the gap is big between cylinder top and the gravity block, and the cylinder bottom gap is little; The motion of buffering gravity block, the valve material of optimization is a heat-resisting aluminium alloy, weight reduction.

3. ask 1 described piston intake two-stroke linear generating system according to right; It is characterized in that cylinder head is Double-layer drain and becomes one with cylinder block; Cooling water channel in the cylinder block is the axial water channel of annular distribution, lower floor's water channel increased radioactivity guide plate of cylinder head, and this guide plate plays reinforced structure simultaneously; Between the upper strata water channel of cylinder head and the lower floor's water channel cover plate is arranged, have in the middle of the cover plate center hole to link to each other with the lower floor water channel.

4. ask 1 described piston intake two-stroke linear generating system according to right, it is characterized in that the air intake pressurized scheme is electronic supercharging and the supercharging mode that mixes of waste gas supercharging, coaxial installation exhaust gas turbine and supercharging motor respectively on the both sides of charging turbine; Motor moves with motoring condition when system start-up and low speed, improves the suction pressure under the low speed, when system's middling speed is moved; Move with the waste gas supercharging mode; When system high-speed moves, adopt the waste gas supercharging, machine operation is at generating state simultaneously; Make secondary speed unlikely too high, make full use of exhaust energy simultaneously.

5. ask 1 described piston intake two-stroke linear generating system according to right; The mover that it is characterized in that linear electric generator adopts the radiant stand and the one pole width of cloth to permanent magnet; The permanent magnetism mover is that the radial permanent magnet ring of one pole is fixed through magnetic conduction grommet and radiant stand, and radiant stand and inner core are fixed, and inner core and transmission shaft are fixed; Inner iron core distributes for the fan shooting shape, and radioactivity mover support can axial motion between fan-shaped inner iron core.

6. ask 1 described piston intake two-stroke linear generating system according to right; It is characterized in that linear generating system stator coil is magnetic conduction and conduction alternate type structure; Magnetic guiding loop inner radius magnetic conduction partly thickness the line is busy that circle is always worked magnetic induction intensity divided by permeability magnetic material maximum functional induction for the air gap place at high proportion, magnetic guiding loop inner radius thickness and outer radius thickness are than the inverse that equals their diameter ratio.