CN108301936A - A kind of horizontal special engine crankcase - Google Patents
A kind of horizontal special engine crankcase Download PDFInfo
- Publication number
- CN108301936A CN108301936A CN201810297091.8A CN201810297091A CN108301936A CN 108301936 A CN108301936 A CN 108301936A CN 201810297091 A CN201810297091 A CN 201810297091A CN 108301936 A CN108301936 A CN 108301936A
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- China
- Prior art keywords
- crankcase
- cylinder
- engine
- bent axle
- horizontal cylinder
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Classifications
-
- 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
- F02F7/0002—Cylinder arrangements
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of horizontal cylinder convertible engines crankcases, including crankcase, the small rostral of the crankcase is equipped with the crankcase intake of installation intake valve, the crankcase microcephaly side-inlet edge is provided with carburetor seat installation position, the air feeding in center axis of carburetor is arranged with cylinder-bore axis at the upper counterangle, inertia airintake direction is consistent with bent axle direction of rotation, the big rostral of crankcase offers symmetrical crankcase scavenging road and the cylinder installation position of changeable cylinder installation direction, crankcase front and rear sides bottom is provided with engine fixed bit everywhere, the present invention relates to two-cycle engine crankcase technical fields.The horizontal cylinder convertible engines crankcase, the air feeding in center axis of carburetor is arranged with cylinder-bore axis at the upper counterangle, be conducive to improve air inlet pack effectiveness, the engine total height designed using the angle is very low, by the cooperation in symmetrical crankcase scavenging road and scavenging channel of cylinder, cylinder can be installed with both front and back angle.
Description
Technical field
The present invention relates to two cycle gasoline piston engine technical fields, specially a kind of horizontal cylinder convertible engines
Crankcase.
Background technology
The visible engine in market either two strokes or four-stroke engine are from engine in terms of output axis direction, into row
All with crankshaft center line at 90 degree of right-angle relationships, air inlet design is closed on crankcase or cylinder with exhaust outlet opposite side in gas direction
System and exhaust outlet are corresponding direction, and discharge directions are all fixed direction, cannot change its direction, can not adapt to different occasions
Used on different equipment, belong to special computer for special use, in the case of having no alternative using when must add and extend bend pipe and change discharge directions, increase
Cost cannot meet requirement by bend pipe at all sometimes, whole occupied space be it is rectangular, relatively individual special fields without
Method is installed or not applicable result.Unfavorable to reducing occupancy engine height or space, this undoubtedly causes to expand in different field
The sales volume of a engine is had no chance to seize another part and segments market by a degree of restriction.For fee to develop
Comparatively amortization is in higher trend.
Such as individual fire pumps, engine output shaft one end will install water pump mechanism, it, will if exhaust is this direction
Exhaust in space can be caused to interfere with pump case or lower two kinds of components are not enough installed at all, therefore discharge directions are necessary for another
Side.For another example unmanned fixed wing aircraft, engine output shaft drive propeller rotational, divide drawing-in type and push type, for engine
Discharge directions require also be not quite similar.Also power surfboard engine, traditional structure is to be vented to install backward, water cooled to disappear
It is discharged into after sound device in wake flow water, but in order to obtain the engine output of bigger, needs to increase resonance pressure charging exhaust pipe, because of body
Product is too big, and insufficient space layout resonance pressure charging exhaust pipe, needs engine exhaust at this time in the plate on rear side of engine
Mouthful forward, prelaminar part space it is larger can light fixing resonance pressurized exhaust gas pipe, be discharged into wake flow water through muffler.
In engine case body after water inlet, discharge ponding does not have designated lane, it is necessary to which ponding could be arranged by dismantling some component
Only, processing time is long, influences fast quick-recovery under case of emergency and uses, not independent enough the stationary engine in fixed position on crankcase,
Substantially cylinder head or gearbox location have other fixed points, the common degree of freedom for limiting engine.
Invention content
In view of the deficiencies of the prior art, it the present invention provides a kind of horizontal cylinder convertible engines crankcase, solves,
Engine whole height is higher, and occupied space is that rectangular volume is larger, and engine exhaust cannot change its direction, water inflow of the engine
After the problem of can not quickly emptying ponding.
In order to achieve the above object, the present invention is achieved by the following technical programs：1. a kind of horizontal cylinder can turn to hair
Motivation crankcase, including crankcase, the small rostral of the crankcase are equipped with the crankcase intake of installation intake valve, the bent axle
Case microcephaly's side-inlet edge is provided with carburetor seat installation position, the crankcase intake air feeding in center axis and cylinder-bore axis
It is arranged at the upper counterangle, the air feeding in center axis of carburetor is arranged with cylinder-bore axis at the upper counterangle, is conducive to improve air inlet filling effect
Rate, the engine total height designed using the angle are very low.The crankcase intake inner wall is limited equipped with arc surface helical pitch
Mouthful, the big rostral of crankcase offers symmetrical crankcase scavenging road and the cylinder installation position of changeable cylinder installation direction, passes through
The cooperation in crankcase scavenging road and scavenging channel of cylinder can install cylinder with both front and back direction, and scavenging air belt is complete in the case of two kinds
It overlaps, it can simple perfect realization cylinder exhaust port commutation function.It is locked that the screw top of the crankcase is connected with bent axle
Screw, crankcase front and rear sides bottom are provided with rigid engine fixed bit everywhere, draining are offered below the crankcase
Mouthful, it is threaded with mould assembling screw on the left of discharge outlet, check valve of water drainage is fixedly connected on the right side of discharge outlet, it is unidirectional to be located at draining
It is connected with blocking on the right side of valve, the ponding in crankcase can be excluded using the cooperation between check valve of water drainage and blocking, just
It is inserted into check valve collar extension when being often used, becomes two-way and blocks state, needs to pull out when draining after having water to pour into crankcase
It blocks, realizes single slope drainage, it is easy to operate.Symmetrical crankcase scavenging road and crankcase intake inside middle position are equipped with bent axle
Bearing position, crankcase front and rear sides surface correspond to installing for crankshaft bearing position and are equipped with bent axle delivery outlet, the bent axle output
Hole outer surface is disposed with attachment installation position.
Preferably, the crankcase intake air feeding in center axis is arranged with cylinder-bore axis at the upper counterangle, the crankcase
The inner wall of air inlet is equipped with arc surface helical pitch limited mouth.
Preferably, the big rostral of the crankcase offers front and back symmetrical crankcase scavenging road and cylinder installation position.
Preferably, the screw top of the crankcase is connected with bent axle locked screw.
Preferably, crankcase front and rear sides bottom is provided with rigid engine fixed bit everywhere.
Preferably, discharge outlet is offered below the crankcase, mould assembling screw is threaded on the left of discharge outlet, is drained
The right side of mouth is fixedly connected with check valve of water drainage, and blocking is connected on the right side of check valve of water drainage.
Preferably, the side of the crankcase offers pressure pump interface close to crankcase intake direction.
Preferably, the crankcase aluminum material is made, and the use of the engine of the crankcase is horizontal type structure.
Advantageous effect
The present invention provides a kind of horizontal cylinder convertible engines crankcases.Has following advantageous effect：
（1）, the horizontal cylinder convertible engines crankcase, the small rostral of the crankcase is equipped with the crankcase of installation intake valve
Air inlet, the crankcase microcephaly side-inlet edge are provided with carburetor seat installation position, the crankcase intake center into
Gas axis is arranged with cylinder-bore axis at the upper counterangle, and the air feeding in center axis of carburetor is similarly set with cylinder-bore axis at the upper counterangle
It sets, is conducive to improve air inlet pack effectiveness, cylinder is mounted on the other side of crankcase, overall horizontally disposed at 180 degree, using this
The engine total height of angle design is very low.The crankcase intake inner wall is equipped with arc surface helical pitch limited mouth, utilizes circle
Cambered surface helical pitch limited mouth can control the openings of sizes of intake valve, in case inlet open spends big damage.
（2）, the horizontal cylinder convertible engines crankcase, the big rostral of crankcase offers changeable cylinder installation side
To symmetrical crankcase scavenging road and cylinder installation position can be front and back by the cooperation in crankcase scavenging road and scavenging channel of cylinder
Cylinder is installed in two kinds of directions, and scavenging air belt is completely superposed in the case of two kinds, can simple perfect realization cylinder exhaust port reversing work
Energy.Cylinder is fixed with crankcase by bolt, only needs demounting bolt that can quickly be dismantled to cylinder, convenient for changing it
To, it is easy to use, and gas can be kept not reveal using gasket.
（3）, the horizontal cylinder convertible engines crankcase, can be excluded using the cooperation between check valve of water drainage and blocking
Ponding in crankcase is inserted into check valve collar extension when normal use, becomes two-way and block state, needed after having water to pour into crankcase
Blocking can be pulled out when draining, and realize single slope drainage, it is easy to operate.
（4）, the horizontal cylinder convertible engines crankcase, crankcase front and rear sides surface corresponds to crankshaft bearing position
Install and be equipped with bent axle delivery outlet, the bent axle delivery outlet outer surface is disposed with coaxial positioning rim of the mouth and attachment installation position, profit
Facilitated with attachment installation position and other widening parts are installed, used to adapt to different field.
（5）, the horizontal cylinder convertible engines crankcase, by crankcase screw top be connected with bent axle lock spiral shell
Silk, can lock bent axle by the screw prevents from rotating, the nut or other component of bent axle both sides easy to disassemble, the crankcase
Side offer pressure pump interface close to crankcase intake direction, facilitate external linkage compression pump use.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the right view of structure of the invention；
Fig. 3 is the left view of structure of the invention；
Fig. 4 is that the arc surface helical pitch of the present invention limits front view.
In figure：1- crankcases, 2- cylinder fixed screws hole, the symmetrical crankcase scavenging roads 3-, 4- discharge outlet, 5- mould assembling spiral shells
Silk, 6- check valve of water drainage, 7- are blocked, 8- crankshaft bearings position, 9- bent axle locked screws, and 10- coaxially fixes rim of the mouth, 11- attachmentes peace
Fill position, the limit of 12- arc surface helical pitches, 13- pressure pump interfaces, 14- rigid engine fixed bits.15- bent axles delivery outlet, 16- are bent
Axle box air inlet, 17- carburetor seats installation position.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The engine is specifically used on the equipment such as unmanned plane, water pump, kart, surfboard.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of horizontal cylinder convertible engines crankcase, packet
Crankcase 1 is included, the small rostral of the crankcase 1 is equipped with the crankcase intake 16 of installation intake valve, 1 small rostral of the crankcase
16 edge of air inlet is provided with carburetor seat installation position 17,1 air inlet air feeding in center axis of the crankcase and cylinder-bore axis at
The upper counterangle is arranged, and 1 air inlet inner wall of the crankcase is equipped with arc surface helical pitch and limits 12, and the big rostral of crankcase 1 offers can
The symmetrical crankcase scavenging road 3 and cylinder installation position, the screw top of the crankcase 1 for changing cylinder installation direction are connected with song
Axis locked screw 9,1 front and rear sides bottom of crankcase are provided with rigid engine fixed bit 14 everywhere, the lower section of the crankcase 1
Discharge outlet 4 is offered, 4 left side of discharge outlet is threaded with mould assembling screw 5, and the right side of discharge outlet 4 is fixedly connected with draining unidirectionally
Valve 6 is connected with blocking 7, in symmetrical crankcase scavenging road 3 and crankcase intake 16 positioned at the right side of check valve of water drainage 6
Between interior location be equipped with crankshaft bearing position 8, crankcase front and rear sides surface corresponds to the position of crankshaft bearing position 8 equipped with bent axle
Delivery outlet 15,15 outer surface of bent axle delivery outlet are disposed with attachment installation position 11,
Such as in use, being needed after thering is water to pour into the horizontal cylinder convertible engines crankcase in power surfboard or water pump
Blocking can be pulled out when draining, realizes single slope drainage, start engine and case inner product is discharged under the action of box house pressure
Water.The water discharging valve is one-way valve structures, and can be out of the water cannot enter air or water, and there are one plastics to block outside valve,
It is inserted into check valve collar extension in normal use, becomes two-way and blocks state,
The air feeding in center axis of the horizontal cylinder convertible engines crankcase carburetor is with cylinder-bore axis at 60 degree of angles, inertia
Air inlet is consistent with bent axle direction of rotation, is conducive to improve air inlet pack effectiveness, the angle air inlet is when being horizontally mounted engine
It can effectively prevent polluting equipment outside trapped fuel outflow machine when work and after shutting down in carburetor and air filter or bring danger,
The engine overall thickness designed using the angle is very low, and suitable requirement occupies little space or the limited place of installation space makes
With, such as in the fuselage of unmanned plane or in wing, shape is also more suitable for power surfboard and kart is installed and used, for contracting
For the general thickness center of gravity of small portable fire pump close to human body back, it is also can not be substituted one to facilitate personnel to bear march
The engine of the outstanding layout of money；
The farthest both ends of the horizontal cylinder convertible engines crankcase are designed with four points and rigidly fix pillar, can be with stiff chain
Equipment of the installation for chain drives such as karts is connect, can also be fixed by four damping rubber flexible installings, vibrations can be reduced
Outside transmission, flexible installing mode can be used in unmanned aerial vehicle, power surfboard and portable fire pump it is first-class；
The horizontal cylinder convertible engines crankcase cylinder exhaust outlet direction uses the design method parallel with crankshaft center line, hair
Exhaust pipe outside motivation can be arranged in parallel with bent axle, advantageously reduce engine installation after whole occupied space and
Highly, crankcase is designed with scavenging channel of cylinder Bilateral Symmetry, and cylinder can be rotated to 180 degree installation, can get two kinds of exhaust outlets
Direction can also configure longer resonance pressure charging exhaust with the different size of muffler of better choice.Exhaust outlet can
To be installed on former and later two directions on engine crankshaft axis, in order to give full play to the purpose of a tractor serves several purposes, adapt to more
Field matches this engine, and when such as using the engine of the design in power surfboard, installation backward can match
It sets common noise reduction flame dampener and obtains 10 HP Powers, configuration resonance pressure charging exhaust pipe can also be installed forward and obtain 15 horsepowers of biggers
Engine output, exhaust outlet is installed forward when on water pump, by engine back space reserve feed pump installation,
Compacter small and exquisite complete machine structure form can be obtained.The symmetrical scavenging air belt structure of horizontal cylinder convertible engines crankcase
The application range for increasing engine is conducive to increase yield, good economy performance, and exploitation design charges is greatly saved in one-machine-multi-function
With；
It is designed with pressure pump interface on the horizontal cylinder convertible engines crankcase, facilitates external linkage compression pump to use, example
It extracts the seawater in cabin out such as in power surfboard, the control pressure interface of primer pump can be also done on portable water pump；This is sleeping
It is also devised with bent axle above formula cylinder convertible engines crankcase and locks screw, can easily lock bent axle, dismantles bent axle
The nut or other component of both sides.Facilitate repair and disassembling and assembling engine.
The front and rear sides of the horizontal cylinder convertible engines crankcase, there are centralized positioning boss and four circumferences
Fixed screw holes, facilitate install other widening parts, so as to adapt to different field use.Such as：It is just fitted after installation clutch
It shares and is used on kart and unmanned helicopter, after installation propeller drop disk and 3rd bearing can be used for that propeller is driven to be applicable in
Water pump group parts can be installed after unmanned fixed wing aircraft, installation water pump pump seat and become portable fire pump, installation is flexible
It can be placed on after shaft coupling and underwater propeller is driven to realize quick surfing in power surfboard.
In use, after water pours into crankcase, start engine, from discharge outlet under active force of the ponding in crankcase
Outflow, while the blocking on check valve is extracted, realize that single slope drainage becomes two-way under normal circumstances in use, plugging blocking
State is blocked, it is locked with bent axle when the nut or other component that need dismounting bent axle both sides or repair and disassembling and assembling engine
Screw locks bent axle, when needing to change exhaust outlet direction, removes cylinder stay bolt, by rotational cylinder 180 degree, makes exhaust
Mouth goes to the other side, and crankcase and cylinder are fixed together again by bolt.Unexpectedly different size of exhaust noise silencing is selected
Device reaches a tractor serves several purposes purpose.
In terms of research and development, a kind of engine is suitable for the required engine of different field difference equipment, need not be special
The individually designed more exclusive engines of money of exploitation, reduce expense and the development cycle of research and development.
In terms of mold, it is designed to that crankcase interface capable of reversing, one set of die can meet different field and arrange engine
The needs in gas direction, saving grinding tool quantity reduces grinding tool development cost.
In terms of production, differentiation particular condition in use can not had to and individually fabricated, be conducive to carry out and produce in enormous quantities,
Accessory is general, can be assembled according to different requirements batch, meet the needs of different field and equipment.
In terms of increasing enterprise profit, it is equivalent to multi-field special engine and is merged into a type, a tractor serves several purposes can have
Effect increases yield, improves production efficiency, reduces the technical capability requirement of Manufacturing Worker, reduces production and exploitation amortization charge etc.
Advantage.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of horizontal cylinder convertible engines crankcase, including crankcase（1）, the crankcase（1）Small rostral be equipped with
The crankcase intake of intake valve is installed（16）, the crankcase（1）Microcephaly's side-inlet（16）Edge is provided with carburetor seat
Installation position（17）, the crankcase（1）Air inlet air feeding in center axis is arranged with cylinder-bore axis at the upper counterangle, the crankcase
（1）Air inlet inner wall is limited equipped with arc surface helical pitch（12）, crankcase（1）Big rostral offer changeable cylinder installation direction
Symmetrical crankcase scavenging road（3）With cylinder installation position, the crankcase（1）Screw top be connected with bent axle locked screw
（9）, crankcase（1）Front and rear sides bottom is provided with rigid engine fixed bit everywhere（14）, the crankcase（1）Lower section open
Equipped with discharge outlet（4）, discharge outlet（4）Left side is threaded with mould assembling screw（5）, discharge outlet（4）Right side be fixedly connected with row
Water one-way valve（6）, it is located at check valve of water drainage（6）Right side be connected with blocking（7）, symmetrical crankcase scavenging road（3）And song
Axle box air inlet（16）Inside middle position is equipped with crankshaft bearing position（8）, crankcase front and rear sides surface corresponds to bent axle axis
Hold position（8）Position be equipped with bent axle delivery outlet（15）, the bent axle delivery outlet（15）Outer surface is disposed with attachment installation position
（11）.
2. a kind of horizontal cylinder convertible engines crankcase according to claim 1, it is characterised in that：Crankcase air inlet
Mouthful（16）Air feeding in center axis is arranged with cylinder-bore axis at the upper counterangle, the crankcase intake（16）Inner wall be equipped with arc surface
Helical pitch limited mouth（10）.
3. a kind of horizontal cylinder convertible engines crankcase according to claim 1, it is characterised in that：Crankcase（1）
Big rostral offer front and back symmetrical crankcase scavenging road（3）With cylinder installation position.
4. a kind of horizontal cylinder convertible engines crankcase according to claim 1, it is characterised in that：The crankcase
（1）Screw top be connected with bent axle locked screw（9）.
5. a kind of horizontal cylinder convertible engines crankcase according to claim 1, it is characterised in that：The crankcase
（1）Front and rear sides bottom is provided with rigid engine fixed bit everywhere（14）.
6. a kind of horizontal cylinder convertible engines crankcase according to claim 1, it is characterised in that：The crankcase
（1）Lower section offer discharge outlet（4）, discharge outlet（4）Left side is threaded with mould assembling screw（5）, discharge outlet（4）Right side it is solid
Surely it is connected with check valve of water drainage（6）, it is located at check valve of water drainage（6）Right side be connected with blocking（7）.
7. a kind of horizontal cylinder convertible engines crankcase according to claim 1, it is characterised in that：The crankcase
（1）Side close to crankcase intake（16）Direction offers pressure pump interface（13）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810297091.8A CN108301936B (en) | 2018-04-04 | 2018-04-04 | Horizontal special engine crankcase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810297091.8A CN108301936B (en) | 2018-04-04 | 2018-04-04 | Horizontal special engine crankcase |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108301936A true CN108301936A (en) | 2018-07-20 |
| CN108301936B CN108301936B (en) | 2023-07-04 |
Family
ID=62846957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810297091.8A Active CN108301936B (en) | 2018-04-04 | 2018-04-04 | Horizontal special engine crankcase |
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| Country | Link |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839167A (en) * | 2009-03-17 | 2010-09-22 | 日立工机株式会社 | Two stroke engine and the power tool that is equipped with two stroke engine |
| US20120325191A1 (en) * | 2010-04-27 | 2012-12-27 | Kazuyuki Uenoyama | Scavenging passage structure for two-stroke engine |
| US20140318517A1 (en) * | 2013-04-30 | 2014-10-30 | Makita Corporation | Stratified scavenging two-stroke engine |
| CN104295370A (en) * | 2014-09-25 | 2015-01-21 | 重庆特飞航空动力科技有限公司 | Single-cylinder two-stroke water-cooled engine |
| CN206054103U (en) * | 2016-06-28 | 2017-03-29 | 重庆特飞航空动力科技有限公司 | Power surfboard single-cylinder double stroke water-cooled engine |
| CN208138058U (en) * | 2018-04-04 | 2018-11-23 | 芜湖长捷航空动力科技有限责任公司 | A kind of horizontal special engine crankcase |
-
2018
- 2018-04-04 CN CN201810297091.8A patent/CN108301936B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839167A (en) * | 2009-03-17 | 2010-09-22 | 日立工机株式会社 | Two stroke engine and the power tool that is equipped with two stroke engine |
| US20120325191A1 (en) * | 2010-04-27 | 2012-12-27 | Kazuyuki Uenoyama | Scavenging passage structure for two-stroke engine |
| US20140318517A1 (en) * | 2013-04-30 | 2014-10-30 | Makita Corporation | Stratified scavenging two-stroke engine |
| CN104295370A (en) * | 2014-09-25 | 2015-01-21 | 重庆特飞航空动力科技有限公司 | Single-cylinder two-stroke water-cooled engine |
| CN206054103U (en) * | 2016-06-28 | 2017-03-29 | 重庆特飞航空动力科技有限公司 | Power surfboard single-cylinder double stroke water-cooled engine |
| CN208138058U (en) * | 2018-04-04 | 2018-11-23 | 芜湖长捷航空动力科技有限责任公司 | A kind of horizontal special engine crankcase |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108301936B (en) | 2023-07-04 |
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