CN1053482C - Automatic pressure reducer for internal combustion engine with at least one driving cylinder - Google Patents
Automatic pressure reducer for internal combustion engine with at least one driving cylinder Download PDFInfo
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- CN1053482C CN1053482C CN96103901A CN96103901A CN1053482C CN 1053482 C CN1053482 C CN 1053482C CN 96103901 A CN96103901 A CN 96103901A CN 96103901 A CN96103901 A CN 96103901A CN 1053482 C CN1053482 C CN 1053482C
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- curvature
- combustion engine
- positioning element
- automatic pressure
- actuating cylinder
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Abstract
The present invention relates to an automatic pressure reducing device used for an internal combustion engine provided with at least one dynamic force cylinder. A shell is fixedly sheathed and arranged on the position adjacent to an exhaust cam in a cylinder head, a positioning element which can move upward and downward is arranged in the shell, a first curvature and a second curvature which present arc shapes are arranged at one end of the positioning element, and a sliding element is arranged in the first curvature or the second curvature additionally. When the positioning element is positioned on a first position, the sliding element is positioned in the first curvature, an exhaust rocking arm above the exhaust cam can be pushed away by the sliding element to open an exhaust valve to exhaust the pressure of combustible gas in a combustion chamber, and thus, a motorcycle cavalier can easily start an engine.
Description
The present invention relates to a kind of internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in.
The internal-combustion engine of general four-journey, its crankshaft is when internal-combustion engine is flame-out, will be subjected to inertial force and continue to rotate an angle, during piston compression stroke, when being subjected to being compressed the pressure counter of inflammable gas, stop the rotation in this crankshaft side up to crankshaft, at this moment, the pressure that piston is compressed inflammable gas pushes back, and stops fully up to piston, and then makes crankshaft by its normal sense of rotation (clockwise direction) (counterclockwise) revolution one angle in the other direction.
When internal-combustion engine is desired to restart, this moment is because piston is positioned at the position than low spot, therefore, internal-combustion engine is at the beginning of restarting, piston will carry out compression stroke, so, carrying out of compression stroke, piston must move in the cylinder internal internal furnace, make crankshaft to the rotation of the position of upper dead center, when piston when move the firing chamber, the pressure that will bear the inflammable gas in the firing chamber be the motorcycle knight when starting the engine, must firmly trample foot-operated cross bar to overcome the pressure of the inflammable gas in the firing chamber, and then start motorcycle, for the scooter-type motorbike that generally has less foot-operated cross bar, often cause motorcycle knight's inconvenience for the motorcycle of big air displacement, necessity of being improved is arranged in fact.
For improving the above-mentioned above-mentioned various shortcomings of device of commonly using, the inventor is to be engaged in this industry experience for many years, and through repeatedly constantly making great efforts research and experiment, the internal-combustion engine automatic pressure-reducing device that being used in of the present invention has an actuating cylinder is at least designed in development finally.
The purpose of this invention is to provide a kind of internal-combustion engine automatic pressure-reducing device of when internal-combustion engine stops, the pressed gas in the firing chamber being discharged.
Technological scheme of the present invention is: a kind of internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in, this actuating cylinder has at least one firing chamber, but and the cam start on mat rocking arm and the camshaft and open and close the valve of firing chamber, it is characterized in that: this automatic pressure-reducing device, comprising a housing is sheathed on the camshaft, and be positioned at one of exhaust cam side, housing is having a containing space with opening towards the exhaust cam side, camshaft has a depressed part between exhaust cam and containing space, one positioning element movable up and down is arranged in containing space, positioning element stays in the primary importance or the second place in containing space, one of this positioning element end has first curvature and second curvature of the arcuation of being; It is the depressed part that is positioned at camshaft movably that one sliding element has the camber line outer wall, when positioning element is positioned at the primary importance place, one of sliding element side fits in the first curvature place, jack-up just can make progress rocking arm, and the state that outlet valve is in open, when positioning element was positioned at second place place, one of sliding element side fitted in the second curvature place, and can't touch rocking arm.
The described internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in, it is characterized in that: this housing is a ring-type, is provided with a penetration hole in the housing of this ring-type, and the housing cover is installed on the camshaft.
The described internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in, it is characterized in that: be to be pivoted with a positioning element that can swing up and down in this housing, this positioning element simultaneously be provided with tangent plane one, to separate the first curved curvature and second curvature.The described internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in, it is characterized in that: this sliding element is the ball ball.
The described internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in, it is characterized in that: this housing comprises a collar, is placed on the camshaft, on the part circumference of the collar, is provided with the containing room of an opening.
The described internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in, it is characterized in that: this positioning element is provided with a transfer arm that is radian, this transfer arm then is provided with one and amplifies head on the one end, make transfer arm form an axe shape, and on the amplification head of this transfer arm, be provided with the first curved curvature and second curvature.
The described internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in, it is characterized in that: positioning element moving up and down in the containing room of this housing, be one to have the block of thickness, this block simultaneously be provided with tangent plane one, to be separated into first curvature and second curvature.
The described internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in, it is characterized in that: this sliding element is the frustum piece.
The described internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in, it is characterized in that: one of this transfer arm end is hubbed in the housing by a spring, making transfer arm can be fulcrum with this end, and do multiple swing, and the centrifugal force that the restoring force of this spring is produced when rotating with camshaft less than positioning element.
The described internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in, it is characterized in that: when camshaft in the slow-speed of revolution or when stopping operating, this also not start of positioning element promptly is to be positioned at the primary importance place, and sliding element is positioned at the first curvature place of positioning element.
The described internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in, it is characterized in that: when camshaft rotates, can produce a centrifugal force, and make this positioning element outward or move radially, promptly be positioned at second place place, and make sliding element be positioned at the second curvature place of positioning element.
The described internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in is characterized in that: this spring can be and makes torque spring or leaf spring that transfer arm reverses or the pressure spring that positioning element is moved.
Effect of the present invention is: the centrifugal force that is produced when rotating by the present invention's camshaft, the interior positioning element of housing is moved to the second place by primary importance, and make the former sliding element that is positioned at first curvature enter second curvature, and no longer withstand exhaust rocker arm, and when camshaft stops operating, positioning element in the housing is because of no longer being subjected to the effect of centrifugal force, and return back to primary importance, sliding element is entered again in first curvature, and back down exhaust rocker arm once more, outlet valve is opened, and the pressure of the inflammable gas in the firing chamber is discharged, and the motorcycle knight can be started the engine easily again.
Understand for enabling principle, feature and having more specifically as flowing mode to the present invention, now for embodiment cooperate illustrate as follows: the simple declaration of diagram:
Fig. 1 is a combustion machine combination sectional view within the present invention.
Fig. 2 is the present invention's a three-dimensional exploded view.
Fig. 3 is the present invention's a transfer arm side schematic view.
Fig. 4 is the present invention's a combination schematic representation.
Fig. 5 is the phantom of Fig. 4.
Fig. 6 is the present invention's a start situation schematic representation.
Fig. 7 is the phantom of Fig. 6.
Fig. 8 is another embodiment's schematic representation of the present invention.
Fig. 9 is another embodiment's schematic representation of the present invention.
Describe in detail:
See also shown in the accompanying drawing, the internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in of the present invention mainly includes members such as an internal-combustion engine and automatic pressure-reducing device.
Please refer to shown in Figure 1ly, i.e. the present invention is used for the specific embodiment of the reciprocating type four-stroke internal combustion engine of single cylinder of motorcycle.
This internal-combustion engine is made of the engine structure body with cylinder 1, in cylinder 1, be provided with one can be along the hole internal diameter of this cylinder 1 toward polyslip piston 11, these piston 11 bottoms connecting rod 14 that is pivoted, the bottom of this connecting rod 14 also articulates a crankshaft 13, this piston 11 can and then drive crankshaft 13 and makes a rotation interlock when aperture moves up and down within cylinder 1.
Cylinder head 2 is concaved with a firing chamber 12 in piston 11 tops, and one of this cylinder head 2 side offers a gas-entered passageway 21, and opposite side then offers an exhaust passage 22, and these gas-entered passageways 21 and exhaust passage 22 connect firing chamber 12 all respectively.In addition, be provided with one and drive/close the valve of firing chamber, this valve of opening/closing the firing chamber is to include suction valve 23 and outlet valve 24, wherein, the head portion of suction valve 23 and outlet valve 24 is respectively via gas-entered passageway 21 and exhaust passage 22, and charges into 12 tops, firing chamber, in addition, suction valve 23 then produces axial slip via valve guiding element 231,241 respectively with the shank portion of exhaust palace gate 24, and mat spring 232,242 is pushed valve body 23,24 to a side respectively.
The tail end of suction valve 23 and outlet valve 24, be to connect respectively to establish an intake rocker 25 and an exhaust rocker arm 26, these rocking arms 25, the 26th, respectively with latch 251,261 and pin is located in the cylinder head 2; rocking arm 25; 26 can be respectively with latch 251; 261 be fulcrum; do a lever motion; in addition; the other end that is not connected valve body of intake rocker 25 and exhaust rocker arm 26; be to press on respectively on the intake cam 271 and exhaust cam 272 of camshaft 27; when the teat ejection intake rocker 25 (exhaust rocker arm 26) of intake cam 271 (exhaust cam 272); this intake rocker 25 (exhaust rocker arm 26) will be a fulcrum with latch 251 (261); and then compress suction valve 23 (outlet valve 24) downwards, make gas-entered passageway 21 (exhaust passage 22) relative combustion chamber 12 and open.
This camshaft 27 is with 13 couplings of suitable slewing gear (not shown) and crankshaft, and to make the rotating speed of camshaft 27 be half of crankshaft 13, to meet the start requirement of four-journey engine.
Please refer to shown in Figure 2, the present invention's automatic pressure-reducing device, its be include one between set bearing 273 of camshaft 27 and exhaust cam 272 ring be installed with a housing 3, this housing 3 is to be a ring-type in the present invention's most preferred embodiment, locating in housing 3 neutral positions in the form of a ring is to be provided with penetration hole 31, housing 3 covers are installed on the camshaft 27 of internal-combustion engine, and be adjacent to exhaust cam 272, wherein, housing 3 simultaneously is being to be provided with a containing space 32 with opening corresponding to exhaust cam 271, and away from exhaust cam 272 simultaneously be the sealing, camshaft 27 has a depressed part 274 between housing 3 and exhaust cam 272.
One positioning element, this positioning element is to be provided with a transfer arm 4 that is arcuation in the present invention's most preferred embodiment, this transfer arm 4 is to be hubbed in the containing space 32 that housing 3 formed, and position corresponding to exhaust rocker arm 26, one of this transfer arm 4 end 41 is to be hubbed in the housing 3 by a spring 5, making transfer arm 4 can be fulcrum with this end 41, and do reciprocal swing, and the restoring force of this spring 5 needs the centrifugal force that produced when rotating with camshaft 27 less than positioning element, in addition, transfer arm 4 is to be a radian, make transfer arm 4 within fitting in housing 3 during wall, the radian that can cooperate housing 3 inwalls, transfer arm 4 then is provided with one and amplifies head 42 on its free end, make transfer arm 4 form an axe shape, and be provided with one tangent plane 421 to be separated into first curvature 43 and second curvature 44 on the amplification head 42 of this transfer arm 4, this first curvature and second curvature are to be respectively a cambered surface in the present invention's most preferred embodiment, as shown in Figure 3.
One sliding element, this sliding element is to be a ball ball 6 in the present invention's most preferred embodiment, this ball 6 is in the depressed part 274 set on the camshaft 27 that can laterally be arranged in movably between exhaust cam 272 and the transfer arm 4, and ball 6 must protrude from the basic circle of exhaust cam when installing, wherein, when camshaft 27 does not rotate, transfer arm 4 was not subjected to centrifugal action and rested on primary importance this moment, these ball 6 one peripheries are to be positioned at first curvature 43, another periphery then just can back down the exhaust rocker arm 26 of exhaust cam 272 tops, and when camshaft 27 rotates, transfer arm 4 was subjected to centrifugal action and rested on the second place this moment, one of ball 6 periphery is to be positioned at second curvature 44, and distance between second curvature 44 and the exhaust cam 272, just makes another periphery of ball 6 can't back down exhaust rocker arm 26.
Please refer to shown in Figure 3ly, among the present invention, the arc hole length of first curvature 43 of this transfer arm 4 is the radiuses greater than ball ball 6, make ball ball 6 when being positioned at first curvature 43, because this ball ball 6 is over half all to be positioned at first curvature 43, and can't back down transfer arm 4.
Among the present invention, on the ora terminalis of transfer arm 4, be provided with the flange 45 of projection corresponding to the one side of housing 3 inner arms, make transfer arm 4 when camshaft 27 rotates, and because of the relation of centrifugal force when up mobile, have only this flange 45 can be fitted within the housing 3 on the wall, and the power of reducing friction, smooth and easy when moving to increase transfer arm 4.
Please refer to Fig. 4, shown in 5, the present invention is assembled in the schematic representation on the camshaft 27, wherein, these ball 6 one peripheries are first curvatures 43 that are positioned at transfer arm 4, another periphery then backs down exhaust rocker arm 26, when camshaft 27 during in normal sense of rotation rotation, this housing 3 also can and then rotate, transfer arm 4 in the housing 3 then can produce a centrifugal force because of the rotation of housing 3, make transfer arm 4 be arranged with one of spring 5 end as fulcrum by it, and make the free end of transfer arm 4 up swing, and when transfer arm 4 is up swung, the former ball 6 that is positioned at first curvature 43, because of transfer arm 4 moves to the second place by primary importance, and make ball 6 be positioned at second curvature 44, as Fig. 6, shown in 7, because distance between second curvature 44 and the exhaust cam 272, be able to make another periphery of ball 6 can't back down exhaust rocker arm 26, make outlet valve 24 that exhaust rocker arm 26 1 ends are connected up, 22 relative firing chambers 12, exhaust passage are closed, otherwise; When internal-combustion engine stops working, and then make crankshaft 13 by its normal sense of rotation (along inserting needle direction) in the other direction during (counterclockwise) revolution one small angle, camshaft 27 also will be along the opposite spin of normal sense of rotation, because, transfer arm 4 in the housing 3 on the camshaft 27 can be because no longer be subjected to influencing of centrifugal force, and by sheathed spring 5 returning positions of institute, at this moment, the former ball 6 that is positioned at second curvature 44, because of transfer arm 4 moves to primary importance by the second place, and make ball 6 be positioned at first curvature 43 simultaneously, the exhaust rocker arm 26 of pushing tow exhaust cam 272 tops, making exhaust rocker arm 26 is fulcrum with latch 261, and then it is downward to compress outlet valve 24, and 22 relative firing chambers 12, exhaust passage are opened, and the pressure that makes the interior inflammable gas in firing chamber 12 22 is discharged from the exhaust passage, make the motorcycle knight must firmly not trample foot-operated cross bar, and can start the engine again easily.
Please refer to shown in Figure 8, be another embodiment of the present invention, wherein, this housing 3 ' be provided with a collar 31 ', this collar 31 ' be to be placed on the camshaft 27, and in the collar 31 ' the part circumference be provided with the containing room 32 of an opening ' in this containing room 32 ' on installed one can be up or down positioning element, and this positioning element be provided with a block 4 ', this block 4 ' simultaneously be provided with one tangent plane 41 ', with be separated into first curvature 43 ' and second curvature 44 ', in addition, be provided with a sliding element, this sliding element be for a frustum piece 6 ', by this awl piece 6 ' inclined-plane 61 ', when camshaft 27 does not rotate, this awl piece 6 ' corresponding to moving block 4 ' one of the end be positioned at first curvature 43 ', in, this moment, block 4 ' be not subjected to centrifugal action and rested on primary importance, in addition the inclined-plane 61 on distolateral limit ' then just can the back down exhaust rocker arm 26 of exhaust cam 272 tops, and when camshaft 27 rotates, this moment, block 4 ' be subjected to centrifugal action and rested on the second place, this awl piece 6 ' corresponding to moving block 4 ' one of hold be positioned at second curvature 44 ', and make the inclined-plane 61 on distolateral limit of awl piece 6 ' in addition ', can't back down exhaust rocker arm 26.
Please refer to shown in Figure 9, wherein, be hubbed in the interior transfer arm 4 of the volume space 32 of housing 3 by spring 5, its spring also can be leaf spring (spring line) 5 ', this leaf spring 5 ' one of end 51 ' be to be fixed in one of transfer arm 4 end 41, leaf spring 5 ' hold 52 ' then to be erected in the containing space 32 of housing 3 in addition, make transfer arm 4 do reciprocal swing.
Only the above; only for all possible embodiments of the present invention; be not in order to limiting the present invention's claim, allly hold within described according to claim, feature with and spirit and the equivalence enforcements of other variation for it all should be contained in protection scope of the present invention.
Claims (12)
1. one kind is used in the internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least, this actuating cylinder has at least one firing chamber, but and the cam start on mat rocking arm and the camshaft and open and close the valve of firing chamber, it is characterized in that: this automatic pressure-reducing device, comprising a housing is sheathed on the camshaft, and be positioned at one of exhaust cam side, housing is having a containing space with opening towards the exhaust cam side, camshaft has a depressed part between exhaust cam and containing space, one positioning element movable up and down is arranged in containing space, positioning element stays in the primary importance or the second place in containing space, one of this positioning element end has first curvature and second curvature of the arcuation of being; It is the depressed part that is positioned at camshaft movably that one sliding element has the camber line outer wall, when positioning element is positioned at the primary importance place, one of sliding element side fits in the first curvature place, jack-up just can make progress rocking arm, and the state that outlet valve is in open, when positioning element was positioned at second place place, one of sliding element side fitted in the second curvature place, and can't touch rocking arm.
2. the internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in as claimed in claim 1, it is characterized in that: this housing is a ring-type, is provided with a penetration hole in the housing of this ring-type, and the housing cover is installed on the camshaft.
3. the internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in as claimed in claim 2, it is characterized in that: be to be pivoted with a positioning element that can swing up and down in this housing, this positioning element simultaneously be provided with tangent plane one, to separate the first curved curvature and second curvature.
4. the internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in as claimed in claim 3, its special card is: this sliding element is the ball ball.
5. the internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in as claimed in claim 1, it is characterized in that: this housing comprises a collar, is placed on the camshaft, on the part circumference of the collar, is provided with the containing room of an opening.
6. the internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in as claimed in claim 3, it is characterized in that: this positioning element is provided with a transfer arm that is radian, this transfer arm then is provided with one and amplifies head on the one end, make transfer arm form an axe shape, and on the amplification head of this transfer arm, be provided with the first curved curvature and second curvature.
7. the internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in as claimed in claim 3, it is characterized in that: positioning element moving up and down in the containing room of this housing, be one to have the block of thickness, this block simultaneously be provided with tangent plane one, to be separated into first curvature and second curvature.
8. the internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in as claimed in claim 3, it is characterized in that: this sliding element is the frustum piece.
9. the internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in as claimed in claim 6, it is characterized in that: one of this transfer arm end is hubbed in the housing by a spring, making transfer arm can be fulcrum with this end, and do multiple swing, and the centrifugal force that the restoring force of this spring is produced when rotating with camshaft less than positioning element.
10. as claim 1 or the 3 or 6 described internal-combustion engine automatic pressure-reducing devices that have an actuating cylinder at least that are used in, it is characterized in that: when camshaft in the slow-speed of revolution or when stopping operating, this also not start of positioning element, promptly be to be positioned at the primary importance place, and sliding element is positioned at the first curvature place of positioning element.
11. as claim 1 or the 3 or 6 described internal-combustion engine automatic pressure-reducing devices that have an actuating cylinder at least that are used in, it is characterized in that: when camshaft rotates, can produce a centrifugal force, and make this positioning element outward or move radially, promptly be positioned at second place place, and make sliding element be positioned at the second curvature place of positioning element.
12. the internal-combustion engine automatic pressure-reducing device that has an actuating cylinder at least that is used in as claimed in claim 9 is characterized in that: this spring can be and makes torque spring or leaf spring that transfer arm reverses or the pressure spring that positioning element is moved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96103901A CN1053482C (en) | 1996-03-25 | 1996-03-25 | Automatic pressure reducer for internal combustion engine with at least one driving cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN96103901A CN1053482C (en) | 1996-03-25 | 1996-03-25 | Automatic pressure reducer for internal combustion engine with at least one driving cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1160816A CN1160816A (en) | 1997-10-01 |
| CN1053482C true CN1053482C (en) | 2000-06-14 |
Family
ID=5118252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96103901A Expired - Fee Related CN1053482C (en) | 1996-03-25 | 1996-03-25 | Automatic pressure reducer for internal combustion engine with at least one driving cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1053482C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011110046A1 (en) * | 2010-03-09 | 2011-09-15 | Yu Youyuan | Variable power gas distribution control system for engine |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101746474A (en) * | 2008-12-17 | 2010-06-23 | 光阳工业股份有限公司 | Engine structure of motor cycle |
| DE102015204550A1 (en) * | 2015-03-13 | 2016-09-15 | Bayerische Motoren Werke Aktiengesellschaft | Camshaft with a decompression device |
| CN112049747B (en) * | 2020-08-25 | 2022-06-24 | 广东隆鑫机车有限公司 | Ball centrifugal gear assembly, duplicate gear and engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4696266A (en) * | 1985-05-14 | 1987-09-29 | Fuji Jukogyo Kabushiki Kaisha | Decompression apparatus for engines |
| EP0362775A1 (en) * | 1988-10-03 | 1990-04-11 | Fuji Jukogyo Kabushiki Kaisha | Decompressing device of internal-combustion engines |
| US5184586A (en) * | 1992-02-10 | 1993-02-09 | Tecumseh Products Company | Mechanical compression release for an internal combustion engine |
-
1996
- 1996-03-25 CN CN96103901A patent/CN1053482C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4696266A (en) * | 1985-05-14 | 1987-09-29 | Fuji Jukogyo Kabushiki Kaisha | Decompression apparatus for engines |
| EP0362775A1 (en) * | 1988-10-03 | 1990-04-11 | Fuji Jukogyo Kabushiki Kaisha | Decompressing device of internal-combustion engines |
| US5184586A (en) * | 1992-02-10 | 1993-02-09 | Tecumseh Products Company | Mechanical compression release for an internal combustion engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011110046A1 (en) * | 2010-03-09 | 2011-09-15 | Yu Youyuan | Variable power gas distribution control system for engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1160816A (en) | 1997-10-01 |
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