CN102305148A - General gasoline engine cylinder head and gasoline engine - Google Patents
General gasoline engine cylinder head and gasoline engine Download PDFInfo
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- CN102305148A CN102305148A CN201110061204A CN201110061204A CN102305148A CN 102305148 A CN102305148 A CN 102305148A CN 201110061204 A CN201110061204 A CN 201110061204A CN 201110061204 A CN201110061204 A CN 201110061204A CN 102305148 A CN102305148 A CN 102305148A
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- cylinder head
- gasoline engine
- rocker arm
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- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 230000007613 environmental effect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 14
- 238000007599 discharging Methods 0.000 description 10
- 238000010304 firing Methods 0.000 description 7
- 239000000446 fuel Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Cylinder Crankcases Of Internal Combustion Engines (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The invention discloses a general gasoline engine cylinder head and a gasoline engine. In the general gasoline engine cylinder head, an air inlet valve and an exhaust valve which correspond to an air inlet channel and an exhaust channel are formed on a cylinder head body; the air inlet valve is provided with an air inlet rocker arm and an air inlet push rod correspondingly; the exhaust valve is provided with an exhaust rocker arm and an exhaust push rod correspondingly; the motion radii of the air inlet rocker arm and the exhaust rocker arm are different; by the general gasoline engine cylinder head, the arrangement space of the rocker arms and the valves is saved, the occupied arrangement areas are small, and the arrangement of the conventional push rod is not needed to be changed; particularly for a vertical shaft gasoline engine, a slanting valve structure of an underlaid cam shaft can be realized, air inlet tumbling flow and air inlet vortex are convenient to organize in a cylinder, the air inlet efficiency is improved, the disturbance of air flow in the cylinder is increased, the combustion is accelerated, the power of the gasoline engine is improved, and the discharge is reduced; taking the gasoline engine of which the maximum power (the revolving speed is 3,600 revolutions per minute rpm) is 3.0 kW as an example, the power can be improved to 3.6 kW, and the discharge can be reduced from 9.0 to 8.0 g/kW.h; and taking the gasoline engine of which the maximum power is 3.5 kW as an example, the power can be improved to 4.2 kW, the discharge can be reduced from 9.0 to 8.1 g/kW.h, and the gasoline engines meet the standard of 10 g/kW.h at the environmental protection agency 3 (EPA) stage.
Description
Technical field
The present invention relates to a kind of power engine parts and application thereof, particularly a kind of gasoline engine part and application thereof.
Background technique
Petrol engine is a kind of dynamic power machine that uses gasoline for the fuel.Partly form by cylinder, connecting rod, gas distribution system, oil supply system, lubrication system and ignition system etc.; Cylinder head is provided with intake duct and air outlet flue, and forms the firing chamber face jointly with cylinder, thereby, belong to the parts of petrol engine outbalance.Gasoline act as a fuel with AIR MIXTURES in the firing chamber internal combustion, produce great amount of heat, be used for as driving energy.
The gas distribution system of petrol engine is the necessary parts that guarantee the normal operation of petrol engine, as comprise intake valve and the exhaust valve that said cylinder head is provided with, the opening and closing of intake valve and exhaust valve are distinguished by driving components such as rocker arm assemblies and are controlled; Said intake valve and exhaust valve are respectively equipped with the Rocker arm assembly that drives its switching.
Intake valve and exhaust valve are used for opening, closing gas-entered passageway and exhaust passage, adapt to air-breathing, work by combustion and exhaust phase in the firing chamber, keep the normal operation of petrol engine.Therefore, the layout of inlet and exhaust valve and intake and exhaust channel plays crucial effects for normal air inlet, burning and the exhaust of firing chamber.
The acting in conjunction realization that return spring and rocking arm drive assembly is generally passed through in the opening and closing of intake valve and exhaust valve, and the power of rocking arm comes from camshaft, according to various structure, through push rod or directly driving realization.No matter which kind of driving structure finally all is to realize driving through intake rocker and exhaust rocker arm; In the prior art, the production of rocking arm levels off to standardization, and the structure of intake rocker and exhaust rocker arm is basic identical, thereby action radius (radius that rotates around fulcrum just) is also identical, and rocking arm is arranged in cylinder head and also seems comparatively neat.But this structure can cause rocking arm and the rectangular arrangement of valve, occupies bigger space, and can not with the intake and exhaust direction of gas-entered passageway and exhaust passage, reduce the power of petrol engine and influence discharging; Particularly for the structure of inclined valve, further increase takes up room, and has influence on the layout of other parts (like Carburetor/parts such as empty filter).
Therefore; Need the rocker structure of petrol engine valve cylinder head be improved; Change the rectangular area structure after rocking arm and valve are arranged; Practice thrift taking up room of Rocker arm assembly and valve; Has stronger adaptability; Can arrange intake and exhaust channel according to the intake and exhaust needs, be convenient to organize air inlet, reduce intake and exhaust resistance.
Summary of the invention
In view of this; The present invention provides a kind of general gasoline engine cylinder head and petrol engine thereof; Change the rectangular area structure after rocking arm and valve are arranged; Practice thrift taking up room of Rocker arm assembly and valve; Have stronger adaptability, can arrange intake and exhaust channel, be convenient to organize air inlet according to the intake and exhaust needs; Reduce intake and exhaust resistance, and can be implemented under the prerequisite of being convenient to other arrangements of components on the miniature gasoline engine and adopt inclined valve.
General gasoline engine cylinder head of the present invention; Comprise cylinder head body and the gas-entered passageway and the exhaust passage that are arranged at the cylinder head body; The corresponding intake valve that is provided with gas-entered passageway on the said cylinder head body; The corresponding exhaust valve that is provided with the exhaust passage; The intake valve correspondence is provided with intake rocker and inlet push rod; The exhaust valve correspondence is provided with exhaust rocker arm and exhaust push rod, and the action radius of said intake rocker and exhaust rocker arm is different.
Further, intake rocker and exhaust rocker arm wherein longer rocking arm resistance arm in the cylinder head mounting plane, tilt to the line of intake valve axis and exhaust valve axis; Be convenient to make longer rocking arm to draw close to the line of intake valve axis and exhaust valve axis, it is more compact to make rocking arm install, and is convenient to the valve layout of miniature gasoline engine and the layout of other parts.
Further, said gas-entered passageway between inlet push rod and exhaust push rod, the length that is shorter in length than exhaust rocker arm of said intake rocker; The resistance arm of said exhaust rocker arm line to intake valve axis and exhaust valve axis in the cylinder head mounting plane tilts; This structure can adopt inclined valve need not change the layout of original push rod, and the inclination of the resistance arm of exhaust rocker arm can be adapted to the inlet and exhaust valve that any structure is arranged; And resistance arm tilts, and makes exhaust push rod drive exhaust rocker arm and does not produce additional moment, guarantees its flexibility.
Further, said petrol engine is the vertical shaft structure, the line level of said intake valve axis and exhaust valve axis, and the airintake direction of gas-entered passageway and the discharge directions of exhaust passage all are positioned at horizontal plane; Substantially horizontal air inlet and exhaust avoid air inlet and exhaust to stagger each other, are more conducive to the smooth and easy of intake and exhaust and make cylinder head air flue layout more regular, and be beneficial to air-flow entering cylinder, form and roll stream, accelerate burning, raising petrol engine working efficiency.
Further, said intake valve top along continuous straight runs is to the gas-entered passageway tilt, and exhaust valve top along continuous straight runs is to the exhaust passage tilt; The resistance arm of said exhaust rocker arm line to intake valve axis and exhaust valve axis in vertical plane tilts; The air valve structure of this structure; For vertical shaft petrol engine; Can realize the inclined valve structure of lower arranging cam axle; Angle between inlet and exhaust valve and the intake and exhaust air flue is littler than existing structure firing chamber face; Be convenient to roll stream and intake swirl, improve intake efficiency, increase flow perturbation in the cylinder in the air inlet of cylinder inner tissue; Accelerate burning, improve petrol engine power; Reduce the resistance of intake and exhaust, make intake and exhaust more smooth and easy, be beneficial to and improve petrol engine power, reduce fuel consume, reduce exhaust emissions; The inclined valve structure can also shorten intake and exhaust port length, reduces intake and exhaust resistance; Can make the middle bridge of the nose district of intake and exhaust channel wideer, be beneficial to cooling, increase non-deformability; Improve the cooling effect in bridge of the nose district greatly, reduced cylinder head distortion at high temperature, improved reliability.
Further, the angle between said intake valve axis and the exhaust valve axis is smaller or equal to 30 °; Assurance has enough angles of inclination, guarantees the smooth and easy of air inlet and exhaust, simultaneously, guarantees that also bridge of the nose district has enough width;
Further, said intake rocker is arranged at the intake rocker seat through the intake rocker axle, and exhaust rocker arm is arranged at the exhaust rocker arm seat through the exhaust rocker arm axle; Said inlet valve rocker axis and exhaust valve rocker arm axis are 45 ° ± 20 ° angle at vertical plane; 45 ° of the bests can be adapted to the demand that rocking arm is arranged, avoid push rod driving rocking arm to produce additional moment, are beneficial to guarantee that rocking arm drives the harmony of valve event, sealing and driving flexibly; Can come the reasonable Arrangement rocking arm according to the position of inlet and exhaust valve, be more conducive to guarantee valve timing, guarantee port timing, thereby improve performance and reduce discharging.
Further; Said intake rocker seat and exhaust rocker arm seat are hatch frame; Said intake rocker axle two ends correspondence penetrates the opening both sides of intake rocker seat and cooperating around the mode single-degree-of-freedom of self rotational, the opening internal fixation that said intake rocker is positioned at the intake rocker seat is arranged at the intake rocker axle; Said exhaust rocker arm axle two ends correspondence penetrates the opening both sides of exhaust rocker arm seat and cooperating around the mode single-degree-of-freedom of self rotational, the opening internal fixation that said exhaust rocker arm is positioned at the exhaust rocker arm seat is arranged at the exhaust rocker arm axle; Fixed rocking arm is in running, and the play of its all directions or rolling momentum are little, can effectively reduce the rate of fault of rocking arm, reduces maintenance cost; The reasonable Arrangement rocking arm is come in the position that is adapted to intake and exhaust, also is beneficial to guarantee to guarantee port timing valve timing, thereby improves performance and reduce discharging.
The invention also discloses a kind of petrol engine of using general gasoline engine cylinder head, said general gasoline engine cylinder head is installed on petrol engine.
Beneficial effect of the present invention: general gasoline engine cylinder head of the present invention and petrol engine thereof; Adopt the intake rocker and the exhaust rocker arm of different motion radius (length on moving direction); Change the rectangular area structure after rocking arm and valve are arranged; Practice thrift taking up room of Rocker arm assembly and valve, have stronger adaptability, can arrange intake and exhaust channel according to the intake and exhaust needs; Be convenient to organize air inlet; Reduce intake and exhaust resistance, improve petrol engine power, reduce discharging; And can be implemented under the prerequisite of being convenient to other arrangements of components on the miniature gasoline engine and adopt inclined valve; Do not change the layout of existing push rod; Particularly for vertical shaft petrol engine; Can realize the inclined valve structure of lower arranging cam axle, the angle between inlet and exhaust valve and the intake and exhaust air flue is littler than existing structure firing chamber face, is convenient to roll stream and intake swirl in the air inlet of cylinder inner tissue; Improve intake efficiency; Increase flow perturbation in the cylinder, accelerate burning, improve petrol engine power; Reduce the resistance of intake and exhaust; Make intake and exhaust more smooth and easy; Be beneficial to and improve petrol engine power; Reduce fuel consume; Reduce exhaust emissions, the HC+NOx of discharging meets or exceeds the U.S. EPA standard, is example with the petrol engine of peak output (rotating speed 3600rpm) 3.0kW; Power can be brought up to 3.6kW, and discharging is reduced to 8.0g/kW.h by 9.0g/kW.h; Is example with peak output by the petrol engine of 3.5kW, and power can have been brought up to 4.2kW, and discharging is reduced to 8.1g/kW.h by 9.0g/kW.h, all satisfies the standard of EPA3 stage 10g/kW.h; This shows that petrol engine power raising of the present invention and discharging reduce comparatively obvious, are beneficial to the protection environment.
Cylinder head of the present invention is used for petrol engine, and energy saving, reduction consume.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Fig. 1 is a structural representation of the present invention;
Fig. 2 be Fig. 1 along A-A to sectional view.
Embodiment
Fig. 1 is a structural representation of the present invention; Fig. 2 be Fig. 1 along A-A to cutaway view; As shown in the figure: the general gasoline engine cylinder head of present embodiment; Comprise cylinder head body 1 and the inlet channel 12 and the exhaust passage 11 that are arranged at cylinder head body 1; The cylinder head body 1 inboard combustion chamber face 13 that forms; On the said cylinder head body 1 with the inlet channel 12 corresponding inlet valves 5 that are provided with; With the exhaust passage 11 corresponding exhaust valves 9 that are provided with; Inlet valve 5 correspondences are provided with intake rocker 8 and inlet push rod (not identifying among the figure); Exhaust valve 9 correspondences are provided with exhaust rocker arm 2 and exhaust push rod (not identifying among the figure), and the action radius of said intake rocker 8 and exhaust rocker arm 2 is different.
In the present embodiment, intake rocker 8 and the wherein longer rocking arm of exhaust rocker arm 2 (intake rocker 8 and exhaust rocker arm 2 long one) resistance arm in the cylinder head mounting plane to the line inclination of intake valve 5 axis and exhaust valve 9 axis; Be convenient to make longer rocking arm to draw close to the line of intake valve axis and exhaust valve axis, it is more compact to make rocking arm install, and is convenient to the valve layout of miniature gasoline engine and the layout of other parts; As shown in the figure, the line of intake valve 5 axis and exhaust valve 9 axis and the line of inlet push rod axis and exhaust push rod axis intersect between inlet push rod axis and the exhaust push rod axis, are angle, make this zone structure triangular in shape, reduce floor space greatly.
In the present embodiment, said gas-entered passageway 12 between inlet push rod and exhaust push rod, the length that is shorter in length than exhaust rocker arm 2 of said intake rocker 8; The resistance arm of said exhaust rocker arm 2 line to intake valve 5 axis and exhaust valve 9 axis in the cylinder head mounting plane tilts; This structure can adopt inclined valve need not change the layout of original push rod, and the inclination of the resistance arm of exhaust rocker arm can be adapted to the inlet and exhaust valve that any structure is arranged; And resistance arm tilts, and makes exhaust push rod drive exhaust rocker arm and does not produce additional moment, guarantees its flexibility.
In the present embodiment, said petrol engine is the vertical shaft structure, the line level of said intake valve 5 axis and exhaust valve 9 axis, and the discharge directions of the airintake direction of gas-entered passageway 12 and exhaust passage 11 all is positioned at horizontal plane; Substantially horizontal air inlet and exhaust avoid air inlet and exhaust to stagger each other, are more conducive to the smooth and easy of intake and exhaust and make cylinder head air flue layout more regular, and be beneficial to air-flow entering cylinder, form and roll stream, accelerate burning, raising petrol engine working efficiency.
In the present embodiment, said intake valve 5 top along continuous straight runs are to gas-entered passageway 12 tilt, and exhaust valve 9 top along continuous straight runs are to exhaust passage 11 tilt; The resistance arm of said exhaust rocker arm 2 line to intake valve axis and exhaust valve axis in vertical plane tilts; The air valve structure of this structure; For vertical shaft petrol engine; Can realize the inclined valve structure of lower arranging cam axle; Angle between inlet and exhaust valve and the intake and exhaust air flue is littler than existing structure firing chamber face; Be convenient to roll stream and intake swirl, improve intake efficiency, increase flow perturbation in the cylinder in the air inlet of cylinder inner tissue; Accelerate burning, improve petrol engine power; Reduce the resistance of intake and exhaust, make intake and exhaust more smooth and easy, be beneficial to and improve petrol engine power, reduce fuel consume, reduce exhaust emissions; The inclined valve structure can also shorten intake and exhaust port length, reduces intake and exhaust resistance; Can make the middle bridge of the nose district of intake and exhaust channel wideer, be beneficial to cooling, increase non-deformability; Improve the cooling effect in bridge of the nose district greatly, reduced cylinder head distortion at high temperature, improved reliability.
In the present embodiment, the angle β between said intake valve 5 axis and exhaust valve 9 axis is smaller or equal to 30 °; Assurance has enough angles of inclination and is beneficial to layout, guarantees the smooth and easy of air inlet and exhaust, simultaneously, guarantees that also bridge of the nose district has enough width;
In the present embodiment, said intake rocker 8 is arranged at intake rocker seat 6 through intake rocker axle 7, and exhaust rocker arm 2 is arranged at exhaust rocker arm seat 4 through exhaust rocker arm axle 3; Said inlet valve rocker axle 7 axis and exhaust valve rocker arm axle 3 axis are 45 ° ± 20 ° angle δ at vertical plane, adopt 45 ° in the present embodiment; Be convenient to arrange, and can be adapted to the demand that rocking arm is arranged, avoid push rod driving rocking arm to produce additional moment, be beneficial to and guarantee that rocking arm drives the harmony of valve event, sealing and driving flexibly; Can come the reasonable Arrangement rocking arm according to the position of inlet and exhaust valve, be more conducive to guarantee valve timing, guarantee port timing, thereby improve performance and reduce discharging.
In the present embodiment; Said intake rocker seat 6 is hatch frame with exhaust rocker arm seat 4; Said intake rocker axle 7 two ends correspondences penetrate the opening both sides of intake rocker seat 6 and cooperating around the mode single-degree-of-freedom of self rotational, the opening internal fixation that said intake rocker 8 is positioned at intake rocker seat 6 is arranged at intake rocker axle 7; Said exhaust rocker arm axle 3 two ends correspondences penetrate the opening both sides of exhaust rocker arm seat 4 and cooperating around the mode single-degree-of-freedom of self rotational, the opening internal fixation that said exhaust rocker arm 2 is positioned at exhaust rocker arm seat 4 is arranged at exhaust rocker arm axle 3.Cooperating the fit system that can adopt prior art, comprise shaft shoulder limit axial degrees of freedom or the like around the mode single-degree-of-freedom of self rotational; Fixed rocking arm is in running, and the play of its all directions or rolling momentum are little, can effectively reduce the rate of fault of rocking arm, reduces maintenance cost; The reasonable Arrangement rocking arm is come in the position that is adapted to intake and exhaust, also is beneficial to guarantee to guarantee port timing valve timing, thereby improves performance and reduce discharging.
The invention also discloses a kind of petrol engine of using general gasoline engine cylinder head, this general gasoline engine cylinder head is installed on petrol engine, when this petrol engine is horizontal axis, is applied to motorcycle; Other structural types can be used for universal machine, and universal machine comprises pump, blower fan, compressor, subtracts variable-speed motor, generator or the like.
Explanation is at last; Above embodiment is only unrestricted in order to technological scheme of the present invention to be described; Although the present invention is described in detail with reference to preferred embodiment; Those of ordinary skill in the art is to be understood that; Can make amendment or be equal to replacement technological scheme of the present invention; And not breaking away from the aim and the scope of technological scheme of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (9)
1. general gasoline engine cylinder head; Comprise cylinder head body and the gas-entered passageway and the exhaust passage that are arranged at the cylinder head body; The corresponding intake valve that is provided with gas-entered passageway on the said cylinder head body; The corresponding exhaust valve that is provided with the exhaust passage; The intake valve correspondence is provided with intake rocker and inlet push rod; The exhaust valve correspondence is provided with exhaust rocker arm and exhaust push rod, it is characterized in that: the action radius of said intake rocker and exhaust rocker arm is different.
2. general gasoline engine cylinder head according to claim 1 is characterized in that: intake rocker and exhaust rocker arm wherein longer rocking arm resistance arm in the cylinder head mounting plane, tilt to the line of intake valve axis and exhaust valve axis.
3. general gasoline engine cylinder head according to claim 2 is characterized in that: said gas-entered passageway between inlet push rod and exhaust push rod, the length that is shorter in length than exhaust rocker arm of said intake rocker; The resistance arm of said exhaust rocker arm line to intake valve axis and exhaust valve axis in the cylinder head mounting plane tilts.
4. general gasoline engine cylinder head according to claim 3; It is characterized in that: said petrol engine is the vertical shaft structure; The line level of said intake valve axis and exhaust valve axis, the airintake direction of gas-entered passageway and the discharge directions of exhaust passage all are positioned at horizontal plane.
5. general gasoline engine cylinder head according to claim 4 is characterized in that: said intake valve top along continuous straight runs is to the gas-entered passageway tilt, and exhaust valve top along continuous straight runs is to the exhaust passage tilt; The resistance arm of said exhaust rocker arm line to intake valve axis and exhaust valve axis in vertical plane tilts.
6. general gasoline engine cylinder head according to claim 5 is characterized in that: the angle between said intake valve axis and the exhaust valve axis is smaller or equal to 30 °.
7. general gasoline engine cylinder head according to claim 6 is characterized in that: said intake rocker is arranged at the intake rocker seat through the intake rocker axle, and exhaust rocker arm is arranged at the exhaust rocker arm seat through the exhaust rocker arm axle; Said inlet valve rocker axis and exhaust valve rocker arm axis are 45 ° ± 20 ° angle at vertical plane.
8. general gasoline engine cylinder head according to claim 7; It is characterized in that: said intake rocker seat and exhaust rocker arm seat are hatch frame; Said intake rocker axle two ends correspondence penetrates the opening both sides of intake rocker seat and cooperating around the mode single-degree-of-freedom of self rotational, the opening internal fixation that said intake rocker is positioned at the intake rocker seat is arranged at the intake rocker axle; Said exhaust rocker arm axle two ends correspondence penetrates the opening both sides of exhaust rocker arm seat and cooperating around the mode single-degree-of-freedom of self rotational, the opening internal fixation that said exhaust rocker arm is positioned at the intake rocker seat is arranged at the exhaust rocker arm axle.
9. an application rights requires the petrol engine of the described general gasoline engine cylinder head of 1 to 8 arbitrary claim, and it is characterized in that: general gasoline engine cylinder head is installed on petrol engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110061204.2A CN102305148B (en) | 2011-03-14 | 2011-03-14 | General gasoline engine cylinder head and gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110061204.2A CN102305148B (en) | 2011-03-14 | 2011-03-14 | General gasoline engine cylinder head and gasoline engine |
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| Publication Number | Publication Date |
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| CN102305148A true CN102305148A (en) | 2012-01-04 |
| CN102305148B CN102305148B (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110061204.2A Expired - Fee Related CN102305148B (en) | 2011-03-14 | 2011-03-14 | General gasoline engine cylinder head and gasoline engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012122838A1 (en) * | 2011-03-14 | 2012-09-20 | 隆鑫通用动力股份有限公司 | Universal gasoline engine |
| WO2012122820A1 (en) * | 2011-03-14 | 2012-09-20 | 隆鑫通用动力股份有限公司 | Vertical-shaft gasoline engine cylinder head assembly and gasoline engine having same |
| WO2012122819A1 (en) * | 2011-03-14 | 2012-09-20 | 隆鑫通用动力股份有限公司 | Air-cooled universal cylinder head for vertical-shaft gasoline engine and gasoline engine having same |
| CN113818942A (en) * | 2021-09-11 | 2021-12-21 | 重庆龙力动力设备有限公司 | Valve actuating mechanism of gasoline engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2012122838A1 (en) * | 2011-03-14 | 2012-09-20 | 隆鑫通用动力股份有限公司 | Universal gasoline engine |
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| WO2012122819A1 (en) * | 2011-03-14 | 2012-09-20 | 隆鑫通用动力股份有限公司 | Air-cooled universal cylinder head for vertical-shaft gasoline engine and gasoline engine having same |
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| CN113818942A (en) * | 2021-09-11 | 2021-12-21 | 重庆龙力动力设备有限公司 | Valve actuating mechanism of gasoline engine |
| CN113818942B (en) * | 2021-09-11 | 2022-10-04 | 重庆龙力动力设备有限公司 | Valve actuating mechanism of gasoline engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102305148B (en) | 2015-07-01 |
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