CN202031715U - Cylinder head of compact valve rocker assembly and gasoline engine thereof - Google Patents
Cylinder head of compact valve rocker assembly and gasoline engine thereof Download PDFInfo
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- CN202031715U CN202031715U CN2011200659345U CN201120065934U CN202031715U CN 202031715 U CN202031715 U CN 202031715U CN 2011200659345 U CN2011200659345 U CN 2011200659345U CN 201120065934 U CN201120065934 U CN 201120065934U CN 202031715 U CN202031715 U CN 202031715U
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- rocker
- rocker arm
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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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Abstract
The utility model discloses a cylinder head of a compact valve rocker assembly and a gasoline engine thereof. An air inlet valve is arranged on a cylinder head body at a position corresponding to an air inlet channel, and an exhaust valve is arranged on the cylinder head body at a position corresponding to an exhaust channel. An air inlet rocker and an air inlet push rod are correspondingly arranged on the air inlet valve, and an exhaust rocker and an exhaust push rod are correspondingly arranged on the exhaust valve. The action radiuses of the air inlet rocker and the exhaust rocker are different. The cylinder head of the compact valve rocker assembly saves arrangement space of a rocker valve, occupies smaller arrangement area, and does not need to change arrangement of the existing push rod. Especially, as for a vertical shaft gasoline engine, an inclindedly arranged valve structure with a camshaft arranged below facilitates organizating of inlet tumbles and inlet eddy currents in a cylinder, air inflow efficiency is improved, air current disturbance in the cylinder is increased, combustion is accelerated, power of the gasoline engine is improved, and exhaust is reduced. Take an example of a gasoline engine with a maximum power of (revolving speed of 3060 rpm) 3.0 kW, the power can be improved to 3.6 kW, and exhaust is lowered from 9.0 g/kW.h to 8.0 g/kW.h; and take an example of a gasoline engine with a maximum power of 3.5 kW, the power can be improved to 4.2 kW, and exhaust is lowered from 9.0 g/kW.h to 8.1 g/kW.h, and both the two gasoline engines meet the standard of 10 g/kW.h of the environmental protection agency (EPA) third stage.
Description
Technical field
The utility model 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 a large amount of heats, 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, generally comprises intake valve and exhaust valve that described cylinder head is provided with, and the opening and closing of intake valve and exhaust valve are controlled respectively by driving components such as rocker arm assemblies; Described 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 opening and closing of intake valve and exhaust valve generally drive the acting in conjunction realization of assembly by return spring and rocking arm, the power of rocking arm comes from camshaft, according to different structures, by push rod or directly driving realization.No matter which kind of driving structure finally all is to realize driving by 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 (as 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, save 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.
The model utility content
In view of this, the utility model provides a kind of cylinder head and petrol engine thereof of compact type valve rocker arm assembly, change the rectangular area structure after rocking arm and valve are arranged, save 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.
The cylinder head of compact type valve rocker arm assembly of the present utility model, 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 described 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 described 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, described gas-entered passageway between inlet push rod and exhaust push rod, the length that is shorter in length than exhaust rocker arm of described intake rocker; The resistance arm of described 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, described petrol engine is the vertical shaft structure, the line level of described 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 mutually, are more conducive to the smooth and easy of intake and exhaust and the cylinder head air flue is arranged more regular, and are beneficial to air-flow and enter cylinder, form and roll stream, accelerate burning, raising petrol engine working efficiency.
Further, described intake valve top along continuous straight runs is oblique to the gas-entered passageway inclination, and exhaust valve top along continuous straight runs is oblique to the exhaust passage inclination; The resistance arm of described 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 described 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, described intake rocker is arranged at the intake rocker seat by the intake rocker axle, and exhaust rocker arm is arranged at the exhaust rocker arm seat by the exhaust rocker arm axle; Described 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, described intake rocker seat and exhaust rocker arm seat are hatch frame, described 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 described intake rocker is positioned at the intake rocker seat is arranged at the intake rocker axle; Described 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 described 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 the cylinder head of compact type valve rocker arm assembly, the cylinder head of described compact type valve rocker arm assembly is installed on petrol engine.
The beneficial effects of the utility model: the cylinder head of compact type valve rocker arm assembly of the present utility model 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, save 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 utility model and discharging reduce comparatively obvious, are beneficial to the protection environment.
Cylinder head of the present utility model is used for petrol engine, and energy saving, reduction consume.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 be Fig. 1 along A-A to sectional view.
Embodiment
Fig. 1 is a structural representation of the present utility model, Fig. 2 be Fig. 1 along A-A to sectional view, as shown in the figure: the cylinder head of the compact type valve rocker arm assembly of present embodiment, comprise cylinder head body 1 and the gas-entered passageway 12 and the exhaust passage 11 that are arranged at cylinder head body 1, the cylinder head body 1 inboard firing chamber face 13 that forms, on the described cylinder head body 1 with the gas-entered passageway 12 corresponding intake valves 5 that are provided with, with the exhaust passage 11 corresponding exhaust valves 9 that are provided with, intake 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 described intake rocker 8 and exhaust rocker arm 2 is different.
In the present embodiment, the wherein longer rocking arm of intake rocker 8 and exhaust rocker arm 2 (intake rocker 8 and exhaust rocker arm 2 long) resistance arm line to intake valve 5 axis and exhaust valve 9 axis in the cylinder head mounting plane tilt; 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 α, make this zone structure triangular in shape, reduce floor space greatly.
In the present embodiment, described 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 described intake rocker 8; The resistance arm of described 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, described petrol engine is the vertical shaft structure, the line level of described 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 mutually, are more conducive to the smooth and easy of intake and exhaust and the cylinder head air flue is arranged more regular, and are beneficial to air-flow and enter cylinder, form and roll stream, accelerate burning, raising petrol engine working efficiency.
In the present embodiment, described intake valve 5 top along continuous straight runs are oblique to gas-entered passageway 12 inclinations, and exhaust valve 9 top along continuous straight runs are oblique to exhaust passage 11 inclinations; The resistance arm of described 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 described 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, described intake rocker 8 is arranged at intake rocker seat 6 by intake rocker axle 7, and exhaust rocker arm 2 is arranged at exhaust rocker arm seat 4 by exhaust rocker arm axle 3; Described 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, described intake rocker seat 6 and exhaust rocker arm seat 4 are hatch frame, described 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 described intake rocker 8 is positioned at intake rocker seat 6 is arranged at intake rocker axle 7; Described 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 described 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 restrictive 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 the cylinder head of compact type valve rocker arm assembly, the cylinder head of this compact type valve rocker arm assembly 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 the explanation the technical solution of the utility model, although the utility model is had been 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 the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (9)
1. the cylinder head of a compact type valve rocker arm assembly, 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 described 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 described intake rocker and exhaust rocker arm is different.
2. the cylinder head of compact type valve rocker arm assembly 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. the cylinder head of compact type valve rocker arm assembly according to claim 2 is characterized in that: described gas-entered passageway between inlet push rod and exhaust push rod, the length that is shorter in length than exhaust rocker arm of described intake rocker; The resistance arm of described exhaust rocker arm line to intake valve axis and exhaust valve axis in the cylinder head mounting plane tilts.
4. the cylinder head of compact type valve rocker arm assembly according to claim 3, it is characterized in that: described petrol engine is the vertical shaft structure, the line level of described 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. the cylinder head of compact type valve rocker arm assembly according to claim 4 is characterized in that: described intake valve top along continuous straight runs is oblique to the gas-entered passageway inclination, and exhaust valve top along continuous straight runs is oblique to the exhaust passage inclination; The resistance arm of described exhaust rocker arm line to intake valve axis and exhaust valve axis in vertical plane tilts.
6. the cylinder head of compact type valve rocker arm assembly according to claim 5 is characterized in that: the angle between described intake valve axis and the exhaust valve axis is smaller or equal to 30 °.
7. the cylinder head of compact type valve rocker arm assembly according to claim 6 is characterized in that: described intake rocker is arranged at the intake rocker seat by the intake rocker axle, and exhaust rocker arm is arranged at the exhaust rocker arm seat by the exhaust rocker arm axle; Described inlet valve rocker axis and exhaust valve rocker arm axis are 45 ° ± 20 ° angle at vertical plane.
8. the cylinder head of compact type valve rocker arm assembly according to claim 7, it is characterized in that: described intake rocker seat and exhaust rocker arm seat are hatch frame, described 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 described intake rocker is positioned at the intake rocker seat is arranged at the intake rocker axle; Described 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 described 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 cylinder head of the described compact type valve rocker arm assembly of 1 to 8 arbitrary claim, and it is characterized in that: the cylinder head of compact type valve rocker arm assembly is installed on petrol engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200659345U CN202031715U (en) | 2011-03-14 | 2011-03-14 | Cylinder head of compact valve rocker assembly and gasoline engine thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200659345U CN202031715U (en) | 2011-03-14 | 2011-03-14 | Cylinder head of compact valve rocker assembly and gasoline engine thereof |
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| Publication Number | Publication Date |
|---|---|
| CN202031715U true CN202031715U (en) | 2011-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200659345U Expired - Fee Related CN202031715U (en) | 2011-03-14 | 2011-03-14 | Cylinder head of compact valve rocker assembly and gasoline engine thereof |
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| Country | Link |
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| CN (1) | CN202031715U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305148A (en) * | 2011-03-14 | 2012-01-04 | 隆鑫通用动力股份有限公司 | General gasoline engine cylinder head and gasoline engine |
| CN103133074A (en) * | 2011-11-30 | 2013-06-05 | 本田技研工业株式会社 | Vertical-type air-cooled OHV engine |
| CN107939467A (en) * | 2017-12-28 | 2018-04-20 | 潍柴动力股份有限公司 | Valve intake and exhaust rocker structure and diesel engine |
-
2011
- 2011-03-14 CN CN2011200659345U patent/CN202031715U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305148A (en) * | 2011-03-14 | 2012-01-04 | 隆鑫通用动力股份有限公司 | General gasoline engine cylinder head and gasoline engine |
| CN103133074A (en) * | 2011-11-30 | 2013-06-05 | 本田技研工业株式会社 | Vertical-type air-cooled OHV engine |
| CN107939467A (en) * | 2017-12-28 | 2018-04-20 | 潍柴动力股份有限公司 | Valve intake and exhaust rocker structure and diesel engine |
| CN107939467B (en) * | 2017-12-28 | 2023-12-15 | 潍柴动力股份有限公司 | Valve air inlet and outlet rocker arm structure and diesel engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chongqing Loncin Die-Casting Co., Ltd. Assignor: Loncin General Dynamics Co., Ltd. Contract record no.: 2012500000090 Denomination of utility model: Cylinder head of compact valve rocker assembly and gasoline engine thereof Granted publication date: 20111109 License type: Exclusive License Record date: 20120920 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111109 Termination date: 20180314 |