CN202039939U - Cylinder end of curved surface combustion chamber for general gasoline engine and gasoline engine thereof - Google Patents
Cylinder end of curved surface combustion chamber for general gasoline engine and gasoline engine thereof Download PDFInfo
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- CN202039939U CN202039939U CN2011200664517U CN201120066451U CN202039939U CN 202039939 U CN202039939 U CN 202039939U CN 2011200664517 U CN2011200664517 U CN 2011200664517U CN 201120066451 U CN201120066451 U CN 201120066451U CN 202039939 U CN202039939 U CN 202039939U
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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 end of a curved surface combustion chamber for a general gasoline engine and a gasoline engine thereof, the cylinder end comprises a cylinder end body, a combustion chamber surface is formed at the internal side of the cylinder end body, the combustion chamber surface is a spherical structure or an arched structure formed by a smooth curved surface, the spherical structure combustion chamber or the arched structure combustion chamber formed by the smooth curved surface adopted for the cylinder end in the utility model provides a smaller surface to volume ratio, improves working efficiency of a gasoline engine, effectively reduces consumption rate of fuel oil, facilitates combustion and reduces emission, and improves power of the gasoline engine; emitted HC+NOx reaches or event exceeds the American EPA (Environmental Protection Agency) standard, if a gasoline engine with the maximal power of 3.0 kW (rotating speed 3600 rpm) is used as an example, the power can be improved to 3.4 kW, and emission is reduced to 8.1g/kW.h from 9.0 g/kW.h; if a gasoline engine with the maximal power of 3.5kW is used as an example, the power can be improved to 3.9 kW, and emission is reduced to 8.1g/kW.h from 9.0 g/kW.h, the EPA standard with emission of 10g/kW.h at the third stage is satisfied; therefore, the gasoline engine in the utility model is advantaged by obvious power improvement and emission reduction, and facilitation of environmental protection.
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 gas-entered passageway and exhaust passage, 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 parameter of firing chamber is the necessary condition that guarantees the efficient operation of petrol engine.
In the prior art, the firing chamber face of cylinder head generally adopts wedge-shaped structure, has bigger face on year-on-year basis, but this structure helps the installation of other accessory structure, such as valve assembly; If change firing chamber face structure, then can influence the layout of inlet and outlet door assembly.Existing inlet and outlet door assembly structure can not be applicable to the installation of different structure firing chamber, otherwise can occur being not closed completely, inaccurate and problem that action has some setbacks, influence the normal operation of petrol engine.
Therefore, need improve the firing chamber of petrol engine cylinder head, have the chamber structure of littler surface to volume ratio, improve the operational efficiency of petrol engine, fuel saving reduces discharging.
The model utility content
In view of this, the utility model provides the cylinder head and the petrol engine thereof of a kind of general gasoline engines curved surface firing chamber, has the chamber structure of littler surface to volume ratio, improves the operational efficiency of petrol engine, and fuel saving reduces discharging.
The cylinder head of general gasoline engines curved surface of the present utility model firing chamber comprises the cylinder head body, the inboard firing chamber face that forms of cylinder head body, and described firing chamber face is the arch structure that spherical structure or smooth surface constitute.
Further, described firing chamber face is arch structure, and described firing chamber face is seamlessly transitted successively from bottom to top by at least three smooth surfaces to be formed, and described smooth surface is parabola or hyperboloid; Can better eliminate the abundant mixing that existing one spherical structure is unfavorable for combustion gas, reduce composite rate, the drawback of influence burning and discharging, because surface blending is beneficial to the mixing of combustion gas, the air-flow that enters can be subjected to the resistance of different direction, makes fuel mixture can better form turbulent flow, it is more abundant to burn, effectively reduce fuel consumption rate, be beneficial to burning and reduce discharging, increase petrol engine power.
Further, on the described cylinder head body gas-entered passageway and exhaust passage are set, 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, described intake valve top is oblique to the gas-entered passageway inclination, and the exhaust valve top is oblique to the exhaust passage inclination; 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, improves intake efficiency, increases flow perturbation in the cylinder, accelerates burning, improves 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, simultaneously, inclined valve can make the bridge of the nose district in the middle of the intake and exhaust channel wideer, is 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, described intake valve axis and exhaust valve axis are respectively perpendicular to the tangent plane of firing chamber face and its crosspoint; The intake and exhaust direction of intake valve and exhaust valve and firing chamber adapts, and reduces resistance, increases the power character of petrol engine.
Further, the seat ring inner end of the seat ring inner end of intake valve and exhaust valve and firing chamber face conformal; Suitable shape promptly adapts to shape, the end surface shape of the seat ring inner end of valve and the seat ring inner end of exhaust valve and firing chamber face shape adapt, eliminate step, reduce interference to air inlet and exhaust, reduce resistance, eliminate the sudden change of dead angle and shape, guarantee the abundant burning of mixed gas, improve petrol engine efficient.
Further, 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, 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; 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 correspondence is provided with intake rocker and inlet push rod, and the exhaust valve correspondence is provided with exhaust rocker arm and exhaust push rod, described gas-entered passageway between inlet push rod and exhaust push rod, the length that is shorter in length than exhaust rocker arm of intake rocker; The resistance arm of described exhaust rocker arm line to intake valve axis and exhaust valve axis in vertical plane tilts; This structure adopts inclined valve need not change the layout of original push rod, and the resistance arm of exhaust rocker arm slopes inwardly and can be adapted to be the inlet and exhaust valve of horizontal arrangement; And resistance arm tilts, and makes exhaust push rod drive exhaust rocker arm and does not produce additional moment, guarantees its flexibility.
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; 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; 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.
The invention also discloses a kind of petrol engine of using the cylinder head of general gasoline engines curved surface firing chamber, the cylinder head of described general gasoline engines curved surface firing chamber is installed on petrol engine.
The beneficial effects of the utility model: the cylinder head and the petrol engine thereof of general gasoline engines curved surface of the present utility model firing chamber, the arch structure firing chamber of adopting spheric structure firing chamber or smooth surface to constitute, surface to volume ratio is less, improve the petrol engine working efficiency, effectively reduce fuel consumption rate, be beneficial to burning and reduce discharging, increase petrol engine power; 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, and power can be brought up to 3.4kW, and discharging is reduced to 8.1g/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 3.9kW, 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 general gasoline engines curved surface firing chamber of present embodiment comprises cylinder head body 1, the cylinder head body 1 inboard firing chamber face 13 that forms, the arch structure that described firing chamber face 13 constitutes for smooth surface.
In the present embodiment, the smooth surface that constitutes firing chamber face 13 is seamlessly transitted successively from bottom to top by three smooth surfaces at least to be formed; Present embodiment adopts three smooth surfaces (being respectively parabolic a, hyperboloid b and parabolic c), and smooth surface can make up for other modes of parabola, hyperboloid etc., forms the firing chamber of arch structure jointly; Can better eliminate the abundant mixing that existing one spherical structure is unfavorable for combustion gas, reduce composite rate, the drawback of influence burning and discharging, because surface blending is beneficial to the mixing of combustion gas, the air-flow that enters can be subjected to the resistance of different direction, makes fuel mixture can better form turbulent flow, it is more abundant to burn, effectively reduce fuel consumption rate, be beneficial to burning and reduce discharging, increase petrol engine power.
In the present embodiment, gas-entered passageway 12 and exhaust passage 11 are set on the described cylinder head body 1, 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, described intake valve 5 tops are oblique to gas-entered passageway 12 inclinations, and exhaust valve 9 tops are oblique to exhaust passage 11 inclinations; 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, improves intake efficiency, increases flow perturbation in the cylinder, accelerates burning, improves 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, simultaneously, inclined valve can make the bridge of the nose district in the middle of the intake and exhaust channel wideer, is 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, described intake valve 5 axis and exhaust valve 9 axis are respectively perpendicular to the tangent plane of firing chamber face 13 with its crosspoint; Intake valve 5 and exhaust valve 9 adapt with the intake and exhaust direction of firing chamber, reduce resistance, increase the power character of petrol engine.
In the present embodiment, the seat ring 5a inner end of intake valve 5 and the seat ring 9a inner end of exhaust valve 9 and firing chamber face 13 conformals; Suitable shape promptly adapts to shape, the end surface shape of the seat ring inner end of intake valve and the seat ring inner end of exhaust valve and firing chamber face shape adapt, eliminate step, reduce interference to air inlet and exhaust, reduce resistance, eliminate the sudden change of dead angle and shape, guarantee the abundant burning of mixed gas, improve petrol engine efficient.
In the present embodiment, 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 (among the figure not sign), between the line of the line of described intake valve axis and exhaust valve axis and inlet push rod axis and exhaust push rod axis intersects between inlet push rod axis and the exhaust push rod axis and angle be 90 ° ± 20 °; Because inlet push rod withstands on intake rocker and the exhaust rocker arm with exhaust push rod is all vertical, thereby the point of contact of intake rocker and exhaust rocker arm and inlet push rod and exhaust push rod can reflect the axial location of inlet push rod and exhaust push rod; The angle a of the line of the line of the point of contact of gas rocking arm and exhaust rocker arm and inlet push rod and exhaust push rod and intake valve 5 axis and exhaust valve 9 axis among the figure is the angle of the line of the line of intake valve 5 axis and exhaust valve 9 axis and inlet push rod axis and exhaust push rod axis; This structure makes the layout area of valve form triangle, occupy less arrangement areas, be convenient to the layout of other parts, 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, have bigger angle, preferable structure is 90 °, make and realize standardization easily, make the valve zone as possible, reduce occupation area for the equilateral triangle structure, the line of intake valve axis and exhaust valve axis is between inlet push rod and exhaust push rod, be convenient to arrange gas-entered passageway, realize that the resistance of air inlet, exhaust minimizes, improve gasoline engine performance; Be convenient to arrange Carburetor/parts such as empty filter, reduce reforming cost.
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, the discharge directions of the airintake direction of gas-entered passageway 12 and exhaust passage 11 all is positioned at horizontal plane, intake valve 5 top along continuous straight runs are oblique to the gas-entered passageway inclination, and exhaust valve 9 top along continuous straight runs are oblique to the exhaust passage inclination; 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 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 intake rocker 8; The resistance arm of described exhaust rocker arm 2 line to intake valve 5 axis and exhaust valve 9 axis in vertical plane tilts, because (intake valve or exhaust valve) rocking arm is a lever construction, with the pitman arm shaft is fulcrum, and the part that is used to drive valve is a resistance arm, and the part that cooperates with push rod is a power arm; This structure of the resistance arm of exhaust rocker arm 2 adopts inclined valve need not change the layout of original push rod, and the resistance arm of exhaust rocker arm slopes inwardly and can be adapted to be the inlet and exhaust valve of horizontal arrangement; 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 firing chamber face 1 forms bridge of the nose district 14 between intake valve 5 and exhaust valve 11, be positioned at the air-cooled path 10 that 14 outsides, bridge of the nose district are provided with up/down perforation on the cylinder head body 1; Unimpeded air-cooled passage has improved the cooling effect in bridge of the nose district greatly fully, has reduced cylinder head distortion at high temperature, has improved the reliability of valve sealing; And cooling duct connects from the top down, with the wind direction that the vertical shaft petrol engine cooling air blows from the top down, does not need extra wind-guiding setting, has better cooling effect.
In the present embodiment, described firing chamber face 13 is spheric structure or smooth surface structure; Be spheric structure in the present embodiment, have less surface to volume ratio, increase the squish zone, thereby increase flow perturbation, improve the petrol engine working efficiency, reach the purpose that reduces fuel consume and discharging; Described intake valve axis and exhaust valve axis are respectively perpendicular to the tangent plane of firing chamber face and its crosspoint; Adapt with the intake and exhaust direction of firing chamber, reduce resistance, improve petrol engine efficient, increase the power character of petrol engine.
In the present embodiment, the angle β between described intake valve 5 axis and exhaust valve 9 axis in the present embodiment is 30 ° 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 14 has enough width; 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 intake rocker 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 general gasoline engines curved surface firing chamber, the cylinder head of this general gasoline engines curved surface firing chamber 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 general gasoline engines curved surface firing chamber comprises the cylinder head body, the inboard firing chamber face that forms of cylinder head body, and it is characterized in that: described firing chamber face is the arch structure that spherical structure or smooth surface constitute.
2. the cylinder head of general gasoline engines curved surface according to claim 1 firing chamber, it is characterized in that: described firing chamber face is arch structure, described firing chamber face is seamlessly transitted successively from bottom to top by at least three smooth surfaces to be formed, and described smooth surface is parabola or hyperboloid.
3. the cylinder head of general gasoline engines curved surface according to claim 2 firing chamber, it is characterized in that: on the described cylinder head body gas-entered passageway and exhaust passage are set, 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, described intake valve top is oblique to the gas-entered passageway inclination, and the exhaust valve top is oblique to the exhaust passage inclination.
4. the cylinder head of general gasoline engines curved surface according to claim 3 firing chamber is characterized in that: described intake valve axis and exhaust valve axis are respectively perpendicular to the tangent plane of firing chamber face and its crosspoint.
5. the cylinder head of general gasoline engines curved surface according to claim 4 firing chamber is characterized in that: the seat ring inner end of intake valve and the seat ring inner end of exhaust valve and firing chamber face conformal.
6. the cylinder head of general gasoline engines curved surface according to claim 5 firing chamber, 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, it is oblique to the gas-entered passageway inclination that the airintake direction of gas-entered passageway and the discharge directions of exhaust passage all are positioned at horizontal plane intake valve top along continuous straight runs, and exhaust valve top along continuous straight runs is oblique to the exhaust passage inclination.
7. the cylinder head of general gasoline engines curved surface according to claim 6 firing chamber, it is characterized in that: described 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, described gas-entered passageway between inlet push rod and exhaust push rod, the length that is shorter in length than exhaust rocker arm of intake rocker; The resistance arm of described exhaust rocker arm line to intake valve axis and exhaust valve axis in vertical plane tilts.
8. the cylinder head of general gasoline engines curved surface according to claim 7 firing chamber is characterized in that: the angle between described intake valve axis and the exhaust valve axis is smaller or equal to 30 °; 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.
9. an application rights requires the petrol engine of the cylinder head of the described general gasoline engines curved surface of 1 to 8 arbitrary claim firing chamber, and it is characterized in that: the cylinder head of general gasoline engines curved surface firing chamber is installed on petrol engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200664517U CN202039939U (en) | 2011-03-14 | 2011-03-14 | Cylinder end of curved surface combustion chamber for general gasoline engine and gasoline engine thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200664517U CN202039939U (en) | 2011-03-14 | 2011-03-14 | Cylinder end of curved surface combustion chamber for general gasoline engine and gasoline engine thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202039939U true CN202039939U (en) | 2011-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200664517U Expired - Lifetime CN202039939U (en) | 2011-03-14 | 2011-03-14 | Cylinder end of curved surface combustion chamber for general gasoline engine and gasoline engine thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN202039939U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305143A (en) * | 2011-03-14 | 2012-01-04 | 隆鑫通用动力股份有限公司 | Cylinder head for arched combustion chamber and gasoline engine employing same |
| CN105971717A (en) * | 2015-03-12 | 2016-09-28 | 丰田自动车株式会社 | Internal combustion engine |
-
2011
- 2011-03-14 CN CN2011200664517U patent/CN202039939U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102305143A (en) * | 2011-03-14 | 2012-01-04 | 隆鑫通用动力股份有限公司 | Cylinder head for arched combustion chamber and gasoline engine employing same |
| CN105971717A (en) * | 2015-03-12 | 2016-09-28 | 丰田自动车株式会社 | Internal combustion engine |
| CN105971717B (en) * | 2015-03-12 | 2018-10-12 | 丰田自动车株式会社 | Internal combustion 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 end of curved surface combustion chamber for general gasoline engine and gasoline engine thereof Granted publication date: 20111116 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 | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111116 |