CN117552884B - Engine cylinder cover and engine - Google Patents
Engine cylinder cover and engine Download PDFInfo
- Publication number
- CN117552884B CN117552884B CN202410046566.1A CN202410046566A CN117552884B CN 117552884 B CN117552884 B CN 117552884B CN 202410046566 A CN202410046566 A CN 202410046566A CN 117552884 B CN117552884 B CN 117552884B
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- engine
- cylinder
- exhaust
- communicated
- cylinder cover
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000000110 cooling liquid Substances 0.000 description 3
- 238000007789 sealing Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
- F02F1/4235—Shape or arrangement of intake or exhaust channels in cylinder heads of intake channels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/36—Cylinder heads having cooling means for liquid cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
- F02F1/4264—Shape or arrangement of intake or exhaust channels in cylinder heads of exhaust channels
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an engine cylinder cover and an engine, wherein the engine cylinder cover comprises two exhaust channels and two air inlets which are communicated with the same cylinder, a plane extending along the direction from the air inlets to the exhaust channels through the axis of the cylinder is a longitudinal symmetrical plane of the cylinder, the two exhaust channels communicated with the same cylinder are symmetrically arranged about the longitudinal symmetrical plane, and a water jacket is arranged between the two exhaust channels communicated with the same cylinder. The engine cylinder cover is symmetrically arranged on the longitudinal symmetry plane of the two exhaust channels connected with the same cylinder, and the water jacket is arranged between the two exhaust channels connected with the same cylinder, so that heat transfer from the exhaust channels to the assembly holes between the two exhaust channels is reduced, bolt failure in the assembly holes is avoided, connection between the engine cylinder cover and an engine body is influenced, and meanwhile, the exhaust channels which are symmetrically arranged can enable the exhaust of the two exhaust channels to be uniform, thereby being beneficial to improving the exhaust performance and further improving the engine performance.
Description
Technical Field
The invention relates to the technical field of engines, in particular to an engine cylinder cover and an engine.
Background
The engine comprises engine body and engine cylinder cap, through bolted connection between engine body and the engine cylinder cap, at present, as shown in fig. 1, the position of the exhaust passage 2 of engine cylinder cap 1 is provided with and is used for the pilot hole 4 with bolt complex, in order to avoid the high temperature in the exhaust passage 2 to influence the intensity of bolt, cause the bolt inefficacy, thereby influence the steadiness that engine cylinder cap 1 and engine body are connected, the present design is with two exhaust passages 2 of same cylinder intercommunication bias pilot hole with one side and collect the intercommunication together, thereby form special-shaped exhaust passage 2, in order to avoid these two exhaust passages 2 parcel bolts, carry out heat transfer to the bolt simultaneously, but this kind of special-shaped exhaust passage can influence the exhaust homogeneity of two exhaust passages, and then influence engine performance.
Disclosure of Invention
In view of the above, a first object of the present invention is to provide an engine head capable of improving exhaust uniformity of two exhaust passages communicating with the same cylinder while avoiding high temperature of the exhaust passages from affecting bolts, thereby improving engine performance.
A second object of the present invention is to provide an engine of the above engine head.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the engine cylinder cover comprises two exhaust channels and two air inlet channels, wherein the two exhaust channels are communicated with the same cylinder, a plane extending along the direction from the air inlet channel to the exhaust channels through the axis of the cylinder is a longitudinal symmetrical plane of the cylinder, the two exhaust channels communicated with the same cylinder are symmetrically arranged about the longitudinal symmetrical plane, and a water jacket is arranged between the two exhaust channels communicated with the same cylinder.
Optionally, an assembly hole for fixing the engine cylinder cover to the engine body is further formed between two exhaust passages communicated with the same cylinder, and the water jacket is respectively arranged between the two exhaust passages communicated with the same cylinder and the assembly hole.
Alternatively, the two water jackets between the two exhaust passages communicating with the same cylinder are disposed symmetrically with respect to the longitudinal symmetry plane.
Optionally, a cylinder cover water jacket water outlet is formed in the bottom surface of the engine cylinder cover, and the cylinder cover water jacket water outlet is communicated with the water jacket.
Optionally, the projection of the water outlet of the cylinder cover water jacket on the bottom surface of the engine cylinder cover is at least partially positioned in the projection of one exhaust passage on the bottom surface of the engine cylinder cover.
Optionally, two adjacent exhaust passages communicating with different ones of the cylinders share a flange interface.
Alternatively, two adjacent exhaust passages communicating with different ones of the cylinders communicate with each other at an end remote from the intake passage.
Alternatively, two of the air inlets communicating with the same cylinder are symmetrically disposed about the longitudinal symmetry plane.
Alternatively, the distance between the two exhaust passages communicating with the same cylinder increases gradually from the end near the intake passage.
An engine comprises an engine body and an engine cylinder cover, wherein the engine cylinder cover is the engine cylinder cover according to the fourth aspect, and a water draining structure which is correspondingly communicated with a cylinder cover water jacket water outlet of the engine cylinder cover is arranged on the engine body.
It can be seen from the above technical solution that the embodiment of the present invention provides an engine cylinder head, which includes two exhaust ducts and two intake ducts that are communicated with a same cylinder, a plane extending along a direction from the intake duct to the exhaust duct through an axis of the cylinder is a longitudinal symmetry plane of the cylinder, the two exhaust ducts that are communicated with the same cylinder are symmetrically disposed about the longitudinal symmetry plane, an assembly hole for connecting the engine cylinder head to an engine body is located between the two exhaust ducts that are communicated with the same cylinder, and a water jacket is disposed between the two exhaust ducts that are communicated with the same cylinder.
According to the engine cylinder cover, the two existing exhaust ducts connected with the same cylinder are biased to one side of the assembly hole to form the special-shaped structure, the two exhaust ducts which are symmetrically arranged with respect to the longitudinal symmetry plane are replaced, namely, the two exhaust ducts connected with the same cylinder are not communicated any more, meanwhile, the water jacket is arranged between the two exhaust ducts connected with the same cylinder, so that heat transfer from the exhaust ducts to the assembly hole between the two exhaust ducts is reduced, failure of bolts in the assembly hole is avoided, connection between the engine cylinder cover and an engine body is influenced firmly, and exhaust of the two exhaust ducts can be uniform through the symmetrically arranged exhaust ducts, so that improvement of exhaust performance is facilitated, and further improvement of engine performance is achieved.
The invention also provides an engine, which comprises an engine body and the engine cylinder cover, wherein the engine cylinder cover is detachably connected with the engine body, and the engine has the same beneficial effects as the engine cylinder cover because the engine adopts the engine cylinder cover, and the description is omitted.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of a prior art engine head
FIG. 2 is a schematic cross-sectional view of an engine head in an embodiment of the invention;
FIG. 3 is a schematic diagram of a connection structure between an engine head and an exhaust manifold according to an embodiment of the present invention;
FIG. 4 is an exploded view of an engine in an embodiment of the invention;
FIG. 5 is a schematic longitudinal section of an engine in an embodiment of the invention;
FIG. 6 is a graph comparing flow coefficient curves of an engine head and an existing engine head in an embodiment of the present invention.
In the illustration, 1 is an engine cylinder cover; 2 is an exhaust passage; 201 is the first cylinder exhaust passage; 202 is a second cylinder exhaust passage; 203 is the third cylinder exhaust passage; 204 is a fifth cylinder exhaust passage; 206 is a sixth cylinder exhaust passage; 3 is an air inlet channel; 301 is a first cylinder inlet; 302 is a second cylinder inlet; reference numeral 303 denotes a third cylinder intake duct; 304 is the fifth cylinder inlet; 306 is a sixth cylinder inlet; 4 is an assembly hole; 5 is a water jacket; 6 is an exhaust manifold; 601 is a first flange; 602 is a second flange; 603 is a third flange; 604 is a fourth flange; 605 is a fifth flange; 606 is a sixth flange; 607 is a seventh flange; 7 is a cylinder cover water jacket water outlet; 8 is an engine body; and 9 is a drainage structure.
Detailed Description
The invention discloses an engine cylinder cover, which is structurally designed to improve exhaust uniformity of two exhaust passages communicated with the same cylinder while avoiding high temperature of the exhaust passages from affecting bolts, so as to improve engine performance.
The invention also discloses an engine comprising the engine cylinder cover.
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 2, fig. 2 is a schematic cross-sectional view of an engine head according to an embodiment of the invention.
The embodiment of the invention discloses an engine cylinder cover 1, which comprises two exhaust passages 2 communicated with the same cylinder and two air inlet passages 3, wherein a plane passing through the axis of the cylinder and extending along the direction from the air inlet passages 3 to the exhaust passages 2 is a longitudinal symmetrical plane of the cylinder, the two exhaust passages 2 communicated with the same cylinder are symmetrically arranged about the longitudinal symmetrical plane, an assembly hole 4 for connecting the engine cylinder cover 1 to an engine body 8 is positioned between the two exhaust passages 2 communicated with the same cylinder, and a water jacket 5 is arranged between the two exhaust passages 2 communicated with the same cylinder.
Compared with the prior art, the engine cylinder cover 1 provided by the embodiment of the invention has the advantages that the two exhaust ducts 2 connected with the same cylinder are deflected to one side of the assembly hole 4 to form a special-shaped structure, the two exhaust ducts 2 symmetrically arranged about the longitudinal symmetry plane are replaced, namely, the two exhaust ducts 2 connected with the same cylinder are not communicated any more, meanwhile, the water jacket 5 is arranged between the two exhaust ducts 2 connected with the same cylinder, so that the heat transfer from the exhaust ducts 2 to the assembly hole 4 between the two exhaust ducts is reduced, the failure of bolts in the assembly hole 4 is avoided, the connection between the engine cylinder cover 1 and the engine body 8 is influenced firmly, and the exhaust of the two exhaust ducts 2 can be uniform due to the symmetrically arranged exhaust ducts 2, thereby being beneficial to improving the exhaust performance and further improving the engine performance.
As shown in fig. 2, in the embodiment of the present invention, an assembly hole 4 for fixing the engine cylinder cover 1 to the engine body 8 is provided between two exhaust ducts 2 communicating with the same cylinder, and water jackets 5 are provided between the two exhaust ducts 2 communicating with the same cylinder and the assembly hole 4, that is, the assembly hole 4 and the exhaust ducts 2 on both sides are provided with the water jackets 5, respectively, so that heat transfer from each exhaust duct 2 to the assembly hole 4 can be reduced, and failure caused by too high temperature of bolts matched with the assembly hole 4 can be avoided.
Further optimizing the above technical scheme, in the embodiment of the invention, the two water jackets 5 between the two exhaust passages 2 communicated with the same cylinder are symmetrically arranged about the longitudinal symmetry plane, so that the bolts in the two exhaust passages 2 and the assembly holes 4 are ensured to be heated uniformly.
In order to solve the above problem, in the embodiment of the present invention, as shown in fig. 4 and 5, the bottom surface of the engine cylinder head 1 is provided with the cylinder head water jacket water outlet 7, and the cylinder head water jacket water outlet 7 is communicated with the water jacket 5, so that the cooling liquid in the water jacket 5 can be led into the engine body 8 by opening the water drain structure 9 at the corresponding position of the engine body 8, and the flange structure corresponding to the cylinder head water jacket water outlet 7 is avoided from being specially arranged in the engine cylinder head 1.
Preferably, in the embodiment of the present invention, the projection of the head water jacket water outlet 7 on the bottom surface of the engine head 1 is at least partially located in the projection of one exhaust passage 2 on the bottom surface of the engine head 1.
The technical scheme is further optimized, and two adjacent exhaust ducts 2 communicated with different cylinders share one flange interface, so that the number of the flange interfaces on the engine cylinder cover 1 is reduced, and the structure is simplified.
As shown in fig. 3, taking a six-cylinder engine as an example, the engine cylinder cover 1 is provided with a first cylinder exhaust passage 201 and a first cylinder intake passage 301 which are communicated with a first cylinder, a second cylinder exhaust passage 202 and a second cylinder intake passage 302 which are communicated with a second cylinder, a third cylinder exhaust passage 203 and a third cylinder intake passage 303 which are communicated with a third cylinder, a fourth cylinder exhaust passage 204 and a fourth cylinder intake passage 304 which are communicated with a fourth cylinder, a fifth cylinder exhaust passage 205 and a fifth cylinder intake passage 305 which are communicated with a fifth cylinder, a sixth cylinder exhaust passage 206 and a sixth cylinder intake passage 306 which are communicated with a sixth cylinder.
Of course, it should be noted that the engine cylinder cover provided by the embodiment of the present invention is not limited to a six-cylinder engine, and the engine cylinder cover provided by the embodiment of the present invention may also be applied to a three-cylinder engine, a four-cylinder engine, a five-cylinder engine, a seven-cylinder engine, etc., which is not limited herein.
Correspondingly, the exhaust manifold 6 is provided with a plurality of flange structures for connecting with the engine cylinder cover, wherein the flange structures are sequentially provided with a first flange 601, a second flange 602, a third flange 603, a fourth flange 604, a fifth flange 605, a sixth flange 606 and a seventh flange 607 from left to right (in the direction of fig. 3), wherein the outlet of one of the two first cylinder exhaust passages 201 on the left side is singly connected with the first flange 601, the outlet of one of the two first cylinder exhaust passages 201 on the right side is commonly connected with the second flange 602, the outlet of one of the two second cylinder exhaust passages 202 on the left side is commonly connected with the second flange 602, the outlet of one of the two second cylinder exhaust passages 202 on the right side is commonly connected with the third flange 603, the outlet of one of the two third cylinder 203 on the left side is commonly connected with the outlet of the fifth flange 206, and the outlet of the one of the two fourth exhaust passages 205 on the right side 205 in the two third cylinder 203 is commonly connected with the outlet of the one of the two fourth cylinder 205 on the right side 204, and the outlet of the one of the two fourth cylinder 205 on the right side is commonly connected with the outlet of the fifth flange 206 in the two second cylinder 206, and the outlet of the two second cylinder 206 is commonly connected with the outlet of the one of the two third cylinder 206 on the right side.
The temperature of the water jacket 5 at the joint of the exhaust manifold 6 and the engine cylinder cover 1 is affected by the temperature of the sealing element, so that the temperature is reduced, the stability and the tightness of the joint of the exhaust manifold 6 and the engine cylinder cover 1 are ensured, the occurrence of the failure condition of the bolts and the sealing element due to high temperature is avoided, the reliability of the engine is improved, and the failure rate of the engine is reduced.
To facilitate the arrangement of the flange structure described above, in one embodiment of the present invention, two adjacent exhaust passages 2 communicating with different cylinders communicate with each other at an end away from the intake passage 3, and it should be noted that, in other embodiments, two adjacent exhaust passages 2 communicating with different cylinders may not communicate with each other at an end away from the intake passage 3.
As shown in fig. 2, in the embodiment of the present invention, two air inlets 3 communicating with the same cylinder are symmetrically arranged about a longitudinal symmetry plane, and by symmetrically arranging two air inlets 3 communicating with the same cylinder and two air outlets 2 communicating with the same cylinder about a longitudinal symmetry plane, air intake and exhaust of the engine can be smoother, air intake and exhaust performance can be improved, and overall performance of the engine can be further improved.
As shown in fig. 2, in the embodiment of the present invention, the distance between two exhaust passages 2 communicating with the same cylinder is gradually increased from the end near the intake passage 3 to increase the distance to the fitting hole 4 as much as possible.
Further, the projection of the exhaust passage 2 on the bottom surface of the engine head 1 is curved or straight, as shown in fig. 2, and in the embodiment of the present invention, the projection of the exhaust passage 2 on the bottom surface of the engine head 1 is curved.
As shown in fig. 3, in the embodiment of the present invention, the projection of the exhaust passage 2 on the bottom surface of the engine cylinder head 1 is curved, and the outlet of the exhaust passage 2 is formed on the side surface of the engine cylinder head 1, so as to be convenient for docking with the exhaust manifold 6 and ensure smooth exhaust, the opening direction of the outlet of the exhaust passage 2 is perpendicular to the side surface of the engine cylinder head 1, and correspondingly, each branch pipe section of the exhaust manifold 6 also adopts different radians, so that each branch pipe section is in smooth transition connection with the corresponding exhaust passage 2, and smooth exhaust is ensured.
The embodiment of the invention also provides an engine, which comprises an engine body 8 and the engine cylinder cover 1 in the embodiment, as shown in fig. 4 and 5, a cylinder cover water jacket water outlet 7 is arranged on the bottom surface of the engine cylinder cover 1, a drainage structure 9 which is correspondingly communicated with the cylinder cover water jacket water outlet 7 of the engine cylinder cover 1 is arranged on the engine body 8, the cylinder cover water jacket water outlet 7 guides cooling liquid in the water jacket 5 in the engine cylinder cover 1 into the engine body 8 through the drainage structure 9 on the engine body 8 and then discharges the cooling liquid, and the engine is prevented from additionally arranging a water outlet on the engine cylinder cover 1.
As shown in fig. 6, with the engine using the engine head 1 of the above embodiment, as the valve opening of the exhaust valve increases, the flow coefficient of the engine head 1 is significantly increased relative to the flow coefficient of the existing engine head, and the exhaust performance of the engine head 1 is improved, thereby improving the performance of the engine.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The engine cylinder cover is characterized by comprising two exhaust channels and two air inlet channels, wherein the two exhaust channels are communicated with the same cylinder, a plane extending along the direction from the air inlet channel to the exhaust channels through the axis of the cylinder is a longitudinal symmetrical plane of the cylinder, the two exhaust channels communicated with the same cylinder are symmetrically arranged about the longitudinal symmetrical plane, and a water jacket is arranged between the two exhaust channels communicated with the same cylinder;
and an assembly hole for fixing the engine cylinder cover to the engine body is further formed between the two exhaust passages communicated with the same cylinder, and the water jacket is respectively arranged between the two exhaust passages communicated with the same cylinder and the assembly hole.
2. The engine head according to claim 1, characterized in that two of the water jackets between two of the exhaust passages communicating with the same cylinder are disposed symmetrically with respect to the longitudinal symmetry plane.
3. The engine head according to claim 1 or 2, characterized in that a head water jacket water outlet is provided in a bottom surface of the engine head, the head water jacket water outlet being in communication with the water jacket.
4. The engine head of claim 3 wherein the projection of the head water jacket water outlet on the bottom surface of the engine head is at least partially within the projection of one of the exhaust passages on the bottom surface of the engine head.
5. The engine head according to any one of claims 1, 2 and 4, wherein two adjacent exhaust passages communicating with different ones of said cylinders share a single flange interface.
6. The engine head of claim 5 wherein two adjacent ones of said exhaust passages in communication with different ones of said cylinders communicate with each other at an end remote from said intake passage.
7. The engine head according to any one of claims 1, 2, 4 and 6, characterized in that two of said intake ducts communicating with the same cylinder are symmetrically arranged with respect to said longitudinal plane of symmetry.
8. The engine head according to any one of claims 1, 2, 4 and 6, characterized in that the distance between two of said exhaust passages communicating with the same cylinder increases gradually from the end near said intake passage.
9. An engine comprising an engine body and an engine cylinder cover, wherein the engine cylinder cover is the engine cylinder cover according to claim 3, and a water draining structure which is correspondingly communicated with a cylinder cover water jacket water outlet of the engine cylinder cover is arranged on the engine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410046566.1A CN117552884B (en) | 2024-01-12 | 2024-01-12 | Engine cylinder cover and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410046566.1A CN117552884B (en) | 2024-01-12 | 2024-01-12 | Engine cylinder cover and engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117552884A CN117552884A (en) | 2024-02-13 |
| CN117552884B true CN117552884B (en) | 2024-04-16 |
Family
ID=89811524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410046566.1A Active CN117552884B (en) | 2024-01-12 | 2024-01-12 | Engine cylinder cover and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117552884B (en) |
Citations (13)
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| GB265893A (en) * | 1926-11-06 | 1927-02-17 | Eric Brown | Improvements in and relating to multi-cylinder two-stroke cycle internal combustion engines |
| JPH0586969A (en) * | 1991-09-20 | 1993-04-06 | Mazda Motor Corp | Cylinder head structure of engine |
| JPH07293323A (en) * | 1994-04-28 | 1995-11-07 | Toyota Motor Corp | Cooling structure for cylinder head |
| CN2871878Y (en) * | 2006-01-25 | 2007-02-21 | 柳州五菱汽车有限责任公司柳州机械厂 | Engine cylinder head with single swinging-arm mechanism for mini-car |
| JP2011169272A (en) * | 2010-02-19 | 2011-09-01 | Daihatsu Motor Co Ltd | Cylinder head structure in multi-cylinder internal combustion engine |
| JP2016008539A (en) * | 2014-06-24 | 2016-01-18 | ダイハツ工業株式会社 | Internal combustion engine |
| CN212272403U (en) * | 2020-01-10 | 2021-01-01 | 奇瑞汽车股份有限公司 | Engine cylinder cover |
| EP3847355A1 (en) * | 2018-09-06 | 2021-07-14 | MAN Truck & Bus SE | Cylinder head for an internal combustion engine and method for the production thereof |
| CN113404606A (en) * | 2021-08-19 | 2021-09-17 | 潍柴动力股份有限公司 | Cylinder cover and gas engine |
| CN215057782U (en) * | 2021-03-08 | 2021-12-07 | 河北华北柴油机有限责任公司 | Modular high-integration water-cooled diesel engine cylinder cover |
| CN218235286U (en) * | 2022-10-14 | 2023-01-06 | 潍柴动力股份有限公司 | Engine cylinder cover and engine |
| CN218235285U (en) * | 2022-10-14 | 2023-01-06 | 潍柴动力股份有限公司 | Exhaust passage and engine |
| CN116291935A (en) * | 2023-03-13 | 2023-06-23 | 浙江吉利控股集团有限公司 | Cylinder head system, engine and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107246293A (en) * | 2017-05-04 | 2017-10-13 | 夏周旋 | A kind of cartridge type air inlet and outlet device and engine cylinder head system |
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2024
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Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB265893A (en) * | 1926-11-06 | 1927-02-17 | Eric Brown | Improvements in and relating to multi-cylinder two-stroke cycle internal combustion engines |
| JPH0586969A (en) * | 1991-09-20 | 1993-04-06 | Mazda Motor Corp | Cylinder head structure of engine |
| JPH07293323A (en) * | 1994-04-28 | 1995-11-07 | Toyota Motor Corp | Cooling structure for cylinder head |
| CN2871878Y (en) * | 2006-01-25 | 2007-02-21 | 柳州五菱汽车有限责任公司柳州机械厂 | Engine cylinder head with single swinging-arm mechanism for mini-car |
| JP2011169272A (en) * | 2010-02-19 | 2011-09-01 | Daihatsu Motor Co Ltd | Cylinder head structure in multi-cylinder internal combustion engine |
| JP2016008539A (en) * | 2014-06-24 | 2016-01-18 | ダイハツ工業株式会社 | Internal combustion engine |
| EP3847355A1 (en) * | 2018-09-06 | 2021-07-14 | MAN Truck & Bus SE | Cylinder head for an internal combustion engine and method for the production thereof |
| CN212272403U (en) * | 2020-01-10 | 2021-01-01 | 奇瑞汽车股份有限公司 | Engine cylinder cover |
| CN215057782U (en) * | 2021-03-08 | 2021-12-07 | 河北华北柴油机有限责任公司 | Modular high-integration water-cooled diesel engine cylinder cover |
| CN113404606A (en) * | 2021-08-19 | 2021-09-17 | 潍柴动力股份有限公司 | Cylinder cover and gas engine |
| CN218235286U (en) * | 2022-10-14 | 2023-01-06 | 潍柴动力股份有限公司 | Engine cylinder cover and engine |
| CN218235285U (en) * | 2022-10-14 | 2023-01-06 | 潍柴动力股份有限公司 | Exhaust passage and engine |
| CN116291935A (en) * | 2023-03-13 | 2023-06-23 | 浙江吉利控股集团有限公司 | Cylinder head system, engine and vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117552884A (en) | 2024-02-13 |
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