CN107559100A - Crankcase and crankcase end cover - Google Patents
Crankcase and crankcase end cover Download PDFInfo
- Publication number
- CN107559100A CN107559100A CN201710758106.1A CN201710758106A CN107559100A CN 107559100 A CN107559100 A CN 107559100A CN 201710758106 A CN201710758106 A CN 201710758106A CN 107559100 A CN107559100 A CN 107559100A
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- CN
- China
- Prior art keywords
- oil
- crankcase
- cooling oil
- cooling
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001816 cooling Methods 0.000 claims abstract description 126
- 239000000446 fuel Substances 0.000 claims description 18
- 239000003921 oil Substances 0.000 abstract description 190
- 239000010687 lubricating oil Substances 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 11
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Abstract
The invention provides a kind of crankcase end cover, including end cap body, cylinder head supporting part and Curved shaft support portion, and the cylinder head oil circuit of connection cylinder head supporting part are offered on end cap body, with the crankshaft oilway for connecting Curved shaft support portion；Also include being arranged in end cap inner body wall, and connect the cooling oil path of cylinder head oil circuit and crankshaft oilway.Cooling oil path is set on the inwall of end cap body, lubricating oil is input to cooling oil path, contact through end cap body with external environment condition cools to cooling oil path, it is delivered to cylinder head oil circuit and crankshaft oilway again afterwards, so that lubricating oil is before cylinder head and bent axle is entered, lubricating oil in cooling oil path is cooled down by end cap body, reduces the temperature of lubricating oil in input cylinder head oil circuit and crankshaft oilway, improves the cooling effect of crankcase.Present invention also offers a kind of crankcase with above-mentioned crankcase end cover structure.
Description
Technical field
The present invention relates to field of power equipment technology, more specifically to a kind of crankcase and crankcase end cover.
Background technology
The crankcase of motorcycle, for supporting and installing other parts of whole engine, bearing part, bear to start
Various impulsive forces and driving moment caused by machine work.Crankcase divides two-stroke engine crankcase and four-stroke engine bent
Axle box, free-standing crankcase and with transmission combination formula crankcase, unsplit crankcase and split type crankcase, without speed changer
Crankcase and crankcase with speed changer etc..Various crankcases are used with the symmetrical split type crankcase of cylinder axis,
Left and right casing mode connects for screw, centre are equipped with sealing gasket.
Existing crankcase right end cap, cylinder head supporting part and Curved shaft support portion are set on right end cap, are limited to the crankcase right side
The structure limitation of end cap, only offers the cylinder head oil circuit of connection cylinder head thereon, and cylinder head oil circuit separates connection Curved shaft support portion simultaneously
Crankshaft oilway, cylinder head oil circuit and crankshaft oilway are only capable of cooling down cylinder head and Curved shaft support position, after working long hours, hold
The rise of bent axle the temperature inside the box is easily caused, the cooling effectiveness decline of cylinder head oil circuit and crankshaft oilway, causes crankcase thermic load to increase.
Therefore, the cooling effect of crankcase how is improved, is current those skilled in the art's urgent problem to be solved.
The content of the invention
In view of this, the invention provides a kind of crankcase end cover, to improve the cooling effect of crankcase；The present invention also carries
A kind of crankcase is supplied.
In order to achieve the above object, the present invention provides following technical scheme：
A kind of crankcase end cover, including end cap body, cylinder head supporting part and Curved shaft support are offered on the end cap body
Portion, and the cylinder head oil circuit of the connection cylinder head supporting part, with the crankshaft oilway for connecting the Curved shaft support portion；Also include setting
In in the end cap inner body wall, and connect the cooling oil path of the cylinder head oil circuit and the crankshaft oilway.
Preferably, in above-mentioned crankcase end cover, the cooling oil path includes being opened on the inwall of the end cap body
Cooling oil groove, and be covered on the cooling oil groove to the oil duct cover plate that is sealed of cooling oil groove.
Preferably, in above-mentioned crankcase end cover, the end cap body includes the first lid dress portion being covered on clutch,
With positioned at the second lid dress portion of the cylinder cap body lower end；The cooling oil path includes being respectively arranged in the first lid dress portion
The first cooling oil path, and the second cooling oil path being arranged in the second lid dress portion, first cooling oil path and described
Second cooling oil path is interconnected.
Preferably, in above-mentioned crankcase end cover, the oil duct cover plate includes being covered on first cooling oil path respectively
On the first oil duct cover plate, and the second oil duct cover plate being covered on second cooling oil path.
Preferably, in above-mentioned crankcase end cover, first cooling oil path includes connecting with second cooling oil path
Fuel feeding pass a bridge, and pass a bridge with the fuel feeding and to connect and the first annular oil circuit of circumferentially opposed stretching along the first lid dress portion
With the second annular oil circuit.
Preferably, in above-mentioned crankcase end cover, be provided with the end cap body it is a plurality of protrude from it is described second lid dress
The outer wall oil duct fin in portion, second cooling oil path include sinking to the oil duct radiating by the inwall in the second lid dress portion
The second cooling oil groove in piece.
Preferably, in above-mentioned crankcase end cover, the fuel feeding, which is passed a bridge, includes connecting second cooling oil path and described
The the first gap bridge oil inlet and the first gap bridge oil-out of first annular oil circuit, with connecting second cooling oil path and described second
The the second gap bridge oil inlet and the second gap bridge oil-out of annular oil circuit.
Preferably, in above-mentioned crankcase end cover, the first annular oil circuit and the second annular oil circuit are interconnected,
The fuel feeding, which is passed a bridge, to be included connecting the gap bridge oil inlet of the first annular oil circuit and second cooling oil path, described in connecting
The gap bridge oil-out of second annular oil circuit and second cooling oil path.
Preferably, in above-mentioned crankcase end cover, the oil duct fin is the oil duct that cross section is semi-circular shape structure
Heat radiating fin structure.
A kind of crankcase, including crankcase bodies and the crankcase end cover for being arranged at described crankcase bodies one end, it is described
Crankcase end cover is the as above crankcase end cover described in any one.
Crankcase end cover provided by the invention, including end cap body, cylinder head supporting part and bent axle are offered on end cap body
Supporting part, and the cylinder head oil circuit of connection cylinder head supporting part, with the crankshaft oilway for connecting Curved shaft support portion；Also include being arranged at end
In lid inner body wall, and connect the cooling oil path of cylinder head oil circuit and crankshaft oilway.Crankcase passes through the cylinder that is opened up on end cap body
Hair oil road and crankshaft oilway, there is provided the lubricating oil that cylinder head and bent axle are cooled down and lubricated, meanwhile, in the inwall of end cap body
Upper setting cooling oil path, after lubricating oil is input to cooling oil path, the surface of end cap body and the contact of external environment condition so that in it
Lubricating oil is cooled down in cooling oil path, continues on to cylinder head oil circuit and crankshaft oilway, so that lubricating oil is into cylinder
Before head and bent axle, by flowing through the cooling oil path of end cap body body, the lubricating oil in cooling oil path is carried out cold
But, lubricating oil after cooling cools to cylinder head oil circuit and crankshaft oilway, improves the cooling effect of the two, so as to effectively drop
Low bent axle the temperature inside the box, improve the cooling effect of crankcase.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the front view of crankcase end cover provided by the invention；
Fig. 2 is Fig. 1 rear structure schematic diagram.
Embodiment
The invention discloses a kind of crankcase end cover, the cooling effect of crankcase is improved；Present invention also offers one kind
Crankcase.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Whole description, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiments of the invention, the every other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, belongs to the scope of protection of the invention.
As depicted in figs. 1 and 2, Fig. 1 is the front view of crankcase end cover provided by the invention；Fig. 2 is Fig. 1 rear structure
Schematic diagram.
The invention provides a kind of crankcase end cover, including end cap body 1, cylinder head supporting part 2 is offered on end cap body 1
With Curved shaft support portion 3, and the cylinder head oil circuit of connection cylinder head supporting part 2, with the crankshaft oilway for connecting Curved shaft support portion 3；Also wrap
Include and be arranged on the inwall of end cap body 2, and connect the cooling oil path 4 of cylinder head oil circuit and crankshaft oilway.Crankcase passes through end cap sheet
The cylinder head oil circuit and crankshaft oilway opened up on body 1, there is provided the lubricating oil that cylinder head and bent axle are cooled down and lubricated, meanwhile,
Cooling oil path 4 is set on the inwall of end cap body 1, after lubricating oil is input to cooling oil path 4, due to end cap body 1 and external rings
Border is contacted, and external environment condition is brushed end cap body 1 so that lubricating oil after cooling, continues on in its interior cooling oil path 4
Cylinder head oil circuit and crankshaft oilway, so that lubricating oil is before cylinder head and bent axle is entered, first by end cap body 1 to cooling oil
Lubricating oil in road 4 is cooled down, and lubricating oil after cooling cools to cylinder head oil circuit and crankshaft oilway, improves the two
Cooling effect, so as to effectively reduce bent axle the temperature inside the box, improve the cooling effect of crankcase.
In the specific embodiment of this case one, cooling oil path 4 includes the cooling oil groove 5 being opened on the inwall of end cap body 1,
Be covered on cooling oil groove 5 to the oil duct cover plate that is sealed of cooling oil groove 5.Crankcase end cover is plate construction, will be cooled down
Oil circuit 4 is arranged to cool down oil groove 5, i.e., opens up in the inwall of end cap body 1 and protrude from the rib of its inwall, cooling is surrounded by rib
Oil groove 5, the affixed oil duct cover plate on cooling oil groove 5, cooling oil groove 5 is sealed by oil duct cover plate so that lubricating oil is cold
But circulated in the guiding of oil groove 5, realize the cooling to crankcase end cover surface.
Simultaneously as in the inner wall increasing oiling road cover plate of end cap body 1, oil duct cover plate is driven to clutch in crankcase etc.
The deadening that structure plays, so as to oil duct cover plate and cooling oil groove 5, play a part of reducing noise, improve
The soundproof effect of motorcycle, there is provided driver comfort.
In the specific embodiment of this case one, end cap body 1 includes the first lid dress portion 101 being covered on clutch, and position
In the second lid dress portion 102 of the lower end of cylinder cap body 1；Cooling oil path 4 includes being respectively arranged in the first lid dress portion 101 first cold
But oil circuit 41, and the second cooling oil path 42 being arranged in the second lid dress portion 102, the first cooling oil path 41 and the second cooling oil path
42 are interconnected.Second lid dress portion 102 is located at the lower section of cylinder head, is plane tabular structure, and the first lid dress portion 101 lid is loaded on clutch
The end of device, it is circular arc end cover structure.The internal structure of end cap body 1 is adapted to, cooling oil path 4 is divided for the first cooling oil path
41 and second two parts on cooling oil path 42, the first cooling oil path 42 and the second cooling oil path 42 be interconnected, end cap body 1
When conveying lubricating oil, after being inputted by oil inlet, the first cooling oil path and the second cooling oil path are sequentially passed through, finally enters cylinder
Hair oil road and crankshaft oilway.
In the specific embodiment of this case one, oil duct cover plate includes the first oil duct lid being covered on respectively on the first cooling oil path
Plate, and the second oil duct cover plate being covered on the second cooling oil path.First cooling oil path and the second cooling oil path include cooling
Oil groove and oil duct covering plate structure, oil duct cover plate adapts to the position of the first cooling oil path and the second cooling oil path 42 and arrangement is tied
Structure, Split type structure is arranged to, is arranged at by the first oil duct cover plate on the first cooling oil path 41, the second oil duct cover plate lid is located at second
On cooling oil path 42, split design is individually fixed, improves the sealing of the first cooling oil path 41 and the second cooling oil path 42.
In the specific embodiment of this case one, the fuel feeding that the first cooling oil path 41 includes connecting with the second cooling oil path 42 is passed a bridge
413, and pass a bridge and 413 connect and the first annular oil circuit 411 and second of circumferentially opposed stretching along the first lid dress portion 101 with fuel feeding
Annular oil circuit 412.First cooling oil path 41 and the Split type structure of the second cooling oil path 42, therebetween by the inwall of crankcase end cover
Plane to arc surface transition, set the fuel feeding individually arranged to pass a bridge 413 in the link position of the two, by fuel feeding pass a bridge 413 across
It is connected between two end faces.Fuel feeding gap bridge 413 could be arranged to the gusset of both ends of the surface contact position, and oil was opened up in the middle part of gusset
Hole.First lid dress portion 101 end of the lid loaded on clutch configuration, the middle part of its arc structure is protected the end of clutch
And support, avoid take arc structure central space, by the first cooling oil path 41 by fuel feeding pass a bridge 413 position branches, along circle
The circumferential stretching in the first lid dress portion 101 of arc structure, in semi-annular shape structure, two parts of stretching are respectively first annular oil circuit
411 and the second annular oil circuit 412, by fuel feeding pass a bridge 413 inputs lubricating oil through first annular 411 and second annular oil circuit of oil circuit
After the loop circulation cooling of 412 compositions, the second cooling oil path 42 is flow back into, is ultimately delivered to cylinder head oil circuit and crankshaft oilway.
In the specific embodiment of this case one, a plurality of outer wall oil duct for protruding from the second lid dress portion is provided with end cap body 1
Fin 103, the second cooling oil path 42 include being sunk in oil duct fin 103 by the inwall in the second lid dress portion 102 second cold
But oil groove.Further, to improve the cooling effect of end cap, due to inner wall surface circulation of the lubricating oil through end cap body 1, holding
Oil duct fin 103 is opened up on the outer wall of lid body 1, while air-cooled, raising radiating effect is carried out to end cap body 1.Oil duct dissipates
Backing 103 protrudes from the outer wall of end cap body 1, and the inside of oil duct fin 103 set into deep gouge, and the of the second cooling oil path 42
The position of two cooling oil grooves, is overlapped, i.e. it is recessed that oil duct fin 103 is arranged into thin-walled with the deep gouge of oil duct fin 103
Slot structure, by being circulated inside it to lubricating oil, by its outside progress wind-cooling heat dissipating.
Preferably, oil duct fin 103 is the oil duct heat radiating fin structure that cross section is semi-circular shape structure.Semi-circular shape knot
The outer face of structure oil duct fin protrudes from the outer wall of end cap body, and inner face is as the second cooling oil groove.
In the specific embodiment of this case one, fuel feeding passes a bridge 413 including connecting the second cooling oil path 42 and first annular oil circuit
411 the first gap bridge oil inlet and the first gap bridge oil-out, with connecting the second cooling oil path 42 and the second annular oil circuit 412
Two gap bridge oil inlets and the second gap bridge oil-out.The connection of first cooling oil path 41 and the second cooling oil path 42, by the second cooling
Oil circuit 42 divides to be connected for two parts, a part with oil inlet, and lubricating oil is sent to first annular through the second cooling oil path after being passed through
Oil circuit 411, first annular oil circuit 411 itself are loop, the second cooling oil path 42 simultaneously to the first annular fuel feeding of oil circuit 411, and
Receive the lubricating oil flowed back to；The lubricating oil flowed back to through first annular oil circuit 411 is sent to the second loop checking installation 412, the second annular
Oil circuit 412 is loop, and lubricating oil is flowed into the second cooling oil path 42 through the second loop checking installation 412, is ultimately delivered to cylinder head.Second
Cooling oil path 42 is including three sections, the first paragraph respectively connected with the first gap bridge oil inlet, while connects the first gap bridge oil-out
With the second segment of the second gap bridge oil inlet, and the 3rd section of the second gap bridge oil-out of connection.Three-stage structure so that the second cooling
Oil circuit fully covers the second lid dress portion, ensures oil circuit without circulation dead angle.
In the specific embodiment of this case one, first annular 411 and second annular oil circuit 412 of oil circuit is interconnected, fuel feeding mistake
Bridge 413 includes the gap bridge oil inlet for connecting the first annular cooling oil path 42 of oil circuit 411 and second, and connects the second annular oil circuit
412 and second cooling oil path 42 gap bridge oil-out.First annular oil circuit 411 can connect simultaneously with the second annular oil circuit 412, the
Two cooling oil paths 42 are fed through first annular oil circuit by gap bridge oil inlet, and lubricating oil circulation is through first annular oil circuit and the second annular
After oil circuit, then through gap bridge oil-out flow back into the second cooling oil path.
Based on the crankcase end cover provided in above-described embodiment, present invention also offers a kind of crankcase, including crankcase
Body and the crankcase end cover for being arranged at crankcase bodies one end, the crankcase end cover that the crankcase bodies are provided with is above-mentioned reality
The crankcase end cover provided in example is provided.
Because the crankcase employs the crankcase end cover of above-described embodiment, so the crankcase is brought by crankcase end cover
Beneficial effect refer to above-described embodiment.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (10)
- A kind of 1. crankcase end cover, it is characterised in that including end cap body, offered on the end cap body cylinder head supporting part and Curved shaft support portion, and the cylinder head oil circuit of the connection cylinder head supporting part, with the crankshaft oilway for connecting the Curved shaft support portion；Also Including being arranged in the end cap inner body wall, and connect the cooling oil path of the cylinder head oil circuit and the crankshaft oilway.
- 2. crankcase end cover according to claim 1, it is characterised in that the cooling oil path includes being opened in the end cap Cooling oil groove on the inwall of body, and it is covered on the oil duct lid sealed on the cooling oil groove to the cooling oil groove Plate.
- 3. crankcase end cover according to claim 2, it is characterised in that the end cap body includes being covered on clutch The first lid dress portion, and positioned at the second lid dress portion of the cylinder cap body lower end；The cooling oil path includes being respectively arranged at institute The first cooling oil path in the first lid dress portion is stated, and the second cooling oil path being arranged in the second lid dress portion, described first Cooling oil path and second cooling oil path are interconnected.
- 4. crankcase end cover according to claim 3, it is characterised in that the oil duct cover plate is described including being covered on respectively The first oil duct cover plate on first cooling oil path, and the second oil duct cover plate being covered on second cooling oil path.
- 5. crankcase end cover according to claim 4, it is characterised in that first cooling oil path includes and described second The fuel feeding of cooling oil path connection is passed a bridge, and is passed a bridge with the fuel feeding and to be connected and along the circumferentially opposed stretching in the first lid dress portion First annular oil circuit and the second annular oil circuit.
- 6. crankcase end cover according to claim 5, it is characterised in that be provided with a plurality of protrude from the end cap body The outer wall oil duct fin in the second lid dress portion, second cooling oil path include being sunk to by the inwall in the second lid dress portion The second cooling oil groove in the oil duct fin.
- 7. crankcase end cover according to claim 6, it is characterised in that it is cold that the fuel feeding gap bridge includes connection described second But the first gap bridge oil inlet and the first gap bridge oil-out of oil circuit and the first annular oil circuit, with connecting second cooling oil Road and the second gap bridge oil inlet and the second gap bridge oil-out of the second annular oil circuit.
- 8. crankcase end cover according to claim 6, it is characterised in that the first annular oil circuit and second annular Oil circuit is interconnected, and the fuel feeding, which is passed a bridge, to be included connecting the gap bridge oil-feed of the first annular oil circuit and second cooling oil path Mouthful, and the gap bridge oil-out of the connection second annular oil circuit and second cooling oil path.
- 9. crankcase end cover according to claim 6, it is characterised in that the oil duct fin is that cross section is semicircular ring The oil duct heat radiating fin structure of shape structure.
- 10. a kind of crankcase, including crankcase bodies and the crankcase end cover for being arranged at described crankcase bodies one end, its feature It is, the crankcase end cover is the crankcase end cover as described in any one in claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710758106.1A CN107559100B (en) | 2017-08-29 | 2017-08-29 | Crankcase and crankcase end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710758106.1A CN107559100B (en) | 2017-08-29 | 2017-08-29 | Crankcase and crankcase end cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107559100A true CN107559100A (en) | 2018-01-09 |
| CN107559100B CN107559100B (en) | 2024-01-16 |
Family
ID=60977447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710758106.1A Active CN107559100B (en) | 2017-08-29 | 2017-08-29 | Crankcase and crankcase end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107559100B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11223115A (en) * | 1998-02-04 | 1999-08-17 | Suzuki Motor Corp | Engine oil passage structure for motorcycle |
| US20030000495A1 (en) * | 2000-07-08 | 2003-01-02 | Michael Groddeck | Cover plate for a crankcase |
| US20050011482A1 (en) * | 2003-06-06 | 2005-01-20 | Mtu Freidrichshafen Gmbh | Cover plate for a crank case |
| CN2685585Y (en) * | 2004-04-02 | 2005-03-16 | 江苏常工动力机械有限公司 | Cooling rear cover for single-cylinder diesel oil engine |
| TWM318065U (en) * | 2007-03-13 | 2007-09-01 | Da-Yi Chiou | Cooling device for crankshaft housing cap |
| CN204126757U (en) * | 2014-10-09 | 2015-01-28 | 重庆隆鑫发动机有限公司 | Engine crankshaft box assembly and crankcase cover thereof |
| US20170107940A1 (en) * | 2015-10-16 | 2017-04-20 | Honda Motor Co., Ltd. | Cover member of internal combustion engine |
| CN207297189U (en) * | 2017-08-29 | 2018-05-01 | 力帆实业(集团)股份有限公司 | Crankcase and crankcase end cover |
-
2017
- 2017-08-29 CN CN201710758106.1A patent/CN107559100B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11223115A (en) * | 1998-02-04 | 1999-08-17 | Suzuki Motor Corp | Engine oil passage structure for motorcycle |
| US20030000495A1 (en) * | 2000-07-08 | 2003-01-02 | Michael Groddeck | Cover plate for a crankcase |
| US20050011482A1 (en) * | 2003-06-06 | 2005-01-20 | Mtu Freidrichshafen Gmbh | Cover plate for a crank case |
| CN2685585Y (en) * | 2004-04-02 | 2005-03-16 | 江苏常工动力机械有限公司 | Cooling rear cover for single-cylinder diesel oil engine |
| TWM318065U (en) * | 2007-03-13 | 2007-09-01 | Da-Yi Chiou | Cooling device for crankshaft housing cap |
| CN204126757U (en) * | 2014-10-09 | 2015-01-28 | 重庆隆鑫发动机有限公司 | Engine crankshaft box assembly and crankcase cover thereof |
| US20170107940A1 (en) * | 2015-10-16 | 2017-04-20 | Honda Motor Co., Ltd. | Cover member of internal combustion engine |
| CN106907266A (en) * | 2015-10-16 | 2017-06-30 | 本田技研工业株式会社 | The cover of internal combustion engine |
| CN207297189U (en) * | 2017-08-29 | 2018-05-01 | 力帆实业(集团)股份有限公司 | Crankcase and crankcase end cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107559100B (en) | 2024-01-16 |
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