CN108180086A - Camshaft the cover - Google Patents
Camshaft the cover Download PDFInfo
- Publication number
- CN108180086A CN108180086A CN201711441991.7A CN201711441991A CN108180086A CN 108180086 A CN108180086 A CN 108180086A CN 201711441991 A CN201711441991 A CN 201711441991A CN 108180086 A CN108180086 A CN 108180086A
- Authority
- CN
- China
- Prior art keywords
- oil
- oil return
- chamber
- blowby
- gas
- 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
- 230000001105 regulatory effect Effects 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 158
- 238000000926 separation method Methods 0.000 abstract description 10
- 239000010705 motor oil Substances 0.000 abstract description 4
- 239000010721 machine oil Substances 0.000 description 28
- 239000007788 liquid Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M13/0405—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil arranged in covering members apertures, e.g. caps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0488—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with oil trap in the return conduit to the crankcase
- F01M2013/0494—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with oil trap in the return conduit to the crankcase using check valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of camshaft the covers, include blowby gas inlet chamber, primary disengagement chamber, oil back chamber and the gas blowby outlet plenum divided by many baffles inside it successively, it is located in the oil back chamber above oil storage tank and is provided with cover board, there is main oil return opening, the edge for being located at gas blowby outlet cavity direction side of the main oil return opening has the oil return baffle upwardly extended on the cover board.The present invention opens up the main oil return opening being staggered with main oil return pipe on the cover board by setting cover board above the oil storage tank of oil back chamber, can overcome the problems, such as that gas blowby flow at high speed in oil back chamber takes away oil storage tank inner engine oil, have the advantages that good oil gas separation effect.
Description
Technical field
The invention belongs to technical field of automobile parts more particularly to a kind of camshaft the covers.
Background technology
Camshaft the cover is the important component in automobile power assembly, for canned motor cylinder cover and cavaera and convex
Wheel shaft, while also have the effect for reducing the noise generated when valve mechanism runs at high speed and Oil-gas Separation.
Camshaft the cover is interlayer mechanism, and inside has oil back chamber, has oil storage tank, oil storage tank bottom in the bottom of oil back chamber
Portion is connected with oil return pipe, and oil return valve is set in oil return pipe.Under normal conditions, oil return valve is due to the work of lower section crankcase pressure
With closing always, for the gas blowby in camshaft the cover after Oil-gas Separation is carried out, machine oil will first be collected at oil storage tank in this way
In, until after the machine oil in oil storage tank reaches a certain amount of so that the engine oil pressure above oil return valve is more than the song below oil return valve
Axle box internal pressure, oil return valve are just opened so that the machine oil in oil storage tank can be returned in crankcase.But in practical application
Find in the process, due to the machine oil in oil storage tank can be largely collected at before crankcase is flowed back to oil back chamber bottom formed it is certain
Liquid level, and quickly, the gas blowby quickly flowed can brush machine oil liquid level and take away liquid level machine oil gas blowby flow velocity in oil back chamber so that
The clean gas obtained after original separation is mixed with machine oil, and machine oil is taken out of camshaft the cover again again so that Oil-gas Separation is imitated
Fruit is unable to reach ideal state.
Invention content
The technical problems to be solved by the invention are to provide a kind of camshaft the cover of good oil gas separation effect, existing to overcome
Have insufficient existing for technology.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of camshaft the cover, inside be sequentially communicated the blowby gas inlet chamber divided by many baffles, primary disengagement chamber,
Oil back chamber and gas blowby outlet plenum, the bottom of the blowby gas inlet chamber have a blowby gas inlet, the blowby gas inlet chamber and it is described just
There is first baffle channels interleaved, the primary disengagement chamber bottom has primary oil return pipe between grade disengagement chamber；The oil back chamber
Bottom be equipped with oil storage tank, the bottom of oil storage tank has the main oil return pipe extended downwardly, oil return is provided in the main oil return pipe
Valve has second baffle channels interleaved, has on the gas blowby outlet plenum and alter between the oil back chamber and the gas blowby outlet plenum
Gas exports；It is characterized in that：It is located above the oil storage tank in the oil back chamber and is provided with cover board, has on the cover board and lead back
Hydraulic fluid port, the edge for being located at gas blowby outlet cavity direction side of the main oil return opening have the oil return baffle upwardly extended.
In a specific embodiment, the main oil return opening is biased in the close gas blowby outlet plenum one of the main oil return pipe
The rear position of side.
Using above-mentioned technical proposal, the machine oil after Oil-gas Separation can first drip on the cover board, then through main oil return opening stream
Gather in dropping down into oil storage tank, it, also can not band even if the gas blowby flow velocity in oil back chamber is fast since cover board is covered in the top of oil storage tank
The machine oil in oil storage tank is walked, and oil return baffle is additionally provided with by main oil return opening, is further ensured that positioned at main oil return opening
Machine oil also do not taken away by gas blowby.
In a specific embodiment, blowby gas inlet bottom of chamber portion be located at the blowby gas inlet rear have prolong vertically upwards
The first lower baffle plate stretched, the top of the primary disengagement chamber have the first overhead gage extended vertically downwards, are kept off on described first
Plate is located at the rear of first lower baffle plate and the top edge of first lower baffle plate is higher than positioned at first overhead gage
Lower edge is to form the first baffle channels interleaved.The channels interleaved of this structure, gas blowby meeting and first baffle when passing through
Baffle in channels interleaved is hit, so that the machine oil contained in gas blowby can be separated, drops onto blowby gas inlet chamber
With the bottom of primary disengagement chamber, crankcase is flowed back into.
In the specific embodiment of the present invention, having close to the position of main oil return opening for the cover board tilts down section.
On the one hand this, which tilts down section, can promote the machine oil dripped on the cover board to flow into oil storage tank, on the other hand, this tilts down section
The machine oil that further can also be oppressed and stop in oil storage tank is not carried over.It is described in the specific embodiment of the present invention
Tilt down that section extends close to the position of the oil return baffle and the oil return baffle lower end forms the main oil return opening.
There is the second overhead gage of vertical extension downwards, institute in the specific embodiment of the present invention, at the top of the oil back chamber
The second overhead gage is stated to be located at the oil return baffle rear and the oil back chamber is divided into close to the just fraction with oil return baffle
Main oil back chamber from chamber and the secondary oil back chamber close to the gas blowby outlet plenum, the pair oil back chamber bottom are also described with being connected to
The secondary oil return opening of the first of oil storage tank.
It is described pair oil back chamber and the gas blowby outlet plenum by extend vertically upwards from the gas blowby outlet plenum bottom second
Lower baffle plate is split and forms the second baffle channels interleaved, and the second channels interleaved position is additionally provided with pressure adjusting
Valve, the gas blowby outlet plenum bottom also have the second oil return opening for being connected to the secondary oil back chamber.
It is exactly the technical solution invented above, the present invention above the oil storage tank of oil back chamber by setting cover board, and covering
The main oil return opening being staggered with main oil return pipe is opened up on plate, gas blowby flow at high speed in oil back chamber can be overcome to take away machine in oil storage tank
The problem of oily, has the advantages that good oil gas separation effect.
Description of the drawings
Fig. 1 is the vertical view of the present invention；
Fig. 2 is sectional view along A-A in Fig. 1.
Specific embodiment
As depicted in figs. 1 and 2, a kind of camshaft the cover of the invention, inside include divided by many baffles successively
Blowby gas inlet chamber 100, primary disengagement chamber 200, oil back chamber 300 and gas blowby outlet plenum 400.
Wherein, the bottom of blowby gas inlet chamber 100 has blowby gas inlet 101, and 100 bottom of blowby gas inlet chamber is located at blowby gas inlet
101 rears are with the first lower baffle plate 102 for extending vertically upwards and between the top of blowby gas inlet chamber 100 with spacing.Just
The top of grade disengagement chamber 200 is with the first overhead gage 201 extended downwardly and between the bottom of primary disengagement chamber 200 between
Away from first overhead gage 201 is located at the rear of the first lower baffle plate 102, has spacing and the first lower baffle plate with first baffle 102
102 top edge is located at blowby gas inlet chamber 100 and primary disengagement chamber 200 higher than the lower edge of the first overhead gage 201 and then formation
Between first baffle channels interleaved 110.Primary 200 bottom of disengagement chamber has primary oil return pipe 202.
Channel between primary disengagement chamber 200 and oil back chamber 300 is equipped with fine seperator 310, fine seperator setting 310
Main body is arranged on oil back chamber 300, and entrance blocks the oral area of channel at this.
The bottom of oil back chamber 300 is equipped with oil storage tank 311, and the bottom of oil storage tank 311 has the main oil return pipe extended downwardly
312, oil return valve 313 is provided in main oil return pipe 312.It is located at 311 top of oil storage tank in oil back chamber 300 and is provided with cover board 314, it should
Cover board 314 covers entire oil storage tank 311.There is main oil return opening 315, the gas blowby that is located at of main oil return opening 315 exports on the cover board 314
Cavity direction one side edge has the oil return baffle 316 upwardly extended, and the height of the oil return baffle 316 substantially accounts for oil back chamber height 1/
6 to 1/4.In the present embodiment, after main oil return opening 315 is biased in the close side for altering mouthful outlet plenum 400 of main oil return pipe 312
It puts in orientation.Using this structure, the machine oil after Oil-gas Separation can be first dropped on cover board 314, then flowed through main oil return opening 315
Gather in dropping down into oil storage tank 311, since cover board 314 is covered in the top of oil storage tank 311, even if the gas blowby flow velocity in oil back chamber
Soon, the machine oil in oil storage tank 311 can not be also taken away, and oil return baffle 316 is additionally provided with by main oil return opening 315, further
The machine oil for ensuring to be located at oil return opening is not also taken away by gas blowby.
Having close to the position of main oil return opening 315 for cover board 314 tilts down section 317.On the one hand this tilts down section 317
The machine oil dripped on the cover board can be promoted to flow into oil storage tank, on the other hand, this tilts down section 317 and can also further oppress
And the machine oil stopped in oil storage tank 311 is not carried over.In the present embodiment, it tilts down section 317 and extends close to oil return gear
The position of plate 316 forms above-mentioned main oil return opening 315 with 316 lower end of oil return baffle.
In addition, 300 top of oil back chamber has the second overhead gage 319 extended vertically downwards, which is located at
There is spacing at 316 rear of oil return baffle with oil return baffle 316, and the second overhead gage 319 divides oil back chamber 300 with oil return baffle 316
Into the main oil back chamber 301 close to primary disengagement chamber 200 and the secondary oil back chamber 302 close to gas blowby outlet plenum 400, in the present embodiment
In, the lower edge of the second overhead gage 319 is slightly above the top edge of oil return baffle 316.
Secondary 301 bottom of oil back chamber also has the first secondary oil return for being connected to oil storage tank 311 close to the position of oil return baffle 316
Mouth 318.
Secondary oil back chamber 302 and gas blowby outlet plenum 400 are by the second lower block for extending vertically upwards from 400 bottom of gas blowby outlet plenum
Plate 401 is split, and there is spacing to form second baffle staggeredly logical between the second lower baffle plate 401 and the top of blowby gas inlet chamber 400
Road 410, the second channels interleaved position 410 are additionally provided with pressure-regulating valve 420, and 400 bottom of gas blowby outlet plenum is close to the second lower baffle plate
401 position also has the second secondary oil return opening 402 for being connected to secondary oil back chamber 302.Also there is gas blowby on gas blowby outlet plenum 400
Outlet 403.
Above is exactly the camshaft the cover of the present invention, and operation principle is as follows：
Oil return valve 313, which is in, under crankcase pressure effect below camshaft the cover, in main oil return pipe 312 closes shape
State, the interior gas blowby generated of crankcase enters camshaft the cover from blowby gas inlet 101, successively by blowby gas inlet chamber 100, first fraction
From chamber 200, oil back chamber 300 and gas blowby outlet plenum 400, during process, the oil in gas blowby can detach step by step with gas, make
It is pure gas to obtain the gas blowby finally discharged, and the machine oil separated then flows back to crankcase.
During gas blowby flows through, gas blowby can be hit with baffle in first baffle channels interleaved 110 first, isolate part
Machine oil, a part, which drops to the bottom of blowby gas inlet chamber 100 and passes through blowby gas inlet 101, flows back to crankcase, another part drippage
To primary 200 bottom of disengagement chamber crankcase is flowed back to through primary oil return pipe 202.Then, gas blowby is detached by fine seperator 310, essence
Separator 310 can separate most machine oil in gas blowby, drop on cover board 314 and flowed through main oil return opening 315
Enter and gather in oil storage tank 311, after the machine oil in oil storage tank 311 gathers a certain amount of, engine oil pressure is more than oil return in oil storage tank
During the Opening pressure of valve (pressure for giving oil return valve below oil return valve higher than gas in crankcase), oil return valve is opened, storage
Machine oil in oil groove 311 then flows into crankcase.In the present invention, since cover board 314 is covered in the top of oil storage tank 311, even if
Gas blowby flow velocity in oil back chamber is fast, can not also take away the machine oil in oil storage tank 311, and be additionally provided with by main oil return opening 315
Oil return baffle 316 is further ensured that and is not also taken away positioned at the machine oil at oil return opening by gas blowby.
Gas blowby during secondary oil back chamber 302 and gas blowby outlet plenum 400 is flowed through, gas blowby can further with the gear in the two
Plate is hit, and gas blowby further can be detached, and the machine oil separated then is returned by the way that the first secondary oil return opening 318 and second is secondary
Hydraulic fluid port 402 is flowed into oil storage tank 311.
Finally, the gas blowby after detaching machine oil is discharged from gas blowby outlet 403.
Pass through foregoing detailed description, it can be seen that camshaft the cover of the invention passes through above the oil storage tank of oil back chamber
Cover board is set, and opens up the main oil return opening being staggered with main oil return pipe on the cover board, gas blowby high velocity stream in oil back chamber can be overcome
Dynamic the problem of taking away oil storage tank inner engine oil, there is good oil gas separation effect.
But those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate this
Invention, and be not used as limitation of the invention, as long as in the spirit of the present invention, to embodiment described above
Variation, modification will be all fallen in the range of claims of the present invention.
Claims (9)
1. a kind of camshaft the cover, inside be sequentially communicated the blowby gas inlet chamber divided by many baffles, primary disengagement chamber, return
Oil pocket and gas blowby outlet plenum, the bottom of the blowby gas inlet chamber have blowby gas inlet, the blowby gas inlet chamber and the primary
There is first baffle channels interleaved, the primary disengagement chamber bottom has primary oil return pipe between disengagement chamber；The oil back chamber
Bottom is equipped with oil storage tank, and the bottom of oil storage tank has the main oil return pipe extended downwardly, oil return valve is provided in the main oil return pipe,
Between the oil back chamber and the gas blowby outlet plenum there is second baffle channels interleaved, go out on the gas blowby outlet plenum with gas blowby
Mouthful；It is characterized in that：It is located above the oil storage tank in the oil back chamber and is provided with cover board, there is main oil return on the cover board
Mouthful, the edge for being located at gas blowby outlet cavity direction side of the main oil return opening has the oil return baffle upwardly extended.
2. camshaft the cover according to claim 1, it is characterised in that：The main oil return opening is biased in the main oil return pipe
Close to the gas blowby outlet plenum side rear position.
3. camshaft the cover according to claim 1, it is characterised in that：Blowby gas inlet bottom of chamber portion is located at the gas blowby
Entrance rear has the first lower baffle plate for extending vertically upwards, and the top of the primary disengagement chamber has the extended vertically downwards
One overhead gage, first overhead gage are located at the top edge of the rear of the first lower baffle plate and first lower baffle plate higher than being located at
The lower edge of first overhead gage is to form the first baffle channels interleaved.
4. camshaft the cover according to claim 1, it is characterised in that：The position tool of the close main oil return opening of the cover board
Tilt down section.
5. camshaft the cover according to claim 4, it is characterised in that：The section that tilts down extends close to described return
The position of oil baffle forms the main oil return opening with the oil return baffle lower end.
6. camshaft the cover according to claim 1, it is characterised in that：There is vertical extension downwards at the top of the oil back chamber
Second overhead gage, second overhead gage, which is located at the oil return baffle rear and is divided into the oil back chamber with oil return baffle, to be leaned on
The main oil back chamber and the secondary oil back chamber close to the gas blowby outlet plenum of the nearly primary disengagement chamber, the pair oil back chamber bottom also has
There is the be connected to the oil storage tank first secondary oil return opening.
7. camshaft the cover according to claim 6, it is characterised in that：It is described pair oil back chamber and the gas blowby outlet plenum by
The second lower baffle plate extended vertically upwards from the gas blowby outlet plenum bottom, which is split and forms the second baffle, staggeredly to be led to
Road.
8. camshaft the cover according to claim 6, it is characterised in that：The second channels interleaved position is additionally provided with pressure
Regulating valve.
9. camshaft the cover according to claim 8, it is characterised in that：The gas blowby outlet plenum bottom, which also has, to be connected to
Second oil return opening of the pair oil back chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711441991.7A CN108180086B (en) | 2017-12-27 | 2017-12-27 | Camshaft cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711441991.7A CN108180086B (en) | 2017-12-27 | 2017-12-27 | Camshaft cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108180086A true CN108180086A (en) | 2018-06-19 |
| CN108180086B CN108180086B (en) | 2024-02-02 |
Family
ID=62547592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711441991.7A Active CN108180086B (en) | 2017-12-27 | 2017-12-27 | Camshaft cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108180086B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939479A (en) * | 2017-12-28 | 2018-04-20 | 美嘉帕拉斯特汽车零部件（上海）有限公司 | Gas and oil separating plant |
| CN112648043A (en) * | 2019-10-10 | 2021-04-13 | 上海汽车集团股份有限公司 | Automobile and engine and oil-gas separator thereof |
| CN114483364A (en) * | 2022-02-24 | 2022-05-13 | 安徽江淮汽车集团股份有限公司 | Engine cylinder cover shield |
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|---|---|---|---|---|
| JPH02147816U (en) * | 1989-05-18 | 1990-12-14 | ||
| JP2003120249A (en) * | 2001-10-11 | 2003-04-23 | Fuji Heavy Ind Ltd | Gas-liquid separating device for engine of vibrator |
| CN101363345A (en) * | 2008-09-17 | 2009-02-11 | 奇瑞汽车股份有限公司 | Labyrinth type oil-gas separating structure in cover of engine spiracular atrium |
| CN201756991U (en) * | 2010-07-28 | 2011-03-09 | 长城汽车股份有限公司 | Built-in oil and gas separating device of engine cylinder cap |
| CN103696826A (en) * | 2012-09-28 | 2014-04-02 | 重庆长安汽车股份有限公司 | Oil-gas separator for supercharged engine |
| CN204126756U (en) * | 2014-09-29 | 2015-01-28 | 安徽江淮汽车股份有限公司 | Motor cylinder protective shield and engine assembly |
| CN204827602U (en) * | 2015-08-05 | 2015-12-02 | 重庆长安汽车股份有限公司 | Car supercharged engine valve mechanism cover's oil -gas separation chamber |
| CN205025530U (en) * | 2015-08-12 | 2016-02-10 | 合肥恒信汽车发动机部件制造有限公司 | Oil -gas separator of supercharged engine |
| CN207701241U (en) * | 2017-12-27 | 2018-08-07 | 美嘉帕拉斯特汽车零部件（上海）有限公司 | A kind of camshaft the cover |
-
2017
- 2017-12-27 CN CN201711441991.7A patent/CN108180086B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02147816U (en) * | 1989-05-18 | 1990-12-14 | ||
| JP2003120249A (en) * | 2001-10-11 | 2003-04-23 | Fuji Heavy Ind Ltd | Gas-liquid separating device for engine of vibrator |
| CN101363345A (en) * | 2008-09-17 | 2009-02-11 | 奇瑞汽车股份有限公司 | Labyrinth type oil-gas separating structure in cover of engine spiracular atrium |
| CN201756991U (en) * | 2010-07-28 | 2011-03-09 | 长城汽车股份有限公司 | Built-in oil and gas separating device of engine cylinder cap |
| CN103696826A (en) * | 2012-09-28 | 2014-04-02 | 重庆长安汽车股份有限公司 | Oil-gas separator for supercharged engine |
| CN204126756U (en) * | 2014-09-29 | 2015-01-28 | 安徽江淮汽车股份有限公司 | Motor cylinder protective shield and engine assembly |
| CN204827602U (en) * | 2015-08-05 | 2015-12-02 | 重庆长安汽车股份有限公司 | Car supercharged engine valve mechanism cover's oil -gas separation chamber |
| CN205025530U (en) * | 2015-08-12 | 2016-02-10 | 合肥恒信汽车发动机部件制造有限公司 | Oil -gas separator of supercharged engine |
| CN207701241U (en) * | 2017-12-27 | 2018-08-07 | 美嘉帕拉斯特汽车零部件（上海）有限公司 | A kind of camshaft the cover |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939479A (en) * | 2017-12-28 | 2018-04-20 | 美嘉帕拉斯特汽车零部件（上海）有限公司 | Gas and oil separating plant |
| CN107939479B (en) * | 2017-12-28 | 2024-02-02 | 美嘉帕拉斯特汽车零部件（上海）有限公司 | Oil-gas separation device |
| CN112648043A (en) * | 2019-10-10 | 2021-04-13 | 上海汽车集团股份有限公司 | Automobile and engine and oil-gas separator thereof |
| CN114483364A (en) * | 2022-02-24 | 2022-05-13 | 安徽江淮汽车集团股份有限公司 | Engine cylinder cover shield |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108180086B (en) | 2024-02-02 |
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