CN112648043A - Automobile and engine and oil-gas separator thereof - Google Patents
Automobile and engine and oil-gas separator thereof Download PDFInfo
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- CN112648043A CN112648043A CN201910959030.8A CN201910959030A CN112648043A CN 112648043 A CN112648043 A CN 112648043A CN 201910959030 A CN201910959030 A CN 201910959030A CN 112648043 A CN112648043 A CN 112648043A
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- China
- Prior art keywords
- oil
- storage tank
- gas
- oil storage
- separation module
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- 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
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an oil-gas separator which comprises a fine separation module and an oil storage tank, wherein the position of the fine separation module is higher than that of the oil storage tank along the gas flowing direction, the fine separation module is vertically arranged with the oil storage tank, the gas inlet end of the fine separation module faces the oil storage tank, and the gas outlet end of the fine separation module is far away from the oil storage tank. Because the gas flow direction is opposite to the oil dripping direction, and the roughly separated oil gas flows upwards from the bottom end, the oil liquid falls into the oil storage tank downwards from the inlet end of the finely separated oil gas, namely the oil storage tank is arranged in front of the finely separated module instead of the gas outlet end of the finely separated module, so that the upper and lower pressure difference of the one-way valve only comes from the pressure resistance of the roughly separated oil gas, and the roughly separated pressure resistance is far smaller than that of the finely separated oil gas, thereby ensuring smooth oil return under the condition of smaller oil storage. In addition, the invention also discloses an engine with the oil-gas separator and an automobile with the engine.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an automobile, and more particularly relates to an engine and an oil-gas separator.
Background
The oil-gas separator is a main component in a crankcase ventilation system, and is used for efficiently separating engine oil in crankcase blow-by gas, and the separation performance of the oil-gas separator has important influence on the reliability and emission of an engine.
At present, the requirement on the oil-gas separation efficiency of an engine is higher and higher, the efficiency of an oil-gas separator fine separation module is also higher, and the fine separation pressure resistance is very large. The oil return pipe after the fine separation mostly adopts a one-way valve structure, oil return is realized through the pressure difference between the upper part and the lower part of the oil return pipe, meanwhile, due to the problem of space arrangement, the oil return pipe cannot be too long, so that the oil return is not smooth inevitably due to overlarge pressure resistance of the fine separation, and the failure of the oil-gas separator is caused.
Therefore, a technical problem to be solved by those skilled in the art is how to provide an oil-gas separator to ensure smooth oil return of stored oil.
Disclosure of Invention
In view of this, the present invention provides an oil-gas separator to ensure smooth oil return of stored oil. The invention also aims to provide an engine with the oil-gas separator and an automobile with the engine.
In order to achieve the purpose, the invention provides the following technical scheme:
an oil-gas separator comprises a fine separation module and an oil storage tank,
along the gas flow direction the position of smart separation module is higher than the position of oil storage tank, smart separation module with the oil storage tank is arranged perpendicularly, the inlet end orientation of smart separation module the oil storage tank, the end of giving vent to anger of smart separation module is kept away from the oil storage tank.
Preferably, in the oil-gas separator, the fine separation module is of a non-woven fabric structure.
Preferably, in the oil-gas separator, an oil return hole is circumferentially arranged at the edge of the fine separation module;
the oil storage tank cover plate with the confluence hole is arranged between the fine separation module and the oil storage tank, the oil return hole is opposite to the oil storage tank cover plate, and the confluence hole is opposite to the oil storage tank.
Preferably, in the above oil-gas separator, the oil reservoir cover plate is an arc-shaped plate for converging the oil on the oil reservoir cover plate to the confluence hole.
Preferably, in the oil-gas separator, a wedge-shaped guide plate inclined towards the oil storage tank is installed at the edge of the confluence hole, and an oil baffle plate is arranged on one side of the confluence hole away from the pre-separation oil-gas incoming direction.
An engine comprising an oil and gas separator, wherein the oil and gas separator is any one of the oil and gas separators described above.
An automobile comprises an engine, wherein the engine is the engine.
According to the oil-gas separator disclosed by the invention, the fine separation module and the oil storage tank are vertically arranged, so that the coarsely separated oil gas passes through the fine separation module from the lower part of the fine separation module, the occupied space of the whole device is reduced, the compact structure is ensured, and the oil liquid of the fine separation module is convenient to recover. Specifically, in the gas flowing process, the roughly separated oil gas after rough separation enters the fine separation module through the lower end of the fine separation module, after separation, large oil drops fall into the oil storage tank under the action of gravity, and after the opening pressure of the one-way valve is reached, liquid oil flows back to the camshaft chamber to realize oil return. Because the gas flow direction is opposite to the oil dripping direction, and the roughly separated oil gas flows upwards from the bottom end, the oil liquid falls into the oil storage tank downwards from the inlet end of the finely separated oil gas, namely the oil storage tank is arranged in front of the finely separated module instead of the gas outlet end of the finely separated module, so that the upper and lower pressure difference of the one-way valve only comes from the pressure resistance of the roughly separated valve, and the roughly separated pressure resistance is far smaller than that of the finely separated module, thereby ensuring smooth oil return under the condition of smaller oil storage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art are briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an oil-gas separator disclosed in an embodiment of the invention;
FIG. 2 is a sectional view of an oil separator disclosed in an embodiment of the present invention;
fig. 3 is a partial plan view of the reservoir cover disclosed in the embodiment of the present invention.
Detailed Description
In view of this, the core of the present invention is to provide an oil-gas separator to ensure smooth oil return of stored oil. The invention also provides an engine with the oil-gas separator and an automobile with the engine.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, the invention discloses an oil-gas separator, which comprises a fine separation module 1 and an oil storage tank, specifically, the position of the fine separation module 1 is higher than that of the oil storage tank along the gas flowing direction, the fine separation module 1 is arranged perpendicular to the oil storage tank, the gas inlet end of the fine separation module 1, which is connected with the coarse separation module, faces the oil storage tank, and the gas outlet end of the fine separation module 1 is far away from the oil storage tank.
After the fine separation module 1 and the oil storage tank are vertically arranged, the coarse separation oil gas passes through the fine separation module 1 from the lower part of the fine separation module 1, so that the occupied space of the whole device is reduced, the structure is compact, and the oil liquid of the fine separation module 1 is convenient to recover. Specifically, in the gas flowing process, the roughly separated oil gas after the rough separation enters the fine separation module 1 through the lower end of the fine separation module 1. After separation, large oil drops fall into the oil storage tank under the action of gravity, and after the opening pressure of the one-way valve 4 is reached, liquid oil flows back to the camshaft chamber to realize oil return. Because the gas flow direction is opposite to the oil dripping direction, and the roughly separated oil gas flows upwards from the bottom end, the oil gas falls into the oil storage tank downwards from the inlet end of the finely separated oil gas, which is equivalent to that the oil storage tank is arranged in front of the finely separated module 1, namely the oil storage tank is arranged at one end connected with the finely separated module and the roughly separated module, but not at the gas outlet end of the finely separated module 1, so that the upper and lower pressure difference of the check valve 4 only comes from the pressure resistance of the roughly separated oil gas, and the pressure resistance of the roughly separated oil gas is far smaller than that of the finely separated module 1, thereby ensuring smooth oil return under the condition of smaller oil storage.
The fine separation module 1 in this application is a non-woven fabric structure. Adopt the non-woven fabrics to realize smart separation, simple structure, with low costs, and the separation effect is good. In practice, the specific structure of the fine separation module 1 can be selected according to other requirements and is within the protection range.
In a specific embodiment, an oil return hole 2 is circumferentially arranged at an edge of the fine separation module 1, an oil storage tank cover plate 3 with a confluence hole 5 is arranged between the fine separation module 1 and the oil storage tank, the oil return hole 2 is opposite to the oil storage tank cover plate 3, and the confluence hole 5 is opposite to the oil storage tank. Oil liquid obtained by filtering in the crude separation oil gas of the fine separation module 1 is collected to the oil return hole 2, and is dripped to the oil storage tank cover plate 3 through the oil return hole 2, and is converged to the confluence hole 5 on the oil storage tank cover plate 3, and is finally dripped into the oil storage tank. A collecting mode for converging and dripping oil liquid into an oil storage tank is disclosed. In practice, the device can be set according to different requirements and is in a protection range. The oil return holes 2 may be arc-shaped holes uniformly arranged along the circumferential direction of the fine separation module 1.
In addition, the oil storage tank cover plate 3 in the application is an arc-shaped plate for converging oil on the oil storage tank cover plate 3 to the converging hole 5, and the oil can be guided to flow by the arrangement; in addition, the influence of the separated oil on the fine separation module 1 caused by bringing the oil on the oil storage tank cover plate 3 into the fine separation module 1 again in the coarse separation oil-gas flowing process can be avoided, and the service life of the fine separation module 1 is ensured. In the course of crude separation oil-gas flow, the oil liquid on the side of cover plate 3 close to crude separation oil-gas can be blown to confluence hole 5.
In a preferred embodiment, a wedge-shaped guide plate inclined towards the oil storage tank is installed at the edge of the confluence hole 5, and an oil baffle plate 6 is arranged at one side of the confluence hole 5 away from the roughly separated oil gas, so as to prevent the oil gas from being blown away in the flowing process of the roughly separated oil gas and not entering the confluence hole 5.
In addition, the application also discloses an engine, which comprises an oil-gas separator, wherein the oil-gas separator is disclosed in the embodiment, so that the engine with the oil-gas separator also has all the technical effects, and the details are not repeated herein.
In addition, the application also discloses an automobile which comprises an engine, wherein the engine is the engine disclosed in the embodiment, so that the automobile with the engine also has all the technical effects, and the details are not repeated.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred 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 (7)
1. An oil-gas separator comprises a fine separation module (1) and an oil storage tank, and is characterized in that,
along the gas flow direction the position of smart separation module (1) is higher than the position of oil storage tank, smart separation module (1) with the oil storage tank is arranged perpendicularly, the inlet end orientation that smart separation module (1) links to each other with thick separation module the oil storage tank, the end of giving vent to anger of smart separation module (1) is kept away from the oil storage tank.
2. Oil separator according to claim 1, characterized in that the fine separation module (1) is of non-woven fabric construction.
3. Oil separator according to claim 1, characterized in that the edge of the fine separation module (1) is circumferentially arranged with oil return holes (2);
the oil storage tank cover plate is characterized in that the fine separation module (1) and an oil storage tank cover plate (3) with a confluence hole (5) are arranged between the oil storage tanks, the oil return hole (2) is opposite to the oil storage tank cover plate (3), and the confluence hole (5) is opposite to the oil storage tank.
4. Oil separator according to claim 3, characterized in that the oil reservoir cover plate (3) is an arc-shaped plate for converging oil on the oil reservoir cover plate (3) to the converging hole.
5. An oil separator as claimed in claim 4, wherein the edge of the converging hole (5) is provided with a wedge-shaped guide plate inclined towards the oil storage tank, and the side of the converging hole away from the oil-gas pre-separation direction is provided with an oil baffle plate (6).
6. An engine comprising an oil-gas separator, wherein the oil-gas separator is as claimed in any one of claims 1 to 5.
7. An automobile comprising an engine, wherein the engine is the engine of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910959030.8A CN112648043B (en) | 2019-10-10 | 2019-10-10 | Automobile and engine and oil-gas separator thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910959030.8A CN112648043B (en) | 2019-10-10 | 2019-10-10 | Automobile and engine and oil-gas separator thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112648043A true CN112648043A (en) | 2021-04-13 |
| CN112648043B CN112648043B (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910959030.8A Active CN112648043B (en) | 2019-10-10 | 2019-10-10 | Automobile and engine and oil-gas separator thereof |
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| CN209369946U (en) * | 2019-01-07 | 2019-09-10 | 沈阳航天新光汽车零部件有限公司 | A kind of automobile engine cylinder head casing lid with cyclone type oil gas separation structure |
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| Publication number | Publication date |
|---|---|
| CN112648043B (en) | 2022-03-22 |
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