CN114837771B - Oil-gas separation structure - Google Patents
Oil-gas separation structure Download PDFInfo
- Publication number
- CN114837771B CN114837771B CN202210710698.0A CN202210710698A CN114837771B CN 114837771 B CN114837771 B CN 114837771B CN 202210710698 A CN202210710698 A CN 202210710698A CN 114837771 B CN114837771 B CN 114837771B
- Authority
- CN
- China
- Prior art keywords
- cover plate
- oil
- rear cover
- air outlet
- support
- 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.)
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Links
- 238000000926 separation method Methods 0.000 title claims abstract description 43
- 238000010521 absorption reaction Methods 0.000 claims abstract description 39
- 238000010992 reflux Methods 0.000 claims abstract 4
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims 4
- 239000003921 oil Substances 0.000 abstract description 43
- 239000010705 motor oil Substances 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 description 21
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000005465 channeling Effects 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000003116 impacting effect Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 235000003301 Ceiba pentandra Nutrition 0.000 description 1
- 244000146553 Ceiba pentandra Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- 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 separation structure, which comprises a shell with a containing cavity, wherein an oil absorption medium is arranged in the containing cavity; the shell is provided with an air inlet communicated with the accommodating cavity and an air outlet communicated with the accommodating cavity, and the air inlet direction of the air inlet is perpendicular to the air outlet direction of the air outlet; the shell is also provided with a reflux port communicated with the accommodating cavity, and the reflux port is closed by an oil absorption medium; the multi-rib plate structure can reduce the complexity of the oil-gas separation structure, meet the oil-gas separation efficiency, reduce the engine oil consumption of the engine and reduce the emission pollution under the condition of reducing the use of parts or reducing the multi-rib plates forming the labyrinth.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to an oil-gas separation structure.
Background
The cylinder head cover is used as an important component part of a crankcase ventilation system, and the optimization of the oil-gas separation structure is always a research topic of technicians, so that the oil-gas separation structure has important significance for improving the oil-gas separation efficiency, reducing the engine oil consumption and relieving the emission pollution, the oil-gas separation structure integrated in the cylinder head cover at present mainly comprises a labyrinth baffle plate and a labyrinth hole plate, more parts or rib plates forming a labyrinth are arranged, the arrangement is complex, and the oil-gas separation efficiency is not ideal.
Therefore, in order to solve the above problems, there is a need for an oil-gas separation structure that can reduce the complexity of the oil-gas separation structure, meet the oil-gas separation efficiency, reduce the engine oil consumption, and reduce the emission pollution, while reducing the use of parts or reducing the number of ribs forming a labyrinth.
Disclosure of Invention
In view of the above, the present invention aims to overcome the defects in the prior art, and provide an oil-gas separation structure, which can reduce the complexity of the oil-gas separation structure, satisfy the oil-gas separation efficiency, reduce the engine oil consumption of an engine, and reduce the emission pollution under the condition of reducing the use of parts or reducing multiple rib plates forming a labyrinth.
The oil-gas separation structure comprises a shell with a containing cavity, wherein an oil absorption medium is arranged in the containing cavity; the shell is provided with an air inlet communicated with the accommodating cavity and an air outlet communicated with the accommodating cavity, and the air inlet direction of the air inlet is perpendicular to the air outlet direction of the air outlet; and the shell is also provided with a backflow port communicated with the accommodating cavity, and the backflow port is closed by an oil absorption medium.
Further, the casing includes preceding apron, extension board and back shroud, preceding apron and back shroud connect and constitute and cut the shape in the horizontal direction and be closed annular accommodation chamber, the extension board supports between preceding apron and back shroud, oil absorption medium is spacing by extension board and back shroud in horizontal.
Further, the top of extension board direction of height forms the upper foot towards the back shroud, the bottom of extension board direction of height forms the lower foot towards the back shroud, oil absorption medium is spacing by upper foot and lower foot in the direction of height.
Further, a left support lug extending towards the rear cover plate is arranged on the left side of the longitudinal middle part of the front cover plate, a right support lug extending towards the rear cover plate is arranged on the right side of the longitudinal middle part of the front cover plate, a left connecting part which is fixed with the left support lug correspondingly is arranged on the rear cover plate, and a right connecting part which is fixed with the right support lug correspondingly is arranged on the rear cover plate; the oil absorption medium is longitudinally limited by the left support lug and the right support lug, and the support plate is positioned between the left support lug and the right support lug.
Further, the extension board is provided with a plurality of along vertically, be equipped with mistake proofing dress groove on the back shroud, at least one the upper stabilizer blade or lower stabilizer blade of extension board are towards the back shroud and are formed the mistake proofing portion that stretches into mistake proofing dress groove.
Further, one surface of the front cover plate, which is transversely far away from the rear cover plate, is transversely protruded to form a reinforcing part in a direction away from the rear cover plate, the air inlet is formed in the reinforcing part, and the air inlet transversely penetrates through the reinforcing part and the front cover plate to form an air inlet flow passage;
at least one group among the adjacent support plates, the support plates and the left support lugs and the support plates and the right support lugs forms an air outlet runner with an air outlet along the height direction, and the air inlet runner is communicated with the air outlet runner.
Further, the flow channel of giving vent to anger link up in holding the chamber along the direction of height, the bottom of front shroud direction of height is connected with connecting portion, connecting portion form to give vent to anger the flow channel and be located the shielding of the bottom gas outlet of direction of height.
Further, the left support lug is provided with a left functional hole, and the right support lug is provided with a right functional hole.
Further, at least one transverse bottom of the support plate extends towards the rear cover plate to form a limiting protrusion for limiting the oil absorption medium.
Further, the oil absorption medium is a shaped felt.
The beneficial effects of the invention are as follows: the invention discloses an oil-gas separation structure, which comprises a shell with a containing cavity, wherein an oil absorption medium is arranged in the containing cavity; the shell is provided with an air inlet communicated with the accommodating cavity and an air outlet communicated with the accommodating cavity, and the air inlet direction of the air inlet is perpendicular to the air outlet direction of the air outlet; the oil-gas mixture is discharged from the air outlet in a way of impacting on the oil absorption medium to reduce the speed, the oil absorption medium plays a role in absorbing oil and reducing the flow speed of the oil-gas mixture, the shell is also provided with a backflow port communicated with the accommodating cavity, the backflow port is sealed by the oil absorption medium, the backflow port is used for enabling oil in the oil absorption medium to flow back to a preset position, the resource utilization rate is improved, the engine oil consumption is reduced, the emission pollution is lightened, and the backflow port sealed by the oil absorption medium is also beneficial to reducing the channeling of the oil-gas mixture and improving the protection effect on other parts; according to the scheme, the oil-gas mixture is slowed down in an impact mode, part of oil in the oil-gas mixture is absorbed through the oil absorption medium, and the complexity of an oil-gas separation structure can be reduced under the condition that parts are reduced to be used or multiple rib plates forming a labyrinth are reduced, so that the oil-gas separation efficiency is met.
Drawings
The invention is further described below with reference to the accompanying drawings and examples:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of an explosive structure according to the present invention;
FIG. 3 is a schematic view of the structure of the front cover plate of the present invention;
FIG. 4 is a schematic diagram of the front view structure of the present invention;
FIG. 5 is a schematic view of the A-A structure of FIG. 4 according to the present invention;
FIG. 6 is a schematic view of the B-B directional structure of FIG. 4 according to the present invention;
FIG. 7 is a schematic diagram of a back view of the present invention;
FIG. 8 is a schematic top view of the present invention;
fig. 9 is a schematic bottom view of the present invention.
Detailed Description
Fig. 1 is a schematic structural view of the present invention, as shown in the drawing, the transverse direction is the width direction of the front cover plate 1, the longitudinal direction is the length direction of the front cover plate 1, and the height direction is the height direction of the front cover plate 1, which is not described herein again; the oil-gas separation structure in this embodiment includes a housing having a receiving cavity, in which an oil-absorbing medium 4 is disposed, where the oil-absorbing medium 4 in this embodiment is a shaped felt, and the oil-absorbing medium 4 may also be kapok fiber, an organic polymer fiber, or a high oil-absorbing resin, so as to achieve the effect of absorbing oil molecules in oil-gas separation, which is not described herein again; the shell is provided with an air inlet 5 communicated with the accommodating cavity and an air outlet 6 communicated with the accommodating cavity, and the air inlet direction of the air inlet 5 is perpendicular to the air outlet direction of the air outlet 6, so that the flow velocity of the oil-gas mixture in the accommodating cavity can be reduced; the oil-gas mixture is discharged from the air outlet 6 through the air inlet 5 in a manner of impacting on the oil absorption medium 4 to reduce the speed, the oil absorption medium 4 plays a role in absorbing oil and reducing the flow speed of the oil-gas mixture, the shell is also provided with a backflow port communicated with the accommodating cavity, the backflow port is closed by the oil absorption medium 4, the backflow port has the role in enabling oil in the oil absorption medium 4 to flow back to a preset position, the resource utilization rate is improved, the engine oil consumption is reduced, the emission pollution is lightened, the backflow port closed by the oil absorption medium 4 is also beneficial to reducing the channeling of the oil-gas mixture, and the protection effect on other parts is improved; according to the scheme, the oil-gas mixture is slowed down in an impact mode, part of oil in the oil-gas mixture is absorbed through the oil absorption medium 4, and the complexity of an oil-gas separation structure can be reduced under the condition that parts are reduced to be used or multiple rib plates forming a labyrinth are reduced, so that the oil-gas separation efficiency is met.
In this embodiment, the casing includes front bezel 1, extension board 2 and back shroud 3, front bezel 1 and back shroud 3 connect and constitute and be closed annular holding chamber in the horizontal direction section, air inlet 5 transversely wears to locate front bezel 1 and communicates to holding the chamber, gas outlet 6 can be located and hold the top surface or the bottom surface of chamber in the direction of height, perhaps gas outlet 6 can be located simultaneously and hold the top surface and the bottom surface of chamber in the direction of height, extension board 2 supports between front bezel 1 and back shroud 3, oil absorption medium 4 is spacing by extension board 2 and back shroud 3 in horizontal direction. The buffer gap is formed between the oil absorption medium 4 and the front cover plate 1, so that reverse rebound of gas can be reduced after the oil-gas mixture entering the accommodating cavity through the air inlet 5 is impacted on the oil absorption medium 4, the condition of gaseous oil-gas mixture turbulence is reduced, and effective separation of the oil-gas mixture in the accommodating cavity is improved.
In this embodiment, the top of the supporting plate 2 extends toward the back cover plate 3 to form an upper supporting leg 21, the bottom of the supporting plate 2 extends toward the back cover plate 3 to form a lower supporting leg 22, and the oil absorbing medium 4 is limited by the upper supporting leg 21 and the lower supporting leg 22 in the height direction. As shown in the figure, the front end of extension board 2 along the transverse direction forms fixedly with front shroud 1, the oil absorption medium 4 is compressed tightly spacingly on back shroud 3 along the bottom surface of transverse direction to extension board 2 height direction's top is along transversely extending to back shroud 3 and is formed upper foot 21, the bottom of extension board 2 height direction is along transversely extending to back shroud 3 and is formed lower foot 22, oil absorption medium 4 is spacing by upper foot 21 and lower foot 22 in the height direction to the transverse rear end of upper foot 21 supports on back shroud 3, and the transverse rear end of lower foot 22 supports on back shroud 3, in order to improve the structural strength of casing.
In this embodiment, a left side of a longitudinal middle portion of the front cover plate 1 is provided with a left support lug 11 extending toward the rear cover plate 3, a right side of the longitudinal middle portion of the front cover plate 1 is provided with a right support lug 12 extending toward the rear cover plate 3, the rear cover plate 3 is provided with a left connecting portion 1431 corresponding to the left support lug 11 and forming a fixed connection portion 1432 corresponding to the right support lug 12, and the rear cover plate 3 is provided with a right connecting portion 1432 corresponding to the right support lug 12; as shown in the figure, the left support lug 11 forms a left hook along one end which is close to the back cover plate 3 in the transverse direction, the right support lug 12 forms a right hook along one end which is close to the back cover plate 3 in the transverse direction, the back cover plate 3 is provided with a left connecting part 1431 which is fixedly clamped with the left hook, and the back cover plate 3 is provided with a right connecting part 1432 which is fixedly clamped with the right hook; the oil absorbing medium 4 is longitudinally limited by the left support lug 11 and the right support lug 12, and the support plate 2 is positioned between the left support lug 11 and the right support lug 12.
In this embodiment, the support plate 2 is provided with a plurality of anti-misloading grooves 33 along the longitudinal direction, and at least one of the upper leg 21 or the lower leg 22 of the support plate 2 extends toward the rear cover plate 3 to form an anti-misloading portion 23 extending into the anti-misloading groove 33. As shown in the figure, the upper support legs 21 of two support plates 2 adjacent in the longitudinal direction are respectively and correspondingly formed with an error-proofing portion 23, the top outer edge of the rear cover plate 3 in the height direction is recessed downwards to form an error-proofing groove 33, and the two error-proofing portions 23 simultaneously extend into the error-proofing groove 33, so that the error-proofing phenomenon can not occur when the rear cover plate 3 is assembled on the front cover plate 1, and the assembly efficiency is improved; at least one lateral bottom of the support plate 2 extends towards the back cover plate 3 to form a limiting protrusion 24 for limiting the oil absorption medium 4, and as shown in the figure, the limiting protrusion 24 is used for placing the movement of the oil absorption medium 4 in the accommodating cavity, so that the positioning stability of the oil absorption medium 4 is improved.
In this embodiment, the front cover plate 1 protrudes in a direction away from the rear cover plate 3 along a lateral direction along a side away from the rear cover plate 3 to form a reinforcing portion 13, the air inlet 5 is formed in the reinforcing portion 13, and the air inlet 5 is transversely arranged through the reinforcing portion 13 and the front cover plate 1 to form an air inlet channel 51; in order to improve the structural strength of the overall structure and have the effect of primary deceleration collision separation on the oil-gas mixture, as shown in the figure, the reinforcing part 13 protrudes out of the front side surface of the front cover plate 1 along the transverse direction, the air inlet flow channel 51 is a direct flow channel which transversely penetrates through the reinforcing part 13 and the front cover plate 1, the air outlet ends of the air inlet flow channel 51 are correspondingly arranged between the adjacent support plates 2, between the support plates 2 and the left support lugs 11 and between the support plates 2 and the right support lugs 12, and as the air inlet flow channel 51 is a straight flow channel, the oil-gas mixture entering the air inlet flow channel 51 through the air inlet 5 can be directly sprayed and impacted on the oil absorption medium 4, so that the oil-gas separation efficiency is improved, and furthermore, the air inlet flow channel 51 can also be in a structure with a plurality of air outlet ends for independent air inlet 5 or in a structure with independent air outlet ends for a plurality of air inlet 5, so that the conduction effect on the oil-gas mixture can be realized, and the details are omitted; at least one group among the adjacent support plates 2, the support plates 2 and the left support lugs 11 and the support plates 2 and the right support lugs 12 forms an air outlet flow channel 61 with an air outlet 6 along the height direction, and the air inlet flow channel 51 is communicated with the air outlet flow channel 61; the air outlet flow channels 61 corresponding to the air inlet flow channels 51 are formed between the adjacent support plates 2, between the support plates 2 and the left support lugs 11 and between the support plates 2 and the right support lugs 12, and the air outlet flow channels 61 penetrate through the accommodating cavity along the height direction, so that the oil-gas separation efficiency is improved, the separation ratio of air and oil in the oil-gas separation can be improved, and the occurrence of turbulent flow can be reduced; the number and the aperture size of the air inlets 5 are designed according to the amount of the air leakage of the piston of the engine so as to meet the requirements of different engine oil-gas separation efficiencies, and are not repeated here.
In this embodiment, a connection portion 14 is connected to the bottom of the front cover plate 1 in the height direction, and the connection portion 14 forms a shield for the air outlet 6 of the air outlet channel 61 located at the bottom in the height direction; the gas of the oil-gas mixture is gathered upwards as much as possible along the height direction, the oil of the oil-gas mixture is gathered downwards as much as possible along the height direction, the separation direction of the gas and the oil is opposite, the separation efficiency and the separation effect are improved, the section of the connecting part 14 in the height direction is in an'm' shape, the connecting part 14 is used for being fixed with a cylinder cover, the left support lug 11 is provided with a left functional hole 15, and the right support lug 12 is provided with a right functional hole 16; as shown in the drawing, the left functional hole 15 and the right functional hole 16 are both in an "n" shape, the opening of the "n" shape is set towards the back cover plate 3, and the left functional hole 15 is respectively and correspondingly disposed on the upper side of the left hook and the lower side of the left hook along the height direction, the right functional hole 16 is respectively and correspondingly disposed on the upper side of the right hook and the lower side of the right hook along the height direction, the purpose of the left functional hole 15 is to provide a better assembly degree of freedom for the left hook and to provide an exhaust purpose, the purpose of the left functional hole 15 is to provide a better assembly degree of freedom for the right hook and to provide an exhaust purpose, so that the sufficient flow of the gas in the gas-gas mixture in the accommodating cavity is improved, and the separation efficiency of the gas-gas mixture is improved.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (7)
1. An oil-gas separation structure, characterized in that: the oil absorption device comprises a shell with a containing cavity, wherein an oil absorption medium is arranged in the containing cavity; the shell is provided with an air inlet communicated with the accommodating cavity and an air outlet communicated with the accommodating cavity, and the air inlet direction of the air inlet is perpendicular to the air outlet direction of the air outlet; the shell is also provided with a reflux port communicated with the accommodating cavity, and the reflux port is closed by an oil absorption medium; the shell comprises a front cover plate, a support plate and a rear cover plate, wherein the front cover plate and the rear cover plate are connected to form a closed annular accommodating cavity in a truncated shape in the horizontal direction, the support plate is supported between the front cover plate and the rear cover plate, and the oil absorption medium is limited by the support plate and the rear cover plate in the transverse direction; the top of the supporting plate in the height direction extends towards the rear cover plate to form an upper supporting leg, the bottom of the supporting plate in the height direction extends towards the rear cover plate to form a lower supporting leg, and the oil absorption medium is limited by the upper supporting leg and the lower supporting leg in the height direction; the left side of the longitudinal middle part of the front cover plate is provided with a left support lug extending towards the rear cover plate, the right side of the longitudinal middle part of the front cover plate is provided with a right support lug extending towards the rear cover plate, the rear cover plate is provided with a left connecting part which corresponds to the left support lug and forms a fixation, and the rear cover plate is provided with a right connecting part which corresponds to the right support lug and forms a fixation; the oil absorption medium is longitudinally limited by the left support lug and the right support lug, and the support plate is positioned between the left support lug and the right support lug.
2. The oil-gas separation construction according to claim 1, wherein: the support plate is longitudinally provided with a plurality of anti-misloading grooves, and at least one upper support leg or lower support leg of the support plate extends towards the rear cover plate to form an anti-misloading part extending into the anti-misloading grooves.
3. The oil-gas separation structure according to claim 2, characterized in that: the front cover plate protrudes along the transverse direction away from the rear cover plate along the transverse direction to form a reinforcing part, the air inlet is formed in the reinforcing part, and the air inlet transversely penetrates through the reinforcing part and the front cover plate to form an air inlet channel;
at least one group among the adjacent support plates, the support plates and the left support lugs and the support plates and the right support lugs forms an air outlet runner with an air outlet along the height direction, and the air inlet runner is communicated with the air outlet runner.
4. The oil and gas separation construction according to claim 3, wherein: the air outlet flow channel is communicated with the accommodating cavity along the height direction, the bottom of the height direction of the front cover plate is connected with a connecting part, and the connecting part forms shielding for the air outlet at the bottom of the height direction of the air outlet flow channel.
5. The oil and gas separation construction according to claim 4, wherein: the left support lug is provided with a left functional hole, and the right support lug is provided with a right functional hole.
6. The oil-gas separation structure according to claim 2, characterized in that: at least one transverse bottom of the support plate extends towards the rear cover plate to form a limiting protrusion for limiting the oil absorption medium.
7. The oil-gas separation construction according to claim 1, wherein: the oil absorption medium is a shaped felt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210710698.0A CN114837771B (en) | 2022-06-22 | 2022-06-22 | Oil-gas separation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210710698.0A CN114837771B (en) | 2022-06-22 | 2022-06-22 | Oil-gas separation structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114837771A CN114837771A (en) | 2022-08-02 |
| CN114837771B true CN114837771B (en) | 2024-02-06 |
Family
ID=82573511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210710698.0A Active CN114837771B (en) | 2022-06-22 | 2022-06-22 | Oil-gas separation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114837771B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006336595A (en) * | 2005-06-06 | 2006-12-14 | Daihatsu Motor Co Ltd | Oil separation device for blow-by gas in internal combustion engine |
| CN201738984U (en) * | 2010-06-09 | 2011-02-09 | 北汽福田汽车股份有限公司 | Oil-gas separator of engine |
| JP2014125952A (en) * | 2012-12-26 | 2014-07-07 | Daihatsu Motor Co Ltd | Internal combustion engine |
| CN211082015U (en) * | 2019-07-23 | 2020-07-24 | 长城汽车股份有限公司 | Oil-gas separation structure |
| CN214366286U (en) * | 2021-01-05 | 2021-10-08 | 潍柴动力股份有限公司 | Oil-gas separator and engine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11130076B2 (en) * | 2018-09-12 | 2021-09-28 | DH Well Solutions, LLC | Oil-gas separators comprising non-concentric fluid channels |
-
2022
- 2022-06-22 CN CN202210710698.0A patent/CN114837771B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006336595A (en) * | 2005-06-06 | 2006-12-14 | Daihatsu Motor Co Ltd | Oil separation device for blow-by gas in internal combustion engine |
| CN201738984U (en) * | 2010-06-09 | 2011-02-09 | 北汽福田汽车股份有限公司 | Oil-gas separator of engine |
| JP2014125952A (en) * | 2012-12-26 | 2014-07-07 | Daihatsu Motor Co Ltd | Internal combustion engine |
| CN211082015U (en) * | 2019-07-23 | 2020-07-24 | 长城汽车股份有限公司 | Oil-gas separation structure |
| CN214366286U (en) * | 2021-01-05 | 2021-10-08 | 潍柴动力股份有限公司 | Oil-gas separator and engine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114837771A (en) | 2022-08-02 |
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