CN112065534A - Active oil-gas separator - Google Patents
Active oil-gas separator Download PDFInfo
- Publication number
- CN112065534A CN112065534A CN202010985386.1A CN202010985386A CN112065534A CN 112065534 A CN112065534 A CN 112065534A CN 202010985386 A CN202010985386 A CN 202010985386A CN 112065534 A CN112065534 A CN 112065534A
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- China
- Prior art keywords
- oil
- disc
- gas
- ring
- shell
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Classifications
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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
- F01M2013/0411—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil using cooling means
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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
- F01M2013/0422—Separating oil and gas with a centrifuge device
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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
- F01M2013/0438—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a filter
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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)
- Separating Particles In Gases By Inertia (AREA)
Abstract
The invention relates to an active oil-gas separator, which comprises: the filter comprises a shell, a separating device, a stator, a rotor and a cooling impeller, wherein the separating device is arranged at the lower part of the shell and is provided with a separating impeller and a separating filter ring; the upper end of the driving shaft is pivoted with the upper end of the shell through an upper bearing, and the lower end of the driving shaft is pivoted with the lower end of the shell through a lower bearing; the rotor is provided with a plurality of axial through holes distributed along the circumferential direction; the upper end of the shell is provided with at least one air outlet through hole; the separating device is provided with a plurality of separating mechanisms which are circumferentially distributed along the outer side of the separating filter ring. The upper bearing of the active oil-gas separator cannot be damaged by overheating, and the oil-gas separation efficiency is high.
Description
Technical Field
The invention relates to the technical field of engines, in particular to an active oil-gas separator.
Background
At present, in order to purify waste gas of a crankcase, passive oil-gas separators such as a labyrinth oil-gas separator, a jet hole oil-gas separator and a cyclone oil-gas separator are applied to an engine, oil and gas in the waste gas of the crankcase are separated by utilizing air intake of the engine, the separated engine oil falls back to the crankcase, and the gas participates in the air intake of the engine to be combusted; the passive oil-gas separator utilizes the gas pressure difference of the engine, the pressure difference can change along with the change of the working condition of the engine, the engine oil which is not completely separated is easily brought into the engine for combustion, the working condition and the service life of the engine are influenced, the emission of the engine is worse, the environment is worsened, and adverse effects are brought to the human health. The working condition of the active oil-gas separator cannot change along with the change of the pressure difference of the engine, so that the working condition of the engine is improved, and the service life of the engine is prolonged; the structure of the active oil-gas separator can be obtained from Chinese patent application numbers: 201910867429.3 discloses an active oil-gas separator; the traditional active oil-gas separator has the defects that an upper bearing for pivoting a driving shaft of a motor and an upper shell is easy to overheat and damage, and the oil-gas separation efficiency is low; therefore, the active oil-gas separator with the upper bearing not damaged by overheating and high oil-gas separation efficiency is designed, and the problem to be solved urgently is solved.
Disclosure of Invention
The invention aims to overcome the defects that an upper bearing for pivoting a driving shaft of a motor and an upper shell of the existing active oil-gas separator is easy to overheat and damage and has lower oil-gas separation efficiency, and provides the active oil-gas separator with the advantages that the upper bearing cannot overheat and damage and the oil-gas separation efficiency is higher.
The specific technical scheme of the invention is as follows:
an active oil and gas separator comprising: the filter comprises a shell, a separating device, a stator, a rotor and a cooling impeller, wherein the separating device is arranged at the lower part of the shell and is provided with a separating impeller and a separating filter ring; the upper end of the driving shaft is pivoted with the upper end of the shell through an upper bearing, and the lower end of the driving shaft is pivoted with the lower end of the shell through a lower bearing; the rotor is provided with a plurality of axial through holes distributed along the circumferential direction; the upper end of the shell is provided with at least one air outlet through hole; the separating device is provided with a plurality of separating mechanisms which are circumferentially distributed along the outer side of the separating filter ring.
Preferably, the separation device comprises: the oil-gas separation device comprises a separation seat which is arranged on a driving shaft and is provided with an upper disc and a lower disc, a spacing ring of which the lower end is connected with the upper end of the lower disc, a lower recess which is arranged at the lower end of the lower disc, oil-gas inlet holes which are arranged at the inner side of the spacing ring and of which the two ends are communicated with the upper end of the lower disc and the top surface of the lower recess in a one-to-one correspondence manner; the separation impeller is positioned on the inner side of the space ring and is respectively connected with the upper disc and the lower disc; the separation filter ring is positioned outside the space ring, and two ends of the separation filter ring are correspondingly connected with the upper disc and the lower disc one by one; the upper end of the separated oil outlet hole is positioned between the separated filter ring and the spacing ring; the lower end of the shell is provided with an oil gas inlet communicated with the oil gas inlet hole; the bottom of the side wall of the shell is provided with a separated oil outlet communicated with the separated oil outlet.
Preferably, the separation mechanism includes: the separating filter comprises a gear ring connected with the inner side wall of the shell, a rotating shaft, a gear, a connecting disc and a plurality of separating rods, wherein the rotating shaft is positioned on the outer side of the separating filter ring, the upper end of the rotating shaft is pivoted with the upper disc, the gear is connected with the rotating shaft and is meshed with the gear ring, the connecting disc is connected with the lower end of the rotating shaft, and the upper ends of the separating rods are respectively connected.
Preferably, the shell is provided with an annular sealing ring positioned on the lower side of the lower disc; a labyrinth seal is arranged between the upper end of the annular seal ring and the lower end of the lower disc.
Preferably, the side wall of the space ring is provided with an oil-gas through hole group.
Preferably, the separation device further comprises: the upper recess is arranged at the upper end of the upper disc, the baffle disc which covers the upper recess and is connected with the driving shaft is sleeved outside the driving shaft, and two ends of the baffle disc are in one-to-one correspondence to press the bottom surface of the upper recess and the vibration and noise reduction spring at the lower end of the baffle disc.
Preferably, the separation device further comprises: and the plurality of barrier strips block the outer side wall of the separation filter ring, and two ends of the barrier strips are correspondingly connected with the upper disc and the lower disc one by one.
Preferably, the upper end of the shell is provided with a middle air outlet hole opposite to the upper end of the upper bearing.
Preferably, the air outlet is provided with a dust screen.
Compared with the prior art, the invention has the beneficial effects that: in the active oil-gas separator, a driving shaft of a rotor drives a separation impeller of a separation device to rotate, oil-gas mixed gas enters the separation device from an oil-gas inlet through an oil-gas inlet hole and forms rotary airflow under the action of centrifugal force, a separation filter ring separates the oil-gas mixed gas, oil drops formed by separation and condensation flow out from a separation oil outlet and a separation oil outlet, and the separated gas flows out of the outer side of the side wall of the separation filter ring; the separating mechanism revolves along with the upper disc, and the connecting disc rotating reversely with the separating impeller drives the separating rod to move for secondary separation, so that residual oil drops in the gas are separated and sink after collision and deceleration and flow out of a separated oil outlet, and the separating efficiency is obviously improved; under the action of the cooling impeller, gas flows out of the gas outlet through hole and the middle gas outlet hole after cooling the upper bearing through the axial through hole; the upper bearing of the active oil-gas separator cannot be damaged by overheating, and the oil-gas separation efficiency is high. The space ring of the separation device is favorable for preventing oil-gas mixed gas entering from the oil-gas inlet hole from directly flowing out of the separation oil outlet hole. And a labyrinth seal is arranged between the upper end of the annular sealing ring and the lower end of the lower disc, so that the leakage of the oil-gas mixed gas is prevented from directly flowing out from the separated oil outlet. The oil-gas through hole group arranged on the side wall of the space ring is beneficial to increasing the passing area of the oil-gas mixed gas forming the rotating airflow under the rotation action of the impeller. The vibration and noise reduction spring is beneficial to vibration and noise reduction when the separating device works. The barrier strip is beneficial to improving the strength and the rigidity of the separation filter ring and prolonging the service life. The upper end of the shell is provided with a middle air outlet hole opposite to the upper end of the upper bearing, so that the upper bearing is cooled by air. The air outlet is provided with a dust screen which is beneficial to preventing dust from entering the upper bearing.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
In the figure: the device comprises a shell 1, a separation impeller 2, a separation filter ring 3, a stator 4, a driving shaft 5, a rotor 6, a cooling impeller 7, an upper bearing 8, a lower bearing 9, an axial through hole 10, an air outlet through hole 11, an upper disc 12, a lower disc 13, a separation seat 14, a spacer ring 15, a lower recess 16, an oil-gas inlet hole 17, a separation oil outlet hole 18, an oil-gas inlet 19, a separation oil outlet 20, a gear ring 21, a rotating shaft 22, a gear 23, a connecting disc 24, a separation rod 25, an annular sealing ring 26, a labyrinth seal 27, an oil-gas through hole group 28, an upper recess 29, a baffle disc 30, a vibration and noise reduction spring 31, a baffle strip 32, a middle air outlet hole 33 and a.
Detailed Description
The invention will be further described with reference to the drawings.
As shown in figure 1: an active oil and gas separator comprising: the device comprises a shell 1, a separating device which is arranged at the lower part of the shell 1 and is provided with a separating impeller 2 and a separating filter ring 3, a stator 4 which is arranged at the upper part of the shell 1, a rotor 6 which is provided with a driving shaft 5 for driving the separating impeller 2 to rotate, and a cooling impeller 7 which is arranged at the lower side of the rotor 6 and is in threaded connection with the driving shaft 5; the upper end of the driving shaft 5 is pivoted with the upper end of the shell 1 through an upper bearing 8, and the lower end of the driving shaft 5 is pivoted with the lower end of the shell 1 through a lower bearing 9; the rotor 6 is provided with a plurality of axial through holes 10 which are uniformly distributed along the circumferential direction; two air outlet through holes 11 are formed in the upper end of the shell 1; the separating device is provided with six separating mechanisms which are uniformly distributed along the outer side of the separating filter ring 3 in the circumferential direction.
The separation device comprises: a separating seat 14 which is arranged on the driving shaft 5 and is provided with an upper disc 12 and a lower disc 13, a spacing ring 15 of which the lower end is in threaded connection with the upper end of the lower disc 13, a lower recess 16 which is arranged at the lower end of the lower disc 13, oil gas inlet holes 17 which are arranged at the inner side of the spacing ring 15 and of which the two ends are communicated with the upper end of the lower disc 13 and the top surface of the lower recess 16 in a one-to-one correspondence manner, and a separated oil outlet hole 18 which; the separation impeller 2 is positioned on the inner side of the space ring 15 and is respectively in threaded connection with the upper disc 12 and the lower disc 13; the separation filter ring 3 is positioned outside the space ring 15, and two ends of the separation filter ring are correspondingly screwed with the upper disc 12 and the lower disc 13 one by one; the upper end of the separated oil outlet hole 18 is positioned between the separating filter ring 3 and the spacing ring 15; the lower end of the shell 1 is provided with an oil gas inlet 19 communicated with the oil gas inlet 17; the bottom of the side wall of the shell 1 is provided with a separated oil outlet 20 communicated with the separated oil outlet hole 18.
The separating mechanism comprises: the separation filter ring comprises a gear ring 21 in surrounding threaded connection with the inner side of the shell 1, a rotating shaft 22 which is positioned on the outer side of the separation filter ring 3 and the upper end of which is pivoted with the upper disc 12 through a bearing, a gear 23 which is in key connection with the rotating shaft 22 and is meshed with the gear ring 21, a connecting disc 24 in threaded connection with the lower end of the rotating shaft 22, and four separation rods 25 which are uniformly distributed along the circumferential direction of the rotating shaft 22 and the upper ends of which.
The shell 1 is provided with an annular sealing ring 26 positioned on the lower side of the lower disc 13; a labyrinth seal 27 is arranged between the upper end of the annular sealing ring 26 and the lower end of the lower disc 13.
And an oil-gas through hole group 28 is arranged on the side wall of the space ring 15.
The separation device further comprises: an upper recess 29 arranged at the upper end of the upper disc 12, a baffle disc 30 covering the upper recess 29 and screwed with the driving shaft 5, and a vibration and noise reduction spring 31 sleeved outside the driving shaft 5 and having two ends for pressing the bottom surface of the upper recess 29 and the lower end of the baffle disc 30 one by one.
The separation device further comprises: eight baffle strips 32 which block the outer side of the separation filter ring 3 and have two ends which are in one-to-one corresponding threaded connection with the upper disc 12 and the lower disc 13.
The upper end of the shell 1 is provided with a middle air outlet hole 33 opposite to the upper end of the upper bearing 8.
And a dust screen 34 is arranged in the air outlet.
In the active oil-gas separator, a driving shaft 5 of a rotor 6 drives a separation impeller 2 of a separation device to rotate, oil-gas mixed gas enters the separation device from an oil-gas inlet 19 through an oil-gas inlet 17 and forms rotary airflow under the action of centrifugal force, a separation filter ring 3 separates the oil-gas mixed gas, oil drops formed by separation and condensation flow out from a separation oil outlet 18 and a separation oil outlet 20, and the separated gas flows out of the outer side of the side wall of the separation filter ring 3; the separating mechanism revolves along with the upper disc 12, and the connecting disc 24 rotating reversely with the separating impeller 2 drives the separating rod 25 to move for secondary separation, so that residual oil drops in the gas are separated and sink after collision and deceleration and flow out from the separated oil outlet 20, and the separation efficiency is obviously improved; under the action of the cooling impeller 7, gas flows out from the gas outlet through hole 11 and the middle gas outlet hole 33 after cooling the upper bearing 8 through the axial through hole 10; the upper bearing of the active oil-gas separator cannot be damaged by overheating, and the oil-gas separation efficiency is high. The spacer 15 of the separation device is beneficial to preventing oil-gas mixture gas entering from the oil-gas inlet hole 17 from directly flowing out of the separation oil outlet hole 18. A labyrinth seal 27 is arranged between the upper end of the annular sealing ring 26 and the lower end of the lower disc 13, so that the leakage of the oil-gas mixture gas is prevented from directly flowing out of the separated oil outlet 20. The oil-gas through hole group 28 is arranged on the side wall of the space ring 15, which is beneficial to increasing the passing area of the oil-gas mixed gas forming the rotating airflow under the rotation action of the impeller. The vibration and noise reduction spring 31 is beneficial to vibration and noise reduction when the separating device works. The barrier strips 32 are beneficial to improving the strength and rigidity of the separation filter ring 3 and prolonging the service life. The upper end of the shell 1 is provided with a middle air outlet hole 33 opposite to the upper end of the upper bearing 8, so that the gas can be cooled in the upper bearing 8. A dust screen 34 is provided in the air outlet to prevent dust from entering the upper bearing 8.
In addition to the above embodiments, the technical features or technical data of the present invention may be reselected and combined to form new embodiments within the scope of the claims and the specification of the present invention, which are all realized by those skilled in the art without creative efforts, and thus, the embodiments of the present invention not described in detail should be regarded as specific embodiments of the present invention and are within the protection scope of the present invention.
Claims (9)
1. An active oil and gas separator comprising: the casing is arranged in the casing lower part and is equipped with the separator of separation impeller, separation filter ring, characterized by, initiative oil and gas separator still include: a stator mounted on the upper part of the shell, a rotor provided with a driving shaft for driving the separation impeller to rotate, and a cooling impeller arranged on the lower side of the rotor and connected with the driving shaft; the upper end of the driving shaft is pivoted with the upper end of the shell through an upper bearing, and the lower end of the driving shaft is pivoted with the lower end of the shell through a lower bearing; the rotor is provided with a plurality of axial through holes distributed along the circumferential direction; the upper end of the shell is provided with at least one air outlet through hole; the separating device is provided with a plurality of separating mechanisms which are circumferentially distributed along the outer side of the separating filter ring.
2. The active oil-gas separator of claim 1 wherein the separator means comprises: the oil-gas separation device comprises a separation seat which is arranged on a driving shaft and is provided with an upper disc and a lower disc, a spacing ring of which the lower end is connected with the upper end of the lower disc, a lower recess which is arranged at the lower end of the lower disc, oil-gas inlet holes which are arranged at the inner side of the spacing ring and of which the two ends are communicated with the upper end of the lower disc and the top surface of the lower recess in a one-to-one correspondence manner; the separation impeller is positioned on the inner side of the space ring and is respectively connected with the upper disc and the lower disc; the separation filter ring is positioned outside the space ring, and two ends of the separation filter ring are correspondingly connected with the upper disc and the lower disc one by one; the upper end of the separated oil outlet hole is positioned between the separated filter ring and the spacing ring; the lower end of the shell is provided with an oil gas inlet communicated with the oil gas inlet hole; the bottom of the side wall of the shell is provided with a separated oil outlet communicated with the separated oil outlet.
3. The active oil-gas separator of claim 2 wherein the separator mechanism comprises: the separating filter comprises a gear ring connected with the inner side wall of the shell, a rotating shaft, a gear, a connecting disc and a plurality of separating rods, wherein the rotating shaft is positioned on the outer side of the separating filter ring, the upper end of the rotating shaft is pivoted with the upper disc, the gear is connected with the rotating shaft and is meshed with the gear ring, the connecting disc is connected with the lower end of the rotating shaft, and the upper ends of the separating rods are respectively connected.
4. The active oil-gas separator of claim 2 or 3 wherein the housing is provided with an annular seal ring positioned on the lower side of the lower disc; a labyrinth seal is arranged between the upper end of the annular seal ring and the lower end of the lower disc.
5. The active oil-gas separator according to claim 2 or 3, wherein the spacer ring side is provided with an oil-gas through hole group.
6. The active oil and gas separator of claim 2 or 3 wherein the separator means further comprises: the upper recess is arranged at the upper end of the upper disc, the baffle disc which covers the upper recess and is connected with the driving shaft is sleeved outside the driving shaft, and two ends of the baffle disc are in one-to-one correspondence to press the bottom surface of the upper recess and the vibration and noise reduction spring at the lower end of the baffle disc.
7. The active oil and gas separator of claim 2 or 3 wherein the separator means further comprises: and the plurality of barrier strips block the outer side wall of the separation filter ring, and two ends of the barrier strips are correspondingly connected with the upper disc and the lower disc one by one.
8. The active oil and gas separator as claimed in claim 1, 2 or 3, wherein the upper end of the housing is provided with a middle gas outlet hole opposite to the upper end of the upper bearing.
9. The active oil-gas separator of claim 8 wherein a dust screen is installed in the gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010985386.1A CN112065534B (en) | 2020-09-18 | 2020-09-18 | Active oil-gas separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010985386.1A CN112065534B (en) | 2020-09-18 | 2020-09-18 | Active oil-gas separator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112065534A true CN112065534A (en) | 2020-12-11 |
| CN112065534B CN112065534B (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010985386.1A Active CN112065534B (en) | 2020-09-18 | 2020-09-18 | Active oil-gas separator |
Country Status (1)
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| CN (1) | CN112065534B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1377447A (en) * | 1999-10-04 | 2002-10-30 | 劳伦斯泵业有限公司 | Submersible motor with shaft seals |
| DE10338770A1 (en) * | 2003-08-23 | 2005-03-17 | Mann + Hummel Gmbh | Centrifugal separator for cleaning fluid flow, especially de-oiling crankcase breather gas, has plate-shaped cage fixed to rotate with rotor above top plate, coaxial to rotor axle, parallel to plates with essentially cylindrical part |
| US20060142135A1 (en) * | 2002-09-04 | 2006-06-29 | Alfa Laval Corporate Ab | Apparatus for cleaning of gas |
| CN203626924U (en) * | 2013-12-31 | 2014-06-04 | 汉格斯特滤清系统(昆山)有限公司 | Oil-gas separator |
| CN107073483A (en) * | 2014-09-25 | 2017-08-18 | 东京滤器株式会社 | Oil eliminator |
| CN109072739A (en) * | 2016-12-12 | 2018-12-21 | 亨格斯特欧洲股份公司 | For protecting rotary separator with anti-freeze method and rotary separator |
| CN110173325A (en) * | 2019-06-28 | 2019-08-27 | 浙江吉利控股集团有限公司 | A kind of active gs-oil separator |
| CN111330360A (en) * | 2018-12-19 | 2020-06-26 | 赛峰传输系统 | Air/oil mixture separating device |
| CN111396172A (en) * | 2020-02-16 | 2020-07-10 | 神通科技集团股份有限公司 | Active oil-gas separator |
-
2020
- 2020-09-18 CN CN202010985386.1A patent/CN112065534B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1377447A (en) * | 1999-10-04 | 2002-10-30 | 劳伦斯泵业有限公司 | Submersible motor with shaft seals |
| US20060142135A1 (en) * | 2002-09-04 | 2006-06-29 | Alfa Laval Corporate Ab | Apparatus for cleaning of gas |
| DE10338770A1 (en) * | 2003-08-23 | 2005-03-17 | Mann + Hummel Gmbh | Centrifugal separator for cleaning fluid flow, especially de-oiling crankcase breather gas, has plate-shaped cage fixed to rotate with rotor above top plate, coaxial to rotor axle, parallel to plates with essentially cylindrical part |
| CN203626924U (en) * | 2013-12-31 | 2014-06-04 | 汉格斯特滤清系统(昆山)有限公司 | Oil-gas separator |
| CN107073483A (en) * | 2014-09-25 | 2017-08-18 | 东京滤器株式会社 | Oil eliminator |
| CN109072739A (en) * | 2016-12-12 | 2018-12-21 | 亨格斯特欧洲股份公司 | For protecting rotary separator with anti-freeze method and rotary separator |
| CN111330360A (en) * | 2018-12-19 | 2020-06-26 | 赛峰传输系统 | Air/oil mixture separating device |
| CN110173325A (en) * | 2019-06-28 | 2019-08-27 | 浙江吉利控股集团有限公司 | A kind of active gs-oil separator |
| CN111396172A (en) * | 2020-02-16 | 2020-07-10 | 神通科技集团股份有限公司 | Active oil-gas separator |
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| Publication number | Publication date |
|---|---|
| CN112065534B (en) | 2021-07-06 |
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