CN101988405B - Oil-gas separator of engine - Google Patents
Oil-gas separator of engine Download PDFInfo
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- CN101988405B CN101988405B CN201010546331A CN201010546331A CN101988405B CN 101988405 B CN101988405 B CN 101988405B CN 201010546331 A CN201010546331 A CN 201010546331A CN 201010546331 A CN201010546331 A CN 201010546331A CN 101988405 B CN101988405 B CN 101988405B
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Abstract
The invention provides an oil-gas separator of an engine, belonging to the technical field of mechanical engineering. The oil-gas separator solves the problem that the traditional oil-gas separator has low separation efficiency or a filter element can influence the separation efficiency. The oil-gas separator comprises a shell and a cylindrical filter element, wherein the shell is provided with a cavity, and the cylindrical filter element is positioned in the cavity in the shell; both ends of the filter element are connected with the shell; an oil-gas channel, an oil-discharging channel and a gas-discharging channel, which are all connected with the cavity, are arranged on the shell, ports of the oil-gas channel are positioned on the side surface and the bottom surface of the cavity; and an inlet of the oil-discharging channel is positioned at the bottom of an inner cavity of the filter element, and an inlet of the gas-discharging channel is positioned at the top of the inner cavity of the filter element. The oil-gas separator firstly realizes primary separation by adopting centrifugal separation so as to reduce the oil content of mixed gas at a filter screen, thereby ensuring the normal use and the filtering efficiency of the filter element; and then the oil-gas separator realizes secondary separation by adopting filter-element separation. The oil-gas separator has the advantages of high separation efficiency and safety.
Description
Technical field
The invention belongs to mechanical engineering technical field, relate to a kind of motor, particularly a kind of oil-gas separating device for engine.
Background technique
Motor is a kind ofly can normally be converted into mechanical energy to the machine of the another kind of more useful ability of being converted into of a kind of form to chemical energy.When engine operation, always some inflammable mixture and waste gas are scurried and will be made machine oil thinning after gasoline vapour in the crankcase condenses in piston ring is scurried crankcase, performance depreciation.Waste gas contains water vapour and sulfur dioxide, and steam coagulation forms foam in machine oil, destroys engine oil supplying, and this phenomenon is particularly serious in the winter time; Sulfur dioxide is met water and is generated sulphurous acid, and sulphurous acid runs into airborne oxygen and generates sulfuric acid, and the appearance of these acidic materials not only makes machine oil rotten, and part is corroded.Because inflammable mixture and waste gas are scurried in the crankcase, the interior pressure of crankcase will increase, and machine oil can ooze out and runs off from crank shaft oil seal, crankcase liner etc.The machine oil steam that is lost in the atmosphere can strengthen the pollution of motor to atmosphere.Motor is equipped with crankcase bleeder just can avoid or alleviate above-mentioned phenomenon, and therefore, the effect of engine crankcase ventilation plant is: prevent that 1, machine oil is rotten: 2, prevent crank shaft oil seal, crankcase liner seepage; 3, prevent various oily vapours atmosphere pollutions.
Crankcase ventilation system adopts mazy type or cyclone type oil-gas separator more; The utilization of labyrinth type oil gas separating device be the inertial force of object; Promptly when fuel-air mixture during through the labyrinth; Droplet in the mixed gas is run into the labyrinth wall and is condensed the back under wall flow under inertial force, the gas in the mixed gas then gets into crankcase ventilation system through the labyrinth smoothly.The separate mode of cyclone type oil-gas separator is similar with mazy type, but the droplet in the mixed gas is under centrifugal action, to run into behind the wall of deaerator under wall flow.Though two kinds of deaerators of above-mentioned this have little, the non-maintaining advantage of resistance, also exist the low defective of separation effect.Also have the fraction motor to adopt the filer element type deaerator at present, characteristics are that separation effect is high, resistance is big, but also exist after adhering to a certain amount of machine oil on the filter core, and the resistance of filter core can increase, and influences the defective of separation effect.
Summary of the invention
The objective of the invention is to have the problems referred to above to existing technology, proposed the centrifugal separation of a kind of employings and separated with filer element type and combine the oil-gas separating device for engine of realization secondary separation.
The object of the invention can be realized through following technical proposal: a kind of oil-gas separating device for engine; It is characterized in that; It comprises housing with cavity and is positioned at housing inner cavity place and is filter core cylindraceous; Described filter core two ends all link to each other with housing, and described housing is provided with gas channel, oil drain passage and the exhaust passage that all is connected with cavity, and described gas channel port is positioned at cavity side and place, bottom surface; The import of described oil drain passage is positioned at described filter core intracavity bottom place, and the import of described exhaust passage is positioned at described filter core top of chamber place.
This oil-gas separating device for engine is applied in the ventilation system and can carries out centrifugation to mixed gas earlier, adopts filter core to carry out secondary separation again.Its detailed process is following: 1, mixed gas gets in the cavity through gas channel; Mixed gas is along the passage circumferential movement between cavity inner wall and the filter core outer wall; Because the density of oil is much larger than the density of air; So the droplet in the mixed gas is run into the inwall of base cavity and is condensed to dirty under action of centrifugal force, flow back to crankcase from gas channel, and then the initial gross separation of completion mixed gas.2, the mixed airflow after initial gross separation is to filter core, separated the back droplet by filter core and flows down from gas channel along the filter core outer wall and flow back to crankcase; The drop that the filter core inwall condenses then flows down from oil drain passage along inwall and flows back to crankcase; Gas then sees through filter core and gets into the filter core inner chamber, flows into intake manifold through conduit and exhaust passage successively, accomplishes for the second time and separates.Step 1 has effectively reduced the oil content in the mixed gas when the filter core place, avoids occurring a large amount of greases and sticks on the filter core, has guaranteed the filter efficiency of filter core.
In above-mentioned oil-gas separating device for engine, described gas channel comprises joint and the guide portion that is connected joint and cavity, and the side of described guide portion and cavity is tangent.This structure makes the mixed gas tangential get into cavity, improves speed and stationarity that mixed gas moves in cavity, promptly effectively raises the centrifugal force of mixed gas, has improved the separation rate of droplet.
In above-mentioned oil-gas separating device for engine; Described cavity sidewalls is provided with a pressure release passage that is communicated with cavity and exhaust passage; Described housing is provided with can be by the decompression mechanism of pressure release passage, when the pressure of filter core exocoel during greater than the pressure of exhaust passage decompression mechanism can open automatically the filter core exocoel is connected with the exhaust passage.When the mesh of filter core is stopped up by machine oil or impurity; Channel inner pressure between cavity inner wall and the filter core outer wall raises; When reaching the decompression mechanism cracking pressure, decompression mechanism is opened automatically pressure release passage is communicated with, and this moment, the mixed gas after initial gross separation flowed into intake manifold by pressure release passage; Preventing that crankcase pressure is too high causes gas leakage, oil impregnate phenomenon, and then has effectively protected motor.After cleaning or more making behind the renew cartridge channel inner pressure between cavity inner wall and the filter core outer wall return to normal value, decompression mechanism can the automatic cut-off pressure release passage.
In above-mentioned oil-gas separating device for engine; Described decompression mechanism comprises diaphragm and the sealed department one that is positioned at pressure release passage; The outer rim of described diaphragm is fixed on the housing; One side of described diaphragm one is provided with and can the middle part, another side of diaphragm one be pressed on the spring one on the sealed department one, and an end of described spring one is resisted against on the housing, and the other end is resisted against on the diaphragm one.
In above-mentioned oil-gas separating device for engine, the described diaphragm housing of side one by one is provided with buffer cavity, has on the described housing to be communicated with communication passage extraneous and buffer cavity.
In above-mentioned oil-gas separating device for engine; Described decompression mechanism comprises the ball core that is positioned at pressure release passage and is positioned at the sealed department two on the pressure release passage sidewall; Be provided with between ball core and the housing and can the ball core be pressed on the spring three on the sealed department two; One end of described spring three is resisted against on the housing, and the other end links to each other with the ball core.
In above-mentioned oil-gas separating device for engine, described filter core end face place is provided with a diaphragm two, and the outer rim of described diaphragm two is fixed on the housing; Described case top has a side cavity and the extraneous through hole that communicates that makes diaphragm two, and the opposite side of described diaphragm two is provided with spring two, and an end of described spring two is resisted against on the diaphragm two, and the other end is resisted against on the housing; And when the pressure in the cavity was lower than the pressure in the exhaust passage, middle part, the another side of described diaphragm two can be resisted against the inlet of exhaust passage.Cross when low when crankcase pressure, the cavity internal pressure also can decrease, and diaphragm two under atmospheric effect, deformation takes place and the center moves downward, and is resisted against on the end face of conduit, and then ends the exhaust passage, prevents that crankcase is from intake manifold suck-back gas.When crankcase pressure returned to normal value, diaphragm two is the disengaging conduit under the effect of spring two, and the exhaust passage is communicated with again.
In above-mentioned oil-gas separating device for engine, described bottom has annular oil trap two, and described annular oil trap two is positioned at filter core, and described oil drain passage communicates with annular oil trap two.
In above-mentioned oil-gas separating device for engine, described housing comprises base with cavity and the loam cake that is positioned at described cavity opening, and described loam cake snaps onto on the base.
In above-mentioned oil-gas separating device for engine, described filter core comprises and is support cylindraceous and is positioned at the filter screen on the support outer wall that described support two ends are fixed on the housing.
Compared with prior art, this oil-gas separating device for engine has the following advantages:
1, because this oil-gas separating device for engine adopts earlier centrifugal separation to realize that initial gross separation to reduce the oil content of mixed gas when the filter screen place, guarantees the normal use and the filter efficiency of filter core; And then adopt filer element type to separate, realize separating for the second time.So this oil-gas separating device for engine has the high advantage of separation effect.
This oil-gas separating device for engine can continue to keep work when 2, decompression mechanism can guarantee that filter core is blocked, avoided influencing engine operation, so this oil-gas separating device for engine self has safe advantage.
3, the second-class parts of diaphragm two and spring are used and can prevent that crankcase so effectively ensured the proper functioning of motor, has improved the Security and the working life of motor from intake manifold suck-back gas when low when crankcase pressure is crossed.
4, oil-gas separating device for engine has reasonable in design, simple in structure and compact advantage.
Description of drawings
Fig. 1 is the main TV structure schematic representation of this oil-gas separating device for engine.
Fig. 2 is the plan structure schematic representation of this oil-gas separating device for engine.
Fig. 3 is the plan structure schematic representation of base in this oil-gas separating device for engine.
Fig. 4 is the sectional structure schematic representation of A-A among Fig. 2.
Fig. 5 is the sectional structure schematic representation of B-B among Fig. 2.
Fig. 6 is this oil-gas separating device for engine embodiment two a structural representation.
Among the figure, 1, housing; 11, base; 11a, cavity; 11b, ring rib; 11c, convexity; 11d, buffer cavity; 11e, communication passage; 12, loam cake; 12a, through hole; 13, gas channel; 13a, joint; 13b, guide portion; 14, oil drain passage; 15, exhaust passage; 16, cavity; 17, annular oil trap one; 18, annular oil trap two; 19, pressure release passage; 19a, sealed department one; 19b, sealed department two; 2, filter core; 21, filter screen; 22, support; 3, conduit; 4, diaphragm two; 5, spring two; 6, diaphragm one; 7, spring one; 81, ball core; 82, spring three; 9, seal ring.
Embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technological scheme of the present invention is done further to describe, but the present invention is not limited to these embodiments.
Embodiment one
To shown in Figure 5, this oil-gas separating device for engine comprises housing 1, filter core 2, diaphragm 1, spring 1, diaphragm 24 and spring 25 like Fig. 1.
Specifically; Extremely shown in Figure 5 like Fig. 1; Housing 1 comprises having base 11 that is cylindric cavity 11a and the loam cake 12 that is positioned at cavity 11a opening; Can to dismantle between loam cake 12 and the base 11 and then convenient parts such as filter core 2 are packed in the cavity 11a in order to make, be connected through snapping between loam cake 12 and the base 11.Sealing in order to guarantee to connect between loam cake 12 and the base 11 is provided with seal ring 9 between loam cake 12 and base 11.
Like Fig. 4 and shown in Figure 5, base 11 is provided with gas channel 13, oil drain passage 14 and exhaust passage 15.Have two ring rib 11b on the bottom surface of base 11 cavity 11a; Ring rib 11b and outer ring raised line 11b promptly, the sidewall of then described two ring rib 11b and cavity 11a enclose successively to the center from the side of cavity 11a and constitute annular oil trap 1, annular oil trap 2 18 and exhaust passage 15.Gas channel 13 comprises joint 13a and the guide portion 13b that is connected joint 13a and cavity 16; Guide portion 13b is positioned on the sidewall of base 11 and is tangent with the side of cavity 16, and guide portion 13b communicates with annular oil trap 1 and the bottom surface of guide portion 13b flushes with the bottom surface of cavity 11a.Base plate place and port that joint 13a is positioned at base 11 have on the base 11 and penetrate guide portion 13b and prevent that gas from flowing backward to the protruding 11c of port down.Exhaust passage 15 is positioned at the base plate place of base 11 and the center that suction port is positioned at cavity 11a.Oil drain passage 14 also is connected with annular oil trap 2 18 with base plate place that is positioned at base 11 and oil drain passage 14, and the outlet of oil drain passage 14 also down.
Like Fig. 4 and shown in Figure 5, filter core 2 comprises and is support cylindraceous 22 and is positioned at the filter screen 21 on support 22 outer walls that the two ends of filter screen 21 are fixed on the support 22 through seal ring 9, so this filter screen 21 can be dismantled, and then conveniently installs and change filter screen 21.One end of support 22 is set on the outer ring raised line 11b, and is provided with seal ring 9 between outer ring raised line 11b and the support 22, and the other end of support 22 links to each other with loam cake 12, so can know between filter core 2 outer walls and cavity 16 inwalls to be the annular pass.Support 22 centers are provided with conduit 3, and conduit 3 is connected as a single entity with support 22, and the bottom of conduit 3 is located in the interior ring rib 11b and is provided with seal ring 9 between conduit 3 and the interior ring rib 11b, and the top of conduit 3 is positioned at the place, top of filter core 2.
As shown in Figure 4; Base 11 sidewalls are provided with a pressure release passage 19 that is communicated with cavity 16 and exhaust passage 15; The import of pressure release passage 19 is positioned at cavity 11a side to be located with respect to the end in one week of gas flow direction, and this structure can make the oil in the gas separate fully again and discharge from pressure release passage 19.Also being provided with on the base 11 can be by the decompression mechanism of pressure release passage 19.
More particularly, decompression mechanism comprises diaphragm 1, the spring 1 that the employing rubber material is processed and is positioned at pressure release passage 19 sealed departments one 19a.The outer rim of diaphragm 1 is fixed on the base 11; The base 11 of one side of diaphragm 1 is provided with buffer cavity 11d and is provided with and can the middle part, another side of diaphragm 1 be pressed on the spring 1 on sealed department one 19a in this side; One end of spring 1 is resisted against on the base 11, and the other end is resisted against on the diaphragm 1.Obviously, above-mentioned buffer cavity 11d is that spring 1 is installed and diaphragm one 6 deformation provide the space.The deformation of the effects of air pressure diaphragm 1 in the buffer cavity 11d and the pressure of buffer cavity 11d is equated with barometric pressure is communicated with communication passage 11e extraneous and buffer cavity 11d so on base 11, have.
In order to improve the sealing between diaphragm 1 and sealed department one 19a, so be provided with convex body with spherical shape at the middle part, another side of diaphragm 1.
Like Fig. 4 and shown in Figure 5, diaphragm 24 adopts rubber material to process, and diaphragm 24 is between support 22 and loam cake 12; The outer rim of described diaphragm 24 is fixing through compressing each other of loam cake 12 and support 22, and this diaphragm 24 has also guaranteed the sealing between loam cake 12 and the support 22 simultaneously.Loam cake 12 has the cavity and the extraneous loam cake 12a that communicates that makes diaphragm 24 upsides, even the air pressure of the cavity of diaphragm 24 upsides equates with barometric pressure.The opposite side of diaphragm 24 is provided with spring 25, and an end of spring 25 is resisted against on the diaphragm 24, and the other end is resisted against on the housing 1; The middle part of diaphragm 24 opposite sides also is provided with the convex body with spherical shape, and during the pressure in the pressure in the cavity 16 is lower than exhaust passage 15, the convex body on the diaphragm 24 can be resisted against the inlet of exhaust passage 15, and then by exhaust passage 15.
To shown in Figure 5, the arrow among the figure is represented the flow direction of mixed gas like Fig. 1.When this oil-gas separating device for engine was applied in the ventilation system, oil-feed gas oil exit pipe was connected with gas channel 13 on the housing 1; Oil exit pipe is connected with oil drain passage 14 on the housing 1; Intake manifold with housing 1 on exhaust passage 15 be connected.This oil-gas separating device for engine can carry out centrifugation to mixed gas earlier, adopts filter core 2 to carry out secondary separation again.Its detailed process is following: after 1, mixed gas got in the gas channel 13, the tangential got in the cavity 16 behind guide portion 13b, and then mixed gas promptly counterclockwise moves along the annular pass of cavity 16; Because the density of oil is much larger than the density of air; So the droplet in the mixed gas is run into the inwall of base 11 cavity 11a and is condensed under action of centrifugal force; And flow in the annular oil trap 1 downwards, flow back to crankcase along wall successively from gas channel 13; And then the initial gross separation of completion mixed gas, promptly effectively reduced the oil content in the mixed gas when filter screen 21.2, the mixed airflow after initial gross separation is separated the back droplet by filter screen 21 and flow in the annular oil trap 1 along filter core 2 outer walls, and then flow back to crankcase from gas channel 13 to filter core 2; The drop that filter core 2 inwalls condense then flow in the annular oil trap 2 18 along inwall, and then flows back to crankcase from oil drain passage 14; Gas then sees through filter core 2 and gets into filter core 2 inner chambers, flows into intake manifold through conduit 3 and exhaust passage 15 successively, accomplishes for the second time and separates.
When the mesh of filter screen 21 is stopped up by machine oil or impurity; The annular pass internal pressure raises; When reaching the decompression mechanism cracking pressure, diaphragm one 6 deformation and disengaging sealed department one 19a, pressure release passage 19 is communicated with; This moment, the mixed gas after initial gross separation flowed into intake manifold by pressure release passage 19, prevented too high gas leakage, the oil impregnate phenomenon of causing of crankcase pressure.After cleaning or changing filter screen 21, diaphragm 1 is resisted against on sealed department one 19a at diaphragm one 6 middle parts under the elastic force effect of spring 1 once more, and then by pressure release passage 19.
Cross when low when crankcase pressure, cause cavity 16 internal pressures to reduce, diaphragm 24 under atmospheric effect, deformation takes place and the center moves downward, and is resisted against on the end face of conduit 3, and then ends exhaust passage 15, prevents that crankcase is from intake manifold suck-back gas.When crankcase pressure returned to normal value, diaphragm 24 is disengaging conduit 3 under the effect of spring 25, and exhaust passage 15 is communicated with again.
Embodiment two
Present embodiment is basic identical with embodiment one structure and principle; Different place is: as shown in Figure 6; Decompression mechanism comprises the ball core 81 that is positioned at pressure release passage 19 and is positioned at sealed department two 19b on pressure release passage 19 sidewalls; Be provided with between ball core 81 and the base 11 and can ball core 81 be pressed on the spring 3 82 on sealed department two 19b, an end of spring 3 82 is resisted against on the base 11, and the other end links to each other with ball core 81.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used housing 1 morely; Base 11; Cavity 11a; Ring rib 11b; Protruding 11c; Buffer cavity 11d; Communication passage 11e; Loam cake 12; Loam cake 12a; Gas channel 13; Joint 13a; Guide portion 13b; Oil drain passage 14; Exhaust passage 15; Cavity 16; Annular oil trap 1; Annular oil trap 2 18; Pressure release passage 19; Sealed department one 19a; Sealed department two 19b; Filter core 2; Filter screen 21; Support 22; Conduit 3; Diaphragm 24; Spring 25; Diaphragm 1; Spring 1; Ball core 81; Spring 3 82; Seal ring 9 terms such as grade, but do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.
Claims (9)
1. oil-gas separating device for engine; It is characterized in that; It comprises have cavity (16) housing (1) and be positioned at housing (1) inner cavity (16) and locate to be filter core cylindraceous (2), described filter core (2) two ends all link to each other with housing (1), described housing (1) is provided with the gas channel (13) that all is connected with cavity (16), oil drain passage (14) and exhaust passage (15); Described gas channel (13) port is positioned at cavity (16) side and place, bottom surface; The import of described oil drain passage (14) is positioned at described filter core (2) intracavity bottom place, and the import of described exhaust passage (15) is positioned at described filter core (2) top of chamber place, and described cavity (16) bottom has annular oil trap two (18); Described annular oil trap two (18) is positioned at filter core (2), and described oil drain passage (14) communicates with annular oil trap two (18).
2. oil-gas separating device for engine according to claim 1; It is characterized in that; Described gas channel (13) comprises joint (13a) and is connected the guide portion (13b) of joint (13a) with cavity (16) that described guide portion (13b) is tangent with the side of cavity (16).
3. oil-gas separating device for engine according to claim 1 and 2; It is characterized in that; Described cavity (16) sidewall is provided with a pressure release passage (19) that is communicated with cavity (16) and exhaust passage (15); Described housing (1) is provided with the decompression mechanism that can end pressure release passage (19), when the pressure of filter core (2) exocoel during greater than the pressure of exhaust passage (15) decompression mechanism can open automatically filter core (2) exocoel is connected with exhaust passage (15).
4. oil-gas separating device for engine according to claim 3; It is characterized in that; Described decompression mechanism comprises diaphragm and the sealed department one (19a) that is positioned at pressure release passage (19), and the outer rim of described diaphragm is fixed on the housing (1), and a side of described diaphragm one (6) is provided with and can the middle part, another side of diaphragm one (6) be pressed on the spring one (7) on the sealed department one (19a); One end of described spring one (7) is resisted against on the housing (1), and the other end is resisted against on the diaphragm one (6).
5. oil-gas separating device for engine according to claim 4 is characterized in that, the housing (1) of described diaphragm one (6) one side is provided with buffer cavity (11d), has on the described housing (1) to be communicated with communication passage (11e) extraneous and buffer cavity (11d).
6. oil-gas separating device for engine according to claim 3; It is characterized in that; Described decompression mechanism comprises the ball core (81) that is positioned at pressure release passage (19) and is positioned at the sealed department (19b) on pressure release passage (19) sidewall; Be provided with between ball core (81) and the housing (1) and can ball core (81) be pressed on the spring three (82) on the sealed department two (19b), an end of described spring three (82) is resisted against on the housing (1), and the other end links to each other with ball core (81).
7. according to claim 1 or 3 described oil-gas separating device for engine, it is characterized in that described filter core (2) end face place is provided with a diaphragm two (4), the outer rim of described diaphragm two (4) is fixed on the housing (1); Described housing (1) top has a side cavity and the extraneous through hole (12a) that communicates that makes diaphragm two (4); The opposite side of described diaphragm two (4) is provided with spring two (5); One end of described spring two (5) is resisted against on the diaphragm two (4), and the other end is resisted against on the housing (1); And during the pressure in the pressure in the cavity (16) is lower than exhaust passage (15), middle part, the another side of described diaphragm two (4) can be resisted against the inlet of exhaust passage (15).
8. oil-gas separating device for engine according to claim 1 and 2; It is characterized in that; Described housing (1) comprise have cavity (11a) base (11) and be positioned at the loam cake (12) of described cavity (11a) opening, described loam cake (12) snaps onto on the base (11).
9. oil-gas separating device for engine according to claim 1 and 2 is characterized in that, described filter core (2) comprises and be support cylindraceous (22) and be positioned at the filter screen (21) on support (22) outer wall that described support (22) two ends are fixed on the housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010546331A CN101988405B (en) | 2010-11-16 | 2010-11-16 | Oil-gas separator of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010546331A CN101988405B (en) | 2010-11-16 | 2010-11-16 | Oil-gas separator of engine |
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| Publication Number | Publication Date |
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| CN101988405A CN101988405A (en) | 2011-03-23 |
| CN101988405B true CN101988405B (en) | 2012-09-26 |
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| CN201010546331A Active CN101988405B (en) | 2010-11-16 | 2010-11-16 | Oil-gas separator of engine |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111120043A (en) * | 2019-12-31 | 2020-05-08 | 汉格斯特滤清系统(昆山)有限公司 | Oil-gas separator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3820675A1 (en) * | 1988-06-18 | 1989-12-21 | Porsche Ag | Oil filter for an internal combustion engine |
| CN2828332Y (en) * | 2005-09-22 | 2006-10-18 | 蚌埠滤清器有限责任公司 | Oil gas separator |
| CN101144407A (en) * | 2007-07-13 | 2008-03-19 | 东风汽车公司 | Gas-oil separator |
| KR20090042514A (en) * | 2007-10-26 | 2009-04-30 | 현대자동차주식회사 | A blow-over prevention structure for a vehicle engine's closed crankcase ventilation |
| CN201255029Y (en) * | 2008-07-24 | 2009-06-10 | 广西玉柴机器股份有限公司 | Oil-gas separator |
-
2010
- 2010-11-16 CN CN201010546331A patent/CN101988405B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3820675A1 (en) * | 1988-06-18 | 1989-12-21 | Porsche Ag | Oil filter for an internal combustion engine |
| CN2828332Y (en) * | 2005-09-22 | 2006-10-18 | 蚌埠滤清器有限责任公司 | Oil gas separator |
| CN101144407A (en) * | 2007-07-13 | 2008-03-19 | 东风汽车公司 | Gas-oil separator |
| KR20090042514A (en) * | 2007-10-26 | 2009-04-30 | 현대자동차주식회사 | A blow-over prevention structure for a vehicle engine's closed crankcase ventilation |
| CN201255029Y (en) * | 2008-07-24 | 2009-06-10 | 广西玉柴机器股份有限公司 | Oil-gas separator |
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Application publication date: 20110323 Assignee: Zhejiang Geely Luoyou Engine Co., Ltd. Assignor: Zhejiang Geely Automobile Research Institute Co., Ltd., Zhejiang Geely Holding Group Company Limited Contract record no.: 2013330000403 Denomination of invention: Oil scavenger for gas-oil separator of engine Granted publication date: 20120926 License type: Exclusive License Record date: 20131225 |
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