CN103696826B - A kind of deaerator of supercharged engine - Google Patents
A kind of deaerator of supercharged engine Download PDFInfo
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- CN103696826B CN103696826B CN201210368521.3A CN201210368521A CN103696826B CN 103696826 B CN103696826 B CN 103696826B CN 201210368521 A CN201210368521 A CN 201210368521A CN 103696826 B CN103696826 B CN 103696826B
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Abstract
The invention discloses a kind of deaerator of supercharged engine, comprise communicate successively oil-containing gases entrance, Oil-gas Separation passage, oil outlet and the first air outlet, described Oil-gas Separation passage is bonded by upper cover plate and lower cover plate and is formed, and described oil-containing gases entrance and oil outlet are located on lower cover plate; Described Oil-gas Separation passage is the U diminished gradually along fuel-air mixture flow direction cross-section area, Oil-gas Separation passage and oil-containing gases entrance are by the baffle for separating with through hole, this dividing plate back side is provided with the filter core just right with through hole, dividing plate front is provided with the first baffle plate near oil-containing gases entrance, dividing plate rear is provided with the second baffle of L shape, it offers the spill port flowing to oil outlet for machine oil, the Oil-gas Separation channel bottom being positioned at second baffle rear is provided with the oil-return groove flowing to oil outlet for machine oil.This deaerator can make Oil-gas Separation more thorough, improves separation effect, reduces oil consumption, improve emission performance, reduce installing space.
Description
Technical field
the invention belongs to technical field of automobile engine, be specifically related to a kind of deaerator of supercharged engine.
Background technique
Motor car engine has inflammable mixture in operation process and waste gas enters crankcase, and be dissolved in machine oil, make oil dilution, degradation, the pollutants such as the particle contained in waste gas mix with machine oil, and machine oil is gone bad, corrosion component; Engine running produces heat simultaneously, and machine oil volatilizees, and crankcase internal pressure increases, and machine oil can ooze out loss from crankcase oil seal etc., and machine oil loss can cause oil consumption excessive, and the steam that machine oil volatilization produces also can pollute air.Therefore, motor all adopts crankcase ventilation system to remove crankcase gas blowby, prevent machine oil from going bad, gradually lack consumption of lubricating oil, to reduce discharge etc.
At present, the deaerator in engine crankshaft ventilation system mainly contains following several:
The first, adopt the labyrinth type oil-gas separator that baffle plate is formed; This deaerator, in order to make good separating effect, needs more baffle plate, takes up room large, is unfavorable for Engine Downsizing and general arrangement; Meanwhile, baffle plate is more, and when high engine speeds operates, crankcase pressure is high, easily makes oil return not smooth.
Second: filer element type deaerator; Its mode by filtration is by machine oil and gas separaion, and the separation effect of this deaerator is low, and when the fuel-air mixture needing to be separated is more, Oil-gas Separation is thorough, and effect is bad.
3rd: cyclone type oil-gas separator; Its component contained are more, and dismounting process is complicated, and maintenance difficult is poor for applicability.
Summary of the invention
The object of this invention is to provide a kind of deaerator of supercharged engine, to make Oil-gas Separation more thorough, improve its separation effect, reduce oil consumption, improve emission performance, reduce installing space.
The deaerator of supercharged engine of the present invention, comprise communicate successively oil-containing gases entrance, Oil-gas Separation passage, oil outlet and the first air outlet, described Oil-gas Separation passage is bonded by upper cover plate and lower cover plate and is formed, and described oil-containing gases entrance and oil outlet are located on lower cover plate, described Oil-gas Separation passage is the U (being conducive to machine oil condensation backflow) diminished gradually along fuel-air mixture flow direction cross-section area, Oil-gas Separation passage and oil-containing gases entrance are by the baffle for separating with through hole, this dividing plate back side is provided with the filter core just right with through hole, dividing plate front is provided with the first baffle plate near oil-containing gases entrance, dividing plate rear is provided with the second baffle of L shape, the horizontal position of this second baffle is below filter core and be positioned at above oil outlet, it offers the spill port flowing to oil outlet for machine oil, the Oil-gas Separation channel bottom being positioned at second baffle rear is provided with the oil-return groove flowing to oil outlet for machine oil.Filter core and the first baffle plate, second baffle combine and carry out major part to fuel-air mixture and be separated, residue fraction fuel-air mixture is when the U diminished gradually by cross-section area, machine oil condenses, and flow back to oil outlet from oil-return groove, oil-gas separation efficiency can be improved, make separation more thorough simultaneously, reduce oil consumption, improve emission performance.
Further, in order to increase Oil-gas Separation path, the upper cover plate near the first air outlet is provided with the bypass tube of convolution, and this bypass tube communicates with Oil-gas Separation passage, and the gas after being separated can be discharged from the second air outlet of bypass tube.
Further, comparatively ideal oil gas separation can both be reached under various operating mode to make motor, prevent oil gas suck-back simultaneously, bypass tube and Oil-gas Separation expanding channels place are provided with pressure controlled valve, in the Oil-gas Separation passage near the first air outlet, be provided with the first one-way valve, in the bypass tube near the second air outlet, be provided with the second one-way valve.
Further, in order to prevent the machine oil flowed out from oil outlet from blowing back in deaerator, described oil outlet is connected with funnelform oil-discharging device.
Operationally, above-mentioned deaerator is fastened by bolts and is inclined and mounted in valve mechanism cover, the latter half part comparatively front half part high (be conducive to machine oil and flow to oil-return groove) of Oil-gas Separation passage, oil-containing gases entrance communicates with the oil-containing gases gas blowby mouth in valve mechanism cover, oil outlet communicates with the return opening in valve mechanism cover, first air outlet is connected with the intake manifold of supercharged engine, and the second air outlet is connected with suction tude before pressurized machine.
The present invention adopts filter core to combine with the first baffle plate, second baffle, and the U adopting cross-section area to diminish gradually carries out Oil-gas Separation to fuel-air mixture, make Oil-gas Separation more thorough, improve separation effect, reduce oil consumption, improve emission performance, reduce arrangement space, be conducive to Engine Downsizing and general arrangement; Bypass tube adds Oil-gas Separation path, also improves emission performance; The use of pressure controlled valve and first, second one-way valve, makes motor all reach comparatively ideal oil gas separation under various operating mode, and prevents oil gas suck-back; Deaerator is arranged in valve mechanism cover and uses, and dismounting is simple, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is axonometric drawing of the present invention.
Fig. 2 is internal structure schematic diagram of the present invention.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 be in the present invention air-fuel mixture gas flow to schematic diagram (arrow represent gas stream to).
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
The deaerator of supercharged engine as shown in Figure 1, Figure 2, Figure 3 shows, comprise communicate successively oil-containing gases entrance 10, Oil-gas Separation passage 16, oil outlet 13 and the first air outlet 14, oil outlet 13 is connected with funnelform oil-discharging device 12.Wherein,
Oil-gas Separation passage 16 is bond by upper cover plate 2 and lower cover plate 4 U diminished gradually along fuel-air mixture flow direction cross-section area formed, oil-containing gases entrance 10, oil outlet 13 and the first air outlet 14 are located on lower cover plate 4, Oil-gas Separation passage 16 is separated by the dividing plate 6 with multiple through hole 19 with oil-containing gases entrance 10, this dividing plate 6 back side is provided with the filter core 7 just right with multiple through hole 19, dividing plate 6 front is provided with the first baffle plate 17 of the L shape near oil-containing gases entrance 10, dividing plate 6 rear is provided with the second baffle 18 of L shape, dividing plate 6, first baffle plate 17 and second baffle 18 one-body molded, the vertical portion of the first baffle plate 17 is provided with the impingement plate 20 of a transverse direction, the horizontal position of second baffle 18 is below filter core 7 and be positioned at above oil outlet 13, the horizontal part of second baffle 18 offers the multiple spill ports 11 flowing to oil outlet 13 for machine oil, part spill port is positioned at immediately below filter core 7, another part spill port is near second baffle 18 vertical portion, the oil-return groove 9 flowing to oil outlet 13 for machine oil is provided with bottom the Oil-gas Separation passage 16 at second baffle 18 rear.Upper cover plate 2 near the first air outlet 14 is bonded with the bypass tube 3 of a convolution, this bypass tube 3 communicates with Oil-gas Separation passage 16, bypass tube 3 has the second air outlet 15, bypass tube 3 and Oil-gas Separation passage 16 joint are provided with pressure controlled valve 1, be provided with the first one-way valve 5 in Oil-gas Separation passage 16 near the first air outlet 14, in the bypass tube 3 near the second air outlet 15, be provided with the second one-way valve 8.
Operationally, above-mentioned deaerator is fastened by bolts and is inclined and mounted in valve mechanism cover, comparatively front half part is high for the latter half part of Oil-gas Separation passage 16, oil-containing gases entrance 10 communicates with the oil-containing gases gas blowby mouth in valve mechanism cover, oil outlet 13 communicates with the return opening in valve mechanism cover, first air outlet 14 is connected with the intake manifold of supercharged engine, and the second air outlet 15 is connected with suction tude before pressurized machine.
As shown in Figure 4, the present invention is when carrying out Oil-gas Separation:
First, fuel-air mixture from the oil-containing gases gas blowby mouth valve mechanism cover out after enter through oil-containing gases entrance 10, collide with the end face of upper cover plate 2, the first baffle plate 17 and impingement plate 20, carry out first Oil-gas Separation, make above a part of machine oil is attached to, condense into large oil droplet, be back to motor from oil-containing gases entrance 10.
Secondly, the fuel-air mixture after first Oil-gas Separation, through through hole 19, filters through filter core 7, carry out second time Oil-gas Separation, machine oil condenses into large particle oil droplet, then flows into oil outlet 13 from the spill port 11 be positioned at immediately below filter core 7, and enters motor by funnelform oil-discharging device 12 backflow.
Again, the vertical portion of the fuel-air mixture be not separated completely after second time Oil-gas Separation and second baffle 18 is collided, form oil droplet, then flow into oil outlet 13 from the spill port 11 near second baffle 18 vertical portion, and enter motor by funnelform oil-discharging device 12 backflow.
Then, not by the vertical portion of second baffle 18 from fuel-air mixture, the U diminished gradually by cross-section area, is had oil droplet condensation, and flows into oil outlet 13 by oil-return groove 9, and enters motor by funnelform oil-discharging device 12 backflow.
Finally, gas arrives pressure controlled valve 1, pressure controlled valve 1 is according to Stress control first one-way valve 5 of gas or the second one-way valve 8 opening/closing, when pressure is less than or equal to setting value, first one-way valve 5 is opened, and oil gas enters the intake manifold of supercharged engine, when pressure is greater than setting value through the first air outlet 14, second one-way valve 8 is opened, and second air outlet 15 of gas on bypass tube 3 enters suction tude before pressurized machine.
Claims (3)
1. the deaerator of a supercharged engine, comprise communicate successively oil-containing gases entrance (10), Oil-gas Separation passage (16), oil outlet (13) and the first air outlet (14), described Oil-gas Separation passage (16) is bonded by upper cover plate (2) and lower cover plate (4) and is formed, and described oil-containing gases entrance (10) and oil outlet (13) are located on lower cover plate (4), it is characterized in that: described Oil-gas Separation passage (16) is the U diminished gradually along fuel-air mixture flow direction cross-section area, Oil-gas Separation passage and oil-containing gases entrance (10) are separated by the dividing plate (6) with through hole (19), this dividing plate back side is provided with the filter core (7) just right with through hole, dividing plate front is provided with the first baffle plate (17) near oil-containing gases entrance (10), dividing plate rear is provided with the second baffle (18) of L shape, the horizontal position of this second baffle is below filter core and be positioned at above oil outlet, it offers the spill port (11) flowing to oil outlet (13) for machine oil, Oil-gas Separation passage (16) bottom being positioned at second baffle (18) rear is provided with the oil-return groove (9) flowing to oil outlet (13) for machine oil, upper cover plate (2) near the first air outlet (14) is provided with the bypass tube (3) of convolution, and this bypass tube communicates with Oil-gas Separation passage, and the gas after being separated can be discharged from second air outlet (15) of bypass tube.
2. the deaerator of supercharged engine according to claim 1, it is characterized in that: bypass tube (3) and Oil-gas Separation passage (16) joint are provided with pressure controlled valve (1), in the Oil-gas Separation passage near the first air outlet (14), be provided with the first one-way valve (5), in the bypass tube near the second air outlet (15), be provided with the second one-way valve (8).
3. the deaerator of supercharged engine according to claim 1 and 2, is characterized in that: described oil outlet (13) is connected with funnelform oil-discharging device (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210368521.3A CN103696826B (en) | 2012-09-28 | 2012-09-28 | A kind of deaerator of supercharged engine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210368521.3A CN103696826B (en) | 2012-09-28 | 2012-09-28 | A kind of deaerator of supercharged engine |
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| Publication Number | Publication Date |
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| CN103696826A CN103696826A (en) | 2014-04-02 |
| CN103696826B true CN103696826B (en) | 2015-10-07 |
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| CN201210368521.3A Active CN103696826B (en) | 2012-09-28 | 2012-09-28 | A kind of deaerator of supercharged engine |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065083B (en) * | 2015-08-12 | 2017-11-03 | 安徽江淮汽车集团股份有限公司 | A kind of gas-oil separation structure of engine |
| CN105065087B (en) * | 2015-08-12 | 2017-07-04 | 安徽江淮汽车集团股份有限公司 | A kind of integrated form gas oil separation structure |
| CN106593577B (en) * | 2016-12-27 | 2022-10-14 | 神通科技集团股份有限公司 | Fine separation structure of oil-gas separator |
| CN108180086B (en) * | 2017-12-27 | 2024-02-02 | 美嘉帕拉斯特汽车零部件（上海）有限公司 | Camshaft cover |
| CN107939479B (en) * | 2017-12-28 | 2024-02-02 | 美嘉帕拉斯特汽车零部件（上海）有限公司 | Oil-gas separation device |
| CN108825329A (en) * | 2018-08-10 | 2018-11-16 | 安徽凤凰滤清器股份有限公司 | Crankcase oils gas separating device and engine system |
| CN109595054B (en) * | 2018-12-10 | 2023-09-22 | 宁波赛铂睿特汽车部件有限公司 | Multi-level oil-gas separation device for automobile engine |
| CN112815076B (en) * | 2021-03-05 | 2023-02-24 | 重庆长安汽车股份有限公司 | Clutch oil discharge structure of hybrid electric vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200989227Y (en) * | 2006-11-17 | 2007-12-12 | 哈尔滨哈飞汽车工业集团有限公司 | Valve cover oil-gas separator |
| CN201635800U (en) * | 2010-01-29 | 2010-11-17 | 奇瑞汽车股份有限公司 | Oil and gas separating device of engine |
| DE102010042883A1 (en) * | 2009-10-28 | 2011-05-05 | Toyota Boshoku Kabushiki Kaisha, Kariya-shi | Oil mist separator for use at cylinder head cover of prime mover of vehicle, has housing comprising ports and passage, and gap formed between section of filter and upper wall of housing in proximity to proximal end of plate |
| KR101052771B1 (en) * | 2008-11-28 | 2011-08-01 | 쌍용자동차 주식회사 | Automobile cylinder head cover integrated ventilation device |
| CN202431328U (en) * | 2011-10-29 | 2012-09-12 | 长城汽车股份有限公司 | Oil-gas separation system with baffle boards |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090064096A (en) * | 2007-12-14 | 2009-06-18 | 현대자동차주식회사 | Oil seperator set |
| JP5223728B2 (en) * | 2009-02-27 | 2013-06-26 | トヨタ紡織株式会社 | Oil mist separator |
-
2012
- 2012-09-28 CN CN201210368521.3A patent/CN103696826B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200989227Y (en) * | 2006-11-17 | 2007-12-12 | 哈尔滨哈飞汽车工业集团有限公司 | Valve cover oil-gas separator |
| KR101052771B1 (en) * | 2008-11-28 | 2011-08-01 | 쌍용자동차 주식회사 | Automobile cylinder head cover integrated ventilation device |
| DE102010042883A1 (en) * | 2009-10-28 | 2011-05-05 | Toyota Boshoku Kabushiki Kaisha, Kariya-shi | Oil mist separator for use at cylinder head cover of prime mover of vehicle, has housing comprising ports and passage, and gap formed between section of filter and upper wall of housing in proximity to proximal end of plate |
| CN201635800U (en) * | 2010-01-29 | 2010-11-17 | 奇瑞汽车股份有限公司 | Oil and gas separating device of engine |
| CN202431328U (en) * | 2011-10-29 | 2012-09-12 | 长城汽车股份有限公司 | Oil-gas separation system with baffle boards |
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| CN103696826A (en) | 2014-04-02 |
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