CN105781780A - Cylinder head cover with high oil-gas separation efficiency - Google Patents
Cylinder head cover with high oil-gas separation efficiency Download PDFInfo
- Publication number
- CN105781780A CN105781780A CN201610024768.1A CN201610024768A CN105781780A CN 105781780 A CN105781780 A CN 105781780A CN 201610024768 A CN201610024768 A CN 201610024768A CN 105781780 A CN105781780 A CN 105781780A
- Authority
- CN
- China
- Prior art keywords
- oil
- gas separation
- gas
- cylinder head
- head cover
- 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.)
- Pending
Links
- 238000000926 separation method Methods 0.000 title claims abstract description 46
- 239000003921 oil Substances 0.000 claims abstract description 97
- 239000007789 gas Substances 0.000 claims description 74
- 239000004215 Carbon black (E152) Substances 0.000 claims description 18
- 229930195733 hydrocarbon Natural products 0.000 claims description 18
- 150000002430 hydrocarbons Chemical class 0.000 claims description 18
- 238000005266 casting Methods 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000000446 fuel Substances 0.000 claims description 3
- 239000010721 machine oil Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 239000010705 motor oil Substances 0.000 abstract description 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a cylinder head cover with the high oil-gas separation efficiency and belongs to the technical field of automobile engines. The cylinder head cover with the high oil-gas separation efficiency comprises a cylinder head cover shell body and an oil baffle plate. An air chamber and a PCV chamber are formed inside the cylinder head cover shell body. Oil-gas separation retaining walls are formed in the air chamber and the PCV chamber correspondingly. Oil-gas separation devices and oil-gas filter plates are arranged on the main surface, facing one side of the cylinder head cover shell body, of the oil baffle plate. Inlets and through oil falling holes are formed in the other main surface of the oil baffle plate, and the inlets communicate with the oil-gas separation devices. According to the cylinder head cover with the high oil-gas separation efficiency, the efficient oil-gas separation devices are additionally arranged, and the cylinder head cover can be used in modular and integrated design and is conveniently popularized in engines with similar displacement; and meanwhile, the development cost can be reduced, the oil-gas separation efficiency of oil-gas separation chambers of the engines can be improved by 22.8%, and the engine oil consumption rate of the engines is decreased.
Description
Technical field
The present invention relates to the technical field of automobile engine, it is more particularly related to a kind of valve mechanism cover with efficient oil-gas separation efficiency.
Background technology
In the prior art, air chamber and the PCV room of cylinder cover of engine only have better simply labyrinth structure, and oil-gas separation efficiency is low, and specific oil consumption is high, is difficult to meet the laws and regulations requirement of increasingly stringent, and later stage experimental stage needs many suboptimization.For in general Oil-gas Separation chamber design, the general quantity by increasing Oil-gas Separation screen plate (porous plate) and Oil-gas Separation barricade strengthens the effect of Oil-gas Separation, but analyzed by CFD and test discovery, oil-gas separation efficiency after increasing Oil-gas Separation screen plate and Oil-gas Separation barricade promotes and only small sometimes even reduces, it is impossible to solve the problem that specific oil consumption is higher.
Summary of the invention
In order to solve above-mentioned technical problem of the prior art, it is an object of the invention to provide a kind of valve mechanism cover with efficient oil-gas separation efficiency.
In order to realize foregoing invention purpose, present invention employs techniques below scheme:
A kind of valve mechanism cover with efficient oil-gas separation efficiency, including cylinder head cover housing and oil baffle, described cylinder head cover housing is formed with air chamber and PCV room in it, and described air chamber and PCV indoor are respectively formed with Oil-gas Separation barricade；Described oil baffle and described cylinder head cover housing are by riveting fixing thus forming the Oil-gas Separation passage of fuel feeding oxygen mixture flowing between described oil baffle and described cylinder head cover housing；It is characterized in that: described oil baffle is provided with gas and oil separating plant and hydrocarbon filter plate on the first type surface of described cylinder head cover housing side, another first type surface of described oil baffle is formed the entrance being communicated to described gas and oil separating plant, and is provided with the through oilhole that falls.
Wherein, the first type surface of described oil baffle is provided with the first and second long oil traps, be respectively arranged with in described first and second long oil traps multiple fall oilhole；It is arranged around the first hydrocarbon filter plate in the stage casing of described first long oil trap, is arranged around the second hydrocarbon filter plate in the stage casing of described second long oil trap；Terminal at described first long oil trap is arranged around the first gas and oil separating plant, it has been arranged around the second gas and oil separating plant, so that described first gas and oil separating plant and the second gas and oil separating plant are to angular distribution on described oil baffle in the front end of described second long oil trap.
Wherein, described hydrocarbon filter plate is the double-layer porous screen plate being made up of the first porous filter plate being parallel to each other and the second porous filter plate, and the hole bit interleave distribution of described first porous filter plate and the second porous filter plate.
Wherein, described gas and oil separating plant is by being used for clashing into oil gas and collecting the urceolus of machine oil and have the inner core of multiple hydrocarbon filter aperture and form, and offers oil gas vent on the perisporium of described urceolus upper end.
Wherein, described gas and oil separating plant and hydrocarbon filter plate are weldingly fixed on the first type surface of described oil baffle.
Wherein, described air chamber and PCV room and cylinder head cover housing integrally casting molding.
Wherein, a portion oilhole that falls is the oilhole that falls with check valve sheet.
Compared with prior art, the valve mechanism cover with efficient oil-gas separation efficiency of the present invention has the advantages that
1. improve the oil-gas separation efficiency 22.8% of engine oil gas split cavity, reduce the specific oil consumption of electromotor.
2. the high-efficiency oil-gas separating device increased, can be used for modularity and Integration Design, it is simple to promote in similar displacement engine, can reduce development cost simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cylinder head cover being cast with air chamber and PCV room of the present invention.
Fig. 2 is the structural representation after cylinder head cover housing and the oil baffle riveted joint of the present invention.
Fig. 3 is the structural representation in the oil baffle front of the present invention.
Fig. 4 is the structural representation of the gas and oil separating plant of the present invention.
Fig. 5 is oil baffle perspective view of the prior art.
Fig. 6 is the oil baffle perspective view of the present invention.
Fig. 7 is the PCV room CFD analyzing oil and gas movement locus schematic diagram of prior art.
Fig. 8 is the PCV room CFD analyzing oil and gas movement locus schematic diagram of the present invention.
The CFD that Fig. 9 is prior art analyzes pressure distribution schematic diagram.
The CFD that Figure 10 is the present invention analyzes pressure distribution schematic diagram.
Detailed description of the invention
Below with reference to specific embodiment, the valve mechanism cover with efficient oil-gas separation efficiency of the present invention is further elaborated, to help those skilled in the art that the inventive concept of the present invention, technical scheme are had more complete, accurate and deep understanding.
Embodiment 1
As shown in Figure 1-2, the valve mechanism cover with efficient oil-gas separation efficiency of the present embodiment includes cylinder head cover housing 1 and oil baffle 4.Be formed with air chamber 2 and PCV room 3 in described cylinder head cover housing 1 by casting technique, described air chamber and PCV indoor are cast with Oil-gas Separation barricade respectively.Described oil baffle 4 is connected fixing with described cylinder head cover housing 1 by rivet 6 thus forming the Oil-gas Separation passage of fuel feeding oxygen mixture flowing between described oil baffle 4 and described cylinder head cover housing 1.As shown in Figure 3, described oil baffle 4 is welded with gas and oil separating plant 5 and hydrocarbon filter plate 9 on the first type surface of described cylinder head cover housing 1 side, another first type surface of described oil baffle is formed with the entrance being communicated to described gas and oil separating plant, and it is provided with the through oilhole 8 that falls, and the oilhole that partly falls is the oilhole 8 that falls with check valve sheet.As shown in Figure 4, described gas and oil separating plant is by being used for clashing into oil gas and collecting the urceolus 10 of machine oil and have the inner core 11 of multiple hydrocarbon filter aperture and form, and offers oil gas vent on the perisporium of described urceolus upper end.Lines in the figure are the concrete path of oil gas: then first oil gas realize main Oil-gas Separation through the internal face of the aperture high velocity jet of inner core wall to urceolus 10 from entering into inner core internal face from the entrance of inner core 11 lower end in crankcase, the oil droplet separated is collected and is fallen along urceolus wall on oil baffle, then through on oil baffle with check valve sheet fall oilhole 7 and the oilhole 8 that falls returns in crankcase.Clashing into the space between inner core and urceolus again of the oil gas behind the outer tube inner wall face opposite side around jet apertures and enter into the Oil-gas Separation chamber of cylinder head cover from the outlet of urceolus, some Oil-gas Separation barricades that the oil-gas separation chamber indoor of cylinder head cover comprise cylinder head cover casting and the hydrocarbon filter plate 9 that is welded on oil baffle are for separation oil and gas.
Fig. 5 gives oil baffle plate structure of the prior art, and Fig. 6 is the oil baffle plate structure after the present embodiment improves.For the oil baffle of the present embodiment, its first type surface is provided with the first and second long oil traps, be respectively arranged with in described first and second long oil traps multiple fall oilhole；It is arranged around the first hydrocarbon filter plate in the stage casing of described first long oil trap, is arranged around the second hydrocarbon filter plate in the stage casing of described second long oil trap；Terminal at described first long oil trap is arranged around the first gas and oil separating plant, it has been arranged around the second gas and oil separating plant, so that described first gas and oil separating plant and the second gas and oil separating plant are to angular distribution on described oil baffle in the front end of described second long oil trap.And described hydrocarbon filter plate is the double-layer porous screen plate being made up of the first porous filter plate being parallel to each other and the second porous filter plate, and the hole bit interleave distribution of described first porous filter plate and the second porous filter plate.The oil baffle plate structure being respectively adopted the present embodiment shown in oil baffle of the prior art as shown in Figure 5 and Fig. 6 carries out CFD analysis, and respectively as shown in Figure 7 and Figure 8, pressure distribution is respectively as shown in Figure 9 and Figure 10 for its oil gas movement locus.Oil-gas separation efficiency and pressure drop that table 1 gives prior art (such as Fig. 5) and the present embodiment are as shown in table 1.
Table 1
| Prior art | The present embodiment | |
| Oil-gas separation efficiency/% | 44.03 | 66.85 |
| Pressure drop/Pa | 77.6 | 107.9 |
For the ordinary skill in the art; the present invention is simply exemplarily described by specific embodiment; the obvious present invention implements and is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that the design of the method for the present invention carries out with technical scheme; or the not improved design by the present invention and technical scheme directly apply to other occasion, all within protection scope of the present invention.
Claims (7)
1. there is a valve mechanism cover for efficient oil-gas separation efficiency, including: cylinder head cover housing and oil baffle, it is formed with air chamber and PCV room in described cylinder cover enclosure body, described air chamber and PCV indoor are respectively formed with Oil-gas Separation barricade；Described oil baffle and described cylinder head cover housing are by riveting fixing thus forming the Oil-gas Separation passage of fuel feeding oxygen mixture flowing between described oil baffle and described cylinder head cover housing；It is characterized in that: described oil baffle is provided with gas and oil separating plant and hydrocarbon filter plate on the first type surface of described cylinder head cover housing side, another first type surface of described oil baffle is formed the entrance being communicated to described gas and oil separating plant, and is provided with the through oilhole that falls.
2. the valve mechanism cover with efficient oil-gas separation efficiency according to claim 1, it is characterised in that: the first type surface of described oil baffle is provided with the first and second long oil traps, be respectively arranged with in described first and second long oil traps multiple fall oilhole；It is arranged around the first hydrocarbon filter plate in the stage casing of described first long oil trap, is arranged around the second hydrocarbon filter plate in the stage casing of described second long oil trap；Terminal at described first long oil trap is arranged around the first gas and oil separating plant, it has been arranged around the second gas and oil separating plant, so that described first gas and oil separating plant and the second gas and oil separating plant are to angular distribution on described oil baffle in the front end of described second long oil trap.
3. the valve mechanism cover with efficient oil-gas separation efficiency according to claim 1, it is characterized in that: described hydrocarbon filter plate is the double-layer porous screen plate being made up of the first porous filter plate being parallel to each other and the second porous filter plate, and the hole bit interleave distribution of described first porous filter plate and the second porous filter plate.
4. the valve mechanism cover with efficient oil-gas separation efficiency according to claim 1, it is characterized in that: described gas and oil separating plant is by being used for clashing into oil gas and collecting the urceolus of machine oil and have the inner core of multiple hydrocarbon filter aperture and form, and offers oil gas vent on the perisporium of described urceolus upper end.
5. the valve mechanism cover with efficient oil-gas separation efficiency according to claim 1, it is characterised in that: described gas and oil separating plant and hydrocarbon filter plate are weldingly fixed on the first type surface of described oil baffle.
6. the valve mechanism cover with efficient oil-gas separation efficiency according to claim 1, it is characterised in that: described air chamber and PCV room and cylinder head cover housing integrally casting molding.
7. the valve mechanism cover with efficient oil-gas separation efficiency according to claim 1, it is characterised in that: a portion oilhole that falls is the oilhole that falls with check valve sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610024768.1A CN105781780A (en) | 2016-01-14 | 2016-01-14 | Cylinder head cover with high oil-gas separation efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610024768.1A CN105781780A (en) | 2016-01-14 | 2016-01-14 | Cylinder head cover with high oil-gas separation efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105781780A true CN105781780A (en) | 2016-07-20 |
Family
ID=56403118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610024768.1A Pending CN105781780A (en) | 2016-01-14 | 2016-01-14 | Cylinder head cover with high oil-gas separation efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105781780A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109642483A (en) * | 2016-08-17 | 2019-04-16 | 株式会社利富高 | Oil separating device |
| CN118582392A (en) * | 2024-06-19 | 2024-09-03 | 珠海凌达压缩机有限公司 | Compressor front cover and compressor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020066424A1 (en) * | 1999-09-01 | 2002-06-06 | Fedorowicz Jeffrey A. | Flat low profile diesel engine crankcase ventilation filter |
| CN203655384U (en) * | 2013-11-11 | 2014-06-18 | 东风汽车公司 | Oil-gas separation structure of engine cylinder head cover |
| CN203906112U (en) * | 2014-06-19 | 2014-10-29 | 重庆小康工业集团股份有限公司 | Engine oil-gas separation cylinder head cover |
| CN204457940U (en) * | 2015-01-15 | 2015-07-08 | 阿尔特汽车技术股份有限公司 | Cylinder head cover labyrinth structure |
| CN105089741A (en) * | 2014-04-18 | 2015-11-25 | 比亚迪股份有限公司 | Engine and cylinder head cover assembly thereof |
| CN105114203A (en) * | 2015-08-12 | 2015-12-02 | 安徽江淮汽车股份有限公司 | Engine cylinder cover shield |
| CN205349543U (en) * | 2016-01-14 | 2016-06-29 | 阿尔特汽车技术股份有限公司 | Valve mechanism cover with high -efficient oil -gas separation efficiency |
-
2016
- 2016-01-14 CN CN201610024768.1A patent/CN105781780A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020066424A1 (en) * | 1999-09-01 | 2002-06-06 | Fedorowicz Jeffrey A. | Flat low profile diesel engine crankcase ventilation filter |
| CN203655384U (en) * | 2013-11-11 | 2014-06-18 | 东风汽车公司 | Oil-gas separation structure of engine cylinder head cover |
| CN105089741A (en) * | 2014-04-18 | 2015-11-25 | 比亚迪股份有限公司 | Engine and cylinder head cover assembly thereof |
| CN203906112U (en) * | 2014-06-19 | 2014-10-29 | 重庆小康工业集团股份有限公司 | Engine oil-gas separation cylinder head cover |
| CN204457940U (en) * | 2015-01-15 | 2015-07-08 | 阿尔特汽车技术股份有限公司 | Cylinder head cover labyrinth structure |
| CN105114203A (en) * | 2015-08-12 | 2015-12-02 | 安徽江淮汽车股份有限公司 | Engine cylinder cover shield |
| CN205349543U (en) * | 2016-01-14 | 2016-06-29 | 阿尔特汽车技术股份有限公司 | Valve mechanism cover with high -efficient oil -gas separation efficiency |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109642483A (en) * | 2016-08-17 | 2019-04-16 | 株式会社利富高 | Oil separating device |
| CN109642483B (en) * | 2016-08-17 | 2021-02-09 | 株式会社利富高 | oil separation device |
| CN118582392A (en) * | 2024-06-19 | 2024-09-03 | 珠海凌达压缩机有限公司 | Compressor front cover and compressor |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160720 |
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| RJ01 | Rejection of invention patent application after publication |