CN108506067B - Oil-gas separator of engine - Google Patents
Oil-gas separator of engine Download PDFInfo
- Publication number
- CN108506067B CN108506067B CN201810337413.7A CN201810337413A CN108506067B CN 108506067 B CN108506067 B CN 108506067B CN 201810337413 A CN201810337413 A CN 201810337413A CN 108506067 B CN108506067 B CN 108506067B
- Authority
- CN
- China
- Prior art keywords
- oil
- shell
- pipe
- gas separation
- separation spiral
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000000926 separation method Methods 0.000 claims abstract description 65
- 239000003921 oil Substances 0.000 claims description 56
- 238000007789 sealing Methods 0.000 claims description 24
- 239000010705 motor oil Substances 0.000 claims description 9
- 210000005239 tubule Anatomy 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an engine oil-gas separator which comprises a shell, an oil-gas separation spiral pipe, an air inlet pipe, an air outlet pipe and an oil return pipe, wherein the oil-gas separation spiral pipe is arranged in the shell, the air outlet pipe is arranged at the top of the shell, the air inlet pipe is connected with the bottom of the oil-gas separation spiral pipe, the air outlet pipe is connected with the top of the oil-gas separation spiral pipe, channels of the air inlet pipe and the air outlet pipe are isolated from an inner cavity of the shell, the channel of the oil return pipe is communicated with the inner cavity of the shell, and an oil leakage hole communicated with the inner cavity of the shell is formed in the lower side surface of the oil-gas separation spiral pipe. The engine oil-gas separator is reasonable in structure, and the oil-gas separation spiral pipe is arranged in the shell, so that the length of a flow channel of oil gas is prolonged as much as possible in a limited arrangement space of the shell, the adsorption area and length of oil drops are increased, and the oil-gas separation effect is improved.
Description
[ Field of technology ]
The invention relates to the technical field of fuel engines, in particular to an engine oil-gas separator.
[ Background Art ]
When the automobile engine works, part of exhaust gas can be discharged into the crankcase through the piston rings, the part of exhaust gas is subjected to oil-gas separation by the crankcase ventilation system, the separated gas enters the combustion chamber from the engine air inlet system and is combusted again, and the separated engine oil flows back to the oil pan from the oil return channel of the crankcase ventilation system. At present, the common structural style of the oil-gas separation device of the crankcase ventilation system is a partition type labyrinth, and one or more oil return channels are arranged at the rear end of the oil-gas separation device. However, the oil-gas separation device in the form has high design requirement and low separation efficiency, and the oil gas which is not separated directly enters a combustion chamber to be combusted, so that the consumption of engine oil is increased, and the emission is increased. The development of high performance oil and gas separators is increasingly important today where emission regulations are becoming more stringent. In order to improve the separation efficiency of the oil-gas separation device, it is necessary to provide an engine oil-gas separator.
[ Invention ]
The invention aims to overcome the defects of the prior art, and provides an engine oil-gas separator, which aims to solve the technical problems that in the prior art, the separation efficiency of an oil-gas separation device is low, and oil gas which is not separated directly enters a combustion chamber to be combusted, so that the consumption of engine oil is increased and the emission is aggravated.
In order to achieve the above purpose, the invention provides an engine oil-gas separator which comprises a shell, an oil-gas separation spiral pipe, an air inlet pipe, an air outlet pipe and an oil return pipe, wherein the oil-gas separation spiral pipe is arranged in the shell, the air outlet pipe is arranged at the top of the shell, the air inlet pipe is connected with the bottom of the oil-gas separation spiral pipe, the air outlet pipe is connected with the top of the oil-gas separation spiral pipe, channels of the air inlet pipe and the air outlet pipe are isolated from an inner cavity of the shell, the channel of the oil return pipe is communicated with the inner cavity of the shell, and an oil leakage hole communicated with the inner cavity of the shell is formed in the lower side surface of the oil-gas separation spiral pipe.
Preferably, the oil-gas separation spiral pipe is vertically arranged in the shell, and oil leakage holes in the oil-gas separation spiral pipe are uniformly formed along the spiral direction of the oil-gas separation spiral pipe.
Preferably, the pitch of the oil-gas separation spiral pipe is slightly larger than the outer diameter of the oil-gas separation spiral pipe.
Preferably, the tail end of the oil-gas separation spiral pipe is provided with an upward protruding bent pipe part.
Preferably, a filter screen is further arranged at the bottom of the inner cavity of the shell, and the filter screen is positioned above the oil return pipe.
Preferably, the bottom of the shell is provided with a conical surface which inclines downwards towards the oil return pipe and contracts.
Preferably, the side of the shell is provided with a sealing cover plate, the sealing cover plate is fixedly connected with the shell through a plurality of fastening screws, the edge of the inner side surface of the sealing cover plate is provided with a sealing strip, and the sealing cover plate is in sealing connection with the shell through the sealing strip.
Preferably, the top of the shell is also provided with an air return thin tube, two ends of the air return thin tube are respectively communicated with the inner cavity of the shell and the air outlet pipe channel, and the top of the inner cavity of the shell is also provided with a filter disc.
Preferably, the periphery of the shell is provided with a plurality of fixing brackets for fixing, and each fixing bracket is provided with one or a plurality of kidney-shaped holes.
The invention has the beneficial effects that: compared with the prior art, the engine oil-gas separator provided by the invention has a reasonable structure, the oil-gas separation spiral pipe is arranged in the shell, so that the length of a flow channel of oil gas is prolonged as much as possible in a limited arrangement space of the shell, the oil gas spirally circulates in the oil-gas separation spiral pipe from bottom to top, oil drops in air flow are adsorbed to the upper side wall of the oil-gas separation spiral pipe and finally drop, the adsorption area and the length of the oil drops are increased, the oil-gas separation effect is improved, the separated oil flows out into a cavity of the shell through the oil leakage hole, is separated from the air flow containing the oil drops in the oil-gas separation spiral pipe, and finally flows into the oil return pipe, and the air separated from the oil drops flows out through the air outlet pipe.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ Description of the drawings ]
FIG. 1 is a schematic view of an engine oil separator according to an embodiment of the present invention;
FIG. 2 is a schematic view showing an internal structure of an engine oil separator according to an embodiment of the present invention;
FIG. 3 is a bottom partial schematic view of an embodiment of the oil and gas separation coil of the present invention.
In the figure: 1-shell, 11-sealing cover plate, 12-fastening screw, 13-sealing strip, 2-oil-gas separation spiral pipe, 21-oil leakage hole, 3-air inlet pipe, 4-air outlet pipe, 5-oil return pipe, 6-filter screen, 7-air return tubule, 8-filter disc, 9-fixed support and 91-kidney-shaped hole.
[ Detailed description ] of the invention
The present invention will be further described in detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
Referring to fig. 1 to 3, an embodiment of the invention provides an engine oil-gas separator, which comprises a shell 1, an oil-gas separation spiral pipe 2, an air inlet pipe 3, an air outlet pipe 4 and an oil return pipe 5, wherein the oil-gas separation spiral pipe 2 is arranged in the shell 1, the air outlet pipe 4 is arranged at the top of the shell 1, the air inlet pipe 3 and the oil return pipe 5 are arranged at the bottom of the shell, the air inlet pipe 3 is connected with the bottom of the oil-gas separation spiral pipe 2, the air outlet pipe 4 is connected with the top of the oil-gas separation spiral pipe 2, channels of the air inlet pipe 3 and the air outlet pipe 4 are isolated from an inner cavity of the shell 1, the channel of the oil return pipe 5 is communicated with the inner cavity of the shell 1, and an oil leakage hole 21 communicated with the inner cavity of the shell 1 is formed in the lower side surface of the oil-gas separation spiral pipe 2.
Further, the oil-gas separation spiral pipe 2 is vertically arranged in the shell 1, oil leakage holes 21 on the oil-gas separation spiral pipe 2 are uniformly formed along the spiral direction of the oil-gas separation spiral pipe 2, and the pitch of the oil-gas separation spiral pipe 2 is slightly larger than the outer diameter of the oil-gas separation spiral pipe 2. The air flow circulates in the oil-gas separation spiral pipe 2 from bottom to top in a spiral way, oil drops in the air flow are adsorbed on the upper side wall of the oil-gas separation spiral pipe 2, the more the oil drops are dropped, the dropped oil drops flow out from the oil leakage holes 21 into the inner cavity of the shell 1, and finally flow into the oil return pipe 5.
Further, the bottom of the inner cavity of the shell 1 is also provided with a filter screen 6, the filter screen 6 is positioned above the oil return pipe 5, separated oil drops contain partial impurities, and the influence of the impurities on the engine is greatly reduced through the filtering effect of the filter screen 6, so that the service life of the engine is prolonged.
In the embodiment of the invention, the bottom of the shell 1 is provided with a conical surface which inclines downwards to the oil return pipe 5 and contracts, and the bottom of the shell 1 which inclines downwards to the oil return pipe 5 is used for assisting in converging oil drops.
Further, a sealing cover plate 11 is arranged on the side face of the shell 1, the sealing cover plate 11 is fixedly connected with the shell 1 through a plurality of fastening screws 12, a sealing strip 13 is arranged at the edge of the inner side face of the sealing cover plate 11, and the sealing cover plate 11 is in sealing connection with the shell 1 through the sealing strip 13. Through the removability of the sealing cover plate 11, the interior of the shell 1 can be cleaned regularly, or parts such as the filter screen 6 can be replaced, thereby being beneficial to improving the oil-gas separation efficiency.
Furthermore, the top of the shell 1 is also provided with an air return tubule 7, two ends of the air return tubule 7 are respectively communicated with the inner cavity of the shell 1 and the channel of the air outlet pipe 4, and the top of the inner cavity of the shell 1 is also provided with a filter disc 8. Because the oil leakage hole 21 is arranged on the oil-gas separation spiral pipe 2, a small part of air flow can flow downwards from the oil leakage hole 21 into the inner cavity of the shell 1, and the part of air flow can flow back into the air outlet pipe 4 from the air return thin pipe 7 after being filtered by the filter disc 8.
In the embodiment of the present invention, a plurality of fixing brackets 9 for fixing are provided on the outer circumference of the housing 1, and one or more kidney-shaped holes 91 are provided on each fixing bracket 9.
The oil-gas separator of the engine is reasonable in structure, the oil-gas separation spiral pipe 2 is arranged in the shell 1, the length of a flow channel of oil gas is prolonged as much as possible in a limited arrangement space of the shell 1, the oil gas spirally circulates in the oil-gas separation spiral pipe 2 from bottom to top, oil drops in air flow are adsorbed on the upper side wall of the oil-gas separation spiral pipe 2 and finally drop, the adsorption area and the length of the oil drops are increased, the oil-gas separation effect is improved, the separated oil flows out into a cavity of the shell 1 through the oil leakage hole 21, is separated from the air flow containing the oil drops in the oil-gas separation spiral pipe 2, finally flows into the oil return pipe 5, and the air separated from the oil drops flows out through the air outlet pipe 4.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the invention.
Claims (5)
1. An engine oil-gas separator, characterized in that: the oil-gas separation spiral pipe comprises a shell (1), an oil-gas separation spiral pipe (2), an air inlet pipe (3), an air outlet pipe (4) and an oil return pipe (5), wherein the oil-gas separation spiral pipe (2) is arranged in the shell (1), the air outlet pipe (4) is arranged at the top of the shell (1), the air inlet pipe (3) is connected with the bottom of the oil-gas separation spiral pipe (2), the air outlet pipe (4) is connected with the top of the oil-gas separation spiral pipe (2), channels of the air inlet pipe (3) and the air outlet pipe (4) are isolated from an inner cavity of the shell (1), the channels of the oil return pipe (5) are communicated with the inner cavity of the shell (1), an oil leakage hole (21) communicated with the inner cavity of the shell (1) is formed in the lower side surface of the oil-gas separation spiral pipe (2), a filter screen (6) is further arranged at the bottom of the inner cavity of the shell (1) and above the oil return pipe (5), the bottom of the shell (1) is arranged to be inclined downwards to the oil return pipe (5) and is inclined downwards, the shell (1) is tightly connected with a plurality of sealing cover plates (11) through a plurality of sealing cover plates (11), the sealing cover plate (11) is provided with a sealing strip (13) at the edge of the inner side surface, the sealing cover plate (11) is in sealing connection with the shell (1) through the sealing strip (13), the top of the shell (1) is also provided with an air return tubule (7), two ends of the air return tubule (7) are respectively communicated with an inner cavity of the shell (1) and a channel of an air outlet pipe (4), and a filter disc (8) is further arranged at the top of the inner cavity of the shell (1).
2. An engine oil separator as set forth in claim 1 wherein: the oil-gas separation spiral pipe (2) is vertically arranged in the shell (1), and oil leakage holes (21) on the oil-gas separation spiral pipe (2) are uniformly formed along the spiral direction of the oil-gas separation spiral pipe (2).
3. An engine oil separator as claimed in claim 1 or 2, wherein: the pitch of the oil-gas separation spiral pipe (2) is slightly larger than the outer diameter of the oil-gas separation spiral pipe (2).
4. An engine oil separator as claimed in claim 1 or 2, wherein: the tail end of the oil-gas separation spiral pipe (2) is provided with an upward protruding bent pipe part.
5. An engine oil separator as set forth in claim 1 wherein: the periphery of the shell (1) is provided with a plurality of fixing brackets (9) for fixing, and each fixing bracket (9) is provided with one or a plurality of kidney-shaped holes (91).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810337413.7A CN108506067B (en) | 2018-04-16 | 2018-04-16 | Oil-gas separator of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810337413.7A CN108506067B (en) | 2018-04-16 | 2018-04-16 | Oil-gas separator of engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108506067A CN108506067A (en) | 2018-09-07 |
| CN108506067B true CN108506067B (en) | 2024-04-19 |
Family
ID=63382377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810337413.7A Active CN108506067B (en) | 2018-04-16 | 2018-04-16 | Oil-gas separator of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108506067B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20320632U1 (en) * | 2003-05-05 | 2004-11-25 | Dichtungstechnik G. Bruss Gmbh & Co. Kg | Oil separation unit for blow by gas of an internal combustion engine comprises a separator element with at least one passage in the form of a long narrow gap whose width is alterable |
| CN201308793Y (en) * | 2008-10-07 | 2009-09-16 | 浙江方圆机电设备制造有限公司 | Detachable type oil-gas separator |
| CN101537266A (en) * | 2009-03-23 | 2009-09-23 | 中国海洋石油总公司 | Oil-water separation method and device |
| CN102220892A (en) * | 2011-05-30 | 2011-10-19 | 常州常瑞天力动力机械有限公司 | Gas-oil separating device used for engine shaft housing |
| CN203024518U (en) * | 2012-12-13 | 2013-06-26 | 广东美的电器股份有限公司 | Oil separator and air conditioner outdoor unit |
| CN205577968U (en) * | 2015-10-30 | 2016-09-14 | 李睿 | Oil -gas separator |
| CN208310870U (en) * | 2018-04-16 | 2019-01-01 | 浙江创格科技有限公司 | A kind of oil-gas separating device for engine |
-
2018
- 2018-04-16 CN CN201810337413.7A patent/CN108506067B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20320632U1 (en) * | 2003-05-05 | 2004-11-25 | Dichtungstechnik G. Bruss Gmbh & Co. Kg | Oil separation unit for blow by gas of an internal combustion engine comprises a separator element with at least one passage in the form of a long narrow gap whose width is alterable |
| CN201308793Y (en) * | 2008-10-07 | 2009-09-16 | 浙江方圆机电设备制造有限公司 | Detachable type oil-gas separator |
| CN101537266A (en) * | 2009-03-23 | 2009-09-23 | 中国海洋石油总公司 | Oil-water separation method and device |
| CN102220892A (en) * | 2011-05-30 | 2011-10-19 | 常州常瑞天力动力机械有限公司 | Gas-oil separating device used for engine shaft housing |
| CN203024518U (en) * | 2012-12-13 | 2013-06-26 | 广东美的电器股份有限公司 | Oil separator and air conditioner outdoor unit |
| CN205577968U (en) * | 2015-10-30 | 2016-09-14 | 李睿 | Oil -gas separator |
| CN208310870U (en) * | 2018-04-16 | 2019-01-01 | 浙江创格科技有限公司 | A kind of oil-gas separating device for engine |
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| Publication number | Publication date |
|---|---|
| CN108506067A (en) | 2018-09-07 |
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Address after: 311800 No. 32 Millennium Road, Tao Zhu street, Zhuji, Shaoxing, Zhejiang Applicant after: Zhejiang Chuangge Technology Co.,Ltd. Address before: 311800 No. 32 Millennium Road, Tao Zhu street, Zhuji, Shaoxing, Zhejiang Applicant before: ZHEJIANG CHUANGGE TECHNOLOGY Co.,Ltd. |
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