CN101624929A - Oil-gas separator of engine and crankcase ventilation system - Google Patents
Oil-gas separator of engine and crankcase ventilation system Download PDFInfo
- Publication number
- CN101624929A CN101624929A CN200910104493A CN200910104493A CN101624929A CN 101624929 A CN101624929 A CN 101624929A CN 200910104493 A CN200910104493 A CN 200910104493A CN 200910104493 A CN200910104493 A CN 200910104493A CN 101624929 A CN101624929 A CN 101624929A
- Authority
- CN
- China
- Prior art keywords
- oil
- gas
- disengagement chamber
- separating
- deaerator
- 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
Images
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention provides an oil-gas separator of an engine, which is formed by connecting an upper shell and a lower shell into a whole, a separating cavity is formed between the upper shell and the lower shell, a gas outlet pipe is connected with the top of the separating cavity, and an engine oil outlet is connected with the bottom of the separating cavity. The separating cavity is separated into at least two parallel small separating cavities which share a same wall, the upper part of each small separating cavity is in the shape of a vertical tube, and the lower part of each small separating cavity is in the shape of a conical tube which is shrunken downwards gradually; a gas mixture inlet is arranged at the side wall of the vertical tube part at the upper part of each small separating cavity and is jointed up in a beveling way. The invention adopts the structure form that a common big oil-gas separating cavity is designed into a plurality of parallel small separating cavities, the gas mixture comes into a plurality of oil-gas separating cavities to move centrifugally, and air flows respectively rotate in the oil-gas separating cavities spirally to separate oil from gas, thereby improving the oil-gas separating effect without increasing the overall size of the oil-gas separator.
Description
Technical field
The present invention relates to the deaerator in a kind of engine crankcase.
Background technique
Along with development of science and technology, big discharge capacity high-speed gasoline engine is more and more higher to the requirement of emission request, specific power, bursting pressure, and the crankcase ventilation system of vehicular engine has the restriction of enclosed space, and the exhaust gas cleaning degree of petrol engine is had higher requirement.The gas oil separation structure of existing engine crankshaft ventilation system adopts mazy type more and is integrated in the cylinder head, mixed gas stops by maze partition plates, the passive separation oil and gas of energy, but can produce bigger power loss, Oil-gas Separation efficient is not high, and this need just to propose the higher force ventilated deaerator of enclosed of a kind of Oil-gas Separation efficient.
The patent No. is that the patent document of ZL 200620110495.4 discloses the deaerator in a kind of engine crankshaft ventilation system.With reference to Fig. 1, the shell of this deaerator is to be combined into by upper shell 52, lower shell body 56, combi inlet port 51 is positioned at the side of upper shell 52, gas outlet 54 is arranged on the top of upper shell 52, machine oil outlet 55 is provided with eddy flow guide plate 53 over against combi inlet port 51 in the bottom of lower shell body 56 in housing.Mixed gas enters cavity through deaerator import 51 and does centrifugal motion, and air-flow is type rotation separation oil and gas in the shape of a spiral, and isolated gas is flowed out by gas outlet 54, and isolated machine oil passes back into oil pan by machine oil outlet 55.This structure is owing to adopted the form of a whole cavity, under the situation of same air inflow, the cavity volume design is too little, can not satisfy the air inflow requirement, if cavity design gets too big, can reduce air-flow velocity again, influence separating effect, so still there is the not high enough defective of Oil-gas Separation efficient in this structure.
Summary of the invention
The objective of the invention is to problem, the deaerator in a kind of engine crankcase is provided, to improve Oil-gas Separation efficient at the prior art existence.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is as follows:
This deaerator adopts upper shell and lower shell body to connect as one formation, forms disengagement chamber in the middle of upper shell and the lower shell body, and the top of disengagement chamber is connected to steam outlet pipe, and the bottom of disengagement chamber is connected to the machine oil outlet.Described disengagement chamber is separated into the little disengagement chamber of at least two arranged side by side and common walls, the top of each little disengagement chamber is straight tubular, the conically shaped of bottom for dwindling downwards gradually, mixed gas inlet is arranged on the sidewall of each straight cylindrical portion in little separation top, inserts in the mode of cutting sth. askew.
The crankcase ventilation system that uses above-mentioned deaerator is such, termination valve mechanism cover before the mixed gas inlet of deaerator, mixed gas enters the Oil-gas Separation chamber, after the little disengagement chamber of in deaerator each separates, gas makes progress away, and machine oil is towards dirty, and isolated gas passes through the intake manifold of the steam outlet pipe at top through pressure regulator valve sending and receiving motivation, burn once more, isolated machine oil is back to oil pan through the machine oil outlet.
For the deaerator of vortex type, under the situation that equates air inflow, the Oil-gas Separation efficient of a plurality of disengagement chambers is than the Oil-gas Separation efficient height of a disengagement chamber, and the structure size of disengagement chamber should be according to the flow of mixed gas, and gas pressure is designed.Simultaneously, for the deaerator of a disengagement chamber is under the constant situation of air inflow, the volume that increases disengagement chamber can not improve Oil-gas Separation efficient, this be because excessive increase the volume of disengagement chamber mixed gas formed air whirl flow velocity in disengagement chamber is reduced, the centrifugal force deficiency can reduce Oil-gas Separation efficient on the contrary.Therefore, the present invention has adopted a plurality of little disengagement chamber structural types arranged side by side that are designed to a common big Oil-gas Separation chamber, the import of mixed gas by deaerator enters a plurality of little Oil-gas Separation chambeies and does centrifugal motion, air-flow is type rotation separation oil and gas in the shape of a spiral in the Oil-gas Separation chamber respectively, like this, under the situation that does not increase the deaerator overall volume, more can effectively improve Oil-gas Separation efficient.
Description of drawings
Fig. 1 is the structural representation of the described deaerator of patent in the background technique.
Fig. 2 is the general structure schematic representation of this deaerator.
Fig. 3 is the structural representation of upper shell.
Fig. 4 is the structural representation of lower shell body.
Fig. 5 is the sectional view of this deaerator.
Fig. 6 is the layout of general plan of this deaerator in engine crankshaft ventilation system.
Embodiment
As Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, the shell of this deaerator is to be combined into by upper shell 1, lower shell body 3, and two cylindrical cavities are arranged respectively in upper shell and the lower shell body, and the cylindrical cavity in the upper shell is corresponding one by one with the cylindrical cavity of lower shell body.Upper and lower casing is assembled together and forms two little Oil-gas Separation chambeies 10.Little disengagement chamber top is straight tubular, the conically shaped of bottom for dwindling downwards gradually; Two cylindrical cavity tops at upper shell communicate.Steam outlet pipe 2 is positioned at the upper shell top, and its inner hollow is communicated with the cavity of upper shell.Two cylindrical cavity bottoms in the lower shell body are communicated with.Machine oil pipe 6 is positioned at the bottom of lower shell body 3, and its inner hollow is communicated with the bottom of lower shell body.Mixed gas inlet 4 is positioned at the sidewall of the straight cylindrical portion of disengagement chamber, inserts each little disengagement chamber respectively in the mode of cutting sth. askew.Upper and lower casing can be fixed by the form of welding.This deaerator by the position structure on the lower shell body 37 by being bolted on the engine body.
For improving the Placement of upper and lower casing, can adopt the high frequency weldering.As Fig. 2 and shown in Figure 4, all have the annular groove 9 of depression on 3 liang of mating faces of deaerator upper shell 1 and lower shell body.As shown in Figure 5, in upper and lower casing is assembled together two annular grooves, 9 formed concave surfaces, toroidal inductive ring 8 is installed.Inductance loop 8 is generally materials such as iron, aluminium, stainless steel.This deaerator is by the high frequency welding upper and lower casing to be welded as a whole.
As shown in Figure 6, the layout of this deaerator 12 in crankcase ventilation system is termination valve mechanism cover 11 before the combi inlet port, mixed gas is after separate in deaerator two Oil-gas Separation chambeies, wherein isolated gas taps into the gas manifold by steam outlet pipe 2 through pressure regulator valve 14 and burns once more, and isolated machine oil is back to oil pan 13 through machine oil outlet 6.16 is air-strainer among the figure, the 15th, and throttle body.
Claims (3)
1. an oil-gas separating device for engine comprises upper shell (1) and lower shell body (3), and upper shell (1) and lower shell body (3) connect as one, the middle disengagement chamber that forms, and the top of disengagement chamber is connected to steam outlet pipe (2), and the bottom of disengagement chamber is connected to machine oil outlet (6); It is characterized in that described disengagement chamber is arranged side by side and little disengagement chamber (10) formation wall altogether by at least two, described little disengagement chamber top is straight tubular, the conically shaped of bottom for dwindling downwards gradually; On the sidewall of the straight tubular score in the top of each little disengagement chamber, cut sth. askew and be connected to mixed gas inlet (4).
2. according to the described deaerator of claim 1, it is characterized in that the connection part of described upper and lower casing is provided with corresponding circular pit (9), perception ring (8) is housed in circular pit (9), upper and lower casing adopts the high frequency weldering to connect.
3. crankcase ventilation system that uses claim 1 or 2 described deaerators, it is characterized in that, the preceding termination valve mechanism cover of mixed gas inlet (4) (11) of described deaerator (12), after mixed gas each little disengagement chamber in deaerator separates, wherein isolated gas taps into the gas manifold by steam outlet pipe (2) through pressure regulator valve (14) and burns once more, and isolated machine oil is back to oil pan (13) through machine oil outlet (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910104493A CN101624929A (en) | 2009-07-30 | 2009-07-30 | Oil-gas separator of engine and crankcase ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910104493A CN101624929A (en) | 2009-07-30 | 2009-07-30 | Oil-gas separator of engine and crankcase ventilation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101624929A true CN101624929A (en) | 2010-01-13 |
Family
ID=41520896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910104493A Pending CN101624929A (en) | 2009-07-30 | 2009-07-30 | Oil-gas separator of engine and crankcase ventilation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101624929A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251828A (en) * | 2011-07-25 | 2011-11-23 | 奇瑞汽车股份有限公司 | Independent external-hanging engine gas and oil separator |
| CN102588041A (en) * | 2012-02-27 | 2012-07-18 | 长城汽车股份有限公司 | Gas-oil separator |
| CN102678228A (en) * | 2012-05-31 | 2012-09-19 | 潍柴动力股份有限公司 | Oil and gas separation device |
| CN107044313A (en) * | 2017-06-05 | 2017-08-15 | 福州赛孚玛尼环保科技有限公司 | Miniature oil filter and cleaning method |
-
2009
- 2009-07-30 CN CN200910104493A patent/CN101624929A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251828A (en) * | 2011-07-25 | 2011-11-23 | 奇瑞汽车股份有限公司 | Independent external-hanging engine gas and oil separator |
| CN102588041A (en) * | 2012-02-27 | 2012-07-18 | 长城汽车股份有限公司 | Gas-oil separator |
| CN102678228A (en) * | 2012-05-31 | 2012-09-19 | 潍柴动力股份有限公司 | Oil and gas separation device |
| CN102678228B (en) * | 2012-05-31 | 2014-05-28 | 潍柴动力股份有限公司 | Oil and gas separation device |
| CN107044313A (en) * | 2017-06-05 | 2017-08-15 | 福州赛孚玛尼环保科技有限公司 | Miniature oil filter and cleaning method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100366885C (en) | Inlet duct | |
| CN100529425C (en) | Compressor and inlet separation system | |
| JP5739589B2 (en) | Circulation system for separating and removing bubbles in liquid | |
| US10155188B2 (en) | Oil separator, and compressor provided with same | |
| US20080179227A1 (en) | Bubble separator | |
| CN201351587Y (en) | Gas-oil separating cylinder used for air compressor | |
| CN101624929A (en) | Oil-gas separator of engine and crankcase ventilation system | |
| CN202023610U (en) | Centrifugal oil-gas separator of heavy-duty diesel engine | |
| CN101385924A (en) | Oil-gas separator | |
| CN101368499B (en) | Engine gas-oil separator and method thereof | |
| CN2856434Y (en) | Cyclone centrifugal breather | |
| CN201554526U (en) | Oil gas separation device in engine crankcase | |
| CN109236658A (en) | A kind of gs-oil separator | |
| CN102027206A (en) | Separator for crank housing ventilation of an internal combustion engine | |
| KR101251498B1 (en) | Oil Separator Typed Cyclone | |
| JP2008073606A (en) | Air bubble separator | |
| CN203848573U (en) | Multiple separation type oil separator used for refrigerating system | |
| CN108671638A (en) | A kind of automobile air conditioner compressor postposition gas separator | |
| CN108252915A (en) | A kind of centrifugal oil-air separator | |
| CN203742707U (en) | Oil-gas separation structure for automobile engine crank case | |
| CN201635799U (en) | Engine cylinder cover hood integrated with oil gas structure and crankcase ventilating system | |
| CN202520397U (en) | Oil and fog separating device of waste gas of engine | |
| CN201603627U (en) | Cyclone oil-gas separator with spiral labyrinth structure | |
| CN104197593B (en) | A kind of horizontal rectification type oil eliminator | |
| CN212130577U (en) | Oil-gas separation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100113 |