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CN108049937A - Oil and gas separating system built in valve mechanism cover - Google Patents

Oil and gas separating system built in valve mechanism cover Download PDF

Info

Publication number
CN108049937A
CN108049937A CN201810021628.8A CN201810021628A CN108049937A CN 108049937 A CN108049937 A CN 108049937A CN 201810021628 A CN201810021628 A CN 201810021628A CN 108049937 A CN108049937 A CN 108049937A
Authority
CN
China
Prior art keywords
oil
orifice plate
gas
housing
valve mechanism
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
Application number
CN201810021628.8A
Other languages
Chinese (zh)
Inventor
黄第云
沈捷
林铁坚
周道林
谢夏琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangxi Yuchai Machinery Co Ltd
Original Assignee
Guangxi Yuchai Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangxi Yuchai Machinery Co Ltd filed Critical Guangxi Yuchai Machinery Co Ltd
Priority to CN201810021628.8A priority Critical patent/CN108049937A/en
Publication of CN108049937A publication Critical patent/CN108049937A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00Crankcase ventilating or breathing
    • F01M13/04Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F01M13/0405Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil arranged in covering members apertures, e.g. caps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00Crankcase ventilating or breathing
    • F01M13/0011Breather valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00Crankcase ventilating or breathing
    • F01M13/0011Breather valves
    • F01M2013/0016Breather valves with a membrane
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00Crankcase ventilating or breathing
    • F01M2013/0038Layout of crankcase breathing systems
    • F01M2013/0044Layout of crankcase breathing systems with one or more valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00Crankcase ventilating or breathing
    • F01M2013/0038Layout of crankcase breathing systems
    • F01M2013/005Layout of crankcase breathing systems having one or more deoilers
    • F01M2013/0061Layout of crankcase breathing systems having one or more deoilers having a plurality of deoilers
    • F01M2013/0072Layout of crankcase breathing systems having one or more deoilers having a plurality of deoilers in series
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00Crankcase ventilating or breathing
    • F01M13/04Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F01M2013/0433Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a deflection device, e.g. screen
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00Crankcase ventilating or breathing
    • F01M13/04Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F01M2013/0438Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a filter
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01MLUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M13/00Crankcase ventilating or breathing
    • F01M13/04Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
    • F01M2013/0461Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a labyrinth

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 oil and gas separating systems built in a kind of valve mechanism cover.Oil and gas separating system built in the valve mechanism cover includes:Built-in gs-oil separator, including:Housing body and the labyrinth cavity and bottom cover for being arranged on the housing body one side, one end of the labyrinth cavity are provided with the outgoing gas connection tube extended to outside housing, and top offers respirator socket;Coarse filtration orifice plate, winding type rectifier structure, refined filtration orifice plate and every position plate are equipped in the labyrinth chamber body, the coarse filtration orifice plate is arranged between inlet hole plate and winding type rectifier structure, the refined filtration orifice plate is arranged on the downstream of winding type rectifier structure, and every position, plate is arranged on the downstream of refined filtration orifice plate;One end of the bottom cover has inlet hole plate;And breather component, including:Housing and the in vivo diaphragm of the shell and spring are arranged on, the lower end of the housing has plug.Oil and gas separating system effectively can prevent machine oil from going bad built in the valve mechanism cover, prevent crankshaft oil seal, crankcase pad leakage.

Description

Oil and gas separating system built in valve mechanism cover
Technical field
The present invention relates to engine art, oil and gas separating system built in more particularly to a kind of valve mechanism cover.
Background technology
At work, some combustion mixture and exhaust gas are channeled to through piston ring in crankcase engine, channel to bent axle After gasoline vapour condensation in case machine oil will be made thinning, performance depreciation.It is coagulated in exhaust gas containing vapor and sulfur dioxide, vapor Knot forms foam in machine oil, destroys engine oil supplying, and this phenomenon is particularly acute in winter;Sulfur dioxide meets water generation sulfurous Acid, sulfurous acid run into the oxygen generation sulfuric acid in air, and the appearance of these acidic materials not only makes machine oil go bad, but also can make zero Part is corroded.Since combustion mixture and exhaust gas are channeled in crankcase, the pressure in crankcase will increase, and machine oil can be from bent axle Oil sealing, crankcase pad etc. are oozed out and are lost in.The machine oil steam being lost in air can pollution of the greater engine to air.
Oil and gas separating system built in existing valve mechanism cover avoids or mitigates the effect of above-mentioned phenomenon poor, it is impossible to effectively prevent Machine oil goes bad, and prevents crankshaft oil seal, crankcase pad leakage.
The information for being disclosed in the background section is merely intended to increase the understanding of the general background to the present invention, without answering When being considered as recognizing or imply that the information structure has been the prior art well known to persons skilled in the art in any form.
The content of the invention
It is an object of the invention to provide oil and gas separating system, the cylinders built in a kind of simple and reasonable valve mechanism cover Oil and gas separating system built in housing effectively can prevent machine oil from going bad, and prevent crankshaft oil seal, crankcase pad leakage.
To achieve the above object, the present invention provides oil and gas separating system built in a kind of valve mechanism cover, including:Built-in oil gas Separator, including:Housing body and the labyrinth cavity and bottom cover for being arranged on the housing body one side, the one of the labyrinth cavity End is provided with the outgoing gas connection tube extended to outside housing, and top offers respirator socket;Coarse filtration hole is equipped in the labyrinth chamber body Plate, winding type rectifier structure, refined filtration orifice plate and every position plate, the winding type rectifier structure includes:The both sides of cavity in labyrinth Cavity wall protrudes above the spaced apart lagging being equipped with, the lagging end in the one side cavity wall of labyrinth cavity and its another side chamber Wall is adapted, and the lagging in the cavity wall of both sides is mutually twisted arrangement and forms winding type rectification passage;The coarse filtration orifice plate is set In the upstream of winding type rectifier structure, the refined filtration orifice plate is arranged on the downstream of winding type rectifier structure, described to be set every position plate In the downstream of refined filtration orifice plate, offer oil gas and cross mouth and oil gas sliding slot;One end of the bottom cover has inlet hole plate, crankcase Interior oil gas enters labyrinth cavity by the inlet hole plate;The middle part of the bottom cover is equipped with downward concave first oil return skewed slot, The bottom of the first oil return skewed slot is equipped with the first oil return pipe connected with engine inner chamber, and the other end setting of the bottom cover is oriented Second oil return skewed slot of lower recess, the second oil return skewed slot are correspondingly arranged with the respirator socket, the second oil return skewed slot Bottom be equipped with the second oil return pipe corresponding with breather component;And breather component, including:Housing and it is arranged on this The in vivo diaphragm of shell and spring, the lower end of the housing have plug, are connected for the respirator socket with labyrinth cavity.
Preferably, in above-mentioned technical proposal, the distance of the labyrinth chamber body lumen wall of lagging and opposite side is housing width A quarter to 1/3rd, between two neighboring lagging at intervals of 2nd/1st to three/3rd of housing width.
Preferably, in above-mentioned technical proposal, coarse filtration orifice plate offers multiple coarse filtration through holes, and the refined filtration orifice plate offers more The rectangular matrix of a refined filtration through hole, multiple coarse filtration through holes and multiple refined filtration through holes is laid, and the diameter of the coarse filtration through hole is big In the diameter of refined filtration through hole.
Preferably, in above-mentioned technical proposal, the lower part of the first oil return pipe is provided with oil return bend pipe.
Compared with prior art, the present invention has the advantages that:Oil and gas separating system built in the valve mechanism cover can Making oil gas, constantly by Oil-gas Separation, such cycle can be effectively by Oil-gas Separation, and good separating effect is kept away by orifice plate circuitous forward Exempt from oil gas discharge and cause environmental pollution;Ensure in-engine air pressure balance, while by the fuel oil quick separating in oil gas, avoid It is mixed with machine oil and pollutes machine oil, influence the lubricant effect and sealing effect of machine oil, prevent crankshaft oil seal, crankcase pad from oozing Leakage, ensures the good operation of engine, improves the working life of engine.
Description of the drawings
Fig. 1 is the structure diagram of oil and gas separating system built in the valve mechanism cover of the present invention.
Fig. 2 is the upper decomposition texture schematic diagram of oil and gas separating system built in the valve mechanism cover of the present invention.
Fig. 3 is the lower decomposition texture schematic diagram of oil and gas separating system built in the valve mechanism cover of the present invention.
Fig. 4 is the coarse filtration orifice plate main structure diagram of oil and gas separating system built in the valve mechanism cover of the present invention.
Fig. 5 is the coarse filtration orifice plate schematic cross-sectional view of oil and gas separating system built in the valve mechanism cover of the present invention.
Fig. 6 is oil and gas separating system built in the valve mechanism cover of the present invention every position plate structure schematic diagram.
Fig. 7 is the breather component structure diagram of oil and gas separating system built in the valve mechanism cover of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention Shield scope is not restricted by specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members Part or other components.
As shown in Figures 1 to 7, oil and gas separating system built in the valve mechanism cover of specific embodiment according to the present invention is specific Including:Built-in gs-oil separator 12 and breather component 13, wherein, built-in gs-oil separator includes housing body and is arranged on The labyrinth cavity and bottom cover of the housing body one side, labyrinth cavity 2 are located at the one side of housing body 1, and one end of labyrinth cavity 2 is set The outgoing gas connection tube 3 extended to outside housing is equipped with, labyrinth cavity 2 offers respirator socket at the top of the end.In labyrinth cavity 2 Equipped with coarse filtration orifice plate 14, winding type rectifier structure, refined filtration orifice plate 16 and every position plate 15, wherein, winding type rectifier structure includes: In labyrinth, the both sides cavity wall of cavity 2 protrudes above the spaced apart lagging 7 being equipped with, the horizontal stroke in the one side cavity wall of labyrinth cavity 2 7 end of baffle is adapted with its opposite side cavity wall, and the lagging 7 in the cavity wall of both sides is mutually twisted arrangement and forms winding type rectification Passage.Coarse filtration orifice plate 14 is arranged on the upstream of winding type rectifier structure, for carrying out coarse filtration to oil gas.Refined filtration orifice plate 16 is arranged on The downstream of winding type rectifier structure, for carrying out refined filtration to oil gas.The downstream of refined filtration orifice plate 16 is arranged on every position plate 15, is opened up There is oil gas to cross mouth and oil gas sliding slot, through refined filtration orifice plate 16 filter oil gas by every the oil gas of position plate 15 cross mouth and oil gas sliding slot into Enter outgoing gas connection tube 3, oil gas is further separated.
Preferably, the distance of 2 cavity wall of labyrinth cavity of lagging 7 and opposite side is a quarter of housing width to three / mono-, between two neighboring lagging 7 at intervals of 2nd/1st to three/3rd of housing width, ensure that gas quickly leads to It crosses and effectively by Oil-gas Separation, good oil gas separation effect.
Preferably, coarse filtration orifice plate 14 offers multiple coarse filtration through holes, and refined filtration orifice plate 16 offers multiple refined filtration through holes, multiple Coarse filtration through hole and the rectangular matrix of multiple refined filtration through holes are laid, and the diameter of coarse filtration through hole is more than the diameter of refined filtration through hole.
Housing body 1 is equipped with the bottom cover 4 of closing labyrinth cavity 2, and one end of bottom cover 4 has an inlet hole plate, in crankcase Oil gas labyrinth cavity is entered by the inlet hole plate.Preferably, the rectangular matrix of the inlet hole plate offers multiple entrances and leads to Hole, for being filtered for the first time to oil gas.The middle part of bottom cover 4 is equipped with downward concave first oil return skewed slot 9.First oil return skewed slot 9 bottom is equipped with the first oil return pipe 11 connected with engine inner chamber, and the lower knuckle of the first oil return pipe 11 is provided with an oil return Bend pipe 5 prevents oil plant suck-back, effectively recycles oil plant.(between coarse filtration orifice plate 14 and refined filtration orifice plate 16).What engine generated Oil gas enters through inlet hole plate in labyrinth cavity 2, is then flowed to outgoing gas connection tube 3, passes through circuitous coarse filtration orifice plate 14 and refined filtration orifice plate 16 and winding type rectifying junction after, the flow direction of oil gas constantly changes, and is fully contacted with winding type rectifier structure, at this moment in oil gas Oil will be gradually disengaged out, drop on the oil-returning structure of bottom cover 4 and be collected, and the gas in oil gas will be connect by outlet Pipe 3 is discharged outside engine, ensures in-engine air pressure balance, while by the fuel oil quick separating in oil gas, is avoided and machine oil It mixes and pollutes machine oil, influence the lubricant effect and sealing effect of machine oil, prevent crankshaft oil seal, crankcase pad leakage, ensure The good operation of engine improves the working life of engine;The water conservancy diversion effect of winding type rectifier structure is good, quickly by oil gas point From.
Preferably, the other end of bottom cover 4 is provided with downward concave second oil return skewed slot 10, the second oil return skewed slot 10 with The respirator socket of labyrinth cavity 2 is correspondingly arranged.The bottom of second oil return skewed slot 10 is equipped with corresponding with breather component second Oil return pipe 17.
First, oil gas enters from inlet hole plate, changes after running into the lagging 7 of coarse filtration orifice plate 14 and winding type rectifier structure Flow direction, oil gas contacts tentatively by Oil-gas Separation with lagging 7, then proceedes to advance, run into refined filtration orifice plate 16 and every position plate 15 not Break Oil-gas Separation, so cycle, can be effectively by Oil-gas Separation, good separating effect avoids oil gas discharge from causing environmental pollution.
In the present embodiment, outgoing gas connection tube 3 combines the structure design of orifice plate and winding type rectifier structure, and convenient for winding type The outgoing gas connection tube 3 of rectification passage is adapted, and gas is contributed to quickly to discharge and prevent oil body from entering outgoing gas connection tube 3.On bottom cover 4 First oil return pipe 11, the second oil return pipe are attached by welding, and sealing effect is good, will not leak;The edge and housing of bottom cover 4 Body 1 is bolted, fixing-stable, securely.
Breather component 13 includes:Housing and the in vivo diaphragm of the shell and spring are arranged on, the lower end of housing, which has, inserts Head is connected for the respirator socket with labyrinth cavity 2.Breather component act as what is determined according to engine performance exploitation Engine interior pressure balance point by adjusting the control of spring force, determines the pressure of pressure regulator valve air inlet/outlet.When what is come out When gas is less than admission pressure, that is, negative pressure of gas handling system, the air of outside gas handling system air filter causes the spring force of spring to reduce And it is relaxed;When gas out is positive pressure, the gas push diaphragm of gs-oil separator out, such spring spring force rise And it further compressing so that gas is discharged into engine aspirating system and realizes waste gas circulation, this ensure that total Sealing and oil-gas separation efficiency and sealing problem.
To sum up, oil and gas separating system built in the valve mechanism cover can make oil gas by orifice plate circuitous forward, constantly by oil gas Separation so cycles, can be effectively by Oil-gas Separation, and good separating effect avoids oil gas discharge from causing environmental pollution;Ensure engine Interior air pressure balance, while by the fuel oil quick separating in oil gas, avoid mixing with machine oil and polluting machine oil, influence the profit of machine oil Sliding effect and sealing effect prevent crankshaft oil seal, crankcase pad leakage, ensure the good operation of engine, improve engine Working life.
The description of the foregoing specific exemplary embodiment to the present invention is in order to illustrate and illustration purpose.These descriptions It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed And variation.The purpose of selecting and describing the exemplary embodiment is that explain that the certain principles of the present invention and its reality should With so that those skilled in the art can realize and utilize the present invention a variety of exemplary implementation schemes and Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.

Claims (4)

1. a kind of oil and gas separating system built in valve mechanism cover, which is characterized in that including:
Built-in gs-oil separator, including:Housing body and the labyrinth cavity and bottom cover for being arranged on the housing body one side, it is described One end of labyrinth cavity is provided with the outgoing gas connection tube extended to outside housing, and top offers respirator socket;The labyrinth cavity Interior to be equipped with coarse filtration orifice plate, winding type rectifier structure, refined filtration orifice plate and every position plate, the winding type rectifier structure includes:It is being confused The both sides cavity wall of uterine cavity body protrudes above the spaced apart lagging being equipped with, the lagging end in the one side cavity wall of labyrinth cavity It is adapted with its opposite side cavity wall, the lagging in the cavity wall of both sides is mutually twisted arrangement and forms winding type rectification passage;It is described Coarse filtration orifice plate is arranged on the upstream of winding type rectifier structure, and the refined filtration orifice plate is arranged on the downstream of winding type rectifier structure, institute The downstream that refined filtration orifice plate is arranged on every position plate is stated, oil gas is offered and crosses mouth and oil gas sliding slot;One end of the bottom cover have into Oral pore plate, the oil gas in crankcase enter labyrinth cavity by the inlet hole plate;The middle part of the bottom cover is equipped with concave downwards First oil return skewed slot, the bottom of the first oil return skewed slot are equipped with the first oil return pipe connected with engine inner chamber, the bottom cover The other end is provided with downward concave second oil return skewed slot, which is correspondingly arranged with the respirator socket, institute The bottom for stating the second oil return skewed slot is equipped with the second oil return pipe corresponding with breather component;And
Breather component, including:Housing and the in vivo diaphragm of the shell and spring are arranged on, the lower end of the housing, which has, inserts Head is connected for the respirator socket with labyrinth cavity.
2. oil and gas separating system built in valve mechanism cover according to claim 1, which is characterized in that the lagging with it is opposite The distance of the labyrinth chamber body lumen wall of one side for housing width a quarter to 1/3rd, between two neighboring lagging between It is divided into 2nd/1st to three/3rd of housing width.
3. oil and gas separating system built in valve mechanism cover according to claim 1, which is characterized in that the coarse filtration orifice plate opens up There are multiple coarse filtration through holes, the refined filtration orifice plate offers multiple refined filtration through holes, and multiple coarse filtration through holes and multiple refined filtration through holes are in Rectangular matrix is laid, and the diameter of the coarse filtration through hole is more than the diameter of refined filtration through hole.
4. oil and gas separating system built in valve mechanism cover according to claim 1, which is characterized in that first oil return pipe Lower part is provided with oil return bend pipe.
CN201810021628.8A 2018-01-10 2018-01-10 Oil and gas separating system built in valve mechanism cover Pending CN108049937A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810021628.8A CN108049937A (en) 2018-01-10 2018-01-10 Oil and gas separating system built in valve mechanism cover

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810021628.8A CN108049937A (en) 2018-01-10 2018-01-10 Oil and gas separating system built in valve mechanism cover

Publications (1)

Publication Number Publication Date
CN108049937A true CN108049937A (en) 2018-05-18

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Family Applications (1)

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Country Status (1)

Country Link
CN (1) CN108049937A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109236415A (en) * 2018-09-14 2019-01-18 广西玉柴机器股份有限公司 A kind of tree-shaped board-like voltage adaptive controlling oil-gas separating device of engine
CN109236413A (en) * 2018-09-14 2019-01-18 广西玉柴机器股份有限公司 A kind of tree-shaped leaf fat drive formula voltage adaptive controlling oil-gas separating device of engine
CN109236411A (en) * 2018-09-14 2019-01-18 广西玉柴机器股份有限公司 A kind of tree-shaped board-like oil-gas separating device of engine
CN109653838A (en) * 2019-02-15 2019-04-19 广西玉柴机器股份有限公司 The oil-returning structure of diesel engine Oil-gas Separation
CN110863884A (en) * 2019-12-27 2020-03-06 江苏四达动力机械集团有限公司 Two-stage expansion respirator
CN111997711A (en) * 2020-08-25 2020-11-27 神通科技集团股份有限公司 Passive oil-gas separator of automobile engine
CN114542239A (en) * 2022-03-09 2022-05-27 广西玉柴机器股份有限公司 Engine with respirator low in engine oil content
CN114790952A (en) * 2022-05-10 2022-07-26 广西玉柴动力股份有限公司 Oil-gas separator for cylinder head cover with water jacket structure

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Publication number Priority date Publication date Assignee Title
JPH0996209A (en) * 1995-09-29 1997-04-08 Tenetsukusu:Kk Oil mist separator
CN101545390A (en) * 2009-03-26 2009-09-30 重庆长安汽车股份有限公司 Gas and oil separating plant
CN201334935Y (en) * 2008-12-30 2009-10-28 洪志才 Cylinder cover oil-gas separating device
JP2011157927A (en) * 2010-02-03 2011-08-18 Toyota Boshoku Corp Oil separator
CN203394609U (en) * 2013-07-03 2014-01-15 广西玉柴机器股份有限公司 Crankcase ventilation device
CN105114203A (en) * 2015-08-12 2015-12-02 安徽江淮汽车股份有限公司 Engine cylinder cover shield
CN107023348A (en) * 2017-06-02 2017-08-08 广西玉柴机器股份有限公司 Built-in integration type oil-gas separator
CN207686787U (en) * 2018-01-10 2018-08-03 广西玉柴机器股份有限公司 Oil and gas separating system built in valve mechanism cover

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0996209A (en) * 1995-09-29 1997-04-08 Tenetsukusu:Kk Oil mist separator
CN201334935Y (en) * 2008-12-30 2009-10-28 洪志才 Cylinder cover oil-gas separating device
CN101545390A (en) * 2009-03-26 2009-09-30 重庆长安汽车股份有限公司 Gas and oil separating plant
JP2011157927A (en) * 2010-02-03 2011-08-18 Toyota Boshoku Corp Oil separator
CN203394609U (en) * 2013-07-03 2014-01-15 广西玉柴机器股份有限公司 Crankcase ventilation device
CN105114203A (en) * 2015-08-12 2015-12-02 安徽江淮汽车股份有限公司 Engine cylinder cover shield
CN107023348A (en) * 2017-06-02 2017-08-08 广西玉柴机器股份有限公司 Built-in integration type oil-gas separator
CN207686787U (en) * 2018-01-10 2018-08-03 广西玉柴机器股份有限公司 Oil and gas separating system built in valve mechanism cover

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109236415A (en) * 2018-09-14 2019-01-18 广西玉柴机器股份有限公司 A kind of tree-shaped board-like voltage adaptive controlling oil-gas separating device of engine
CN109236413A (en) * 2018-09-14 2019-01-18 广西玉柴机器股份有限公司 A kind of tree-shaped leaf fat drive formula voltage adaptive controlling oil-gas separating device of engine
CN109236411A (en) * 2018-09-14 2019-01-18 广西玉柴机器股份有限公司 A kind of tree-shaped board-like oil-gas separating device of engine
CN109653838A (en) * 2019-02-15 2019-04-19 广西玉柴机器股份有限公司 The oil-returning structure of diesel engine Oil-gas Separation
CN110863884A (en) * 2019-12-27 2020-03-06 江苏四达动力机械集团有限公司 Two-stage expansion respirator
CN111997711A (en) * 2020-08-25 2020-11-27 神通科技集团股份有限公司 Passive oil-gas separator of automobile engine
CN111997711B (en) * 2020-08-25 2021-09-07 神通科技集团股份有限公司 Passive oil-gas separator of automobile engine
CN114542239A (en) * 2022-03-09 2022-05-27 广西玉柴机器股份有限公司 Engine with respirator low in engine oil content
CN114790952A (en) * 2022-05-10 2022-07-26 广西玉柴动力股份有限公司 Oil-gas separator for cylinder head cover with water jacket structure
CN114790952B (en) * 2022-05-10 2024-02-27 广西玉柴动力股份有限公司 Oil-gas separator with water jacket structure for cylinder head cover

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