CN109236410A - A kind of filter plate oil drive formula oil-gas separating device of engine - Google Patents

A kind of filter plate oil drive formula oil-gas separating device of engine Download PDF

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Publication number
CN109236410A
CN109236410A CN201811074029.9A CN201811074029A CN109236410A CN 109236410 A CN109236410 A CN 109236410A CN 201811074029 A CN201811074029 A CN 201811074029A CN 109236410 A CN109236410 A CN 109236410A
Authority
CN
China
Prior art keywords
oil
coarse filtration
gas
separating device
filter
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.)
Withdrawn
Application number
CN201811074029.9A
Other languages
Chinese (zh)
Inventor
韦福观
朱雄
覃星念
赵宁宁
叶双超
余晓强
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 CN201811074029.9A priority Critical patent/CN109236410A/en
Publication of CN109236410A publication Critical patent/CN109236410A/en
Withdrawn legal-status Critical Current

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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
    • 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
    • F01M2013/0422Separating oil and gas with a centrifuge device
    • 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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

The present invention provides a kind of filter plate oil to drive formula oil-gas separating device of engine, it include: the filter opening formula separator and primary separating device that mounting groove in valve mechanism cover is set, the mounting groove offers the air inlet for receiving gas mixture in crankcase, the mounting groove is additionally provided with the gas vent for the exhaust gas discharge after separating, and the valve mechanism cover, filter opening formula separator and primary separating device combine to form curved gas channel;The filter plate oil, which drives formula oil-gas separating device of engine, to accelerate gas mixture, and isolated oil droplet is flowed out by oil back chamber, and separative efficiency is high, be able to satisfy six engine emission standard of state.

Description

A kind of filter plate oil drive formula oil-gas separating device of engine
Technical field
The invention belongs to Oil-gas Separation technical fields, and in particular to a kind of filter plate oil drive formula oil-gas separating device of engine.
Background technique
The oil gas that engine generates at work enters combustion chamber and participates in burning, and the machine oil contained in this part of oil gas is logical It often can't burn completely, but scurried into crankcase together with exhaust gas through piston ring, after entering crankcase, the part machine oil Steam condensation is thinning, performance decline, and combustion mixture and exhaust gas enter in crankcase and can also crankcase pressure be increased Greatly, machine oil increases the pollution in engine operation process to atmosphere, therefore, it is necessary to pass through from crankshaft oil seal, liner etc. leakage It integrates gs-oil separator in valve mechanism cover to separate come the oil gas for excluding engine, traditional valve mechanism cover can only carry out Single separation, effect can not reach expected.
Such as a kind of Chinese utility model patent " valve mechanism cover " of Publication No. CN205559013U, including valve mechanism cover sheet Body, cylinder head cover body inside are formed with oil gas pre-separation chamber, and the oil gas pre-separation chamber is equipped with pre-separation air inlet and in advance Gas outlet is separated, is successively arranged from the pre-separation air inlet to the pre-separation gas outlet along vertical in oil gas pre-separation room The spaced multiple lateral partitions in direction and in the horizontal direction be in the spaced multiple longitudinal baffles of labyrinth type, lateral partitions The mazy gas channel for being connected to pre-separation air inlet and pre-separation gas outlet is formed between longitudinal baffle, and in cylinder head Cover lateral wall is integrated with gs-oil separator.
Such as the Chinese invention patent " active gs-oil separator " of Publication No. CN104265402B, pass through extreme pressure lubricant Driving is a kind of oily drive formula active separator, can carry out active separation to the gas mixture in crankcase, but only with master Dynamic formula separator separative efficiency is lower, is unable to satisfy six discharge standard of state.
By the above content it can be found that in the prior art the core of valve mechanism cover oil gas pre-separation be lateral partitions with The mazy gas channel formed between longitudinal baffle, but its single layer structure Oil-gas Separation ability is poor, low separation efficiency.
Summary of the invention
It is an object of the invention to overcome the defect of the above-mentioned prior art, a kind of new filter plate oil drive formula engine oil is provided Air separation can efficiently separate the oil droplet of air-fuel mixture species, and separative efficiency is high, not need periodic maintenance replacement filter Core is able to satisfy six engine calls of state.
The purpose of the present invention is what is be achieved through the following technical solutions:
The present invention provides a kind of filter plate oil to drive formula oil-gas separating device of engine, comprising: setting is pacified in valve mechanism cover The filter opening formula separator and primary separating device of tankage, and the oily drive formula gs-oil separator outside valve mechanism cover is set;Institute It states mounting groove and offers air inlet for receiving gas mixture in crankcase, the mounting groove is additionally provided with for after separating Exhaust gas discharge gas vent, the gas vent is connected to oily drive formula gs-oil separator by pipeline;Gas mixture is from air inlet Hole flows into, and first flows through primary separating device and carries out preliminary Oil-gas Separation, then flows through filter opening formula separator and carries out oil gas acceleration point From;The valve mechanism cover, filter opening formula separator and primary separating device combine to form curved gas channel, the just separation dress Set include: the first shaped form baffle being arranged on bottom plate, the second shaped form baffle and be arranged in parallel on bottom plate first Partition, second partition, third partition, the 4th partition, the 5th partition and the 6th partition;The filter opening formula separator includes: flat The coarse filtration orifice plate and coarse filtration baffle that row is arranged on bottom plate.
In one embodiment, the first oil back chamber, the second oil back chamber, third oil back chamber, are additionally provided on the bottom plate Four oil back chambers and the 5th oil back chamber;Gas mixture is after air inlet entrance, and part oil droplet is divided under the action of first partition From the oil droplet after separation is discharged through the first oil back chamber;After gas mixture flows through second partition and third partition, in impact force Under effect, the oil droplet being partially separated out is discharged through the second oil back chamber;After gas mixture flows through the 4th partition and the 5th partition, Under the action of impact force, the oil droplet being partially separated out is discharged through third oil back chamber;After gas mixture flows through the 6th partition, rushing It hits under the action of power, the oil droplet being partially separated out is discharged through the 4th oil back chamber;Then, gas mixture flows through filter opening formula separation dress It sets, under the influence of the impact force, the oil droplet being partially separated out is discharged through the 5th oil back chamber.
It is provided on coarse filtration orifice plate in the filter opening formula separator for carrying out acceleration coarse filtration to gas mixture Hole;In one embodiment, it is provided on the coarse filtration baffle for colliding separation oil droplet and water conservancy diversion to the one of the 5th oil back chamber Filter rib is provided on the coarse filtration baffle for increasing the needle-shaped convex of oil gas making contact area In yet another embodiment The portion of rising, the needle-shaped lug boss can effectively prevent oil droplet since high velocity impact causes second-time breakage, improve oil-gas separation efficiency; The coarse filtration baffle is the hatch frame (flowing convenient for gas mixture) of non-close, and the 5th oil back chamber is arranged in coarse filtration hole The lower section of plate and coarse filtration baffle is for being discharged the oil droplet being collected into.
In one embodiment, the filter opening formula separator further includes being arranged on bottom plate for colliding separation oil droplet Curved plates and for the 6th oil back chamber for collecting oil droplet to be discharged, the curved plates are additionally provided with for by oil droplet water conservancy diversion to the 6th Two filter ribs of oil back chamber.
In one embodiment, the spacing of the coarse filtration orifice plate and coarse filtration baffle is 2~5mm, according to the air inlet of air inlet Size is measured, the aperture in the coarse filtration hole is 3~6mm, and the number in the coarse filtration hole is 10~45, is made through coarse filtration orifice plate Flow control in 5~8m/s, flow through coarse filtration orifice plate gas mixture separated in the flow rates with the shock of coarse filtration baffle it is big The effect of oil droplet is good.
Compared with the prior art, the advantages of the present invention are as follows:
The filter plate oil, which drives formula oil-gas separating device of engine, to accelerate gas mixture, pass through primary separating device Larger oil droplet can be separated, filter opening formula separator can further promote separative efficiency;In addition, the filter plate oil drives formula engine oil Air separation can also preset the specification (including pore size and filter opening number) in coarse filtration hole according to the size of air inflow, with this It ensures the flow velocity after gas mixture accelerates, promotes the efficiency for hitting separation oil droplet.
Detailed description of the invention
The embodiment of the present invention is described further referring to the drawings, in which:
Fig. 1 is the structural schematic diagram that formula oil-gas separating device of engine is driven according to the filter plate oil of one embodiment of the invention;
Fig. 2 is to drive formula oil-gas separating device of engine according to the filter plate oil of one embodiment of the invention (bottom plate is not shown) Three dimensional structure diagram;
Fig. 3 is according to the coarse filtration orifice plate of one embodiment of the invention and the structural schematic diagram of coarse filtration baffle;
Fig. 4 is the structural schematic diagram according to the oily drive formula gs-oil separator of one embodiment of the invention;
Fig. 5 is the three dimensional structure diagram that needle-shaped lug boss is equipped with according to the coarse filtration baffle of one embodiment of the invention.
In figure, 100 be cylinder head casing, and 101 be mounting groove, and 102 be air inlet, and 103 be venthole, and 201 be bottom plate, 202 For the first shaped form baffle, 203 be the second shaped form baffle, and 204 be first partition, and 205 be second partition, 206 for third every Plate, 207 be the 4th partition, 208 be the 5th partition, 209 be the 6th partition, 210 be coarse filtration orifice plate, 211 be coarse filtration baffle, 212 It is the second oil back chamber for the first oil back chamber, 213,214 be third oil back chamber, and 215 be the 4th oil back chamber, and 216 be the 5th oil back chamber, 217 be the 6th oil back chamber, and 218 be curved plates, and 220 be coarse filtration hole, and 221 be a filter rib, and 222 be needle-shaped lug boss, and 400 be oil Drive formula gs-oil separator, 401 be exhaust gas entrance, and 402 be oil inlet, and 403 be mixed gas outlet, and 404 be oil return opening.
Specific embodiment
In order to make the purpose of the present invention, technical solution and advantage are more clearly understood, and are passed through below in conjunction with attached drawing specific real Applying example, the present invention is described in more detail.It should be appreciated that described herein, specific examples are only used to explain the present invention, and It is not used in the restriction present invention.
A kind of filter plate oil drive formula oil-gas separating device of engine is provided in an embodiment of the present invention, which drives formula Oil-gas separating device of engine includes the filter opening formula separator and primary separating device that mounting groove in valve mechanism cover is arranged in, and Oily drive formula gs-oil separator outside valve mechanism cover is set;Primary separating device can be in gas mixture charging stage separation unit Enter filter opening formula separator after dividing oil droplet, gas mixture to flow through primary separating device, is added in filter opening formula separator Speed collision separation, and oil droplet is discharged by oil return pipe, the exhaust gas after separation is delivered to oily drive formula Oil-gas Separation by gas vent Device carries out active Oil-gas Separation.As depicted in figs. 1 and 2, valve mechanism cover 100 is equipped with installation primary separating device and the separation of filter opening formula The mounting groove 101 of device, the mounting groove 101 offer the air inlet for receiving gas mixture in engine crankcase 102 and for the exhaust gas discharge after separating gas vent 103, it is oily that the gas vent 103 by pipeline is connected to oily drive formula The exhaust gas entrance 401 of gas separating device 400, the valve mechanism cover 100, filter opening formula separator and primary separating device combine to be formed it is curved Bent gas channel, the primary separating device includes the first shaped form baffle 202, the second shaped form being arranged on bottom plate 201 It baffle 203 and is arranged in parallel on bottom plate 201 and separates the first partition 204 of oil droplet, second partition 205, third for collide Partition 206, the 4th partition 207, the 5th partition 208 and the 6th partition 209, the first shaped form baffle 202, the second shaped form Baffle 203, first partition 204, second partition 205, third partition 206, the 4th partition 207, the 5th partition 208 and the 6th partition 209 surround curved gas channel jointly, when gas mixture flows through primary separating device, under spacer function part oil droplet by Initial gross separation comes out;The filter opening formula separator includes being arranged in parallel on bottom plate 201 for adding to gas mixture Fast coarse filtration orifice plate 210 and the coarse filtration baffle 211 for colliding separation oil droplet;Gas mixture through filter hole formula separator and The exhaust gas entrance 401 of oily drive formula gs-oil separator 400, the oil are transported to after the separation of primary separating device through gas vent 103 Drive formula gs-oil separator 400 is using existing conventional equipment, as shown in figure 4, the oily drive formula gs-oil separator 400 is also set There are oil inlet 402, mixed gas outlet 403 and oil return opening 404;The oil inlet 402 is used for the height of injection engine main oil gallery Press oil is to push the rotor high speed rotation of oily drive formula gs-oil separator 400 to generate the centrifugal force for being up to 2500G, by exhaust gas The gas mixture that entrance 401 enters is under the effect of huge centrifugal force, and oil droplet is separated further out, the oil after being separated Drop flow back into engine sump tank by oil return opening 404, and exhaust gas introduces engine charge by mixed gas outlet 403 after separation Pipe enters combustion chambers burn, is finally reached and the passive type of crankcase oils gas mixture is separated with active, make separating effect Reach six engine emission standard of state.
In one embodiment, the first oil back chamber for collected oil droplet to be discharged is additionally provided on the bottom plate 201 212, the second oil back chamber 213, third oil back chamber 214, the 4th oil back chamber 215 and the 5th oil back chamber 216;Gas mixture is from air inlet After hole 102 enters, part oil droplet is separated under the action of first partition 204 first, and the oil droplet after separation is through the first oil back chamber 212 discharges;After subsequent gas mixture flows through second partition 205 and third partition 206, under the influence of the impact force, part point The oil droplet separated out is discharged through the second oil back chamber 213;After subsequent gas mixture flows through the 4th partition 207 and the 5th partition 208, Under the action of impact force, the oil droplet being partially separated out is discharged through third oil back chamber 214;Finally, gas mixture flow through the 6th every After plate 209, under the influence of the impact force, the oil droplet being partially separated out is discharged through the 4th oil back chamber 215;Then, gas mixture Filter opening formula separator is flowed through, gas mixture is accelerated by coarse filtration orifice plate 210, then touched with coarse filtration baffle 211 Separation is hit, the oil droplet being partially separated out is discharged through the 5th oil back chamber 216, realizes the processing to oil droplet after separation.
The coarse filtration hole 220 for once being accelerated to gas mixture is provided on the coarse filtration orifice plate 210.At one In embodiment, as shown in figure 3, being provided on the coarse filtration baffle 211 for colliding separation larger oil droplet and water conservancy diversion larger oil droplet is to the One filter rib 221 of five oil back chambers 216;In yet another embodiment, as shown in figure 5, being arranged on the coarse filtration baffle 211 useful In the needle-shaped lug boss 222 for increasing oil gas making contact area, it is thick that the needle-shaped lug boss 222 can effectively adsorb high velocity impact Filter the larger oil droplet of baffle 211 and by oil droplet water conservancy diversion to the 5th oil back chamber 216, prevent larger oil droplet due to high velocity impact cause it is secondary broken Broken (larger oil droplet collision is easy to produce splashing), improves oil-gas separation efficiency;5th oil back chamber 216 is arranged in coarse filtration orifice plate 210 and coarse filtration baffle 211 lower section for be discharged the oil droplet being collected into, the coarse filtration baffle 211 for non-close hatch frame (convenient for forming gas channel), gas mixture are hit after flowing through the acceleration of coarse filtration orifice plate 210 with coarse filtration baffle 211, oil Drop will flow into the 5th oil back chamber 216 by a filter rib 221, remaining gas mixture flows through the opening portion of coarse filtration baffle 211 Divide (gas channel) outflow.
In one embodiment, as the air inflow of air inlet 102 be 60L/min, the aperture in the coarse filtration hole 220 is set as 3mm, the number in the coarse filtration hole 220 are set as 27, and the spacing of the coarse filtration orifice plate 210 and coarse filtration baffle 211 is set as 2mm makes through the flow control of coarse filtration orifice plate 210 in about 5.2m/s, at this point, flowing through 210 gas mixture of coarse filtration orifice plate at this The effect for separating larger oil droplet with the shock of coarse filtration baffle 211 under the setting of flow velocity and spacing is good;In yet another embodiment, such as air inlet The air inflow in hole 102 is 100L/min, and the aperture in the coarse filtration hole 220 is set as 6mm, the number setting in the coarse filtration hole 220 It is 10, the spacing of the coarse filtration orifice plate 210 and coarse filtration baffle 211 is set as 3mm, makes the flow velocity control by coarse filtration orifice plate 210 System in about 5.3m/s, at this point, flow through 210 gas mixture of coarse filtration orifice plate under the setting of the flow velocity and spacing with coarse filtration baffle The effect of 211 shock separation larger oil droplets is good;In yet another embodiment, as the air inflow of air inlet 102 be 150L/min, it is described The aperture in coarse filtration hole 220 is set as 5mm, and the number in the coarse filtration hole 220 is set as 25, the coarse filtration orifice plate 210 and coarse filtration The spacing of baffle 211 is set as 5mm, makes through the flow control of coarse filtration orifice plate 210 in about 5.1m/s, at this point, flowing through coarse filtration hole The effect that 210 gas mixture of plate separates larger oil droplet with the shock of coarse filtration baffle 211 under the setting of the flow velocity and spacing is good;Again In one embodiment, if the air inflow of air inlet 102 is 270L/min, the aperture in the coarse filtration hole 220 is set as 6mm, described The number in coarse filtration hole 220 is set as 20, and the spacing of the coarse filtration orifice plate 210 and coarse filtration baffle 211 is set as 4mm, makes to pass through The flow control of coarse filtration orifice plate 210 is in about 8m/s, at this point, flowing through 210 gas mixture of coarse filtration orifice plate in the flow velocity and spacing It is good that the lower effect for separating larger oil droplet with the shock of coarse filtration baffle 211 is set;In yet another embodiment, such as the air inlet of air inlet 102 Amount is 270L/min, and the aperture in the coarse filtration hole 220 is set as 4mm, and the number in the coarse filtration hole 220 is set as 45, described The spacing of coarse filtration orifice plate 210 and coarse filtration baffle 211 is set as 4mm, makes through the flow control of coarse filtration orifice plate 210 in about 8m/s, At this point, flowing through 210 gas mixture of coarse filtration orifice plate separates big oil with the shock of coarse filtration baffle 211 under the setting of the flow velocity and spacing The effect of drop is good.
In one embodiment, please continue to refer to Fig. 1 and Fig. 2, the filter opening formula separator further includes being arranged in bottom plate It is described curved for colliding the curved plates 218 of separation oil droplet and for the 6th oil back chamber 217 for collecting oil droplet to be discharged on 201 Plate 218 is additionally provided with for colliding separation oil droplet simultaneously two filter rib (not shown)s of the water conservancy diversion to the 6th oil back chamber 217;Oil gas Mixture hits curved plates 218, and oil droplet flows into the 6th oil back chamber 217, remaining air-fuel mixture logistics by two filter ribs Top (gas channel) through curved plates 218 enters gas vent 103, completes the pre-separation to gas mixture in crankcase.
From above-described embodiment as can be seen that compared with prior art, filter plate oil according to an embodiment of the present application drives formula hair Motivation gas and oil separating plant can accelerate gas mixture, and separation oil droplet is flowed out by oil back chamber, and separative efficiency is high;Also Coarse filtration hole specification (including pore size and filter opening number) can be preset according to the size of air inflow, the stream after accelerating is ensured with this Speed promotes the efficiency for hitting separation oil droplet, is finally able to satisfy the standard of the discharge of state six.
For the ginseng of " each embodiment ", " some embodiments ", " one embodiment " or " embodiment " etc. in this specification Examine reference is that the special characteristic in conjunction with described in the embodiment, structure or property are included at least one embodiment.Cause This, phrase " in various embodiments ", " in some embodiments ", " in one embodiment " or " in embodiment " etc. exists The appearance of each place not necessarily refers to identical embodiment in the whole instruction.In addition, special characteristic, structure or property can To combine in any way as suitable in one or more embodiments.Therefore, in conjunction with shown in one embodiment or description Special characteristic, structure or property can wholly or partly with the feature, structure or property of one or more other embodiments It unlimitedly combines, as long as the combination is not non-logicality or cannot work.In addition, each element in illustrations is only Only for schematically illustrate, it is not necessarily drawn to scale.
It is thus described several aspects of at least one embodiment of this invention, it will be understood that those skilled in the art For be easy to carry out various changes, modification and improvement.This changes, modifications and improvement are intended in the spirit and scope of the present invention It is interior.

Claims (5)

1. a kind of filter plate oil drives formula oil-gas separating device of engine, comprising: the filter opening formula point of mounting groove in valve mechanism cover is arranged in From device and primary separating device, and the oily drive formula gs-oil separator outside valve mechanism cover is set;The mounting groove offers Air inlet and gas vent, the gas vent are connected to oily drive formula gs-oil separator, the valve mechanism cover, filter opening formula point by pipeline It combines to form gas channel from device and primary separating device, it is characterised in that:
The primary separating device includes: the first shaped form baffle, the second shaped form baffle and parallel cloth being arranged on bottom plate Set first partition, second partition, third partition, the 4th partition, the 5th partition and the 6th partition on bottom plate;The filter opening formula Separator includes: the coarse filtration orifice plate and coarse filtration baffle being arranged in parallel on bottom plate.
2. filter plate oil as described in claim 1 drives formula oil-gas separating device of engine, it is characterised in that: also set on the bottom plate It is equipped with the first oil back chamber, the second oil back chamber, third oil back chamber, the 4th oil back chamber and the 5th oil back chamber.
3. filter plate oil as claimed in claim 2 drives formula oil-gas separating device of engine, it is characterised in that: the filter opening formula separation It is provided with coarse filtration hole on coarse filtration orifice plate in device, a filter rib or needle-shaped lug boss, institute are provided on the coarse filtration baffle The hatch frame that coarse filtration baffle is non-close is stated, the lower section of coarse filtration orifice plate and coarse filtration baffle is arranged in the 5th oil back chamber.
4. filter plate oil as described in claim 1 drives formula oil-gas separating device of engine, it is characterised in that: the filter opening formula separation Device further includes the curved plates being arranged on bottom plate and the 6th oil back chamber, and the curved plates are additionally provided with two filter ribs.
5. filter plate oil as claimed in claim 3 drives formula oil-gas separating device of engine, it is characterised in that: the coarse filtration orifice plate and The spacing of coarse filtration baffle is 2~5mm, and the aperture in the coarse filtration hole is 3~6mm, and the number in the coarse filtration hole is 10~45 It is a.
CN201811074029.9A 2018-09-14 2018-09-14 A kind of filter plate oil drive formula oil-gas separating device of engine Withdrawn CN109236410A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811074029.9A CN109236410A (en) 2018-09-14 2018-09-14 A kind of filter plate oil drive formula oil-gas separating device of engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811074029.9A CN109236410A (en) 2018-09-14 2018-09-14 A kind of filter plate oil drive formula oil-gas separating device of engine

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Publication Number Publication Date
CN109236410A true CN109236410A (en) 2019-01-18

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Application Number Title Priority Date Filing Date
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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101581242A (en) * 2009-06-12 2009-11-18 奇瑞汽车股份有限公司 Oil and gas separating system embedded in valve chamber cover
JP2011047353A (en) * 2009-08-28 2011-03-10 Toyota Boshoku Corp Oil mist separator
CN104265402A (en) * 2014-09-18 2015-01-07 中国第一汽车股份有限公司 Active oil-gas separator
CN105003320A (en) * 2015-08-12 2015-10-28 安徽江淮汽车股份有限公司 Improved structure of engine oil-gas separator
CN205559013U (en) * 2016-03-31 2016-09-07 潍柴动力股份有限公司 Valve mechanism cover and respiratory
CN106703936A (en) * 2015-11-12 2017-05-24 北汽福田汽车股份有限公司 Engine oil and gas separator and engine assembly
CN206319965U (en) * 2016-12-23 2017-07-11 广州汽车集团股份有限公司 Cover assembly of cylinder head and automobile engine
CN107476850A (en) * 2016-08-11 2017-12-15 宝沃汽车(中国)有限公司 A kind of engine crankcase ventilating apparatus, engine and vehicle
CN108223052A (en) * 2016-12-09 2018-06-29 株式会社Roki Oil eliminator

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101581242A (en) * 2009-06-12 2009-11-18 奇瑞汽车股份有限公司 Oil and gas separating system embedded in valve chamber cover
JP2011047353A (en) * 2009-08-28 2011-03-10 Toyota Boshoku Corp Oil mist separator
CN104265402A (en) * 2014-09-18 2015-01-07 中国第一汽车股份有限公司 Active oil-gas separator
CN105003320A (en) * 2015-08-12 2015-10-28 安徽江淮汽车股份有限公司 Improved structure of engine oil-gas separator
CN106703936A (en) * 2015-11-12 2017-05-24 北汽福田汽车股份有限公司 Engine oil and gas separator and engine assembly
CN205559013U (en) * 2016-03-31 2016-09-07 潍柴动力股份有限公司 Valve mechanism cover and respiratory
CN107476850A (en) * 2016-08-11 2017-12-15 宝沃汽车(中国)有限公司 A kind of engine crankcase ventilating apparatus, engine and vehicle
CN108223052A (en) * 2016-12-09 2018-06-29 株式会社Roki Oil eliminator
CN206319965U (en) * 2016-12-23 2017-07-11 广州汽车集团股份有限公司 Cover assembly of cylinder head and automobile engine

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