CN104879192A - Oil-gas separator of crankcase - Google Patents
Oil-gas separator of crankcase Download PDFInfo
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- CN104879192A CN104879192A CN201510316829.7A CN201510316829A CN104879192A CN 104879192 A CN104879192 A CN 104879192A CN 201510316829 A CN201510316829 A CN 201510316829A CN 104879192 A CN104879192 A CN 104879192A
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- crankcase
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Abstract
The invention provides an oil-gas separator of a crankcase. The oil-gas separator comprises a box-type casing, wherein a gas inlet and a gas outlet are arranged on left and right side surfaces of the casing respectively, and a perforated plate, a liner plate and a guide plate are sequentially and vertically arranged between upper and lower bottom plates of the casing from the gas inlet to the gas outlet; the perforated plate is fixed on the upper and lower bottom plates, the liner plate is fixed on the upper bottom plate, the guide plate is fixed on the lower bottom plate, the liner plate and the guide plate are staggered to form a ventilation channel, non-woven fabric is fixedly arranged on the front side surface of the liner plate, and an oil outlet is arranged on the lower bottom plate at the bottom of the guide plate. The oil-gas separator is simple and compact in structure and effectively solves the problem of heavy pressure loss of a traditional oil-gas separator due to the complex structure. The non-woven fabric and impact type separation are combined, in cooperation with the specific arrangement manner of the perforated plate and the guide plate, oil drops with the diameter smaller than 1.0 micrometer in leaked gas of the crankcase are effectively separated, and the higher oil-gas separation efficiency is realized.
Description
Technical field
The present invention relates to a kind of gas and oil separating plant, particularly relate to a kind of engine crankcase deaerator.
Background technique
With the increase of automobile pollution, the pollution of atmosphere caused by vehicle exhaust is more and more serious, the laws and regulations requirement also increasingly stringent of motor vehicle emission.Engine crankcase gas blowby is the one of the main reasons causing vehicle emission pollution, and thus carrying out Oil-gas Separation to crankcase gas blowby is the effective measures reduced pollution emissions; Each Automobile Enterprises also growing interest Oil-gas Separation performance under promoting Under Different Work Condition of Engine.The gas oil separation structure that current motor is conventional is mazy type+vortex type, and oil-gas separation efficiency is the highest is about 84%, the highest emission standard making motor meet Europe V.
Along with the progress of whole engine technology, the size of the olesome in crankcase ventilation gas is more tiny than conventional engines, and a large amount of machine oil particles that crankcase ventilation gas carries effectively can not be separated by the piece-rate system of current use.Along with improving constantly of emission request, the oil-gas separation efficiency of crankcase gas blowby at least will reach more than 90%, the deficiency of separating power result in motor loss machine oil when running, the machine oil of these losses enters gas handling system, not only have impact on the performance of motor, also will cause air environmental pollution.
Summary of the invention
The oil and gas separating system that the present invention is directed to current use effectively cannot be separated the technical problem of less oil droplet, proposes a kind of compact structure, the deaerator that separation effect is high.
In order to achieve the above object, the technical solution used in the present invention is:
A kind of crankcase oils gas separating device, comprise box-type shell, described shell left and right side is respectively arranged with suction port and air outlet, is vertically provided with porous slab, liner plate and guide plate successively between the upper and lower base plate of described shell from suction port to air outlet; Porous slab is fixed on upper and lower base plate, and liner plate is fixed on upper plate, and guide plate is fixed on lower shoe, and liner plate and guide plate are crisscross arranged formation vent passages, and liner plate leading flank is fixedly installed nonwovens, and the lower shoe bottom guide plate is provided with oil outlet.
As preferably, the lower shoe on front side of described porous slab and air outlet is provided with oil outlet.
As preferably, the lower shoe on front side of described porous slab and air outlet is provided with oil outlet, below oil outlet, is connected with return tube.
As preferably, described suction port is positioned at the bottom of side wall of outer shell.
As preferably, described porous slab top is provided with pore, bottom pore-free.
As preferably, described upper plate is cylinder cover of engine, and described air outlet to be arranged on shell trailing flank and to lead to outside cylinder cover of engine.
Compared with prior art, advantage of the present invention and good effect are:
1. this deaerator, simple and compact for structure, effectively avoids traditional oils gas separating device to cause the problem that crushing is large because of complex structure.
2., by the combination that nonwovens is separated with bumping type, coordinate the specific configuration mode of porous slab and guide plate, achieve effective separation that diameter in crankcase gas blowby is less than the oil droplet of 1.0 microns, reach higher oil-gas separation efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of crankcase oils gas separating device of the present invention;
Fig. 2 is the sectional view schematic diagram of crankcase oils gas separating device of the present invention;
Fig. 3 is the face upwarding stereogram of crankcase oils gas separating device of the present invention;
Fig. 4 be crankcase oils gas separating device of the present invention cut structure disassembly diagram open;
Fig. 5 is the sectional view of crankcase oils gas separating device of the present invention;
Above in each figure: 1, shell; 11, upper plate; 12, lower shoe; 13, suction port; 14, air outlet; 15, mounting hole; 16, oil outlet; 17, return tube; 2, porous slab; 3, liner plate; 4, guide plate; 5, nonwovens; 6, cylinder cover of engine.
Embodiment
For a better understanding of the present invention, illustrate below in conjunction with drawings and Examples.In describing the invention, " on ", the orientation of the instruction such as D score or position relationship for based on the position shown in accompanying drawing 2, one end of air inlet is front, and the one end of giving vent to anger is rear.
Embodiment one: as shown in Figure 1 and Figure 2, a kind of crankcase oils gas separating device, comprise box-type shell 1, described shell 1 left and right side is respectively arranged with suction port 13 and air outlet 14, is vertically provided with porous slab 2, liner plate 3 and guide plate 4 successively between the upper and lower base plate 11,12 of described shell from suction port 13 to air outlet 14.Porous slab 2 is fixed on upper and lower base plate, liner plate 3 is fixed on upper plate 11, and guide plate 4 is fixed on lower shoe 12, and liner plate 3 and guide plate 4 are crisscross arranged formation vent passages, liner plate 3 leading flank is adhesive with nonwovens 5, and nonwovens 5 material is PET or other more solid material.Lower shoe 12 bottom guide plate 4 is provided with oil outlet.Nonwovens 5 is grouped together with shock separate mode and defines a kind of new deaerator by this gas and oil separating plant, and crankcase gas blowby accelerates by porous slab 2 is rear, the air impingement nonwovens 5 of acceleration, and the aggegation in nonwovens of small machine oil particle is separated.This deaerator not only can be separated larger oil droplet, and can also be separated the droplet that diameter is less than 1.0 microns, separation effect is high.Even if nonwovens plugs in theory, crankcase ventilation system still keeps clear, gas still can by liner plate 3 and guide plate 4 be crisscross arranged formed vent passages.Under laboratory and the special pollutional condition of motor, do life-span period measuring, nonwovens 5 does not still block.Under 900 h cycle continue Engine operating conditions, nonwovens 5 does not significantly block, and still can reach Oil-gas Separation ability completely.
Shell 1 is arranged mounting hole 15, return tube 17 is set below oil outlet 16, namely form complete oil and gas separating system, be arranged on the Oil-gas Separation of automobile carrying out crankcase gas blowby, simple and compact for structure.
In order to better machine oil is recycled to oil sump, the lower shoe 12 on front side of described porous slab 2 and air outlet be provided with oil outlet 16, below oil outlet 16, is connected with return tube 17.Impinge upon the oil droplet on porous slab 2 and oil outlet 16 sidewall, flow on lower shoe 12 after collecting, arrange like this and it can be made to flow in oil sump, all reclaim.
Described suction port 13 is positioned at the bottom of side wall of outer shell, and described porous slab 2 top is provided with pore, bottom pore-free.Air-flow suction port 13 from below enters in segregating unit, larger oil droplet declines under gravity, impinge upon porous slab 2 bottom, directly stay along porous slab, little oil droplet rises with gas, by accelerating after the pore of porous slab, impinge upon on nonwovens 5, air ring is around the fiber flow of nonwovens, and small machine oil particle is separated from air-flow, is aggregated into larger machine oil particle and drips downwards.Gas moves forward from the space below liner plate 3, the larger oil droplet of below is driven to impinge upon on guide plate 4, gas is passed through by the space above guide plate 4 and goes out from air outlet 14, enters intake manifold or gas compressor front end, enters firing chamber participate in burning with fresh air.The arrangement mode of each parts of whole gas and oil separating plant, takes into full account air-flow trend and oil droplet gravity, achieves the separation of the maximal efficiency of crankcase gas blowby.
Embodiment two: for adapting to vehicle complete vehicle arrangement requirement, on-board engine structural design is compacter, is generally arranged in valve mechanism cover 6 by crankcase ventilation system.As in Figure 3-5, the present embodiment proposes a kind of crankcase oils gas separating device, comprise cylinder cover of engine 6 and gas and oil separating plant, described gas and oil separating plant comprises the shell 1 of uncovered housing structure, porous slab 2, liner plate 3 and guide plate 4, described liner plate 3 is vertically fixed on cylinder cover of engine 6 upper plate 11, and described porous slab 2 and guide plate 4 are vertically fixed on shell 1 lower shoe 12; Be arranged on by shell 1 after below cylinder cover of engine 1 and form oil-gas separation chamber, now liner plate 3 is between porous slab 2 and guide plate 4, and liner plate 3 is provided with nonwovens 5 near the side of porous slab 2; Described shell 1 is provided with suction port 13 on the side sidewall of porous slab 2, the lower shoe 12 on front side of another sidewall, guide plate 4 and porous slab 2 is provided with oil outlet 16, is connected with return tube 17 below oil outlet 16; Shell 1 rear wall is provided with air outlet 14.Using method is identical with embodiment one, repeats no more herein.This deaerator realizes the efficient Oil-gas Separation of the crankcase gas blowby under Under Different Work Condition of Engine, and compact structure, effectively avoids the pressure loss.Comparative test display nonwovens ram can reach the separation effect of a higher level than cyclone separator, the lower pressure loss, total score from after the total engine oil carrying quantity of crankcase ventilation be less than 0.5 g/h, motor is possessed meet the ability of Europe VI emission standard.
The above; it is only preferred embodiment of the present invention; it is not restriction the present invention being made to other form; the Equivalent embodiments that any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as equivalent variations is applied to other field; but everyly do not depart from technical solution of the present invention content; according to any simple modification, equivalent variations and remodeling that technical spirit of the present invention is done above embodiment, still belong to the protection domain of technical solution of the present invention.
Claims (6)
1. a crankcase oils gas separating device, it is characterized in that: comprise box-type shell, described shell left and right side is respectively arranged with suction port and air outlet, is vertically provided with porous slab, liner plate and guide plate successively between the upper and lower base plate of described shell from suction port to air outlet; Porous slab is fixed on upper and lower base plate, and liner plate is fixed on upper plate, and guide plate is fixed on lower shoe, and liner plate and guide plate are crisscross arranged formation vent passages, and liner plate leading flank is fixedly installed nonwovens, and the lower shoe bottom guide plate is provided with oil outlet.
2. crankcase oils gas separating device according to claim 1, is characterized in that: the lower shoe on front side of described porous slab and air outlet is provided with oil outlet.
3. crankcase oils gas separating device according to claim 2, is characterized in that: described shell is provided with mounting hole, is provided with return tube below described oil outlet.
4. crankcase oils gas separating device according to claim 3, is characterized in that: described suction port is positioned at the bottom of side wall of outer shell.
5. crankcase oils gas separating device according to claim 4, is characterized in that: described porous slab top is provided with pore, bottom pore-free.
6. crankcase oils gas separating device according to claim 1 and 2, is characterized in that: described upper plate is cylinder cover of engine, and described air outlet to be arranged on shell trailing flank and to lead to outside cylinder cover of engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316829.7A CN104879192A (en) | 2015-06-11 | 2015-06-11 | Oil-gas separator of crankcase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510316829.7A CN104879192A (en) | 2015-06-11 | 2015-06-11 | Oil-gas separator of crankcase |
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| Publication Number | Publication Date |
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| CN104879192A true CN104879192A (en) | 2015-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510316829.7A Pending CN104879192A (en) | 2015-06-11 | 2015-06-11 | Oil-gas separator of crankcase |
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| CN (1) | CN104879192A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2018091286A (en) * | 2016-12-06 | 2018-06-14 | 三菱自動車工業株式会社 | Cylinder head cover and engine including the same |
| CN108533356A (en) * | 2018-05-17 | 2018-09-14 | 北京光宇之勋科技有限公司 | A kind of gs-oil separator for diesel engine |
| CN111852612A (en) * | 2020-08-31 | 2020-10-30 | 天津内燃机研究所（天津摩托车技术中心） | Filter cotton oil-gas separation device and filter cotton oil-gas separator |
| CN112479309A (en) * | 2020-11-10 | 2021-03-12 | 无锡海拓环保装备科技有限公司 | High-efficient oil interceptor |
| CN114458420A (en) * | 2022-02-10 | 2022-05-10 | 河北工业大学 | Oil-gas separator of inserting plate type engine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201635800U (en) * | 2010-01-29 | 2010-11-17 | 奇瑞汽车股份有限公司 | Oil and gas separating device of engine |
| CN102852593A (en) * | 2012-08-01 | 2013-01-02 | 奇瑞汽车股份有限公司 | Oil-gas separator assembly of crankcase ventilation system |
| CN104005814A (en) * | 2014-06-12 | 2014-08-27 | 安徽江淮汽车股份有限公司 | Oil-gas separation structure and cylinder cover shield assembly |
-
2015
- 2015-06-11 CN CN201510316829.7A patent/CN104879192A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201635800U (en) * | 2010-01-29 | 2010-11-17 | 奇瑞汽车股份有限公司 | Oil and gas separating device of engine |
| CN102852593A (en) * | 2012-08-01 | 2013-01-02 | 奇瑞汽车股份有限公司 | Oil-gas separator assembly of crankcase ventilation system |
| CN104005814A (en) * | 2014-06-12 | 2014-08-27 | 安徽江淮汽车股份有限公司 | Oil-gas separation structure and cylinder cover shield assembly |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2018091286A (en) * | 2016-12-06 | 2018-06-14 | 三菱自動車工業株式会社 | Cylinder head cover and engine including the same |
| CN108533356A (en) * | 2018-05-17 | 2018-09-14 | 北京光宇之勋科技有限公司 | A kind of gs-oil separator for diesel engine |
| CN108533356B (en) * | 2018-05-17 | 2023-12-29 | 北内(天津)科技股份有限公司 | Oil-gas separator for diesel engine |
| CN111852612A (en) * | 2020-08-31 | 2020-10-30 | 天津内燃机研究所（天津摩托车技术中心） | Filter cotton oil-gas separation device and filter cotton oil-gas separator |
| CN112479309A (en) * | 2020-11-10 | 2021-03-12 | 无锡海拓环保装备科技有限公司 | High-efficient oil interceptor |
| CN114458420A (en) * | 2022-02-10 | 2022-05-10 | 河北工业大学 | Oil-gas separator of inserting plate type engine |
| CN114458420B (en) * | 2022-02-10 | 2023-02-24 | 河北工业大学 | Oil-gas separator of inserting plate type engine |
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Application publication date: 20150902 |