CN203717078U - Crankcase ventilation system - Google Patents
Crankcase ventilation system Download PDFInfo
- Publication number
- CN203717078U CN203717078U CN201420082680.1U CN201420082680U CN203717078U CN 203717078 U CN203717078 U CN 203717078U CN 201420082680 U CN201420082680 U CN 201420082680U CN 203717078 U CN203717078 U CN 203717078U
- Authority
- CN
- China
- Prior art keywords
- ventilation system
- oil
- gas
- lower shell
- shell body
- 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.)
- Expired - Fee Related
Links
- 238000009423 ventilation Methods 0.000 title claims abstract description 29
- 238000000926 separation method Methods 0.000 claims abstract description 18
- 238000001746 injection moulding Methods 0.000 claims abstract description 4
- 239000006071 cream Substances 0.000 claims description 8
- 239000003463 adsorbent Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 230000001133 acceleration Effects 0.000 claims description 5
- 239000000835 fiber Substances 0.000 claims description 5
- 238000001179 sorption measurement Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 34
- 239000003921 oil Substances 0.000 description 34
- 239000002912 waste gas Substances 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 239000010721 machine oil Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model relates to a crankcase ventilation system. The crankcase ventilation system comprises an upper shell, a lower shell and an oil-gas separation device, wherein an inlet is formed in the lower shell; an outlet is formed in the upper shell; the upper shell and the lower shell are integrally formed through injection molding; the oil-gas separation device is mounted and fixed between the upper shell and the lower shell; the oil-gas separation device is integrally formed and is simple in structure and low in cost; oil-gas separation is formed inside the oil-gas separation device; more and long connecting pipelines are eliminated, and the risk that the pipelines are iced in winter is prevented.
Description
Technical field
The utility model is about a kind of automobile component, particularly a kind of crankcase ventilation system.
Background technique
During engine operation, a part of inflammable mixture and waste gas are in piston ring leaks into crankcase.After leaking into gasoline vapor in crankcase and condensing, will make lubricant oil thinning.Meanwhile, the high temperature of waste gas and the acidic materials in waste gas and water vapor will corrode part, and lubricants performance is degenerated.In addition, because mixed gas and waste gas enter crankcase, the pressure in crankcase is increased, temperature raises, and easily makes machine oil from outside seepages such as oil sealing, liners.
For this reason, motor car engine has crankcase bleeder, in time the mixed gas and the waste gas that enter in crankcase are extracted out, makes live gas enter crankcase, forms constantly convection current.Crankcase ventilation mode generally has two kinds, and a kind of is natural ventilation, and another kind is forced ventilation.Because natural ventilation meeting pollutes air, so increasing producer all adopts forced ventilation.
Mostly common diesel engine is aluminum alloy cylinder cover guard shield, and adopts external hanging type deaerator more, and connecting pipeline is many and long, difficult layout, and also need periodic maintenance, oil sump is directly got back in oil return, and the easy suck-back machine oil of one-way valve is not installed.
Therefore there is aluminum alloy cylinder cover guard shield Heavy Weight, and not attractive in appearance, crankcase ventilation system adopts oil outer gas separating device more, and connecting pipeline is many and long, and has in the winter time icing risk.
Model utility content
For solving the problems of the technologies described above, the utility model provides a kind of crankcase ventilation system, it comprises housing, on described housing, be provided with mixed oil and gas entrance and separation oil and gas outlet, wherein: described housing comprises upper shell and lower shell body, and the gas and oil separating plant between described upper shell and lower shell body, described entrance is positioned on described lower shell body, described outlet is positioned on described upper shell, and described upper shell and described lower shell body pass through respectively injection moulding integrated molding.
Optionally, between described upper shell and described lower shell body, by friction welding mode, be fixedly connected with, described gas and oil separating plant is fixed between described upper shell and described lower shell body.
Optionally, in described separation oil and gas outlet port, be also provided with PCV valve.
Optionally, described PCV valve is logical is fixedly connected with described upper shell.
Optionally, described gas and oil separating plant comprises the separating plate parallel with described mixed oil and gas path, and the adsorbent equipment vertical with described mixed oil and gas path.
Optionally, described adsorbent equipment comprises and accelerates orifice plate and fibers adsorption thing, and the bore dia in described acceleration orifice plate is 2.5mm, and between hole, spacing is 2.5mm.
Optionally, described PCV valve and described gas and oil separating plant are positioned at the exhaust side of motor.
Optionally, the outlet of described PCV valve is connected with intake manifold.
Optionally, described lower shell body has the shoe cream room of collecting separated oil droplet.
Optionally, in the bottom of described shoe cream room, have return check valve, described one-way valve is connected with rocker arm chamber, and described return check valve 6 is fixedly linked by friction welding mode and described lower shell body 8.
Ventilation system in the utility model, adopt one-body molded housing parts, cost simple in structure is low, and in inside, form Oil-gas Separation, avoided aluminum alloy cylinder cover guard shield Heavy Weight, and not attractive in appearance, crankcase ventilation system adopts oil outer gas separating device more, connecting pipeline is many and long, and has in the winter time icing risk.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment's crankcase ventilation system;
Fig. 2 is the schematic diagram of the utility model gas and oil separating plant;
Fig. 3 is lower shell body schematic diagram of the present utility model.
Reference character: 1 entrance, 2 accelerate orifice plate, 3 fibers adsorption things, 4PCV valve, 5 shoe cream rooms, 6 return check valves, 7 upper shells, 8 lower shell bodys, 9 separating plates, 10 gas and oil separating plants, 11 outlets.
Embodiment
As shown in Figures 1 to 3, the utility model provides a kind of crankcase ventilation system, it comprises housing, on described housing, be provided with mixed oil and gas entrance 1 and separation oil and gas outlet 11, wherein: described housing comprises upper shell 7 and lower shell body 8, and the gas and oil separating plant 10 between described upper shell 7 and lower shell body 8, described entrance 1 is positioned on described lower shell body 8, described outlet 11 is positioned on described upper shell 7, and described upper shell 7 and described lower shell body 8 pass through respectively injection moulding integrated molding.
Ventilation system in the utility model, adopt one-body molded housing parts, cost simple in structure is low, and in inside, form Oil-gas Separation, avoided aluminum alloy cylinder cover guard shield Heavy Weight, and not attractive in appearance, crankcase ventilation system adopts oil outer gas separating device more, connecting pipeline is many and long, and has in the winter time icing risk.
As improvement of the present utility model, between described upper shell 7 and described lower shell body 8, by friction welding mode, be fixedly connected with, described gas and oil separating plant 10 is fixed between described upper shell 7 and described lower shell body 8.
In the utility model, its level of integration of ventilation system is high, and plastic cylinder guard shield is lightweight, attractive in appearance, cost-saving, saves engine decorative cover cap; Connecting pipeline is few and short, reduces the icing risk of use in winter.
As an embodiment of the present utility model, at described separation oil and gas, export 11 places and be also provided with PCV valve 4.Preferred described PCV valve 4 is fixedly connected with described upper shell 7.
As a preferred embodiment of the present utility model, described gas and oil separating plant 10 comprises the separating plate 9 parallel with described mixed oil and gas path, and the adsorbent equipment vertical with described mixed oil and gas path.As shown in Figure 1, mixed oil and gas is carried out after separation along the direction of arrow, by air outlet 11 divided gas flows.And gas and oil separating plant 10 carries out separation to it on its motion circuit.
As preferred separate mode, described adsorbent equipment 10 comprises acceleration orifice plate 2 and fibers adsorption thing 3, and the bore dia in wherein said acceleration orifice plate is 2.5mm, and between hole, spacing is 2.5mm.
As embodiment of the present utility model, described PCV valve 4 and described gas and oil separating plant 10 are positioned at the exhaust side of motor.Wherein preferred, the outlet of described PCV valve 4 is connected with intake manifold (not shown).
As an improvement of the present utility model, described lower shell body 8 has the shoe cream room 5 of collecting separated oil droplet.As further improving, in the bottom of described shoe cream room 5, there is return check valve 6, described one-way valve 6 is connected with rocker arm chamber (not shown), and described return check valve 6 is fixedly linked by friction welding mode and described lower shell body 8.
In use, mixed oil and gas enters in housing through entrance 1 this system, in upper shell 7, after accelerating orifice plate 2 acceleration, strikes on fibers adsorption thing 3, forms Oil-gas Separation.Gas after separation enters intake manifold through exporting the PCV valve 4 at 11 places, and the oil droplet after separation enters the shoe cream room 5 in lower shell body 8, through return check valve 6 oil returns, arrives rocker arm chamber.
Should be appreciated that the claimed scope of the utility model is not limited to non-limiting embodiments, should be appreciated that non-limiting embodiments describes as just example.The protection domain of the essence that the application will require is more embodied in the scope that independent claims provide, with and dependent claims.
Claims (10)
1. a crankcase ventilation system, it comprises housing, on described housing, be provided with mixed oil and gas entrance and separation oil and gas outlet, it is characterized in that: described housing comprises upper shell and lower shell body, and the gas and oil separating plant between described upper shell and lower shell body, described entrance is positioned on described lower shell body, and described outlet is positioned on described upper shell, and described upper shell and described lower shell body pass through respectively injection moulding integrated molding.
2. ventilation system as claimed in claim 1, is characterized in that: between described upper shell and described lower shell body, by friction welding mode, be fixedly connected with, described gas and oil separating plant is fixed between described upper shell and described lower shell body.
3. ventilation system as claimed in claim 2, is characterized in that: in described separation oil and gas outlet port, be also provided with PCV valve.
4. ventilation system as claimed in claim 3, is characterized in that: described PCV valve is logical to be fixedly connected with described upper shell.
5. ventilation system as claimed in claim 4, is characterized in that: described gas and oil separating plant comprises the separating plate parallel with described mixed oil and gas path, and the adsorbent equipment vertical with described mixed oil and gas path.
6. ventilation system as claimed in claim 5, is characterized in that: described adsorbent equipment comprises and accelerate orifice plate and fibers adsorption thing, and the bore dia in described acceleration orifice plate is 2.5mm, and between hole, spacing is 2.5mm.
7. ventilation system as claimed in claim 4, is characterized in that: described PCV valve and described gas and oil separating plant are positioned at the exhaust side of motor.
8. ventilation system as claimed in claim 4, is characterized in that: the outlet of described PCV valve is connected with intake manifold.
9. ventilation system as claimed in claim 4, is characterized in that: described lower shell body has the shoe cream room of collecting separated oil droplet.
10. ventilation system as claimed in claim 9, is characterized in that: the bottom at described shoe cream room has return check valve, and described one-way valve is connected with rocker arm chamber, and described return check valve 6 is fixedly linked by friction welding mode and described lower shell body 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420082680.1U CN203717078U (en) | 2014-02-25 | 2014-02-25 | Crankcase ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420082680.1U CN203717078U (en) | 2014-02-25 | 2014-02-25 | Crankcase ventilation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717078U true CN203717078U (en) | 2014-07-16 |
Family
ID=51156240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420082680.1U Expired - Fee Related CN203717078U (en) | 2014-02-25 | 2014-02-25 | Crankcase ventilation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717078U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084016A (en) * | 2017-06-28 | 2017-08-22 | 安徽江淮汽车集团股份有限公司 | A kind of engine blow-by gas discharges component |
| CN107152324A (en) * | 2017-06-09 | 2017-09-12 | 汉格斯特滤清系统(昆山)有限公司 | A kind of gs-oil separator |
-
2014
- 2014-02-25 CN CN201420082680.1U patent/CN203717078U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152324A (en) * | 2017-06-09 | 2017-09-12 | 汉格斯特滤清系统(昆山)有限公司 | A kind of gs-oil separator |
| CN107152324B (en) * | 2017-06-09 | 2018-06-22 | 汉格斯特滤清系统(昆山)有限公司 | A kind of gs-oil separator |
| CN107084016A (en) * | 2017-06-28 | 2017-08-22 | 安徽江淮汽车集团股份有限公司 | A kind of engine blow-by gas discharges component |
| CN107084016B (en) * | 2017-06-28 | 2019-08-06 | 安徽江淮汽车集团股份有限公司 | A kind of engine blow-by gas discharge component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: Hefei City, Anhui Province, 230022 East Road No. 176 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20190225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |