CN205172686U - Supercharged engine crankcase ventilation system - Google Patents
Supercharged engine crankcase ventilation system Download PDFInfo
- Publication number
- CN205172686U CN205172686U CN201520890334.0U CN201520890334U CN205172686U CN 205172686 U CN205172686 U CN 205172686U CN 201520890334 U CN201520890334 U CN 201520890334U CN 205172686 U CN205172686 U CN 205172686U
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- CN
- China
- Prior art keywords
- crankcase
- ventilation duct
- branch road
- pipe
- low load
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- Expired - Fee Related
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a supercharged engine crankcase ventilation system, including crankcase forced draft pipe, crankcase body, oil and gas separator assembly, top load ventilation pipe and low load ventilation pipe, crankcase forced draft pipe one end is connected with air cleaner's rear end, the crankcase forced draft pipe other end stretches into the crankcase is originally internal, the oil and gas separator assembly sets up the upper portion of crankcase body, the oil and gas separator assembly is equipped with first branch road and second branch road, first branch road with top load ventilation pipe one end is connected, the second branch road with low load ventilation pipe one end is connected, the top load ventilation pipe other end with air cleaner's rear end is connected, low load ventilation pipe is connected with air intake manifold. Avoid oiliness waste gas directly to scurry into air intake manifold, improve oil -gas separation efficiency, reduce engine oil and consume, improve engine life.
Description
Technical field
The utility model relates to supercharged engine field, particularly a kind of supercharged engine crankcase ventilation system.
Technical background
At present, the crankcase ventilation system that motor car engine extensively adopts is also known as gas recirculation system, its fresh air imports engine crankcase by air-strainer rear end bellows, after mixing with engine piston gas blowby, intake manifold is flowed into through Pcv valve, thus together burn with fresh air, reach the effect of EGR.Its basic structure is made up of crankcase positive crankcase ventilation (PCV) pipe, camshaft cover cap (containing labyrinth type oil gas separation structure), crankcase ventilation valve (one-way flow valves).This engine crankshaft ventilation system, when high-speed high-load operating mode, oil-containing waste gas directly scurries into gas handling system without abundant separation, affects associated component function and life-span, even causes engine oil consumption excessive; The labyrinth type oil-gas separate style that this system adopts, separation effect is lower.
Summary of the invention
The utility model is to solve deficiency of the prior art, provides one and avoids oil-containing waste gas directly to scurry into intake manifold, improves oil-gas separation efficiency, reduces engine oil consumption, improves the supercharged engine crankcase ventilation system of engine life.
The technological scheme of a kind of supercharged engine crankcase ventilation system of the utility model is:
A kind of supercharged engine crankcase ventilation system, comprise positive crankcase ventilation (PCV) pipe, crankcase bodies, deaerator assembly, high loading ventilation duct and low load ventilation duct, described positive crankcase ventilation (PCV) pipe one end is connected with the rear end of air-strainer, the described positive crankcase ventilation (PCV) pipe the other end extend in described crankcase bodies, described deaerator assembly is arranged on the top of described crankcase bodies, described deaerator assembly is provided with the first branch road and the second branch road, described first branch road is connected with described high loading ventilation duct one end, described second branch road is connected with described low load ventilation duct one end, the described high loading ventilation duct the other end is connected with the rear end of described air-strainer, described low load ventilation duct is connected with intake manifold.
The technological scheme of a kind of supercharged engine crankcase ventilation system of the utility model can also be:
Described positive crankcase ventilation (PCV) pipe, described high loading ventilation duct and described low load ventilation duct are equipped with one-way valve.
Described deaerator assembly is provided with fibrous material layer, and described deaerator assembly is integrated with pressure regulator valve assembly.
A kind of supercharged engine crankcase ventilation system of the utility model, comprise positive crankcase ventilation (PCV) pipe, crankcase bodies, deaerator assembly, high loading ventilation duct and low load ventilation duct, described positive crankcase ventilation (PCV) pipe one end is connected with the rear end of air-strainer, the described positive crankcase ventilation (PCV) pipe the other end extend in described crankcase bodies, described deaerator assembly is arranged on the top of described crankcase bodies, described deaerator assembly is provided with the first branch road and the second branch road, described first branch road is connected with described high loading ventilation duct one end, described second branch road is connected with described low load ventilation duct one end, the described high loading ventilation duct the other end is connected with the rear end of described air-strainer, described low load ventilation duct is connected with intake manifold.Like this, to be sent in crankcase bodies via the gas after air-strainer process by positive crankcase ventilation (PCV) pipe, and via the deaerator assembly that crankcase bodies is arranged, the fluid in gas is discharged, avoid the gas of oil-containing directly to scurry into intake manifold, improve oil-gas separation efficiency.And, deaerator assembly is provided with the first branch road and the second branch road, described first branch road is connected with described high loading ventilation duct one end, described second branch road is connected with described low load ventilation duct one end, and the described high loading ventilation duct the other end is connected with the rear end of described air-strainer, and described low load ventilation duct is connected with intake manifold, like this, when engine operation condition is the low load of low speed, gas enters intake manifold by low load ventilation duct, and now high loading ventilation duct is closed; And when engine operation condition is high speed high loading, gas enters the rear end of air-strainer by high loading ventilation duct, now low load ventilation duct is closed, to avoid in prior art when high engine load, the gas of oil-containing directly scurries into intake manifold without separation, reduce engine oil consumption, improve engine life.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of supercharged engine crankcase ventilation system of the utility model;
Figure number explanation
1... positive crankcase ventilation (PCV) pipe 2... high loading ventilation duct 3... low load ventilation duct 4... deaerator assembly 5... crankcase bodies 6... air-strainer
Embodiment
Below in conjunction with specific embodiment, a kind of supercharged engine crankcase ventilation system of the present utility model is further described.
As shown in Figure 1, a kind of supercharged engine crankcase ventilation system, comprise positive crankcase ventilation (PCV) pipe 1, crankcase bodies 5, deaerator assembly 4, high loading ventilation duct 2 and low load ventilation duct 3, described positive crankcase ventilation (PCV) pipe 1 one end is connected with the rear end of air-strainer 6, described positive crankcase ventilation (PCV) pipe 1 the other end extend in described crankcase bodies 5, described deaerator assembly 4 is arranged on the top of described crankcase bodies 5, described deaerator assembly 4 is provided with the first branch road and the second branch road, described first branch road is connected with described high loading ventilation duct 2 one end, described second branch road is connected with described low load ventilation duct 3 one end, described high loading ventilation duct 2 the other end is connected with the rear end of described air-strainer 6, described low load ventilation duct 3 is connected with intake manifold.Like this, by positive crankcase ventilation (PCV) pipe 1, the gas after processing via air-strainer 6 is sent in crankcase bodies 5, and via the deaerator assembly 4 that crankcase bodies 5 is arranged, the fluid in gas is discharged, avoid the gas of oil-containing directly to scurry into intake manifold, improve oil-gas separation efficiency.And, deaerator assembly 4 is provided with the first branch road and the second branch road, described first branch road is connected with described high loading ventilation duct 2 one end, described second branch road is connected with described low load ventilation duct 3 one end, and described high loading ventilation duct 2 the other end is connected with the rear end of described air-strainer 6, and described low load ventilation duct 3 is connected with intake manifold, like this, when engine operation condition is the low load of low speed, gas enters intake manifold by low load ventilation duct 3, and now high loading ventilation duct is closed; And when engine operation condition is high speed high loading, gas enters the rear end of air-strainer 6 by high loading ventilation duct 2, now low load ventilation duct is closed, to avoid in prior art when high engine load, the gas of oil-containing directly scurries into intake manifold without separation, reduce engine oil consumption, improve engine life.
See accompanying drawing 1, a kind of supercharged engine crankcase ventilation system of the present utility model on the basis of technique scheme, Ke Yishi: described positive crankcase ventilation (PCV) pipe 1, described high loading ventilation duct 2 and described low load ventilation duct 3 are equipped with one-way valve.Like this, the setting of one-way valve on positive crankcase ventilation (PCV) pipe 1, provides fresh air for motor and suppresses the waste gas of crankcase bodies 5 to flow backwards.And the closed check valve of high loading ventilation duct 2 and described low load ventilation duct 3 is to prevent the gas backflow of intake manifold, cause the problem that crankcase bodies 5 pressure is excessive.Preferred technological scheme can be further: described deaerator assembly 4 is provided with fibrous material layer, and described deaerator assembly 4 is integrated with pressure regulator valve assembly.Like this, the fibrous material layer using deaerator assembly 4 to arrange carries out Oil-gas Separation, improves separation effect, and the setting of pressure regulator valve assembly controls crankcase pressure balance.
Above-mentionedly only a kind of specific embodiment in the utility model to be illustrated; but can not as protection domain of the present utility model; every equivalence made according to the design spirit in the utility model changes or modifies, and all should think and fall into protection domain of the present utility model.
Claims (3)
1. a supercharged engine crankcase ventilation system, it is characterized in that: comprise positive crankcase ventilation (PCV) pipe, crankcase bodies, deaerator assembly, high loading ventilation duct and low load ventilation duct, described positive crankcase ventilation (PCV) pipe one end is connected with the rear end of air-strainer, the described positive crankcase ventilation (PCV) pipe the other end extend in described crankcase bodies, described deaerator assembly is arranged on the top of described crankcase bodies, described deaerator assembly is provided with the first branch road and the second branch road, described first branch road is connected with described high loading ventilation duct one end, described second branch road is connected with described low load ventilation duct one end, the described high loading ventilation duct the other end is connected with the rear end of described air-strainer, described low load ventilation duct is connected with intake manifold.
2. a kind of supercharged engine crankcase ventilation system according to claim 1, is characterized in that: described positive crankcase ventilation (PCV) pipe, described high loading ventilation duct and described low load ventilation duct are equipped with one-way valve.
3. a kind of supercharged engine crankcase ventilation system according to claim 1 and 2, it is characterized in that: described deaerator assembly is provided with fibrous material layer, described deaerator assembly is integrated with pressure regulator valve assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520890334.0U CN205172686U (en) | 2015-11-10 | 2015-11-10 | Supercharged engine crankcase ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520890334.0U CN205172686U (en) | 2015-11-10 | 2015-11-10 | Supercharged engine crankcase ventilation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205172686U true CN205172686U (en) | 2016-04-20 |
Family
ID=55736688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520890334.0U Expired - Fee Related CN205172686U (en) | 2015-11-10 | 2015-11-10 | Supercharged engine crankcase ventilation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205172686U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107152324A (en) * | 2017-06-09 | 2017-09-12 | 汉格斯特滤清***(昆山)有限公司 | A kind of gs-oil separator |
| CN107448256A (en) * | 2016-06-01 | 2017-12-08 | 通用汽车环球科技运作有限责任公司 | Integrated form PCV oil eliminators and oil filling are managed |
-
2015
- 2015-11-10 CN CN201520890334.0U patent/CN205172686U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107448256A (en) * | 2016-06-01 | 2017-12-08 | 通用汽车环球科技运作有限责任公司 | Integrated form PCV oil eliminators and oil filling are managed |
| CN107152324A (en) * | 2017-06-09 | 2017-09-12 | 汉格斯特滤清***(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***(昆山)有限公司 | A kind of gs-oil separator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20211110 |