CN207554146U - For anti-freeze crankcase ventilation system - Google Patents
For anti-freeze crankcase ventilation system Download PDFInfo
- Publication number
- CN207554146U CN207554146U CN201721368730.2U CN201721368730U CN207554146U CN 207554146 U CN207554146 U CN 207554146U CN 201721368730 U CN201721368730 U CN 201721368730U CN 207554146 U CN207554146 U CN 207554146U
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- China
- Prior art keywords
- oil
- liquid collector
- respiratory siphon
- return pipe
- full load
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Abstract
It is a kind of to be used for anti-freeze crankcase ventilation system, gs-oil separator is equipped with machine oil export mouth and gaseous composition export mouth, machine oil export mouth is connected with gs-oil separator oil return pipe, umbrella shape film is fixed in gs-oil separator oil return pipe, gs-oil separator oil return pipe extends to oil sump, gaseous composition export mouth is connected with the first full load respiratory siphon, check valve is fixed in first full load respiratory siphon, fixedly separated cotton in liquid collector, first full load respiratory siphon extends in liquid collector and wears separation cotton, second full load respiratory siphon one end is connected with clean air inlet pipe, the other end is extended in liquid collector and above separation cotton, liquid collector lower part is conducted to oil sump by liquid collector oil return pipe, umbrella shape film is fixed in liquid collector oil return pipe.After the gas blowby drying and separation that gs-oil separator are come out during big load, containing few steam, can solve full load respiratory siphon ice formation issues；Remove sub-load respiratory siphon, when Smaller load walks cylinder cap inner passage, can avoid ice formation issues.
Description
Technical field
The utility model is related to technical field of engines, and anti-freeze crankcase ventilation system is used for more particularly to a kind of
System.
Background technology
At present, emission regulation is more and more stringenter, and Modern Car is all united using positive crankcase ventilation system.In extremely cold area,
The respiratory siphon that engine blow-by gas is united via positive crankcase ventilation system encounters the ice-cold air inlet of cleaned air pipe, is easy to cause knot
Ice.
For crankcase ventilation system respiratory siphon ice formation issues, current major whole-car firm mainly takes heat preservation, expansion to exhale
The two kinds of measures of suction pipe and clean interface tube.Heat preservation mainly increases temperature of the engine blow-by gas after respiratory siphon, reduces and meet ice
The possibility that cold air inlet freezes generally takes electric heater unit, respiratory siphon to be arranged in above exhaust side, beautifies the cover and respiratory siphon
Increase heat-preservation cotton etc.；Expand respiratory siphon and cleaned air interface tube, mainly increase per-interface space, pipe plug will be breathed by reducing to freeze
Dead possibility generally has and adds liquid-collecting box between, increases dilatation chamber in interface.
The above method, electrical heating need additional consumption energy, increase complete-vehicle oil consumption；Exhaust side is arranged in, to breathing tubing
Material has higher requirement, and is easy to cause the interference of engine other pipelines；Respiratory siphon icing cannot thoroughly be solved by increasing heat-preservation cotton
Problem；Increase liquid-collecting box, when temperature is not very low, the gas mixture in gas blowby can be caused to concentrate at, liquid is formed in liquid-collecting box
Gas mixture, road bump liquefied mixture can suck compressor, and there are risks；Dilatation cavate can only extend respiratory siphon icing
The time blocked can not thoroughly solve respiratory siphon ice formation issues.
Utility model content
The utility model is in view of the problems of the existing technology and insufficient, provides a kind of for anti-freeze crankcase ventilation
System, not additional consumption of engine energy.
The utility model is to solve above-mentioned technical problem by following technical proposals：
The utility model offer is a kind of for anti-freeze crankcase ventilation system, and feature is, including oil gas point
From device, gs-oil separator oil return pipe, oil sump, the first full load respiratory siphon, liquid collector, separation cotton, liquid collector oil return pipe,
Second full load respiratory siphon and clean air inlet pipe；
Organic oil export mouth and gaseous composition export mouth are opened up on the gs-oil separator, the machine oil export mouth and the oil gas point
It is connected from device oil return pipe, the first umbrella shape film is fixed in the gs-oil separator oil return pipe, which extends to
The oil sump, the gaseous composition export mouth are connected with the first full load respiratory siphon, fixed in the first full load respiratory siphon
There is full load respiratory siphon check valve, the separation cotton is fixed in the liquid collector, which extends to the liquid collecting
In device and the separation cotton is worn, one end of the second full load respiratory siphon is connected with the clean air inlet pipe, the other end extends to
In the liquid collector and above the separation cotton, the lower part of the liquid collector is conducted to the oil by the liquid collector oil return pipe
Bottom case is fixed with the second umbrella shape film in the liquid collector oil return pipe.
Preferably, the lower part of the liquid collector is connected by the liquid collector oil return pipe with the gs-oil separator oil return pipe
It is logical.
Preferably, the crankcase ventilation system further includes cylinder cap and inlet manifold, it is further opened with altering on the gs-oil separator
Conductance exports, which is connected by the inner passage of the cylinder cap with the inlet manifold, solid in the gas blowby export mouth
Surely there is sub-load respiratory siphon check valve.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can arbitrarily combine to get the utility model respectively compared with
Good example.
The positive effect of the utility model is：
The anti-freeze crankcase ventilation system of the utility model, during big load, the gas blowby that gs-oil separator is come out is dried
After separation, containing few steam, full load respiratory siphon ice formation issues can be fundamentally solved；Remove sub-load breathing
Pipe during Smaller load, walks cylinder cap inner passage, can be to avoid ice formation issues.
Description of the drawings
Fig. 1 is the structure diagram for anti-freeze crankcase ventilation system of the utility model preferred embodiment.
Specific embodiment
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, those of ordinary skill in the art's all other embodiments obtained under the premise of creative work is not made all belong to
In the range of the utility model protection.
As shown in Figure 1, the present embodiment provides a kind of for anti-freeze crankcase ventilation system, including gs-oil separator
1st, gs-oil separator oil return pipe 2, the first umbrella shape film 3, oil sump 4, full load respiratory siphon check valve 5, the first full load respiratory siphon
6th, cotton 7, liquid collector 8, liquid collector oil return pipe 9, the second umbrella shape film 10, the second full load respiratory siphon 11, clean air inlet are detached
Pipe 12, sub-load respiratory siphon check valve 13, cylinder cap 14 and inlet manifold 15.
Organic oil export mouth, gaseous composition export mouth and gas blowby export mouth, machine oil export are opened up on the gs-oil separator 1
Mouth is connected with the gs-oil separator oil return pipe 2, and the first umbrella shape film 3, the oil gas are fixed in the gs-oil separator oil return pipe 2
Separator oil return pipe 3 extends to the oil sump 4.
The gaseous composition export mouth is connected with the first full load respiratory siphon 6, fixed in the first full load respiratory siphon 6
There is the full load respiratory siphon check valve 5, the separation cotton 7 is fixed in the liquid collector 8, which extends to
In the liquid collector 8 and the separation cotton 7 is worn, one end of the second full load respiratory siphon 11 is connected with the clean air inlet pipe 12
The logical, other end is extended in the liquid collector 8 and positioned at 7 top of separation cotton, and the lower part of the liquid collector 8 passes through the liquid collector
Oil return pipe 9 is connected with the gs-oil separator oil return pipe 2, and the second umbrella shape film 10 is fixed in the liquid collector oil return pipe 9.
The gas blowby export mouth is connected by the inner passage of the cylinder cap 14 with the inlet manifold 15, in the gas blowby export mouth
It is fixed with sub-load respiratory siphon check valve 13.
Engine load is different, and engine blow-by gas exhalation pipeline is different.
During big load, engine blow-by gas is after the separation of gs-oil separator 1, and the machine oil drop separated is through gs-oil separator
Oil return pipe 2, the first umbrella shape film 3 flow to oil sump 4, and the machine oil drop separated opens the first umbrella shape film 3 due to gravity
Oil sump 4 is flowed to, while ensures that do not have gas blowby reversely flows to gs-oil separator 1 from gs-oil separator oil return pipe 2.
Gas blowby with ingredients such as steam, machine oil steam flows to the breathing of the first full load through full load respiratory siphon check valve 5
Pipe 6 enter liquid collector 8, full load respiratory siphon check valve 5 ensure gas will not reverse flow oil return gas separating device 1, liquid collector 8
Separation cotton 7 is inside arranged, the first full load respiratory siphon 6 is inserted into the lower section of separation cotton 7, and separation cotton 7 plays a part of dry and detaches,
Gas blowby after dry separation enters clean air inlet pipe 12 after detaching cotton 7 by the second full load respiratory siphon 11, separates
Small water droplet and small machine oil drop flow back to oil sump 4 by liquid collector oil return pipe 9, is arranged on liquid collector oil return pipe 9
Two umbrella shape films 10, prevent gas from reversely flowing back to liquid collector 8 from liquid collector oil return pipe 9.
During Smaller load, engine blow-by gas is entered through sub-load respiratory siphon check valve 13 by the inner passage of cylinder cap 14
Inlet manifold 15 does not need to external sub-load respiratory siphon so, is arranged in cylinder cap, and the work calories of engine can be kept away
Exempt from part load conditions lower crankcase ventilating system ice formation issues.
The ingredient that the utility model freezes mainly for the steam in gas blowby, machine oil steam etc. is separated to be easy to.In bent axle
The liquid collector of the dry separation of box ventilation system respiratory siphon medium design one, by ingredients such as steam, the machine oil steam in gas blowby
It filters out, oil return pipe of the liquid parts filtered out from liquid collector oil return pipe along gs-oil separator flows to oil sump.Such as
This, gas blowby is in clean air inlet pipe is encountered before cold gas, and separated to fall to be easy to anti-freeze component, fundamentally solution crankcase leads to
Wind system respiratory siphon ice formation issues.
During small engine load, engine blow-by gas walks cylinder cap inner passage to inlet manifold, and the work calories of engine can
Crankcase ventilation system freezes during preventing Smaller load.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
These are merely examples, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
Member can make these embodiments numerous variations or repair under the premise of the principle and essence without departing substantially from the utility model
Change, but these change and modification each fall within the scope of protection of the utility model.
Claims (3)
1. a kind of be used for anti-freeze crankcase ventilation system, which is characterized in that it includes gs-oil separator, gs-oil separator returns
Oil pipe, oil sump, the first full load respiratory siphon, liquid collector, separation cotton, liquid collector oil return pipe, the second full load respiratory siphon,
And clean air inlet pipe；
Organic oil export mouth and gaseous composition export mouth are opened up on the gs-oil separator, the machine oil export mouth and the gs-oil separator
Oil return pipe is connected, and the first umbrella shape film is fixed in the gs-oil separator oil return pipe, which extends to the oil
Bottom case, the gaseous composition export mouth are connected with the first full load respiratory siphon, are fixed in the first full load respiratory siphon complete
Load respiratory siphon check valve is fixed with the separation cotton in the liquid collector, which extends to the liquid collector
Interior and wear the separation cotton, one end of the second full load respiratory siphon is connected with the clean air inlet pipe, the other end extends to the collection
In liquid device and above the separation cotton, the lower part of the liquid collector is conducted to the oil bottom by the liquid collector oil return pipe
Shell is fixed with the second umbrella shape film in the liquid collector oil return pipe.
2. it to be used for anti-freeze crankcase ventilation system as described in claim 1, which is characterized in that the lower part of the liquid collector
It is connected by the liquid collector oil return pipe with the gs-oil separator oil return pipe.
3. it to be used for anti-freeze crankcase ventilation system as described in claim 1, which is characterized in that the crankcase ventilation system
Cylinder cap and inlet manifold are further included, gas blowby export mouth is further opened on the gs-oil separator, which passes through the cylinder cap
Inner passage be connected with the inlet manifold, sub-load respiratory siphon check valve is fixed in the gas blowby export mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721368730.2U CN207554146U (en) | 2017-10-23 | 2017-10-23 | For anti-freeze crankcase ventilation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721368730.2U CN207554146U (en) | 2017-10-23 | 2017-10-23 | For anti-freeze crankcase ventilation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207554146U true CN207554146U (en) | 2018-06-29 |
Family
ID=62674517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721368730.2U Active CN207554146U (en) | 2017-10-23 | 2017-10-23 | For anti-freeze crankcase ventilation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207554146U (en) |
-
2017
- 2017-10-23 CN CN201721368730.2U patent/CN207554146U/en active Active
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