CN109281730A - Crankcase ventilation system and automobile - Google Patents

Crankcase ventilation system and automobile Download PDF

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Publication number
CN109281730A
CN109281730A CN201811115578.6A CN201811115578A CN109281730A CN 109281730 A CN109281730 A CN 109281730A CN 201811115578 A CN201811115578 A CN 201811115578A CN 109281730 A CN109281730 A CN 109281730A
Authority
CN
China
Prior art keywords
oil
camshaft
ventilation system
oil separator
crankcase
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.)
Granted
Application number
CN201811115578.6A
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Chinese (zh)
Other versions
CN109281730B (en
Inventor
喻忠成
刘岩
杨万里
王瑞平
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.)
Zhejiang Geely Holding Group Co Ltd
Zhejiang Fengrui Engine Co Ltd
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Fengrui Engine 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 Zhejiang Geely Holding Group Co Ltd, Zhejiang Fengrui Engine Co Ltd filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN201811115578.6A priority Critical patent/CN109281730B/en
Publication of CN109281730A publication Critical patent/CN109281730A/en
Application granted granted Critical
Publication of CN109281730B publication Critical patent/CN109281730B/en
Active 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
    • 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
    • F01M13/0011Breather valves
    • 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

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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 crankcase ventilation system and automobiles, are related to the technical field of automobile, and crankcase ventilation system includes gs-oil separator and camshaft;Camshaft is arranged in radially in gs-oil separator, and gs-oil separator is fixedly connected with camshaft;Gs-oil separator is centrifugal oil-air separator.In use, cam axle, so that gs-oil separator be driven to rotate, gs-oil separator rotation is to separate oil droplet with gas.From the foregoing, it will be observed that above-mentioned crankcase ventilation system can drive centrifugal oil-air separator to rotate using the rotation of camshaft, to complete the separation of oil droplet and gas.It can be avoided the separately installed gs-oil separator on crankcase in this way, it is smaller to the change of engine body part, need shorter development cycle and cost.

Description

Crankcase ventilation system and automobile
Technical field
The present invention relates to automobile technical fields, more particularly, to a kind of crankcase ventilation system and automobile.
Background technique
When the engine is working, the high pressure combustion mixture and burnt gas of combustion chamber, can more or less pass through piston group Gap between cylinder is leak into crankcase, causes gas blowby.The ingredient of gas blowby is unburned fuel vapor, vapor and exhaust gas Deng this can dilute machine oil, reduce the service performance of machine oil, accelerate the oxidation, rotten of machine oil.Condensation of moisture, can shape in machine oil At greasy filth, clogged oil line;Sour gas in exhaust gas is mixed into lubricating system, will lead to the corrosion of engine part and accelerates mill Damage;Gas blowby can also make the hypertonia of crankcase and destroy the sealing of crankcase, be lost engine oil leakage.To prevent crankcase pressure Power is excessively high, extends machine oil service life, reduces parts depreciation and corrosion, prevents engine oil leakage, it is necessary to carry out crankcase ventilation.
Currently, the implementation means of crankcase ventilation are that triton gas is carried out by the gs-oil separator on inside cylinder head cover or top Then the dedicated triton channel that separate, is then introduced into inside cylinder head by the intake manifold flange on cylinder cap imports air inlet Manifold increases split tunnel newly in inlet manifold and is assigned to the branch pipe of each inlet manifold, Pcv valve can be arranged therein one In a link.
But the implementation means of crankcase ventilation are very big to the change of engine body part in the prior art, need for a long time Development cycle and cost.
Summary of the invention
The purpose of the present invention is to provide a kind of crankcase ventilation system and automobiles, to improve song existing in the prior art The implementation means of crankcase ventilation are very big to the change of engine body part, and the technology of prolonged development cycle and cost is needed to ask Topic.
Crankcase ventilation system provided by the invention, including gs-oil separator and camshaft;Gs-oil separator is arranged convex Radially, and gs-oil separator is fixedly connected wheel shaft with camshaft;Gs-oil separator is centrifugal oil-air separator.
Further, gs-oil separator includes interconnecting piece and separation unit;Interconnecting piece is fixedly connected with camshaft, separation unit from Extend on interconnecting piece along the direction far from camshaft;Fuel feed hole, venthole and oil outlet mechanism are provided in separation unit.
Further, separation unit is tapered;The bottom of the separation unit of taper is fixedly connected with interconnecting piece;Venthole setting exists On the side wall of separation unit;The top of separation unit is arranged in oil outlet mechanism.
Further, oil outlet mechanism is rubber parts;Rubber parts is tapered, rubber parts inner hollow, and the top of rubber parts It cuts and is equipped with an opening;The two sides side wall of opening abuts;When the stress of opening reaches preset value, the side wall point for the two sides that are open From to expose opening.
Further, the angle between the extending direction of venthole and the extending direction of separation unit is obtuse angle.
Further, crankcase ventilation system further includes crankcase, valve mechanism cover triton shelves bearing block and cylinder cap triton shelves Bearing block;Valve mechanism cover triton shelves bearing block and cylinder cap triton shelves bearing block are arranged at one end of crankcase, and valve mechanism cover Triton shelves bearing block and cylinder cap triton shelves bearing block enclose and are set as air collecting chamber;Gs-oil separator is arranged in air collecting chamber;Air collecting chamber The oil-collecting groove of annular is provided on inner wall;In the oil outlet insertion oil-collecting groove of gs-oil separator;Oil-collecting groove is used for and machine Food tray connection.
Further, crankcase ventilation system further includes Pcv valve;The inside of camshaft is arranged in Pcv valve;Gs-oil separator It is connected to by Pcv valve with the inside of crankcase.
Further, the inner wall of crankcase is provided with the first sealing-plug and the second sealing-plug;First sealing-plug and Pcv valve shape At the first cavity, the second sealing-plug and Pcv valve form the second cavity;Valve mechanism cover triton shelves bearing block and cylinder cap triton shelves bearing Seat is respectively arranged with first passage and second channel;Third channel and fourth lane are provided on camshaft;First passage and Two channels pass through third channel respectively and are connected to the inside of crankcase with the first cavity;Fourth lane divides the second cavity and oil gas It is connected to from device.
Further, separation unit is two;Two separation units are correspondingly arranged at the two sides of interconnecting piece.
Further, the present invention also provides a kind of automobile, automobile includes crankcase ventilation system.
Crankcase ventilation system provided by the invention, in use, cam axle, to drive gs-oil separator Rotation, gs-oil separator rotation is to separate oil droplet with gas.
From the foregoing, it will be observed that above-mentioned crankcase ventilation system can drive centrifugal oil-air separator to turn using the rotation of camshaft It is dynamic, to complete the separation of oil droplet and gas.It can be avoided the separately installed gs-oil separator on crankcase in this way, to engine The change of body member is smaller, needs shorter development cycle and cost.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is crankcase ventilation system sectional view provided in an embodiment of the present invention;
Fig. 2 is the enlarged drawing in Fig. 1 at A;
Fig. 3 provides the partial structure diagram of gs-oil separator for the embodiment of the present invention;
Fig. 4 is the sectional view of gs-oil separator provided in an embodiment of the present invention.
Icon: 1- gs-oil separator;2- camshaft;3- interconnecting piece;4- separation unit;5- fuel feed hole;6- venthole;7- is fuel-displaced Mechanism;8- rubber parts;9- opening;10- side wall;11- crankcase;12- valve mechanism cover triton shelves bearing block;13- cylinder cap triton shelves Bearing block;14- air collecting chamber;15- oil-collecting groove;16-PCV valve;The first sealing-plug of 17-;The second sealing-plug of 18-;The first chamber of 19- Body;The second cavity of 20-;21- first passage;22- second channel;23- third channel;24- fourth lane;2101- first is radial Channel;The first curve path of 2102-;The second radial passage 2201-;The second curve path of 2202-.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that such as occur term " center ", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outside" etc., indicated by orientation or positional relationship be orientation based on the figure or position Relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must have There is specific orientation, be constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, as occurred Term " first ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can To be mechanical connection, it is also possible to be electrically connected;It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.
Fig. 1 is crankcase ventilation system sectional view provided in an embodiment of the present invention;Fig. 2 is the enlarged drawing in Fig. 1 at A;Such as Shown in Fig. 1 and Fig. 2, crankcase ventilation system provided in this embodiment, including gs-oil separator 1 and camshaft 2;Gs-oil separator 1 is arranged in camshaft 2 radially, and gs-oil separator 1 is fixedly connected with camshaft 2;Gs-oil separator 1 is centrifugal oil gas Separator.
Wherein, the mode that gs-oil separator 1 is fixedly connected with camshaft 2 is a variety of;Such as: gs-oil separator 1 and cam Axis 2 is fixedly connected by clip or gs-oil separator 1 is connect with camshaft 2 by fixing bolt.
Gs-oil separator 1 is removably secured with camshaft 2 and connect.It in this way can be convenient for users to dismounting or replace zero Component.
The principle of centrifugal oil-air separator 1 are as follows: utilize the inertia force of oil droplet and gas when flowing to transformation in mist of oil Difference separates oil droplet with gas.
Crankcase ventilation system provided in this embodiment, including gs-oil separator 1 and camshaft 2;Gs-oil separator 1 is arranged Camshaft 2 radially, and gs-oil separator 1 is fixedly connected with camshaft 2.In use, camshaft 2 rotates, from And gs-oil separator 1 is driven to rotate, the rotation of gs-oil separator 1 is to separate oil droplet with gas.
From the foregoing, it will be observed that above-mentioned crankcase ventilation system can drive centrifugal oil-air separator 1 using the rotation of camshaft 2 Rotation, to complete the separation of oil droplet and gas.It can be avoided the separately installed gs-oil separator 1 on crankcase 11 in this way, it is right The change of engine body part is smaller, needs shorter development cycle and cost.
Fig. 3 provides the partial structure diagram of gs-oil separator for the embodiment of the present invention;Fig. 4 provides for the embodiment of the present invention Gs-oil separator sectional view;As shown in figs 2-4, on the basis of the above embodiments, further, gs-oil separator 1 Including interconnecting piece 3 and separation unit 4;Interconnecting piece 3 is fixedly connected with camshaft 2, and separation unit 4 is from interconnecting piece 3 along far from camshaft 2 Direction extend;Fuel feed hole 5, venthole 6 and oil outlet mechanism 7 are provided in separation unit 4.
Wherein, interconnecting piece 3 and separation unit 4 can be plastic material.
4 injection molding of interconnecting piece 3 and separation unit.
Interconnecting piece 3 can be annular in shape, and interconnecting piece 3 is socketed on the outer wall of camshaft 2, and is interference fitted with camshaft 2, with Guarantee the stability that camshaft 2 is connect with gs-oil separator 1.
Oil outlet mechanism 7 may be provided at the one end of separation unit 4 far from camshaft 2, oil liquid can be enabled in the work of centrifugal force in this way It is got rid of under to oil outlet mechanism 7.
In the present embodiment, in use, mist of oil enters separation unit 4 from fuel feed hole 5, and separation unit 4 and camshaft 2 are same Step rotation, to generate centrifugal force, gas is discharged from venthole 6, and oil liquid is discharged from oil outlet mechanism 7.
As shown in figs 2-4, on the basis of the above embodiments, further, separation unit 4 is tapered;The separation of taper The bottom in portion 4 is fixedly connected with interconnecting piece 3;Venthole 6 is arranged on the side wall 10 of separation unit 4;The setting of oil outlet mechanism 7 is separating The top in portion 4.
Wherein, venthole 6 can be multiple, the setting of multiple intervals of venthole 6.Gas discharge can be enabled more suitable in this way Freely, accelerate Oil-gas Separation.
In the present embodiment, in use, oil liquid is got rid of under the influence of centrifugal force to oil outlet mechanism 7.Taper is set Setting can enable oil outlet mechanism 7 preferably accommodate the oil liquid isolated.
As shown in figs 2-4, on the basis of the above embodiments, further, oil outlet mechanism 7 is rubber parts 8;Rubber parts 8 is tapered, 8 inner hollow of rubber parts, and the top of rubber parts 8 is cut equipped with an opening 9;The two sides side wall 10 of opening 9 abuts;When When the stress at 9 that is open reaches preset value, the side wall 10 of 9 two sides of opening is separated, to expose opening 9.
Wherein, oil outlet mechanism 7 is removably secured with separation unit 4 and connect.
Oil outlet mechanism 7 is set in the top of separation unit 4, and oil outlet mechanism 7 and separation unit 4 are interference fitted.
Preset value are as follows: during camshaft 2 drives separation unit 4 to rotate, the inside of rubber parts 8 can put aside certain Oil liquid, when the centrifugal force of oil liquid is greater than a numerical value, the side wall 10 of 9 two sides of opening is separated, and opening 9 is exposed, and the numerical value is as pre- If value.
In the present embodiment, in use, 9 closure of opening, when oil liquid is got rid of to rubber parts 8, oil liquid can be put aside It is more and more with oil liquid savings in the inside of the rubber parts 8 of taper, and 2 shaft of camshaft enables the oil liquid of savings have Centrifugal force, centrifugal force act on the inner wall of rubber parts 8, when the centrifugal force for acting on the oil liquid at opening 9 reaches preset value, The side wall 10 of 9 two sides of being open separates, and opening 9 is exposed, and the oil liquid of savings throws away from oil outlet mechanism 7;After bleeding off oil liquid, due to from Mental and physical efforts are smaller, and the 9 two sides side wall 10 of being open abuts again under the action of elastic restoring force, with closure opening 9, repeatedly. The structure of this oil outlet mechanism 7 is simple, and cost is relatively low, and easily operated.
As shown in figs 2-4, on the basis of the above embodiments, further, the extending direction and separation unit of venthole 6 Angle between 4 extending direction is obtuse angle.
That is, the angle a in venthole 6 between the direction of gas outflow separation unit 4 and the direction of centrifugal force is obtuse angle.
The centrifugal force of gas is smaller with respect to oil liquid, and oil liquid is got rid of under the influence of centrifugal force to oil outlet mechanism 7, gas with Structural walls outflow, i.e., from separation unit 4 flow into venthole 6 in.
In the present embodiment, in use, when gas flows into venthole 6 from separation unit 4, flow direction occurs sharply to turn To microcosmic separating effect can be further enhanced, play the role of optimization separation.
As depicted in figs. 1 and 2, on the basis of the above embodiments, further, crankcase ventilation system further includes crankshaft Case 11, valve mechanism cover triton shelves bearing block 12 and cylinder cap triton shelves bearing block 13;Valve mechanism cover triton shelves bearing block 12 and cylinder cap Triton shelves bearing block 13 is arranged at one end of crankcase 11, and valve mechanism cover triton shelves bearing block 12 and cylinder cap triton shelves bearing Seat 13, which encloses, is set as air collecting chamber 14;Gs-oil separator 1 is arranged in air collecting chamber 14;The collection of annular is provided on the inner wall of air collecting chamber 14 Oily groove 15;In the oil outlet insertion oil-collecting groove 15 of gs-oil separator 1;Oil-collecting groove 15 with oil pan for being connected to.
Wherein, pass through anaerobism glue sticking between valve mechanism cover triton shelves bearing block 12 and cylinder cap triton shelves bearing block 13.
It is embedded in oil-collecting groove 15 at the opening 9 of rubber parts 8.
In the present embodiment, in use, after gs-oil separator 1 separates oil liquid and gas, gas is along 6 row of venthole Into air collecting chamber 14, oil liquid enters in oil-collecting groove 15 from outlet end, and oil-collecting groove 15 is connected to oil pan, and oil liquid is enabled to flow into machine In food tray.The setting of air collecting chamber 14 and oil-collecting groove 15 can by after separation oil liquid and gas separate, and structure is simple, Engine body is changed smaller.
As shown in Fig. 2, on the basis of the above embodiments, further, crankcase ventilation system further includes Pcv valve 16; The inside of camshaft 2 is arranged in Pcv valve 16;Gs-oil separator 1 is connected to by Pcv valve 16 with the inside of crankcase 11.
Wherein, Pcv valve 16 is fixedly connected with the inner wall of camshaft 2.Such as: Pcv valve 16 is snapped connection with camshaft 2, spiral shell It tethers and connects or Pcv valve 16 and camshaft 2 are interference fitted.
Intercommunicating pore is provided on interconnecting piece 3, intercommunicating pore is connected to the fuel feed hole 5 in separation unit 4, thus enable Pcv valve 16 with Separation unit 4 is connected to.
In the present embodiment, since internal engine temperature is higher, the inside of camshaft 2 is arranged in Pcv valve 16, can be avoided When temperature is lower, the inner passage icing failure of Pcv valve 16;Colleague is solving engine for 11 EVAP evaporative emission of crankcase On the basis of the exemption of control requires, the arrangement parts such as hose and pipe collar are saved, reduce cost and amount of parts, reduction is let out It divulges a secret danger, simplifies assembly technology, arrange more compact.
As shown in Fig. 2, on the basis of the above embodiments, further, the inner wall of crankcase 11 is provided with the first sealing Plug 17 and the second sealing-plug 18;First sealing-plug 17 forms the first cavity 19, the second sealing-plug 18 and Pcv valve 16 with Pcv valve 16 Form the second cavity 20;Valve mechanism cover triton shelves bearing block 12 and cylinder cap triton shelves bearing block 13 are respectively arranged with first passage 21 With second channel 22;Third channel 23 and fourth lane 24 are provided on camshaft 2;First passage 21 and second channel 22 are distinguished The inside of crankcase 11 is connected to the first cavity 19 by third channel 23;Fourth lane 24 divides the second cavity 20 with oil gas It is connected to from device 1.
Wherein, the first sealing-plug 17 and the second sealing-plug 18 are bowl-type plug.
First passage 21 includes the first radial passage 2101 of connection and the first curve path 2102, second channel 22 include Second radial passage 2201 of connection and the second curve path 2202.First curve path 2102 and the second curve path 2202 are first Tail, which connects, is annularly disposed around the periphery of camshaft 2.First curve path 2102 and the second curve path 2202 respectively with third Channel 23 is connected to.
First radial passage 2101 is enclosed by the outer wall of valve mechanism cover triton shelves bearing block 12 and camshaft 2 to be set, and second Radial passage 2201 is enclosed by the outer wall of cylinder cap triton shelves bearing block 13 and camshaft 2 to be set.When mist of oil is radial logical by first When road 2101 and the second radial passage 2201, part oil liquid can be adhered to by the outer wall of camshaft 2, enter the work of bearing lubrication With.
Third channel 23 and fourth lane 24 can be multiple, multiple intervals of third channel 23 setting, multiple fourth lanes 24 interval settings.
Separation unit 4 can be to be multiple, and multiple separation units 4 are arranged at intervals on the two sides of interconnecting piece 3.
In the present embodiment, in use, mist of oil enters third channel 23 by first passage 21 and second channel 22, Then it flows into the first cavity 19, then mist of oil is flowed through entering the second cavity 20 by Pcv valve 16 finally by fourth lane 24 Enter in gs-oil separator 1.First sealing-plug 17 and the second sealing-plug 18 can play the role of sealing, limit the circulation model of mist of oil It encloses.
As shown in figs 2-4, on the basis of the above embodiments, further, separation unit 4 is two;Two separation units 4 It is correspondingly arranged at the two sides of interconnecting piece 3.
In the present embodiment, when camshaft 2 drives gs-oil separator 1 to rotate, form energy that two separation units 4 are correspondingly arranged Being more uniformly stressed for stress interconnecting piece 3 is enough enabled, while can be improved the efficiency of Oil-gas Separation.
On the basis of the above embodiments, further, the embodiment of the invention also provides a kind of automobile, automobile includes song Ventilation system for shaft box.
In the present embodiment, automobile has above-mentioned crankcase ventilation system, the effect and crankcase ventilation system generated Effect it is identical, repeat no more.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (10)

1. a kind of crankcase ventilation system characterized by comprising gs-oil separator and camshaft;
The camshaft is arranged in radially in the gs-oil separator, and the gs-oil separator and the fixed company of the camshaft It connects;The gs-oil separator is centrifugal oil-air separator.
2. crankcase ventilation system according to claim 1, which is characterized in that the gs-oil separator include interconnecting piece and Separation unit;
The interconnecting piece is fixedly connected with the camshaft, and the separation unit is from the interconnecting piece along the separate camshaft Direction extends;Fuel feed hole, venthole and oil outlet mechanism are provided in the separation unit.
3. crankcase ventilation system according to claim 2, which is characterized in that the separation unit is tapered;
The bottom of the separation unit of taper is fixedly connected with the interconnecting piece;The side of the separation unit is arranged in the venthole On wall;The top of the separation unit is arranged in the oil outlet mechanism.
4. crankcase ventilation system according to claim 3, which is characterized in that the oil outlet mechanism is rubber parts;
The rubber parts is tapered, the rubber parts inner hollow, and is cut at the top of the rubber parts equipped with an opening;It is described to open The two sides side wall of mouth abuts;When the stress of the opening reaches preset value, the side wall separation of the opening two sides, with Expose the opening.
5. crankcase ventilation system according to claim 3, which is characterized in that the extending direction of the venthole with it is described Angle between the extending direction of separation unit is obtuse angle.
6. crankcase ventilation system according to claim 1, which is characterized in that further include crankcase, valve mechanism cover triton Shelves bearing block and cylinder cap triton shelves bearing block;
The valve mechanism cover triton shelves bearing block and cylinder cap triton shelves bearing block are arranged at one end of the crankcase, and described Valve mechanism cover triton shelves bearing block and the cylinder cap triton shelves bearing block enclose and are set as air collecting chamber;The gs-oil separator is arranged in institute It states in air collecting chamber;
The oil-collecting groove of annular is provided on the inner wall of the air collecting chamber;The oil outlet of the gs-oil separator is embedded in the oil-collecting In groove;The oil-collecting groove with oil pan for being connected to.
7. crankcase ventilation system according to claim 6, which is characterized in that further include Pcv valve;
The inside of the camshaft is arranged in the Pcv valve;The gs-oil separator passes through the Pcv valve and the crankcase Inside connection.
8. crankcase ventilation system according to claim 7, which is characterized in that the inner wall of the crankcase is provided with first Sealing-plug and the second sealing-plug;First sealing-plug and the Pcv valve form the first cavity, second sealing-plug and described Pcv valve forms the second cavity;
The valve mechanism cover triton shelves bearing block and the cylinder cap triton shelves bearing block are respectively arranged with first passage and second and lead to Road;Third channel and fourth lane are provided on the camshaft;The first passage and the second channel pass through institute respectively It states third channel and is connected to the inside of the crankcase with first cavity;The fourth lane is by second cavity and institute State gs-oil separator connection.
9. crankcase ventilation system according to claim 2, which is characterized in that the separation unit is two;
Two separation units are correspondingly arranged at the two sides of the interconnecting piece.
10. a kind of automobile, which is characterized in that including such as described in any item crankcase ventilation systems of claim 1-9.
CN201811115578.6A 2018-09-25 2018-09-25 Crankcase ventilation system and car Active CN109281730B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201811115578.6A CN109281730B (en) 2018-09-25 2018-09-25 Crankcase ventilation system and car

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CN109281730A true CN109281730A (en) 2019-01-29
CN109281730B CN109281730B (en) 2020-04-21

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020253178A1 (en) * 2019-06-21 2020-12-24 北京致行慕远科技有限公司 Crankcase of all-terrain vehicle, and all-terrain vehicle

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CN201526354U (en) * 2010-02-23 2010-07-14 北京福田康明斯发动机有限公司 Crankcase ventilation system for an engine and an engine
DE102010015838A1 (en) * 2010-04-20 2011-10-20 Mann + Hummel Gmbh Oil separator for crank case ventilation system to separate aerosol coming from crank case of combustion engine of motor car from oil, has impeller comprising cavity, where aerosol in cavity is accelerated with impeller
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JPH04153514A (en) * 1990-10-17 1992-05-27 Toyota Autom Loom Works Ltd Oil separator for blow-by gas
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