CN103615296B - The intake manifold of integrated oil-gas separation device and Pcv valve and motor and automobile - Google Patents
The intake manifold of integrated oil-gas separation device and Pcv valve and motor and automobile Download PDFInfo
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- CN103615296B CN103615296B CN201310620810.2A CN201310620810A CN103615296B CN 103615296 B CN103615296 B CN 103615296B CN 201310620810 A CN201310620810 A CN 201310620810A CN 103615296 B CN103615296 B CN 103615296B
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Abstract
The invention discloses the intake manifold of a kind of integrated oil-gas separation device and Pcv valve, comprise intake manifold and gas and oil separating plant, and be fixed on intake manifold main line side and the cover body of inner chamber and main line inner space; The inner chamber of cover body is located at by gas and oil separating plant; Cover body is provided with the suction tude for making fuel-air mixture enter gas and oil separating plant, and for collecting the return tube of machine oil; Cover body is also fixed with the Pcv valve of band outlet pipe.The invention also discloses the motor and automobile with this intake manifold.The present invention reduces the connecting pipeline of engine interior, engine interior component are arranged compacter; The unconspicuous problem of time of engine low load operation oil gas separation can be solved simultaneously.The intake manifold of integrated oil-gas separation device of the present invention and Pcv valve is applicable to, on the motor of various vehicle, be applied to further on various automobile.
Description
Technical field
The invention belongs to motor vehicle technology field, relate to oil-gas separating device of engine and intake manifold, specifically the intake manifold of a kind of integrated oil-gas separation device and Pcv valve and corresponding motor and automobile.
Background technique
In engine operation process, having adulterate machine oil and water vapor of the imperfect combustion mixed gas of part scurries in crankcase from firing chamber, if these waste gas can not be drained in time, crankcase pressure can be caused too high, cause the problems such as motor oil impregnate, machine oil go bad, thus affect engine performance, and befouling environment.
Engine crankshaft ventilation system is provided with gas and oil separating plant, for separating of fuel-air mixture.In prior art, gas and oil separating plant mainly contains following several mode:
1. external hanging type deaerator---adopt and be bolted on engine cylinder, this series products increases overall engine volume, and, light-weighted market demand microminiaturized with engine calls is runed counter to;
2. integrated cylinder cover type deaerator---be fixed on cylinder cover inside, this series products adds the height of cylinder cover, has both increased the volume of motor, too increases the difficulty of Arrangement of Engine-room simultaneously; This kind of deaerator inferior separating effect in addition, easily occurs that oil return is not smooth, alter wet goods hidden danger;
3. the deaerator in intake manifold is integrated in---be fixed on intake manifold inside, its internal pressure of this kind of product requirement is greater than the pressure of intake manifold resonant cavity, gas after just making separation directly enters intake manifold resonant cavity, therefore can only be applied to Smaller load non-supercharged engine.
Summary of the invention
For solving the above deficiency existed in prior art, the invention provides the intake manifold of a kind of integrated oil-gas separation device and Pcv valve, decrease the connecting pipeline of engine interior, the component of engine interior are arranged compacter, Arrangement of Engine-room difficulty can be reduced; When simultaneously it can solve time of engine low load operation, the unconspicuous problem of oil gas separation, can ensure that oil gas separation reaches optimum;
Another object of the present invention, is to provide the motor of the intake manifold with above-mentioned integrated oil-gas separation device and Pcv valve;
A further object of the invention, is to provide the automobile with above-mentioned motor.
For achieving the above object, the technical solution adopted in the present invention is as follows:
An intake manifold for integrated oil-gas separation device and Pcv valve, comprises intake manifold and gas and oil separating plant, also comprises and is fixed on intake manifold main line side and the cover body of inner chamber and main line inner space; The inner chamber of cover body is located at by gas and oil separating plant; Cover body is provided with the suction tude for making fuel-air mixture enter gas and oil separating plant, and for collecting the return tube of machine oil; Cover body is also fixed with the Pcv valve with the outlet pipe for discharging the fuel-air mixture after separation.
As limitation of the invention, the inner chamber of described cover body is divided into the first chamber, the second chamber, the current stabilization chamber that are communicated with successively; Described first chamber is communicated with suction tude;
Described gas and oil separating plant comprise be located in the first chamber for fuel-air mixture is separated primary separation device, split the first chamber and the second chamber for filtering the secondary separation device of fuel-air mixture.
As the restriction to aforesaid way, described primary separation device comprises the actuating motor be fixed on cover body, the driveshaft be connected with actuating motor, the turbine be sleeved on driveshaft.
As further restriction, the blade of described turbine is S shape streamline construction.
As limiting further, described secondary separation device comprises filter screen, connects firmly the fixed plate for fixing filter screen with filter screen again; Described fixing board card, on cover body, is provided with seal washer between fixed plate and cover body.
As further limiting, the described filter screen length direction comprised along cover body is separated by the first layer filter screen and second layer filter screen that arrange, and wherein mesh position and the mesh position of second layer filter screen of first layer filter screen are placed in the length direction part of filter screen corresponding is incomplete corresponding.
Restriction as a dark step again:
The lateral cross section of described first chamber, the second chamber, current stabilization chamber is up big and down small trapezium structure;
First chamber, the second chamber are respectively equipped with guide plate;
Described return tube is provided with two, i.e. the first return tube, the second return tube, they respectively with the first chamber, the second chamber;
Described current stabilization chamber is provided with the passage be communicated with Pcv valve chamber.
Limit as to another kind of the present invention:
Described Pcv valve comprises with cover body integrated housing, be positioned at the spring of housing, be positioned at the Pcv valve diaphragm of spring one end, be positioned at the valve gap that Pcv valve diaphragm one end and housing connect firmly;
Described outlet pipe is arranged on housing.
Invention also provides a kind of motor, it comprises above-mentioned integrated oil-gas separation device and the intake manifold of Pcv valve.
Present invention also offers a kind of automobile, it comprises above-mentioned motor.
Owing to have employed technique scheme, compared with prior art, acquired technological progress is in the present invention:
1. gas and oil separating plant of the present invention is integrated in intake manifold, decreases the connecting pipeline of engine interior, the component of engine interior is arranged compacter, reduces Arrangement of Engine-room difficulty;
2. fuel-air mixture being separated through the elementary of gas and oil separating plant and secondary two-stage segregating unit, oil gas separation unconspicuous problem when solving time of engine low load operation, and then ensure that oil gas separation reaches optimum;
3. primary separation device comprises actuating motor, driveshaft, turbine, and when engine low load works, actuating motor drives turbine to rotate, for making the mixed gas in the first chamber flow, to be completed oil gas the second-order separation process by secondary separation device; When high engine load works, the effect of turbine makes mixed gas impact blades, makes oil droplet be thrown to the first chamber bottom under the effect of gravity and centrifugal force, enter oil sump, complete oil gas primary separation process by return tube; In addition, turbine blade is S shape streamline construction, and area is large, can fully contact with mixed gas;
4. the part mesh position of the two-layer filter screen of secondary separation device is not corresponding, can avoid mixed gas directly through two-layer filter screen, improve oil-gas separation efficiency;
5. the guide plate of the first chamber, the second chamber moves towards for guiding mixed gas, realizes conflux;
6. current stabilization chamber forms current stabilization for making the gas after separation, and is entered in Pcv valve chamber by passage and carry out pressure adjustment.
The integrated oil-gas separation device of said structure of the present invention and the intake manifold of Pcv valve, be applicable to, on various vehicle motor, be applied to further on various automobile.
Accompanying drawing explanation
Below in conjunction with drawings and the specific embodiments, the present invention is further described in detail.
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention 1;
Fig. 2 is the decomposition texture schematic diagram of Fig. 1;
Fig. 3 is the schematic diagram of cover body 1 inner chamber in Fig. 1;
Fig. 4 is the structural representation of turbine 32 in Fig. 2;
Fig. 5 is the structural representation of secondary separation device in Fig. 2.
In figure: 1, cover body; 11, suction tude; 12, the first return tube; 13, the second return tube; 14, outlet pipe; 15, the first chamber; 16, the second chamber; 17, current stabilization chamber; 18, passage; 19, guide plate; 2, Pcv valve; 21, housing; 22, spring; 23, Pcv valve diaphragm; 24, valve gap; 31, actuating motor; 32, turbine; 33, driveshaft; 34, fixed plate; 35, filter screen; 351, first layer filter screen; 352, second layer filter screen; 36, seal washer; 4, intake manifold.
Embodiment
embodiment 1
An intake manifold for integrated oil-gas separation device and Pcv valve, structure as shown in Figure 1-2, comprises intake manifold 4, cover body 1, gas and oil separating plant, Pcv valve 2.
Cover body 1 is fixed on the side of the main line of intake manifold 4, and the inner chamber of cover body 1 communicates with the inner chamber of intake manifold 4.The side of cover body 1 is respectively equipped with suction tude 11, and opposite side is provided with the first return tube 12, second return tube 13.
As shown in Figure 3, the inner chamber of cover body 1 is divided into and is communicated with successively and the first chamber 15, second chamber 16, current stabilization chamber 17, and their lateral cross section is up big and down small trapezium structure.First chamber 15 is communicated with suction tude 11, first return tube 12 respectively; Second chamber 16 is communicated with the second return tube 13.First chamber 15, second chamber 16 is respectively equipped with guide plate 19, and current stabilization chamber 17 is provided with the passage 18 of two long strips be communicated with Pcv valve 2 chamber.
Gas and oil separating plant comprises primary separation device, secondary separation device two-stage segregating unit altogether.Wherein:
Primary separation device comprises actuating motor 31, turbine 32, driveshaft 33.Actuating motor 31 is fixed by bolts on the surface of cover body 1, driveshaft 33 is connected with actuating motor 31, and be positioned at the first chamber 15 through cover body 1, turbine 32 is sleeved on driveshaft 33, the blade of turbine 32 is S shape streamline construction, and as shown in Figure 4, the bearing of trend in the middle part of its Leaf is 30 ° with axial angle, the bearing of trend at two ends is 45 ° with axial angle, and middle part length is greater than two ends length in addition;
Secondary separation device comprises filter screen 35, fixed plate 34, as shown in Figure 5.Cover body 1 is provided with strip hole, and filter screen 35 is positioned at strip hole, and the first chamber 15 and the second chamber 16 is split.Filter screen 35 is fixed on fixed plate 34, and the length direction along fixed plate 34 is arranged, and the length direction comprised along cover body 1 is separated by the first layer filter screen 351 and second layer filter screen 352 that 2-3mm arranges.With the relative position of the suction tude 11 in Fig. 3 and return tube for up and down, then the mesh of first layer filter screen 351 covers position, wire side upper end 2/3, the mesh of second layer filter screen 352 covers position, wire side lower end 1/2, namely to be placed in the not exclusively corresponding i.e. part of length direction of filter screen 35 corresponding for mesh position and the mesh position of second layer filter screen 352 of first layer filter screen 351, that is two wire sides mesh some be mutually stagger along the laying direction of wire side.Two broadsides of fixed plate 34, respectively with flange, each flange are equipped with hole clipping, and cover body 1 is provided with boss with the position of fixed plate 34 snap-fit engagement, and boss is stuck in hole clipping, is fixed on cover body 1 to make fixed plate 34.Seal washer 36 is provided with between fixed plate 34 and cover body 1.
Pcv valve 2 comprises housing 21, spring 22, Pcv valve diaphragm 23, valve gap 24.Housing 21 is one-body molded with cover body 1, and spring 22 is positioned at housing 21, and Pcv valve diaphragm 23 is positioned at spring 22 one end, and valve gap 24 is positioned at Pcv valve diaphragm 23 one end and connects firmly with housing 21.Housing 21 is provided with the outlet pipe 14 be communicated with current stabilization chamber 17.
The working procedure of the present embodiment is as follows:
During engine low load work, the oil-gas mixer of cylinder cover collection enters in the first chamber 15 by suction tude 11, because the flowing velocity of mixed gas is little, be not enough to promote turbine 32 rotate, now actuating motor 31 starts, make driveshaft 33 rotarily drive turbine 32 to rotate, to calm the anger to mixed gas, mixed gas after calming the anger is along the bearing of trend conflux of guide plate 19, mixed gas after conflux is successively by the upper end of first layer filter screen 351, the lower end of second layer filter screen 352, complete the second-order separation process, due to the part mesh position of first layer filter screen 351 and the part mesh position of second layer filter screen 352 not corresponding, mixed gas can be avoided so directly through two-layer filter screen 35.The second chamber 16 is entered by the remaining mixed gas of filter screen 35, after cavity water conservancy diversion, clash into guide plate 19, realize remaining mixed gas and be finally separated, the oil droplet after separation enters oil sump by the second return tube 13, gas after separation enters current stabilization chamber 17, in chamber, complete steady flow process.Gas after current stabilization is entered in Pcv valve 2 chamber by passage 18 and carries out pressure adjustment, and the gas after adjustment enters into air-strainer pipeline through outlet pipe 14.
During high engine load work, the oil-gas mixer of cylinder cover collection enters in the first chamber 15 by suction tude 11, because the flowing velocity of mixed gas is large, turbine 32 can be promoted rotate, now actuating motor 31 does not work, and clashes into turbine 32 blade in mixed gas flow process, and oil droplet is thrown to the first chamber 15 bottom under the effect of gravity and centrifugal force, enter oil sump by the first return tube 12, complete primary separation.Remaining mixed gas is along the bearing of trend conflux of guide plate 19, mixed gas after conflux is successively by the upper end of first layer filter screen 351, the lower end of second layer filter screen 352, complete the second-order separation process, due to the part mesh position of first layer filter screen 351 and the part mesh position of second layer filter screen 352 not corresponding, mixed gas can be avoided so directly through two-layer filter screen 35.The second chamber 16 is entered by the remaining mixed gas of filter screen 35, after cavity water conservancy diversion, clash into guide plate 19, realize remaining mixed gas and be finally separated, the oil droplet after separation enters oil sump by the second return tube 13, gas after separation enters current stabilization chamber 17, in chamber, complete steady flow process.Gas after current stabilization is entered in Pcv valve 2 chamber by passage 18 and carries out pressure adjustment, and the gas after adjustment enters into air-strainer pipeline through outlet pipe 14.
The gas and oil separating plant of the present embodiment is integrated in intake manifold 4, decreases the connecting pipeline of engine interior, the component of engine interior is arranged compacter, reduces Arrangement of Engine-room difficulty; In addition, fuel-air mixture carries out secondary separation through the primary separation device of gas and oil separating plant, secondary separation device, solves the unconspicuous problem of time of engine low load operation oil gas separation, and then ensures that oil gas separation reaches optimum.
embodiment 2
A kind of motor, its difference with the prior art is only: the wherein intake manifold of the integrated oil-gas separation device that provides for embodiment 1 of the synthesis of gas and oil separating plant, Pcv valve and intake manifold and Pcv valve.
The structure of this motor other parts is same as the prior art.
embodiment 3
A kind of automobile, this automobile difference with the prior art is only: identical with the structure of embodiment 2 on its engine structure.
The structure of this automobile other parts is same as the prior art.
Claims (9)
1. an intake manifold for integrated oil-gas separation device and Pcv valve, comprises intake manifold (4) and gas and oil separating plant,
it is characterized in that:
It also comprises is fixed on intake manifold (4) main line side and the cover body (1) of inner chamber and main line inner space;
The inner chamber of cover body (1) is located at by gas and oil separating plant; Cover body (1) is provided with the suction tude (11) for making fuel-air mixture enter gas and oil separating plant, and for collecting the return tube of machine oil;
Cover body (1) is also fixed with the Pcv valve (2) of band outlet pipe (14);
The inner chamber of described cover body (1) is divided into the first chamber (15), the second chamber (16), the current stabilization chamber (17) that are communicated with successively; Described first chamber (15) is communicated with suction tude (11);
Described gas and oil separating plant comprise be located at the first chamber (15) for fuel-air mixture is separated primary separation device, split the first chamber (15) and the second chamber (16) for filtering the secondary separation device of fuel-air mixture.
2. the intake manifold of integrated oil-gas separation device according to claim 1 and Pcv valve,
it is characterized in that:described primary separation device comprises the actuating motor (31) be fixed on cover body (1), the driveshaft (33) be connected with actuating motor (31), the turbine (32) be sleeved on driveshaft (33).
3. the intake manifold of integrated oil-gas separation device according to claim 2 and Pcv valve,
it is characterized in that:the blade of described turbine (32) is S shape streamline construction.
4. the intake manifold of integrated oil-gas separation device according to claim 1 and Pcv valve,
it is characterized in that:described secondary separation device comprises filter screen (35), connects firmly the fixed plate (34) for fixing filter screen (35) with filter screen (35); Described fixed plate (34) is stuck on cover body (1), is provided with seal washer (36) between fixed plate (34) and cover body (1).
5. the intake manifold of integrated oil-gas separation device according to claim 4 and Pcv valve,
it is characterized in that:described filter screen (35) length direction comprised along cover body (1) is separated by the first layer filter screen (351) and second layer filter screen (352) that arrange, and wherein mesh position and the mesh position of second layer filter screen (352) of first layer filter screen (351) are placed in the length direction part of filter screen (35) corresponding is incomplete corresponding.
6. the intake manifold of integrated oil-gas separation device according to claim 1 and Pcv valve,
it is characterized in that:the lateral cross section of described first chamber (15), the second chamber (16), current stabilization chamber (17) is up big and down small trapezium structure;
First chamber (15), the second chamber (16) are respectively equipped with guide plate (19);
Described return tube comprises the first return tube (12) and the second return tube (13), and they are communicated with the first chamber (15), the second chamber (16) respectively;
Current stabilization chamber (17) is provided with the passage (18) be communicated with Pcv valve (2) chamber.
7. the intake manifold of integrated oil-gas separation device according to claim 1 and Pcv valve,
it is characterized in that:described Pcv valve (2) comprise with cover body (1) integrated housing (21), be positioned at housing (21) spring (22), be positioned at spring (22) one end Pcv valve diaphragm (23), be positioned at the valve gap (24) that Pcv valve diaphragm (23) one end and housing (21) connect firmly;
Described outlet pipe (14) is arranged on housing (21).
8. a motor,
it is characterized in that:it comprises the intake manifold of integrated oil-gas separation device according to any one of claim 1-7 and Pcv valve.
9. an automobile,
it is characterized in that:it comprises motor according to claim 8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310620810.2A CN103615296B (en) | 2013-11-29 | 2013-11-29 | The intake manifold of integrated oil-gas separation device and Pcv valve and motor and automobile |
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| CN201310620810.2A CN103615296B (en) | 2013-11-29 | 2013-11-29 | The intake manifold of integrated oil-gas separation device and Pcv valve and motor and automobile |
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| CN103615296A CN103615296A (en) | 2014-03-05 |
| CN103615296B true CN103615296B (en) | 2016-02-24 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194486B (en) * | 2016-07-29 | 2018-08-10 | 安徽江淮汽车集团股份有限公司 | Engine cylinder head cover assembly |
| CN107191304A (en) * | 2017-07-27 | 2017-09-22 | 潍柴动力股份有限公司 | Gas and oil separating plant and its control method |
| CN108223051A (en) * | 2017-12-30 | 2018-06-29 | 重庆小康工业集团股份有限公司 | Automobile integrated form cylinder head cover |
| CN114961922B (en) * | 2021-02-25 | 2023-11-24 | 北京汽车动力总成有限公司 | Oil-gas separator assembly and vehicle |
| US11719140B1 (en) | 2022-09-01 | 2023-08-08 | Ford Global Technologies, Llc | Internally assembled positive crankcase ventilation valve |
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| CN1467371A (en) * | 2002-06-12 | 2004-01-14 | 现代自动车株式会社 | Engine blow-by gas distribution system |
| CN201011312Y (en) * | 2007-01-29 | 2008-01-23 | 奇瑞汽车有限公司 | Intake manifold of small displacement engine |
| CN103174560A (en) * | 2011-12-26 | 2013-06-26 | 丰田自动车株式会社 | Inlet manifold |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008120234A1 (en) * | 2007-03-30 | 2008-10-09 | Tata Motors Limited | A novel integrated module for internal combustion inline common rail twin cylinder diesel engine |
| KR101253436B1 (en) * | 2011-10-06 | 2013-04-11 | 지엠 글로벌 테크놀러지 오퍼레이션스 엘엘씨 | Blow-by gas recirculation apparatus with a bulit-in integrated gas control module |
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- 2013-11-29 CN CN201310620810.2A patent/CN103615296B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1467371A (en) * | 2002-06-12 | 2004-01-14 | 现代自动车株式会社 | Engine blow-by gas distribution system |
| CN201011312Y (en) * | 2007-01-29 | 2008-01-23 | 奇瑞汽车有限公司 | Intake manifold of small displacement engine |
| CN103174560A (en) * | 2011-12-26 | 2013-06-26 | 丰田自动车株式会社 | Inlet manifold |
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