CN203394609U - Crankcase ventilation device - Google Patents
Crankcase ventilation device Download PDFInfo
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- CN203394609U CN203394609U CN201320392303.3U CN201320392303U CN203394609U CN 203394609 U CN203394609 U CN 203394609U CN 201320392303 U CN201320392303 U CN 201320392303U CN 203394609 U CN203394609 U CN 203394609U
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- 238000009423 ventilation Methods 0.000 title abstract description 7
- 238000001914 filtration Methods 0.000 claims abstract description 93
- 238000000034 method Methods 0.000 claims description 13
- 239000011159 matrix material Substances 0.000 claims description 9
- 239000002516 radical scavenger Substances 0.000 claims description 8
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 6
- 238000002485 combustion reaction Methods 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 7
- 239000007789 gas Substances 0.000 description 30
- 238000010586 diagram Methods 0.000 description 6
- 238000010304 firing Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The utility model discloses a crankcase ventilation device. The crankcase ventilation device comprises an oil-gas separation system arranged in a cylinder cover, wherein the oil-gas separation system comprises a rough filtration zone and a refined filtration zone; the rough filtration zone consists of a rough filtration cover plate and a cylinder head cover, a rough filtration component is arranged in the rough filtration zone, the rough filtration component comprises a rough filtering plate and a first baffle, the first baffle is arranged on one side of the rough filtering plate to enable oil gas passing through the rough filtering plate to collide on the first baffle, and an oil inlet hole and an oil return trough are arranged on the rough filtration cover plate; the refined filtration zone consists of a refined filtration cover plate and a cylinder head cover, the refined filtration zone is communicated with the rough filtration zone, a refined filtration component is arranged in the refined filtration zone, the refined filtration component comprises a refined filtering plate and a first limit plate, the first limit plate is arranged on one side of the refined filtering plate, oil gas passing through the refined filtering plate collides on the first limit plate, so that oil drops are enabled to deposit, and an oil return valve is arranged on the refined filtration cover plate. According to the crankcase ventilation device, the overall structure is compact and the oil-gas separation effect is better.
Description
Technical field
The utility model relates to engine art, particularly a kind of crankcase bleeder.
Background technique
During engine operation, the high pressure inflammable mixture of firing chamber can bleed in crankcase by the gap between piston group and cylinder, causes gas blowby, can even to motor itself, bring infringement to crankcase and other parts like this, so motor must be carried out crankcase ventilation.In addition, for meeting the emission request of increasingly stringent and improving Economy, also must the design of March ventilation system for shaft box in Automobile Motor Design process.General pass through that crankcase bleeder is installed on motor and solve the problems referred to above.
At present, existing crankcase bleeder, by plug-in centrifugal oil-air separator or filer element type deaerator, forms crankcase bleeder assembly by parts such as steam hose, connecting tube, return tubes.
But existing crankcase bleeder connecting pipeline is more, arrangement space is larger, compact not, cold local, occurs the connecting pipeline blocking phenomenon of freezing; To with the deaerator of filter core, need more renew cartridge after using certain hour or mileage, user cost is high; Although it is the simple staggered of some baffle plates that existing crankcase bleeder is provided with the structure in ，Dan labyrinth, labyrinth, oil gas separation is bad.
Model utility content
The utility model is in order to overcome defect in above-mentioned prior art, a kind of crankcase bleeder is provided, by oil and gas separating system being set in valve mechanism cover inside, making crankcase bleeder save external pipeline and connect, compact overall structure, oil gas separation is better.
For achieving the above object, the utility model provides a kind of crankcase bleeder, comprise the oil and gas separating system that is located at cylinder cover inside, oil and gas separating system comprises: coarse filtration, coarse filtration is to be provided with rough filtering component in the coarse filtration district ， coarse filtration district that forms of coarse filtration cover plate and valve mechanism cover, and rough filtering component comprises coarse filtration plate and the first baffle plate, the side that the first baffle plate is located at coarse filtration plate makes to impinge upon on the first baffle plate through the oil gas of coarse filtration plate, and is provided with oil inlet hole and oil-return groove on coarse filtration cover plate; Essence filter, essence filter is smart filter cover plate and valve mechanism cover composition Jing Lv district, Jing Lv district communicates with coarse filtration district, in Jing Lv district, be provided with essence filter assembly, essence filter assembly comprises smart filter plate and the first limiting board, the first limiting board is located at a side of smart filter plate, and the oil gas of the smart filter plate of process impinges upon on the first limiting board and makes oil droplet deposit, and is provided with scavenger valve on smart filter cover plate.
In technique scheme, the most districts of coarse filtration plate are provided with matrix hole, and the diameter in matrix hole is Φ 4～Φ 6mm, and the distance of coarse filtration plate and the first baffle plate is Φ 4～Φ 6mm.
In technique scheme, rough filtering component is set to two groups, and two groups of rough filtering component mounting points are contrary, makes the location dislocation in the matrix hole on two coarse filtration plates, is provided with the second limiting board between two groups of rough filtering components.
In technique scheme, the diameter that the not a half district of smart filter plate is provided with staggered Lie Kong，Lie hole, position is Φ 2～Φ 3mm, and the distance of smart filter plate and the first limiting board is Φ 2～Φ 5mm.
In technique scheme, between rough filtering component and essence filter assembly, be provided with the 3rd limiting board.
In technique scheme, also comprise pressure regulator valve, pressure regulator valve is arranged on cylinder cover by jacket pipes and covers one end, Qie Yujinglv district and be communicated with, and between essence filter assembly and pressure regulator valve entry end, is provided with the 4th limiting board, and the outlet end of pressure regulator valve is communicated with combustion system by breathing pipe.
In technique scheme, the first limiting board, the second limiting board, the 3rd limiting board or the 4th limiting board are provided with some oil traps.
In technique scheme, oil inlet hole inner side is provided with in inlet baffle ， coarse filtration district and is provided with second baffle near inlet baffle place; The first baffle plate and second baffle and the moulding of valve mechanism cover integrally casting.
In technique scheme, at the outlet end of oil-return groove, be provided with U-shaped return tube.
In technique scheme, scavenger valve is the funnel with blanking cover.
Compared with prior art, the utlity model has following beneficial effect:
1. by design rough filtering component and essence filter assembly, mixed oil and gas is carried out to two-stage separation, separating effect is better;
2. pass through the filter opening diameter on coarse filtration plate and smart filter plate and the design of arrangement position, wherein, the filter opening diameter of coarse filtration plate is larger, and arranges and evacuate, and passes through fast coarse filtration plate when can make mixed oil and gas reach initial gross separation; The filter opening diameter of essence filter plate is less, and dense arrangement, and mixed oil and gas substantially completes separation after smart filter plate;
3. by design baffle plate or limiting board, can play the effect of interception oil droplet, thereby the direction of advance that simultaneously changes oil gas has extended the stroke of oil gas, separation is more abundant;
4. by design pressure regulator valve, can the pressure in piece-rate system be regulated, thus the forward velocity of change oil gas.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is that Fig. 1 is along the sectional view of B-B direction;
Fig. 3 is coarse filtration cover plate structure schematic diagram in the utility model;
Fig. 4 is coarse filtration plate structure schematic diagram in the utility model;
Fig. 5 is coarse filtration plate cross-sectional schematic in the utility model;
Fig. 6 is the utility model essence filter-plate structure schematic diagram;
Fig. 7 is smart filter plate cross-sectional schematic in the utility model;
Fig. 8 is smart filter cover plate structure schematic diagram in the utility model;
Fig. 9 is oil returning valve structure schematic diagram in the utility model;
Figure 10 is a kind of limiting board structural representation in the utility model;
Figure 11 is U-shaped return line structure schematic diagram in the utility model.
Embodiment
Below in conjunction with accompanying drawing, an embodiment of the present utility model is described in detail, but is to be understood that protection domain of the present utility model is not subject to the restriction of embodiment.
As shown in Figures 1 and 2, this practical new crankcase bleeder is by arranging oil and gas separating system in valve mechanism cover 3 inside, this oil and gas separating system comprises coarse filtration 1 and essence filter 2, mixed oil and gas is separated with the two-stage of essence filter 2 by coarse filtration 1, oil droplet flows back to engine interior from oil-return groove 11b or scavenger valve 24, and the gas after separation is got back to combustion system by pressure regulator valve 4 and breathing pipe 6, makes crankcase bleeder save external pipeline and connects, compact overall structure, oil gas separation is better.
In such scheme, the coarse filtration district that coarse filtration 1 is comprised of coarse filtration cover plate 11 and valve mechanism cover, in coarse filtration district, be provided with rough filtering component, rough filtering component comprises coarse filtration plate 12 and the first baffle plate 13a, coarse filtration plate 12 is arranged in coarse filtration district, the first baffle plate 13a is located at a side of coarse filtration plate 12, and on coarse filtration cover plate 11, be provided with oil inlet hole 11a and oil-return groove 11b(as shown in Figure 3), as decision design, inclined design one inlet baffle 14 inside oil inlet hole 11a, near inlet baffle 14, be provided with second baffle 13b, inlet baffle 14 can stop that the oil droplet splashing enters piece-rate system, second baffle 13b can change the direction that mixed gas advances, afterwards, the mixed oil and gas advancing impinges upon in coarse filtration plate 12Bing Congqi hole and passes through, larger oil droplet impinges upon again on the first baffle plate 13a, oil droplet on the first baffle plate 13a under deposition is dirty along the first plate washer 13a, finally can flow back to engine interior by oil-return groove 11b, oil-return groove 11b outlet end connects a U-shaped return tube 5(as shown in figure 11), U-shaped return tube 5 can play the effect of sealing, can guarantee that oil gas in crankcase can not return channels in piece-rate system, other mixed gas enters Jing Lv district through the shock change direction of advance of the first baffle plate 13a, essence filter 2 is that smart filter cover plate 21 forms Jing Lv district with valve mechanism cover, Jing Lv district communicates with coarse filtration district, in Jing Lv district, be provided with essence filter assembly, essence filter assembly comprises smart filter plate 22 and the first limiting board 23a, essence filter plate 22 is arranged in Jing Lv district, the first limiting board 23a is located at a side of smart filter plate 22, and on smart filter cover plate 21, be provided with scavenger valve 24(as shown in Figure 8), the mixed gas in process coarse filtration district impinges upon in smart filter plate 22Bing Congqi hole and passes through, then oil gas impinges upon again on the first limiting board 23a and makes oil droplet along oil trap 231(as shown in figure 10) to dirty, the design of oil trap 231 can be played the effect of drainage, simultaneously, increase the effect of impact area, finally by the scavenger valve 24 on smart filter cover plate 21, flow back to engine interior, scavenger valve 24 is one-way cocks, can be designed as the funnel (as shown in Figure 9) with blanking cover 24a, blanking cover 24a is generally in closed state, accumulation along with the oil droplet in funnel, the weight of oil droplet increases, can back down blanking cover 24a makes oil droplet be back to engine interior, this blocking cover structure, can guarantee that oil gas in crankcase can not return channels in piece-rate system.Between rough filtering component and essence filter assembly, be provided with the 3rd limiting board 23c.
The technical program also comprises pressure regulator valve 4, pressure regulator valve 4 is arranged on one end, Qie Yujinglv district in valve mechanism cover by jacket pipes and is communicated with, between essence filter assembly and pressure regulator valve 4 entry ends, be provided with the 4th limiting board 23d, the outlet end of pressure regulator valve 4 is communicated with combustion system by breathing pipe 6, breathing pipe 6 is fixed on valve mechanism cover wall by the first pipe clamp 7a and the second pipe clamp 7b, interior spring 42 and the diaphragm 41 of arranging of pressure regulator valve 4.For reaching the pressure balance of crankcase, by the suction function of supercharger air compressor, the waste gas of crankcase the inside is introduced to firing chamber to be processed, the pressure of controlling crankcase by the spring 42 in adjusting pressure regulator valve 4 and diaphragm 41, last waste gas is communicated with combustion system by breathing pipe 6, makes firing chamber and built-in oil and gas separating system be linked to be the circulating ventilation system of a sealing.
As decision design, as shown in Fig. 4 to 7, the most districts of coarse filtration plate 12 are provided with matrix hole 12a, and the diameter of matrix hole 12a is Φ 4～Φ 6mm, and the distance of coarse filtration plate 12 and the first baffle plate 13a is Φ 4～Φ 6mm.The diameter that the not a half district of essence filter plate 22 is provided with the staggered row Kong22a，Lie hole 22a in position is Φ 2～Φ 3mm, and the distance of smart filter plate 22 and the first limiting board 23a is Φ 2～Φ 5mm.
As decision design, rough filtering component is set to two groups, and two groups of rough filtering component mounting points are contrary, make the location dislocation in the matrix hole on two coarse filtration plates, can extend the stroke of mixed oil and gas in coarse filtration district, thereby can reach the object of abundant separation, between two groups of rough filtering components, be provided with the second limiting board 23b, mixed oil and gas impinges upon the surface of the second limiting board 23b, and oil droplet is along the oil trap 231 on the second limiting board 23b to dirty.
It should be noted that: the structure of the first limiting board 23a mentioning in the present embodiment, the second limiting board 23b, the 3rd limiting board 23c and the 4th limiting board 23d is consistent, can batch process, and the position height of limiting board and longitudinal separation can regulate, according to the pressure size in piece-rate system, change the speed of mixed gas, play the effect of collecting oil droplet simultaneously.The the first baffle plate 13a mentioning in the present embodiment and second baffle 13b and the moulding of cylinder cover integrally casting, can reduce costs.
Disclosed is above only specific embodiment of the utility model, and still, the utility model is not limited thereto, and the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (12)
1. a crankcase bleeder, is characterized in that, comprises the oil and gas separating system that is located at cylinder cover inside, and described oil and gas separating system comprises:
Coarse filtration, described coarse filtration is the coarse filtration district that coarse filtration cover plate and valve mechanism cover form, in described coarse filtration district, be provided with rough filtering component, described rough filtering component comprises coarse filtration plate and the first baffle plate, the side that described the first baffle plate is located at described coarse filtration plate makes to impinge upon on described the first baffle plate through the oil gas of described coarse filtration plate, and is provided with oil inlet hole and oil-return groove on described coarse filtration cover plate;
Essence filter, described essence filter is smart filter cover plate and valve mechanism cover composition Jing Lv district, described Jing Lv district communicates with described coarse filtration district, in described Jing Lv district, be provided with essence filter assembly, described essence filter assembly comprises smart filter plate and the first limiting board, described the first limiting board is located at a side of described smart filter plate, and the oil gas of the described smart filter plate of process impinges upon on described the first limiting board and makes oil droplet deposit, and is provided with scavenger valve on described smart filter cover plate.
2. crankcase bleeder according to claim 1, is characterized in that, the most districts of described coarse filtration plate are provided with matrix hole, and the diameter in described matrix hole is Φ 4～Φ 6mm, and the distance of described coarse filtration plate and described the first baffle plate is Φ 4～Φ 6mm.
3. crankcase bleeder according to claim 2, it is characterized in that, described rough filtering component is set to two groups, and described in two groups, rough filtering component mounting point is contrary, make the location dislocation in the matrix hole on coarse filtration plate described in two, described in two groups, between rough filtering component, be provided with the second limiting board.
4. crankcase bleeder according to claim 1, is characterized in that, the not a half district of described smart filter plate is provided with staggered row hole, position, and the diameter in described row hole is Φ 2～Φ 3mm, and the distance of described smart filter plate and described the first limiting board is Φ 2～Φ 5mm.
5. crankcase bleeder according to claim 4, is characterized in that, between described rough filtering component and described essence filter assembly, is provided with the 3rd limiting board.
6. according to the arbitrary described crankcase bleeder of claim 1-5, it is characterized in that, also comprise pressure regulator valve, described pressure regulator valve is arranged on by jacket pipes that cylinder cover covers and is communicated with one end, described Jing Lv district, between described essence filter assembly and described pressure regulator valve entry end, be provided with the 4th limiting board, the outlet end of described pressure regulator valve is communicated with combustion system by breathing pipe.
7. crankcase bleeder according to claim 6, is characterized in that, described the first limiting board or described the 4th limiting board are provided with some oil traps.
8. crankcase bleeder according to claim 7, is characterized in that, described oil inlet hole inner side is provided with inlet baffle, in described coarse filtration district, near described inlet baffle place, is provided with second baffle;
Described the first baffle plate and described second baffle and the moulding of cylinder cover integrally casting.
9. crankcase bleeder according to claim 8, is characterized in that, at the outlet end of described oil-return groove, is provided with U-shaped return tube.
10. crankcase bleeder according to claim 9, is characterized in that, described scavenger valve is the funnel with blanking cover.
11. crankcase bleeders according to claim 3, is characterized in that, described the second limiting board is provided with some oil traps.
12. crankcase bleeders according to claim 5, is characterized in that, described the 3rd limiting board is provided with some oil traps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320392303.3U CN203394609U (en) | 2013-07-03 | 2013-07-03 | Crankcase ventilation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320392303.3U CN203394609U (en) | 2013-07-03 | 2013-07-03 | Crankcase ventilation device |
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| CN203394609U true CN203394609U (en) | 2014-01-15 |
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| CN201320392303.3U Expired - Fee Related CN203394609U (en) | 2013-07-03 | 2013-07-03 | Crankcase ventilation device |
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Cited By (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982321A (en) * | 2014-05-30 | 2014-08-13 | 安徽江淮汽车股份有限公司 | Engine cylinder head protective cover and engine assembly |
| CN104165077A (en) * | 2014-07-21 | 2014-11-26 | 中国船舶重工集团公司第七一一研究所 | Grease backflow device of annular isolation-type respirator |
| CN105673135A (en) * | 2016-03-25 | 2016-06-15 | 广西玉柴机器股份有限公司 | PCV valve mounting structure |
| CN105840268A (en) * | 2016-03-24 | 2016-08-10 | 中国北方发动机研究所(天津) | Oil-gas separator device with adjustable back pressure |
| CN107023348A (en) * | 2017-06-02 | 2017-08-08 | 广西玉柴机器股份有限公司 | Built-in integration type oil-gas separator |
| 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 |
| CN107269422A (en) * | 2017-05-16 | 2017-10-20 | 广西玉柴动力机械有限公司 | A kind of cylinder head cover gas oil separation structure |
| CN107829801A (en) * | 2017-11-29 | 2018-03-23 | 安徽全柴动力股份有限公司 | A kind of cover assembly of cylinder head |
| CN107939480A (en) * | 2018-01-10 | 2018-04-20 | 广西玉柴机器股份有限公司 | Diesel engine twin-stage oil and gas separating system |
| CN107989674A (en) * | 2018-01-10 | 2018-05-04 | 广西玉柴机器股份有限公司 | Oil and gas separating system built in Novel air cylinder housing |
| CN108049937A (en) * | 2018-01-10 | 2018-05-18 | 广西玉柴机器股份有限公司 | Oil and gas separating system built in valve mechanism cover |
| CN108868963A (en) * | 2018-06-15 | 2018-11-23 | 东风汽车集团有限公司 | A kind of integrated form gas oil separation structure of engine with supercharger |
| CN109057915A (en) * | 2018-09-14 | 2018-12-21 | 广西玉柴机器股份有限公司 | A kind of tree-shaped plate gas drive formula oil-gas separating device of engine |
| CN109113831A (en) * | 2018-09-14 | 2019-01-01 | 广西玉柴机器股份有限公司 | A kind of strainer gas drive formula voltage adaptive controlling oil-gas separating device of engine |
| CN109113832A (en) * | 2018-09-14 | 2019-01-01 | 广西玉柴机器股份有限公司 | A kind of tree-shaped plate gas drive formula voltage adaptive controlling oil-gas separating device of engine |
| CN109184855A (en) * | 2018-09-14 | 2019-01-11 | 广西玉柴机器股份有限公司 | A kind of partition oil drive formula voltage adaptive controlling oil-gas separating device of engine |
| CN109209558A (en) * | 2018-09-14 | 2019-01-15 | 广西玉柴机器股份有限公司 | A kind of filter net type voltage adaptive controlling oil-gas separating device of engine |
| CN109236416A (en) * | 2018-09-14 | 2019-01-18 | 广西玉柴机器股份有限公司 | A kind of iris type voltage adaptive controlling oil-gas separating device of engine |
| CN109236417A (en) * | 2018-09-14 | 2019-01-18 | 广西玉柴机器股份有限公司 | A kind of partition gas drive formula oil-gas separating device of engine |
| CN110630351A (en) * | 2019-09-12 | 2019-12-31 | 安徽省锦瑞汽车部件有限公司 | Double-layer labyrinth matrix type efficient oil-gas separator |
| WO2020052658A1 (en) * | 2018-09-14 | 2020-03-19 | 广西玉柴机器股份有限公司 | Filter-plate self-adaptive pressure adjustment oil-gas separation device for engine |
| WO2020052657A1 (en) * | 2018-09-14 | 2020-03-19 | 广西玉柴机器股份有限公司 | Filter-type engine oil-gas separation device |
| WO2020052662A1 (en) * | 2018-09-14 | 2020-03-19 | 广西玉柴机器股份有限公司 | Partition-plate oil-gas separation device for engine |
| CN112302759A (en) * | 2019-07-31 | 2021-02-02 | 北汽福田汽车股份有限公司 | Oil-gas separation structure, engine and vehicle |
| CN112459863A (en) * | 2020-12-11 | 2021-03-09 | 天津特瑞捷动力科技有限公司 | High-efficient oil-gas separation device |
| CN114790952A (en) * | 2022-05-10 | 2022-07-26 | 广西玉柴动力股份有限公司 | Oil-gas separator for cylinder head cover with water jacket structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982321A (en) * | 2014-05-30 | 2014-08-13 | 安徽江淮汽车股份有限公司 | Engine cylinder head protective cover and engine assembly |
| CN104165077A (en) * | 2014-07-21 | 2014-11-26 | 中国船舶重工集团公司第七一一研究所 | Grease backflow device of annular isolation-type respirator |
| CN105840268A (en) * | 2016-03-24 | 2016-08-10 | 中国北方发动机研究所(天津) | Oil-gas separator device with adjustable back pressure |
| CN105673135A (en) * | 2016-03-25 | 2016-06-15 | 广西玉柴机器股份有限公司 | PCV valve mounting structure |
| CN107269422A (en) * | 2017-05-16 | 2017-10-20 | 广西玉柴动力机械有限公司 | A kind of cylinder head cover gas oil separation structure |
| CN107023348A (en) * | 2017-06-02 | 2017-08-08 | 广西玉柴机器股份有限公司 | Built-in integration type oil-gas separator |
| 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 |
| CN107829801A (en) * | 2017-11-29 | 2018-03-23 | 安徽全柴动力股份有限公司 | A kind of cover assembly of cylinder head |
| CN107939480A (en) * | 2018-01-10 | 2018-04-20 | 广西玉柴机器股份有限公司 | Diesel engine twin-stage oil and gas separating system |
| CN107989674A (en) * | 2018-01-10 | 2018-05-04 | 广西玉柴机器股份有限公司 | Oil and gas separating system built in Novel air cylinder housing |
| CN108049937A (en) * | 2018-01-10 | 2018-05-18 | 广西玉柴机器股份有限公司 | Oil and gas separating system built in valve mechanism cover |
| CN108868963A (en) * | 2018-06-15 | 2018-11-23 | 东风汽车集团有限公司 | A kind of integrated form gas oil separation structure of engine with supercharger |
| CN108868963B (en) * | 2018-06-15 | 2020-07-14 | 东风汽车集团有限公司 | Integrated oil-gas separation structure of supercharged engine |
| CN109184855A (en) * | 2018-09-14 | 2019-01-11 | 广西玉柴机器股份有限公司 | A kind of partition oil drive formula voltage adaptive controlling oil-gas separating device of engine |
| WO2020052657A1 (en) * | 2018-09-14 | 2020-03-19 | 广西玉柴机器股份有限公司 | Filter-type engine oil-gas separation device |
| CN109113831A (en) * | 2018-09-14 | 2019-01-01 | 广西玉柴机器股份有限公司 | A kind of strainer gas drive formula voltage adaptive controlling oil-gas separating device of engine |
| CN109209558A (en) * | 2018-09-14 | 2019-01-15 | 广西玉柴机器股份有限公司 | A kind of filter net type voltage adaptive controlling oil-gas separating device of engine |
| CN109236416A (en) * | 2018-09-14 | 2019-01-18 | 广西玉柴机器股份有限公司 | A kind of iris type voltage adaptive controlling oil-gas separating device of engine |
| CN109236417A (en) * | 2018-09-14 | 2019-01-18 | 广西玉柴机器股份有限公司 | A kind of partition gas drive formula oil-gas separating device of engine |
| CN109057915A (en) * | 2018-09-14 | 2018-12-21 | 广西玉柴机器股份有限公司 | A kind of tree-shaped plate gas drive formula oil-gas separating device of engine |
| WO2020052658A1 (en) * | 2018-09-14 | 2020-03-19 | 广西玉柴机器股份有限公司 | Filter-plate self-adaptive pressure adjustment oil-gas separation device for engine |
| WO2020052661A1 (en) * | 2018-09-14 | 2020-03-19 | 广西玉柴机器股份有限公司 | Partition-type self-adapting pressure-regulating oil-gas separation device for engine |
| CN109113832A (en) * | 2018-09-14 | 2019-01-01 | 广西玉柴机器股份有限公司 | A kind of tree-shaped plate gas drive formula voltage adaptive controlling oil-gas separating device of engine |
| WO2020052655A1 (en) * | 2018-09-14 | 2020-03-19 | 广西玉柴机器股份有限公司 | Oil-gas separation device of filtering adaptive pressure-regulating engine |
| WO2020052662A1 (en) * | 2018-09-14 | 2020-03-19 | 广西玉柴机器股份有限公司 | Partition-plate oil-gas separation device for engine |
| CN112302759A (en) * | 2019-07-31 | 2021-02-02 | 北汽福田汽车股份有限公司 | Oil-gas separation structure, engine and vehicle |
| CN110630351A (en) * | 2019-09-12 | 2019-12-31 | 安徽省锦瑞汽车部件有限公司 | Double-layer labyrinth matrix type efficient oil-gas separator |
| CN110630351B (en) * | 2019-09-12 | 2021-09-10 | 安徽省锦瑞汽车部件有限公司 | Double-layer labyrinth matrix type efficient oil-gas separator |
| CN112459863A (en) * | 2020-12-11 | 2021-03-09 | 天津特瑞捷动力科技有限公司 | High-efficient oil-gas separation device |
| CN114790952A (en) * | 2022-05-10 | 2022-07-26 | 广西玉柴动力股份有限公司 | Oil-gas separator for cylinder head cover with water jacket structure |
| CN114790952B (en) * | 2022-05-10 | 2024-02-27 | 广西玉柴动力股份有限公司 | Oil-gas separator with water jacket structure for cylinder head cover |
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