CN202348469U - Integrated type cylinder head cover of gasoline engine - Google Patents
Integrated type cylinder head cover of gasoline engine Download PDFInfo
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- CN202348469U CN202348469U CN2011204196272U CN201120419627U CN202348469U CN 202348469 U CN202348469 U CN 202348469U CN 2011204196272 U CN2011204196272 U CN 2011204196272U CN 201120419627 U CN201120419627 U CN 201120419627U CN 202348469 U CN202348469 U CN 202348469U
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- gas separation
- separation chamber
- load oil
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Abstract
An integrated type cylinder head cover of a gasoline engine comprises a cylinder head cover housing, an oiling port cover, a low-load oil-gas separation cavity, a PCV valve, a medium-high load oil-gas separation cavity and a crankcase ventilation port, wherein the cylinder head cover housing is a base body for bearing all the elements; the oiling port cover is positioned at the front end on the gas inlet side of the engine; the oil-gas separation cavity is positioned at the rear half part on the gas inlet side of the engine; the PCV valve is connected with the oil-gas separation cavity and positioned at the rear end on the gas inlet side of the engine; the medium-high load oil-gas separation cavity is positioned on the exhaust side of the engine; and the crankcase ventilation port is connected with the medium-high load oil-gas separation cavity, and positioned at the front end on the exhaust side of the engine. The integrated type cylinder head cover of the gasoline engine has the advantages that the structure is compact, and the quantity of components is reduced, so as to reduce the manufacturing cost; and the blow-by gas and oil separation effect is remarkable, so that the combustion in a combustion chamber is complete and the power performance and the exhaust performance of the engine are improved.
Description
Technical field
The utility model relates to a kind of engine air cylinder cap, is particularly useful for vehicle-mounted petrol engine with the valve mechanism cover that bent axle ventilation system and valve mechanism cover sealing mechanism become one, and belongs to technical field of internal combustion engines.
Background technique
Motor is in operation process, and the high pressure unreacted fuel gas cognition in the cylinder is permeated promptly so-called gas blowby in crankcase through piston set and matching pair gap, cylinder hole.These gas blowbies can escape into atmosphere in the crankcase and pollute, and the mixed gas of gas blowby is not excluded the machine oil that also can dilute in the crankcase, make that machine oil is rotten to cause engine part to wear and tear too early.For fear of the negative effect that the motor gas blowby brings, manufacturer generally takes the gas blowby in the crankcase is introduced the measure that rekindles in the cylinder, replenishes fresh air simultaneously and comes the pressure in the balance crankshaft case.Therefore, economical, crankcase ventilation system becomes the research and development target of engine designer efficiently.
The setting of crankcase ventilation system generally comprises PCV device and Oil-gas Separation facility.In recent years; For adapting to the vehicle complete vehicle arrangement requirement; The on-board engine structural design is compact more, generally crankcase ventilation system is arranged on the valve mechanism cover, through the Oil-gas Separation facility; The machine oil drop separation of carrying in the gas blowby is come out to send back to oil sump, sent back to the firing chamber through the gas blowby after separating and rekindle.Present most of motor adopts the deaerator of mazy type or diaphragm type, and its separation effect is lower, especially for the big supercharged engine of air leak amount, is difficult to the machine oil particle separation that diameter in the gas blowby is very little and comes out; Be to improve Oil-gas Separation efficient, some motor has adopted plug-in deaerator mechanism, and this has not only increased the component cost, also takies certain arrangement space simultaneously.Particularly for straight spray supercharging type; Crankcase ventilation system is for reach the purpose of discharging gas blowby and additional fresh air simultaneously; Usually arrange two with upper pipeline (part is three or four), exist defectives such as amount of parts is many, manufacture cost is high, complex structure is too fat to move.
The model utility content
The purpose of the utility model is the drawback to existing technology, a kind of compact structure, low cost of manufacture is provided, can effectively improves the petrol engine integrated form valve mechanism cover of engine power performance and economic performance.
The said problem of the utility model realizes with following technical proposals:
A kind of petrol engine integrated form valve mechanism cover; Comprise valve mechanism cover shell, filler cap, low-load Oil-gas Separation chamber, PCV valve, middle high load Oil-gas Separation chamber and crankcase ventilation mouth in the formation, said valve mechanism cover shell is for carrying the matrix of all element, and said filler cap is positioned at engine charge side front end; Said low-load Oil-gas Separation chamber is positioned at engine charge Hindquarter portion; Said PCV valve links to each other with low-load Oil-gas Separation chamber, is positioned at engine charge rear flank end, and said middle high load Oil-gas Separation chamber is positioned at the exhaust side of engine; Said crankcase ventilation mouth links to each other with middle high load Oil-gas Separation chamber, is positioned at exhaust side of engine front end.
Above-mentioned petrol engine integrated form valve mechanism cover; Said low-load Oil-gas Separation chamber comprises low-load Oil-gas Separation chamber dividing plate, the gas blowby import of low-load Oil-gas Separation chamber, baffle-type deaerator and valve plate formula scavenger valve; Said low-load Oil-gas Separation chamber dividing plate is positioned at bottom, low-load Oil-gas Separation chamber; The chamber gas blowby import of said low-load Oil-gas Separation is positioned at low-load Oil-gas Separation chamber front end; Said baffle-type deaerator links to each other with the gas blowby import of low-load Oil-gas Separation chamber, and said valve plate formula scavenger valve is arranged in bottom, low-load Oil-gas Separation chamber.
Above-mentioned petrol engine integrated form valve mechanism cover; High load Oil-gas Separation chamber dividing plate, the chamber gas blowby import of middle high load Oil-gas Separation, integrated valve plate type deaerator and valve plate formula scavenger valve during high load Oil-gas Separation chamber comprises in said; High load Oil-gas Separation chamber dividing plate is arranged in bottom, high load Oil-gas Separation chamber in said; The gas blowby import of high load Oil-gas Separation chamber is arranged in mid-rear portion position, high load Oil-gas Separation chamber in said; Said integrated valve plate type deaerator links to each other with the chamber gas blowby import of middle high load Oil-gas Separation, bottom, high load Oil-gas Separation chamber during said valve plate formula scavenger valve is arranged in.
Above-mentioned petrol engine integrated form valve mechanism cover also comprises seal ring in the formation, said seal ring is arranged in valve mechanism cover bottom periphery position.
The utility model is integrated in whole crankcase ventilation system on the cylinder head cover, has promptly been realized discharging the function of gas blowby and additional fresh air by two interfaces (corresponding needs two pipelines) of crankcase ventilation system setting; Adopt separate middle high load Oil-gas Separation chamber and low-load Oil-gas Separation chamber, can under Under Different Work Condition of Engine, carry out the Oil-gas Separation of gas blowby separately, separation effect is high.In a word, the utility model compact structure has reduced amount of parts, thereby has reduced manufacture cost; The gas blowby oil gas separation is remarkable, makes combustion chambers burn abundant, has improved engine power performance and emission performance.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described further.
Fig. 1 is the utility model structural drawing;
Fig. 2 is the utility model axonometric drawing;
Fig. 3 is the utility model bottom surface structural representation;
Fig. 4 is an A-A sectional drawing among Fig. 1;
Fig. 5 is an engine low load operating mode lower crankcase ventilation system schematic diagram;
Fig. 6 is a motor middle and high load working condition lower crankcase ventilation system schematic diagram.
Each label is among the figure: 1, valve mechanism cover shell, 2, engine oil port cover, 3, the PCV valve, 4, seal ring; 5-1, low-load Oil-gas Separation chamber dividing plate, 5-2, middle high load Oil-gas Separation chamber dividing plate, 6, middle high load Oil-gas Separation chamber, 7, low-load Oil-gas Separation chamber; 8, low-load Oil-gas Separation chamber gas blowby import, 9, the baffle-type deaerator, 10, valve plate formula scavenger valve, 11, the chamber gas blowby import of middle high load Oil-gas Separation; 12, crankcase ventilation mouth, 13, the integrated valve plate type deaerator, 14, empty filter, 15, pressurized machine; 16, intercooler, 17, closure, 18, intake manifold; P1, barometric pressure, P2, engine crankcase internal air pressure, P3, intake manifold internal air pressure.
Embodiment
Referring to Fig. 1; The utility model comprises valve mechanism cover shell 1, filler cap 2, low-load Oil-gas Separation chamber 7, PCV valve 3, middle high load Oil-gas Separation chamber 6 and crankcase ventilation mouth 12 in constituting, and said valve mechanism cover shell 1 is for carrying the matrix of all element, and said filler cap 2 is positioned at engine charge side front end; Said low-load Oil-gas Separation chamber 7 is positioned at engine charge Hindquarter portion; Said PCV valve 3 links to each other with low-load Oil-gas Separation chamber 7, is positioned at engine charge rear flank end, and said middle high load Oil-gas Separation chamber 6 is positioned at the exhaust side of engine; Said crankcase ventilation mouth 12 links to each other with middle high load Oil-gas Separation chamber 6, is positioned at exhaust side of engine front end.
Referring to Fig. 2, Fig. 3, Fig. 4; Low-load Oil-gas Separation chamber 7 during the utility model constitutes comprises low-load Oil-gas Separation chamber dividing plate 5-1, low-load Oil-gas Separation chamber gas blowby import 8, baffle-type deaerator 9 and valve plate formula scavenger valve 10; Said low-load Oil-gas Separation chamber dividing plate 5-1 is positioned at 7 bottoms, low-load Oil-gas Separation chamber; Said low-load Oil-gas Separation chamber gas blowby import 8 is positioned at low-load Oil-gas Separation chamber 7 front ends; Said baffle-type deaerator 9 links to each other with low-load Oil-gas Separation chamber gas blowby import 8, and said valve plate formula scavenger valve 10 is arranged in 7 bottoms, low-load Oil-gas Separation chamber.
Referring to Fig. 2, Fig. 3, Fig. 4; High load Oil-gas Separation chamber dividing plate 5-2, middle high load Oil-gas Separation chamber gas blowby import 11, integrated valve plate type deaerator 13 and valve plate formula scavenger valve 10 during middle high load Oil-gas Separation chamber 6 during the utility model constitutes comprises; High load Oil-gas Separation chamber dividing plate 5-2 is arranged in 6 bottoms, high load Oil-gas Separation chamber in said; High load Oil-gas Separation chamber gas blowby import 11 is arranged in 6 mid-rear portion positions, high load Oil-gas Separation chamber in said; Said integrated valve plate type deaerator 13 links to each other with middle high load Oil-gas Separation chamber gas blowby import 11, and said valve plate formula scavenger valve 10 is arranged in middle 6 bottoms, high load Oil-gas Separation chamber.
Referring to Fig. 1, Fig. 2, Fig. 3, Fig. 4; The working principle of the utility model is: the PCV valve 3 in the formation is crankcase pressure control valve; Its force value is remained in 0 to-3kPa basically; This element is the two-way valve structure, when time of engine low load operation, can gas blowby be imported among the intake manifold 18, can oppositely send into fresh air in the crankcase under the middle and high load working condition; Baffle-type deaerator 9 is the gas and oil separating plant in low-load Oil-gas Separation chamber, with this device the machine oil that carries in the gas blowby is separated; Valve plate formula scavenger valve 10 is a kind of oil return apparatus; The machine oil that is separated flows back to cylinder cap through this scavenger valve; Finally get back to oil sump, this scavenger valve is that the unidirectional oil that can let flows to below the dividing plate above dividing plate, and machine oil below the dividing plate and gas blowby can't get in the valve mechanism cover; Crankcase ventilation mouth 12 is under middle and high load working condition, and gas blowby gets into pressurized machine 15 front ends through this inlet, and under running on the lower load, the fresh air in the empty filter 14 gets in the cylinder head cover through this ventilated port; Integrated valve plate type deaerator 13 is a kind of gas and oil separating plant; The machine oil particle separation of carrying in the gas blowby is come out, and this structure separation effect is high, can separate by the oil droplet that diameter is very little; And the pressure loss is very little, and is highly beneficial to the oil return of whole crankcase ventilation system; Low-load Oil-gas Separation chamber 7 is motor is realized the Oil-gas Separation of gas blowby under running on the lower load mechanisms; Middle high load Oil-gas Separation chamber 6 is motor is realized the Oil-gas Separation of gas blowby under middle and high load working condition mechanisms.
Referring to Fig. 5, when motor was in running on the lower load, pressurized machine 15 was not worked; Closure 17 is half-open, and this moment, pressure distribution was: P1>P2>P3, have only 7 work of low-load Oil-gas Separation chamber; Gas blowby gets in the disengagement chamber from low-load Oil-gas Separation chamber gas blowby import 8; Through baffle-type deaerator 9 machine oil in the gas blowby is separated, the machine oil that is separated flows back to cylinder cap through valve plate formula scavenger valve 10, and gas blowby gets into intake manifold 18 through PCV valve 3; Be admitted to the firing chamber subsequently and participate in burning, fresh air then gets in the cylinder head cover through crankcase ventilation mouth 12.
Referring to Fig. 6, when motor is in middle and high load working condition, pressurized machine 15 work; Closure 17 standard-sized sheets produce very big malleation, at this moment pressure distribution: P3 in the intake manifold 18>P2>P1; Have only 6 work of middle high load Oil-gas Separation chamber; Gas blowby therefrom high load Oil-gas Separation chamber gas blowby import 11 gets in the disengagement chamber, through integrated valve plate type deaerator 13, the machine oil in the gas blowby is separated; The machine oil that is separated flows back to cylinder cap through valve plate formula scavenger valve 10, and gas blowby gets into pressurized machine 15 front ends through crankcase ventilation mouth 12; Fresh air then gets in the cylinder head cover through PCV valve 3.
Claims (4)
1. petrol engine integrated form valve mechanism cover; It is characterized in that; It comprises valve mechanism cover shell (1), filler cap (2), low-load Oil-gas Separation chamber (7), PCV valve (3), middle high load Oil-gas Separation chamber (6) and crankcase ventilation mouth (12), and said valve mechanism cover shell (1) is for carrying the matrix of all element, and said filler cap (2) is positioned at engine charge side front end; Said low-load Oil-gas Separation chamber (7) is positioned at engine charge Hindquarter portion; Said PCV valve (3) links to each other with low-load Oil-gas Separation chamber (7), is positioned at engine charge rear flank end, and said middle high load Oil-gas Separation chamber (6) is positioned at the exhaust side of engine; Said crankcase ventilation mouth (12) links to each other with middle high load Oil-gas Separation chamber (6), is positioned at exhaust side of engine front end.
2. a kind of petrol engine integrated form valve mechanism cover according to claim 1; It is characterized in that; Said low-load Oil-gas Separation chamber (7) comprises low-load Oil-gas Separation chamber dividing plate (5-1), low-load Oil-gas Separation chamber gas blowby import (8), baffle-type deaerator (9) and valve plate formula scavenger valve (10); Said low-load Oil-gas Separation chamber dividing plate (5-1) is positioned at bottom, low-load Oil-gas Separation chamber (7); Said low-load Oil-gas Separation chamber gas blowby import (8) is positioned at low-load Oil-gas Separation chamber (7) front end; Said baffle-type deaerator (9) links to each other with low-load Oil-gas Separation chamber gas blowby import (8), and said valve plate formula scavenger valve (10) is arranged in bottom, low-load Oil-gas Separation chamber (7).
3. a kind of petrol engine integrated form valve mechanism cover according to claim 1 and 2; It is characterized in that; High load Oil-gas Separation chamber dividing plate (5-2), middle high load Oil-gas Separation chamber gas blowby import (11), integrated valve plate type deaerator (13) and valve plate formula scavenger valve (10) during high load Oil-gas Separation chamber (6) comprises in said; High load Oil-gas Separation chamber dividing plate (5-2) is arranged in bottom, high load Oil-gas Separation chamber (6) in said; High load Oil-gas Separation chamber gas blowby import (11) is arranged in mid-rear portion position, high load Oil-gas Separation chamber (6) in said; Said integrated valve plate type deaerator (13) links to each other with middle high load Oil-gas Separation chamber gas blowby import (11), bottom, high load Oil-gas Separation chamber (6) during said valve plate formula scavenger valve (10) is arranged in.
4. a kind of petrol engine integrated form valve mechanism cover according to claim 3 is characterized in that also comprise seal ring (4) in the formation, said seal ring (4) is arranged in valve mechanism cover bottom periphery position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204196272U CN202348469U (en) | 2011-10-29 | 2011-10-29 | Integrated type cylinder head cover of gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204196272U CN202348469U (en) | 2011-10-29 | 2011-10-29 | Integrated type cylinder head cover of gasoline engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202348469U true CN202348469U (en) | 2012-07-25 |
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ID=46537478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204196272U Expired - Lifetime CN202348469U (en) | 2011-10-29 | 2011-10-29 | Integrated type cylinder head cover of gasoline engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202348469U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632459A (en) * | 2015-01-26 | 2015-05-20 | 陕西北方动力有限责任公司 | In-line four-cylinder water-cooling diesel engine cylinder head cover |
| CN105257367A (en) * | 2015-11-30 | 2016-01-20 | 重庆小康工业集团股份有限公司 | Oil-gas separation system for supercharged engine |
| CN105422309A (en) * | 2015-11-30 | 2016-03-23 | 重庆小康工业集团股份有限公司 | Oil-gas separation type cylinder head cover |
| CN105545411A (en) * | 2014-10-28 | 2016-05-04 | 福特环球技术公司 | Crankcase ventilation for turbocharged engine |
| CN107201929A (en) * | 2017-07-27 | 2017-09-26 | 安徽江淮汽车集团股份有限公司 | Crankcase ventilation system |
| 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 |
| CN113202594A (en) * | 2021-04-26 | 2021-08-03 | 联合汽车电子有限公司 | Crankcase ventilation system, diagnostic method and storage medium |
-
2011
- 2011-10-29 CN CN2011204196272U patent/CN202348469U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545411A (en) * | 2014-10-28 | 2016-05-04 | 福特环球技术公司 | Crankcase ventilation for turbocharged engine |
| CN104632459A (en) * | 2015-01-26 | 2015-05-20 | 陕西北方动力有限责任公司 | In-line four-cylinder water-cooling diesel engine cylinder head cover |
| CN105257367A (en) * | 2015-11-30 | 2016-01-20 | 重庆小康工业集团股份有限公司 | Oil-gas separation system for supercharged engine |
| CN105422309A (en) * | 2015-11-30 | 2016-03-23 | 重庆小康工业集团股份有限公司 | Oil-gas separation type cylinder head cover |
| CN107201929A (en) * | 2017-07-27 | 2017-09-26 | 安徽江淮汽车集团股份有限公司 | Crankcase ventilation system |
| 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 |
| CN113202594A (en) * | 2021-04-26 | 2021-08-03 | 联合汽车电子有限公司 | Crankcase ventilation system, diagnostic method and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191227 Address after: 212200 No. 868, Hong Xing Road, Yangzhong Economic Development Zone, Zhenjiang, Jiangsu Patentee after: Honeycomb power system (Jiangsu) Co., Ltd Address before: 071000 No. 2266 Chaoyang South Street, Hebei, Baoding Patentee before: Changcheng Automobile Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |
|
| CX01 | Expiry of patent term |