CN201884095U - Oil-gas separating system of automobile engine - Google Patents
Oil-gas separating system of automobile engine Download PDFInfo
- Publication number
- CN201884095U CN201884095U CN2010206197720U CN201020619772U CN201884095U CN 201884095 U CN201884095 U CN 201884095U CN 2010206197720 U CN2010206197720 U CN 2010206197720U CN 201020619772 U CN201020619772 U CN 201020619772U CN 201884095 U CN201884095 U CN 201884095U
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Abstract
The utility model provides an oil-gas separating system of an automobile engine, which belongs to the technical field of automobiles, and solves the problem of low separating efficiency of an existing oil-gas separating system. The oil-gas separating system of an automobile engine comprises a cylinder cover, an oil deflector is connected into the cylinder cover and divides the cylinder cover into an independent fresh air cavity, an independent separating cavity and a mixed gas cavity, the mixed gas cavity is respectively communicated with the fresh air cavity and the separating cavity, a fresh air inlet communicated with the fresh air cavity is disposed on the cylinder cover, a fresh air outlet communicated with the fresh air cavity and the mixed gas cavity is arranged on the oil deflector, a mixed gas inlet communicated with the mixed gas cavity and the separating cavity is further disposed on the oil deflector, a plurality of baffle plates are arranged in the separating cavity, and a mixed gas outlet communicated with the separating cavity is further disposed on the cylinder cover. In the oil-gas separating system, crankshaft case gas is mixed with fresh air in the cylinder cover, the crankshaft case gas enters the separating cavity for separation after being cooled, and separating efficiency is high.
Description
Technical field
The utility model belongs to automobile technical field, relates to a kind of oil and gas separating system of motor car engine, the oil and gas separating system on particularly a kind of motor housing.
Background technique
Along with the increase of automobile pollution, emission of automobile wastes is more and more serious to the pollution of atmosphere, and various countries also strengthen day by day to the emission of automobile wastes standard.
When motor car engine is worked, in Piston Compression and the inflation process, combustion gas in the cylinder inevitably can be scurried in people's crankcase through the gap of piston ring, scurries in the gas in the crankcase and contains HC and other pollutants, and the machine oil in the oil sump may be polluted by gas leakage; When motor is worked at low temperatures, also have liquid fuel and leak people's crankcase, with the oil dilution in the oil sump, add the heated oxide effect, shorten the working life of machine oil; And the gas pressure in the crankcase raises, and when pressure is higher than barometric pressure, will cause that machine oil spills from the oil sealing of crankshaft two end.Therefore generally all be provided with crankcase ventilation system in the crankcase, the mixed gas of crankcase is discharged.Oil and gas separating system in the crankcase ventilation system is exactly that the machine oil in the mixed gas is separated, inflammable gas after the separation reenters the firing chamber and participates in burning, if but the oil gas separation of oil and gas separating system is not good, the gas that enters the firing chamber so contains a large amount of machine oil, the burning of machine oil has had a strong impact on the exhaust index of motor, and the life-span of motor is made a big impact.Therefore, oil and gas separating system plays crucial effects in crankcase ventilation system.
The disclosed a kind of motor car engine oil and gas separating system of Chinese patent (notice of authorization CN201531292U), between engine cylinder-body and valve mechanism cover, have gas channel, integrated Oil-gas Separation chamber in valve mechanism cover, in the Oil-gas Separation chamber, be integrated with respiratory cavity baffle plate, PCV chamber baffle plate and skimming baffle, on respiratory cavity baffle plate and PCV chamber baffle plate, have spill port.Above-mentioned patent structure is comparatively compact, only depends on baffle plate to carry out Oil-gas Separation, and its separation effect is lower.
Summary of the invention
The purpose of this utility model is to have the problems referred to above at existing technology, has proposed the high motor car engine oil and gas separating system of a kind of Oil-gas Separation efficient.
The purpose of this utility model can realize by following technical proposal: a kind of motor car engine oil and gas separating system, comprise valve mechanism cover, it is characterized in that, described valve mechanism cover inboard is connected with oil baffle, described oil baffle is divided into separate fresh air chamber and disengagement chamber with valve mechanism cover, and the mixed air cavity that communicates with fresh air chamber and disengagement chamber respectively, has the fresh air intake that communicates with the fresh air chamber on the described valve mechanism cover, offer the fresh air outlet that is communicated with fresh air chamber and mixed air cavity on the described oil baffle, also has the mixed gas inlet that is communicated with mixed air cavity and disengagement chamber on the described oil baffle, be provided with several baffle plates in the described disengagement chamber, also be provided with the mixed gas outlet that communicates with disengagement chamber on the described valve mechanism cover.
Fresh air enters the fresh air chamber by the inlet of offering on the valve mechanism cover, and flow into mixed air cavity by the outlet in fresh air chamber, fresh air is with after crank case gases mixes, enter disengagement chamber by the inlet of the mixed gas on the oil baffle, mixed gas impinges upon on each baffle plate after entering disengagement chamber, therefore the mist of oil in the mixed gas is clashed into separation, reaches oil gas separation.Crank case gases after the separation enters intake manifold through mixed gas outlet, and enters the firing chamber through valve and burn.The crank case gases temperature is higher, therefore mixes the cooling-down effect that reaches certain with fresh air before separation, has increased Oil-gas Separation efficient.
In above-mentioned motor car engine oil and gas separating system, described mixed gas outlet is provided with the PVC valve.The engine operating condition difference, piston air leakage can change, the gas flow of crankcase of bleeding this moment also can change, when the crank case gases of difference amount enters valve mechanism cover, gas pressure in the valve mechanism cover is also different with the pressure reduction that the PCV valve connects the other end, the PCV valve is a unidirectional mitre velve, and it can be according to the discharge value of the automatic adjustments of gas of change of pressure at two ends difference.
In above-mentioned motor car engine oil and gas separating system, described oil baffle is positioned at first chamber that the mixed gas ingress is provided with projection, and described mixed gas inlet communicates with first chamber, and the described first chamber opening direction is back to above-mentioned mixed gas outlet one side.
The mixed gas inlet can be arranged at the arbitrary position of oil baffle, mixed gas is flowed in first chamber by the mixed gas inlet, under the leading role of first chamber, enter disengagement chamber, the opening of first chamber towards disengagement chamber away from mixed gas outlet one side, after mixed gas is flowed out by the opening of first chamber, under the leading role of disengagement chamber, flow to mixed gas outlet one end away from mixed gas outlet one end by disengagement chamber, in the flow process with disengagement chamber in baffle plate clash into, thereby reach oil gas separation.In addition, mixed gas is entering first chamber and also can reach certain separating effect during with the disengagement chamber side wall impact, this first chamber is set also can increase the flow circuits of mixed gas, increase the Oil-gas Separation efficient of mixed gas on the one hand, make things convenient for the heat radiation of mixed gas on the other hand, further increase Oil-gas Separation efficient.
In above-mentioned motor car engine oil and gas separating system, described oil baffle is provided with two fresh air outlets, and is provided with guiding surface in the outlet port.After fresh air has the inlet on the valve mechanism cover to enter the fresh air chamber, flow out, guiding surface is set in the outlet port plays leading role, make things convenient for the outflow of fresh air air by fresh air outlet.
In above-mentioned motor especially piece-rate system, also be provided with second chamber on the described oil baffle, second chamber is terminal to communicate with the fresh air outlet.After fresh air enters the fresh air chamber, be introduced into second chamber, flow out through the fresh air outlet, second chamber length is longer, and fresh air flows into the fresh air outlet port through second chamber, can play certain dustproof effect.
In above-mentioned motor car engine oil and gas separating system, described oil baffle is provided with spill port.The machine oil of mixed gas after bump separates flow back into again by spill port and plays lubrication in the oil sump.
In above-mentioned motor car engine oil and gas separating system, described spill port is two and is uniformly distributed on the oil baffle at disengagement chamber place.When carrying out Oil-gas Separation, oil droplet each bump of process is also separated, and therefore each place all might form machine oil in gas channel, the inflow oil sump that two spill ports can make things convenient for machine oil is set, certainly, according to actual conditions, can suitably adjust the quantity and the position of spill port.
In above-mentioned motor car engine oil and gas separating system, described valve mechanism cover is positioned at place, fresh air chamber and is provided with several floors.Floor is arranged at and is positioned at place, fresh air chamber on the valve mechanism cover, is used to strengthen the intensity of valve mechanism cover.
In above-mentioned motor car engine oil and gas separating system, described oil baffle is riveted on the valve mechanism cover.Oil baffle and valve mechanism cover are split type, are fixed together by riveted way.
In above-mentioned motor car engine oil and gas separating system, the lobed dividing plate in described valve mechanism cover middle part offers the resigning hole that matches with aforementioned barriers on the described oil baffle.Valve mechanism cover is divided into fresh air chamber and disengagement chamber.
Compared with prior art, in this oil and gas separating system, crank case gases mixes in valve mechanism cover with fresh air, enter in the disengagement chamber after the crank case gases temperature reduces and separate, the separation effect height, the mixed gas outlet place after separation is provided with the PVC valve can change the discharge value of adjusting crank case gases according to amount of crankcase gas, the pressure in the different magnitude of recruitment can regulate valve mechanism cover of fresh air, thereby regulate the flow velocity of crank case gases, reach optimal oil gas separation.
Description of drawings
Fig. 1 is the worm's eye view of this motor car engine oil and gas separating system;
Fig. 2 is the stereogram of oil baffle in this motor car engine oil and gas separating system;
Fig. 3 is the worm's eye view of oil baffle in this motor car engine oil and gas separating system;
Fig. 4 is the stereogram of valve mechanism cover in this motor car engine oil and gas separating system;
Fig. 5 is the worm's eye view of valve mechanism cover in this motor car engine oil and gas separating system.
Among the figure, 1, valve mechanism cover; 11, dividing plate; 12, fresh air intake; 13, mixed gas outlet; 14, spill port; 2, fresh air chamber; 21, floor; 3, disengagement chamber; 31, baffle plate; 4, mixed air cavity; 5, oil baffle; 51a, the outlet of first fresh air; 51b, the outlet of second fresh air; 52, mixed gas inlet; 53, first chamber; 54, second chamber.
Embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Shown in Fig. 1～5, this motor car engine oil and gas separating system comprises valve mechanism cover 1, the lobed dividing plate 11 in middle part at described valve mechanism cover 1 back side, valve mechanism cover 1 is divided into fresh air chamber 2 and disengagement chamber 3, valve mechanism cover 1 inboard is connected with oil baffle 5, oil baffle 5 is divided into separate fresh air chamber 2 and disengagement chamber 3 with valve mechanism cover 1, and the mixed air cavity 4 that communicates with fresh air chamber 2 and disengagement chamber 3 respectively.Has the fresh air intake 12 that communicates with fresh air chamber 2 on the valve mechanism cover 1, offer the fresh air outlet that is communicated with fresh air chamber 2 and mixed air cavity 4 on the oil baffle 5, also have the mixed gas inlet 52 that is communicated with mixed air cavity 4 and disengagement chamber 3 on the described oil baffle 5, also be provided with the mixed gas outlet 13 that communicates with disengagement chamber 3 on the valve mechanism cover 1.Be provided with several baffle plates 31 in the disengagement chamber 3, baffle plate 31 is divided into many rows labyrinth with disengagement chamber 3, and mixed gas is carried out Oil-gas Separation.
Fresh air enters fresh air chamber 2 by the inlet of offering on the valve mechanism cover 1, and flow into mixed air cavity 4 by the outlet in fresh air chamber 2, fresh air is with after crank case gases mixes, enter disengagement chamber 3 by the inlet of the mixed gas on the oil baffle 5 52, mixed gas impinges upon on each baffle plate 31 after entering disengagement chamber 3, therefore the mist of oil in the mixed gas is clashed into separation, reaches oil gas separation.Crank case gases after the separation enters intake manifold through mixed gas outlet 13, and enters the firing chamber through valve and burn.The crank case gases temperature is higher, therefore mixes the cooling-down effect that reaches certain with fresh air before separation, has increased Oil-gas Separation efficient.
As shown in Figures 2 and 3, oil baffle 5 be positioned at that mixed gas enters the mouth that 52 places are provided with projection with mixed gas inlet 52 first chambers 53 that communicate, and first chamber, 53 opening directions are back to above-mentioned mixed gas outlet 13 1 sides.Mixed gas is flowed in first chamber 53 by mixed gas inlet 52, under the leading role of first chamber 53, enter disengagement chamber 3, because first chamber, 53 opening directions are back to above-mentioned mixed gas outlet 13 1 sides, behind the opening inflow disengagement chamber 3 of mixed gas by first chamber 53, flow to mixed gas outlet 13 1 ends by disengagement chamber 3 away from mixed gas outlet 13 1 ends, in the flow process with disengagement chamber 3 in baffle plate 31 clash into, thereby reach oil gas separation.Mixed gas is entering first chamber 53 and can reach certain separating effect during with disengagement chamber 3 side wall impact, mixed gas inlet 52 is arranged near mixed gas outlet 13 positions, chamber 53 length of winning are increased, can increase the flow circuits length of mixed gas, increase the Oil-gas Separation efficient of mixed gas on the one hand, make things convenient for the heat radiation of mixed gas on the other hand, further increase Oil-gas Separation efficient.
As shown in Figure 4 and Figure 5, mixed gas outlet 13 is provided with the PCV valve.The engine operating condition difference, piston air leakage can change, the gas flow of crankcase of bleeding this moment also can change, when the crank case gases of difference amount enters valve mechanism cover 1, gas pressure in the valve mechanism cover 1 is also different with the pressure reduction that the PCV valve connects the other end, the PCV valve is a unidirectional mitre velve, and it can be according to the discharge value of the automatic adjustments of gas of change of pressure at two ends difference.Be positioned at disengagement chamber 3 places on the oil baffle 5 and also be provided with spill port 14, the machine oil of mixed gas after bump separates flow back into again by spill port 14 and plays lubrication in the oil sump.Valve mechanism cover 1 is positioned at 2 places, fresh air chamber and is provided with several floors 21, is used to strengthen the intensity of valve mechanism cover 1.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (10)
1. motor car engine oil and gas separating system, comprise valve mechanism cover (1), it is characterized in that, described valve mechanism cover (1) inboard is connected with oil baffle (5), described oil baffle (5) is divided into separate fresh air chamber (2) and disengagement chamber (3) with valve mechanism cover (1), and the mixed air cavity (4) that communicates with fresh air chamber (2) and disengagement chamber (3) respectively, has the fresh air intake (12) that communicates with fresh air chamber (2) on the described valve mechanism cover (1), offer the fresh air outlet that is communicated with fresh air chamber (2) and mixed air cavity (4) on the described oil baffle (5), the mixed gas inlet (52) that also has connection mixed air cavity (4) and disengagement chamber (3) on the described oil baffle (5), be provided with several baffle plates (31) in the described disengagement chamber (3), also be provided with the mixed gas outlet (13) that communicates with disengagement chamber (3) on the described valve mechanism cover (1).
2. motor car engine oil and gas separating system according to claim 1, it is characterized in that, described oil baffle (5) is positioned at first chamber (53) that mixed gas inlet (52) locates to be provided with projection, described mixed gas inlet (52) communicates with first chamber (53), and described first chamber (53) opening direction is back to above-mentioned mixed gas outlet (13) one sides.
3. motor car engine oil and gas separating system according to claim 1 and 2 is characterized in that, described oil baffle (5) is provided with two fresh air outlets, and is provided with guiding surface in the outlet port.
4. motor car engine oil and gas separating system according to claim 2 is characterized in that, also is provided with second chamber (54) on the described oil baffle (5), and second chamber (54) is terminal to communicate with the fresh air outlet.
5. according to claim 1 or 2 or 4 described motor car engine oil and gas separating systems, it is characterized in that described mixed gas outlet (13) is provided with the PVC valve.
6. according to claim 1 or 2 or 4 described motor car engine oil and gas separating systems, it is characterized in that described oil baffle (5) is provided with spill port (14).
7. motor car engine oil and gas separating system according to claim 6 is characterized in that, described spill port (14) is two and is uniformly distributed on the oil baffle (5) at disengagement chamber (3) place.
8. according to claim 1 or 2 or 4 described motor car engine oil and gas separating systems, it is characterized in that described valve mechanism cover (1) is positioned at fresh air chamber (2) and locates to be provided with several floors (21).
9. according to claim 1 or 2 or 4 described motor car engine oil and gas separating systems, it is characterized in that described oil baffle (5) is riveted on the valve mechanism cover (1).
10. according to claim 1 or 2 or 4 described motor car engine oil and gas separating systems, it is characterized in that described valve mechanism cover (1) middle part lobed dividing plate (11) offers the resigning hole that matches with aforementioned barriers (11) on the described oil baffle (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206197720U CN201884095U (en) | 2010-11-22 | 2010-11-22 | Oil-gas separating system of automobile engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206197720U CN201884095U (en) | 2010-11-22 | 2010-11-22 | Oil-gas separating system of automobile engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201884095U true CN201884095U (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206197720U Expired - Fee Related CN201884095U (en) | 2010-11-22 | 2010-11-22 | Oil-gas separating system of automobile engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201884095U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422942A (en) * | 2013-08-29 | 2013-12-04 | 安徽江淮汽车股份有限公司 | Oil-gas separator and motor cylinder protective shield |
| CN103982320A (en) * | 2014-05-21 | 2014-08-13 | 柳州五菱柳机动力有限公司 | High-efficiency integrated oil-gas separating device |
| CN105089844A (en) * | 2015-07-20 | 2015-11-25 | 力帆实业(集团)股份有限公司 | Engine and cylinder head cover, with labyrinth structure, of engine |
-
2010
- 2010-11-22 CN CN2010206197720U patent/CN201884095U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422942A (en) * | 2013-08-29 | 2013-12-04 | 安徽江淮汽车股份有限公司 | Oil-gas separator and motor cylinder protective shield |
| CN103982320A (en) * | 2014-05-21 | 2014-08-13 | 柳州五菱柳机动力有限公司 | High-efficiency integrated oil-gas separating device |
| CN105089844A (en) * | 2015-07-20 | 2015-11-25 | 力帆实业(集团)股份有限公司 | Engine and cylinder head cover, with labyrinth structure, of engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20131122 |