CN110043344A - Engine removes the oil gas circulatory system with high efficiency - Google Patents
Engine removes the oil gas circulatory system with high efficiency Download PDFInfo
- Publication number
- CN110043344A CN110043344A CN201910282745.4A CN201910282745A CN110043344A CN 110043344 A CN110043344 A CN 110043344A CN 201910282745 A CN201910282745 A CN 201910282745A CN 110043344 A CN110043344 A CN 110043344A
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- CN
- China
- Prior art keywords
- oil
- gas
- oil gas
- engine
- labyrinth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M13/0416—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil arranged in valve-covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0422—Separating oil and gas with a centrifuge device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0433—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a deflection device, e.g. screen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0438—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a filter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0461—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil with a labyrinth
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M13/00—Crankcase ventilating or breathing
- F01M13/04—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil
- F01M2013/0477—Crankcase ventilating or breathing having means for purifying air before leaving crankcase, e.g. removing oil by separating water or moisture
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a kind of engines to remove the oil gas circulatory system with high efficiency.It includes: cylinder head cover oil gas labyrinthine system that the engine, which removes the oil gas circulatory system with high efficiency, and one end with labyrinth cavity, the labyrinth cavity is provided with outlet side, and gs-oil separator interface is offered at the top of the end；Filter plate, labyrinth separation structure and partition are equipped in cylinder head cover oil gas labyrinthine system；Gs-oil separator, with exhaust gas inlet, oil return opening and waste gas outlet, the exhaust gas inlet is connect with the gs-oil separator interface of cylinder head cover oil gas labyrinthine system；And oil baffle, it is multi-disc, inclination is laid in the escape pipe of gs-oil separator respectively, forms three Oil-gas Separation processes with cylinder head cover oil gas labyrinthine system and gs-oil separator.The engine removes the crankcase ventilation demand that the oil gas circulatory system can reduce the loss of machine oil to greatest extent, meet engine, and zero exhaust of oil of energy, maximum environment protection with high efficiency.
Description
Technical field
The present invention relates to engine arts, remove the oil gas circulatory system with high efficiency especially with regard to a kind of engine.
Background technique
The power of various vehicles is still based on compression-ignited and spark-ignition engine currently on the market.When engine operates,
The high pressure combustion mixture and burnt gas of combustion chamber partially can leak into crankcase by the gap between piston group and cylinder
It is interior, cause gas blowby.The ingredient of gas blowby is unburned fuel vapor, vapor and exhaust gas etc., this can dilute machine oil, reduce making for machine oil
With performance, accelerates the oxidation of machine oil, goes bad, a degree of influence is caused on the performance of engine and structure.Gas blowby can make song
The hypertonia of axle box and the sealing for destroying crankcase, are lost engine oil leakage.
Engine all has crankcase bleeder at present: some are to be directly discharged into atmosphere by steam hose, are caused big
Gas pollution；Some are machine oil to be isolated using gs-oil separator, but separation is not thorough；Some are using special ventilating air passage
Structure rises engine manufacturing cost using special ventilating air passage scheme.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Summary of the invention
The purpose of the present invention is to provide a kind of simple and reasonable engines to remove the oil gas circulatory system with high efficiency, should
Engine removes the oil gas circulatory system with high efficiency and can reduce the loss of machine oil to greatest extent, meets the crankcase ventilation of engine
Demand, and zero exhaust of oil of energy, maximum environment protection.
To achieve the above object, the present invention provides a kind of engines removes the oil gas circulatory system with high efficiency, comprising: cylinder cap
Cover oil gas labyrinthine system, one end with labyrinth cavity, the labyrinth cavity are provided with outlet side, offer oil at the top of the end
Gas separating device interface；Filter plate, labyrinth separation structure and partition, the labyrinth separation structure are equipped in cylinder head cover oil gas labyrinthine system
It include: to protrude above the spaced apart baffle being equipped in the two sides cavity wall of labyrinth cavity, the gear in the side cavity wall of labyrinth cavity
Plate end and its other side cavity wall are adapted, and the baffle in the cavity wall of two sides, which is mutually twisted, arranges and form winding type rectification channel；
The upstream of labyrinth cavity is arranged in the filter plate, and the downstream of labyrinth separation structure is arranged in the partition, offers oil gas mistake
Mouth and oil gas sliding slot, the oil gas through labyrinth separation structured filter crosses mouth by the oil gas of partition and oil gas sliding slot enters outlet side；
Gs-oil separator is cyclone centrifugal formula gs-oil separator, impacting type gs-oil separator, band filer element type gs-oil separator or active
Formula gs-oil separator, the gs-oil separator have exhaust gas inlet, oil return opening and waste gas outlet, the exhaust gas inlet and cylinder head cover oil
The gs-oil separator interface of gas labyrinthine system connects, and the liquid oil return of gs-oil separator separation returns to oil sump by oil return opening,
The waste gas outlet is provided with escape pipe；The escape pipe is connected by connecting tube, booster air inlet tube, connection rubber tube and booster
It connects；And oil baffle, it is multi-disc, inclination is laid in the escape pipe of gs-oil separator respectively, with cylinder head cover oil gas labyrinth system
System and gs-oil separator form three Oil-gas Separation processes.
In a preferred embodiment, cylinder head cover oil gas labyrinthine system is integrated in the inner upper of cylinder head cover.
In a preferred embodiment, oil baffle is filter net type oil baffle.
In a preferred embodiment, oil baffle is multi-disc disposed in parallel.
In a preferred embodiment, oil baffle is two panels disposed in parallel.
In a preferred embodiment, the escape pipe axis of oil baffle and gs-oil separator is at 30 ° or 45 °.
Compared with prior art, engine according to the present invention, which removes the oil gas circulatory system with high efficiency, has following beneficial effect
Fruit: the engine removes the oil gas circulatory system using oil gas labyrinthine system, gs-oil separator and the filter at the top of cylinder head cover with high efficiency
Three separation processes such as net formula oil baffle, the crankcase ventilation need that the loss of machine oil can be reduced to greatest extent, meet engine
It asks, and zero exhaust of oil of energy, maximum environment protection.
Detailed description of the invention
Fig. 1 is that the engine of first embodiment according to the present invention removes the structural representation of the oil gas circulatory system with high efficiency
Figure.
Fig. 2 is that the engine of first embodiment according to the present invention removes the oil baffle plate structure of the oil gas circulatory system with high efficiency
Schematic diagram.
Fig. 3 is that the engine of first embodiment according to the present invention removes the flow chart of the oil gas circulatory system with high efficiency.
Specific embodiment
With reference to the accompanying drawing, specific embodiments of the present invention will be described in detail, it is to be understood that guarantor of the invention
Shield range is not limited by the specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " includes " or its change
Changing such as "comprising" or " including " etc. will be understood to comprise stated element or component, and not exclude other members
Part or other component parts.
As shown in figures 1 and 3, engine according to the preferred embodiment of the invention removes the tool of the oil gas circulatory system with high efficiency
Body structure include: cylinder head cover oil gas labyrinthine system 6, gs-oil separator 7, oil baffle 12, connecting tube 5, booster air inlet tube 1,
Connection rubber tube 2 and booster 4.Wherein, cylinder head cover oil gas labyrinthine system, gs-oil separator and oil baffle form three Oil-gas Separations
Process, last remaining oil gas reach booster air inlet tube 1 by connecting tube 5, then pass through connection rubber tube 2 with charge air flow
Reach booster 4.Gas is from booster gas outlet 3 after booster pressurization, by the connecting tube or Full Vehicle System of engine
Then cold pipe reaches the gas handling system of engine, into engine charge connecting tube 10, and then enter air inlet pipe 9, then pass through
The air flue of air inlet pipe enters the combustion chamber of engine cylinder cover 11, can reduce the loss of machine oil to greatest extent, meet engine
Crankcase ventilation demand, and zero exhaust of oil of energy, maximum environment protection.
Specifically, cylinder head cover oil gas labyrinthine system 6 has labyrinth cavity, and one end of labyrinth cavity is provided with outlet side,
Gs-oil separator interface is offered at the top of the end.Be equipped in cylinder head cover oil gas labyrinthine system 6 filter plate, labyrinth separation structure and every
Plate, wherein labyrinth separation structure includes: to protrude above the spaced apart baffle being equipped with, labyrinth in the two sides cavity wall of labyrinth cavity
Baffle end and its other side cavity wall in the side cavity wall of cavity are adapted, and the baffle in the cavity wall of two sides is mutually twisted arrangement simultaneously
It forms winding type and rectifies channel.The upstream of labyrinth cavity is arranged in filter plate, for carrying out coarse filtration to oil gas.Partition is arranged in labyrinth
The downstream of separated structure offers oil gas and crosses mouth and oil gas sliding slot, and the oil gas through labyrinth separation structured filter passes through partition
Oil gas crosses mouth and oil gas sliding slot enters outlet side, is further separated to oil gas.
Preferably, cylinder head cover oil gas labyrinthine system 6 is integrated in the inner upper of cylinder head cover.
Gs-oil separator 7 is cyclone centrifugal formula gs-oil separator, impacting type gs-oil separator, band filer element type gs-oil separator
Or active gs-oil separator, with exhaust gas inlet, oil return opening and waste gas outlet, wherein exhaust gas inlet and cylinder head cover oil gas
The gs-oil separator interface of labyrinthine system 6 connects, so that the oil gas of cylinder head cover oil gas labyrinthine system 6 enters gs-oil separator 7, pipe
Road direction upward or downward, but cannot can form U-shaped structure.Optimal case is that pipeline is arranged upwards.Pipeline can be arranged to compared with
It is long.The isolated liquid oil return of gs-oil separator 7 returns to oil sump by oil return opening, and oil return height need to be true according to real system pressure difference
It is fixed.Waste gas outlet is provided with escape pipe.
As shown in Fig. 2, oil baffle 12 is multi-disc, inclination is laid in the escape pipe of gs-oil separator 7 respectively, with cylinder head cover
Oil gas labyrinthine system and gs-oil separator form three Oil-gas Separation processes, flow out for separating cylinder head cover oil gas labyrinthine system 6
Higher proportion of oil gas.Oil gas has been basically separated by the process that third road separates and has been finished at this time, the content of remaining oil gas
It is considerably less, it can be clean by last one of system degasification.
Preferably, oil baffle 12 is filter net type oil baffle.
Preferably, oil baffle 12 is multi-disc disposed in parallel.
Preferably, oil baffle 12 is two panels disposed in parallel.
Preferably, the escape pipe axis of oil baffle 12 and gs-oil separator 7 is at 30 ° or 45 °.
The escape pipe of gs-oil separator 7 is connected by connecting tube 5, booster air inlet tube 1, connection rubber tube 2 and booster 4
It connects, the oil gas after oil baffle 12 separates reaches booster air inlet tube 1 by connecting tube 5, then passes through connection with charge air flow
Sebific duct 2 reaches booster.Gas passes through the connecting tube or Full Vehicle System of engine from booster gas outlet 3 after booster pressurization
Middle cooling pipe, then reach the gas handling system of engine, into engine charge connecting tube 10, and then enter air inlet pipe 9, then
The combustion chamber for entering engine cylinder cover 11 by the air flue of air inlet pipe, burns.
Crankcase oil gas and valve actuating mechanism oil gas pass through cylinder head cover oil gas labyrinthine system 6 and remove most of oil gas；Subsequent oil
Gas separates higher proportion of oil gas by gs-oil separator 7, in this system；Gear is equipped at the escape pipe of gs-oil separator 7
Oiled-plate method 12, oil gas passes through from oil baffle, forms oil film on the small sircle hole on two plates, generates pressure at this time, and oil gas is being kept off
Oiled-plate method section constantly generates oil film, breaks through oil film, and engine is discharged in gas, and machine oil is condensed into liquid and accumulates liquid flow,
And then flow back to inside cylinder head cover, that is, complete last one of Oil-gas Separation；I.e. last remaining oil gas is reached by connecting tube 5 to be increased
Then depressor air inlet tube 1 reaches booster by connection rubber tube 2 with charge air flow.Gas is from booster after booster pressurization
Then gas outlet 3 reaches the gas handling system of engine, into hair by the connecting tube of engine or the middle cooling pipe of Full Vehicle System
Motivation inlet pipe connection 10, and then enter air inlet pipe 9, the burning of engine cylinder cover 11 is then entered by the air flue of air inlet pipe
Room is burnt.Zero-emission is realized in the oil gas of this process, engine system, is all disposed, is passed through third road oil gas point
From the gas after system, that is, double-layer leaching net formula oil baffle, burn in combustion system.Burning waste gas later by exhaust pipe 8 into
The turbine end for entering booster, after muffler system or after-treatment system processing, into atmosphere.
To sum up, which removes the oil gas circulatory system using oil gas labyrinthine system, the oil gas at the top of cylinder head cover with high efficiency
Three separation process such as separator and filter net type oil baffle can reduce the loss of machine oil to greatest extent, meet the song of engine
Crankcase ventilation demand, and zero exhaust of oil of energy, maximum environment protection.
The aforementioned description to specific exemplary embodiment of the invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining specific principle of the invention and its actually answering
With so that those skilled in the art can be realized and utilize a variety of different exemplary implementation schemes of the invention and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (6)
1. a kind of engine removes the oil gas circulatory system with high efficiency characterized by comprising
Cylinder head cover oil gas labyrinthine system, one end with labyrinth cavity, the labyrinth cavity are provided with outlet side, the top at the end
Offer gs-oil separator interface；Filter plate, labyrinth separation structure and partition, the labyrinth are equipped in cylinder head cover oil gas labyrinthine system
Separated structure includes: to protrude above the spaced apart baffle being equipped with, a side chamber of labyrinth cavity in the two sides cavity wall of labyrinth cavity
Baffle end on wall and its other side cavity wall are adapted, and the baffle in the cavity wall of two sides is mutually twisted that arrange and form winding type whole
Circulation road；The upstream of labyrinth cavity is arranged in the filter plate, and the partition is arranged in the downstream of labyrinth separation structure, offers
Oil gas crosses mouth and oil gas sliding slot, and the oil gas through labyrinth separation structured filter crosses mouth by the oil gas of partition and oil gas sliding slot enters
Gas end；
Gs-oil separator, be cyclone centrifugal formula gs-oil separator, impacting type gs-oil separator, band filer element type gs-oil separator or
Active gs-oil separator, the gs-oil separator have exhaust gas inlet, oil return opening and waste gas outlet, the exhaust gas inlet and cylinder cap
The gs-oil separator interface of cover oil gas labyrinthine system connects, and the liquid oil return of gs-oil separator separation returns to oily bottom by oil return opening
Shell, the waste gas outlet are provided with escape pipe；The escape pipe passes through connecting tube, booster air inlet tube, connection rubber tube and pressurization
Device connection；And
Oil baffle is multi-disc, respectively inclination be laid in the escape pipe of gs-oil separator, with cylinder head cover oil gas labyrinthine system and
Gs-oil separator forms three Oil-gas Separation processes.
2. engine as described in claim 1 removes the oil gas circulatory system with high efficiency, which is characterized in that the cylinder head cover oil gas
Labyrinthine system is integrated in the inner upper of cylinder head cover.
3. engine as described in claim 1 removes the oil gas circulatory system with high efficiency, which is characterized in that the oil baffle is filter
Net formula oil baffle.
4. engine as claimed in claim 3 removes the oil gas circulatory system with high efficiency, which is characterized in that the oil baffle is flat
The multi-disc of row setting.
5. engine as claimed in claim 4 removes the oil gas circulatory system with high efficiency, which is characterized in that the oil baffle is flat
The two panels of row setting.
6. engine as claimed in claim 5 removes the oil gas circulatory system with high efficiency, which is characterized in that the oil baffle and oil
The escape pipe axis of gas separating device is at 30 ° or 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910282745.4A CN110043344A (en) | 2019-04-10 | 2019-04-10 | Engine removes the oil gas circulatory system with high efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910282745.4A CN110043344A (en) | 2019-04-10 | 2019-04-10 | Engine removes the oil gas circulatory system with high efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110043344A true CN110043344A (en) | 2019-07-23 |
Family
ID=67276609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910282745.4A Pending CN110043344A (en) | 2019-04-10 | 2019-04-10 | Engine removes the oil gas circulatory system with high efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110043344A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022149A (en) * | 2019-12-31 | 2020-04-17 | 潍柴动力扬州柴油机有限责任公司 | Crankcase oil gas treatment mechanism and engine provided with same |
| CN111636949A (en) * | 2020-06-17 | 2020-09-08 | 浙江吉利新能源商用车集团有限公司 | Closed crankcase ventilation system of heavy engine system and heavy engine system |
| CN112228187A (en) * | 2020-11-23 | 2021-01-15 | 广西玉柴机器股份有限公司 | Engine multistage oil-gas separation system and control method thereof |
| CN113464242A (en) * | 2021-08-20 | 2021-10-01 | 广西玉柴机器股份有限公司 | Multistage oil-gas separation system and engine thereof |
| CN113833549A (en) * | 2021-09-29 | 2021-12-24 | 广西玉柴机器股份有限公司 | Oil-gas separation structure with labyrinth flywheel shell and centrifugal separator connected in series |
| CN114542239A (en) * | 2022-03-09 | 2022-05-27 | 广西玉柴机器股份有限公司 | Engine with respirator low in engine oil content |
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| CN209586468U (en) * | 2019-04-10 | 2019-11-05 | 广西玉柴机器股份有限公司 | Engine removes the oil gas circulatory system with high efficiency |
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| CN201635799U (en) * | 2009-10-30 | 2010-11-17 | 重庆长安汽车股份有限公司 | Engine cylinder cover hood integrated with oil gas structure and crankcase ventilating system |
| CN203874562U (en) * | 2014-02-28 | 2014-10-15 | 孙艳霞 | Oil-gas separator on oil-gas transmission pipeline |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022149A (en) * | 2019-12-31 | 2020-04-17 | 潍柴动力扬州柴油机有限责任公司 | Crankcase oil gas treatment mechanism and engine provided with same |
| CN111636949A (en) * | 2020-06-17 | 2020-09-08 | 浙江吉利新能源商用车集团有限公司 | Closed crankcase ventilation system of heavy engine system and heavy engine system |
| CN111636949B (en) * | 2020-06-17 | 2021-08-13 | 浙江吉利新能源商用车集团有限公司 | Closed crankcase ventilation system of heavy engine system and heavy engine system |
| CN112228187A (en) * | 2020-11-23 | 2021-01-15 | 广西玉柴机器股份有限公司 | Engine multistage oil-gas separation system and control method thereof |
| CN113464242A (en) * | 2021-08-20 | 2021-10-01 | 广西玉柴机器股份有限公司 | Multistage oil-gas separation system and engine thereof |
| CN113833549A (en) * | 2021-09-29 | 2021-12-24 | 广西玉柴机器股份有限公司 | Oil-gas separation structure with labyrinth flywheel shell and centrifugal separator connected in series |
| CN114542239A (en) * | 2022-03-09 | 2022-05-27 | 广西玉柴机器股份有限公司 | Engine with respirator low in engine oil content |
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Application publication date: 20190723 |