CN204738857U - A oil -gas separation device for float volume supercharged engine - Google Patents
A oil -gas separation device for float volume supercharged engine Download PDFInfo
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- CN204738857U CN204738857U CN201520430209.1U CN201520430209U CN204738857U CN 204738857 U CN204738857 U CN 204738857U CN 201520430209 U CN201520430209 U CN 201520430209U CN 204738857 U CN204738857 U CN 204738857U
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Abstract
The utility model discloses an oil -gas separation device for float volume supercharged engine, flash trapping stage structure in locating the engine, the tertiary isolating construction of locating the engine outside and the grade separation structure of passing the quick -witted case of engine, a plurality of pieces during the flash trapping stage structure includes the casing, locates the air inlet on the casing and locates the casing are used for the circuitous first baffle that flows of steering current, a plurality of pieces during tertiary isolating construction includes the box, locates the gas outlet on the box and locates the box are used for the circuitous second baffle that flows of steering current, the grade separation structure is connected with air inlet and gas outlet respectively. The utility model has the characteristics of the volume of being applicable to float supercharged engine, oil -gas separation is efficient, provides reliable basis with the life who improves the engine for the steady operation of engine.
Description
Technical field
The utility model relates to technical field of automobile engine, especially relates to the gas and oil separating plant for small displacement supercharged engine that a kind of fuel-air mixture separation effect is high.
Background technique
Piston due to motor is motion, and coordinating between piston ring with cylinder barrel certainly exists gap, and therefore in engine working process, the waste gas after firing chamber has partial combustion scurries into crankcase, is called " crankcase gas blowby ".The waste gas of accumulation can cause engine interior pressure excessive, destroys sealing surface and causes the problems such as leakage of oil, need crankcase gas blowby to be discharged by certain mode for this reason.
But temperature is higher during engine operation, the machine oil of atomization can mix with crankcase gas blowby and be formed " fuel-air mixture ", if directly discharge crankcase gas blowby, machine oil can be discharged in the lump, cause engine motor oil to consume excessively (being commonly called as " burn oil "), have a strong impact on engine reliability.
Vehicular engine is in the market general all with gas and oil separating plant, and principle is different, but in order to ensure separating effect, general volume is larger.And supercharged engine crankcase gas leakage is greater than common engine, therefore need higher separation effect, often also mean the volume that gas and oil separating plant needs are larger.And small displacement pressure-increasing machine volume compact, be difficult to arrange lower large gas and oil separating plant.
Chinese patent mandate publication number: CN101368499, authorize publication date on February 18th, 2009, disclose a kind of oil-gas separating device for engine, erect and columnar deaerator shell is set and establishes fuel-air mixture suction port thereon, gas outlet and machine oil outlet, wherein gas outlet is established at an upper portion thereof, described machine oil outlet is located at its underpart, described gas outlet and machine oil outlet are located at the center of the top and bottom of deaerator shell respectively, establish in the Oil-gas Separation coaxial with it in the inside of described deaerator shell and manage, by the hollow of pipe in Oil-gas Separation Inner Constitution gas center-aisle and be communicated with gas outlet, by the space in Oil-gas Separation between pipe and deaerator shell, form the Oil-gas Separation annular flow path of ring.The deficiency of this invention is, function singleness cannot be used for the Oil-gas Separation of small displacement supercharged engine.
Model utility content
The purpose of this utility model is the Oil-gas Separation deficiency that cannot be used for small displacement supercharged engine in order to overcome oil-gas separating device for engine of the prior art, provides the gas and oil separating plant for small displacement supercharged engine that a kind of fuel-air mixture separation effect is high.
To achieve these goals, the utility model is by the following technical solutions:
For a gas and oil separating plant for small displacement supercharged engine, comprise the second-order separation structure be located at in-engine one-level separation structure, be located at three grades of separation structures of external engine and the cabinet through motor; Described one-level separation structure comprises housing, be located at the suction port on housing and be located in housing some pieces for guiding the first baffle plate of air-flow circuitous flow; Described three grades of separation structures comprise casing, be located at the air outlet on casing and be located in casing some pieces for guiding the second baffle of air-flow circuitous flow; The second-order separation structure is connected with air outlet with suction port respectively.
Small displacement supercharged engine crankcase gas leakage is comparatively large, needs higher oil-gas separation efficiency, often also means the volume that gas and oil separating plant needs are larger; But small displacement supercharged engine general structure is compact, can be used for arranging that the space of gas and oil separating plant is less; Therefore, there is contradiction between arrangement space and gas and oil separating plant volume.
Gas and oil separating plant of the present utility model is made up of one-level separation structure, the second-order separation structure and three grades of separation structures.
First fuel-air mixture enters one-level separation structure, there is the passage be made up of the first baffle plate one-level separation structure inside, can constantly impinge upon in the first baffle plate and inner walls in the process that fuel-air mixture flows wherein, because mist of oil quality is large, inertia is just large, gas fast steering together cannot be followed, therefore, mist of oil can be separated, along under first gear plate current after shock first baffle plate and inner walls from mixed gas, and gas can continue flowing, thus realize oil gas initial gross separation;
Then fuel-air mixture can enter the second-order separation structure, the second-order separation structure is the passage connecting one-level separation structure and three grades of separation structures, because gas is heavier compared with light oil mist, pass through Action of Gravity Field, mist of oil meeting sedimentation, and gas continues upwards to flow, thus realize the further separation of fuel-air mixture;
Last fuel-air mixture enters three grades of separation structures, and three grades of separation structures are similar to one-level separation structure, is also utilize mist of oil different from gaseous mass, the characteristic that inertia is different, is realized the final separation of oil gas by mixed gas shock second baffle and cabinet wall.
After three grades are separated, fuel-air mixture is efficiently separated into machine oil and crankcase blow-by, be wherein back to motor after machine oil convergence and continue to recycle, and crankcase gas blowby will be discharged, thus ensure engine interior pressure balance.
One-level separation structure by hierarchical arrangement, is arranged in engine interior, can effectively reduces integral arrangement space requirement by the utility model, while guarantee oil-gas separation efficiency, realizes the good layout in the compact space of small displacement engine.
Therefore, the utility model has and is applicable to small displacement supercharged engine, and oil-gas separation efficiency is high, is the stable operation of motor and improves the feature providing reliable basis working life of motor.
As preferably, described housing is U-shaped, and housing comprises base plate, be located at annular coaming plate on bottom edge and upper plate body; Base plate and annular coaming plate are integral type structure, and base plate is connected with the upper coverboard of motor by screw with upper plate body;
Described suction port is positioned at annular coaming plate lower right side, and the second-order separation structure is connected with the through hole being located at upper plate body left part.
Fuel-air mixture enters one-level separation structure by suction port, can constantly impinge upon in the first baffle plate and inner walls in the process that fuel-air mixture flows wherein, mist of oil can be separated after shock first baffle plate and inner walls from mixed gas, flow down along the first baffle plate and inner walls, and be back to motor from suction port; And gas can continue in flowing inflow second separation structure.
As preferably, described casing is rectangular, and second baffle is two pieces; One piece of second baffle is L-shaped and be located on the rear sidewall of casing, and another block second baffle is inverted L-shaped and is located on the front panel of casing; The second-order separation structure is connected with the through hole of the lower body right part being located at casing, and described air outlet is positioned at the upper plate body left part of casing.
Fuel-air mixture enters three grades of separation structures along the second-order separation structure, can constantly impinge upon on second baffle and cabinet wall in the process that fuel-air mixture flows wherein, mist of oil can be separated after shock second baffle and cabinet wall from mixed gas, flow down along second baffle and cabinet wall, and be back in one-level separation structure along the second-order separation structure; And crankcase gas blowby can be discharged along air outlet.
As preferably, described first baffle plate is 2 pieces, and one piece of first baffle plate to be located on annular coaming plate front panel and to be tilted to the right, and another block first baffle plate to be located on annular coaming plate rear sidewall and to be tilted to the left.
As preferably, described the second-order separation structure is vertical duct.
The second-order separation structure is the vibrational power flow of vertical duct, after making fuel-air mixture can enter the second-order separation structure, and meeting perpendicular flow, under gravity mist of oil meeting sedimentation, and gas continues upwards to flow, thus realize the further separation of fuel-air mixture.
As preferably, air outlet is provided with air pipe.
Therefore, the utility model has following beneficial effect: be applicable to small displacement supercharged engine, oil-gas separation efficiency is high, for the stable operation of motor provides reliable basis with the working life of improving motor.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model;
A kind of structural representation of Fig. 2 housing of the present utility model;
Fig. 3 is a kind of structural representation of casing of the present utility model.
In figure: one-level separation structure 1, three grades of separation structures 2, the second-order separation structure 3, housing 4, suction port 5, first baffle plate 6, casing 7, second baffle 8, air pipe 9, motor 10, base plate 41, annular coaming plate 42, screw hole 411.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Embodiment is as shown in Figure 1 a kind of gas and oil separating plant for small displacement supercharged engine, comprises the one-level separation structure 1 be located in motor 10, is located at the second-order separation structure 3 of three grades of separation structures 2 of external engine and the cabinet through motor;
As shown in Figure 2, one-level separation structure comprise housing 4, be located at the suction port 5 on housing and be located in housing 2 pieces for guiding the first baffle plate 6 of air-flow circuitous flow; Housing is U-shaped, and housing comprises base plate 41, be located at annular coaming plate 42 on bottom edge and upper plate body; Base plate and annular coaming plate are integral type structure, and base plate is connected with the upper coverboard of motor by screw with upper plate body; The base plate arrow be provided with in screw hole 411, Fig. 2 indicates the flow direction of air-fuel mixture gas.
Suction port is positioned at annular coaming plate lower right side, and the second-order separation structure is connected with the through hole being located at upper plate body left part.First baffle plate is 2 pieces, and one piece of first baffle plate to be located on annular coaming plate front panel and to be tilted to the right, and another block first baffle plate to be located on annular coaming plate rear sidewall and to be tilted to the left.
As shown in Figure 3, three grades of separation structures comprise casing 7, be located at the air outlet on casing and be located in casing some pieces for guiding the second baffle 8 of air-flow circuitous flow; The second-order separation structure is connected with air outlet with suction port respectively.Arrow in Fig. 3 indicates the flow direction of air-fuel mixture gas.
Casing is rectangular, and second baffle is two pieces; One piece of second baffle is L-shaped and be located on the rear sidewall of casing, and another block second baffle is inverted L-shaped and is located on the front panel of casing; The second-order separation structure is connected with the through hole of the lower body right part being located at casing, and described air outlet is positioned at the upper plate body left part of casing.The second-order separation structure is vertical duct.Air outlet is provided with air pipe 9.
Working procedure of the present utility model is as follows:
Fuel-air mixture in motor enters one-level separation structure from suction port, fuel-air mixture flows along in the passage be made up of 2 piece of first baffle plate, in the process of flowing, fuel-air mixture constantly impinges upon in the first baffle plate and inner walls, mist of oil is separated from mixed gas, mist of oil collects on the first baffle plate and inner walls, oil droplet after collecting flows down along the first baffle plate and inner walls, and gas continues flowing, thus realizes oil gas initial gross separation;
Fuel-air mixture can enter the second-order separation structure, fuel-air mixture perpendicular flow, mist of oil sedimentation under gravity, and gas continues upwards to flow, thus realizes the further separation of fuel-air mixture;
Fuel-air mixture enters three grades of separation structures along the second-order separation structure, fuel-air mixture is separated in the dynamic process of structural flow at three grades and can constantly impinges upon on second baffle and cabinet wall, mist of oil is separated after shock second baffle and cabinet wall from mixed gas, mist of oil collects on second baffle and cabinet wall, oil droplet after collecting flows down along second baffle and cabinet wall, and is back in one-level separation structure along the second-order separation structure; And crankcase gas blowby can be discharged along air outlet.
After three grades are separated, fuel-air mixture is efficiently separated into machine oil and crankcase blow-by, be wherein back to motor after machine oil convergence and continue to recycle, and crankcase gas blowby is discharged, thus ensure engine interior pressure balance.
Should be understood that the present embodiment is only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.
Claims (6)
1. the gas and oil separating plant for small displacement supercharged engine, it is characterized in that, comprise the one-level separation structure (1) be located in motor (10), be located at three grades of separation structures (2) of external engine and the second-order separation structure (3) of cabinet through motor; Described one-level separation structure comprises housing (4), be located at the suction port (5) on housing and be located in housing some pieces for guiding first baffle plate (6) of air-flow circuitous flow; Described three grades of separation structures comprise casing (7), be located at the air outlet on casing and be located in casing some pieces for guiding the second baffle (8) of air-flow circuitous flow; The second-order separation structure is connected with air outlet with suction port respectively.
2. the gas and oil separating plant for small displacement supercharged engine according to claim 1, is characterized in that, described housing is U-shaped, and housing comprises base plate (41), be located at annular coaming plate (42) on bottom edge and upper plate body; Base plate and annular coaming plate are integral type structure, and base plate is connected with the upper coverboard of motor by screw with upper plate body;
Described suction port is positioned at annular coaming plate lower right side, and the second-order separation structure is connected with the through hole being located at upper plate body left part.
3. the gas and oil separating plant for small displacement supercharged engine according to claim 1, is characterized in that, described casing is rectangular, and second baffle is two pieces; One piece of second baffle is L-shaped and be located on the rear sidewall of casing, and another block second baffle is inverted L-shaped and is located on the front panel of casing; The second-order separation structure is connected with the through hole of the lower body right part being located at casing, and described air outlet is positioned at the upper plate body left part of casing.
4. the gas and oil separating plant for small displacement supercharged engine according to claim 2, it is characterized in that, described first baffle plate is 2 pieces, and one piece of first baffle plate to be located on annular coaming plate front panel and to be tilted to the right, and another block first baffle plate to be located on annular coaming plate rear sidewall and to be tilted to the left.
5. the gas and oil separating plant for small displacement supercharged engine according to claim 1, is characterized in that, described the second-order separation structure is vertical duct.
6. the gas and oil separating plant for small displacement supercharged engine according to claim 1 or 2 or 3 or 4 or 5, it is characterized in that, air outlet is provided with air pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430209.1U CN204738857U (en) | 2015-06-19 | 2015-06-19 | A oil -gas separation device for float volume supercharged engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430209.1U CN204738857U (en) | 2015-06-19 | 2015-06-19 | A oil -gas separation device for float volume supercharged engine |
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| Publication Number | Publication Date |
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| CN204738857U true CN204738857U (en) | 2015-11-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520430209.1U Active CN204738857U (en) | 2015-06-19 | 2015-06-19 | A oil -gas separation device for float volume supercharged engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043344A (en) * | 2019-04-10 | 2019-07-23 | 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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2015
- 2015-06-19 CN CN201520430209.1U patent/CN204738857U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110043344A (en) * | 2019-04-10 | 2019-07-23 | 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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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315336 818 Binhai two road, Hangzhou Bay New District, Ningbo, Zhejiang Co-patentee after: Zhejiang Geely Power Assembly Co., Ltd. Patentee after: Ningbo lucky Luo You engine component Co., Ltd Co-patentee after: Ji'nan Geely Auto Parts Co., Ltd. Co-patentee after: Hunan Luoyou Engine Parts Co., Ltd. Co-patentee after: Ningbo Shangzhongxia Automatic Transmission Co., Ltd. Co-patentee after: Zhejiang Geely Holding Group Co., Ltd. Address before: 315336 818 Binhai two road, Hangzhou Bay New District, Ningbo, Zhejiang Co-patentee before: Zhejiang Geely Luoyou Engine Co., Ltd. Patentee before: Ningbo lucky Luo You engine component Co., Ltd Co-patentee before: Ji'nan Geely Auto Parts Co., Ltd. Co-patentee before: Hunan Luoyou Engine Parts Co., Ltd. Co-patentee before: Ningbo Shangzhongxia Automatic Transmission Co., Ltd. Co-patentee before: Zhejiang Geely Holding Group Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200615 Address after: 315336 No. two, 818 Binhai New Area, Hangzhou Bay, Zhejiang, Ningbo Co-patentee after: ZHEJIANG GEELY POWER ASSEMBLY Co.,Ltd. Patentee after: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Co-patentee after: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Co-patentee after: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Co-patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: 315336 No. two, 818 Binhai New Area, Hangzhou Bay, Zhejiang, Ningbo Co-patentee before: ZHEJIANG GEELY POWER ASSEMBLY Co.,Ltd. Patentee before: NINGBO GEELY ROYAL ENGINE COMPONENTS Co.,Ltd. Co-patentee before: JI'NAN GEELY AUTO PARTS Co.,Ltd. Co-patentee before: HUNAN LUOYOU ENGINE PARTS Co.,Ltd. Co-patentee before: NINGBO SHANGZHONGXIA AUTOMATIC TRANSMISSION Co.,Ltd. Co-patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. |