CN111734513A - Oil-gas separation device for fuel engine - Google Patents
Oil-gas separation device for fuel engine Download PDFInfo
- Publication number
- CN111734513A CN111734513A CN202010663594.XA CN202010663594A CN111734513A CN 111734513 A CN111734513 A CN 111734513A CN 202010663594 A CN202010663594 A CN 202010663594A CN 111734513 A CN111734513 A CN 111734513A
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- CN
- China
- Prior art keywords
- oil
- separation channel
- separation device
- fuel engine
- gas separation
- 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.)
- Pending
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Classifications
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- 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
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separating Particles In Gases By Inertia (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention discloses an oil-gas separation device for a fuel engine, and relates to oil-gas separation equipment for an internal combustion engine. An oil-gas separation device for a fuel engine is provided with a cylindrical separation channel, wherein the upper end of the side surface of the separation channel is provided with an air inlet with a circular cross section, and the lower end of the side surface is provided with an air outlet with a circular cross section; the top end of the separation channel is sealed, an output shaft of the power source penetrates through the top end and extends into the separation channel, and the bottom end of the separation channel is provided with an engine oil recovery port which is communicated with an engine oil tank on the vehicle; the output shaft of the power source is fixedly provided with a fan blade which is positioned in the separation channel. The power source is a motor or is in power connection with an output shaft of an automobile engine. The transition section of the engine oil recovery port and the separation channel is conical. The roughness of the inner wall of the separation channel is 3.2-6.3. The fan blade is positioned between the air inlet and the air outlet. The fan blade is a multilayer blade and can achieve the purpose of compressing air step by step and accelerating.
Description
Technical Field
The invention discloses an oil-gas separation device for a fuel engine, and relates to oil-gas separation equipment for an internal combustion engine.
Background
In modern society, automobiles are widely used as an important vehicle, when an engine of an automobile does work in a combustion mode, waste gas is inevitably discharged and contains engine oil vapor and water vapor which escapes from a combustion chamber, if the waste gas is not treated, the engine oil vapor and the water vapor are directly discharged, so that the phenomenon of engine oil burning is caused, carbon deposition inside the engine is caused, and air is polluted.
Disclosure of Invention
In view of the above, the invention provides an oil-gas separation device for a fuel engine, which can effectively separate engine oil vapor and water vapor in gas generated after combustion of the engine and has good use and popularization values.
An oil-gas separation device for a fuel engine is provided with a cylindrical separation channel, wherein the upper end of the side surface of the separation channel is provided with an air inlet with a circular cross section, and the lower end of the side surface is provided with an air outlet with a circular cross section; the top end of the separation channel is sealed, an output shaft of the power source penetrates through the top end and extends into the separation channel, and the bottom end of the separation channel is provided with an engine oil recovery port which is communicated with an engine oil tank on the vehicle; the output shaft of the power source is fixedly provided with a fan blade which is positioned in the separation channel.
The power source is a motor or is in power connection with an output shaft of an automobile engine.
The transition section of the engine oil recovery port and the separation channel is conical, so that the recovered engine oil can conveniently flow into the engine oil recovery port.
The roughness of the inner wall of the separation channel is 3.2-6.3, which is convenient for smooth flow of air flow and is not easy to generate turbulent flow, and the engine oil can be effectively attached to the inner wall of the separation channel without being too smooth, so that the engine oil is attached to the inner wall of the separation channel from small particles to form large oil drops, and then flows into the engine oil recovery port under the action of gravity.
The fan blade is positioned between the air inlet and the air outlet, so that the air flow of the air inlet can be accelerated more stably, turbulence can not be generated, and the requirement on the power source power is reduced.
The fan blade be the multilayer blade, can play the purpose of compressing air step by step and accelerating, compare in single-stage blade can reach better air current pressure boost effect under the limited condition of fan blade diameter.
The number of the blades of the next stage is equal to or larger than that of the blades of the previous stage.
The multilayer blade has 2-5 layers, preferably 2-3 layers.
And the air outlet is also provided with an air pressure regulating valve for regulating and controlling the pressure of the discharged air.
When the engine oil recovery device is used, gas generated by the engine doing work enters from the gas inlet, the power source drives the blades to rotate at a high speed, tiny granular engine oil drops in the gas are thrown to the inner wall of the separation channel under the action of centrifugal force, the engine oil drops are adhered to the inner wall of the separation channel and stored under the action of oil tension because the inner wall of the separation channel has proper roughness, and when larger engine oil drops are stored, the engine oil drops flow downwards along the inner wall of the separation channel to the engine oil recovery port under the action of gravity and are recovered into the engine oil tank through the engine oil recovery port, so that the purpose of recovering engine oil is achieved, and meanwhile, the rest gas in the gas is discharged from the gas outlet.
The invention has the advantages of ingenious conception, simple structure, convenient use, good engine oil recovery effect and good use and popularization values.
Drawings
The invention will be further explained with reference to the drawings, in which:
fig. 1 is a schematic structural diagram of an oil-gas separation device for a fuel engine according to the present invention.
Detailed Description
Referring to fig. 1, an oil-gas separation device for a fuel engine has a cylindrical separation passage 1, an air inlet 2 having a circular cross section is provided at an upper end of a side surface of the separation passage 1, and an air outlet 3 having a circular cross section is provided at a lower end of the side surface; the top end of the separation channel 1 is sealed, an output shaft of the power source 4 penetrates through the top end and extends into the separation channel 1, an engine oil recovery port 5 is formed in the bottom end of the separation channel 1, and the engine oil recovery port 5 is communicated with an engine oil tank 8 on a vehicle; the output shaft of the power source 4 is fixedly provided with a fan blade 6, and the fan blade 6 is positioned in the separation channel 1.
The power source 4 is a motor or is in power connection with an output shaft of an automobile engine.
The transition section 1-1 of the engine oil recovery port 5 and the separation channel 1 is conical, so that the recovered engine oil can conveniently flow into the engine oil recovery port 5.
The roughness of the inner wall of the separation channel 1 is 3.2-6.3, which not only facilitates smooth flow of air flow and is not easy to generate turbulent flow, but also can effectively attach the engine oil to the inner wall of the separation channel 1 without being too smooth, so that the engine oil is attached to the inner wall of the separation channel 1 from small particles to form large oil drops, and then flows into the engine oil recovery port 5 under the action of gravity.
The fan blade 6 is positioned between the air inlet 2 and the air outlet 3, so that the air flow of the air inlet can be accelerated more stably, turbulence can not be generated, and the requirement on the power of the power source 4 is reduced.
The fan blade 6 be the multilayer blade, can play the purpose of compressing air step by step and accelerating, compare in single-stage blade can reach better air current pressure boost effect under the limited condition of fan blade diameter.
The number of the blades of the next stage is equal to or larger than that of the blades of the previous stage.
The multilayer blade has 2-5 layers, preferably 2-3 layers.
An air pressure regulating valve 7 is further installed on the exhaust port 3 to regulate the pressure of the exhaust gas.
When the engine oil recovery device is used, gas generated by the work of an engine enters from the gas inlet 2, the power source 4 drives the blades to rotate at a high speed, oil drops in tiny particles in the gas are thrown to the inner wall of the separation channel 1 under the action of centrifugal force, the oil drops are adhered to the inner wall of the separation channel 1 and accumulated under the action of oil tension because the inner wall of the separation channel 1 has proper roughness, and when the oil drops are accumulated into larger oil drops, the oil drops flow downwards along the inner wall of the separation channel 1 to the oil recovery port 5 under the action of gravity and are recovered into the oil tank 8 through the oil recovery port 5, so that the purpose of recovering the engine oil is achieved, and meanwhile, the rest gas in the gas is discharged from the gas outlet 3.
Claims (10)
1. The utility model provides an oil-gas separation device for fuel engine which characterized in that: the separation device is provided with a cylindrical separation channel, the upper end of the side surface of the separation channel is provided with an air inlet with a circular cross section, and the lower end of the side surface is provided with an air outlet with a circular cross section; the top end of the separation channel is sealed, an output shaft of the power source penetrates through the top end and extends into the separation channel, and the bottom end of the separation channel is provided with an engine oil recovery port which is communicated with an engine oil tank on the vehicle; the output shaft of the power source is fixedly provided with a fan blade which is positioned in the separation channel.
2. The oil-gas separation device for the fuel engine according to claim 1, characterized in that: the power source is a motor or is in power connection with an output shaft of an automobile engine.
3. The oil-gas separation device for the fuel engine according to claim 1, characterized in that: the transition section of the engine oil recovery port and the separation channel is conical.
4. The oil-gas separation device for the fuel engine according to claim 1, characterized in that: the roughness of the inner wall of the separation channel is 3.2-6.3.
5. The oil-gas separation device for the fuel engine according to claim 1, characterized in that: the fan blade is positioned between the air inlet and the air outlet.
6. The oil-gas separation device for the fuel engine according to claim 1, characterized in that: the fan blades are multilayer blades.
7. The oil-gas separation device for the fuel engine according to claim 6, wherein: the number of the blades of the next stage is equal to or larger than that of the blades of the previous stage.
8. The oil-gas separation device for the fuel engine according to claim 6, wherein: the multilayer blade is 2-5 layers.
9. The oil-gas separation device for the fuel engine according to claim 1, characterized in that: and an air pressure regulating valve is also arranged on the exhaust port.
10. The working method of the oil-gas separation device for the fuel engine is characterized in that: the gaseous air inlet of following of engine doing work production gets into, the power supply drives the high-speed rotation of blade, the oil droplet of small graininess machine oil is got rid of to the separation channel inner wall under the effect of centrifugal force, and because the separation channel inner wall has suitable roughness, the oil droplet adheres at the separation channel inner wall and saves under the effect of fluid tension, when piling up into great oil droplet, the oil droplet of machine oil flows down to the machine oil recovery mouth along the separation channel inner wall under the effect of gravity, and then retrieve to the machine oil incasement through the machine oil recovery mouth, reach the machine oil and retrieve the purpose, discharge in the gaseous all the other gases of while from the gas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010663594.XA CN111734513A (en) | 2020-07-10 | 2020-07-10 | Oil-gas separation device for fuel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010663594.XA CN111734513A (en) | 2020-07-10 | 2020-07-10 | Oil-gas separation device for fuel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111734513A true CN111734513A (en) | 2020-10-02 |
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ID=72654199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010663594.XA Pending CN111734513A (en) | 2020-07-10 | 2020-07-10 | Oil-gas separation device for fuel engine |
Country Status (1)
| Country | Link |
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| CN (1) | CN111734513A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145254A (en) * | 2020-10-29 | 2020-12-29 | 江苏宝时达动力科技有限公司 | Oil-gas separation device for internal combustion engine |
| EP4198271A1 (en) * | 2021-12-17 | 2023-06-21 | Alfdex AB | Crankcase gas separator |
-
2020
- 2020-07-10 CN CN202010663594.XA patent/CN111734513A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145254A (en) * | 2020-10-29 | 2020-12-29 | 江苏宝时达动力科技有限公司 | Oil-gas separation device for internal combustion engine |
| CN112145254B (en) * | 2020-10-29 | 2024-04-26 | 江苏宝时达动力科技有限公司 | Oil-gas separation device for internal combustion engine |
| EP4198271A1 (en) * | 2021-12-17 | 2023-06-21 | Alfdex AB | Crankcase gas separator |
| WO2023110364A1 (en) * | 2021-12-17 | 2023-06-22 | Alfdex Ab | Crankcase gas separator |
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