CN108868964B - Multifunctional oil-gas separator - Google Patents
Multifunctional oil-gas separator Download PDFInfo
- Publication number
- CN108868964B CN108868964B CN201810988312.6A CN201810988312A CN108868964B CN 108868964 B CN108868964 B CN 108868964B CN 201810988312 A CN201810988312 A CN 201810988312A CN 108868964 B CN108868964 B CN 108868964B
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- CN
- China
- Prior art keywords
- pipe
- oil
- air inlet
- outer sleeve
- clapboard
- 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
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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
- F01M11/00—Component parts, details or accessories, not provided for in, or of interest apart from, groups F01M1/00 - F01M9/00
- F01M11/04—Filling or draining lubricant of or from machines or engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/02—Air cleaners
- F02M35/04—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices
- F02M35/042—Air cleaners specially arranged with respect to engine, to intake system or specially adapted to vehicle; Mounting thereon ; Combinations with other devices combined with other devices, e.g. heaters ; for use other than engine air intake cleaning, e.g. air intake filters arranged in the fuel vapour recovery system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10373—Sensors for intake systems
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Analytical Chemistry (AREA)
- Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
Abstract
The invention belongs to the technical field of diesel engines, and provides a multifunctional oil-gas separator which is provided with an air inlet pipe communicated with a supercharger; the front end of the air inlet pipe is communicated with the supercharger; the rear end of the air inlet pipe is provided with a conical pipe; the outer side of the air inlet pipe and the conical pipe is sleeved with an outer sleeve which is concentric with the air inlet pipe and the conical pipe; the front end opening of the outer sleeve is sealed by a front clapboard sleeved on the air inlet pipe and the conical pipe; the rear end opening of the outer sleeve is sealed by a rear clapboard sleeved on the conical tube; a middle clapboard is arranged between the front clapboard and the rear clapboard; the middle clapboard is in a ring shape with a gap; the multifunctional oil-gas separator is also provided with a crankcase breather pipe which is communicated with a cavity between the front partition plate and the middle partition plate; one side wall surface of the conical tube is also provided with a notch, and the notch on the middle clapboard and the notch on the conical tube are arranged in a staggered way to form a labyrinth type gas channel. The invention reduces the consumption of engine oil and improves the economy of the diesel engine.
Description
Technical Field
The invention belongs to the technical field of diesel engines, and particularly relates to a multifunctional oil-gas separator.
Background
The oil-gas separator is a device for separating high-temperature oil-gas mixture in the crankcase into oil and gas, and can effectively reduce the pressure in the crankcase, prevent the over-high pressure of the crankcase from influencing the operation of a diesel engine, simultaneously avoid the high-temperature oil-gas mixture in the crankcase from being directly discharged into the atmosphere to pollute the environment, and reduce the consumption rate of engine oil of the engine. The common oil-gas separator has single function, and has the problems of low efficiency, large volume, complex structure and the like, and causes great inconvenience to the spatial arrangement of the diesel engine.
In the prior art, the oil-gas separator has single function and only plays a role in oil-gas separation.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a multifunctional oil-gas separator which is simple and reliable, can be used as an air filter support, and has an air inlet vacuum degree measuring interface and labyrinth oil-gas separation.
The invention adopts the following technical scheme for achieving the purpose:
A multifunctional oil-gas separator is provided with an air inlet pipe communicated with a supercharger; the front end, namely the outlet end, of the air inlet pipe is communicated with the supercharger; the rear end, namely the inlet end, of the air inlet pipe is provided with a conical pipe; the tapered pipe is of a structure which is gradually expanded backwards from the inlet end of the air inlet pipe; the outer side of the air inlet pipe and the conical pipe is sleeved with an outer sleeve which is concentric with the air inlet pipe and the conical pipe; the outer sleeve is a cylindrical structure with openings at the front end and the rear end; the front end opening of the outer sleeve is sealed by a front clapboard sleeved on the air inlet pipe and the conical pipe; the rear end opening of the outer sleeve is sealed by a rear clapboard sleeved on the conical tube; a middle clapboard sleeved on the air inlet pipe and the conical pipe is arranged between the front clapboard and the rear clapboard; the middle clapboard is in a ring shape with a gap; the multifunctional oil-gas separator is also provided with a crankcase breather pipe welded on the outer sleeve, and the crankcase breather pipe is communicated with a cavity between the front partition plate and the middle partition plate; also have the breach on one side wall of toper pipe, and on the median septum breach and toper pipe on the breach crisscross setting of breach, form labyrinth gas passage, make and go forward in the cavity that baffle, median septum, back baffle formed the labyrinth through the high temperature oil gas that the crankcase breather pipe entered into in the overcoat pipe in the front and carry out oil-gas separation, gas after the separation gets into toper pipe, intake pipe, participates in the burning in getting into the booster through the air vent on the toper pipe, machine oil after the separation flows into to the oil pan through setting up the oil return pipe in oil-gas separator lower part.
The outer sleeve is sleeved with an air filter and is hooped by a pipe hoop.
The outer sleeve is internally provided with a vacuum gauge vent pipe which is arranged in parallel with the central axis of the outer sleeve, one end of the vacuum gauge vent pipe extends out of the outer sleeve, and the end head of the vacuum gauge vent pipe is provided with a vacuum gauge joint.
The vacuum gauge joint is connected with a U-shaped pipe used for measuring the intake vacuum degree.
By adopting the technical scheme, the multifunctional oil-gas separator provided by the invention can realize the functions of connection between the supercharger and the air filter, measurement of intake vacuum degree and the like while efficiently realizing oil-gas separation of the crankcase, and also optimizes the supercharger of a diesel engine; an air filter and an air inlet vacuum degree measuring position are arranged in space;
The use of each baffle and outer tube in the device has realized the labyrinth effect simply effectual, makes the high temperature oil gas mixture that generates in the crankcase in the long path snakelike passageway in-process of oil and gas separator, and oil-gas separation effect is more excellent. The device directly leads the gas after the oil-gas separation of the crankcase to the front end of the supercharger, thereby avoiding the pollution of the engine oil remained in the gas to the environment and realizing the recycling of the oil gas; the separated engine oil is led to the oil pan through the oil drain pipe on the oil-gas separator, so that the consumption of the engine oil is reduced, and the economy of the diesel engine is improved.
The device is through using the vaccum meter to connect and the gauge breather pipe, and the gauge breather pipe one end is direct to communicate with each other with empty back air of straining, behind an external U type pipe, can realize the measurement to the degree of vacuum that admits air, plays the effect of monitoring diesel engine air cleaner resistance. In addition, the device is characterized in that the outer sleeve and the connecting flange are used, the supercharger is connected with the oil-gas separator through the connecting flange, and the air filter is fastened to the outer sleeve through the pipe hoop, so that the functions of an air filter support and a supercharger air filter connecting device are achieved, the space and the weight of the diesel engine are greatly reduced, and the diesel engine can be arranged more reasonably and compactly.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is an installation view of a multifunctional oil-gas separator.
FIG. 3 is a functional diagram of a multifunctional oil-gas separator.
FIG. 4 is a schematic view of the structure of the vacuum gauge joint of the present invention.
FIG. 5 is a schematic view of the structure of the separator according to the present invention.
FIG. 6 is a schematic structural view of a front partition according to the present invention.
FIG. 7 is a schematic view of the structure of the rear bulkhead of the present invention.
FIG. 8 is a schematic view of the structure of the tapered tube of the present invention.
In the figure: 1. a connecting flange; 2. an air inlet pipe; 3. a vacuum gauge joint; 4. a front bulkhead; 5. an oil drain pipe; 6. a crankcase breather tube; 7. a vacuum gauge vent pipe; 8. a middle partition plate; 9. a rear bulkhead; 10. a tapered tube; 11. outer sleeve, 12, supercharger; 13. an air filter; 14. an oil return pipe 15 and a U-shaped pipe.
Detailed Description
The invention is described in connection with the drawings and the detailed description.
As shown in fig. 1, the multifunctional oil-gas separator has an air inlet pipe 2 communicated with a supercharger 12; the front end, namely the outlet end, of the air inlet pipe 2 is communicated with the supercharger 12 through a connecting flange 1; a conical pipe 10 is arranged at the rear end, namely the inlet end, of the air inlet pipe 2; the conical pipe 10 is of a structure which is gradually expanded from the inlet end of the air inlet pipe to the back; the outer side of the air inlet pipe 2 and the conical pipe 10 is sleeved with an outer sleeve 11 which is arranged concentrically with the air inlet pipe; the outer sleeve 11 is a cylindrical structure with openings at the front end and the rear end; the front end opening of the outer sleeve 11 is sealed by a front clapboard 4 sleeved on the air inlet pipe 2 and the conical pipe 10; the rear end opening of the outer sleeve is sealed by a rear clapboard 9 sleeved on the conical tube; the structures of the front baffle 4 and the rear baffle 9 are shown in fig. 6 and 7, and a middle baffle 8 sleeved on the air inlet pipe and the conical pipe is further arranged between the front baffle 4 and the rear baffle 9; referring to fig. 5, the middle partition plate 8 is in a ring shape with a gap; the multifunctional oil-gas separator is also provided with a crankcase breather pipe 6 welded on the outer sleeve, and the crankcase breather pipe 6 is communicated with a cavity between the front clapboard 4 and the middle clapboard 8; combine figure 8, also have the breach on the lateral wall face of toper pipe 10, and on median septum 8 breach and toper pipe 10 on the breach crisscross setting, form labyrinth gas passage, make and go forward in the cavity that baffle, median septum, back baffle formed the labyrinth through the high temperature oil gas that the crankcase breather pipe entered into in the overcoat pipe and carry out oil-gas separation in the front, the gas inlet pipe, participate in the burning in getting into the booster through the air vent on the toper pipe after the separation, machine oil after the separation flows into the oil pan through setting up oil return pipe 14 in oil-gas separator lower part.
The outer sleeve 11 is sleeved with an air filter 13 and is hooped by a pipe hoop.
The vacuum gauge is characterized in that a vacuum gauge vent pipe 7 which is parallel to the central axis of the outer sleeve 11 is arranged in the outer sleeve 11, one end of the vacuum gauge vent pipe 7 extends out of the outer sleeve 11, and a vacuum gauge joint 3 is arranged at the end of the vacuum gauge vent pipe.
The vacuum gauge joint is connected with a U-shaped pipe used for measuring the intake vacuum degree.
With reference to fig. 3, in use of the present invention, the crankcase breather tube 6 connects the crankcase and the gas-oil separator; after entering the inner cavity of the outer sleeve 11 through the crankcase vent pipe 6, the high-temperature mixed gas flows along a labyrinth condensation chamber formed by the front partition plate 4, the middle partition plate 8, the rear partition plate 9 and the outer sleeve 11, so that the separation of oil and gas is realized; the separated lubricating oil flows into the oil pan along with the oil drain pipe 5, the separated gas enters the gas inlet pipe 2 along the vent hole in the tapered pipe 10, and the gas inlet pipe 2 is connected with the supercharger through the connecting flange 1, so that the separated gas finally enters the supercharger for recycling.
The supporting function is achieved by the outer sleeve 11. The outer size of the outer sleeve 11 is matched with the inner diameter of the air filter, and the air filter can be tightly clamped on the outer sleeve 11 in a pipe clamp mode, so that the air filter bracket is used.
The connection is realized by the connecting flange 1 and the outer sleeve 11. Wherein the connecting flange 1 is welded on the air inlet pipe 2 and is connected with the supercharger through bolts; the air filter is tightly hooped on the outer sleeve 11, so that the connection of the supercharger and the air filter is realized.
The measurement function of the air inlet vacuum degree is realized by the vacuum gauge joint 3, the vacuum gauge vent pipe 7 and the external U-shaped pipe. One end of a vacuum gauge vent pipe 7 passes through the small holes reserved on the front partition plate 4, the middle partition plate 8 and the rear partition plate 9 to be communicated with the air inlet after air filtration, and the other end is connected to the inner end of the vacuum gauge joint 3. The outer end of the vacuum gauge joint 3 is communicated with an external U-shaped pipe. Air enters the U-shaped pipe through the vacuum gauge vent pipe 7 and the vacuum gauge joint 3 after air filtration, and the measurement of the air inlet vacuum degree is realized by observing the water height difference at the two sides of the U-shaped pipe.
When the air filter is used, the air filter is fastened on the outer sleeve 11 by the hoop and is connected with the supercharger by the connecting flange 1; after the connection is completed, the crankcase breather pipe 6 is communicated into the crankcase, and the engine oil pipe 5 is communicated into the oil pan to complete the installation. If the intake vacuum degree is measured, a U-shaped pipe 15 is required to be externally connected to the outer end of the vacuum gauge joint 3.
Claims (2)
1. A multifunctional oil-gas separator is characterized in that: the multifunctional oil-gas separator is provided with an air inlet pipe communicated with the supercharger; the front end, namely the outlet end, of the air inlet pipe is communicated with the supercharger; the rear end, namely the inlet end, of the air inlet pipe is provided with a conical pipe; the tapered pipe is of a structure which is gradually expanded backwards from the inlet end of the air inlet pipe; the outer side of the air inlet pipe and the conical pipe is sleeved with an outer sleeve which is concentric with the air inlet pipe and the conical pipe; the outer sleeve is a cylindrical structure with openings at the front end and the rear end; the front end opening of the outer sleeve is sealed by a front clapboard sleeved on the air inlet pipe and the conical pipe; the rear end opening of the outer sleeve is sealed by a rear clapboard sleeved on the conical tube; an air filter is sleeved on the outer sleeve and is hooped by a pipe hoop; a vacuum gauge vent pipe arranged parallel to the central axis of the outer sleeve is arranged in the outer sleeve, one end of the vacuum gauge vent pipe extends out of the outer sleeve, and a vacuum gauge joint is arranged at the end head of the vacuum gauge vent pipe; a middle clapboard sleeved on the air inlet pipe and the conical pipe is arranged between the front clapboard and the rear clapboard; the middle clapboard is in a ring shape with a gap; the multifunctional oil-gas separator is also provided with a crankcase breather pipe welded on the outer sleeve, and the crankcase breather pipe is communicated with a cavity between the front partition plate and the middle partition plate; also have the breach on one side wall of toper pipe, and on the median septum breach and toper pipe on the breach crisscross setting of breach, form labyrinth gas passage, make and go forward in the cavity that baffle, median septum, back baffle formed in the front to high temperature oil gas that enters into in the overcoat pipe through the crankcase breather pipe and carry out oil-gas separation, gas after the separation gets into toper pipe, intake pipe, reentrant booster and participates in the burning, machine oil after the separation flows into to the oil pan through setting up the oil return pipe in oil-gas separator lower part.
2. a multifunctional oil and gas separator as set forth in claim 1, wherein: the vacuum gauge joint is connected with a U-shaped pipe used for measuring the intake vacuum degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810988312.6A CN108868964B (en) | 2018-08-28 | 2018-08-28 | Multifunctional oil-gas separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810988312.6A CN108868964B (en) | 2018-08-28 | 2018-08-28 | Multifunctional oil-gas separator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108868964A CN108868964A (en) | 2018-11-23 |
| CN108868964B true CN108868964B (en) | 2019-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810988312.6A Active CN108868964B (en) | 2018-08-28 | 2018-08-28 | Multifunctional oil-gas separator |
Country Status (1)
| Country | Link |
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| CN (1) | CN108868964B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081641B (en) * | 2020-08-21 | 2021-11-30 | 东风汽车集团有限公司 | Oil-gas separation and detection device of self-absorption gasoline engine |
| CN114251153B (en) * | 2020-09-24 | 2023-03-10 | 北京汽车动力总成有限公司 | Bent pipeline structure and vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204419301U (en) * | 2015-01-29 | 2015-06-24 | 长城汽车股份有限公司 | Air inlet pipeline and engine charge pipe assembly |
| CN107676204A (en) * | 2016-08-02 | 2018-02-09 | 爱三工业株式会社 | Inlet manifold |
| CN208950671U (en) * | 2018-08-28 | 2019-06-07 | 河南柴油机重工有限责任公司 | A kind of Multifunctional oil gas separating device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003049726A (en) * | 2001-08-06 | 2003-02-21 | Fuji Heavy Ind Ltd | Intake system for engine |
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2018
- 2018-08-28 CN CN201810988312.6A patent/CN108868964B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204419301U (en) * | 2015-01-29 | 2015-06-24 | 长城汽车股份有限公司 | Air inlet pipeline and engine charge pipe assembly |
| CN107676204A (en) * | 2016-08-02 | 2018-02-09 | 爱三工业株式会社 | Inlet manifold |
| CN208950671U (en) * | 2018-08-28 | 2019-06-07 | 河南柴油机重工有限责任公司 | A kind of Multifunctional oil gas separating device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108868964A (en) | 2018-11-23 |
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