CN112392632A - Oil bath type air filter - Google Patents
Oil bath type air filter Download PDFInfo
- Publication number
- CN112392632A CN112392632A CN202011249427.7A CN202011249427A CN112392632A CN 112392632 A CN112392632 A CN 112392632A CN 202011249427 A CN202011249427 A CN 202011249427A CN 112392632 A CN112392632 A CN 112392632A
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- China
- Prior art keywords
- oil
- filter screen
- glass fiber
- air
- oil bath
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- 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
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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
- F02M35/026—Air cleaners acting by guiding the air over or through an oil or other liquid bath, e.g. combined with filters
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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
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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
- F02M35/048—Arranging or mounting on or with respect to engines or vehicle bodies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Materials (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to the technical field of automobiles, and particularly discloses an oil bath type air filter. The oil bath type air filter comprises a shell, an air inlet channel and an air outlet channel, wherein an oil groove is formed in the bottom of the shell, and engine oil is contained in the oil groove; the air inlet channel is arranged in the shell, one end of the air inlet channel is communicated with the engine oil tank, and the other end of the air inlet channel is provided with an air inlet; the air outlet channel is arranged in the shell, one end of the air outlet channel is communicated with the engine oil tank, the other end of the air outlet channel is provided with an air outlet, and a first-stage oil silk filter screen, a second-stage oil silk filter screen and a glass fiber cotton filter screen are sequentially arranged in the air outlet channel from one end to the other end. The oil bath type air filter provided by the invention improves the filtering effect of the air filter, and the glass fiber cotton filter screen can intercept engine oil overflowing from the oil tank of the oil bath into the glass fiber cotton filter screen, so that the engine oil is prevented from polluting downstream paper filter elements, the purpose of preventing the oil from losing of the oil bath type air filter is achieved, and the working reliability of the oil bath type air filter is improved.
Description
Technical Field
The invention relates to the technical field of automobiles, in particular to an oil bath type air filter.
Background
The oil bath type air filter is generally applied to an air inlet system of an engine of a dump truck, and the oil in an oil basin is used for adhering dust particles in the air to filter impurities in the air. In the prior art, after a user cleans a filter element, if engine oil is excessively injected or the engine speed is high, the engine oil can directly pollute a downstream paper filter element through an oil wire filter element, so that the paper filter element is damaged or failed, and then the engine is abraded or damaged. Therefore, it is desirable to provide an oil bath type air cleaner to solve the above existing problems.
Disclosure of Invention
The invention aims to provide an oil bath type air filter, which avoids engine oil from directly polluting downstream paper filter elements through an oil wire filter element and improves the working reliability of the air filter.
In order to achieve the purpose, the invention adopts the following technical scheme:
an oil bath air cleaner comprising:
the oil tank is arranged at the bottom of the shell and contains engine oil;
the air inlet channel is arranged in the shell, one end of the air inlet channel is communicated with the engine oil groove, and the other end of the air inlet channel is provided with an air inlet;
the air outlet channel is arranged in the shell, one end of the air outlet channel is communicated with the engine oil tank, the other end of the air outlet channel is provided with an air outlet, and a first-stage oil silk filter screen, a second-stage oil silk filter screen and a glass fiber cotton filter screen are sequentially arranged in the air outlet channel from one end to the other end.
As a preferable technical scheme of the oil bath type air filter, the glass fiber cotton filter screen comprises a plurality of layers of glass fiber cotton which are stacked, and the diameters of the glass fiber monofilaments of the plurality of layers of glass fiber cotton are gradually decreased.
As a preferable technical scheme of the oil bath type air filter, the glass fiber monofilament diameter of the glass fiber cotton is 6-20 μm.
As a preferred technical scheme of the oil bath type air filter, the glass fiber cotton has a specific surface area of 0.7 square meter per gram to 4 square meters per gram.
As a preferable technical scheme of the oil bath type air filter, the glass fiber cotton filter screen is a wave-shaped glass fiber cotton filter screen.
As a preferable technical scheme of the oil bath type air filter, the height of the glass fiber cotton filter screen is 18mm-22mm, and the folding distance of the glass fiber cotton filter screen is 5mm-10 mm.
As a preferable technical scheme of the oil bath type air filter, the thickness of the glass fiber cotton filter screen is 5mm-15 mm.
As a preferable technical scheme of the oil bath type air filter, the wire mesh diameter of the primary oil wire filter screen and the secondary oil wire filter screen is 0.22mm-0.28 mm.
As a preferable technical scheme of the oil bath type air filter, the thickness of the primary oil silk screen and the secondary oil silk screen is 90mm-150 mm.
As a preferable technical solution of the oil bath type air filter, the air outlet channel is arranged in the middle of the housing, and the air outlet is arranged at the top of the housing;
the air inlet channel surrounds the air outlet channel, and the air inlet is formed in the side wall of the shell.
The invention has the beneficial effects that:
according to the oil bath type air filter, gas carrying impurities sequentially passes through the engine oil, the primary oil silk filter screen and the secondary oil silk filter screen for sedimentation and filtration, particle impurities larger than 30 microns in the gas can be filtered, and the gas carrying particle impurities smaller than or equal to 30 microns and engine oil aerosol particles enters the glass fiber cotton filter screen for secondary filtration, so that the filtration effect of the air filter is improved; in addition, set up the fine cotton filter screen of glass and can intercept the fine cotton filter screen of glass with the machine oil that overflows in the machine oil groove, avoid machine oil to pollute the paper filter core in low reaches, reached the purpose that oil bath formula air cleaner does not lose oil, improved the reliability of oil bath formula air cleaner work.
Drawings
FIG. 1 is a schematic structural view of an oil bath type air cleaner provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of the glass fiber cotton filter screen provided by the embodiment of the invention.
In the figure:
1. a housing; 2. an oil sump; 3. an air intake passage; 4. an air inlet; 5. an air outlet channel; 6. an air outlet; 7. a first-stage oil silk filter screen; 8. a second-stage oil silk filter screen; 9. glass fiber cotton filter screen.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The embodiment provides an oil bath type air filter to solve the technical problems that in the prior art, after a user cleans a filter element, if engine oil is excessively injected or the engine speed is high, the engine oil directly pollutes a downstream paper filter element through an oil wire filter element, the paper filter element is damaged or loses efficacy, and then the engine is abraded or damaged.
As shown in fig. 1, the oil bath type air cleaner provided by this embodiment includes a housing 1, an air inlet channel 3 and an air outlet channel 5, an oil sump 2 is provided at the bottom of the housing 1, oil is contained in the oil sump 2, the air inlet channel 3 is provided in the housing 1, one end of the air inlet channel 3 is communicated with the oil sump 2, the other end is provided with an air inlet 4, the air outlet channel 5 is provided in the housing 1, one end of the air outlet channel 5 is communicated with the oil sump 2, the other end is provided with an air outlet 6, a first-stage oil silk filter screen 7, a second-stage oil silk filter screen 8 and a glass fiber cotton filter screen 9 are sequentially provided from one end to. After the gas carrying impurities sequentially passes through the engine oil, the primary oil silk filter screen 7 and the secondary oil silk filter screen 8 for sedimentation and filtration, particle impurities larger than 30 microns in the gas can be filtered, and the gas carrying particle impurities smaller than or equal to 30 microns and engine oil aerosol particles enters the glass fiber cotton filter screen 9 for secondary filtration, so that the filtering effect of the air filter is improved; in addition, the glass fiber cotton filter screen 9 is arranged, so that engine oil overflowing from the oil tank 2 can be intercepted into the glass fiber cotton filter screen 9, the engine oil is prevented from polluting a downstream paper filter element, the purpose of no oil loss of the oil bath type air filter is achieved, and the working reliability of the oil bath type air filter is improved.
Specifically, in this embodiment, inlet channel 3 sets up middle part in casing 1, and extends to the top by casing 1's bottom, and gas outlet 6 sets up in casing 1 top, and one-level oil silk filter screen 7, second grade oil silk filter screen 8 and fine cotton filter screen 9 of glass set gradually by supreme down for the filterable gas of process machine oil is discharged by gas outlet 6 again after filtering through one-level oil silk filter screen 7, second grade oil silk filter screen 8 and fine cotton filter screen 9 of glass in proper order. Air inlet channel 3 encircles air outlet channel 5 and sets up, and air inlet 4 sets up on the lateral wall of casing 1, and the gas that enters into air inlet channel 3 through air inlet 4 enters into air outlet channel 5 after the machine oil in machine oil groove 2 filters in and filters. The structure of the air inlet channel 3 and the air outlet channel 5 is compact, air inlet and air exhaust are smooth, and the working efficiency of the oil bath type air filter is improved.
In the embodiment, the diameter of the wire mesh of the first-stage oil wire filter screen 7 and the second-stage oil wire filter screen 8 is 0.22mm-0.28mm, and the thickness of the first-stage oil wire filter screen 7 and the second-stage oil wire filter screen 8 is 90mm-150mm, so that large particle impurities in the gas can be filtered.
The glass fiber cotton filter screen 9 can filter particle impurities and engine oil aerosol particles with the particle size less than or equal to 30 microns in the air, in the embodiment, as shown in fig. 2, the glass fiber cotton filter screen 9 is a wave-shaped glass fiber cotton filter screen, so that the filtering area is increased, and the filtering efficiency of the air filter is improved. Preferably, the folding position of the wave-shaped glass fiber cotton filter screen is in a circular arc shape, so that gas can smoothly pass through the filter screen, and the filter area is further increased. In other embodiments, the folding point of the glass fiber cotton filter net 9 may be a sharp angle, which is not limited herein.
Furthermore, the height of the glass fiber cotton filter screen 9 is 18mm-22mm, the folding distance of the glass fiber cotton filter screen 9 is 5mm-10mm, and the filtering area of the glass fiber cotton filter screen 9 is increased while gas can smoothly pass through the glass fiber cotton filter screen.
Furthermore, the thickness of the glass fiber cotton filter screen 9 is 5mm-15mm, so that the glass fiber cotton filter screen 9 is ensured to have good filtering efficiency, the phenomenon that the glass fiber cotton filter screen 9 is too thin to influence the filtering effect is avoided, the glass fiber cotton filter screen 9 is too thick to cause resource waste, and the occupied space is also avoided. Preferably, the thickness of the glass fiber cotton filter screen 9 is 5mm-10 mm. In the process of manufacturing the corrugated glass fiber cotton filter screen 9, the glass fiber cotton filter screen 9 can be compressed, for example, before the glass fiber cotton filter screen 9 has no formed corrugated shape, the thickness of the glass fiber cotton filter screen 9 is 15mm, and after the formed corrugated shape, the thickness of the glass fiber cotton filter screen 9 becomes 10 mm.
In this embodiment, the fine cotton filter screen 9 of glass includes that the multilayer superposes the fine cotton of glass that sets up, and the fine cotton fine monofilament of multilayer glass's diameter diminishes gradually. Make fine cotton filter screen 9 of glass fibre set up the fine cotton of multilayer glass in appointed thickness, and the fine cotton of multilayer glass is by dredging to densely distributing, forms the gradient and filters, makes the filterability of fine cotton filter screen 9 of glass fibre strengthen gradually to improve the filter effect of fine cotton filter screen 9 of glass. After the glass fiber cotton filter screen 9 is installed in the shell 1, the glass fiber cotton with the large glass fiber monofilament diameter is close to the second-stage oil silk filter screen 8, and the glass fiber cotton with the small glass fiber monofilament diameter is close to the air outlet 6.
Furthermore, the diameter of the glass fiber monofilament of the glass fiber cotton is 6-20 μm, so that the glass fiber cotton filter screen 9 can filter particle impurities and engine oil aerosol particles smaller than or equal to 30 μm. Preferably, the diameter of the glass fiber monofilament of one of the layers of the glass fiber cotton filter screen 9 is set to be 20 μm, the diameter of the glass fiber monofilament of one of the layers of the glass fiber cotton filter screen is set to be 6 μm, and glass fiber monofilaments with the diameter larger than 6 μm and smaller than 20 μm can be arranged between the two layers of the glass fiber cotton filter screen, so that the diameter of the glass fiber monofilament of the glass fiber cotton filter screen 9 is gradually decreased, and engine oil aerosol particles with the diameter of 50 μm-200 μm can be filtered.
The specific surface area of the glass fiber cotton is 0.7 square meter/g-4 square meter/g, the specific surface area of the glass fiber cotton determines the density degree of the glass fiber cotton, the larger the specific surface area is, the larger the porosity of the glass fiber cotton is, the coarser the filtration is, conversely, the smaller the specific surface area is, the smaller the porosity of the glass fiber cotton is, and the smaller the impurity and the engine oil aerosol particles can be filtered.
The glass fiber cotton filter screen 9 is processed and formed by adopting a high-temperature multilayer melt-blown drawing process. Glass fiber cotton filter screen 9 demountable installation is in casing 1 to convenient to detach changes, and then prolongs oil bath formula air cleaner's life, improves the reliability that air cleaner used.
When the oil bath type air filter is used, gas enters the gas inlet channel 3 from the gas inlet 4, the gas flows through engine oil and then enters the gas outlet channel 5, the gas carrying impurities is settled and filtered through impacting the engine oil and the first-level oil silk filter screen 7 and the second-level oil silk filter screen 8, particle impurities larger than 30 mu m in the gas can be filtered, the gas carrying particle impurities smaller than or equal to 30 mu m and engine oil aerosol particles enters the glass fiber cotton filter screen 9 for filtering, the glass fiber cotton filter screen 9 can filter engine oil aerosol particles of 50 mu m-200 mu m, and the gas filtered by the glass fiber cotton filter screen 9 is discharged through the gas outlet 6.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. An oil bath air cleaner, comprising:
the oil tank is characterized by comprising a shell (1), wherein an oil tank (2) is arranged at the bottom of the shell (1), and engine oil is contained in the oil tank (2);
the air inlet channel (3) is arranged in the shell (1), one end of the air inlet channel (3) is communicated with the oil groove (2), and the other end of the air inlet channel is provided with an air inlet (4);
air outlet channel (5), set up in casing (1), air outlet channel's (5) one end with machine oil groove (2) intercommunication, the other end are equipped with gas outlet (6), be equipped with one-level oil silk filter screen (7), second grade oil silk filter screen (8) and fine cotton filter screen of glass (9) by one end in proper order to the other end in air outlet channel (5).
2. The oil bath air filter according to claim 1, wherein the glass fiber cotton filter screen (9) comprises a plurality of layers of glass fiber cotton stacked one on another, and the diameters of the glass fiber monofilaments of the plurality of layers of glass fiber cotton are gradually decreased.
3. The oil bath air cleaner of claim 2, wherein the fiberglass filaments of the fiberglass cotton have a diameter of 6 μm to 20 μm.
4. The oil bath air filter of claim 2, wherein the glass fiber cotton has a specific surface area of from 0.7 square meters per gram to 4 square meters per gram.
5. The oil bath air filter according to claim 1, wherein the glass fiber cotton filter screen (9) is a waved glass fiber cotton filter screen.
6. The oil bath air filter according to claim 5, wherein the height of the glass fiber cotton filter screen (9) is 18mm to 22mm, and the folding pitch of the glass fiber cotton filter screen (9) is 5mm to 10 mm.
7. The oil bath air filter according to claim 5, wherein the thickness of the glass wool filter screen (9) is 5mm to 15 mm.
8. The oil bath air cleaner according to claim 1, characterized in that the wire mesh diameter of the primary (7) and secondary (8) oil wire screens is 0.22-0.28 mm.
9. The oil bath air cleaner according to claim 1, characterized in that the thickness of the primary (7) and secondary (8) oil wire screens is 90mm-150 mm.
10. The oil bath air cleaner according to any one of claims 1 to 9, wherein the air outlet channel (5) is provided in the middle inside the housing (1), and the air outlet (6) is provided at the top of the housing (1);
the air inlet channel (3) surrounds the air outlet channel (5), and the air inlet (4) is formed in the side wall of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011249427.7A CN112392632A (en) | 2020-11-10 | 2020-11-10 | Oil bath type air filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011249427.7A CN112392632A (en) | 2020-11-10 | 2020-11-10 | Oil bath type air filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112392632A true CN112392632A (en) | 2021-02-23 |
Family
ID=74600646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011249427.7A Pending CN112392632A (en) | 2020-11-10 | 2020-11-10 | Oil bath type air filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112392632A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020184863A1 (en) * | 2001-06-11 | 2002-12-12 | Gaetano Bergami | Enbloc device for filtering the intake air of combustion engines |
| CN2723708Y (en) * | 2004-04-15 | 2005-09-07 | 范世智 | Novel air filter |
| CN203548014U (en) * | 2013-11-26 | 2014-04-16 | 山东泰全重型汽车配件有限公司 | Centrifugal pre-separated type oil bath type air filter without inner cavity |
| CN203604075U (en) * | 2013-12-10 | 2014-05-21 | 河北顺清过滤器科技有限公司 | Oil-bath type air filter |
| CN203978944U (en) * | 2014-05-21 | 2014-12-03 | 无锡杰尔压缩机有限公司 | A kind of noise elimination structure of intake grill filter and sound damper |
| CN204175473U (en) * | 2014-09-22 | 2015-02-25 | 诸城市海得威机械有限公司 | Used with tractor oil bath air cleaner |
| CN105221305A (en) * | 2014-02-16 | 2016-01-06 | K&N工程公司 | There is the air tank of Integral filtering medium |
| CN108087162A (en) * | 2016-08-03 | 2018-05-29 | K&N工程公司 | Conical air filter |
| CN207413043U (en) * | 2017-01-22 | 2018-05-29 | 佛山市世冠化工科技有限公司 | A kind of paint exhaust processor |
| CN109641168A (en) * | 2016-03-24 | 2019-04-16 | K&N工程公司 | Reusable air filter system and method |
| CN210396926U (en) * | 2019-08-26 | 2020-04-24 | 重庆市晓鹰消声器开发有限公司 | Oil bath type air filter for automobile |
| CN211174408U (en) * | 2019-09-19 | 2020-08-04 | 常州科普动力机械有限公司 | High-efficient oil bath formula air cleaner |
-
2020
- 2020-11-10 CN CN202011249427.7A patent/CN112392632A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020184863A1 (en) * | 2001-06-11 | 2002-12-12 | Gaetano Bergami | Enbloc device for filtering the intake air of combustion engines |
| CN2723708Y (en) * | 2004-04-15 | 2005-09-07 | 范世智 | Novel air filter |
| CN203548014U (en) * | 2013-11-26 | 2014-04-16 | 山东泰全重型汽车配件有限公司 | Centrifugal pre-separated type oil bath type air filter without inner cavity |
| CN203604075U (en) * | 2013-12-10 | 2014-05-21 | 河北顺清过滤器科技有限公司 | Oil-bath type air filter |
| CN105221305A (en) * | 2014-02-16 | 2016-01-06 | K&N工程公司 | There is the air tank of Integral filtering medium |
| CN203978944U (en) * | 2014-05-21 | 2014-12-03 | 无锡杰尔压缩机有限公司 | A kind of noise elimination structure of intake grill filter and sound damper |
| CN204175473U (en) * | 2014-09-22 | 2015-02-25 | 诸城市海得威机械有限公司 | Used with tractor oil bath air cleaner |
| CN109641168A (en) * | 2016-03-24 | 2019-04-16 | K&N工程公司 | Reusable air filter system and method |
| CN108087162A (en) * | 2016-08-03 | 2018-05-29 | K&N工程公司 | Conical air filter |
| CN207413043U (en) * | 2017-01-22 | 2018-05-29 | 佛山市世冠化工科技有限公司 | A kind of paint exhaust processor |
| CN210396926U (en) * | 2019-08-26 | 2020-04-24 | 重庆市晓鹰消声器开发有限公司 | Oil bath type air filter for automobile |
| CN211174408U (en) * | 2019-09-19 | 2020-08-04 | 常州科普动力机械有限公司 | High-efficient oil bath formula air cleaner |
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Application publication date: 20210223 |