CN114962089B - Air filtering structure with uniform air inlet and adjustable air inlet amount and air inlet adjusting method thereof - Google Patents
Air filtering structure with uniform air inlet and adjustable air inlet amount and air inlet adjusting method thereof Download PDFInfo
- Publication number
- CN114962089B CN114962089B CN202210470086.9A CN202210470086A CN114962089B CN 114962089 B CN114962089 B CN 114962089B CN 202210470086 A CN202210470086 A CN 202210470086A CN 114962089 B CN114962089 B CN 114962089B
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- air
- plate
- spoiler
- outlet pipe
- air inlet
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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
- F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
-
- 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
- F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
- F02M35/0204—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof for connecting or joining to other devices, e.g. pipes
-
- 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
- F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
- F02M35/0205—Details, e.g. sensors or measuring devices
-
- 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
- F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
- F02M35/0209—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof comprising flexible, resilient, movable or rotatable elements, e.g. with vibrating or contracting movements; Springs; Valves; Flaps
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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
- F02M35/0201—Housings; Casings; Frame constructions; Lids; Manufacturing or assembling thereof
- F02M35/021—Arrangements of air flow meters in or on air cleaner housings
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to an air filtering structure with uniform air inlet and adjustable air inflow and an air inlet adjusting method thereof, which comprise an air filtering shell with hollow inside, wherein an air inlet pipe and an air outlet pipe which are communicated with the air filtering shell are fixedly connected to the air filtering shell, a flow guiding structure for reducing air inlet resistance and enabling air to be uniformly distributed is arranged in the air filtering shell, the air filtering structure comprises a flow guiding plate which is fixed in the air filtering shell and is arranged in front of the air outlet pipe along the air inlet direction and a spoiler which is arranged in the air outlet pipe, and a driving mechanism for driving the spoiler to rotate around a rotating shaft is fixed on the air filtering shell. The air filter air inlet structure designed by the invention is simple and easy to realize. Can design the repacking on current empty straining, the practicality is strong, repacking with low costs.
Description
Technical Field
The invention relates to the technical field of vehicle air inlet systems, in particular to an air filter structure with uniform air inlet and adjustable air inflow and an air inlet adjusting method thereof.
Background
The air filter is an important component of an air inlet system of the engine, and is used for filtering impurities in the air, preventing dust, water, snow and other particles from entering a combustion chamber of the engine, and providing dry and clean air for the engine. With the upgrade of the technology of the national six-engine, an air flow meter is added at an air filtering port, the calibration precision requirement on the air flow meter arranged behind the air filter is severe, and the higher requirement is provided for the air inlet uniformity of clean air entering the air flow meter through the air filtering port. The existing air filter has the following problems: 1. after the air is filtered by the air filter, clean air directly enters the air flow meter through an air outlet pipe after the air is filtered, and the problems of poor air inlet uniformity and high air inlet resistance exist; 2. the problem of high cost of the air inlet structure exists when the air inlet structure is added in the air inlet pipe of the air flowmeter to optimize the air inlet uniformity.
Disclosure of Invention
The invention aims to solve the defects of the background technology and provide an air filtering structure capable of effectively improving air inlet uniformity, low in cost and capable of adjusting air inlet amount and an air inlet adjusting method thereof. The invention is described by advancing and exhausting at the angle of the engine air inlet system, the air filtering structure is a part of the engine air inlet system, so that all the air passing through the air filtering structure and the air flow meter is the air inlet.
In order to achieve the purpose, the air filtering structure with uniform air inlet and adjustable air inflow designed by the invention comprises an air filtering shell with hollow inside, and an air inlet pipe and an air outlet pipe communicated with the inside of the air filtering shell are fixedly connected with the air filtering shell, and the air filtering structure is characterized in that: the air filter comprises an air filter body, and is characterized in that a flow guide structure for reducing air inlet resistance and enabling air inlet to be uniformly distributed is arranged in the air filter body, the air filter body comprises a flow guide plate and a spoiler, the flow guide plate is fixed in the air filter body, the flow guide plate is arranged in front of an air outlet pipe along the air inlet direction, the spoiler is arranged in the air outlet pipe, and a driving mechanism for driving the spoiler to rotate around a rotating shaft is fixed on the air filter body.
Further, one end of the guide plate is fixed on the top inner surface of the air filter shell, the other end of the guide plate is fixed on the upper inner surface of the air outlet pipe, and a closed cavity is formed between the upper surface of the guide plate and the upper inner surface of the air filter shell.
Further, the guide plate comprises a guide side plate and a guide top plate which is fixedly connected to the top of the guide side plate and is in an integrated structure with the guide side plate, one end of the guide side plate is fixedly connected with a buckle plate which is in an integrated structure with the guide side plate, and the bottom of the guide side plate is fixedly connected with a barb plate which is in an integrated structure with the guide side plate; the upper inner surface of the air filter shell is provided with a buckle hole matched with the buckle plate and a barb plate clamping groove matched with the barb plate.
Further, the connection part of the flow guide top plate and the flow guide side plate is an arc surface, and the degree of the round angle corresponding to the arc surface is 95-105 degrees.
Further, the middle part of one end of the flow guiding side plate, which is close to the air outlet pipe, is provided with an inward concave arc groove surface.
Further, at least two spoilers are arranged in the air outlet pipe side by side.
Further, the spoiler is coaxially fixed on the rotating shaft, two ends of the rotating shaft respectively penetrate through the end faces of the upper side and the lower side of the spoiler, at least two rotating shaft mounting holes matched with the rotating shaft are respectively formed in the upper side and the lower side of the inner surface of the air outlet pipe side by side, and the rotating shaft is rotatably arranged in the rotating shaft mounting holes.
Further, the spoiler is an arc-shaped plate, the arc-shaped length of the arc-shaped plate is 18-22mm, and the central angle of the arc-shaped plate is 10-20 degrees.
Further, the distance between the spoiler and the orifice surface of the air outlet pipe is 40-50 cm.
Still further, an air intake adjusting method based on the air filter structure with uniform air intake and adjustable air intake is provided: and when the current opening degree of the engine throttle valve is 25-90 degrees, controlling the driving mechanism to drive the spoiler to rotate, so that the upper surface of the spoiler is parallel to the axial direction of the air outlet pipe, when the current opening degree of the engine throttle valve is 11-24 degrees, controlling the driving mechanism to drive the spoiler to rotate, so that the angle between the upper surface of the spoiler and the axial direction of the air outlet pipe is 30 degrees, and when the current opening degree of the engine throttle valve is 0-10 degrees, controlling the driving mechanism to drive the spoiler to rotate, so that the angle between the upper surface of the spoiler and the axial direction of the air outlet pipe is 60 degrees.
The beneficial effects of the invention are as follows: according to the air flow meter, the air filter shell and the air outlet pipe are provided with the guide plates, the guide plates are used for guiding air flow, and the guide plates can prevent high-speed air flow from being intensively blown on the right-angle corner of the air filter upper shell to form vortex, so that air inlet resistance is reduced, and the air flow can smoothly pass through the air filter and enter the air flow meter. The structure of the spoiler enables high-speed air flow to be uniformly distributed when passing through the spoiler, and the high-speed air flow can enter the air flow meter after passing through the air filtering air pipe more uniformly at a better angle. The rotation angle of the spoiler is controlled by collecting opening signals of an engine throttle valve and adding a driving motor and a reduction gear, and the air inflow through the air flowmeter is controlled. The air filter air inlet structure designed by the invention is simple and easy to realize. Can design the repacking on current empty straining, the practicality is strong, repacking with low costs.
Drawings
FIG. 1 is an assembled perspective view of a hollow filter and air flow meter of the present invention;
FIG. 2 is a perspective view of a hollow filter structure of the present invention;
FIG. 3 is a perspective view of the baffle of the present invention assembled within the air filter upper housing;
FIG. 4 is a perspective view of a baffle according to the present invention;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is an enlarged view of the structure at B in FIG. 3;
FIG. 7 is a cross-sectional view of C-C of FIG. 3;
FIG. 8 is a perspective view of a spoiler according to the present invention;
FIG. 9 is a perspective view showing the structure of the hollow filter upper shell at the mounting hole of the rotating shaft;
the air flow meter comprises a 1-air filter shell (1.1-air filter upper shell, 1.2-air filter lower shell), a 2-air inlet pipe, a 3-air outlet pipe, a 4-guide plate (4.1-guide side plates, 4.2-guide top plates, 4.3-clamping plates, 4.4-barb plates), a 5-spoiler, a 6-driving mechanism, 7-clamping holes, 8-barb plate clamping grooves, 9-arc groove surfaces, 10-rotating shafts, 11-rotating shaft mounting holes and 12-air flow meters.
Detailed Description
The invention will now be described in further detail with reference to the drawings and to specific examples.
The air filtering structure with uniform air inlet and adjustable air inflow as shown in fig. 1-9 comprises an air filtering shell 1, wherein the air filtering shell 1 is of a hollow structure, the air filtering shell 1 consists of an air filtering lower shell 1.2 and an air filtering upper shell 1.1, an air outlet pipe 3 communicated with the air filtering upper shell 1.1 and an air inlet pipe 2 communicated with the air filtering lower shell 1.2 are arranged on the air filtering upper shell 1.1, a guide plate 4 and a spoiler 5 are positioned between the air filtering upper shell 1.1 and an air outlet of the air outlet pipe 3, and a driving mechanism 6 is positioned on one side of the air outlet pipe 3 of the air filtering upper shell 1.1. The baffle 4 is positioned at the corner position of the air filter upper shell 1.1 and connected with the air outlet pipe 3, and the spoiler 5 is positioned at the straight line segment position of the air outlet pipe 3. In order to simplify the structure and save costs, the air inlet pipe 2 and the air outlet pipe 3 can be directly integrated on the air filter lower shell 1.2 and the air filter upper shell 1.1 respectively.
As shown in fig. 3-9, the flow guide plate 4 comprises a flow guide side plate 4.1 and a flow guide top plate 4.2 fixedly connected to the top of the flow guide side plate and integrally formed with the flow guide side plate, one end of the flow guide side plate 4.1 is fixedly connected with a buckle plate 4.3 integrally formed with the flow guide side plate, and the bottom of the flow guide side plate 4.1 is fixedly connected with a barb plate 4.4 integrally formed with the flow guide side plate; the upper inner surface of the air filter upper shell 1.1 and the upper inner surface of the air outlet pipe 3 are respectively provided with a buckle hole 7 matched with the buckle plate 4.3 and a barb plate clamping groove 8 matched with the barb plate 4.4. A closed cavity is formed between the upper surface of the guide plate 4 and the upper inner surface of the air filtering shell 1, so that gas is prevented from entering the air outlet pipe 3 through a gap between the guide plate 4 and the air filtering shell 1, and uniform air diversion is ensured. The air filter upper shell 1.1 and the guide plate 4 are designed to be in a buckling connection mode, the guide plate 4 is designed to be in a barb structure, and the air filter upper shell 1.1 and the spoiler 5 are designed to be in a clamping groove matching structure, so that the guide plate 4 and the spoiler 5 can be flexibly installed and detached. The middle part of one end of the flow guiding side plate 4.1, which is close to the air outlet pipe 3, is provided with an inward concave arc groove surface 9, so that an arc air passage is formed from the air filtering upper shell 1.1 to the air inlet of the air outlet pipe 3, and the high-speed air flow is prevented from directly impacting the surface of the air filtering shell wall to form a vortex at a right angle turning position, thereby reducing the air flow resistance. Another embodiment of the present invention is: the guide plate 4 is directly welded in the air filter upper shell 1.1 through welding spots, so that the guide plate 4 is stably installed.
In order to improve the flow guiding function of the flow guiding plate 4 and reduce the air inlet resistance in the air filter, the flow guiding plate 4 is designed into an arc structure and is clamped at the right-angle position of the air filter upper shell 1.1 close to the air outlet, the flow guiding top plate 4.2 is a plane and is parallel to the assembly surface of the air filter upper shell 1.1, the flow guiding side plate 4.1 is an arc surface, and as shown in fig. 5, the flow guiding top plate 4.2 and the flow guiding side plate 4.1 form a 100-degree round angle.
The two spoilers 5 are uniformly distributed at the straight line section of the air outlet pipe 3. Preferably, the distance of the spoiler 5 from the air outlet surface of the air outlet tube 3 is 45cm. The surface of the spoiler 5 is an arc-shaped surface and is perpendicular to the axis of the air outlet pipe 3, the outer side surface is an arc-shaped convex surface, and the inner side surface is an arc-shaped concave surface. The arc length is 18-22mm, and the central angle is 10-20 degrees. The optimal selection is as follows: the arc length is 20mm and the central angle is 15 degrees.
The structure is beneficial to the filtration of air flow through the air filter, is uniformly distributed when passing through the air outlet, and improves the air inlet uniformity coefficient, thereby improving the reading accuracy of the air flowmeter 12.
The driving mechanism 6 comprises a driving motor and a reduction gear, and is arranged at the straight line section of the air outlet pipe 3. The working principle of the device is as follows: the engine control unit collects the opening signal of the electronic throttle valve body, and then the control logic defined by the control unit: the corresponding spoiler angle is 0 degree when the opening degree of the engine throttle valve is 25-90 degrees, the corresponding spoiler angle is 30 degrees when the opening degree of the engine throttle valve is 11-24 degrees, the corresponding spoiler angle is 60 degrees when the opening degree of the engine throttle valve is 0-10 degrees, the angle refers to an included angle between the arc concave surface of the spoiler 5 and the axial direction of the air outlet pipe, a corresponding control signal (duty ratio signal) is output to a driving motor, and under the action of the driving motor, the rotation angle of the spoiler 5 is controlled by utilizing the meshing of a reduction gear and a gear at the head part of a rotating shaft 10 of the spoiler 5 so as to achieve the effect of controlling the air inflow.
According to the invention, the air filter shell 1 and the air outlet pipe 3 are provided with the guide plates 4, and the guide plates 4 are used for guiding air flow, so that the guide plates 4 can prevent high-speed air flow from being intensively blown on the right-angle corner of the air filter upper shell 1.1 to form vortex, thereby reducing air inlet resistance, and enabling the air flow to smoothly pass through the air filter and enter the air flowmeter 12. The structure of the spoiler 5 enables high-speed air to be uniformly distributed when passing through the spoiler 5, and the high-speed air passes through the air outlet pipe 3 more uniformly at a better angle and then enters the air flow meter 12. By collecting opening signals of an engine throttle valve, a driving motor and a reduction gear are added to control the rotation angle of the spoiler 5, and the air inflow through the air flowmeter 12 is controlled. The air filter air inlet structure designed by the invention is simple and easy to realize. Can design the repacking on current empty straining, the practicality is strong, repacking with low costs.
The above description is only of the preferred embodiment of the present invention, and is not intended to limit the structure of the present invention in any way. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a structure is strained to even, air input adjustable sky of admitting air, includes inside hollow sky and strains casing (1), fixedly connected with on empty casing (1) rather than inside intake pipe (2) and outlet duct (3) of intercommunication, its characterized in that: the air filter comprises an air filter shell (1), wherein a flow guide structure for reducing air inlet resistance and enabling air inlet to be uniformly distributed is arranged in the air filter shell (1), the air filter shell comprises a flow guide plate (4) and a spoiler (5), the flow guide plate is fixed in the air filter shell (1) and is arranged in front of an air outlet pipe (3) along the air inlet direction, the spoiler (5) is arranged in the air outlet pipe (3), and a driving mechanism (6) for driving the spoiler (5) to rotate around a rotating shaft (10) is fixed on the air filter shell (1);
one end of the guide plate (4) is fixed on the top inner surface of the air filtering shell (1), the other end of the guide plate is fixed on the upper inner surface of the air outlet pipe (3), and a closed cavity is formed between the upper surface of the guide plate (4) and the upper inner surface of the air filtering shell (1);
the distance between the spoiler (5) and the orifice surface of the air outlet pipe (3) is 40-50 cm.
2. The air filter structure with uniform air intake and adjustable air inflow as claimed in claim 1, wherein: the guide plate (4) comprises a guide side plate (4.1) and a guide top plate (4.2) fixedly connected to the top of the guide side plate and integrally structured with the guide side plate, one end of the guide side plate (4.1) is fixedly connected with a buckle plate (4.3) integrally structured with the guide side plate, and the bottom of the guide side plate (4.1) is fixedly connected with a barb plate (4.4) integrally structured with the guide side plate; the upper inner surface of the air filter shell (1) is provided with a buckle hole (7) matched with the buckle plate (4.3) and a barb plate clamping groove (8) matched with the barb plate (4.4).
3. The air filter structure with uniform air intake and adjustable air intake amount as claimed in claim 2, wherein: the connection part of the flow guide top plate (4.2) and the flow guide side plate (4.1) is an arc surface, and the degree of the corresponding round angle of the arc surface is 95-105 degrees.
4. An air filter structure with uniform air intake and adjustable air inflow as claimed in claim 3, wherein: the middle part of one end of the flow guiding side plate (4.1) close to the air outlet pipe (3) is provided with an inward concave arc groove surface (9).
5. The air filter structure with uniform air intake and adjustable air inflow as claimed in claim 1, wherein: at least two spoilers (5) are arranged in the air outlet pipe (3) side by side.
6. The air filter structure with uniform air intake and adjustable air inflow as claimed in claim 5, wherein: the vortex sheet (5) is coaxially fixed on the rotating shaft (10), two ends of the rotating shaft (10) respectively penetrate through the end faces of the upper side and the lower side of the vortex sheet (5), at least two rotating shaft mounting holes (11) matched with the rotating shaft (10) are respectively formed in the upper side and the lower side of the inner surface of the air outlet pipe (3) side by side, and the rotating shaft (10) is rotatably arranged in the rotating shaft mounting holes (11).
7. The air filter structure with uniform air intake and adjustable air inflow as claimed in claim 6, wherein: the spoiler (5) is a circular arc-shaped plate, the arc-shaped length of the circular arc-shaped plate is 18-22mm, and the central angle of the circular arc-shaped plate is 10-20 degrees.
8. An intake air adjusting method based on the air filtering structure with uniform intake air and adjustable intake air amount according to any one of the claims 1-7, which is characterized in that: and when the current engine throttle opening is 25-90 degrees, controlling the driving mechanism (6) to drive the spoiler (5) to rotate, enabling the upper surface of the spoiler (5) to be parallel to the axial direction of the air outlet pipe (3), and when the current engine throttle opening is 11-24 degrees, controlling the driving mechanism (6) to drive the spoiler (5) to rotate, enabling the upper surface of the spoiler (5) and the axial direction of the air outlet pipe (3) to form an angle of 30 degrees, and when the current engine throttle opening is 0-10 degrees, controlling the driving mechanism (6) to drive the spoiler (5) to rotate, and enabling the upper surface of the spoiler (5) and the axial direction of the air outlet pipe (3) to form an angle of 60 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210470086.9A CN114962089B (en) | 2022-04-28 | 2022-04-28 | Air filtering structure with uniform air inlet and adjustable air inlet amount and air inlet adjusting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210470086.9A CN114962089B (en) | 2022-04-28 | 2022-04-28 | Air filtering structure with uniform air inlet and adjustable air inlet amount and air inlet adjusting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114962089A CN114962089A (en) | 2022-08-30 |
| CN114962089B true CN114962089B (en) | 2023-09-12 |
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ID=82972424
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210470086.9A Active CN114962089B (en) | 2022-04-28 | 2022-04-28 | Air filtering structure with uniform air inlet and adjustable air inlet amount and air inlet adjusting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114962089B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204411963U (en) * | 2014-12-31 | 2015-06-24 | 曼胡默尔滤清器（上海）有限公司 | The supplementary structure that a kind of air filter system is filtered and flow resistance performance improves |
| EP3150838A1 (en) * | 2015-09-30 | 2017-04-05 | Honda Motor Co., Ltd. | Air cleaner device |
| CN207660734U (en) * | 2017-12-01 | 2018-07-27 | 北京汽车研究总院有限公司 | A kind of air cleaner upper shell flow-guiding structure, air cleaner and automobile |
| CN216111060U (en) * | 2021-06-07 | 2022-03-22 | 长城汽车股份有限公司 | Casing assembly of air filter |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7278203B2 (en) * | 2019-12-02 | 2023-05-19 | マーレジャパン株式会社 | air cleaner |
-
2022
- 2022-04-28 CN CN202210470086.9A patent/CN114962089B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204411963U (en) * | 2014-12-31 | 2015-06-24 | 曼胡默尔滤清器（上海）有限公司 | The supplementary structure that a kind of air filter system is filtered and flow resistance performance improves |
| EP3150838A1 (en) * | 2015-09-30 | 2017-04-05 | Honda Motor Co., Ltd. | Air cleaner device |
| CN207660734U (en) * | 2017-12-01 | 2018-07-27 | 北京汽车研究总院有限公司 | A kind of air cleaner upper shell flow-guiding structure, air cleaner and automobile |
| CN216111060U (en) * | 2021-06-07 | 2022-03-22 | 长城汽车股份有限公司 | Casing assembly of air filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114962089A (en) | 2022-08-30 |
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