CN108775270A - A kind of centrifugal self-cleaning air cleaner device and its working method - Google Patents

A kind of centrifugal self-cleaning air cleaner device and its working method Download PDF

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Publication number
CN108775270A
CN108775270A CN201810916806.3A CN201810916806A CN108775270A CN 108775270 A CN108775270 A CN 108775270A CN 201810916806 A CN201810916806 A CN 201810916806A CN 108775270 A CN108775270 A CN 108775270A
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CN
China
Prior art keywords
filter
basket
large carrying
air
carrying food
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
Application number
CN201810916806.3A
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Chinese (zh)
Inventor
时培成
李云龙
王海涛
张秋华
叶莉
杨德玉
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Anhui Polytechnic University
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Anhui Polytechnic University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Polytechnic University filed Critical Anhui Polytechnic University
Priority to CN201810916806.3A priority Critical patent/CN108775270A/en
Publication of CN108775270A publication Critical patent/CN108775270A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02Air cleaners
    • F02M35/022Air cleaners acting by gravity, by centrifugal, or by other inertial forces, e.g. with moistened walls
    • F02M35/0223Air cleaners acting by gravity, by centrifugal, or by other inertial forces, e.g. with moistened walls by centrifugal forces, e.g. cyclones
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02Air cleaners
    • F02M35/024Air cleaners using filters, e.g. moistened
    • F02M35/02475Air cleaners using filters, e.g. moistened characterised by the shape of the filter element
    • F02M35/02483Cylindrical, conical, oval, spherical or the like filter elements; wounded filter elements

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Centrifugal Separators (AREA)

Abstract

A kind of centrifugal self-cleaning air cleaner device of present invention offer and its working method, hairbrush is driven to clean dust-proof net surface by motor, ensure that air inlet is unimpeded, driving motor work in air cleaner, by connecting that filter large carrying food-basket Intranet and filter large carrying food-basket outer net is driven to rotate with air cleaner internal gear, it is interspersed in the high pressure air rifle inside filter large carrying food-basket Intranet simultaneously and sprays high pressure gas, dust is removed using centrifugal force and high pressure draught, at the same time the vacuum cleaner for being connected on suction inlet is started to work, collect air cleaner internal dust, complete self-cleaning function, ideal filter effect can not only be reached under bad air environment, and rational in infrastructure.

Description

A kind of centrifugal self-cleaning air cleaner device and its working method
Technical field
The present invention relates to engine air filter fields more particularly to a kind of centrifugal from clear with self-cleaning function Clean air purifier unit and its working method.
Background technology
Air cleaner is the important component of near automotive engines.Fuel oil burning needs when car combustion engine works A large amount of air, a large amount of air enter cylinder, if air, without filtering, impurity or dust in air are inhaled into gas Cylinder, the abrasion that fiery plug group and cylinder can be made to accelerate, shortens service life of aeroengine.It was verified that engine does not install air filter Clear device, service life will shorten 2/3.If larger impurity particle enters between piston and cylinder in air, influence to lubricate, more sternly Serious pull-cylinder phenomena can be caused again.Filter is mounted on the front of carburetor or air inlet pipe, ensures to enter in cylinder enough Clean air.But traditional air cleaner will regularly replace air filtering core in use.And in different skies The filter effect of air cleaner is affected under compression ring border, especially under air conditions rugged environment, for example (,) mining site, agriculture Field harvesting etc., and the dust in air cleaner is susceptible to accumulation, can influence the effect that air cleaner crosses air filtering, sternly Air inlet can be caused to block when weight, and then influence internal combustion engine.Protection net generally can be installed additional in air inlet to be filtered greatly Particle, but if there is accumulation, it can serious influence air cleaner air inlet.
When progress filter is safeguarded, usually carry out replacing filter core or dedusting.Maintenance can be increased by carrying out filter element replacing Cost, and traditional air cleaner is installed by casing bolts and mounting hole, in vehicle assembling process, needs to tear open Air cleaner is opened, bolt installation is penetrated inside air cleaner, then combined again with upper shell, carries out filter element replacing operation Complexity, and influence production efficiency.
General dust removal method is first to remove air cleaner cartridge, and air cleaner cartridge is exposed to outdoor, hand High-pressure air pipe is held, by making air cleaner cartridge irregularly move, the dust in filter core is made to be taken away with high pressure gas.Due to The influence of open-air atmosphere, the dust flushed out is easy to be blown into filter core endoporus again, two caused by air cleaner cartridge Secondary pollution affects the service life of engine.Meanwhile the dust cleared out causes serious pollution to environment, especially gives behaviour The body for making personnel brings serious harm.Although surface floating dust can in this way removed, and internal bulky grain dust is due to certainly The gravity of body can be such that dedusting is not thorough it is difficult to be removed out of air filtering core, and then influence the smoothing effect of air cleaner.
For the above situation and problem, need to design a kind of completely new air cleaner, it is empty under bad working environments to solve Air cleaner, which is inconvenient to the problem of safeguarding, to be just particularly important.
Invention content
To solve the above problems, it is an object of the invention to provide a kind of centrifugal automatically cleaning air filters with self-cleaning function Clear device device and its working method drive hairbrush to clean dust-proof net surface by motor, ensure that air inlet is unimpeded, air Driving motor work in filter, filter large carrying food-basket Intranet and filtering are driven by being connect with air cleaner internal gear Device large carrying food-basket outer net rotates, while being interspersed in the high pressure air rifle inside filter large carrying food-basket Intranet and spraying high pressure gas, utilizes centrifugal force Dust is removed with high pressure draught, the vacuum cleaner for being at the same time connected on suction inlet is started to work, and air cleaner internal dust is collected, Self-cleaning function is completed, ideal filter effect, and rational in infrastructure can not only be reached under bad air environment.
The present invention provides a kind of centrifugal self-cleaning air cleaner device, including filter tank, the filter tank Suction inlet is provided on the side wall of body, the filter tank front end is provided with air inlet, the filter tank rear end setting There are gas outlet, the filter tank front end to be provided with filter protecgulum, filter tank rear end is provided with filter rear cover, institute It states air inlet to be arranged on filter protecgulum, gas outlet setting covers after filter, and filter is provided in the filter tank Clear device large carrying food-basket Intranet and filter large carrying food-basket outer net, the filter large carrying food-basket outer net is arranged on the outside of filter large carrying food-basket Intranet, described Filter paper is provided between filter large carrying food-basket Intranet and filter large carrying food-basket outer net, outside the filter large carrying food-basket Intranet and filter large carrying food-basket End off the net is provided with fixing bracket, and the fixing bracket is connected with filter large carrying food-basket outer net by bearing, under the fixing bracket End is provided with gear, and the direct geared is connect with filter large carrying food-basket outer net, method and filter of the fixing bracket by welding Clear device tank body connection for positioning bearing, and bears load caused by air filtering core rotation, in the filter large carrying food-basket Intranet Portion is provided with high pressure air rifle, and the high pressure air rifle is stretched into across filter rear cover in filter large carrying food-basket Intranet, after the filter It is provided with upper bearing (metal) between lid and filter large carrying food-basket outer net.
Air cleaner inner core is by being interspersed with filter paper among filter large carrying food-basket Intranet and filter large carrying food-basket outer net, passing through two The pedestal at end seals, and forms the shape composition for being similar to cylinder.It is equipped with axis at pedestal both ends, but two end axles are different, Inlet port is solid shafting, is hollow shaft in outlet port, for installing bearing and gasket for installing bearing and gear Circle.Installation can realize that air cleaner large carrying food-basket moves in a circle in this way, provide necessary centrifugal force.
High pressure gas is sprayed on high pressure air rifle simultaneously, forms high-pressure spray.A part of dust flows out air filter with high pressure gas The inner core of clear device, another part dust since driving motor drives filter inner core to move in a circle, by centrifuge force effect from It is discharged in air cleaner inner core;And the filter inner core of circular motion constantly stirs dust, and high pressure air rifle passes through nozzle High pressure gas is sprayed, high pressure gas band is formed and reaches to air cleaner to drive dust to be blown out from air cleaner inner core Clean purpose.
Further improvement lies in that:It is provided with dust cover on the air inlet, Air Filter is provided in the dust cover, it is described It is provided with motor fixing frame on dust cover, motor is provided on the motor fixing frame, the dust-proof net surface is provided with hairbrush, The hairbrush is connected to by rotation axis in the shaft of motor, is rotated by motor band electric brush.
Further improvement lies in that:The upper bearing (metal) periphery is provided with seal washer.
Further improvement lies in that:It is provided with driving gear, described driving gear one end on front side of the filter large carrying food-basket outer net Engaged with gear online outside filter large carrying food-basket, the other end is provided with driving motor, by driving motor drive driving gear into And filter large carrying food-basket outer net is driven to rotate, it is provided with fixed frame between the driving gear and filter large carrying food-basket outer net.
Further improvement lies in that:The suction inlet is circumscribed with vacuum cleaner, by vacuum cleaner by suction inlet to filter tank Interior dust is cleaned, and the vacuum cleaner is shaped article, can install the suitable vacuum cleaner of air force additional as needed.Dust suction The suction inlet of machine and the suction inlet of air cleaner connect, and form closed environment.
The present invention also provides a kind of working methods of centrifugal self-cleaning air cleaner device, and the working method is such as Under:When cleaning is needed or air conditions are severe, the motor work on dust cover, driving hairbrush carries out dust-proof net surface clear It sweeps, ensures that air inlet is unimpeded, the driving motor work in air cleaner, by connecting to drive with air cleaner internal gear Dynamic filter large carrying food-basket Intranet and the rotation of filter large carrying food-basket outer net, while being interspersed in the spray of the high pressure air rifle inside filter large carrying food-basket Intranet Go out high pressure gas, dust is removed using centrifugal force and high pressure draught, the vacuum cleaner for being at the same time connected on suction inlet is started to work, and is received Collect air cleaner internal dust.
The present invention is more thorough in dedusting, and the dust inside filter core is blown using high pressure gas, then by filter inside Driving motor driving, drive filter core move in a circle, using centrifugal force principle in filter core dust and gravity compare Big particle throws away filter core, and such filter efficiency of dust collection increases and dedusting is more thorough.
Using centrifugal principle, when internal high pressure air rifle blows filter core, it can accomplish the filter core dust for preventing from being blown out again It is secondary that secondary pollution is caused to air cleaner into filter core is interior.
Filter core constantly moves in a circle, and then is constantly stirred to dust, and the dust of floating is passed through conducive to vacuum cleaner Suction inlet clears out filter, and avoiding dust from falling into certain dead angles due to its own gravity causes to be difficult to clean off.
Air Filter is installed additional in air entry, and hairbrush is housed in Air Filter upper end, by motor band electric brush to Air Filter It is cleared up, dust-proof net surface can be deposited in avoid bulky grain air plankton, air entry is caused to block, remove bulky grain in time Air plankton keeps air cleaner air inlet unimpeded, and bulky grain air plankton is avoided to enter inside filter, influences sky The filter effect of air cleaner.
The present invention waits the ring in severe air pollution in agricultural harvesting machine, colliery engineering machinery, the machinery of bulk goods operation Using effect is especially prominent in the machinery used under border.
When working under air cleaner enters adverse circumstances, bulky grain pollutant and air suspension in air, such as Catkin, Yang Xu, the agricultural crop straw etc. flown upward, if above-mentioned substance enters in air cleaner, it will largely drop The filter effect of low latitude air cleaner prevents bulky grain pollutant so being equipped with dust cover on air cleaner air inlet Into inside air cleaner, when bulky grain air pollutants are attached on Air Filter, it is smooth to influence air cleaner air inlet Property, internal combustion engine and internal-combustion engine life-span are influenced when serious.Therefore when there is the bulky grain pollutant dust-proof net surface of attachment, prevent Motor switch in dust hood is opened, and motor driving hairbrush is rotated in dust-proof net surface, plays the role of cleaning Air Filter.By right The cleaning of Air Filter, ensures that air inlet is unimpeded, significantly reduces influence of the bulky grain pollutant to air cleaner.
Beneficial effects of the present invention:It is compact-sized, high dust collection efficiency, and different air environments is adapted to, exceedingly odious Air conditions under still maintain ideal air filtration effect, especially occur energy when bulky grain dust in the work environment Effective filtering removes away, is not in that bulky grain or air floating object accumulate the case where blocking air inlet, accomplishes automatically cleaning Function, extend the service life of filter core, convenient for safeguard, reduce maintenance cost, improve mechanical work efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is the filter tank structure sectional view of the present invention.
Fig. 3 is the structural schematic diagram of the filter inner core of the present invention.
Fig. 4 is the structure front view of the filter inner core of the present invention.
Fig. 5 is the scheme of installation of the filter tank inner core of the present invention.
Fig. 6 is the scheme of installation of the high pressure air rifle of the present invention.
Fig. 7 is the structural schematic diagram of the air inlet protective cover of the present invention.
Fig. 8 is the structural schematic diagram of the filter large carrying food-basket outer net of the present invention.
Wherein:1- filter tanks, 2- suction inlets, 3- air inlets, the gas outlets 4-, 5- filter protecgulums, after 6- filters Lid, 7- filter large carrying food-basket Intranets, 8- filter large carrying food-basket outer nets, 9- filter paper, 10- fixing brackets, 11- gears, 12- bearings, 13- high Compressed gas gun, 14- upper bearing (metal)s, 15- dust covers, 16- Air Filters, 17- motor fixing frames, 18- motors, 19- hairbrush, 20- rotation axis, 21- seal washers, 22- drive gear, 23- driving motors, 24- fixed frames.
Specific implementation mode
In order to keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with the accompanying drawings and have Body example is described in detail.In the following description, the specific detail for providing for example specific configuration and component is used for the purpose of Help comprehensive understanding the embodiment of the present invention.It therefore, it should be appreciated by those skilled in the art that can be to the embodiments described herein It makes various changes and modifications, upgrades improvement to it without departing from scope and spirit of the present invention.In addition, wanted for concise essence The invention is described, the description to known function and construction is omitted, some conventional details functions are no longer done to tire out and are stated, emphasize to protrude Advantages of the present invention.
In various embodiments of the present invention, it should be appreciated that the size of the serial number of following each processes is not meant to execute suitable The execution sequence of the priority of sequence, each process should be determined by its function and internal logic, without being constituted to process of the embodiment of the present invention Any restriction.
As shown in figures 1-8, the present embodiment provides a kind of centrifugal self-cleaning air cleaner devices, including filter tank 1, suction inlet 2 is provided on the side wall of the filter tank 1, and 1 front end of the filter tank is provided with air inlet 3, described 1 rear end of filter tank is provided with gas outlet 4, and 1 front end of the filter tank is provided with filter protecgulum 5, filter tank 1 Rear end is provided with filter rear cover 6, and the air inlet 3 is arranged on filter protecgulum 5, and gas outlet 4 is arranged in filter rear cover 6 On, filter large carrying food-basket Intranet 7 and filter large carrying food-basket outer net 8, the filter large carrying food-basket outer net are provided in the filter tank 1 8 settings are provided with filter paper in 7 outside of filter large carrying food-basket Intranet between the filter large carrying food-basket Intranet 7 and filter large carrying food-basket outer net 8 9, the filter large carrying food-basket Intranet 7 and 8 lower end of filter large carrying food-basket outer net are provided with fixing bracket 10, the fixing bracket 10 and filter Clear device large carrying food-basket outer net 8 is connected by bearing 12, and 10 lower end of the fixing bracket is provided with gear 11, the gear 11 directly with filter Clear device large carrying food-basket outer net 8 connects, and the filter large carrying food-basket Intranet 7 is internally provided with high pressure air rifle 13, and the high pressure air rifle 13 passes through Filter rear cover 6 stretches into filter large carrying food-basket Intranet 7, is provided between the filter rear cover 6 and filter large carrying food-basket outer net 8 Bearing 14.It is provided with dust cover 15 on the air inlet 3, Air Filter 16, the dust cover 15 are provided in the dust cover 15 On be provided with motor fixing frame 17, be provided with motor 18 on the motor fixing frame 17, hairiness is arranged in 16 surface of the Air Filter Brush 19, the hairbrush 19 is connected to by rotation axis 20 in the shaft of motor 18, is rotated with electric brush 19 by motor 18.It is described 14 periphery of upper bearing (metal) is provided with seal washer 21.8 front side of the filter large carrying food-basket outer net is provided with driving gear 22, the driving 22 one end of gear is engaged with the gear 11 on filter large carrying food-basket outer net 8, and the other end is provided with driving motor 23, passes through driving motor 23 drive driving gears 22 and then filter large carrying food-basket outer net 8 are driven to rotate, the driving gear 22 and filter large carrying food-basket outer net 8 it Between be provided with fixed frame 24.The suction inlet 2 is circumscribed with vacuum cleaner, by vacuum cleaner by suction inlet 2 in filter tank 1 Dust is cleaned.
The present embodiment also provides a kind of working method of centrifugal self-cleaning air cleaner device, and the working method is such as Under:When cleaning is needed or air conditions are severe, the motor 18 on dust cover 15 works, and driving hairbrush 19 is to 16 table of Air Filter Face is cleaned, and ensures that air inlet is unimpeded, and driving motor 23 in air cleaner works, by with air cleaner internal gear 11 connections are interspersed in filter large carrying food-basket Intranet 7 to drive filter large carrying food-basket Intranet 7 and filter large carrying food-basket outer net 8 to rotate Internal high pressure air rifle 13 sprays high pressure gas, removes dust using centrifugal force and high pressure draught, is at the same time connected on suction inlet 2 Vacuum cleaner start to work, collect air cleaner internal dust.

Claims (6)

1. a kind of centrifugal self-cleaning air cleaner device, including filter tank(1), the filter tank(1)Side Suction inlet is provided on wall(2), the filter tank(1)Front end is provided with air inlet(3), the filter tank(1)Afterwards End is provided with gas outlet(4), it is characterised in that:The filter tank(1)Front end is provided with filter protecgulum(5), filter Tank body(1)Rear end is provided with filter rear cover(6), the air inlet(3)It is arranged in filter protecgulum(5)On, gas outlet(4)If It sets in filter rear cover(6)On, the filter tank(1)Inside it is provided with filter large carrying food-basket Intranet(7)Outside filter large carrying food-basket Net(8), the filter large carrying food-basket outer net(8)It is arranged in filter large carrying food-basket Intranet(7)Outside, the filter large carrying food-basket Intranet(7) With filter large carrying food-basket outer net(8)Between be provided with filter paper(9), the filter large carrying food-basket Intranet(7)With filter large carrying food-basket outer net(8) Lower end is provided with fixing bracket(10), the fixing bracket(10)With filter large carrying food-basket outer net(8)Pass through bearing(12)Connection, institute State fixing bracket(10)Lower end is provided with gear(11), the gear(11)Directly with filter large carrying food-basket outer net(8)Connection, it is described Filter large carrying food-basket Intranet(7)It is internally provided with high pressure air rifle(13), the high pressure air rifle(13)Across filter rear cover(6)It stretches into Filter large carrying food-basket Intranet(7)In, the filter rear cover(6)With filter large carrying food-basket outer net(8)Between be provided with upper bearing (metal)(14).
2. a kind of centrifugal self-cleaning air cleaner device as described in claim 1, it is characterised in that:The air inlet (3)On be provided with dust cover(15), the dust cover(15)Inside it is provided with Air Filter(16), the dust cover(15)On be provided with Motor fixing frame(17), the motor fixing frame(17)On be provided with motor(18), the Air Filter(16)Hairiness is arranged in surface Brush(19), the hairbrush(19)Pass through rotation axis(20)It is connected to motor(18)Shaft on, pass through motor(18)Band electric brush (19)Rotation.
3. a kind of centrifugal self-cleaning air cleaner device as described in claim 1, it is characterised in that:The upper bearing (metal) (14)Periphery is provided with seal washer(21).
4. a kind of centrifugal self-cleaning air cleaner device as described in claim 1, it is characterised in that:The filter circle Cage outer net(8)Front side is provided with driving gear(22), the driving gear(22)One end and filter large carrying food-basket outer net(8)On tooth Wheel(11)Engagement, the other end are provided with driving motor(23), pass through driving motor(23)Drive driving gear(22)And then it drives Filter large carrying food-basket outer net(8)Rotation, the driving gear(22)With filter large carrying food-basket outer net(8)Between be provided with fixed frame (24).
5. a kind of centrifugal self-cleaning air cleaner device as described in claim 1, it is characterised in that:The suction inlet (2)It is circumscribed with vacuum cleaner, by vacuum cleaner by suction inlet(2)To filter tank(1)Interior dust is cleaned.
6. a kind of working method of centrifugal self-cleaning air cleaner device as described in claim 1-5 any one, It is characterized in that:The working method is as follows:When cleaning is needed or air conditions are severe, dust cover(15)On motor(18) Work drives hairbrush(19)To Air Filter(16)Surface is cleaned, and ensures that air inlet is unimpeded, the driving electricity in air cleaner Machine(23)Work, by with air cleaner internal gear(11)Connection is to drive filter large carrying food-basket Intranet(7)Justify with filter Cage outer net(8)Rotation, while being interspersed in filter large carrying food-basket Intranet(7)Internal high pressure air rifle(13)High pressure gas is sprayed, is utilized Centrifugal force and high pressure draught remove dust, are at the same time connected on suction inlet(2)Vacuum cleaner start to work, collect air cleaner Internal dust.
CN201810916806.3A 2018-08-13 2018-08-13 A kind of centrifugal self-cleaning air cleaner device and its working method Pending CN108775270A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810916806.3A CN108775270A (en) 2018-08-13 2018-08-13 A kind of centrifugal self-cleaning air cleaner device and its working method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810916806.3A CN108775270A (en) 2018-08-13 2018-08-13 A kind of centrifugal self-cleaning air cleaner device and its working method

Publications (1)

Publication Number Publication Date
CN108775270A true CN108775270A (en) 2018-11-09

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CN201810916806.3A Pending CN108775270A (en) 2018-08-13 2018-08-13 A kind of centrifugal self-cleaning air cleaner device and its working method

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102140981A (en) * 2010-02-02 2011-08-03 鄂尔多斯市东胜区中兴特种车辆制造有限责任公司 Self-cleaning air filter
CN203990111U (en) * 2014-06-30 2014-12-10 深圳市英维克科技股份有限公司 The dust removal by filtration device of ventilating system
CN206730766U (en) * 2017-04-13 2017-12-12 湖北楚天电缆实业有限公司 A kind of anti-blocking dust filter unit
CN107869413A (en) * 2017-12-04 2018-04-03 高博集团有限公司 A kind of electric motor coach vehicle vacuum pump air cleaner
CN208651009U (en) * 2018-08-13 2019-03-26 安徽工程大学 A kind of centrifugal self-cleaning air cleaner device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102140981A (en) * 2010-02-02 2011-08-03 鄂尔多斯市东胜区中兴特种车辆制造有限责任公司 Self-cleaning air filter
CN203990111U (en) * 2014-06-30 2014-12-10 深圳市英维克科技股份有限公司 The dust removal by filtration device of ventilating system
CN206730766U (en) * 2017-04-13 2017-12-12 湖北楚天电缆实业有限公司 A kind of anti-blocking dust filter unit
CN107869413A (en) * 2017-12-04 2018-04-03 高博集团有限公司 A kind of electric motor coach vehicle vacuum pump air cleaner
CN208651009U (en) * 2018-08-13 2019-03-26 安徽工程大学 A kind of centrifugal self-cleaning air cleaner device

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Application publication date: 20181109