CN109162836A - A kind of multiple cyclone that dust-exhausting port is open - Google Patents

A kind of multiple cyclone that dust-exhausting port is open Download PDF

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Publication number
CN109162836A
CN109162836A CN201811210523.3A CN201811210523A CN109162836A CN 109162836 A CN109162836 A CN 109162836A CN 201811210523 A CN201811210523 A CN 201811210523A CN 109162836 A CN109162836 A CN 109162836A
Authority
CN
China
Prior art keywords
whirlwind panel
dust
panel
whirlwind
type rotating
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
CN201811210523.3A
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Chinese (zh)
Inventor
魏来
姜新生
郭鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangyu Zhi Chuang Technology (beijing) Co Ltd
Original Assignee
Hangyu Zhi Chuang Technology (beijing) Co Ltd
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 Hangyu Zhi Chuang Technology (beijing) Co Ltd filed Critical Hangyu Zhi Chuang Technology (beijing) Co Ltd
Priority to CN201811210523.3A priority Critical patent/CN109162836A/en
Publication of CN109162836A publication Critical patent/CN109162836A/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
    • F02M35/08Air cleaners with means for removing dust, particles or liquids from cleaners; with means for indicating clogging; with by-pass means; Regeneration of cleaners
    • F02M35/084Dust collection chambers or discharge sockets, e.g. chambers fed by gravity or closed by a valve

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

Abstract

The invention discloses a kind of open multiple cyclones of dust-exhausting port, by the double-layer structure for setting tornadotron to front and rear, this double-layer structure is respectively less than 90 degree due to every layer of tornadotron blade rotation angle, so every layer of tornadotron and corresponding whirlwind panel can realize integrated molding, has the advantages that at low cost, install convenient;Simultaneously as tornadotron uses double-layer structure, the combination of this double-layer structure can be realized the tornadotron blade after combination again and rotate angle close to 180 degree, efficiently separated to the pollution air passed through and dust discharge to ensure that.

Description

A kind of multiple cyclone that dust-exhausting port is open
Technical field
A kind of open multiple cyclone of dust-exhausting port of the present invention, is related to a kind of air cleaning separator, especially It is related to the air cleaning separator that a kind of blade is combination type vane.
Background technique
Some installations and facilities needs work under the severe environmental conditions such as sand and dust, sleet, salt fog for a long time, these adverse circumstances Exotic in lower air can be inhaled into equipment, cause the damage of installations and facilities, the serious shutdown etc. that will cause installations and facilities, Generate serious consequence.In face of bad working environments environment above-mentioned, air cleaning unit is equipped in installations and facilities used and helps it Solving exotic threatens bring safety problem just at necessary selection.
Currently, often through by include tornadotron air separation purification device be mounted in equipment be used to solve in air Exotic threatened caused by installations and facilities.Normally, the existing air separation purification device comprising tornadotron is used Tornadotron there are mainly two types of form: one is ordinary cyclones pipe, the blade rotation angle of this tornadotron, can be with less than 90 degree It being integrally formed and produces with the panel of separating purifying device, production, mounting process are simple, and product price is low, but due to tornadotron Blade rotation angle it is small, therefore use this ordinary cyclones pipe air separation purification device separative efficiency it is low, it is difficult to meet Separation under actual condition environment needs;There are also one is use efficient rotary air hose, the blade rotation angle of the efficient rotary air hose Degree about 180 degree, thus separative efficiency is also high compared with the separative efficiency of ordinary cyclones pipe, but due to the efficient rotary air hose middle period piece Rotation angle has reached the wide-angle of about 180 degree, so this efficient rotary air hose singly can only be produced only, then again by production Efficient rotary air hose and separating purifying device panel sectional use, such direct result be exactly produce, mounting process it is complicated, and Product price is high.
Summary of the invention
The object of the present invention is to provide a kind of open multiple cyclones of dust-exhausting port, by setting tornadotron to The double-layer structure of front and rear, this double-layer structure is since every layer of tornadotron blade rotation angle is respectively less than 90 degree, so often Layer tornadotron and corresponding whirlwind panel can realize integrated molding, have the advantages that at low cost, install convenient;Simultaneously as Tornadotron uses double-layer structure, and the combination of this double-layer structure can be realized the tornadotron blade rotation angle after combination again Close to 180 degree, the pollution air passed through is efficiently separated and dust discharge to ensure that.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of multiple cyclone that dust-exhausting port is open, including whirlwind panel one, whirlwind panel two and whirlwind panel Three, wherein the whirlwind panel one includes one shell of whirlwind panel, combination type rotating air hose front, the buckle of whirlwind panel one and rotation One card slot of wind panel, the whirlwind panel two include combination type rotating air hose rear portion, the buckle of whirlwind panel two and two shell of whirlwind panel Body, the buckle of whirlwind panel two are used cooperatively with one card slot of whirlwind panel, and the whirlwind panel three includes whirlwind panel Three shells, three card slot of whirlwind panel, combination type rotating wind tube outlet pipe and dust-exhausting port, three card slot of whirlwind panel and the whirlwind Panel one is clasped use, further includes dust exhaust, combination type rotating air hose front is set to one shell of whirlwind panel In vivo and including front air inlet, anterior leaflet, front central positioning surface and front side wall positioning surface;The combination type rotating air hose Rear portion is set to two enclosure interior of tornadotron and including rear portion air inlet, posterior leaflet, posterior center face and rear sidewall Positioning surface;The combination type rotating wind tube outlet pipe is set in three shell of whirlwind panel and including outlet tube shell and outlet Pipe gas outlet;The whirlwind panel two is buckled by the whirlwind panel two and one card slot of whirlwind panel is thus with the rotation Wind panel one is clamped, and the whirlwind panel three passes through three card slot of whirlwind panel and the whirlwind panel one buckle and institute State the clamping of whirlwind panel one;The front central positioning surface and the front side wall positioning surface are positioned with the posterior center respectively Face and the rear sidewall positioning surface are bonded and form series connection;Combination type rotating air hose front and the combined type whirlwind Pipe rear portion is connected in series, the anterior leaflet and the posterior leaflet are connected in series, and the dust-exhausting port is set to the whirlwind face Three housing bottom of plate and it is set as open, the dust-exhausting port is connect with dust exhaust, the whirlwind panel one, the whirlwind face Plate two and the whirlwind panel three are disposed as integral structure.
The open multiple cyclone of a kind of dust-exhausting port above-mentioned, wherein the dust exhaust is set as dust-collecting box.
The open multiple cyclone of a kind of dust-exhausting port above-mentioned, wherein the rotation angle of the anterior leaflet is small In 90 degree.
The open multiple cyclone of a kind of dust-exhausting port above-mentioned, wherein the rotation angle of the posterior leaflet is small In 90 degree.
The open multiple cyclone of a kind of dust-exhausting port above-mentioned, wherein combination type rotating air hose front, described Combination type rotating air hose rear portion and the combination type rotating wind tube outlet piping are co-axially mounted.
Wherein, integral structure refers to the one of the whirlwind panel one, the whirlwind panel two and the whirlwind panel three It is a or it is multiple be respectively adopted integrated design, and by being formed by an overall structure after integral molded plastic molding production and processing. Dust-exhausting port is the opening for being used as dust discharge channel that three bottom faces of whirlwind panel have setting.Dust-exhausting port is open to refer to row Dirt mouth can be directly used for commonly collecting the devices such as the dust-collecting box of exotic with day and be used cooperatively at open by design.
The open multiple cyclone of a kind of dust-exhausting port of the present invention, by setting institute for the tornadotron in separator The double-layer structure of combination type rotating air hose front and combination type rotating air hose rear portion is stated, and then realizes the blade of every layer of tornadotron Blade rotation angle in the case where rotating angle and being respectively less than 90 degree, after the double-deck tornadotron combination is such to set close to 180 degree It sets and can be realized every layer of tornadotron respectively with two integrated injection molding of whirlwind panel one and whirlwind panel, work while save the cost Skill is simple, and structure is simple, facilitates installation;Meanwhile combination type rotating air hose front, combination type rotating air hose rear portion are combined And the rotation angle of the tornadotron blade formed is the sum of the rotation angle of the anterior leaflet Yu the posterior leaflet, it is this big Angle rotating vane can effectively improve air rotation speed, while improve the wherein radial velocity of exotic and tangential speed Degree, to realize to efficiently separating into a kind of exotic for the multiple cyclone for having dust flue of the invention. In addition, a kind of multiple cyclone for having dust flue of the invention can long time continuous working without replacement, during which Secondary pollution will not be generated, simultaneously because making pressure drop maintain constant numerical value always during work, there is high-efficient, pressure drop Stablize, the simple and with long service life remarkable advantage of structure.
Detailed description of the invention
Fig. 1 is a kind of overall structure signal of the open multiple cyclone of dust-exhausting port of the present invention
Fig. 2 is the structural schematic diagram of whirlwind panel 1 in Fig. 1.
Fig. 3 is the cross-sectional view of whirlwind panel 1 in Fig. 2.
Fig. 4 is the cross-sectional view of the front of combination type rotating air hose described in Fig. 2 12
Fig. 5 is the structural schematic diagram of whirlwind panel described in Fig. 122.
Fig. 6 is the cross-sectional view of whirlwind panel described in Fig. 522.
Fig. 7 is the cross-sectional view at the rear portion of combination type rotating air hose described in Fig. 5 21
Fig. 8 is the structural schematic diagram of whirlwind panel described in Fig. 133.
Fig. 9 is the cross-sectional view of whirlwind panel described in Fig. 833
Figure 10 is the cross-sectional view of tornadotron outlet described in Fig. 8 31
Figure 11 is a kind of combination type rotating air hose front 12 of the open multiple cyclone of dust-exhausting port of the present invention Structural schematic diagram before being bonded with combination type rotating air hose rear portion 21.
Figure 12 is a kind of combination type rotating air hose front 12 of the open multiple cyclone of dust-exhausting port of the present invention The structural schematic diagram for forming the double-deck tornadotron is bonded with combination type rotating air hose rear portion 21.
Figure 13 is the double-deck tornadotron and the tornadotron of a kind of open multiple cyclone of dust-exhausting port of the present invention The sectional structure chart and inner air separating flowing field schematic diagram of outlet 31.
Figure 14 is cross-sectional view and the inner air separation of a kind of open multiple cyclone of dust-exhausting port of the present invention Flow field schematic diagram.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as the limitation of the invention.
A kind of open multiple cyclone of dust-exhausting port of the present invention in use, is installed on motor car engine Air inlet, when the engine operates, under the suction of engine, the air with the exotics such as dust or fragment is logical first A kind of open multiple cyclone of dust-exhausting port of the invention is crossed, is separated by the present invention and the air of purification can pass through hair Motivation air inlet enters downstream.Please refer to Fig. 1, a kind of open multiple cyclone of dust-exhausting port of the present invention, including whirlwind Panel 1, whirlwind panel 22 and whirlwind panel 33 and dust exhaust 4.Referring to fig. 2 with 5, the whirlwind panel 1 includes rotation One shell 11 of wind panel, combination type rotating air hose front 12, the buckle of whirlwind panel one 13 and one card slot 14 of whirlwind panel, the whirlwind Panel 22 includes combination type rotating air hose rear portion 21, the buckle of whirlwind panel two 22 and two shell 23 of whirlwind panel, the whirlwind panel Two buckles 22 are used cooperatively with one card slot 14 of whirlwind panel;Referring to Fig. 8, the whirlwind panel 33 includes whirlwind panel three Shell 31, three card slot 32 of whirlwind panel, combination type rotating wind tube outlet pipe 33 and dust-exhausting port 34, three card slot 32 of the whirlwind panel with The buckle of whirlwind panel one 13 is used cooperatively;Referring to Fig. 3 with 4, combination type rotating air hose front 12 is set to the whirlwind It is positioned in one shell 11 of panel and including front air inlet 121, anterior leaflet 122, front central positioning surface 123 and front side wall Face 124;Referring to Fig. 6 and 7, combination type rotating air hose rear portion 21 is set to two shell of tornadotron, 23 inside and including rear portion Air inlet 211, posterior leaflet 212, posterior center face 213 and rear sidewall positioning surface 214;Referring to Fig. 9, the combined type whirlwind Pipe outlet 33 is set in three shell 31 of whirlwind panel and including outlet tube shell 331 and outlet gas outlet 332;Institute Whirlwind panel 22 is stated by the whirlwind panel two buckle 22 and one card slot 14 of the whirlwind panel thus with the whirlwind panel One 1 clampings, the whirlwind panel 33 pass through three card slot 32 of whirlwind panel and the whirlwind panel one buckle 13 and institute State the clamping of whirlwind panel 1;Referring to Figure 11 and 12, the front central positioning surface 123 and the front side wall positioning surface 124 divide It is not bonded with the posterior center positioning surface 213 and the rear sidewall positioning surface 214 and forms series connection;The combined type Tornadotron front 12 and the series connection of combination type rotating air hose rear portion 21, the anterior leaflet 122 and the posterior leaflet 212 It is connected in series, the dust-exhausting port 34 is set to three shell of whirlwind panel, 31 bottom and is set as open, the dust-exhausting port 34 connect with dust exhaust 4.
For convenience of use, a kind of multiple cyclone that dust-exhausting port is open above-mentioned, wherein the dust exhaust 4 It may be configured as dust accumulation box.
Further, a kind of open multiple cyclone of dust-exhausting port above-mentioned, wherein the anterior leaflet 122 Rotation angle less than 90 degree.Since the rotation angle of the anterior leaflet 122 is small, before realization can be facilitated to include described in this way The whirlwind panel 1 of portion's blade 122 is integrally formed, to realize that structure is simple, easy for installation and save the cost.
As an improvement, the multiple cyclone that a kind of dust-exhausting port above-mentioned is open, wherein the posterior leaflet 212 Angle is rotated less than 90 degree.Since the rotation angle of the posterior leaflet 212 is small, realization can be facilitated to include the rear portion in this way The whirlwind panel 22 of blade 212 is integrally formed, to realize that structure is simple, easy for installation and save the cost.
Preferably, the multiple cyclone that a kind of dust-exhausting port above-mentioned is open, wherein the combination type rotating air hose Front 12, combination type rotating air hose rear portion 21 and 33 system of combination type rotating wind tube outlet pipe are co-axially mounted.Using coaxial peace Equipped with being conducive to keep the pressure drop in separator to stablize, the service life of separative efficiency and extension equipment can be improved.
Meanwhile the multiple cyclone open in a kind of dust-exhausting port of the present invention, wherein can also be by the whirlwind face At least one setting is structure as a whole in plate 1, the whirlwind panel 22 and the whirlwind panel 33.
According to Figure 13 and 14: in a kind of open multiple cyclone of dust-exhausting port of the present invention, complete whirlwind Piping is by the combination type rotating air hose front 12 in the whirlwind panel 1 and is located in the whirlwind panel 22 21 bilayer combination of combination type rotating air hose rear portion form, such bilayer combination structure makes the multiple cyclone In entire tornadotron blade be also to be formed by the anterior leaflet 122 and 212 double-layer structure tandem compound of the posterior leaflet, Therefore in a kind of multiple cyclone use process for having dust-exhausting port open of the present invention, the double-deck knot in the cyclone separator The rotation angle of structure tornadotron blade is the rotation angle of the anterior leaflet 122 and the rotation angle of the posterior leaflet 212 The sum of, close to the wide-angle of 180 degree, such big angle rotary can be improved by the air in the separator sum of the two The radial velocity and tangential velocity of exotic efficiently separate exotic to realize.
In a kind of use process of the open multiple cyclone of dirt mouth of the present invention, the anterior leaflet 122 with The posterior leaflet 212 can be to one radial velocity of air and tangential velocity containing exotic, so that containing outer after combining The air for carrying out object generates high speed rotation, and exotic is thrown toward tube wall since centrifugal inertial force acts at this time, thus by described group It is formed by circular passage discharge between box-like tornadotron rear portion 21 and the combination type rotating wind tube outlet pipe 33, thus realizes The exotics such as sand and dust, sleet and salt fog in efficient removal air;Meanwhile under the clean air after removal exotic then enters Trip.It is tied due to whole tornadotron blade system using the anterior leaflet 122 and the double-deck of the posterior leaflet 212 in the present invention Structure is composed, and not only ensure that efficiently separating for exotic in air, but also reduce the whirlwind panel 1 and the whirlwind face The production of plate 22, installation difficulty, the whirlwind panel 1, the whirlwind panel 22 and the whirlwind panel 33 can be used Integrally formed production method significantly reduces the difficulty and cost of production and assembly, convenient universal use.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit claim of the invention, so It is all to change with equivalent structure made by description of the invention and diagramatic content, it is included within the scope of protection of the present invention.

Claims (8)

1. a kind of open multiple cyclone of dust-exhausting port, including whirlwind panel one (1), whirlwind panel two (2) and whirlwind Panel three (3), wherein the whirlwind panel one (1) include one shell of whirlwind panel (11), combination type rotating air hose front (12), Whirlwind panel one buckles (13) and one card slot of whirlwind panel (14), the whirlwind panel two (2) include combination type rotating air hose rear portion (21), whirlwind panel two buckles (22) and two shell of whirlwind panel (23), and the whirlwind panel two buckles (22) and the whirlwind One card slot of panel (14) is used cooperatively, and the whirlwind panel three (3) includes three shell of whirlwind panel (31), three card slot of whirlwind panel (32), combination type rotating wind tube outlet pipe (33) and dust-exhausting port (34), three card slot of whirlwind panel (32) and the whirlwind panel One buckle (13) is used cooperatively, it is characterised in that: further includes dust exhaust (4), combination type rotating air hose front (12) setting In one shell of whirlwind panel (11) and including front air inlet (121), anterior leaflet (122), front central positioning surface (123) and front side wall positioning surface (124);Combination type rotating air hose rear portion (21) is set to two shell of tornadotron (23) It is internal and including rear portion air inlet (211), posterior leaflet (212), posterior center face (213) and rear sidewall positioning surface (214); The combination type rotating wind tube outlet pipe (33) is set in three shell of whirlwind panel (31) and including exporting tube shell (331) With outlet gas outlet (332);The whirlwind panel two (2) passes through the whirlwind panel two buckle (22) and the whirlwind panel For one card slot (14) to be clamped with the whirlwind panel one (1), the whirlwind panel three (3) passes through three card slot of whirlwind panel (32) it is clamped in turn with the whirlwind panel one (1) with the whirlwind panel one buckle (13);The front central positioning surface (123) and the front side wall positioning surface (124) positions with the posterior center positioning surface (213) and the rear sidewall respectively Face (214) is bonded and forms series connection;Combination type rotating air hose front (12) and combination type rotating air hose rear portion (21) It is connected in series, the anterior leaflet (122) and the posterior leaflet (212) series connection, the dust-exhausting port (34) are set to institute It states three shell of whirlwind panel (31) bottom and is set as open, the dust-exhausting port (34) connect with dust exhaust (4), the rotation Wind panel one (1), the whirlwind panel two (2) and the whirlwind panel three (3) are disposed as integral structure.
2. a kind of open multiple cyclone of dust-exhausting port according to claim 1, it is characterised in that: the dust discharge Device (4) is set as dust accumulation box.
3. a kind of open multiple cyclone of dust-exhausting port according to claim 1 or 2, it is characterised in that: described The rotation angle of anterior leaflet (122) is less than 90 degree.
4. a kind of open multiple cyclone of dust-exhausting port according to claim 1 or 2, it is characterised in that: described The rotation angle of posterior leaflet (212) is less than 90 degree.
5. a kind of open multiple cyclone of dust-exhausting port according to claim 3, it is characterised in that: the rear portion The rotation angle of blade (212) is less than 90 degree.
6. a kind of according to claim 1, multiple cyclone that dust-exhausting port is open described in 2 or 5 any claims, It is characterized in that: combination type rotating air hose front (12), combination type rotating air hose rear portion (21) and the combination type rotating air hose Outlet (33) system is co-axially mounted.
7. a kind of open multiple cyclone of dust-exhausting port according to claim 3, it is characterised in that: the combination Formula tornadotron front (12), combination type rotating air hose rear portion (21) and combination type rotating wind tube outlet pipe (33) system are coaxially pacified Dress.
8. a kind of open multiple cyclone of dust-exhausting port according to claim 4, it is characterised in that: the combination Formula tornadotron front (12), combination type rotating air hose rear portion (21) and combination type rotating wind tube outlet pipe (33) system are coaxially pacified Dress.
CN201811210523.3A 2018-10-17 2018-10-17 A kind of multiple cyclone that dust-exhausting port is open Pending CN109162836A (en)

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CN201811210523.3A CN109162836A (en) 2018-10-17 2018-10-17 A kind of multiple cyclone that dust-exhausting port is open

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Application Number Priority Date Filing Date Title
CN201811210523.3A CN109162836A (en) 2018-10-17 2018-10-17 A kind of multiple cyclone that dust-exhausting port is open

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115282709A (en) * 2022-08-04 2022-11-04 上海震业环境科技有限公司 Salt mist filtering device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201043501Y (en) * 2007-06-01 2008-04-02 牛玲珍 Whirlwind barrel of air filter for motorcycle
US20080209869A1 (en) * 2005-07-02 2008-09-04 Thilo Rother Gas Intake Zone of a Gas Filter Housing, Used as a Prefilter
CN102821824A (en) * 2010-04-08 2012-12-12 曼·胡默尔有限公司 Cyclone separator
EP2532408A1 (en) * 2008-02-26 2012-12-12 Mann + Hummel Gmbh Air filter comprising a prefractionator
CN208934824U (en) * 2018-10-17 2019-06-04 航宇智创科技(北京)有限公司 A kind of multiple cyclone that dust-exhausting port is open

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080209869A1 (en) * 2005-07-02 2008-09-04 Thilo Rother Gas Intake Zone of a Gas Filter Housing, Used as a Prefilter
CN201043501Y (en) * 2007-06-01 2008-04-02 牛玲珍 Whirlwind barrel of air filter for motorcycle
EP2532408A1 (en) * 2008-02-26 2012-12-12 Mann + Hummel Gmbh Air filter comprising a prefractionator
CN102821824A (en) * 2010-04-08 2012-12-12 曼·胡默尔有限公司 Cyclone separator
CN208934824U (en) * 2018-10-17 2019-06-04 航宇智创科技(北京)有限公司 A kind of multiple cyclone that dust-exhausting port is open

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115282709A (en) * 2022-08-04 2022-11-04 上海震业环境科技有限公司 Salt mist filtering device

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Application publication date: 20190108