CN101994614B - Dust removal device for air filter cartridge - Google Patents
Dust removal device for air filter cartridge Download PDFInfo
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- CN101994614B CN101994614B CN 201010540774 CN201010540774A CN101994614B CN 101994614 B CN101994614 B CN 101994614B CN 201010540774 CN201010540774 CN 201010540774 CN 201010540774 A CN201010540774 A CN 201010540774A CN 101994614 B CN101994614 B CN 101994614B
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- dust removal
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Abstract
The invention relates to a dust removal device for an air filter cartridge. The dust removal device is provided with a frame, an electric control panel, a dust removal chamber with a closed structure, and a sealed dust collection device, wherein a double-roller mechanism and a nozzle guide rod mechanism capable of spraying air to remove dust inside and outside are arranged in the dust removal chamber; under the drive of an speed-adjustable motor and a feed screw nut, an inner nozzle and an outer nozzle in the nozzle guide rod mechanism can do uniform rectilinear motion to and fro inside and outside the air filter cartridge to be dedusted and uniformly apply compressed air to the internal and external surfaces of the air filter cartridge for dust removal; the dust collection device consists of a vacuum pump and a dust collection chamber positioned below the vacuum pump; and one side of the frame is provided with a detection platform for detecting whether the filter cartridge is broken or not. The dust removal device has the dust removal rate of over 95 percent, can realize dust removal and detection functions, is easy to operate and control, can blow the air uniformly in multiple directions, does not damage the air filter cartridge, is labor-saving, time-saving, safe and environmental-friendly, is favorable for protecting the body health of workers and improving labor efficiency, saves production and operation cost, and can clean and maintain various types of cylindrical air filter cartridges in engines of all Europe III buses and other transport vehicles, ships and the like.
Description
Technical field
The present invention relates to a kind of dusting apparatus for motors such as vehicles, particularly a kind of dust removal device for air filter cartridge can be used for the cleaning maintenance of all size model cylindrical shape air filtering core in the motors such as carrier, large minibus, boats and ships.
Background technique
For the various motors that use the air source of the gas, for can increasing service life of engine, reduce unnecessary wearing and tearing, adopted the cylindrical shape air filtering core of various models as the vitals of various different model motors, because the air filtering core major part of motor is paper product, when air filtering core being carried out the cleaning maintenance, the deficiency of existence has at present:
1, such as existing various motor vehicle repair points or maintenance shop, often adopt the method for artificial dedusting that air filtering core (cylinder) is maintained, the maintenance operation worker often utilizes an inflation to remove the dust of surface attachment with compressed-air actuated nozzle alignment cylindrical shape air filtering core surface impacts on the leather hose, befouling environment not only, have a strong impact on the respiratory health of workman's health, and the air pressure of inflation leather hose nozzle is difficult for controlling and controlling not science, when the air pressure that can bear above paper air filter element (annotate: the high-pressure air impact range that the motor paper air filter element can bear is limited), often air filtering core (cylinder) is caused damage, have to carry out frequent, thereby cause huge waste, take urban public traffic vehicles as example, vehicle is numerous under the Bus Group, sooner or later do not stop operation every day, it is intensive to cause hard vehicle maintenance number of times, because air filtering core (cylinder) is the vitals of motor, nearly 300 yuans of every cover price, price is more expensive, again take Fuzhou City company of Bus Group as example, because with existing maintenance technology the air filtering core that damages being changed one, the annual cost RMB that just needs has greatly increased the operation costs of public transport company more than 1,150,000 yuan undoubtedly.
2, with existing manual method technology filter core is being carried out in the dedusting servicing operations, when paper filter core has small breakage, be difficult for being found, when reusing, because filtering the dust ability, it declines to a great extent, fine dust just can be passed the cylinder that filter core enters motor like this, causes the premature wear of motor, shortens the life-span of motor.
3, in addition, use the inflation leather hose nozzle impact air blowing of existing manual method also to be difficult to multi-faceted, even air blowing, not only difficult control of air pressure because of nozzle, and control not science, damage easily filter core, cause troublesome poeration, time-consuming taking a lot of work at least must 2 above miantainers' concurrent operation guarantee maintenance quality.
To sum up, in existing dusting apparatus, also there are not the engine air filter element dusting apparatuss such as vehicle of suitable special use available.
Summary of the invention
The purpose of this invention is to provide a kind of control simple, can blow, not damage air filtering core, save labor by Multidirectional uniform the dust removal device for air filter cartridge for the engine maintaining such as vehicle and maintenance of the convenient and environmental protection sanitary of dust collection again.
Purpose of the present invention comprises also whether can conveniently regulate interior outer nozzle dedusting air pressure has the problem that has breakage with accurate fast detecting filter core (cylinder) after dust removal process, to guarantee service property (quality).
The objective of the invention is to realize with following technological scheme: this dust removal device for air filter cartridge for the engine maintaining such as vehicle and maintenance of the present invention, comprise frame, shell, electric control panel, it is characterized in that also comprising:
A, the dust chamber of one seal structure, in dust chamber, be provided with and support and drive twin-roll (two roller) mechanism of laterally installing side by side that treats dust removal filter element cylinder (at the uniform velocity) rotation and the nozzle guide-bar mechanism that can carry out to the air filtering core cylinder the horizontal installation of inside and outside jet dedusting, wherein said nozzle guide-bar mechanism is comprised of the outer nozzle guide-bar mechanism that is arranged above and below (being responsible for the filter core cylinder outer surface is carried out jet dedusting) and inner nozzle guide-bar mechanism (being responsible for jet dedusting is carried out on surface, filter core cylinder inside) institute, in described, the outer nozzle guide-bar mechanism all has a hollow stem housing that is provided with long opening slot, one is positioned at the feed screw nut and the nozzle that is fixed on the nut of hollow stem enclosure interior, this nozzle exposes the long opening slot outside of hollow stem housing, all be provided with an adjustable speed motor at each screw mandrel head end, in, outer nozzle can be made contact uniform motion in a straight line (movement) inside and outside the air filtering core cylinder for the treatment of dedusting under adjustable speed motor and feed screw nut's the drive, in order to make the pressurized gas physical efficiency act on equably the inner and outer surface of air filtering core cylinder, on the electric control panel of described frame, also be provided with for the air pressure of interior outer nozzle and adjust switch, that inside and outside nozzle air pressure scope is transferred 0.20～0.23Mpa (the high-pressure air impact range is transferred about five pounds) during work, about five minutes of dedusting time, reach the purpose of thorough dedusting;
B, one is located at the sealed type dust collecting of frame bottom, this dust collecting forms (being used for concentrating the indwelling dust) by vacuum pump and the dust collection chamber that is positioned at vacuum pump below (being built-in with water and gross porosity sponge), the suction port of its intermediate pump (suction inlet) is connected with the dust fall district chamber of described dust chamber below, and the air outlet of vacuum pump is connected with the suction port of dust collection chamber;
C, one be attached to frame one side whether have damaged monitor station for detection of filter core cylinder after dust removal process, this monitor station is provided with a rotating disk with column that is installed on the frame, top at column is provided with hand wheel, described rotating disk is to be driven by hand wheel or slow speed motor, at described column detection light source (available common electric light) is installed, on the rotating disk that the filter core cylinder after the dedusting end is socketed in column, slowly rotate rotating disk, whether observe cartridge surface with eye has light to penetrate, if dull thread penetrates, then show filter core cylinder without breakage, can continue to use.
Above-mentioned technical characteristics of the present invention can further be specially:
One, described twin-roll (two roller) mechanism is the bottom that is movably arranged on dust chamber, same end at twin-roll (two roller) is provided with the sprocket chain strip transmission mechanism, and by rack-mounted motor and sprocket chain strip transmission mechanism institute synchronous drive.
Two, described interior outer nozzle guide-bar mechanism all is fixedly to be located on (being installed in) inverted "L" shaped mounting blocks separately, above each inverted "L" shaped mounting blocks, all be fixed with a vertical nut, and be movably arranged on the vertical screw mandrel by this vertical nut, the top of each vertical screw mandrel all is positioned frame top (utilizing a plane bearing location and installation), tip portion at each vertical screw mandrel all is provided with a regulating wheel (for the manually operated type runner), when each runner of forward and reverse rotation can drive separately the forward and reverse rotation of vertical screw mandrel, thereby can drive respectively interior outer nozzle guide-bar mechanism and realize up and down displacement, with the dedusting demand of the tubular air filtering core that adapts to the different model specification.
Three, the inlet end of described interior outer nozzle all is connected with the helical air hose of retractable, each helical air hose all is socketed on the described hollow stem housing (is convenient to allow nozzle make the contact uniform motion in a straight line), and the inlet end of each helical air hose all is connected with the air feed source of the gas.
Four, on the electric control panel of described frame, also be respectively equipped with for the speed control switch of interior outer nozzle adjustable speed motor and be used for the speed control switch of twin-roll motor.
Five, described dust collection chamber is to make the structure of drawer type, is built-in with water and gross porosity sponge in dust collection chamber, has concentrated the dust of keeping somewhere with easy cleaning.
Six, this dust removal device for air filter cartridge complete machine also can be made into the structure of small handcart type, can more convenient use.
Dust removal operation method of the present invention is as follows:
1, needs according to two regulating wheels of filter core model rotation the interior outer nozzle guide rod that is arranged above and below is adjusted to suitable height distance before using, with the dedusting demand of the tubular air filtering core that adapts to the different model specification.
2, open the dust chamber door, will treat that the dust removal filter element cylinder lies in twin-roll (two roller) mechanism of installing side by side, the dust chamber door closes.
3, open the power switch (twin-roll speed control switch) that is used for the control twin-roll at the electric control panel and make the filter core cylinder Uniform roll.
4, open interior outer nozzle power supply, utilize inside and outside governing by cutting out nozzle switch, interior outer nozzle is transferred to the speed that needs.
5, open the vacuum pump exhaust.
6, open the gas main switch.
7, utilize inside and outside nozzle air pressure to adjust the air pressure that switch is regulated interior outer nozzle, suggestion transfers inside and outside nozzle air pressure scope in (the high-pressure air impact range is transferred about five pounds) about 0.20～0.23Mpa, about five minutes of dedusting time during work.
Dedusting finishes, and needs first powered-down, source of the gas, can open the dust chamber door, takes out filter core, and filter core is placed vertically on monitor station, turns on the detection lamp, slowly rotates rotating disk, and whether have light penetrate, use as then continuing without breakage if observing cartridge surface.
To sum up, working principle of the present invention is as can be known: drive two rollers (two roller) uniform rotation of installing side by side by rack-mounted motor and sprocket chain strip transmission mechanism, make and treat dust removal filter element cylinder (at the uniform velocity) rotation, opening air that vacuum pump contains dust to dust chamber inside, ceaselessly to suck dust collection indoor, inside and outside two nozzles are under adjustable speed motor and feed screw nut's drive simultaneously, inside and outside filter core cylinder, do the continuous linear motion, two nozzles act on the inner and outer surface of filter core cylinder with the pressurized air (source of the gas) of air compressor in the situation that can control current rate, thereby reach the purpose of dedusting.On monitor station, check filter core whether damaged physical property is arranged by light again at last.Utilize dust removal efficiency of the present invention to reach more than 95%; well realize dedusting, detected two large functions; control simple, can blow, not damage air filtering core by Multidirectional uniform; dust collection is convenient; save labor; safety, environmental protection, favourable protection worker is healthy, raise labour efficiency, and saves the production operation costs.The present invention can compatibility comprise Europe 3 all bus filter core dedustings, also can be used for the cleaning maintenance of the circular air filtering core of all size model in the motors such as carrier, other large minibus, boats and ships.
Description of drawings
Fig. 1 be the present invention a kind of for vehicle maintenance and maintenance the overall structure schematic representation of dust removal device for air filter cartridge.
Fig. 2 is the structural representation of monitor station mechanism among the present invention.
Fig. 3 is the structural representation of the interior or outer nozzle guide-bar mechanism that is arranged above and below among the present invention.
Fig. 4 is the drive mechanism schematic representation of horizontal twin-roll (two roller) mechanism of installing side by side among the present invention.
Fig. 5 is the structural representation of electric control panel among the present invention.
Embodiment
With reference to accompanying drawing as can be known, overall structure of the present invention is by forming with lower member: the 1--frame, the 2--shell, 3--electric control panel, the dust chamber of 4--seal structure, 5--dust chamber door knob, twin-roll (two roller) mechanism that 6--laterally installs side by side, 7--treats the dust removal filter element cylinder, 8-inner nozzle guide-bar mechanism, 9-outer nozzle guide-bar mechanism, the 10--regulating wheel (is the manually operated type runner, be used for regulating the inner nozzle guide-bar mechanism), 11--regulating wheel (manually operated type runner, be used for regulating the outer nozzle guide-bar mechanism), 12--dust collection chamber (making the structure of drawer type), the 13--vacuum pump, 14--is built in water and the gross porosity sponge in the dust collection chamber, the suction port of 15--vacuum pump (suction inlet), the dust fall district chamber of 16-dust chamber below, the air outlet of 17--vacuum pump, the 18--monitor station, the hand wheel of 19--monitor station, in 20--is used for, the air feed source of the gas of outer nozzle (being the pressurized air of air compressor), the 21--column, the rotating disk of 22--monitor station, 23--is installed in the detection light source (available common electric light) on the column, 24--twin-roll (two roller) driving mechanism, 25--sprocket chain strip transmission mechanism, 26-is used for the motor of twin-roll, the hollow stem housing of 27--nozzle guide-bar mechanism, the long opening slot of 271--hollow stem housing, 28--screw mandrel (laterally installing), the 29--nut, the 30--nozzle (is fixed on the nut, the long opening slot that exposes the hollow stem housing is outer), 31-contact switch (position limit switch), the adjustable speed motor of 32--nozzle guide rod (being installed in the screw mandrel head end), the 33-bearing, 34-inverted "L" shaped mounting blocks, 35-bearing (cross lead screw is installed to be used), the vertical nut of 36--(is located at inverted "L" shaped mounting blocks top, cooperate with vertical screw mandrel), the vertical screw mandrel of 37-, 38-plane bearing, the helical air hose of 39-retractable (being connected to the inlet end of nozzle), 40-is used for the air pressure of interior outer nozzle and adjusts switch, 41-is used for the speed control switch of interior outer nozzle, in 42-is used for, the barometer of outer nozzle, 43-is used for the speed control switch of twin-roll (two roller) motor, 44-source of the gas main switch, the 45-vacuum pump switch.
With reference to accompanying drawing, this dust removal device for air filter cartridge of the present invention comprises frame 1, shell 2, electric control panel 3, it is characterized in that also comprising:
A, the dust chamber 4 of one seal structure, in this dust chamber, be provided with and support and drive two rollers (two roller) mechanism of laterally installing side by side 6 that treats dust removal filter element cylinder 7 (evenly) rotation and the nozzle guide-bar mechanism that can carry out to the air filtering core cylinder the horizontal installation of inside and outside jet dedusting, wherein said nozzle guide-bar mechanism is comprised of the outer nozzle guide-bar mechanism 9 that is arranged above and below (being responsible for the filter core cylinder outer surface is carried out jet dedusting) and inner nozzle guide-bar mechanism 8 (being responsible for jet dedusting is carried out on surface, filter core cylinder inside) institute, in described, the outer nozzle guide-bar mechanism all has a hollow stem housing 27 that is provided with long opening slot, one is positioned at screw mandrel 28 nuts 29 and the nozzle 30 that is fixed on the nut 29 of hollow stem enclosure interior, this nozzle 30 exposes long opening slot 271 outsides of hollow stem housing, all be provided with an adjustable speed motor 32 at each screw mandrel 28 head end, interior outer nozzle 30 can be made contact uniform motion in a straight line (movement) inside and outside the air filtering core cylinder for the treatment of dedusting under adjustable speed motor 32 and feed screw nut's the drive, in order to make the pressurized gas physical efficiency act on equably the inner and outer surface of air filtering core cylinder, on the electric control panel of described frame, also be provided with for the air pressure of interior outer nozzle and adjust switch 40, that inside and outside nozzle air pressure scope is transferred 0.20～0.23Mpa (the high-pressure air impact range is transferred about five pounds) during work, about five minutes of dedusting time, reach the purpose of thorough dedusting;
B, one is located at the sealed type dust collecting (claiming again dust collection) of frame 1 bottom, this dust collecting by vacuum pump 13 and be positioned at vacuum pump 13 belows dust collection chamber 12 form (be used for concentrating keep somewhere dust), the suction port of its intermediate pump (suction inlet) 15 is connected with the dust fall district chamber 16 of described dust chamber below, and the air outlet 17 of vacuum pump is connected with the suction port of dust collection chamber 12;
C, one be attached to frame one side whether have damaged monitor station 18 for detection of filter core cylinder after dust removal process, this monitor station is provided with a rotating disk 22 with column 21 that is installed on the frame, be provided with hand wheel 19 on the top of column 21, described rotating disk 22 is to drive (accompanying drawing slightly) by hand wheel 19 or slow speed motor, at described column 21 detection light source (available common electric light) 23 is installed, during detection, filter core cylinder after dedusting finished is socketed on the rotating disk with column, slowly rotate rotating disk, whether observe cartridge surface with eye has light to penetrate, if dull thread penetrates, then show filter core cylinder without breakage, can continue to use.
Above-mentioned technical characteristics of the present invention also can further be specially:
One, described twin-roll (two roller) mechanism 6 is the bottoms that are movably arranged on dust chamber 4, same end at twin-roll (two roller) is provided with sprocket chain strip transmission mechanism 25, and by rack-mounted motor 26 and 25 synchronous drive of sprocket chain strip transmission mechanism.
Two, in described, outer nozzle guide-bar mechanism 8,9 all is fixedly to be located on (being installed in) inverted "L" shaped mounting blocks 34 separately, above each inverted "L" shaped mounting blocks 34, all be fixed with a vertical nut 36, and be movably arranged on the vertical screw mandrel 37 by this vertical nut, the top of each vertical screw mandrel all is positioned frame top (utilizing a plane bearing 38 location and installation), all being provided with a regulating wheel in the tip portion of each vertical screw mandrel (is manually operated type runner 10,11), when each regulating wheel of forward and reverse rotation, can drive the forward and reverse rotation of vertical screw mandrel separately, thereby can drive respectively interior outer nozzle guide-bar mechanism 8,9 realize up and down displacement, with the dedusting demand of the tubular air filtering core that adapts to the different model specification.
Three, the inlet end of described interior outer nozzle 30 all is connected with the helical air hose 39 of retractable, each helical air hose all is socketed on the described hollow stem housing 27 (is convenient to allow nozzle make the contact uniform motion in a straight line), and the inlet end of each helical air hose all is connected with air feed source of the gas 20.
Four, on the electric control panel 3 of described frame, also be respectively equipped with for the speed control switch 41 of interior outer nozzle adjustable speed motor and be used for the speed control switch 43 of twin-roll motor.
Five, described dust collection chamber 12 is to make the structure of drawer type, is built-in with water and gross porosity sponge 14 in dust collection chamber 12, has concentrated the dust of keeping somewhere with easy cleaning.
Six, this dust removal device for air filter cartridge complete machine also can be made into the structure of small handcart type, can more convenient use (accompanying drawing slightly).
The collecting of electrical controls of the present invention can adopt 12V light current voltage, can realize better that dedusting function reaches whether having damaged filter core to carry out the function that physical property obtains checking at monitor station.
It is of the present invention that not state part same as the prior art.
Claims (7)
1. a dust removal device for air filter cartridge comprises frame (1), shell, electric control panel, it is characterized in that also comprising:
A, the dust chamber of one seal structure (4), in this dust chamber, be provided with and support and drive the twin-roll mechanism (6) of laterally installing side by side that treats dust removal filter element cylinder (7) rotation and the nozzle guide-bar mechanism that can carry out to the air filtering core cylinder the horizontal installation of inside and outside jet dedusting, wherein said nozzle guide-bar mechanism is comprised of the outer nozzle guide-bar mechanism (9) that is arranged above and below and inner nozzle guide-bar mechanism (8), in described, the outer nozzle guide-bar mechanism all has a hollow stem housing (27) that is provided with long opening slot, one is positioned at the feed screw nut and the nozzle (30) that is fixed on the nut (29) of hollow stem enclosure interior, this nozzle (30) exposes long opening slot (271) outside of hollow stem housing, all be provided with an adjustable speed motor (32) at each screw mandrel (28) head end, interior outer nozzle (30) can be made the contact uniform motion in a straight line inside and outside the air filtering core cylinder for the treatment of dedusting under adjustable speed motor (32) and feed screw nut's the drive, make the pressurized gas physical efficiency act on equably the inner and outer surface of air filtering core cylinder, on the electric control panel of described frame, also be provided with for the air pressure of interior outer nozzle and adjust switch (40), inside and outside nozzle air pressure scope is to transfer at 0.20～0.23Mpa about five minutes of dedusting time during work;
B, one is located at the sealed type dust collecting of frame bottom, this dust collecting by vacuum pump (13) and be positioned at vacuum pump below dust collection chamber (12) form, the suction port of its intermediate pump (15) is connected with the dust fall district chamber (16) of described dust chamber below, and the air outlet of vacuum pump (17) are connected with the suction port of dust collection chamber;
C, one be attached to frame one side for detection of filter core cylinder damaged monitor station (18) whether, this monitor station is provided with a rotating disk with column (21) (22) that is installed on the frame, be provided with hand wheel (19) on the top of column (21), described rotating disk (22) is to be driven by hand wheel (19) or slow speed motor, at described column detection light source (23) is installed.
2. dust removal device for air filter cartridge according to claim 1, it is characterized in that: described twin-roll mechanism (6) is the bottom that is movably arranged on dust chamber (4), same end at twin-roll is provided with sprocket chain strip transmission mechanism (25), and by rack-mounted motor (26) and sprocket chain strip transmission mechanism (25) institute synchronous drive.
3. dust removal device for air filter cartridge according to claim 1, it is characterized in that: in described, outer nozzle guide-bar mechanism (8,9) all be on the inverted "L" shaped mounting blocks (34) that fixedly is located at separately, above each inverted "L" shaped mounting blocks, all be fixed with a vertical nut (36), and be movably arranged on the vertical screw mandrel (37) by this vertical nut, the top of each vertical screw mandrel all is positioned the frame top, tip portion at each vertical screw mandrel all is provided with a regulating wheel, each regulating wheel of forward and reverse rotation can drive the forward and reverse rotation of vertical screw mandrel separately.
4. dust removal device for air filter cartridge according to claim 1, it is characterized in that: the inlet end of described interior outer nozzle (30) all is connected with the helical air hose (39) of retractable, each helical air hose all is socketed on the described hollow stem housing (27), and the inlet end of each helical air hose all is connected with air feed source of the gas (20).
5. dust removal device for air filter cartridge according to claim 1 is characterized in that: be respectively equipped with for the speed control switch (41) of the adjustable speed motor of interior outer nozzle and be used for the speed control switch (43) of the motor of twin-roll at described electric control panel.
6. dust removal device for air filter cartridge according to claim 1, it is characterized in that: described dust collection chamber (12) is the structure of making drawer type, is built-in with water and gross porosity sponge (14) in dust collection chamber (12).
7. dust removal device for air filter cartridge according to claim 1, it is characterized in that: this dust removal device for air filter cartridge complete machine is the structure of making small handcart type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010540774 CN101994614B (en) | 2010-11-11 | 2010-11-11 | Dust removal device for air filter cartridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010540774 CN101994614B (en) | 2010-11-11 | 2010-11-11 | Dust removal device for air filter cartridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101994614A CN101994614A (en) | 2011-03-30 |
| CN101994614B true CN101994614B (en) | 2013-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010540774 Expired - Fee Related CN101994614B (en) | 2010-11-11 | 2010-11-11 | Dust removal device for air filter cartridge |
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| Country | Link |
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| CN (1) | CN101994614B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233834B (en) * | 2013-05-22 | 2015-07-01 | 靖江市宝联人工环境设备有限公司 | Air filter deduster |
| CN104358635B (en) * | 2014-10-29 | 2017-07-07 | 中国北车集团大连机车车辆有限公司 | Diesel locomotive close-coupled inertia air filter |
| CN105952553B (en) * | 2016-06-23 | 2018-09-04 | 内蒙古包钢钢联股份有限公司 | Air cleaner dust-extraction unit |
| CN112901381B (en) * | 2021-02-01 | 2022-04-15 | 河南平和滤清器有限公司 | Air filter for automobile |
| CN117949360B (en) * | 2024-03-27 | 2024-06-04 | 山东三箭工程检测有限公司 | Engineering construction dust detection device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4585019A (en) * | 1984-06-08 | 1986-04-29 | Jacobson Dwight W | Heavy duty air filter reconditioning system |
| EP0506171A1 (en) * | 1991-03-29 | 1992-09-30 | COFISE S.p.A. | Pneumatic device for cleaning air filters |
| CN200964912Y (en) * | 2006-10-20 | 2007-10-24 | 首钢总公司 | Air cleaner dust-removing machine |
-
2010
- 2010-11-11 CN CN 201010540774 patent/CN101994614B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4585019A (en) * | 1984-06-08 | 1986-04-29 | Jacobson Dwight W | Heavy duty air filter reconditioning system |
| EP0506171A1 (en) * | 1991-03-29 | 1992-09-30 | COFISE S.p.A. | Pneumatic device for cleaning air filters |
| CN200964912Y (en) * | 2006-10-20 | 2007-10-24 | 首钢总公司 | Air cleaner dust-removing machine |
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| CN101994614A (en) | 2011-03-30 |
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