CN107654322B - A kind of mechanical equipment filter device - Google Patents
A kind of mechanical equipment filter device Download PDFInfo
- Publication number
- CN107654322B CN107654322B CN201710956181.9A CN201710956181A CN107654322B CN 107654322 B CN107654322 B CN 107654322B CN 201710956181 A CN201710956181 A CN 201710956181A CN 107654322 B CN107654322 B CN 107654322B
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- Prior art keywords
- filter
- mechanical equipment
- reinforcing bar
- slot
- welded
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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
- F02M35/024—Air cleaners using filters, e.g. moistened
- F02M35/02416—Fixing, mounting, supporting or arranging filter elements; Filter element cartridges
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a kind of mechanical equipment filter devices, including air inlet pipe, the inside of the air inlet pipe is equipped with the annular mounting groove of top setting opening, filter ring is slidably fitted in the annular mounting groove, the filter ring is equipped with cylindrical hole, multiple filter cores are installed on the side wall of the cylindrical hole, symmetrically arranged accommodating groove there are two being opened up on the side wall of the annular mounting groove, reinforcing bar is hinged on the side inner wall that two accommodating grooves are located remotely from each other, the reinforcing bar is located at the top of filter ring, two reinforcing bar sides close to each other all extend in annular mounting groove, regulating tank is offered on the side inner wall that two accommodating grooves are located remotely from each other, sliding block is slidably fitted in the regulating tank, the sliding block is located at the top of reinforcing bar.Practical performance of the present invention is high, and structure is simple, easy to operate, can reinforce to filter ring, and can disassemble filter ring from air inlet pipe, consequently facilitating cleaning to filter core.
Description
Technical field
The present invention relates to the filter device technical field of mechanical equipment more particularly to a kind of mechanical equipment filter devices.
Background technique
With the development of the social economy, the raising of mechanization degree, industrial machine is more and more, effectively increases work
Efficiency, and filter is the necessary parts of these industrial machines, the effect of filter is: engine will be inhaled during the work time
Into a large amount of air, if air, without filtering, the dust to suspend in air is inhaled into cylinder, will accelerate piston group and
Engine is effectively protected in breathing process not in the abrasion of cylinder, and the filter core in filter can filter the air
Undermined, the patent document of Patent No. CN105756817A provides a kind of mechanical equipment filter device, true in this structure
The setting of sky cover can effectively help to filter, and so that the effect of filtering is improved several times, while by installing extension pipe in air inlet,
And spiral camber structure is used, it is effectively reduced the dust amount sucked during the work time, filter core blocking is avoided, improves
The service life of engine and the service life of complete machine, and reduce failure rate, the working life of engineering goods is extended, in order to filter
Core can be normally carried out filtering, need to carry out filter core periodic cleaning, but this structure is not easy to carry out disassembly, cleaning to filter core,
And be not easy to reinforce the position of filter core, it will affect the normal filtration function of filter core, therefore we have proposed a kind of machinery
If redundant filter device is for solving the above problems.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of mechanical equipment filter devices.
The inside of a kind of mechanical equipment filter device proposed by the present invention, including air inlet pipe, the air inlet pipe is equipped with top
The annular mounting groove of opening is arranged in portion, and filter ring is slidably fitted in the annular mounting groove, and the filter ring is equipped with cylindrical hole,
Multiple filter cores are installed on the side wall of the cylindrical hole, are opened up on the side wall of the annular mounting groove there are two symmetrically arranged
Accommodating groove is hinged with reinforcing bar on the side inner wall that two accommodating grooves are located remotely from each other, and the reinforcing bar is located at the top of filter ring,
Two reinforcing bar sides close to each other all extend in annular mounting groove, on the side inner wall that two accommodating grooves are located remotely from each other
Regulating tank is offered, sliding block is slidably fitted in the regulating tank, the sliding block is located at the top of reinforcing bar, and two sliding blocks are mutual
Close side is hinged with draw bar, and the bottom end of the draw bar is rotatably installed in corresponding reinforcing bar, the adjusting
Push-rod electric machine is installed in the top inner wall of slot, the output shaft of the push-rod electric machine is mutually welded with the top of corresponding sliding block,
The bottom of the reinforcing bar offers sliding slot, and slide plate is slidably fitted in the sliding slot, and the bottom of the slide plate is fixedly installed with
Stepper motor, is welded with screw rod on the output shaft of stepper motor, and the outside screw of the screw rod is equipped with fixed plate, fixed plate with
The side wall of sliding slot mutually welds, and the lower rotation of the screw rod is equipped with pushing block, and sleeve column is slidably fitted on the outside of pushing block, set
Column is slidably connected with corresponding sliding slot, and the bottom of the sleeve column is welded with hemispherical reinforcement block, opens up at the top of the filter ring
There are two symmetrically arranged hemispherical reinforcement tank, hemispherical reinforcement tank is matched with hemispherical reinforcement block.
Preferably, promotion slot is offered at the top of the sleeve column, pushing the cross section of slot is rectangular configuration, the pushing block
It is slidably connected with corresponding promotion slot, is welded with reinforcing spring in the bottom interior wall for pushing slot, reinforces the top of spring
It is mutually welded with the bottom of corresponding pushing block.
Preferably, the cross section of the sliding slot and the cross section of sleeve column are rectangular configuration.
Preferably, the two sides inner wall of the sliding slot offers limiting slot, and the two sides of the slide plate are welded with limit plate,
Limit plate is slidably connected with corresponding limiting slot.
Preferably, screw thread is equipped with stripper in the top inner wall of the regulating tank, the bottom of the stripper and opposite
It mutually welds at the top for the stepper motor answered.
Preferably, limited block, the top of the limited block are welded on the side inner wall that two regulating tanks are located remotely from each other
It is touched with the bottom connection of corresponding sliding block.
Preferably, it is welded with bearing at the top of the reinforcing bar, shaft, the traction are welded on the inner ring of the bearing
It is mutually welded with corresponding shaft the bottom end of bar.
Preferably, the fixed plate is equipped with threaded hole, and the screw rod is threadedly coupled with corresponding threaded hole.
Preferably, the quantity of the filter core is three to five, and three to five filter core equidistantly distributeds are on filter ring.
Preferably, the bottom and outside of the filter ring are fixedly installed with sealing ring, and two sealing rings are installed with annular
Slot sealing cooperation.
Compared with prior art, the beneficial effects of the present invention are: by sliding slot, slide plate, stepper motor, screw rod, fixed plate,
Pushing block, hemispherical reinforcement block, hemispherical reinforcement tank, pushes slot and reinforcing spring to match at sleeve column, convenient for carrying out to pushing block
It is mobile, so as to be reinforced to filter ring, by air inlet pipe, annular mounting groove, filter ring, cylindrical hole, filter core, accommodating groove,
Reinforcing bar, regulating tank, sliding block, push-rod electric machine and draw bar match, and can take in reinforcing bar in accommodating groove, can will filter ring from
It is disassembled in air inlet pipe, convenient for being cleaned to filter core.
Practical performance of the present invention is high, and structure is simple, easy to operate, can reinforce to filter ring, and can will filter ring from
It is disassembled in air inlet pipe, consequently facilitating being cleaned to filter core.
Detailed description of the invention
Fig. 1 is a kind of schematic cross-sectional view of mechanical equipment filter device proposed by the present invention；
Fig. 2 is a kind of schematic cross-sectional view of the part A of mechanical equipment filter device proposed by the present invention；
Fig. 3 is a kind of schematic cross-sectional view of the part B of mechanical equipment filter device proposed by the present invention；
Fig. 4 is a kind of partial enlarged view of the part B of mechanical equipment filter device proposed by the present invention；
Fig. 5 is a kind of schematic cross-sectional view of the C portion of mechanical equipment filter device proposed by the present invention.
In figure: 1 air inlet pipe, 2 annular mounting grooves, 3 filter rings, 4 cylindrical holes, 5 filter cores, 6 accommodating grooves, 7 reinforcing bars, 8 are adjusted
Slot, 9 sliding blocks, 10 push-rod electric machines, 11 draw bars, 12 sliding slots, 13 slide plates, 14 stepper motors, 15 screw rods, 16 fixed plates, 17 push
Block, 18 sleeve columns, 19 hemispherical reinforcement blocks, 20 hemispherical reinforcement tanks, 21 push slot, 22 to reinforce spring.
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
Embodiment
With reference to Fig. 1-5, a kind of mechanical equipment filter device, including air inlet pipe 1, air inlet pipe 1 are proposed in the present embodiment
Inside be equipped with the annular mounting groove 2 of top setting opening, filter ring 3 is slidably fitted in annular mounting groove 2, filter ring 3 is equipped with
Cylindrical hole 4 is equipped with multiple filter cores 5 on the side wall of cylindrical hole 4, opens up that there are two symmetrical on the side wall of annular mounting groove 2
The accommodating groove 6 of setting, reinforcing bar 7 is hinged on the side inner wall that two accommodating grooves 6 are located remotely from each other, and reinforcing bar 7 is located at filter ring 3
Top, two sides close to each other of reinforcing bar 7 all extend in annular mounting groove 2, two accommodating grooves 6 be located remotely from each other one
Regulating tank 8 is offered on the inner wall of side, is slidably fitted with sliding block 9 in regulating tank 8, sliding block 9 is located at the top of reinforcing bar 7, and two
The side close to each other of sliding block 9 is hinged with draw bar 11, and the bottom end of draw bar 11 is rotatably installed in corresponding reinforcing bar 7
On, push-rod electric machine 10, the top of the output shaft of push-rod electric machine 10 and corresponding sliding block 9 are installed in the top inner wall of regulating tank 8
Portion is mutually welded, and the bottom of reinforcing bar 7 offers sliding slot 12, and slide plate 13 is slidably fitted in sliding slot 12, and the bottom of slide plate 13 is fixed
Stepper motor 14 is installed, screw rod 15 is welded on the output shaft of stepper motor 14, the outside screw of screw rod 15 is equipped with fixation
Plate 16, fixed plate 16 and the side wall of sliding slot 12 mutually weld, and the lower rotation of screw rod 15 is equipped with pushing block 17, pushing block 17 it is outer
Slideslip is equipped with sleeve column 18, and sleeve column 18 is slidably connected with corresponding sliding slot 12, and the bottom of sleeve column 18 is welded with hemispherical and adds
Gu block 19, the top of filter ring 3 is opened up there are two symmetrically arranged hemispherical reinforcement tank 20, and hemispherical reinforcement tank 20 adds with hemispherical
Gu block 19 matches, in sliding slot 12, slide plate 13, stepper motor 14, screw rod 15, fixed plate 16, pushing block 17, sleeve column 18, hemisphere
Shape reinforcement block 19, hemispherical reinforcement tank 20 push slot 21 and reinforce under the cooperation of spring 22, convenient for moving to pushing block 17
It is dynamic, so as to be reinforced to filter ring 3, in air inlet pipe 1, annular mounting groove 2, filter ring 3, cylindrical hole 4, filter core 5, accommodating groove
6, under the cooperation of reinforcing bar 7, regulating tank 8, sliding block 9, push-rod electric machine 10 and draw bar 11, reinforcing bar 7 can be taken in storage
In slot 6, filter ring 3 can be disassembled from air inlet pipe 1, convenient for cleaning to filter core 5, practical performance of the present invention is high, structure
Simply, easy to operate, filter ring 3 can be reinforced, and filter ring 3 can be disassembled from air inlet pipe 1, consequently facilitating right
Filter core 5 is cleaned.
In the present embodiment, the top of sleeve column 18, which offers, pushes slot 21, and pushing the cross section of slot 21 is rectangular configuration, pushes
Block 17 is slidably connected with corresponding promotion slot 21, pushes to be welded in the bottom interior wall of slot 21 and reinforces spring 22, reinforces spring
22 top is mutually welded with the bottom of corresponding pushing block 17, and the cross section of sliding slot 12 and the cross section of sleeve column 18 are rectangle
Structure, the two sides inner wall of sliding slot 12 offer limiting slot, and the two sides of slide plate 13 are welded with limit plate, limit plate with it is corresponding
Limiting slot be slidably connected, screw thread is equipped with stripper in the top inner wall of regulating tank 8, the bottom of stripper and corresponding step
It is mutually welded into the top of motor 14, limited block, the top of limited block is welded on the side inner wall that two regulating tanks 8 are located remotely from each other
Portion is touched with the bottom connection of corresponding sliding block 9, and the top of reinforcing bar 7 is welded with bearing, is welded with shaft on the inner ring of bearing,
The bottom end of draw bar 11 is mutually welded with corresponding shaft, and fixed plate 16 is equipped with threaded hole, screw rod 15 and corresponding screw thread
Hole is threadedly coupled, and the quantity of filter core 5 is three to five, and three to five 5 equidistantly distributeds of filter core filter the bottom of ring 3 on filter ring 3
Portion and outside are fixedly installed with sealing ring, and two sealing rings, which are sealed with annular mounting groove 2, to be cooperated, sliding slot 12, slide plate 13,
Stepper motor 14, fixed plate 16, pushing block 17, sleeve column 18, hemispherical reinforcement block 19, hemispherical reinforcement tank 20, pushes screw rod 15
Under the cooperation of slot 21 and reinforcing spring 22, convenient for being moved to pushing block 17, so as to be reinforced to filter ring 3,
Air inlet pipe 1, annular mounting groove 2, filter ring 3, cylindrical hole 4, filter core 5, accommodating groove 6, reinforcing bar 7, regulating tank 8, sliding block 9, push rod
Under the cooperation of motor 10 and draw bar 11, reinforcing bar 7 can be taken in accommodating groove 6, filter ring 3 can be torn open from air inlet pipe 1
It unloads down, convenient for cleaning to filter core 5, practical performance of the present invention is high, and structure is simple, and it is easy to operate, filter ring 3 can be carried out
It reinforces, and filter ring 3 can be disassembled from air inlet pipe 1, consequently facilitating being cleaned to filter core 5.
In the present embodiment, in use, start stepper motor 14 when needing to reinforce filter ring 3, stepper motor 14
Output shaft drives screw rod 15, and screw rod 15 is rotated in fixed plate 16 by threaded hole, and screw rod 15 drives pushing block 17 at this time
It moves down, and pushing block 17 is rotated on screw rod 15, pushing block 17 drives sleeve column 18 to moving down by reinforcing spring 22
Dynamic, so that the slide downward in sliding slot 12 of sleeve column 18, the slide downward in sliding slot 12 of slide plate 13, sleeve column 18 drive hemispherical at this time
Reinforcement block 19 moves down, so that hemispherical reinforcement block 19 is caught in corresponding hemispherical reinforcement tank 20, screw rod 15 continues to turn
Dynamic, so that pushing block 17 downwards compresses reinforcing spring 22,19 pairs of filter rings 3 of hemispherical reinforcement block are squeezed at this time, real
The reinforcing to filter ring 3 is showed, has closed stepper motor 14, when filter core 5 is using overlong time, has needed to carry out filter core 5 to dismantle clear
It washes, starts stepper motor 14 at this time, the output shaft opposite direction of stepper motor 14 is rotated, so that pushing block 17 is moved upwards
It is dynamic, so that sleeve column 18 be taken in corresponding sliding slot 12, stepper motor 14 is closed, starts push-rod electric machine 10, push-rod electric machine 10
Output shaft band movable slider 9 moved upwards, sliding block 9 is slided in regulating tank 8 at this time, and sliding block 9 passes through traction
Bar 11 drives reinforcing bar 7 to be rotated, so that reinforcing bar 7 is taken in corresponding accommodating groove 6, releases the limitation to filter ring 3, can
Filter ring 3 is taken out out of annular mounting groove 2, so as to be cleaned to filter core 5.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of mechanical equipment filter device, including air inlet pipe (1), which is characterized in that the inside of the air inlet pipe (1) is equipped with
The annular mounting groove (2) of top setting opening, the annular mounting groove (2) is interior to be slidably fitted with filter ring (3), the filter ring (3)
It is equipped with cylindrical hole (4), is equipped with multiple filter cores (5) on the side wall of the cylindrical hole (4), the annular mounting groove (2)
Side wall on open up there are two symmetrically arranged accommodating groove (6), it is hinged on the side inner wall that two accommodating grooves (6) are located remotely from each other
Have reinforcing bar (7), the reinforcing bar (7) is located at the top of filter ring (3), and two reinforcing bar (7) sides close to each other extend
In to annular mounting groove (2), regulating tank (8), the adjusting are offered on the side inner wall that two accommodating grooves (6) are located remotely from each other
It is slidably fitted with sliding block (9) in slot (8), the sliding block (9) is located at the top of reinforcing bar (7), and two sliding blocks (9) are close to each other
Side is hinged with draw bar (11), and the bottom end of the draw bar (11) is rotatably installed on corresponding reinforcing bar (7), described
It is equipped in the top inner wall of regulating tank (8) push-rod electric machine (10), the output shaft of the push-rod electric machine (10) and corresponding cunning
The top of block (9) is mutually welded, and the bottom of the reinforcing bar (7) offers sliding slot (12), is slidably fitted in the sliding slot (12)
The bottom of slide plate (13), the slide plate (13) is fixedly installed with stepper motor (14), is welded on the output shaft of stepper motor (14)
Have screw rod (15), the outside screw of the screw rod (15) is equipped with fixed plate (16), the side wall of fixed plate (16) and sliding slot (12)
It mutually welds, the lower rotation of the screw rod (15) is equipped with pushing block (17), and pushing block is slidably fitted with sleeve column on the outside of (17)
(18), sleeve column (18) is slidably connected with corresponding sliding slot (12), and the bottom of the sleeve column (18) is welded with hemispherical reinforcement block
(19), opened up at the top of the filter ring (3) there are two symmetrically arranged hemispherical reinforcement tank (20), hemispherical reinforcement tank (20) with
Hemispherical reinforcement block (19) matches.
2. a kind of mechanical equipment filter device according to claim 1, which is characterized in that the top of the sleeve column (18)
It offers and pushes slot (21), pushing the cross section of slot (21) is rectangular configuration, the pushing block (17) and corresponding promotion slot
(21) it is slidably connected, is welded in the bottom interior wall for pushing slot (21) and reinforces spring (22), reinforce the top of spring (22)
It is mutually welded with the bottom of corresponding pushing block (17).
3. a kind of mechanical equipment filter device according to claim 1, which is characterized in that the sliding slot (12) it is transversal
Face and the cross section of sleeve column (18) are rectangular configuration.
4. a kind of mechanical equipment filter device according to claim 1, which is characterized in that the two sides of the sliding slot (12)
Inner wall offers limiting slot, and the two sides of the slide plate (13) are welded with limit plate, and limit plate is sliding with corresponding limiting slot
Dynamic connection.
5. a kind of mechanical equipment filter device according to claim 1, which is characterized in that the top of the regulating tank (8)
Screw thread is equipped with stripper on portion's inner wall, and the bottom of the stripper is mutually welded with the top of corresponding stepper motor (14).
6. a kind of mechanical equipment filter device according to claim 1, which is characterized in that two regulating tanks (8) are mutual
Limited block is welded on separate side inner wall, the top of the limited block is touched with the bottom connection of corresponding sliding block (9).
7. a kind of mechanical equipment filter device according to claim 1, which is characterized in that the top of the reinforcing bar (7)
Portion is welded with bearing, is welded with shaft on the inner ring of the bearing, the bottom end of the draw bar (11) and corresponding shaft phase
Welding.
8. a kind of mechanical equipment filter device according to claim 1, which is characterized in that set on the fixed plate (16)
There is threaded hole, the screw rod (15) is threadedly coupled with corresponding threaded hole.
9. a kind of mechanical equipment filter device according to claim 1, which is characterized in that the quantity of the filter core (5)
It is three to five, and three to five filter core (5) equidistantly distributeds are in filter ring (3).
10. a kind of mechanical equipment filter device according to claim 1, which is characterized in that the bottom of filter ring (3)
It is fixedly installed with sealing ring with outside, two sealing rings, which are sealed with annular mounting groove (2), to be cooperated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710956181.9A CN107654322B (en) | 2017-10-15 | 2017-10-15 | A kind of mechanical equipment filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710956181.9A CN107654322B (en) | 2017-10-15 | 2017-10-15 | A kind of mechanical equipment filter device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107654322A CN107654322A (en) | 2018-02-02 |
| CN107654322B true CN107654322B (en) | 2019-07-12 |
Family
ID=61118746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710956181.9A Active CN107654322B (en) | 2017-10-15 | 2017-10-15 | A kind of mechanical equipment filter device |
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| Country | Link |
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| CN (1) | CN107654322B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108379924A (en) * | 2018-04-07 | 2018-08-10 | 边会婷 | A kind of multiple purifying sewage disposal device |
| CN109028753B (en) * | 2018-08-14 | 2020-10-13 | 于涛 | Liquefied natural gas evaporation gas reliquefaction and recovery device |
| CN110682770B (en) * | 2019-10-30 | 2020-12-01 | 中国北方车辆研究所 | Multi-row multi-column circular filter element pressing mechanism |
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|---|---|---|---|---|
| JPH08121272A (en) * | 1994-10-27 | 1996-05-14 | Tsuchiya Mfg Co Ltd | Mounting device for filter member |
| KR20020053722A (en) * | 2000-12-27 | 2002-07-05 | 이계안 | Method for manufacturing intake port to generate variable tumble flow |
| JP2012117730A (en) * | 2010-11-30 | 2012-06-21 | Daikin Industries Ltd | Drive circuit |
| KR101415396B1 (en) * | 2013-06-28 | 2014-07-04 | 쌍용자동차 주식회사 | air cleaner for automobile |
| CN203928184U (en) * | 2014-06-26 | 2014-11-05 | 北京农众物联科技有限公司 | Air cleaning EGR |
| CN204804795U (en) * | 2015-05-18 | 2015-11-25 | 中国石油大学(华东) | Energy -conserving water injection supercharging equipment of two effects of oil well |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7569090B2 (en) * | 2004-11-12 | 2009-08-04 | Donaldson Company, Inc. | Method of forming filter arrangements; and, apparatus |
-
2017
- 2017-10-15 CN CN201710956181.9A patent/CN107654322B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08121272A (en) * | 1994-10-27 | 1996-05-14 | Tsuchiya Mfg Co Ltd | Mounting device for filter member |
| KR20020053722A (en) * | 2000-12-27 | 2002-07-05 | 이계안 | Method for manufacturing intake port to generate variable tumble flow |
| JP2012117730A (en) * | 2010-11-30 | 2012-06-21 | Daikin Industries Ltd | Drive circuit |
| KR101415396B1 (en) * | 2013-06-28 | 2014-07-04 | 쌍용자동차 주식회사 | air cleaner for automobile |
| CN203928184U (en) * | 2014-06-26 | 2014-11-05 | 北京农众物联科技有限公司 | Air cleaning EGR |
| CN204804795U (en) * | 2015-05-18 | 2015-11-25 | 中国石油大学(华东) | Energy -conserving water injection supercharging equipment of two effects of oil well |
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| Publication number | Publication date |
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| CN107654322A (en) | 2018-02-02 |
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Effective date of registration: 20190611 Address after: 518106 15 Building 9-2 Tangming Avenue, Tangwei Community, Gongming Office, Guangming New District, Shenzhen City, Guangdong Province Applicant after: Guangzhou Steel Linde Gas (Shenzhen) Co., Ltd. Address before: 511450 B 1901, Wanda Plaza, Nansha District, Guangzhou, Guangdong. Applicant before: Luo Houzhen |
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Address after: Floor 1-2, building 15, No. 9-2, Tangming Avenue, Tangwei community, Fenghuang street, Guangming District, Shenzhen City, Guangdong Province Patentee after: Guanggang gas (Shenzhen) Co., Ltd Address before: 518106 15 Building 9-2 Tangming Avenue, Tangwei Community, Gongming Office, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Guangzhou Steel Linde Gas (Shenzhen) Co.,Ltd. |
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