CN107754455A - Filter cleaner - Google Patents
Filter cleaner Download PDFInfo
- Publication number
- CN107754455A CN107754455A CN201711132059.6A CN201711132059A CN107754455A CN 107754455 A CN107754455 A CN 107754455A CN 201711132059 A CN201711132059 A CN 201711132059A CN 107754455 A CN107754455 A CN 107754455A
- Authority
- CN
- China
- Prior art keywords
- drive
- guide rail
- filter cleaner
- assembly
- cleaning
- 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
Links
- 238000004140 cleaning Methods 0.000 claims abstract description 72
- 230000000712 assembly Effects 0.000 claims description 20
- 238000000429 assembly Methods 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000007921 spray Substances 0.000 claims description 13
- 230000033001 locomotion Effects 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D41/00—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids
- B01D41/04—Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids of rigid self-supporting filtering material
Abstract
The present invention discloses a kind of filter cleaner.The filter cleaner includes guide rail (1) and cleaning unit, cleaning unit includes the cleaning assembly (2) being slidably arranged on guide rail (1), cleaning assembly (2) includes sparge pipe component (3) and jet tube assembly (4), and sparge pipe component (3) selectively connects with jet tube assembly (4).According to the filter cleaner of the present invention, it is possible to increase high to the cleaning performance of filter, cleaning efficiency.
Description
Technical field
The present invention relates to filter cleaning equipment technology field, in particular to a kind of filter cleaner.
Background technology
In assembled air-conditioner, filter in air pollution serious today, is particularly susceptible dirty as a kind of dust arrester
It is stifled, cause air quality to be deteriorated, air quantity is reduced, and blower fan electricity becomes big, and therefore, often spending certain time just needs to clean filter.
Traditional Man cleaning is wasted time and energy, and cost is higher, and some units, because installation site relation, artificial unloading's cleaning is relatively more tired
Difficulty, therefore cause cleaning filter inconvenient, cleaning efficiency is relatively low.
Existing cleaning device is typically rinsed using clear water, but when clear water flushing pressure is too small, can cause cleaning performance compared with
Difference, it when pressure is excessive, can cause that The water splash in all directions, surrounding environment be polluted, accordingly, it is difficult to ensure in suitable pressure condition
Under good cleaning performance is formed to filter.
The content of the invention
A kind of filter cleaner is provided in the embodiment of the present invention, it is possible to increase to the cleaning performance of filter, cleaning
Efficiency high.
To achieve the above object, the embodiment of the present invention provides a kind of filter cleaner, including guide rail and cleaning unit,
Cleaning unit includes the cleaning assembly being slidably arranged on guide rail, and cleaning assembly includes sparge pipe component and jet tube assembly, sprays
Conduit assembly selectively connects with jet tube assembly.
Preferably, sparge pipe component and the spout of jet tube assembly are towards filter to be cleaned.
Preferably, cleaning unit also includes lance holder and drive device, and drive device driving cleaning unit is transported along guide rail
Dynamic, lance holder is fixedly installed on the drive means, and cleaning assembly is fixedly installed on lance holder.
Preferably, filter cleaner also includes dash unit, and dash unit is arranged on the water spray road of sparge pipe component
On footpath, for stopping the current of sparge pipe component ejection, filter is arranged between cleaning unit and dash unit.
Preferably, dash unit also includes drive device, roller shutter support, driving shaft of shutter, roller shutter and roller shutter fixing axle, volume
Curtain fixing axle is fixedly installed on one end of guide rail, and one end of roller shutter is fixedly connected in roller shutter fixing axle, the other end of roller shutter around
It is located on driving shaft of shutter, driving shaft of shutter is by roller shutter support and drive device drive connection, to wind or deploy roller shutter.
Preferably, drive device includes motor, drive shaft assembly and drive wheel assemblies, and drive wheel assemblies, which are arranged on, to be led
In rail, motor drives guided rotation of the driving wheel along guide rail by drive shaft assembly.
Preferably, guide rail is two, and the guide groove of two guide rails mutually deviates from, and drive wheel assemblies are caught in guide groove.
Preferably, the output end of motor is provided with drive bevel gear, and drive shaft assembly includes first rotating shaft and setting
Driven wheel of differential and the first drive gear in first rotating shaft, drive wheel assemblies include the second rotating shaft, are arranged on the second rotating shaft
Both ends travel wheel and the first driven gear for being arranged between two travel wheels, driven wheel of differential and drive bevel gear are nibbled
Close, the first driven gear and the engagement of the first drive gear, travel wheel are arranged in guide rail.
Preferably, the output end of motor is provided with drive bevel gear, and drive shaft assembly includes first rotating shaft and setting
Travel wheel and the driven wheel of differential that is arranged between two travel wheels at the both ends of first rotating shaft, driven wheel of differential and initiative taper
Gear engages.
Preferably, drive device also includes driven wheel assembly, and driven wheel assembly is arranged in guide rail, and in drive wheel assemblies
Drive under move.
Apply the technical scheme of the present invention, filter cleaner includes guide rail and cleaning unit, and cleaning unit includes sliding
The dynamic cleaning assembly being arranged on guide rail, cleaning assembly include sparge pipe component and jet tube assembly, sparge pipe component and jet
Tube assembly selectively connects.The cleaning assembly of the filter cleaner includes sparge pipe component and jet tube assembly, therefore
Spraying water and filter can be cleaned by way of jet, the mode that can first pass through water spray is carried out to filter surfaces
Cleaning, secondary cleaning is carried out to filter surfaces by way of jet afterwards, both make use of and wash the advantages of cleaning effect is good,
Make use of blow gas pressure big again, it is not easy to the advantages of being polluted to surrounding environment, washing can be difficult to the position taken into account or
Person is that the position that hydraulic pressure is not enough difficult to clean carries out high-pressure purge, so as to ensure the cleaning performance to filter, cleaning effect
Rate is high.
Brief description of the drawings
Fig. 1 is the first axonometric drawing of the filter cleaner of the embodiment of the present invention；
Fig. 2 is the second axonometric drawing of the filter cleaner of the embodiment of the present invention；
Fig. 3 is the decomposition texture schematic diagram of the filter cleaner of the embodiment of the present invention；
Fig. 4 is the structural representation of the cleaning unit of the filter cleaner of the embodiment of the present invention；
Fig. 5 is the decomposition texture schematic diagram of the cleaning unit of the filter cleaner of the embodiment of the present invention；
Fig. 6 is the structural representation of the drive device of the filter cleaner of the embodiment of the present invention；
Fig. 7 is the present invention looks up structural representation of the drive device of the filter cleaner of the embodiment of the present invention；
Fig. 8 is the structural representation of the dash unit of the filter cleaner of the embodiment of the present invention；
Fig. 9 is the decomposition texture schematic diagram of the dash unit of the filter cleaner of the embodiment of the present invention；
Figure 10 is the knot when roller shutter of the dash unit of the filter cleaner of the embodiment of the present invention is in rounding state
Structure schematic diagram；
Figure 11 is the mplifying structure schematic diagram at the A of the filter cleaner of the embodiment of the present invention.
Description of reference numerals：1st, guide rail；2nd, cleaning assembly；3rd, sparge pipe component；4th, jet tube assembly；5th, lance holder；
6th, drive device；7th, roller shutter support；8th, driving shaft of shutter；9th, roller shutter；10th, roller shutter fixing axle；11st, motor；12nd, guide groove；
13rd, drive bevel gear；14th, first rotating shaft；15th, driven wheel of differential；16th, the first drive gear；17th, the second rotating shaft；18th, advance
Wheel；19th, the first driven gear；20th, driven wheel assembly；21st, filter；22nd, slave unit；23rd, motor mounting rack.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as the limit to the present invention
It is fixed.
With reference to shown in referring to Fig. 1 to Figure 11, according to an embodiment of the invention, filter cleaner is including guide rail 1 and clearly
Unit is washed, cleaning unit includes the cleaning assembly 2 being slidably arranged on guide rail 1, and cleaning assembly 2 includes sparge pipe component 3 and spray
Tracheae component 4, sparge pipe component 3 selectively connect with jet tube assembly 4.
The cleaning assembly 2 of the filter cleaner includes sparge pipe component 3 and jet tube assembly 4, therefore can pass through
The mode of water spray and jet is cleaned to filter 21, and the mode that can first pass through water spray is cleaned to filter surfaces,
Secondary cleaning is carried out to the surface of filter 21 by way of jet afterwards, both make use of and wash the advantages of cleaning effect is good, again
Make use of blow gas pressure big, it is not easy to the advantages of being polluted to surrounding environment, washing can be difficult to the position taken into account or
It is that the position that hydraulic pressure is not enough difficult to clean carries out high-pressure purge, so as to ensure the cleaning performance to filter, cleaning efficiency
It is high.
Preferably, sparge pipe component 3 and the spout of jet tube assembly 4 can clean towards filter to be cleaned
Blow-through is carried out to filter 21 to be cleaned in journey, improves cleaning efficiency and cleaning performance.
Preferably, cleaning unit also includes lance holder 5 and drive device 6, and drive device 6 drives cleaning unit along guide rail
1 motion, lance holder 5 are fixedly installed in drive device 6, and cleaning assembly 2 is fixedly installed on lance holder 5.Cleaning assembly 2
It is fixedly connected on by lance holder 5 in drive device 6, installation of the cleaning assembly 2 in drive device 6 can be facilitated to fix,
Structure is simpler, and assembly and disassembly are more convenient.
Preferably, filter cleaner also includes dash unit, and dash unit is arranged on the water spray road of sparge pipe component 3
On footpath, for stopping the current of the ejection of sparge pipe component 3, filter is arranged between cleaning unit and dash unit.Dash list
The effect of member is provided in the opposite side of filter 21 so that high-pressure wash agent that sparge pipe component 3 sprays and aqueous mixtures and
When water under high pressure cleans to filter 21, current are played with the effective effect of damming, prevents from causing secondary pollution.
Preferably, dash unit is also fixed including drive device 6, roller shutter support 7, driving shaft of shutter 8, roller shutter 9 and roller shutter
Axle 10, roller shutter fixing axle 10 are fixedly installed on one end of guide rail 1, and one end of roller shutter 9 is fixedly connected in roller shutter fixing axle 10, volume
The other end of curtain 9 around being located on driving shaft of shutter 8, driving shaft of shutter 8 by roller shutter support 7 and the drive connection of drive device 6, with
Winding or expansion roller shutter 9.In the present embodiment, the dash unit carries out dash using roller shutter 9, can be taken down the exhibits using roller shutter 9
The characteristics of, so that roller shutter 9 moves according to the sparge pipe component 3 of cleaning unit and the motion of jet tube assembly 4, can begin
Water spray is formed eventually and effectively intercepted, improves intercepting efficiency and interception result.Because roller shutter fixing axle 10 is arranged on the one of guide rail 1
End, and is fixedly connected with guide rail 1, will not be moved relative to guide rail 1, therefore, with the motion of driving shaft of shutter 8,
Under the mating reaction of roller shutter fixing axle 10 and the scrolling effect of driving shaft of shutter 8, roller shutter 9 can conveniently realize gathering and exhibition
Work is started, operates simpler convenience.
In the present embodiment, guide rail 1 is two groups, and two groups of guide rails 1 be arranged in parallel, and cleaning unit is slidably arranged in one of which
On guide rail 1, dash unit is slidably arranged on another group of guide rail 1, will not be interfered so as to both motions, can be formed phase
It mutually independent sliding action, can more easily realize that dash unit intercepts to the water spray of cleaning unit, while can also protect
The flexibility of cleaning unit and dash unit motion is demonstrate,proved, improves cleaning performance.
Preferably, drive device 6 includes motor 11, drive shaft assembly and drive wheel assemblies, and drive wheel assemblies are set
In guide rail 1, motor 11 drives guided rotation of the driving wheel along guide rail 1 by drive shaft assembly.Preferably, motor
11 be, for example, servomotor.Preferably, motor mounting rack 23 is provided with drive shaft assembly, motor 11 is fixedly installed
On motor mounting rack 23.
Preferably, guide rail 1 is two, and the phase of guide groove 12 of two guide rails 1 deviates from, and drive wheel assemblies are caught in guide groove 12.
In cleaning unit, drive device 6 is strained and fixed by sparge pipe component 3 and jet tube assembly 4 and lance holder 5, so that will
The drive wheel assemblies tension of drive device 6 is spacing in guide groove 12, prevents drive wheel assemblies from deviating from out of guide groove 12, improves clear
Wash the stability and reliability of the slide construction of unit.In dash unit, drive device 6 is tensed solid by driving shaft of shutter 8
It is fixed, thus the drive wheel assemblies of drive device 6 are spacing in guide groove 12, prevent drive wheel assemblies from deviating from out of guide groove 12, carry
The high stability and reliability of the slide construction of dash unit.
Drive device 6 is arranged in the guide groove 12 of a guide rail, and driven dress is provided with the guide groove 12 of another guide rail
22 are put, the slave unit 22 includes driven pulley, passes through sparge pipe component between driven pulley and the drive wheel assemblies of drive device 6
3 and the either driving shaft of shutter 8 of jet tube assembly 4 realize connection, so as to being transported under the drive of the driven wheel assembly of drive device
It is dynamic, improve the balance and stability of cleaning unit and dash unit motion structure.
Preferably, the output end of motor 11 is provided with drive bevel gear 13, and drive shaft assembly includes first rotating shaft 14
With the drive gear 16 of driven wheel of differential 15 and first being arranged in first rotating shaft 14, drive wheel assemblies include the second rotating shaft 17,
The first driven gear 19 for being arranged on the travel wheel 18 at the both ends of the second rotating shaft 17 and being arranged between two travel wheels 18, it is driven
Bevel gear 15 and drive bevel gear 13 are engaged, and the first driven gear 19 and the first drive gear 16 are engaged, and travel wheel 18 is arranged on
In guide rail 1.
By taking cleaning unit as an example, during drive device works, the output shaft of motor 11 drives actively first
Bevel gear 13 rotates, and drive bevel gear 13 drives driven wheel of differential 15 to rotate, and driven wheel of differential 15 drives first rotating shaft 14 to rotate,
First rotating shaft 14 drives the first drive gear 16 thereon to rotate, and the first drive gear 16 drives the first driven tooth engaged
Wheel 19 rotates, and the second rotating shaft 17 where the first driven gear 19 drives it rotates, and then drives two by the second rotating shaft 17
Travel wheel 18 is rotated so that drive device 6 is moved along guide rail 1, and then drives the sparge pipe component 3 in drive device 6
With jet tube assembly 4 as drive device 6 is moved along guide rail 1 together.By adjusting the rotation direction of servomotor, can adjust
The direction of motion of sparge pipe component 3 and jet tube assembly 4 is saved, so as to realize the cleaning repeatedly to filter 21.Cleaned
When, water under high pressure is sprayed by sparge pipe component 3 first filter is cleaned, then recycle jet tube assembly 4 to spray height
Body of calming the anger carries out secondary cleaning to filter 21, so as to more efficiently avoid dirt from remaining.
The moving situation of dash unit is similar with cleaning unit, and the difference in its structure is, due to motor simultaneously
Need to drive driving shaft of shutter 8 to rotate, therefore need in the end of driving shaft of shutter 8 to set a bevel gear, the bevel gear with
Driven wheel of differential 15 engages, and so as to be driven by driven wheel of differential 15, drives driving shaft of shutter 8 to rotate, realizes volume
Curtain 9 being rolled and decontroling.
Among one embodiment not shown in figure, it is preferable that the output end of motor 11 is provided with active conical tooth
Wheel 13, drive shaft assembly include first rotating shaft 14 and are arranged on the travel wheel 18 at the both ends of first rotating shaft 14 and are arranged on two rows
The driven wheel of differential 15 entered between wheel 18, driven wheel of differential 15 engage with drive bevel gear 13.In the present embodiment, eliminate from
Drive wheel assemblies, the motion on guide rail 1 directly is realized by setting travel wheel 18 in drive shaft assembly, the structure is simpler
It is single.
Preferably, drive device 6 also includes driven wheel assembly 20, and driven wheel assembly 20 is arranged in guide rail 1, and is being driven
Moved under the drive of wheel assembly.Driven wheel assembly 20 can be engaged with travel wheel 18, form the motion branch of more stable equilibrium
Support structure, ensure sparge pipe component 3 and the easy motion of jet tube assembly 4, and the easy motion of driving shaft of shutter 8, structure
Performance is more excellent.
Certainly, above is the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art
For, on the premise of its general principles are not departed from, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of filter cleaner, it is characterised in that including guide rail (1) and cleaning unit, the cleaning unit includes sliding
The dynamic cleaning assembly (2) being arranged on the guide rail (1), the cleaning assembly (2) include sparge pipe component (3) and air jet pipe group
Part (4), the sparge pipe component (3) selectively connect with the jet tube assembly (4).
2. filter cleaner according to claim 1, it is characterised in that the sparge pipe component (3) and the spray
The spout of tracheae component (4) is towards filter to be cleaned.
3. filter cleaner according to claim 1, it is characterised in that the cleaning unit also includes lance holder
(5) and drive device (6), the drive device (6) drive the cleaning unit to be moved along the guide rail (1), the jet pipe branch
Frame (5) is fixedly installed in the drive device (6), and the cleaning assembly (2) is fixedly installed on the lance holder (5).
4. filter cleaner according to claim 1, it is characterised in that the filter cleaner also includes gear
Water unit, the dash unit is arranged on the water spray path of the sparge pipe component (3), for stopping the sparge pipe component
(3) current sprayed, the filter are arranged between the cleaning unit and the dash unit.
5. filter cleaner according to claim 4, it is characterised in that the dash unit also includes drive device
(6), roller shutter support (7), driving shaft of shutter (8), roller shutter (9) and roller shutter fixing axle (10), the roller shutter fixing axle (10) are fixed
One end of the guide rail (1) is arranged on, one end of the roller shutter (9) is fixedly connected on the roller shutter fixing axle (10), described
For the other end of roller shutter (9) around being located on the driving shaft of shutter (8), the driving shaft of shutter (8) passes through the roller shutter support (7)
With the drive device (6) drive connection, to wind or deploy the roller shutter (9).
6. the filter cleaner according to claim 4 or 5, it is characterised in that the drive device (6) includes driving
Motor (11), drive shaft assembly and drive wheel assemblies, the drive wheel assemblies are arranged in the guide rail (1), the driving electricity
Machine (11) drives guided rotation of the driving wheel along the guide rail (1) by the drive shaft assembly.
7. filter cleaner according to claim 6, it is characterised in that the guide rail (1) is two, described in two
The guide groove (12) of guide rail (1) mutually deviates from, and the drive wheel assemblies are caught in the guide groove (12).
8. filter cleaner according to claim 6, it is characterised in that the output end of the motor (11) is set
Drive bevel gear (13) is equipped with, the drive shaft assembly includes first rotating shaft (14) and is arranged in the first rotating shaft (14)
Driven wheel of differential (15) and the first drive gear (16), the drive wheel assemblies include the second rotating shaft (17), are arranged on described the
The travel wheel (18) at the both ends of two rotating shafts (17) and the first driven gear (19) being arranged between two travel wheels (18),
The driven wheel of differential (15) and the drive bevel gear (13) engagement, first driven gear (19) and first driving
Gear (16) is engaged, and the travel wheel (18) is arranged in the guide rail (1).
9. filter cleaner according to claim 6, it is characterised in that the output end of the motor (11) is set
It is equipped with drive bevel gear (13), the drive shaft assembly includes first rotating shaft (14) and is arranged on the two of the first rotating shaft (14)
The travel wheel (18) at end and the driven wheel of differential (15) being arranged between two travel wheels (18), the driven wheel of differential
(15) engaged with the drive bevel gear (13).
10. filter cleaner according to claim 8 or claim 9, it is characterised in that the drive device (6) also includes
Driven wheel assembly (20), the driven wheel assembly (20) are arranged in the guide rail (1), and in the drive of the drive wheel assemblies
Lower motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711132059.6A CN107754455A (en) | 2017-11-15 | 2017-11-15 | Filter cleaner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711132059.6A CN107754455A (en) | 2017-11-15 | 2017-11-15 | Filter cleaner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107754455A true CN107754455A (en) | 2018-03-06 |
Family
ID=61278934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711132059.6A Pending CN107754455A (en) | 2017-11-15 | 2017-11-15 | Filter cleaner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107754455A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113082854A (en) * | 2021-04-16 | 2021-07-09 | 苏州市鲁江针织制衣有限公司 | Cleaning device for deeply cleaning filter screen |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205701624U (en) * | 2016-05-26 | 2016-11-23 | 衢州职业技术学院 | Photovoltaic module packet type automatic cleaning system |
| CN106370048A (en) * | 2016-11-10 | 2017-02-01 | 珠海格力电器股份有限公司 | Heat exchange coil pipe cleaning system and air conditioner unit |
| CN107224795A (en) * | 2017-06-19 | 2017-10-03 | 珠海格力电器股份有限公司 | Automatic flushing device |
| CN207856481U (en) * | 2017-11-15 | 2018-09-14 | 珠海格力电器股份有限公司 | Filter cleaner |
-
2017
- 2017-11-15 CN CN201711132059.6A patent/CN107754455A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205701624U (en) * | 2016-05-26 | 2016-11-23 | 衢州职业技术学院 | Photovoltaic module packet type automatic cleaning system |
| CN106370048A (en) * | 2016-11-10 | 2017-02-01 | 珠海格力电器股份有限公司 | Heat exchange coil pipe cleaning system and air conditioner unit |
| CN107224795A (en) * | 2017-06-19 | 2017-10-03 | 珠海格力电器股份有限公司 | Automatic flushing device |
| CN207856481U (en) * | 2017-11-15 | 2018-09-14 | 珠海格力电器股份有限公司 | Filter cleaner |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113082854A (en) * | 2021-04-16 | 2021-07-09 | 苏州市鲁江针织制衣有限公司 | Cleaning device for deeply cleaning filter screen |
| CN113082854B (en) * | 2021-04-16 | 2022-12-16 | 济南朗仕环境科技有限公司 | Cleaning device for deeply cleaning filter screen |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20180306 |