CN113237240A - Automatic cleaning device for water storage tank of solar water heater - Google Patents
Automatic cleaning device for water storage tank of solar water heater Download PDFInfo
- Publication number
- CN113237240A CN113237240A CN202110520479.1A CN202110520479A CN113237240A CN 113237240 A CN113237240 A CN 113237240A CN 202110520479 A CN202110520479 A CN 202110520479A CN 113237240 A CN113237240 A CN 113237240A
- Authority
- CN
- China
- Prior art keywords
- storage tank
- water storage
- block
- cleaning
- baffle
- 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.)
- Withdrawn
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 84
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 71
- 238000003860 storage Methods 0.000 title claims abstract description 50
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 10
- 244000309464 bull Species 0.000 claims description 8
- 239000002775 capsule Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 238000007790 scraping Methods 0.000 claims description 6
- 230000035939 shock Effects 0.000 claims 5
- 230000000694 effects Effects 0.000 abstract description 11
- 238000005192 partition Methods 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 description 4
- 239000012634 fragment Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/50—Cleaning by methods involving the use of tools involving cleaning of the cleaning members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
- F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses an automatic cleaning device for a water storage tank of a solar water heater, which comprises a water storage tank, a support frame and a vacuum tube, wherein the support frame is arranged at the bottom of the water storage tank, the vacuum tube is arranged at the left side of the water storage tank, the water storage tank comprises a shell, a rotating wheel, a bushing plate, a drainage tank and a fine mesh partition plate, the shell is arranged in the water storage tank, the rotating wheel is arranged in the shell, and a motor is arranged at the center in the rotating wheel. Thereby making the cleaning effect better.
Description
Technical Field
The invention relates to the technical field of new energy, in particular to an automatic cleaning device for a water storage tank of a solar water heater.
Background
The solar vacuum tube is a core element of the solar water heater, is known as the heart of the solar water heater, the quality of the vacuum tube directly influences the service life and the performance of the solar water heater, the rapid development of the solar industry drives the development of vacuum tube enterprises, on one hand, the patented technology around the vacuum tube is continuously updated, and on the other hand, the vacuum tube enterprises and the production line are increased like spring bamboo shoots after rain in recent years.
After the solar water heater is used for a period of time, due to the fact that impurities in tap water are more, a lot of sediments and dirt can be generated in the solar water storage tank, the cleaning of the interior of the water storage tank needs to be manually disassembled to clean the interior of the water storage tank, the labor cost is increased, and the cleaning effect of manual cleaning on the interior is not good, so that the solar water heater is used for solving the problems.
Disclosure of Invention
The invention aims to provide an automatic cleaning device for a water storage tank of a solar water heater, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic cleaning device for a water storage tank of a solar water heater comprises the water storage tank, a support frame and a vacuum tube, wherein the support frame is arranged at the bottom of the water storage tank, and the vacuum tube is arranged on the left side of the water storage tank;
the water storage tank comprises a shell, a rotating wheel, a bushing plate, a drainage box and a fine mesh partition plate, wherein the shell is arranged inside the water storage tank, the rotating wheel is arranged inside the shell, a motor is arranged at the center inside the rotating wheel, the bushing plate is fixedly connected to the bottom of the shell, the drainage box is arranged at the bottom of the outer wall of the shell, and the fine mesh partition plate is arranged inside the drainage box.
Preferably, the runner includes clean wheel, baffle and flowing groove, clean wheel, baffle and flowing groove quantity are six and are the annular setting, six the baffle all sets up inside the runner, six clean wheel is equallyd divide and is do not set up inside six baffles, six the flowing groove is all seted up inside the runner.
Preferably, clean wheel includes bull stick, flexible iron wire, base, clean piece and flexure strip, clean wheel is the cavity setting, the bull stick sets up in clean wheel axle center department, the bull stick openly all rotates with the baffle through the bearing with the back and is connected, the pedestal mounting is at the bull stick surface, the flexure strip is installed at the base top, clean piece is installed at the flexure strip top, flexible iron wire sets up inside the flexure strip.
Preferably, the cleaning block comprises a rubber sleeve, a scraping head and a capsule body, the rubber sleeve is arranged at the top of the cleaning block, the scraping head is embedded on the outer surface of the rubber sleeve, the capsule body is arranged inside the cleaning block, and the top of the capsule body is in contact with the bottom of the rubber sleeve.
Preferably, the bushing plate comprises four vibration blocks and four leakage grooves, the vibration blocks and the leakage grooves are arranged in an arc shape, the vibration blocks are arranged inside the bushing plate, and the leakage grooves are arranged inside the bushing plate.
Preferably, the vibration block comprises a limiting block, a head, a protective sleeve and an arc-shaped elastic sheet, the limiting block is installed on the left side of the inner wall of the vibration block, the head is arranged inside the vibration block, the bottom of the head is movably connected with the vibration block through a roller, the protective sleeve is installed on the left side and the right side of the head, the left side of the arc-shaped elastic sheet is fixedly connected with the inner wall of the vibration block, and the right side of the arc-shaped elastic sheet is fixedly connected with the bottom of the left side of the head.
Compared with the prior art, the invention has the beneficial effects that:
1. the cleaning block is pressed downwards by the extrusion force when contacting with the inner wall, so that the elastic sheet is pressed downwards, the telescopic iron wire stretches towards two sides, the cleaning block can be buffered when being extruded, and meanwhile, when the elastic sheet is pressed, the cleaning block can be tightly attached to the inner wall of the water storage tank by reverse elasticity, so that the cleaning effect is better.
2. According to the invention, the cleaning block is arranged to collide with the swatter head to generate a vibration effect when the cleaning wheel rotates to the bottom to be contacted with the bushing plate, so that dirt attached to the cleaning block can be shaken off, the swatter head can press the arc-shaped elastic sheet to deform upwards, the limiting block is used for limiting the arc-shaped elastic sheet, the damage caused by excessive deformation of the arc-shaped elastic sheet is avoided, the surface of the cleaning block can be cleaner, and the cleaning effect on the inner wall of the water storage tank is better.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional front view of the present invention;
FIG. 3 is a front sectional view of the rotor according to the present invention;
FIG. 4 is an enlarged view of A in FIG. 3 according to the present invention;
FIG. 5 is a schematic front cross-sectional view of a cleaning block of the present invention;
FIG. 6 is a front cross-sectional structural view of a bushing according to the present invention;
in the figure: 1. the water storage tank 11, the shell 12, the rotating wheel 121, the cleaning wheel a1., the rotating rod a2, the telescopic iron wire a3. base a4., the cleaning block a41, the rubber sleeve a42, the scraping head a43, the bag body a5. elastic sheet 122, the baffle 123, the flow groove 13, the leakage plate 131, the vibration block w1. limiting block w2., the beating head w3., the protective sleeve w4. arc elastic sheet 132, the leakage groove 14, the drainage box 15, the fine mesh partition plate 16, the motor 2, the support frame 3 and the vacuum tube.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
please refer to fig. 1-5:
the invention provides a technical scheme that: the utility model provides a solar water heater storage water tank self-cleaning device, including storage water tank 1, support frame 2 and vacuum tube 3, support frame 2 is installed in 1 bottom of storage water tank, vacuum tube 3 sets up in 1 left side of storage water tank, storage water tank 1 includes casing 11, runner 12, bushing 13, drain box 14 and thin net baffle 15, casing 11 sets up inside storage water tank 1, runner 12 sets up inside casing 11, 12 inside center departments of runner are provided with motor 16, bushing 13 fixed connection is in 11 bottoms of casing, drain box 14 is installed in 11 outer wall bottoms of casing, thin net baffle 15 sets up inside drain box 14.
The runner 12 includes clean wheel 121, baffle 122 and flow groove 123, clean wheel 121, baffle 122 and flow groove 123 quantity are six and are the annular setting, six baffles 122 all set up inside runner 12, six clean wheels 121 are equallyd divide and are set up respectively inside six baffles 122, six flow grooves 123 are all seted up inside runner 12, flow groove 123 makes things convenient for the circulation of 1 inside rivers of storage water tank, clean wheel 121 can strike off the dirt on 1 inner wall of storage water tank, clean inside.
The cleaning wheel 121 comprises a rotating rod a1, a telescopic iron wire a2, a base a3, a cleaning block a4 and an elastic sheet a5, the cleaning wheel 121 is hollow, the rotating rod a1 is arranged at the axle center of the cleaning wheel 121, the front surface and the back surface of the rotating rod a1 are rotatably connected with the baffle 122 through bearings, the base a3 is arranged on the outer surface of the rotating rod a1, an elastic sheet a5 is arranged on the top of the base a3, a cleaning block a4 is arranged on the top of the elastic sheet a5, the telescopic iron wire a2 is arranged inside the elastic sheet a5, dirt and sediments inside the water storage tank 1 are cleaned through the cleaning wheel 121, the cleaning wheel 121 can also rotate during cleaning through the rotation of the rotating wheel 12, when the cleaning block a4 contacts the inner wall, the cleaning block a4 is pressed downwards by an extrusion force, the elastic sheet a5 is pressed downwards, the telescopic iron wire a2 stretches towards two sides, the cleaning block a4 can be buffered when the cleaning block a is pressed against the water storage tank, and meanwhile, when the elastic sheet a5 is pressed, the inner wall of the cleaning block a4 can be pressed reversely, thereby making the cleaning effect better.
Cleaning block a4 includes rubber sleeve a41, scrape head a42 and utricule a43, rubber sleeve a41 sets up at cleaning block a4 top, it inlays at rubber sleeve a41 surface to scrape head a42, utricule a43 sets up inside cleaning block a4, utricule a43 top and rubber sleeve a41 bottom contact, the head a42 that scrapes that cleaning block a4 surface set up can be cleaner with the dirt, can make scraping head a42 and storage water tank 1 inner wall contact surface wider through utricule a43 that cleaning block a4 is inside sets up, improve cleaning efficiency.
Example 2:
please refer to fig. 6:
the bushing 13 includes vibrations piece 131 and small opening 132, vibrations piece 131 and small opening 132 quantity are four and arrange the setting for the arc, and four vibrations pieces 131 all set up inside bushing 13, and four small opening 132 are all seted up inside bushing 13, and vibrations piece 131 is used for patting cleaning block a4, can beat cleaning block a4 adnexed dirt, and small opening 132 is used for directly leaking into on the fine mesh baffle 15 dirt and precipitate.
The vibrating block 131 comprises a limit block w1, a racket head w2, a protective sleeve w3 and an arc-shaped elastic sheet w4, the limit block w1 is installed on the left side of the inner wall of the vibrating block 131, the racket head w2 is arranged inside the vibrating block 131, the bottom of the racket head w2 is movably connected with the vibrating block 131 through a roller, the protective sleeves w3 are installed on the left and right sides of the racket head w2, the left side of the arc-shaped elastic sheet w4 is fixedly connected with the inner wall of the vibrating block 131, the right side of the arc-shaped elastic sheet w4 is fixedly connected with the bottom of the left side of the racket head w2, when the vibrating block 131 rotates to the bottom through the cleaning wheel 121 and contacts with the bushing 13, the cleaning block a4 collides with the racket head w2 to generate a vibration effect, the cleaning block a4 can be vibrated, the racket head w2 can press down the arc-shaped elastic sheet w4 to deform upwards, the limit block w 63 1 is used for limiting the arc-shaped elastic sheet w4, the arc-shaped elastic sheet w4 is prevented from deforming excessively, thereby preventing the dirt from being damaged, and the surface of the cleaning block a4 from being cleaned, thereby the cleaning effect to the inner wall of the water storage tank 1 is better.
The working principle is as follows: when the automatic cleaning device for the water storage tank of the solar water heater works, internal water is firstly discharged from the water discharge tank 14, the rotating wheel 12 is driven to rotate by the motor 16, the cleaning wheel 121 cleans the inner wall of the water storage tank 1, the cleaning wheel 121 also rotates in the cleaning process by the rotation of the rotating wheel 12, so that when the cleaning block a4 contacts the inner wall, the cleaning block a4 is pressed downwards by extrusion force, the elastic sheet a5 is pressed downwards, the telescopic iron wire a2 stretches towards two sides, the cleaning block a4 can be buffered during extrusion, meanwhile, when the elastic sheet a5 is pressed, a reverse elastic force can enable the cleaning block a4 to be tightly attached to the inner wall of the water storage tank 1, so that the cleaning effect is better, the cleaning head a42 arranged on the outer surface of the cleaning block a4 can clean dirt, the contact surface between the cleaning head a42 and the inner wall of the water storage tank 1 can be wider through the capsule body 43 arranged inside the cleaning block a4, the cleaning efficiency is improved, when cleaning wheel 121 rotates the bottom and contacts with bushing 13, cleaning block a4 can collide with clapper w2 and produce the vibration effect, can shake attached dirt on cleaning block a4 down, when both contact, clapper w2 can push down arc shell fragment w4 and can upwards take place to warp, stopper w1 is used for spacing arc shell fragment w4, thereby avoid arc shell fragment w4 to warp excessively and damage, when cleaning block a4 leaves, make clapper w2 resume the normal position through the effect of arc shell fragment w4, then dirt after the clearance gets into fine mesh baffle 15 from weeping channel 132 and concentrates the collection, can accomplish storage water tank 1 inside dirt clearance.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a solar water heater storage water tank self-cleaning device, includes storage water tank (1), support frame (2) and vacuum tube (3), its characterized in that: the support frame (2) is arranged at the bottom of the water storage tank (1), and the vacuum tube (3) is arranged on the left side of the water storage tank (1);
storage water tank (1) includes casing (11), runner (12), bushing plate (13), drain box (14) and fine mesh baffle (15), casing (11) set up inside storage water tank (1), runner (12) set up inside casing (11), runner (12) inside center department is provided with motor (16), bushing plate (13) fixed connection is in casing (11) bottom, drain box (14) are installed in casing (11) outer wall bottom, fine mesh baffle (15) set up inside drain box (14).
2. The automatic cleaning device for the water storage tank of the solar water heater as claimed in claim 1, characterized in that: runner (12) are including clean wheel (121), baffle (122) and flow groove (123), clean wheel (121), baffle (122) and flow groove (123) quantity are six and are the annular setting, six baffle (122) all set up inside runner (12), six clean wheel (121) are equallyd divide and are do not set up inside six baffle (122), six flow groove (123) are all seted up inside runner (12).
3. The automatic cleaning device for the water storage tank of the solar water heater as claimed in claim 2, characterized in that: cleaning wheel (121) include bull stick (a1), flexible iron wire (a2), base (a3), clean piece (a4) and flexure strip (a5), cleaning wheel (121) are the cavity setting, bull stick (a1) sets up in cleaning wheel (121) axle center department, bull stick (a1) openly all rotates with baffle (122) through the bearing with the back and is connected, install at bull stick (a1) surface base (a3), flexure strip (a5) are installed at base (a3) top, install at flexure strip (a5) top cleaning piece (a4), flexible iron wire (a2) set up inside flexure strip (a 5).
4. The automatic cleaning device for the water storage tank of the solar water heater as claimed in claim 3, characterized in that: the cleaning block (a4) comprises a rubber sleeve (a41), a scraping head (a42) and a capsule body (a43), wherein the rubber sleeve (a41) is arranged at the top of the cleaning block (a4), the scraping head (a42) is embedded on the outer surface of the rubber sleeve (a41), the capsule body (a43) is arranged inside the cleaning block (a4), and the top of the capsule body (a43) is in contact with the bottom of the rubber sleeve (a 41).
5. The automatic cleaning device for the water storage tank of the solar water heater as claimed in claim 1, characterized in that: the bushing (13) comprises vibrating blocks (131) and bushings (132), the number of the vibrating blocks (131) and the number of the bushings (132) are four, the vibrating blocks (131) and the bushings (132) are arranged in an arc shape, the vibrating blocks (131) are arranged inside the bushing (13), and the bushings (132) are arranged inside the bushing (13).
6. The automatic cleaning device for the water storage tank of the solar water heater as claimed in claim 5, characterized in that: the shock block (131) comprises a limiting block (w1), a racket head (w2), a protective sleeve (w3) and an arc-shaped elastic sheet (w4), the limiting block (w1) is installed on the left side of the inner wall of the shock block (131), the racket head (w2) is arranged inside the shock block (131), the bottom of the racket head (w2) is movably connected with the shock block (131) through a roller, the protective sleeve (w3) is installed on the left side and the right side of the racket head (w2), the left side of the arc-shaped elastic sheet (w4) is fixedly connected with the inner wall of the shock block (131), and the right side of the arc-shaped elastic sheet (w4) is fixedly connected with the bottom of the left side of the racket head (w 2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110520479.1A CN113237240A (en) | 2021-05-13 | 2021-05-13 | Automatic cleaning device for water storage tank of solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110520479.1A CN113237240A (en) | 2021-05-13 | 2021-05-13 | Automatic cleaning device for water storage tank of solar water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113237240A true CN113237240A (en) | 2021-08-10 |
Family
ID=77133952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110520479.1A Withdrawn CN113237240A (en) | 2021-05-13 | 2021-05-13 | Automatic cleaning device for water storage tank of solar water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113237240A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283203A (en) * | 2022-10-08 | 2022-11-04 | 苏州丹卡精密机械有限公司 | Planar array surface-mounted integrated circuit packaging equipment |
-
2021
- 2021-05-13 CN CN202110520479.1A patent/CN113237240A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115283203A (en) * | 2022-10-08 | 2022-11-04 | 苏州丹卡精密机械有限公司 | Planar array surface-mounted integrated circuit packaging equipment |
| CN115283203B (en) * | 2022-10-08 | 2022-12-09 | 苏州丹卡精密机械有限公司 | Surface-mounted integrated circuit packaging equipment for planar array |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210810 |
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| WW01 | Invention patent application withdrawn after publication |