CN112253356A - Power generation device capable of automatically cleaning blades and arranged beside sewer pipeline - Google Patents
Power generation device capable of automatically cleaning blades and arranged beside sewer pipeline Download PDFInfo
- Publication number
- CN112253356A CN112253356A CN202011200343.4A CN202011200343A CN112253356A CN 112253356 A CN112253356 A CN 112253356A CN 202011200343 A CN202011200343 A CN 202011200343A CN 112253356 A CN112253356 A CN 112253356A
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- Prior art keywords
- block
- power generation
- gear
- cleaning
- blades
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/006—Sealing arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/08—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator for removing foreign matter, e.g. mud
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- 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
- Y02E10/20—Hydro energy
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a power generation device which is arranged beside a sewer pipeline and can automatically clean blades, the power generation device comprises a pipeline and a flow cavity arranged in the pipeline, the left end of the flow cavity is provided with a communicating groove, the left side of the pipeline is fixedly provided with a fixed mounting block, the power generation device is arranged beside the sewer pipeline, when water flows through, a impeller can be driven to rotate, the impeller can drive a generator to rotate to generate power, the blades contacted with substances can be infected with the substances due to complex compositions of the substances flowing into the sewer, the weight of the impeller infected with the substances can be increased, the power generation efficiency can be reduced, the device is provided with a device capable of automatically cleaning the blades, the device can automatically scrape the substances attached to the blades, and the device can be switched to a motor to supply power to drive the impeller to rotate to increase the drainage speed when the drainage capacity of the sewer is insufficient under certain conditions, this device also can assist the mediation sewer when the sewer blocks up.
Description
Technical Field
The invention relates to a power generation device which is arranged beside a sewer pipeline and can automatically clean blades, and mainly relates to the technical field of power generation.
Background
The sewer pipeline is an important structure in each building and is responsible for draining water from a high place to a centralized drainage pipeline, the diameter of the sewer pipeline is different according to different actual use conditions, the water flowing downwards from the high place has higher potential energy, and the potential energy cannot be utilized at present, so that a power generation impeller can be arranged beside the sewer pipeline, and when the water flows through, the impeller can be driven to rotate and generate power to utilize the potential energy of the water.
Disclosure of Invention
The invention aims to solve the technical problem of providing a power generation device which is arranged beside a sewer pipeline and can automatically clean blades, and the power generation device overcomes the problems.
The invention is realized by the following technical scheme.
The invention relates to a power generation device which is arranged beside a sewer pipeline and can automatically clean blades, comprising a pipeline and a flow cavity arranged in the pipeline, wherein the left end of the flow cavity is provided with a communicating groove, the left side of the pipeline is fixedly provided with a fixed mounting block, the left end of the fixed mounting block is fixedly provided with a motor, the motor is in power connection with a driving threaded rod, the driving threaded rod is in threaded connection with a threaded block, the lower side of the threaded block is fixedly provided with a shell, an inner cavity is arranged in the shell, a power generation rotating shaft is rotatably arranged between the front end and the rear end of the inner cavity, five power generation blades are fixedly arranged on the power generation rotating shaft, a cleaning shell is fixedly arranged on the power generation blades, a working cavity is arranged in the cleaning shell, a winding shaft is rotatably arranged between the front end and the rear end of the working cavity, a winding reel and a cleaning, a sliding groove is fixedly arranged at one section of the working cavity close to the power generation blade, a rack is arranged at one side of the sliding groove close to the winding shaft in a sliding manner, the rack is meshed with the cleaning gear, the rack is fixedly connected with a sliding block in the sliding groove, a reset spring is arranged between the sliding block in the sliding groove and the right end of the sliding groove, a cleaning block is arranged on the outer side of the cleaning shell and connected with the connecting pull rope, an electric sliding rail is fixedly arranged at the top end of the inner cavity, a driving motor and a generator are arranged on the lower side of the electric sliding rail in a sliding manner, the driving motor is fixedly connected with the generator and the sliding block in the electric sliding rail, a driving gear is fixedly arranged on a power shaft of the driving motor, a power generation gear is fixedly arranged on the power shaft of the generator, a transmission rotating shaft is rotatably arranged between the front end and the rear end, the transmission rotating shaft is fixedly provided with a transmission gear, a rotating shaft is rotatably arranged between the front end and the rear end of the inner cavity, a gear is fixedly arranged on the rotating shaft and is meshed with the transmission gear, the electric sliding rail can drive the driving motor and the generator to move so as to enable the driving gear or the generating gear to be meshed with the gear, the generating gear is meshed with the gear when power is needed, the driving gear is meshed with the gear when the generating rotating shaft is driven to rotate by power, the lower left end of the inner cavity is rotatably provided with a hinge, a scraping rod is fixedly arranged on the hinge, a compression spring is connected between the upper end of the scraping rod and the left end of the inner cavity, the lower end of the scraping rod is rotatably provided with an upper hinge, the lower end of the inner cavity is fixedly provided with a push block sliding groove, a push block is slidably arranged on the upper side of the push block sliding groove, and the push block is fixedly, the utility model discloses a power generation blade cleaning device, including ejector pad, push block, power generation blade, the push block left end rotates and is equipped with down the hinge, go up the hinge with the connection is equipped with the connecting rod between the hinge down, works as scrape and to promote when getting the pole clockwise turning the push block is followed the push block spout slides right, can drive during the anticlockwise rotation the push block slides left, works as scrape and get the pole and contact and can adsorb during the power generation blade the cleaning block, the cleaning block can follow scrape the removal of getting the pole and remove.
Furthermore, an electromagnet is fixedly arranged at the left end of the inner cavity, and the electromagnet can adsorb the scraping rod after being electrified.
Further, a magnet is fixedly arranged in the cleaning shell, and the magnet can adsorb the cleaning block to prevent the cleaning block from moving.
Furthermore, a sealing slide bar is arranged in the fixed mounting block in a sliding mode, a lifting slide rail is fixedly arranged at the left end of the sealing slide bar, a slide block in the lifting slide rail is fixedly connected with the fixed mounting block, and the lifting slide rail can drive the sealing slide bar to slide downwards to seal the communication groove after being started.
Further, an air pump is fixedly arranged in the sealing slide bar, and the air pump can boost pressure in the flowing cavity to assist in dredging the flowing cavity after being started.
The invention has the beneficial effects that: the device is arranged beside a sewer pipe, when water flows through the device, the impeller can be driven to rotate, the impeller can drive a generator to rotate to generate electricity, and because the components of substances flowing into the sewer pipe are complex, the blades contacted with the substances can be contaminated with the substances, the weight of the impeller contaminated with the substances can be increased, so that the generating efficiency can be reduced.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure A-A of FIG. 1;
fig. 3 is an enlarged schematic view of B in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-3, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The power generation device which is installed beside a sewer pipeline and can automatically clean blades and is described by combining with the attached drawings 1-3, comprises a pipeline 10 and a flowing cavity 11 arranged in the pipeline 10, wherein the left end of the flowing cavity 11 is provided with a communicating groove 16, the left side of the pipeline 10 is fixedly provided with a fixed installation block 42, the left end of the fixed installation block 42 is fixedly provided with a motor 41, the motor 41 is in power connection with a driving threaded rod 38, the driving threaded rod 38 is in threaded connection with a threaded block 40, the lower side of the threaded block 40 is fixedly provided with a shell 37, an inner cavity 33 is arranged in the shell 37, a power generation rotating shaft 17 is rotatably arranged between the front end and the rear end of the inner cavity 33, five power generation blades 15 are fixedly arranged on the power generation rotating shaft 17, a cleaning shell 54 is fixedly arranged on the power generation blades 15, a working cavity 53 is arranged in the cleaning shell 54, and a, a winding reel 47 and a cleaning gear 55 are fixedly arranged on the winding reel 48, a connecting pull rope 52 is wound on the winding reel 47, a sliding groove 46 is fixedly arranged at one section of the working chamber 53, which is close to the power generation blade 15, a rack 56 is slidably arranged at one side of the sliding groove 46, which is close to the winding reel 48, the rack 56 is meshed with the cleaning gear 55, the rack 56 is fixedly connected with a sliding block in the sliding groove 46, a return spring 49 is arranged between the sliding block in the sliding groove 46 and the right end of the sliding groove 46, a cleaning block 50 is arranged at the outer side of the cleaning shell 54, the cleaning block 50 is connected with the connecting pull rope 52, an electric sliding rail 36 is fixedly arranged at the top end of the inner cavity 33, a driving motor 34 and a generator 13 are slidably arranged at the lower side of the electric sliding rail 36, the driving motor 34 is fixedly connected with the generator 13, a driving gear 35 is fixedly arranged on a power shaft of the driving motor 34, a power generation gear 14 is fixedly arranged on the power shaft of the power generator 13, a transmission rotating shaft 31 is arranged between the front end and the rear end of the inner cavity 33 in a rotating manner, the transmission rotating shaft 31 is in transmission connection with the power generation rotating shaft 17 through a transmission belt pulley 32, a transmission gear 26 is fixedly arranged on the transmission rotating shaft 31, a rotating shaft 27 is arranged between the front end and the rear end of the inner cavity 33 in a rotating manner, a gear 39 is fixedly arranged on the rotating shaft 27, the gear 39 is meshed with the transmission gear 26, the driving motor 34 and the power generator 13 can be driven by the electric sliding rail 36 to move so that the driving gear 35 or the power generation gear 14 is meshed with the gear 39, the power generation gear 14 is meshed with the gear 39 when power generation is needed, and the driving gear 35 is meshed with the gear 39 when the power, a hinge 21 is rotatably arranged at the left lower end of the inner cavity 33, a scraping rod 25 is fixedly arranged on the hinge 21, a compression spring 22 is connected between the upper end of the scraping rod 25 and the left end of the inner cavity 33, the lower end of the scraping rod 25 is rotatably provided with an upper hinge 23, the lower end of the inner cavity 33 is fixedly provided with a push block chute 20, a push block 18 is arranged on the upper side of the push block sliding groove 20 in a sliding manner, the push block 18 is fixedly connected with a sliding block in the push block sliding groove 20, the left end of the push block 18 is rotatably provided with a lower hinge 19, a connecting rod 24 is connected between the upper hinge 23 and the lower hinge 19, when the scraping rod 25 rotates clockwise, the pushing block 18 can be pushed to slide rightwards along the pushing block sliding groove 20, when the scraping rod rotates anticlockwise, the pushing block 18 can be driven to slide leftwards, when the scraping bar 25 contacts the power generating blade 15, the cleaning block 50 can be adsorbed, and the cleaning block 50 moves along with the movement of the scraping bar 25.
Advantageously, an electromagnet 28 is fixed to the left end of the inner cavity 33, and the electromagnet 28 can attract the scraping rod 25 after being electrified.
Advantageously, a magnet 51 is fixedly arranged in the cleaning housing 54, and the magnet 51 can attract the cleaning block 50 to prevent the cleaning block 50 from moving.
Beneficially, a sealing slide bar 44 is slidably arranged in the fixed mounting block 42, a lifting slide rail 45 is fixedly arranged at the left end of the sealing slide bar 44, a slide block in the lifting slide rail 45 is fixedly connected with the fixed mounting block 42, and the lifting slide rail 45 can drive the sealing slide bar 44 to slide downwards to seal the communication groove 16 after being started.
Advantageously, an air pump 43 is fixed in the sealing slide 44, and the air pump 43 can pressurize the flow chamber 11 to assist in dredging the flow chamber 11 after being started.
Sequence of mechanical actions of the whole device:
the electric slide rail 36 is started to drive the generator 13 to move leftwards so as to enable the generating gear 14 to be meshed with the gear 39, water flows downwards from the upper part of the flow cavity 11, when the water flows to the generating blade 15, the generating blade 15 can drive the generating blade 15 to rotate clockwise, the generating blade 15 can drive the generating rotating shaft 17 to rotate, the generating rotating shaft 17 drives the transmission rotating shaft 31 to rotate through the transmission belt pulley 32, the transmission rotating shaft 31 can drive the transmission gear 26 to rotate, the transmission gear 26 can drive the rotating shaft 27 to rotate, the rotating shaft 27 can drive the generating gear 14 to rotate and generate electricity by using the generator 13, after the generating blade 15 rotates into the inner cavity 33, the scraping rod 25 can rotate around the hinge 21 under the push of the compression spring 22 and is contacted with the surface of the generating blade 15, the scraping rod 25 can adsorb the cleaning block 50 after being contacted with the generating blade 15, and along with the rotation of the generating blade 15, when the cleaning block 50 moves, the connecting pull rope 52 is pulled, the connecting pull rope 52 drives the winding reel 47 to rotate, the winding reel 47 drives the winding reel 48 and the cleaning gear 55 to rotate, the cleaning gear 55 rotates to drive the rack 56 to slide rightwards and compress the return spring 49, substances remained on the surfaces of the power generation blades 15 can be removed through the scraping rod 25 and the cleaning block 50, after the power generation blades 15 rotate to a certain angle, the scraping rod 25 can be separated from contact with the power generation blades 15 and is contacted with the next power generation blade 15, after the separation from contact, the return spring 49 pushes the sliding block and the rack 56 in the sliding chute 46 to slide leftwards by using elastic force, the rack 56 drives the cleaning gear 55 to rotate clockwise, the winding reel 47 winds the connecting pull rope 52 and pulls the cleaning block 50 to be close to the cleaning shell 54, and after the cleaning block 50 is close to a certain distance, the cleaning block is adsorbed by the magnet 51 so as, the scraping rod 25 and the cleaning block 50 can be used for cleaning residual substances on all the power generation blades 15, the scraping rod 25 can drive the push block 18 to slide along the push block sliding groove 20 through the connecting rod 24 when rotating, the push block 18 can push the substances at the bottom end of the inner cavity 33 into the flow cavity 11 again, when the drainage capacity of the flow cavity 11 is insufficient, the electric slide rail 36 is started to drive the driving motor 34 to move rightwards to enable the driving gear 35 and the gear 39 to be meshed, the generator 13 moves rightwards to enable the power generation gear 14 and the gear 39 to be disengaged, the electromagnet 28 is electrified to adsorb the scraping rod 25, the driving motor 34 is started to drive the power generation rotating shaft 17 to rotate through transmission, the power generation blades 15 can accelerate the drainage speed of the flow cavity 11 when the sewer is blocked, the motor 41 is started to drive the driving threaded rod 38 to rotate, the driving threaded rod 38 drives the threaded block 40 and the shell 37 to move leftwards, the lifting slide rail 45 is started to drive the, the sealing slide bar 44 moves the sealing communicating groove 16 downwards, the upper opening of the pipeline 10 is blocked by the sealing cover 12, the air pump 43 starts to charge air into the flow cavity 11, the air pressure in the flow cavity 11 is increased, and the blockage can be pushed out from the flow cavity 11 after the air pressure is increased.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. An electricity generating device capable of automatically cleaning blades and installed beside a sewer pipeline, comprising a pipeline and a flow cavity arranged in the pipeline, and characterized in that: the left end of the flow cavity is provided with a communicating groove, the left side of the pipeline is fixedly provided with a fixed mounting block, the left end of the fixed mounting block is fixedly provided with a motor, the motor is in power connection with a driving threaded rod, the driving threaded rod is in threaded connection with a threaded block, the lower side of the threaded block is fixedly provided with a shell, the shell is internally provided with an inner cavity, a power generation rotating shaft is rotatably arranged between the front end and the rear end of the inner cavity, five power generation blades are fixedly arranged on the power generation rotating shaft, a cleaning shell is fixedly arranged on the power generation blades, a working cavity is arranged in the cleaning shell, a winding shaft is rotatably arranged between the front end and the rear end of the working cavity, a winding drum and a cleaning gear are fixedly arranged on the winding shaft, a connecting stay rope is wound on the winding drum, one section of the working cavity, which, the rack is meshed with the cleaning gear, the rack is fixedly connected with a sliding block in the sliding groove, a reset spring is arranged between the sliding block in the sliding groove and the right end of the sliding groove, a cleaning block is arranged on the outer side of the cleaning shell and connected with the connecting pull rope, an electric sliding rail is fixedly arranged at the top end of the inner cavity, a driving motor and a generator are arranged on the lower side of the electric sliding rail in a sliding manner, the driving motor and the generator are fixedly connected with the sliding block in the electric sliding rail, a driving gear is fixedly arranged on a power shaft of the driving motor, a power generation gear is fixedly arranged on the power shaft of the generator, a transmission rotating shaft is rotatably arranged between the front end and the rear end of the inner cavity, the transmission rotating shaft and the power generation rotating shaft are in transmission connection through a transmission belt pulley, a transmission gear is fixedly arranged on the, the rotary shaft is fixedly provided with a gear, the gear is meshed with the transmission gear, the electric slide rail can drive the driving motor and the generator to move so as to enable the driving gear or the generating gear to be meshed with the gear, the generating gear is meshed with the gear when power is required, the driving gear is meshed with the gear when the generating rotary shaft is driven to rotate by power, the lower left end of the inner cavity is rotatably provided with a hinge, a scraping rod is fixedly arranged on the hinge, a compression spring is connected between the upper end of the scraping rod and the left end of the inner cavity, the lower end of the scraping rod is rotatably provided with an upper hinge, the lower end of the inner cavity is fixedly provided with a push block chute, a push block is slidably arranged on the upper side of the push block chute, the push block is fixedly connected with a slide block in the push block chute, the left end of the push block is rotatably provided with a lower hinge, and a connecting rod is connected between the upper hinge and, when scrape and get when the pole clockwise turning can promote the ejector pad is followed the ejector pad spout slides right, can drive during anticlockwise rotation the ejector pad slides left, works as scrape and get the pole and contact can adsorb when generating electricity the blade the cleaning block, the cleaning block can follow scrape the removal of getting the pole and remove.
2. The power generation device capable of automatically cleaning blades and arranged beside a sewer pipeline according to claim 1, wherein: an electromagnet is fixedly arranged at the left end of the inner cavity, and the scraping rod can be adsorbed after the electromagnet is electrified.
3. The power generation device capable of automatically cleaning blades and arranged beside a sewer pipeline according to claim 1, wherein: the cleaning shell is internally and fixedly provided with a magnet, and the magnet can adsorb the cleaning block to prevent the cleaning block from moving.
4. The power generation device capable of automatically cleaning blades and arranged beside a sewer pipeline according to claim 1, wherein: the fixed mounting block is internally provided with a sealing sliding strip in a sliding manner, the left end of the sealing sliding strip is fixedly provided with a lifting sliding rail, a sliding block in the lifting sliding rail is fixedly connected with the fixed mounting block, and the lifting sliding rail can drive the sealing sliding strip to slide downwards to seal the communicating groove after being started.
5. The power generation device capable of automatically cleaning blades and arranged beside a sewer pipeline according to claim 1, wherein: an air pump is fixedly arranged in the sealing slide bar, and the air pump can boost pressure in the flow cavity to assist in dredging the flow cavity after being started.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011200343.4A CN112253356A (en) | 2020-11-02 | 2020-11-02 | Power generation device capable of automatically cleaning blades and arranged beside sewer pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011200343.4A CN112253356A (en) | 2020-11-02 | 2020-11-02 | Power generation device capable of automatically cleaning blades and arranged beside sewer pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112253356A true CN112253356A (en) | 2021-01-22 |
Family
ID=74267523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011200343.4A Withdrawn CN112253356A (en) | 2020-11-02 | 2020-11-02 | Power generation device capable of automatically cleaning blades and arranged beside sewer pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112253356A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116696641A (en) * | 2023-08-07 | 2023-09-05 | 鸿陆智能科技(山东)有限公司 | Magnetic suspension power generation device |
-
2020
- 2020-11-02 CN CN202011200343.4A patent/CN112253356A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116696641A (en) * | 2023-08-07 | 2023-09-05 | 鸿陆智能科技(山东)有限公司 | Magnetic suspension power generation device |
| CN116696641B (en) * | 2023-08-07 | 2023-10-20 | 鸿陆智能科技(山东)有限公司 | Magnetic suspension power generation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210122 |
|
| WW01 | Invention patent application withdrawn after publication |