CN112594223A - Water pump with large suction force - Google Patents
Water pump with large suction force Download PDFInfo
- Publication number
- CN112594223A CN112594223A CN202011454738.7A CN202011454738A CN112594223A CN 112594223 A CN112594223 A CN 112594223A CN 202011454738 A CN202011454738 A CN 202011454738A CN 112594223 A CN112594223 A CN 112594223A
- Authority
- CN
- China
- Prior art keywords
- water pump
- conveying chamber
- pump main
- main body
- outlet pipe
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 139
- 238000009434 installation Methods 0.000 claims description 50
- 238000000034 method Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/605—Mounting; Assembling; Disassembling specially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/406—Casings; Connections of working fluid especially adapted for liquid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to the technical field of pumps, in particular to a water pump with large suction force, which comprises a water pump main body, wherein a conveying chamber is arranged at the side end of the water pump main body, the conveying chamber is integrally connected with the water pump main body, a fixing hole is formed in the outer edge of the conveying chamber, a connecting piece is connected inside the fixing hole, a pump cover is connected with the outer end of the conveying chamber, and the pump cover is fixedly arranged on the conveying chamber through the matching of the connecting piece and the fixing hole; the water pump main body is arranged on the mounting base arranged at the bottom, and the stop gasket for improving the stability of the water pump main body is connected between the water pump main body and the mounting base.
Description
Technical Field
The invention relates to the technical field of pumps, in particular to a water pump with large suction force.
Background
The water pump equipment applied to the water supply network is divided into two forms of vertical water pump equipment and horizontal water pump equipment. The horizontal water pump equipment comprises a base, at least two horizontal water pumps fixed on the base, a water inlet pipeline, a water outlet pipeline and the like. The water inlet pipeline comprises at least two water inlet components which are respectively connected with the water inlets of the at least two horizontal water pumps and a water inlet main pipe communicated with the at least two water inlet components; the water outlet pipeline comprises at least two water outlet components which are respectively connected with the water outlets of the at least two horizontal water pumps and a water outlet main pipe communicated with the at least two water outlet components. The water inlet main pipe and the water outlet main pipe are respectively communicated with a connecting end pipeline of a water supply network and are respectively supported on the base through a bracket, but the existing water pump still has certain problems in the installation aspect;
the existing water pump usually works by adopting a siphon principle, certain transverse inertia is generated due to the rotation of a rotating blade in a pump body when the water pump works, and the horizontal inertia force generated by the long-time work of the water pump causes the looseness between the base and the water pump and easily causes the water pump to fall off on the base because the water pump is generally installed in a vertical mode with the base at the bottom.
Disclosure of Invention
The present invention is directed to a water pump with a large suction force to solve the problems of the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a water pump with large suction force comprises a water pump main body, wherein a conveying chamber is mounted at the side end of the water pump main body, the conveying chamber and the water pump main body are integrally connected, a fixing hole is formed in the outer edge of the conveying chamber, a connecting piece is connected inside the fixing hole, a pump cover is connected to the outer end of the conveying chamber, and the pump cover is fixedly mounted on the conveying chamber through the matching of the connecting piece and the fixing hole; the water pump body install on the installation base that the bottom set up, water pump body and installation base between be connected with the locking gasket that is used for improving water pump body stability.
Preferably, the bottom of water pump main part be provided with the support frame, the water pump main part pass through support frame and bolt cooperation fixed mounting at the up end of installation base, the locking gasket pass through the bolt fastening on the installation base, just the locking gasket set up outlet pipe and inlet tube bottom, the front end of outlet pipe and inlet tube be connected with pipeline, outlet pipe and inlet tube with the inside intercommunication of transport chamber.
Preferably, the stop washer is provided with a V-shaped convex plate; the V type flange between the combination form the mounting groove, outlet pipe and inlet tube install the mounting groove in, just the V type flange on be provided with the connecting hole, the connecting hole in-connection have a fastener, the fastener pass the outer wall connection of connecting hole inlet tube and outlet pipe, the outer wall of inlet tube and outlet pipe laminate respectively on the surface of the V type flange of both sides.
Preferably, the outer sides of the two groups of V-shaped convex plates are provided with mounting holes, and bolts on the mounting frame at the bottom of the water pump main body penetrate through the mounting holes and are fixedly mounted on the mounting base.
Preferably, the side of lock gasket be provided with protruding piece, the lug install inside the mounting groove that forms between the V type flange, the upper end butt of protruding piece in the delivery room bottom, just protruding piece set up in the middle of the mounting bracket that water pump main part bottom set up, just protruding piece with the mounting bracket contactless.
Preferably, the conveying chamber is internally provided with a rotating shaft, the rotating shaft is connected with a motor inside the water pump main body, the motor drives the rotating shaft to rotate, the rotating shaft is externally connected with a rotating blade, an installation cavity is arranged inside the conveying chamber, the rotating blade is installed inside the installation cavity and fixedly connected with the rotating shaft, the rotating blade is driven by the motor to rotate inside the installation cavity, the installation cavity is formed by combining and connecting the conveying chamber and the pump cover, the inner wall of the pump cover is connected with an installation disc, and the outer end of the rotating blade is rotatably installed on the installation disc.
Preferably, the bottom of the mounting cavity is provided with a communication port, the communication port is respectively communicated with the water inlet pipe and the water outlet pipe, the outer surface of the V-shaped convex plate is embedded and abutted to the outside of the conveying chamber, the outer surface of the conveying chamber is connected with a plurality of groups of radiating fins, and radiating gaps are reserved among the radiating fins.
Compared with the prior art, the invention has the beneficial effects that:
1. through the V type flange of butt in inlet tube and outlet pipe and transport chamber outside for the horizontal inertia force that produces when the rotating vane of transport chamber inside rotates can offset, has avoided the installation between water pump main part and the installation base to take place not hard up, effectively guarantees that water pump main part can the stable installation on the installation base.
2. Through the combined installation between locking gasket and the installation base, guarantee that the water pump main part can effectively be installed on the installation base, improved water pump main part installation overall installation stability, make water pump main part monolithic stationary simultaneously, guarantee that water pump main part work can be stable, improved water pump main part's work efficiency.
3. Through V type flange butt on outlet pipe and inlet tube, effectively guaranteed the stability of inlet tube and outlet pipe connection in the water pump main part, guaranteed that inlet tube and outlet pipe can stabilize and be connected with outside pipeline to improve the holistic stability of water pump main part, and then improved the work efficiency of water pump main part.
Drawings
FIG. 1 is a schematic view of a combined connection structure between a water pump body, a stop washer and a mounting base according to the present invention;
FIG. 2 is a schematic view of the connection structure of the stop washer of the present invention mounted on the water pump body;
FIG. 3 is a schematic view of another perspective view of the retaining washer mounted on the water pump body according to the present invention;
FIG. 4 is a schematic view of the connection structure of the components of the adjusting mechanism;
FIG. 5 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
fig. 6 is a sectional view of the connection structure inside the water pump main body according to the present invention.
In the figure: 10. a water pump main body; 11. a water inlet pipe; 12. a water outlet pipe; 13. a delivery chamber; 131. a connecting member; 132. a heat sink; 133. a pump cover; 14. a control valve; 15. a rotating shaft; 16. rotating the blades; 17. a fixing hole; 18. a communication port; 19. mounting a disc; 191. installing a cavity;
20. installing a base;
30. a delivery conduit;
40. a stopper spacer; 41. a V-shaped convex plate; 42. a fastener.
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.
Examples
Referring to fig. 1-6, there are shown: the embodiment is a preferred embodiment in the technical scheme, and a water pump with large suction force comprises a water pump main body 10, wherein a conveying chamber 13 is installed at the side end of the water pump main body 10, the conveying chamber 13 is integrally connected with the water pump main body 10, a fixing hole 17 is formed in the outer edge of the conveying chamber 13, a connecting piece 131 is connected inside the fixing hole 17, a pump cover 133 is connected to the outer end of the conveying chamber 13, the pump cover 133 is fixedly installed on the conveying chamber 13 through the matching of the connecting piece 131 and the fixing hole 17, the water pump main body 10 is installed on an installation base 20 arranged at the bottom, and a stop gasket 40 for improving the stability of the water pump main body 10 is connected between the water pump main body 10 and the installation base 20; the side end of the V-shaped convex plate 41 is abutted to the outside of the water pump main body 10 through the stop gasket 40 arranged at the bottom of the water pump main body 10 and the fastening piece 42, so that the stability of the water pump main body 10 arranged on the mounting base 20 is improved;
the bottom of the water pump main body 10 is provided with a support frame, the water pump main body 10 is fixedly installed on the upper end surface of the installation base 20 through the support frame and the bolt in a matching manner, the stop gasket 40 is fixed on the installation base 20 through the bolt, the stop gasket 40 is arranged at the bottom of the water outlet pipe 12 and the water inlet pipe 11, the front ends of the water outlet pipe 12 and the water inlet pipe 11 are connected with a conveying pipeline 30, and the water outlet pipe 12 and the water inlet pipe 11 are communicated with the interior of the conveying chamber 13; the water pump main body 10 can be fixedly installed on the installation base 20 through the installation base 20 arranged at the bottom of the stop gasket 40, so that the water pump main body 10 can be installed on the installation base 20 and can normally and stably work;
the stop washer 40 is provided with a V-shaped convex plate 41; the V-shaped convex plates 41 are combined to form a mounting groove, the water outlet pipe 12 and the water inlet pipe 11 are mounted in the mounting groove, connecting holes are formed in the V-shaped convex plates 41, fastening pieces 42 are connected in the connecting holes, the fastening pieces 42 penetrate through the connecting holes to connect the water inlet pipe 11 with the outer wall of the water outlet pipe 12, and the outer walls of the water inlet pipe 11 and the water outlet pipe 12 are respectively attached to the outer surfaces of the V-shaped convex plates 41 on the two sides;
mounting holes are formed in the outer sides of the two groups of V-shaped convex plates 41, and bolts on a mounting rack at the bottom of the water pump main body 10 penetrate through the mounting holes to be fixedly mounted with the mounting base 20;
the side end of the stop washer 40 is provided with a convex block, the convex block is arranged in a mounting groove formed between the V-shaped convex plates 41, the upper end of the convex block abuts against the bottom of the conveying chamber 13, the convex block is arranged in the middle of a mounting frame arranged at the bottom of the water pump main body 10, and the convex block is not in contact with the mounting frame; the V-shaped convex plate 41 which is abutted against the water inlet pipe 11, the water outlet pipe 12 and the outside of the conveying chamber 13 enables the transverse inertia force generated when the rotating blade 16 inside the conveying chamber 13 rotates to be offset, and the looseness of the installation between the water pump main body 10 and the installation base 20 is avoided;
a rotating shaft 15 is arranged in the conveying chamber 13, the rotating shaft 15 is connected with a motor in the water pump main body 10, the motor drives the rotating shaft 15 to rotate, a rotating blade 16 is connected to the outside of the rotating shaft 15, an installation cavity 191 is arranged in the conveying chamber 13, the rotating blade 16 is installed in the installation cavity 191 and fixedly connected with the rotating shaft 15, the rotating blade 16 is driven by the motor to rotate in the installation cavity 191, the installation cavity 191 is formed by combining and connecting the conveying chamber 13 and the pump cover 133, an installation disc 19 is connected to the inner wall of the pump cover 133, and the outer end of the rotating blade 16 is rotatably installed on the installation disc 19; the internal motor drives the rotating blade 16 to enable the water pump main body 10 to carry out water inlet and outlet work, and normal water inlet and outlet work inside the water pump main body 10 is guaranteed;
the bottom of the mounting cavity 191 is provided with a communication port 18, the communication port 18 is respectively communicated with the water inlet pipe 11 and the water outlet pipe 12, the outer surface of the V-shaped convex plate 41 is embedded and abutted on the outer part of the conveying chamber 13, the outer surface of the conveying chamber 13 is connected with a plurality of groups of radiating fins 132, and radiating gaps are reserved among the radiating fins 132; through the radiating fins 132 arranged on the outer part 10 of the water pump main body, the internal working components are effectively radiated when the water pump main body 10 works, and the normal working temperature in the water pump main body 10 is ensured;
in this embodiment, through the stop washer 40 that sets up in water pump main part 10 bottom, through fastener 42 with the outside butt of V type flange 41 in water pump main part 10, the stability of installing on installation base 20 of water pump main part 10 has been improved, simultaneously through butt at inlet tube 11 and outlet pipe 12 and the outside V type flange 41 of delivery chamber 13, make the horizontal inertia force that produces when the rotating vane 16 of delivery chamber 13 inside rotates can offset, avoided the installation between water pump main part 10 and the installation base 20 to take place not hard up, effectively guarantee that water pump main part 10 can the stable installation on installation base 20.
While the invention has been described in further detail in connection with specific embodiments thereof, it will be understood that the invention is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the invention, which should be considered to be within the scope of the invention as defined by the appended claims.
Claims (7)
1. A water pump with large suction force comprises a water pump main body (10), wherein a conveying chamber (13) is installed at the side end of the water pump main body (10), the conveying chamber (13) is integrally connected with the water pump main body (10), a fixing hole (17) is formed in the outer edge of the conveying chamber (13), a connecting piece (131) is connected inside the fixing hole (17), a pump cover (133) is connected to the outer end of the conveying chamber (13), and the pump cover (133) is fixedly installed on the conveying chamber (13) through the matching of the connecting piece (131) and the fixing hole (17);
the method is characterized in that:
the water pump body (10) is arranged on an installation base (20) arranged at the bottom, and a stop gasket (40) used for improving the stability of the water pump body (10) is connected between the water pump body (10) and the installation base (20).
2. A high suction water pump as claimed in claim 1, wherein: the bottom of water pump main part (10) be provided with the support frame, water pump main part (10) through support frame and bolt cooperation fixed mounting at the up end of installation base (20), locking gasket (40) pass through the bolt fastening on installation base (20), just locking gasket (40) set up outlet pipe (12) and inlet tube (11) bottom, the front end of outlet pipe (12) and inlet tube (11) be connected with pipeline (30), outlet pipe (12) and inlet tube (11) with the inside intercommunication of delivery chamber (13).
3. A high suction water pump as claimed in claim 2, wherein: the stop washer (40) is provided with a V-shaped convex plate (41); v type flange (41) between the combination form the mounting groove, outlet pipe (12) install with inlet tube (11) the mounting groove in, just V type flange (41) on be provided with the connecting hole, connecting hole in-connection have fastener (42), fastener (42) pass the outer wall connection of connecting hole inlet tube (11) and outlet pipe (12), the outer wall of inlet tube (11) and outlet pipe (12) laminate respectively on the surface of the V type flange (41) of both sides.
4. A high suction water pump according to any one of claims 2 or 3, wherein: and mounting holes are formed in the outer sides of the two groups of V-shaped convex plates (41), and bolts on a mounting frame at the bottom of the water pump main body (10) penetrate through the mounting holes and are fixedly mounted on the mounting base (20).
5. The water pump with large suction force according to claim 4, wherein: the side of lock washer (40) be provided with protruding piece, the lug install inside the mounting groove that forms between V type flange (41), the upper end butt of protruding piece in transport room (13) bottom, just protruding piece set up in the middle of the mounting bracket that water pump main part (10) bottom set up, just protruding piece with the mounting bracket contactless.
6. A high suction water pump as claimed in claim 1, wherein: the novel water pump is characterized in that a rotating shaft (15) is arranged inside the conveying chamber (13), the rotating shaft (15) is connected with a motor inside the water pump main body (10), the motor drives the rotating shaft (15) to rotate, a rotating blade (16) is connected to the outer portion of the rotating shaft (15), an installation cavity (191) is arranged inside the conveying chamber (13), the rotating blade (16) is installed inside the installation cavity (191) and fixedly connected with the rotating shaft (15), the rotating blade (16) is driven to rotate inside the installation cavity (191) through the motor, the installation cavity (191) is formed by combining and connecting the conveying chamber (13) and the pump cover (133), an installation disc (19) is connected to the inner wall of the pump cover (133), and the outer end of the rotating blade (16) is rotatably installed on the installation disc (19).
7. The water pump with large suction force according to claim 6, wherein: the bottom of the mounting cavity body (191) is provided with a communication port (18), the communication port (18) is respectively communicated with the water inlet pipe (11) and the water outlet pipe (12), the outer surface of the V-shaped convex plate (41) is embedded and abutted to the outer part of the conveying chamber (13), the outer surface of the conveying chamber (13) is connected with a plurality of groups of radiating fins (132), and radiating gaps are reserved among the radiating fins (132).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011454738.7A CN112594223A (en) | 2020-12-10 | 2020-12-10 | Water pump with large suction force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011454738.7A CN112594223A (en) | 2020-12-10 | 2020-12-10 | Water pump with large suction force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112594223A true CN112594223A (en) | 2021-04-02 |
Family
ID=75192191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011454738.7A Pending CN112594223A (en) | 2020-12-10 | 2020-12-10 | Water pump with large suction force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112594223A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001082397A (en) * | 1999-09-16 | 2001-03-27 | Sanyo Electric Co Ltd | Fixing structure of circulation pump |
| CN106015022A (en) * | 2016-05-11 | 2016-10-12 | 浙江贝德泵业有限公司 | Horizontal pipeline centrifugal pump with multi-directional output function |
| US20190360502A1 (en) * | 2018-05-25 | 2019-11-28 | Gp Enterprises Co., Ltd | Super-silent intelligent water pump which is able to do self-priming by identifying of water flow whereas no necessity of water pre-filling |
| CN110714928A (en) * | 2019-10-23 | 2020-01-21 | 湖北正信管件有限公司 | Water pump shell casting |
| CN110821893A (en) * | 2019-12-16 | 2020-02-21 | 黄秀琼 | Centrifugal pump with pump cover convenient to replace and using method |
-
2020
- 2020-12-10 CN CN202011454738.7A patent/CN112594223A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001082397A (en) * | 1999-09-16 | 2001-03-27 | Sanyo Electric Co Ltd | Fixing structure of circulation pump |
| CN106015022A (en) * | 2016-05-11 | 2016-10-12 | 浙江贝德泵业有限公司 | Horizontal pipeline centrifugal pump with multi-directional output function |
| US20190360502A1 (en) * | 2018-05-25 | 2019-11-28 | Gp Enterprises Co., Ltd | Super-silent intelligent water pump which is able to do self-priming by identifying of water flow whereas no necessity of water pre-filling |
| CN110714928A (en) * | 2019-10-23 | 2020-01-21 | 湖北正信管件有限公司 | Water pump shell casting |
| CN110821893A (en) * | 2019-12-16 | 2020-02-21 | 黄秀琼 | Centrifugal pump with pump cover convenient to replace and using method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209781304U (en) | Centrifugal pump | |
| CN108757495B (en) | Intelligent centrifugal pump | |
| WO2015000207A1 (en) | Ceiling type ventilation fan | |
| CN112594223A (en) | Water pump with large suction force | |
| CN214501488U (en) | Electric control box of air conditioner outdoor unit and air conditioner outdoor unit | |
| CN212163082U (en) | Mechanical automatic refrigeration and heat dissipation motor | |
| KR20140124719A (en) | Drain pump | |
| CN211082289U (en) | Alkaline washing pump for alkylation reaction product | |
| WO2019047471A1 (en) | Wind wheel and blower using same | |
| CN219605651U (en) | Volute of centrifugal cabinet fan | |
| CN216429951U (en) | Vertical pipeline centrifugal pump for ship | |
| CN218653712U (en) | Household oxygenerator | |
| CN215580690U (en) | Special horizontal motor of oil pressure | |
| CN216589209U (en) | Fan with general mounting structure of flabellum | |
| CN219062013U (en) | Supercharging device and gas water heater | |
| CN220779648U (en) | Liquid cooling heat abstractor of energy storage rack | |
| CN220338586U (en) | Novel window machine that wafts of air-out structure | |
| CN217883076U (en) | High-efficient heat dissipation type permanent magnet speed regulation ware | |
| CN215409244U (en) | Electric water pump | |
| JP7187374B2 (en) | motor pump | |
| CN216845744U (en) | Variable flow cooling tower group | |
| CN218862877U (en) | Pump system and isolated methyl alcohol pump of motor system | |
| KR200354897Y1 (en) | Pump | |
| EP4269903A2 (en) | An integrated heat pump water heater | |
| CN217274605U (en) | Spraying fan |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210402 |
|
| RJ01 | Rejection of invention patent application after publication |