CN109973366A - A kind of cone shaped elastic valve piezoelectric pump - Google Patents
A kind of cone shaped elastic valve piezoelectric pump Download PDFInfo
- Publication number
- CN109973366A CN109973366A CN201910288990.6A CN201910288990A CN109973366A CN 109973366 A CN109973366 A CN 109973366A CN 201910288990 A CN201910288990 A CN 201910288990A CN 109973366 A CN109973366 A CN 109973366A
- Authority
- CN
- China
- Prior art keywords
- pump body
- spring
- lower pump
- valve
- upper cover
- 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
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 230000008676 import Effects 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 239000011148 porous material Substances 0.000 claims description 4
- 230000010355 oscillation Effects 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 claims 1
- 238000001764 infiltration Methods 0.000 claims 1
- 238000012377 drug delivery Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000009977 dual effect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/04—Pumps having electric drive
- F04B43/043—Micropumps
- F04B43/046—Micropumps with piezoelectric drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of cone shaped elastic valve piezoelectric pumps；Including middle pump body, lower pump body, upper cover, single-chip piezoelectric patches, sealing ring, cone valve, spring, screw and nut；The lower pump body opens up lower pump body import and lower pump body outlet, cooperated by the inlet that lower pump body import and middle pump body open up, the liquid outlet that lower pump body outlet and middle pump body open up is cooperated, at the cooperation of the inlet that spring and cone valve are assembled and are mounted on middle pump body and lower pump body import, cone valve and spring are reversibly mounted at lower pump body outlet and the liquid outlet cooperation of middle pump body, it is described by the way that round rubber circle is mounted between middle pump body and lower pump body, single-chip piezoelectric patches between upper cover and middle pump body is fixed for the cooperation by screw and nut, and by upper cover, middle pump body and lower pump body are assembled, complete the assembly of piezoelectric pump；The utility model has the characteristics that output flow is high, has broad application prospects in field of drug delivery.
Description
Technical field
The present invention relates to a kind of cone shaped elastic valve piezoelectric pumps, belong to field of fluid machinery.
Background technique
Piezoelectric pump, using the periodic vibration of piezoelectric patches, makes piezoelectric pump inner space generate week using piezoelectric patches as driving source
The variation of phase property, under the variation of internal and external pressure difference, realizes the continuous output of liquid, traditional passive valve piezoelectric pump includes cantilever beam
Valve piezoelectric pump and umbrella valve piezoelectric pump, the valve of these passive valve piezoelectric pumps have the shortcomings that cut-off property is poor, result in piezoelectric pump
Output flow is substantially reduced, and the field for conveying piezoelectric pump in drug, which hardly results in, to be widely applied.
Summary of the invention
The present invention current piezoelectric pump there are aiming at the problem that, propose the piezoelectricity that a kind of output performance is stable, output flow is high
Pump.
The technical solution adopted by the present invention is that: a kind of cone shaped elastic valve piezoelectric pump, including middle pump body (1), lower pump body (2),
Upper cover (3), single-chip piezoelectric patches (4), sealing ring (5), round rubber circle (6), cone valve (7), spring (8), screw (9) and spiral shell
Female (10)；
The lower pump body (2) offers lower pump body import (2-1) and lower pump body outlet (2-2), and the middle pump body (1) opens up
Inlet (1-1) and liquid outlet (1-2), by the inlet (1-1) that middle pump body (1) opens up and the lower pump body that lower pump body (2) opens up
Import (2-1) is cooperated, and the lower pump body outlet (2-2) that the liquid outlet (1-2) and lower pump body (2) of middle pump body (1) open up carries out
Cooperate, opened up spring card slot (1-5) at the inlet (1-1) of the middle pump body (1), the cone valve (7) opens up spring connection
Locate (7-2), one end of spring (8) is fixed on spring card slot (1-5), the other end of spring (8) is fixed on cone valve
(7) spring junction (7-2) makes the lower pump body import (2-1) of the cone valve conical surface (7-1) and lower pump body (2) of cone valve (7)
Place is contacted, and spring fixing groove (2-5) is opened up at the lower pump body outlet (2-2) of the lower pump body (2), by spring (8) one end
It is internal to be mounted on spring fixing groove (2-5), the other end is also attached with the spring junction (7-2) of cone valve (7), by taper
The cone valve conical surface (7-1) of valve (7) is cooperated with the liquid outlet (1-2) of middle pump body (1), and the top of the middle pump body (1) is opened
If seal groove (1-3), in this seal groove (1-3) placed inside sealing ring (5), upper cover (3) lower end opens up rubber groove (3-
1) sealing ring (5), is mounted on rubber groove (3-1) inside, the cooperation by upper cover (3) and middle pump body (1), by single-chip
Piezoelectric patches (4) is fixed, and the screw (9) and nut (10) pass through upper cover screw hole (3-2), middle pump body that upper cover (3) open up
(1) screw hole (2-4) that the screw hole (1-4) and lower pump body (2) opened up opens up is cooperated, and the assembling of entire piezoelectric pump is completed；
As a further improvement of the above technical scheme, the middle pump body (1) opens up lower seal groove cavity (1-6) and lower pump body
(2) placement round rubber circle (6) between seal groove (2-3) is opened up, liquid can be prevented to exosmosis；
As a further improvement of the above technical scheme, the upper cover (3) opens up medium pore (3-3), by opening up center
Hole (3-3) can make single-chip piezoelectric patches (4) to have enough oscillation spaces；
As a further improvement of the above technical scheme, 2 balance runners (7-3) are opened up inside the cone valve (7), 2
A balance runner (7-3) converges to the central flow channel (7-4) of cone valve (7) lower end, can be with the flowing of more convenient liquid.
The beneficial effects of the present invention are:
Cone valve can effectively improve the cut-off of valve as check valve；
The use of spring can preferably increase the opening force of cone valve, significantly more efficient to increase the output of piezoelectric pump
Flow.
Detailed description of the invention
Fig. 1 show cross-sectional view of the invention.
Fig. 2 show perspective view of the explosion of the invention.
Fig. 3 show the transverse sectional view of middle pump body of the invention.
Fig. 4 show the structural schematic diagram of middle pump body of the invention.
Fig. 5 show the lateral schematic diagram of lower pump body of the invention.
Fig. 6 show the structural schematic diagram of lower pump body of the invention.
Fig. 7 show the transverse sectional view of upper cover of the invention.
Fig. 8 show the structural schematic diagram of upper cover of the invention.
Fig. 9 show the cross-sectional view of cone valve of the invention.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing to the present invention into
Row detailed description, the description of this part be only it is exemplary and explanatory, should not have any limitation to protection scope of the present invention
Effect.
Please refer to Fig. 1~9, in the embodiment of the present invention, specific structure includes:
A kind of cone shaped elastic valve piezoelectric pump, including middle pump body (1), lower pump body (2), upper cover (3), single-chip piezoelectric patches (4),
Sealing ring (5), round rubber circle (6), cone valve (7), spring (8), screw (9) and nut (10)；The lower pump body (2) opens up
There are lower pump body import (2-1) and lower pump body outlet (2-2), the middle pump body (1) opens up inlet (1-1) and liquid outlet (1-2),
The inlet (1-1) that middle pump body (1) opens up and the lower pump body import (2-1) that lower pump body (2) opens up are cooperated, middle pump body
(1) the lower pump body outlet (2-2) that liquid outlet (1-2) and lower pump body (2) opens up is cooperated, the feed liquor of the middle pump body (1)
It is opened up spring card slot (1-5) at mouth (1-1), the cone valve (7) opens up spring junction (7-2), and one end of spring (8) is pacified
Dress is fixed on spring card slot (1-5), and the other end of spring (8) is fixed on to the spring junction (7-2) of cone valve (7), makes to bore
It is contacted at the lower pump body import (2-1) of the cone valve conical surface (7-1) and lower pump body (2) of shape valve (7), the lower pump body (2)
Lower pump body outlet (2-2) at open up spring fixing groove (2-5), spring (8) one end is mounted in spring fixing groove (2-5)
Portion, the other end are also attached with the spring junction (7-2) of cone valve (7), by the cone valve conical surface (7-1) of cone valve (7)
Cooperated with the liquid outlet (1-2) of middle pump body (1), the top of the middle pump body (1) opens up seal groove (1-3), seals herein
Slot (1-3) placed inside sealing ring (5), upper cover (3) lower end open up rubber groove (3-1), sealing ring (5) are mounted on rubber
Slot (3-1) is internal, and the cooperation by upper cover (3) and middle pump body (1) single-chip piezoelectric patches (4) is fixed, the spiral shell
Nail (9) and nut (10) pass through the screw hole (1-4) that upper cover (3) upper cover screw hole (3-2), middle pump body (1) for opening up opens up and under
The screw hole (2-4) that the pump housing (2) opens up is cooperated, and the assembling of entire piezoelectric pump is completed；
As a further improvement of the above technical scheme, the middle pump body (1) opens up lower seal groove cavity (1-6) and lower pump body
(2) placement round rubber circle (6) between seal groove (2-3) is opened up, liquid can be prevented to exosmosis；
As a further improvement of the above technical scheme, the upper cover (3) opens up medium pore (3-3), by opening up center
Hole (3-3) can make single-chip piezoelectric patches (4) to have enough oscillation spaces；
As a further improvement of the above technical scheme, 2 balance runners (7-3) are opened up inside the cone valve (7), 2
A balance runner (7-3) converges to the central flow channel (7-4) of cone valve (7) lower end, can be with the flowing of more convenient liquid.
The course of work of the invention is divided into first course of work and second course of work:
First course of work: single-chip piezoelectric patches (4) is under the excitation of positive ac signal to the medium pore of upper cover (3)
(3-3) bending deformation, the internal volume of middle pump body (1) increase, and pressure reduces, and the cone valve (7) at lower pump body import (2-1) exists
It is moved up under elastic force and the pressure dual effect of spring (8), the lower pump body import (2-1) of lower pump body (2) is opened, and liquid is under
Pump housing import (2-1) flows into middle pump body (1) inside by the inlet (1-1) that middle pump body (1) opens up, while lower pump body exports
Cone valve (7) at (2-2) also moves up closing liquid outlet (1-2) under the action of dual power, prevents liquid from by going out liquid
It is internal that mouth (1-2) flows into middle pump body (1)；
Second course of work: under the excitation of Opposed crossing electric signal, single-chip piezoelectric patches (4) is bent downwardly deformation, in
The internal volume of the pump housing (1) reduces, and pressure increases, the cone valve (7) at inlet (1-1) and liquid outlet (1-2) pressure with
Spring moves down simultaneously under the action of (8), and lower pump body import at this time (2-1) is stifled by the cone valve conical surface (7-1) of cone valve (7)
Firmly, liquid cannot be flowed out by lower pump body import (2-1), while liquid outlet (1-2) is opened, and lower pump body exports (2-2) cannot be by
Cone valve (7) is blocked, and liquid flows out piezoelectric pump through liquid outlet (1-2) and lower pump body outlet (2-2), by above-mentioned two worked
The cycle operation of journey realizes the continuous output of liquid.
Used herein a specific example illustrates the principle and implementation of the invention, and described above is applicable in
In facilitating the understanding of the method and its core concept of the invention.The above is only a preferred embodiment of the present invention, it is noted that
Due to the finiteness of literal expression, and objectively there is unlimited specific structure, for those skilled in the art
For, without departing from the principle of the present invention, several improvement, retouching or variation can also be made, it can also be by above-mentioned skill
Art feature is combined in the right way；These improve retouching, variation or combination, or not improved design and skill by invention
Art scheme directly applies to other occasions, is regarded as protection scope of the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (4)
1. a kind of cone shaped elastic valve piezoelectric pump, including it is middle pump body (1), lower pump body (2), upper cover (3), single-chip piezoelectric patches (4), close
Seal (5), round rubber circle (6), cone valve (7), spring (8), screw (9) and nut (10)；The lower pump body (2) offers
Lower pump body import (2-1) and lower pump body outlet (2-2), the middle pump body (1) open up inlet (1-1) and liquid outlet (1-2), will
The lower pump body import (2-1) that the inlet (1-1) and lower pump body (2) that middle pump body (1) opens up open up is cooperated, middle pump body (1)
Liquid outlet (1-2) and lower pump body (2) open up lower pump body outlet (2-2) cooperated, the inlet of the middle pump body (1)
It is opened up at (1-1) spring card slot (1-5), the cone valve (7) opens up spring junction (7-2), and one end of spring (8) is installed
It is fixed on spring card slot (1-5), the other end of spring (8) is fixed on to the spring junction (7-2) of cone valve (7), makes taper
It is contacted at the lower pump body import (2-1) of the cone valve conical surface (7-1) and lower pump body (2) of valve (7), the lower pump body (2)
Spring fixing groove (2-5) is opened up at lower pump body outlet (2-2), spring (8) one end is mounted on spring fixing groove (2-5) inside,
The other end is also attached with the spring junction (7-2) of cone valve (7), by the cone valve conical surface (7-1) of cone valve (7) in
The liquid outlet (1-2) of the pump housing (1) is cooperated, and the top of the middle pump body (1) opens up seal groove (1-3), in this seal groove (1-
3) placed inside sealing ring (5), upper cover (3) lower end open up rubber groove (3-1), sealing ring (5) are mounted on rubber groove (3-
1) internal, single-chip piezoelectric patches (4) is fixed for the cooperation by upper cover (3) and middle pump body (1), the screw (9)
The screw hole (1-4) and lower pump body opened up with nut (10) by upper cover screw hole (3-2), middle pump body (1) that upper cover (3) open up
(2) screw hole (2-4) opened up is cooperated, and the assembling of entire piezoelectric pump is completed.
2. a kind of cone shaped elastic valve piezoelectric pump according to claim 1, it is characterised in that: the middle pump body (1) opens up down
Seal groove (1-6) and lower pump body (2) open up placement round rubber circle (6) between seal groove (2-3), and liquid can be prevented outside
Infiltration.
3. a kind of cone shaped elastic valve piezoelectric pump according to claim 1, it is characterised in that: the upper cover (3) opens up center
Hole (3-3) can make single-chip piezoelectric patches (4) to have enough oscillation spaces by opening up medium pore (3-3).
4. a kind of cone shaped elastic valve piezoelectric pump according to claim 1, it is characterised in that: opened inside the cone valve (7)
If 2 balance runners (7-3), 2 balance runners (7-3) converge to the central flow channel (7-4) of cone valve (7) lower end, Ke Yigeng
Add the flowing for facilitating liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910288990.6A CN109973366A (en) | 2019-04-11 | 2019-04-11 | A kind of cone shaped elastic valve piezoelectric pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910288990.6A CN109973366A (en) | 2019-04-11 | 2019-04-11 | A kind of cone shaped elastic valve piezoelectric pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109973366A true CN109973366A (en) | 2019-07-05 |
Family
ID=67084056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910288990.6A Pending CN109973366A (en) | 2019-04-11 | 2019-04-11 | A kind of cone shaped elastic valve piezoelectric pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109973366A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112676104A (en) * | 2020-12-06 | 2021-04-20 | 北京工业大学 | Dispensing device based on piezoelectric pump drive |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58160576A (en) * | 1982-03-19 | 1983-09-24 | Nikkiso Co Ltd | Bellows pump |
| CN2300737Y (en) * | 1997-04-29 | 1998-12-16 | 刘彤 | Bidirection high-effect electromagnetic pluger pump |
| CN101363434A (en) * | 2008-09-08 | 2009-02-11 | 重庆山外山科技有限公司 | Diaphragm metering pump for purifying blood |
| CN202228727U (en) * | 2011-02-21 | 2012-05-23 | 杭州西湖阀门厂 | Novel wafer check valve |
| CN202579119U (en) * | 2012-06-04 | 2012-12-05 | 浙江师范大学 | Novel self-induced piezoelectric membrane pump |
| CN103032297A (en) * | 2012-12-06 | 2013-04-10 | 浙江师范大学 | Piezoelectric pump based on disk type sensor valve |
| CN204827902U (en) * | 2015-08-13 | 2015-12-02 | 兖州煤业股份有限公司 | General auto -lock toper check valve |
| CN205331513U (en) * | 2016-01-25 | 2016-06-22 | 浙江水魔力机电设备有限公司 | Plunger type is check valve for high -pressure pump |
| CN207740147U (en) * | 2018-01-12 | 2018-08-17 | 长春工业大学 | Import and export Valveless piezoelectric pump of the cavity with class pagoda shape bluff body |
| CN109162903A (en) * | 2018-09-20 | 2019-01-08 | 长春工业大学 | A kind of novel circular plate type float trap piezoelectric pump |
-
2019
- 2019-04-11 CN CN201910288990.6A patent/CN109973366A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58160576A (en) * | 1982-03-19 | 1983-09-24 | Nikkiso Co Ltd | Bellows pump |
| CN2300737Y (en) * | 1997-04-29 | 1998-12-16 | 刘彤 | Bidirection high-effect electromagnetic pluger pump |
| CN101363434A (en) * | 2008-09-08 | 2009-02-11 | 重庆山外山科技有限公司 | Diaphragm metering pump for purifying blood |
| CN202228727U (en) * | 2011-02-21 | 2012-05-23 | 杭州西湖阀门厂 | Novel wafer check valve |
| CN202579119U (en) * | 2012-06-04 | 2012-12-05 | 浙江师范大学 | Novel self-induced piezoelectric membrane pump |
| CN103032297A (en) * | 2012-12-06 | 2013-04-10 | 浙江师范大学 | Piezoelectric pump based on disk type sensor valve |
| CN204827902U (en) * | 2015-08-13 | 2015-12-02 | 兖州煤业股份有限公司 | General auto -lock toper check valve |
| CN205331513U (en) * | 2016-01-25 | 2016-06-22 | 浙江水魔力机电设备有限公司 | Plunger type is check valve for high -pressure pump |
| CN207740147U (en) * | 2018-01-12 | 2018-08-17 | 长春工业大学 | Import and export Valveless piezoelectric pump of the cavity with class pagoda shape bluff body |
| CN109162903A (en) * | 2018-09-20 | 2019-01-08 | 长春工业大学 | A kind of novel circular plate type float trap piezoelectric pump |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112676104A (en) * | 2020-12-06 | 2021-04-20 | 北京工业大学 | Dispensing device based on piezoelectric pump drive |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105508208A (en) | Piezoelectric pump | |
| CN110439789B (en) | Single-cavity axial flow type valved piezoelectric pump and driving method | |
| CN109973366A (en) | A kind of cone shaped elastic valve piezoelectric pump | |
| CN109162903A (en) | A kind of novel circular plate type float trap piezoelectric pump | |
| CN109798239A (en) | A kind of Valveless piezoelectric pump of intracavitary a variety of bluff bodys | |
| CN108204355A (en) | A kind of 3 points of clamped membrane valve piezoelectric pumps | |
| CN209083523U (en) | A kind of novel circular plate type float trap piezoelectric pump | |
| CN218207049U (en) | Plunger pump with bubble eliminating structure | |
| CN208203516U (en) | The double outlet piezoelectric pumps of single-chamber with bluff body | |
| CN205895687U (en) | Impeller subassembly in deep -well pump | |
| CN107120267A (en) | A kind of electromagnetic pump for improving discharge stability | |
| CN207212661U (en) | A kind of electromagnetic pump for improving discharge stability | |
| CN209510558U (en) | A kind of new shaft core component suitable for Electromagnetic water pump | |
| CN204419567U (en) | High efficiency screw vaccum pump | |
| CN209892437U (en) | Plunger mounting structure of plunger pump | |
| CN203548317U (en) | L-shaped sealing ring structure for pump shell of centrifugal pump | |
| CN203384037U (en) | High pressure water pump cover body | |
| CN206017263U (en) | The diffuser structure of water pump | |
| CN208221047U (en) | A kind of 3 points of clamped membrane valve piezoelectric pumps | |
| CN207945057U (en) | A kind of water pump | |
| CN206753914U (en) | A kind of high-power centrifugal pump body | |
| CN207064738U (en) | The check valve assembly of Novel garden pump | |
| CN208431193U (en) | Pump uses sealing element | |
| US3751188A (en) | Valveless pump | |
| CN206487612U (en) | Bellows pump check valve body component |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190705 |