CN206652628U - Second fluid nozzle - Google Patents
Second fluid nozzle Download PDFInfo
- Publication number
- CN206652628U CN206652628U CN201720346736.3U CN201720346736U CN206652628U CN 206652628 U CN206652628 U CN 206652628U CN 201720346736 U CN201720346736 U CN 201720346736U CN 206652628 U CN206652628 U CN 206652628U
- Authority
- CN
- China
- Prior art keywords
- face
- gas
- adapter
- liquid
- pedestal
- 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- Withdrawn - After Issue
Links
Abstract
A kind of second fluid nozzle, include a pedestal, liquid adapter and a confluence module.Pedestal it is cylindrical and with a first end face and one in contrast to first end face second end face, and the adapter storage tank that the axis formed with one from first end face along pedestal extend toward second end face direction, an and gas flow with multiple branch flow passage portions.Liquid adapter is inserted in adapter storage tank and partly protrudes out first end face, and has a body, and one is connected to shunt block in body.The port of export of shunt block adjacent tubes simultaneously defines a fluid passage with body jointly.Confluence module connects pedestal and covers first end face and the part of first end face is protruded out around liquid adapter, so that gas sprays after confluxing with liquid.Whereby, when applied to being granulated in processing procedure, the particle diameter of be granulated particle can be made more uniformly to refine, improve the yield of small size particle.
Description
Technical field
A kind of second fluid nozzle is the utility model is related to, more particularly to a kind of second fluid nozzle for being used to be granulated.
Background technology
The manufacturing process of some existing materials has to pass through mist projection granulating processing procedure, such as the silicon-carbon cathode material for lithium battery
Material.Second fluid nozzle is used in general mist projection granulating processing procedure so that liquid slurry forms particulate by gas aerosol dispersion, therefore
The efficiency that nozzle forms spraying for fluid is one of them important factor of the particle size of influence granulation.
However, the particle of particle diameter below 10 μm of the more difficult volume production of current second fluid nozzle, can not meet economic benefit, still have
Improved space.
The content of the invention
A wherein purpose of the present utility model, which is to provide, a kind of to be relatively easy to form the second fluid nozzle compared with small size particle.
Second fluid nozzle of the present utility model in some embodiment aspects, is converged comprising a pedestal, liquid adapter and one
Flow module.The pedestal it is cylindrical and with a first end face and one in contrast to the first end face second end face, and formed with one
The adapter storage tank that axis from the first end face along the pedestal extends toward the second end face direction, and one have multiple branch flow passages
The gas flow in portion, the branch flow passage portion from the parallel axis of the first end face toward the second end face direction extend and it is alternate each other
It is distributed in around the adapter storage tank every ground and is not connected with the adapter storage tank.Liquid adapter is inserted in the adapter storage tank
And part protrudes out the first end face, and has a body, and one is connected to shunt block in the body, and the body is with one
Arrival end and one in contrast to the arrival end the port of export, the adjacent port of export of the shunt block simultaneously defines a liquid jointly with the body
Body passage.The confluence module connects the pedestal and covers the first end face and protrude out the first end face around liquid adapter
Part, the confluence module disperse leaf including conflux head and a gas, and the head that confluxes has a surrounding wall coaxial with the pedestal
And the surrounding wall defines an intervenient gas passage jointly with liquid adapter, the gas disperses leaf and confluxed located at this in head
And liquid adapter is sheathed on above and positioned at the outlet side of the gas passage, the gas, which disperses leaf, has a ring body, and multiple rings
The wears groove passed through in the ring body with supplied gas is spaced apart around its axis.
In some embodiment aspects, the shunt block is elongated towards arrival end extension by the port of export and enters with this
Mouth end is spaced a distance.
In some embodiment aspects, the shunt block is with a trunk portion at the axis of the body and two by this
The connecting portion that trunk portion is radially extended and is connected with the body by a diameter both ends respectively, and the fluid passage is separated out two
Individual channel part.
In some embodiment aspects, the overall sectional area of two channel part surrounds the sectional area in space for the body
10-50%.
In some embodiment aspects, the overall sectional area of two channel part surrounds the sectional area in space for the body
21-25%.
In some embodiment aspects, the branch flow passage portion is three.
In some embodiment aspects, the wears groove in rotational symmetry be distributed in the ring body and by the ring body periphery relative to
Radially extended obliquely out in an at an angle, cross-sectional width of each wears groove at the periphery is between 1.0-2.5mm, and adjacent two wears groove
Between section spacing at the periphery be 1.3-3.0 times of the wears groove cross-sectional width.
In some embodiment aspects, liquid adapter is also prominent and around the body by the lateral surface of the body with one
Projecting ring section, and the projecting ring section is resisted against the first end face, the confluence module also includes in the head that confluxes and is sheathed on the liquid
One compression spring of body adapter and a block collar, the both ends of the compression spring are butted on the projecting ring section and the block collar respectively,
The block collar is located at the compression spring and the gas disperses between leaf and is butted on the scattered leaf of the gas, so that the gas disperses leaf
Stably connect with the headgear that confluxes.
In some embodiment aspects, the surrounding wall of the head that confluxes has a connection end to connect with the first end face, and
One in contrast to the connection end spout end, and the spout end is in toward the tapered frusto-conical in end and defining a spray
Mouthful, the head that confluxes also has a flange radially protruded out outward by the periphery of the connection end, and the confluence module also includes one
Interlocking ring, the interlocking ring have one to set female ring body, and one by the adjacent lateral margin of the ring body radially
The annular lean against part for protruding out and being available for the surrounding wall of the head that confluxes to wear inside, the outer peripheral face of the pedestal is at the first end face
Interlocking is engaged with the internal thread with the ring body provided with external screw thread, and the flange of the head that confluxes is folded in the first end face
The head that confluxes is fixed between the annular lean against part.
In some embodiment aspects, the gas flow also has a sprue portion being connected with the branch flow passage portion, and
The pedestal is also formed with a flow channel for liquids being connected with the adapter storage tank, one is connected with the flow channel for liquids and to external
The fluidic interface of one liquid input tube, and one be connected and the gas to an external gas inlet pipe connects with the sprue portion
Mouthful.
The utility model at least has following effect：It will enter liquid adapter by shunt block is provided with liquid adapter
Separating liquid to maintain to stablize flow velocity, and make liquid by the liquid take over spray when relatively evenly can be connect by around the liquid
Pipe spray gas effect and be atomized, applied to be granulated processing procedure in when, the particle diameter of be granulated particle can be made more uniformly
Refinement, improve the yield of small size particle, the especially particle below 10 μm of particle diameter.In addition, the branch by increase gas flow
The distributed quantity of flow path portion, the flow of gas can be increased, can also increase the effect of particle refinement.In addition, increase gas disperses
The wears groove density of leaf, it can also increase the effect of particle refinement.
Brief description of the drawings
Other features and effect of the present utility model, will clearly it be presented in the embodiment with reference to schema, wherein：
Fig. 1 is the side view diagram of an embodiment of the utility model second fluid nozzle；
Fig. 2 is a side view exploded view of the embodiment；
Fig. 3 is the sectional view of a pedestal of the embodiment that III-III straight lines are taken along Fig. 2；
Fig. 4 is a front view of the pedestal of the embodiment；
Fig. 5 is a stereogram of the liquid adapter of the embodiment；
Fig. 6 is the side view diagram of the liquid adapter of the embodiment；
Fig. 7 is that a gas of the embodiment disperses a front view of leaf；And
Fig. 8 is that the gas of the embodiment disperses a rearview of leaf.
Embodiment
Refering to Fig. 1 and Fig. 2, an embodiment of the utility model second fluid nozzle, comprising a pedestal 1, a liquid adapter 2 and
One confluence module 3.
Refering to Fig. 3 and Fig. 4, the pedestal 1 is generally in cylinder and with a first end face 11 and one in contrast to the first end face
11 second end face 12, and the axis A formed with one from the first end face 11 along the pedestal 1 extends toward the direction of second end face 12
The flow channel for liquids 14, one that is connected with the adapter storage tank 13 of adapter storage tank 13, one be connected with the flow channel for liquids 14 and
There is a sprue portion 161 and the multiple and sprue to the fluidic interface 15, one of an external liquid input tube (not shown)
The gas flow 16 in the branch flow passage portion 162 that portion 161 is connected, and one be connected with the sprue portion 161 and to an external gas
The gas interface 17 of body input pipe (not shown).The gas flow 16 does not connect with the flow channel for liquids 14, the branch flow passage portion 162
Extend from the parallel axis A of the first end face 11 toward the direction of second end face 12 and spaced apart be distributed in the adapter and house
Do not connected around groove 13 and with the adapter storage tank 13.In the present embodiment, the branch flow passage portion 162 is three, and the pedestal 1 is also
With an outer peripheral face 18 for connecting the first end face 11 and the second end face 12, the fluidic interface 15 it is recessed by the outer peripheral face 18 and
Into, the gas interface 17, by this, second end face 12 is recessed forms.The sprue portion 161 of the gas flow 16 and the gas interface 17
Close to connecting, and the sprue portion 161 and the gas interface 17 are all coaxial with the axis A of the pedestal 1, and the sprue portion 161
Diameter be more than the gas interface 17.The internal face for defining the internal face of the gas interface 17 and defining the fluidic interface 15 is all set
There is internal thread (not shown), to supply the external gas inlet pipe and the liquid input tube interlocking respectively.To the gas inputted
For example compression drying air (compress dry air, CDA), the liquid to input the slurry being granulated can be for example needed,
Its solid is about 30%-45%, below viscosity 1500cps.
Refering to Fig. 1, Fig. 5 and Fig. 6, the liquid adapter 2 is inserted in the adapter storage tank 13 and and part coaxial with the pedestal 1
The first end face 11 is protruded out, and there is a body 21, and one is connected to shunt block 22 in the body 21.The body 21 has
There is an arrival end 211 and one to connect with the flow channel for liquids 14 in contrast to the port of export 212 of the arrival end 211, the shunt block
22 adjacent ports of export 212 simultaneously define a fluid passage 23 jointly with the body 21.In the present embodiment, the shunt block 22 by
The port of export 212 extends elongated and is spaced a distance with the arrival end 211 towards the arrival end 211.Specifically, should
Shunt block 22 is with a trunk portion 221 at the axis A of the body 21 and two by the trunk portion 221 respectively by always
The connecting portion 222 that footpath both ends radially extend and are connected with the body 21, and the fluid passage 23 is separated into out two channel parts
231.Because the shunt block 22 and the arrival end 211 are spaced a distance so that the fluid passage 23 is between the arrival end
The sectional area of section between 211 and the shunt block 22 is the sectional area that body 21 surrounds space, and because the shunting
Block 22 occupies the segment space in body 21 so that the sectional area of two channel parts 231 surrounds space compared to body 21
Sectional area reduce, and the passage of narrower type is formed, whereby when liquid enters the liquid adapter 2 by the flow channel for liquids 14 of pedestal 1
Arrival end 211 after, in the fluid passage 23 of the body 21 toward the port of export 212 flowing when, because of the sectional area of channel part 231
Reduce and make flow speed stability, and then the effect made the liquid atomization is preferable, when being granulated applied to slurry, can make the particle diameter of particle
More refine.Wherein, the overall sectional area of two channel part 231 can surround the 10-50% of the sectional area in space for the body 21,
It is preferred that the sectional area of the totality of two channel part 231 surrounds the 21-25% of the sectional area in space for the body 21.
Referring again to Fig. 1 and Fig. 2, the liquid adapter 2 also has a lateral surface protrusion by the body 21 and the circular body
21 projecting ring section 24, and the projecting ring section 24 is resisted against the first end face 11.The confluence module 3 connect the pedestal 1 and cover this
End face 11 and the part that the first end face 11 is protruded out around the liquid adapter 2.The confluence module 3 confluxes first 31 including one,
One gas disperses leaf 32, a compression spring 33, a block collar 34 and an interlocking ring 35.This confluxes first 31 with one and the pedestal
1 coaxial surrounding wall 311 and the surrounding wall 311 defines an intervenient gas passage 36 jointly with the liquid adapter 2.The remittance
The surrounding wall 311 of stream first 31 has a connection end 311a to connect with the first end face 11, and one in contrast to the connection end
311a spout end 311b, and spout end 311b is in toward the tapered frusto-conical in end and defines a spout 311c,
And the port of export 212 of the liquid adapter 2 is located in the 311b of the spout end and adjacent spout 311c.This confluxes and first 31 also had
One flange 312 radially protruded out outward by connection end 311a periphery.The gas disperses leaf 32 and confluxes first 31 located at this
It is interior and be sheathed in the liquid adapter 2 and positioned at the outlet side of the gas passage 36, that is, adjacent spout 311c.The compression
Spring 33 and the block collar 34 are located at this and conflux in first 31 and be sheathed on the liquid adapter 2.The both ends of the compression spring 33 point
The projecting ring section 24 and the block collar 34 are not butted on.The block collar 34 be located at the compression spring 33 and the gas disperse leaf 32 it
Between and be butted on the gas disperse leaf 32 so that the gas disperse leaf 32 stably with this conflux it is first 31 socket.The interlocking ring 35 has
There is one to set female ring body 351, and one is radially protruded out and can inside by the adjacent lateral margin of the ring body 351
The annular lean against part 352 worn for first 31 surrounding wall 311 that confluxes, the outer peripheral face 18 of the pedestal 1 is adjacent to the first end face 11
Place is engaged interlocking provided with external screw thread (not shown) with the internal thread (not shown) with the ring body 351, and makes the head that confluxes
31 flange 312 be folded between the first end face 11 and the annular lean against part 352 and by this conflux it is first 31 fix.When the interlocking
When ring 35 is fixed with the interlocking of pedestal 1, the compression spring 33 is compressed and provides the block collar 34 and the liquid respectively at both ends
The 24 elastic jacking force of projecting ring section of body adapter 2, it can not only stablize the gas and disperse leaf 32, the liquid adapter 2 can also be avoided de-
Go out the adapter storage tank 13.
Another cooperation refers to Fig. 7 and Fig. 8, and the gas, which disperses leaf 32, has a ring body 321, and multiple around its axis interval point
It is distributed in the wears groove 322 that the ring body 321 is passed through with supplied gas.The ring body 321 coordinate this conflux first 31 spout end 311b one
Side forms frusto-conical, with can be bonded this conflux first 31 spout end 311b internal face conflux located at this in first 31.
In the present embodiment, the wears groove 322 in rotational symmetry be distributed in the ring body 321 and by the ring body 321 periphery relative to footpath
Extended obliquely out in an at an angle, (that is, the circular arc at the periphery is corresponding by cross-sectional width W1 of each wears groove 322 at the periphery
Chord length) about between 1.0-2.5mm, and the section spacing W2 between adjacent two wears groove 322 at the periphery is (that is, at the periphery
Circular arc corresponding to chord length) can be 1.3-3.0 times, preferably 2.15 times of the wears groove 322 cross-sectional width W1.Make described wear whereby
Arrangement density of the groove 322 in the ring body 321 is closeer, can make gas is scattered to be more uniformly distributed, and makes the effect of atomized liquid more preferable.
Illustrate the use state of the second fluid nozzle by taking the granulation processing procedure of slurry as an example.In processing procedure, while connect by the liquid
Mouth 15 and the gas interface 17 each lead into slurry and compression drying air.Wherein, compression drying air is then via gas flow
16 sprue portion 161 again passes through three branch flow passage portions 162, the gas to conflux subsequently into this between first 31 and the liquid adapter 2
Body passage 36, and disperse after leaf 32 disperses to be sprayed by spout 311c via the gas, slurry enters via flow channel for liquids 14 should
The arrival end 211 of liquid adapter 2, then by being sprayed after two narrower channel parts 231 of passage by the port of export 212, and in the spray
Conflux at mouth 311c with compression drying air, slurry is broken up by compression drying air, and make slurry atomization.In the present embodiment
In, three branch flow passage portions 162 of gas flow 16 are surrounded on the liquid adapter 2 weeks at equal intervals on section in equilateral triangle
Enclose, the branch flow passage portion symmetrical compared to two, gas flow can be increased so that the effect of atomization is more preferable.Moreover, at this
In embodiment, two channel parts 231 of the liquid adapter 2 are that the internal face of adjacent body 21 is in narrower arc, not only can be with
The flow velocity for spraying slurry remains stable, and close to the compression drying gas around body 21 so that by the spray of liquid adapter 2
The slurry gone out more equably can be atomized by the effect of the compression drying gas of surrounding, and then make be granulated particle
Particle diameter more uniformly refine, improve the yield of small size particle, the especially particle below 10 μm of particle diameter.
As described above, embodiment only of the present utility model, when can not be limited with this utility model implementation
Scope, i.e., all simple equivalent changes and modificationss made according to the utility model claims book and description, all still belongs to
The scope of the utility model.
Claims (10)
1. a kind of second fluid nozzle, comprising：One pedestal, liquid adapter and a confluence module, the pedestal are cylindrical and with one
First end face and one in contrast to the first end face second end face, and the axis formed with one from the first end face along the pedestal toward
The second end face direction extension adapter storage tank, and one have multiple branch flow passage portions gas flow, the branch flow passage portion by
The parallel axis of the first end face extends toward the second end face direction and spaced apart is distributed in around the adapter storage tank
And do not connected with the adapter storage tank；Liquid adapter is inserted in the adapter storage tank and part protrudes out the first end face, and
With a body；The confluence module connects the pedestal and covers the first end face and protrude out the first end around liquid adapter
The part in face；It is characterized in that：Liquid adapter also has a shunt block being connected in the body, and the body has one to enter
Mouthful end and one in contrast to the arrival end the port of export, the adjacent port of export of the shunt block simultaneously defines a liquid jointly with the body
Passage；The confluence module disperses leaf including conflux head and a gas, and the head that confluxes has a surrounding wall coaxial with the pedestal
And the surrounding wall defines an intervenient gas passage jointly with liquid adapter, the gas disperses leaf and confluxed located at this in head
And liquid adapter is sheathed on above and positioned at the outlet side of the gas passage, the gas, which disperses leaf, has a ring body, and multiple rings
The wears groove passed through in the ring body with supplied gas is spaced apart around its axis.
2. second fluid nozzle according to claim 1, it is characterised in that：The shunt block is by the port of export towards the arrival end
Extend elongated and be spaced a distance with the arrival end.
3. second fluid nozzle according to claim 2, it is characterised in that：The shunt block has an axis for being located at the body
The trunk portion at place and two connecting portions for being radially extended and being connected with the body by a diameter both ends respectively by the trunk portion, and
The fluid passage is separated into out two channel parts.
4. second fluid nozzle according to claim 3, it is characterised in that：The overall sectional area of two channel part is the body institute
Around the 10-50% of the sectional area in space.
5. second fluid nozzle according to claim 4, it is characterised in that：The overall sectional area of two channel part is the body institute
Around the 21-25% of the sectional area in space.
6. second fluid nozzle according to claim 1, it is characterised in that：The branch flow passage portion is three.
7. second fluid nozzle according to claim 1, it is characterised in that：The wears groove in rotational symmetry be distributed in the ring body and
Periphery by the ring body relative to radially extending obliquely out in an at an angle, cross-sectional width of each wears groove at the periphery between
1.0-2.5mm, and the section spacing between adjacent two wears groove at the periphery is 1.3-3.0 times of the wears groove cross-sectional width.
8. according to second fluid nozzle described in claim 1 to 7 any claim, it is characterised in that：Liquid adapter also has
One by the lateral surface protrusion of the body and the projecting ring section of the circular body, and the projecting ring section is resisted against the first end face, and this confluxes
Module also includes in the head that confluxes and is sheathed on a compression spring and a block collar for liquid adapter, the compression spring
Both ends be butted on the projecting ring section and the block collar respectively, the block collar is located at the compression spring and the gas disperses between leaf
And be butted on the gas and disperse leaf, so that the gas disperses leaf and stably connect with the headgear that confluxes.
9. second fluid nozzle according to claim 8, it is characterised in that：The surrounding wall of the head that confluxes has one and the first end
The connection end that face connects, and one in contrast to the connection end spout end, and the spout end be in toward end it is tapered cut
Coniform and define a spout, the head that confluxes also has a flange radially protruded out outward by the periphery of the connection end,
The confluence module also includes an interlocking ring, and the interlocking ring has one to set female ring body, and one by the ring body
The annular lean against part for radially protruding out and being available for the surrounding wall of the head that confluxes to wear at an adjacent lateral margin inside, the periphery of the pedestal
Face is engaged interlocking provided with external screw thread at the first end face with the internal thread with the ring body, and makes the convex of the head that confluxes
Edge is folded between the first end face and the annular lean against part and fixes the head that confluxes.
10. second fluid nozzle according to claim 1, it is characterised in that：The gas flow also has one and the branch flow passage
The sprue portion that portion is connected, and the pedestal be also formed with a flow channel for liquids being connected with the adapter storage tank, one with the liquid
Body runner is connected and to the fluidic interface of an external liquid input tube, and one is connected and to external with the sprue portion
The gas interface of one gas inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720346736.3U CN206652628U (en) | 2017-04-05 | 2017-04-05 | Second fluid nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720346736.3U CN206652628U (en) | 2017-04-05 | 2017-04-05 | Second fluid nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206652628U true CN206652628U (en) | 2017-11-21 |
Family
ID=60317122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720346736.3U Withdrawn - After Issue CN206652628U (en) | 2017-04-05 | 2017-04-05 | Second fluid nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206652628U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108686844A (en) * | 2017-04-05 | 2018-10-23 | 泓辰电池材料有限公司 | Second fluid nozzle |
-
2017
- 2017-04-05 CN CN201720346736.3U patent/CN206652628U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108686844A (en) * | 2017-04-05 | 2018-10-23 | 泓辰电池材料有限公司 | Second fluid nozzle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104368820B (en) | A kind of ultrasonic nebulization jet nozzle merging laval Yu hartmann structure | |
| JP2018533465A5 (en) | ||
| CN204486067U (en) | A kind of low discharge swirl atomization nozzle | |
| CN206652628U (en) | Second fluid nozzle | |
| CN104624426A (en) | Atomizer with automatic blockage clearing function | |
| CN209287552U (en) | A kind of atomizer with mixed function | |
| CN206380423U (en) | A kind of block-resistant type is atomized drip irrigation tube emitter | |
| CN104736250A (en) | Spray head for a fluid product and dispenser comprising such a spray head | |
| CN205816044U (en) | Jet flow type aerosol apparatus jet pipe | |
| CN201895087U (en) | High pressure water atomized composite nozzle | |
| CN206253256U (en) | A kind of secondary-atomizing two phase flow shower nozzle | |
| CN106513196A (en) | Air atomizing nozzle | |
| RU2536396C1 (en) | Centifugal swirl atomiser of kochstar type | |
| CN108686844A (en) | Second fluid nozzle | |
| CN100387357C (en) | Circular spray type spray nozzle | |
| CN209204355U (en) | A kind of medical swirl-spray device | |
| CN210545796U (en) | Miniature mixed nozzle suitable for plant protection unmanned aerial vehicle | |
| CN205515836U (en) | Salt particle aerosol salt therapy ware | |
| CN205020304U (en) | Split type ultrasonic nozzle | |
| CN102872564B (en) | Multifunctional high-pressure sprayer | |
| CN207950976U (en) | It is a kind of novel except haze nozzle | |
| CN208727776U (en) | A kind of novel nozzle atomization cap structure | |
| CN207056835U (en) | Dynamic pressure cyclone showerhead is used in a kind of liquid sprinkling | |
| CN204448354U (en) | From block clearing sprayer | |
| CN207857173U (en) | Half single-fluid high pressure kicks stream atomizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20171121 Effective date of abandoning: 20200925 |
|
| AV01 | Patent right actively abandoned |