CN207967182U - The clamp device of fuel cell pack - Google Patents
The clamp device of fuel cell pack Download PDFInfo
- Publication number
- CN207967182U CN207967182U CN201820328097.2U CN201820328097U CN207967182U CN 207967182 U CN207967182 U CN 207967182U CN 201820328097 U CN201820328097 U CN 201820328097U CN 207967182 U CN207967182 U CN 207967182U
- Authority
- CN
- China
- Prior art keywords
- arc portion
- fuel cell
- cell pack
- positive
- tailgate
- 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- Withdrawn - After Issue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
- 239000000446 fuel Substances 0.000 title claims abstract description 63
- 238000009413 insulation Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 9
- 239000013013 elastic material Substances 0.000 abstract description 5
- 238000003466 welding Methods 0.000 description 7
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 210000004534 cecum Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Fuel Cell (AREA)
Abstract
The utility model provides a kind of clamp device of fuel cell pack,Include that the preceding tailgate at direction both ends and rear tailgate is laminated set on fuel cell pack,First anti-arc portion,First positive arc portion,Second anti-arc portion,Second positive arc portion,First bandage,Second bandage and third bandage,The arc surface of first anti-arc portion is arranged backwards to preceding tailgate in the side of preceding tailgate,The arc surface of first positive arc portion is arranged towards preceding tailgate in the side of preceding tailgate,Second anti-arc portion is arranged in the side of rear tailgate,Second positive arc portion is arranged in the side of rear tailgate,First harness jacket is on the both ends of the first anti-arc portion and the both ends of the second anti-arc portion,Second harness jacket is on the arc surface of the first positive arc portion and the arc surface of the second positive arc portion,Third harness jacket is in the first bandage,On the side of second bandage and fuel cell pack,First anti-arc portion,First positive arc portion,Second anti-arc portion and the second positive arc portion are made of elastic material respectively.The uniform force simple and compact for structure and making fuel cell pack of clamp device.
Description
Technical field
The utility model is related to a kind of fastening of field of fuel cell technology more particularly to easy fuel cell pack dresses
It sets.
Background technology
Fuel cell is a kind of device that chemical energy is directly translated into electric energy, since its is efficient, zero-emission, starts temperature
It spends low, is highly suitable in communications and transportation, stationary power generation and portable domain.In recent years, countries in the world are all actively being ground
Study carefully and is applied to automotive field using fuel cell as power source.Since the voltage of monolithic battery is small, automobile power cannot be satisfied
Demand, it is therefore desirable to several pieces of cells in series be fitted together into composition pile, and fastened by mechanical pressure, if fastening
Pressure is excessive, easy tos produce rupture or deformation that stress concentration causes the key components and parts such as membrane electrode or pole plate, or even pierce through and tear
A series of problems, such as splitting, while can also reduce the porosity of gas diffusion layers, gas leakage, reduced performance, service life is caused to reduce,
If fastening pressure is too small, contact resistance easy to increase causes Performance data to decline, so, fastening pressure appropriate is for electricity
The performance of heap, safety method and durability are most important.In general, complicated fastening method is easy to bring more stress concentration
Problem and cumbersome assembly program, reliability is not high, and efficiency is low, therefore, finds a kind of simple, compact, light-weight fastening side
Method is of great significance.
Currently, most of pile fastenings are by the way of screw rod fastening.Wherein, there are many intrinsic for screw rod fastening means
Disadvantage.First, the sectional area of pile is increased, and then increases pile volume, is unfavorable for improving the volumetric power density of pile.
Secondly, screw rod and the position stress that nut fastens are big, usually require that tailgate carrys out uniform conducting pressure with certain thickness, are
This must increase the thickness of tailgate, can thus increase volume and weight, this is unfavorable for the power density for improving pile.
Finally, due to which multigroup screw rod needs to fasten, assembly and disassembly process is cumbersome, and efficiency is low, and it is difficult to ensure that power between every group of screw rod
Consistency, cause pile discontinuity.
Include sequentially gas port application No. is a kind of fastening structure is disclosed in 201710138182.2 application for a patent for invention
End plate, gas port end collector plate, flow-field plate and membrane electrode assembly, cecum collector plate and pile elastic compensating structure, above structure is successively
It is fastened with multigroup pulling belt structure, pulling belt structure includes U-shaped metal drawstring, and the ends bent of metal drawstring is at the circle with T-bolt
It is welded at the drawstring end lap of metal drawstring after the matched annulus of bar, the T-bolt on metal drawstring passes through gas port end plate
On mounting hole, pass through nut and gas port end plate connection and fasten.The fastening structure is limited in that：1. using spring and pressing plate
Mode realizes pile elastic compensating structure, increases fuel cell volume and weight；2. being fastened using pulling belt structure, carrying out
It when assembling, the matching of metal drawstring and T-bolt and is fastened by nut and gas port end plate connection, the structure practical operation is multiple
It is miscellaneous and very high to the consistency of fastening force and dress heap technological requirement.
Utility model content
The main purpose of the utility model be to provide it is a kind of it is easy to operate, simple and compact for structure, uniform force, repair and tear open
Unload convenient and cost-effective fuel cell pack clamp device.
In order to realize that the main purpose of the utility model, the utility model provide a kind of clamp device of fuel cell pack,
Include that the preceding tailgate at direction both ends and rear tailgate is laminated set on fuel cell pack, the clamp device of fuel cell pack further includes first
Anti- arc portion, the first positive arc portion, the second anti-arc portion, the second positive arc portion, the first bandage, the second bandage and third bandage, first is anti-
The arc surface of arc portion is arranged backwards to preceding tailgate in the side of preceding tailgate, and the arc surface of the first positive arc portion is arranged towards preceding tailgate
In the side of preceding tailgate, the arc surface of the second anti-arc portion is arranged backwards to rear tailgate in the side of rear tailgate, the second positive arc portion
Arc surface is arranged towards rear tailgate in the side of rear tailgate, and the first harness jacket is at the both ends of the first anti-arc portion and the second anti-arc portion
Both ends on, the second harness jacket is on the arc surface of the first positive arc portion and the arc surface of the second positive arc portion, and third harness jacket is
On the side of one bandage, the second bandage and fuel cell pack, the first anti-arc portion, the first positive arc portion, the second anti-arc portion and
Two positive arc portions are made of elastic material respectively.
Further scheme is that the first collector plate and the first insulation board are provided between preceding tailgate and fuel cell pack,
First insulation board is between preceding tailgate and the first collector plate, and one end of the first collector plate and fuel cell pack connects, rear tailgate
The second collector plate and the second insulation board are provided between fuel cell pack, the second insulation board is located at rear tailgate and the second collector plate
Between, the other end of the second collector plate and fuel cell pack connects.
Further scheme is, the first anti-arc portion, the first positive arc portion, the second anti-arc portion and the second positive arc portion the center of circle
Angle is respectively less than 90 degree.
Further scheme is that the quantity of the first positive arc portion and the second positive arc portion is two, the quantity of the second bandage
It it is also two, the first anti-arc portion is located between two the first positive arc portions, and the second anti-arc portion is located between two the second positive arc portions.
Further scheme is that the quantity of the first anti-arc portion and the second anti-arc portion is three, the quantity of the first bandage
It is also three.
Further scheme is that the distance between two neighboring first anti-arc portion is equal, two neighboring second anti-arc portion
The distance between it is also equal.
Further scheme is that the first anti-arc portion and the second anti-arc portion are in the same plane, the first positive arc portion and the
Two positive arc portions also are located on same plane.
Further scheme is that third harness jacket is at the middle part of the first bandage, the second bandage and fuel cell pack.
Further scheme is that preceding tailgate is opened up there are five the first locating slot, and rear tailgate offers five second positioning
Slot, the first anti-arc portion and the first positive arc portion are located in the first locating slot, and the second anti-arc portion and the second positive arc portion are located at
In second locating slot.
Further scheme is that the distance of two neighboring first locating slot is equal, two neighboring second locating slot away from
It is equal from also.
By said program as it can be seen that the first bandage, the second bandage and third bandage is stretchable, length is easy to adjust, use weldering
It is fastened very much after connection device bonding, improves anti-vibration and the impact property of fuel cell pack.First anti-arc portion, the first positive arc
Portion, the second anti-arc portion and the second positive arc portion are made of elastic material respectively, positive and negative arc surface collocation structure can compensate due to
Assembling force changes caused by internal temperature variation causes the expanding with heat and contract with cold of pile, and makes the uniform force of fuel cell pack.Also,
Easy to operate, simple and compact for structure, repair and the convenient disassembly of the clamp device of fuel cell pack, and production cost bottom.
Description of the drawings
Fig. 1 is the first viewing angle constructions figure of the clamp device embodiment of the utility model fuel cell pack.
Fig. 2 is the second viewing angle constructions figure of the clamp device embodiment of the utility model fuel cell pack.
Fig. 3 is the structural exploded view of the clamp device embodiment of the utility model fuel cell pack.
Fig. 4 is the First partial structure chart of the clamp device embodiment of the utility model fuel cell pack.
Fig. 5 is the second local structural graph of the clamp device embodiment of the utility model fuel cell pack.
Fig. 6 is the third local structural graph of the clamp device embodiment of the utility model fuel cell pack.
Specific implementation mode
Referring to Fig. 1 to Fig. 6, the clamp device of fuel cell pack includes preceding tailgate 2, rear tailgate 3, the first anti-arc portion 8, first
Positive arc portion 7, the second anti-arc portion 10, the second positive arc portion 9, the first bandage 5, the second bandage 4, third bandage 6, the first collector plate 12,
First insulation board 11, the second collector plate 14 and the second insulation board 13, preceding tailgate 2 and rear tailgate 3 are respectively arranged on 1 layer of fuel cell pack
The both ends in folded direction.First insulation board 11 is between preceding tailgate 2 and the first collector plate 12, the first collector plate 12 and fuel cell
One end of heap 1 connects.Second insulation board 13 is between rear tailgate 3 and the second collector plate 14, the second collector plate 14 and fuel electricity
The other end of pond heap 1 connects.
The arc surface of first anti-arc portion 8 is arranged backwards to 2 ground of preceding tailgate in the side of preceding tailgate 2, the circular arc of the first positive arc portion 7
It is arranged facing towards 2 ground of preceding tailgate in the side of preceding tailgate 2.The arc surface of second anti-arc portion 10 is arranged backwards to 3 ground of rear tailgate rear
The arc surface of the side of tailgate 3, the second positive arc portion 9 is arranged towards 3 ground of rear tailgate in the side of rear tailgate 3.First bandage 5 is sleeved on
On the both ends of first anti-arc portion 8 and the both ends of the second anti-arc portion 10, the second bandage 4 is sleeved on the arc surface and of the first positive arc portion 7
On the arc surface of two positive arc portions 9, third bandage 6 is sleeved on the side of the first bandage 5, the second bandage 4 and fuel cell pack 1,
The present embodiment third bandage 6 is sleeved on the middle part of the first bandage 5, the second bandage 4 and fuel cell pack 1.
First anti-arc portion 8, the first positive arc portion 7, the second anti-arc portion 10 and the second positive arc portion 9 central angle be respectively less than 90
Degree, the first anti-arc portion 8, the first positive arc portion 7, the second anti-arc portion 10 and the second positive arc portion 9 are made of elastic material respectively, and the
One anti-arc portion 8 and the second anti-arc portion 10 are in the same plane, and the first positive arc portion 7 and the second positive arc portion 9 also are located at same plane
On.The quantity of the present embodiment the first positive arc portion 7 and the second positive arc portion 9 is two, and the quantity of the second bandage 4 is also two, the
One anti-arc portion 8 is located between two the first positive arc portions 7, and the second anti-arc portion 10 is located between two the second positive arc portions 9.The present embodiment
The quantity of first anti-arc portion 8 and the second anti-arc portion 10 is three, and the quantity of the first bandage 5 is also three, and two neighboring first
The distance between anti-arc portion 8 is equal, and the distance between two neighboring second anti-arc portion 10 is also equal.There are five preceding tailgate 2 opens up
First locating slot 21, rear tailgate 3 are opened up there are five the second locating slot (not indicating), and the first anti-arc portion 8 and the first positive arc portion 7 are distinguished
In the first locating slot 21, the second anti-arc portion 10 and the second positive arc portion 9 are located in the second locating slot, and two neighboring
The distance of a positioning groove 21 is equal, and the distance of two neighboring second locating slot is also equal.
The clamp device of fuel cell pack is inserted into a stressor layer paper during assembling between each parts, uses
In measurement pressure distribution situation.Preceding tailgate 2 and rear tailgate 3 all have the arc surface very identical with strap configurations, and bandage is passed through
The first anti-arc portion 8, the first positive arc portion 7, the second anti-arc portion 10 and the second positive arc portion 9 on preceding tailgate 2 and rear tailgate 3 are worn,
Stacking pressure 50KN effects are lower to compress fuel cell pack 1, after reaching pre-set compression ratio, is bonded respectively using welder
First bandage 5, the second bandage 4 and third bandage 6, you can complete the encapsulation of entire fuel cell pack 1.First bandage 5, second are tied up
With 4 and third bandage 6 be stretchable, length is easy the high intensity band adjusted, and material includes but not limited to high molecular polymer material
Material, fiber-base composite materials, laminated material, carbon fiber, natural fiber, stainless steel, other metal materials comprising surface treatment
Deng.The number of first bandage 5, the second bandage 4 and third bandage 6 is at least one, but not more than 20, the first bandage respectively
5, between the second bandage 4 and third bandage 6 include but not limited to right-angled intersection arrangement or the arrangement modes such as arranged in parallel.First
The infall of bandage 5, the second bandage 4 and third bandage 6 may can be also not fixed with being welded and fixed.Welding bandage mode includes
But it is not limited to resistance welding, electric arc welding, the material of ultrasonic welding, laser welding, capacitance spot welding, welding can be with bandage material
Material is consistent, also can be different.
The clamp device of fuel cell pack can be used to assemble the cell of fuel cell of at least two groups, integrated rear tailgate 3
Design, reduces the use of remaining part, reduces cost, is conducive to the density for improving 1 power of fuel cell pack.Clamp device
Material include but not limited to aluminium alloy, copper alloy, stainless steel, high molecular polymer, lamination material etc., can be machined,
Casting, die sinking injection molding and lamination one-pass molding, processing technology diversification.Strap configurations can be stretched freely, length is easy to adjust,
It is fastened very much after being bonded using welder, improves anti-vibration and the impact property of fuel cell pack 1.Using elastic material
Positive and negative arc surface collocation structure can compensate the assembling force caused by internal temperature variation causes the expanding with heat and contract with cold of pile and become
Change.Insulation and dispersive stress, the insulation of the first insulation board 11 and second are played using the first insulation board 11 and the second insulation board 13
The material of plate 13 includes but not limited to Teflon, polyformaldehyde, ABS engineering plastics etc..Therefore, the present embodiment fuel cell pack is tight
It is fixedly mounted with and sets easy to operate, simple and compact for structure, repair and convenient disassembly and cost-effective, and the stress of fuel cell pack 1 is equal
It is even.
Above example, only preferred embodiments of the utility model, be not to limit the utility model practical range, therefore it is all
According to the equivalent change or modification that the structure, feature and principle described in present utility model application the scope of the claims is done, should all be included in
In the utility model patent application range.
Claims (10)
1. the clamp device of fuel cell pack includes that the preceding tailgate at direction both ends and rear tailgate is laminated set on fuel cell pack,
It is characterized in that：
The clamp device of the fuel cell pack further includes the first anti-arc portion, the first positive arc portion, the second anti-arc portion, the second positive arc
Portion, the first bandage, the second bandage and third bandage；
The arc surface of the first anti-arc portion is arranged backwards to the preceding tailgate in the side of the preceding tailgate, first positive arc
The arc surface in portion is arranged towards the preceding tailgate in the side of the preceding tailgate；
The side of tailgate in the rear, second positive arc are arranged backwards to the rear tailgate for the arc surface of the second anti-arc portion
The side of tailgate in the rear is arranged towards the rear tailgate for the arc surface in portion；
First harness jacket is on the both ends of the described first anti-arc portion and the both ends of the second anti-arc portion, second bandage
It is sleeved on the arc surface of the described first positive arc portion and the arc surface of the second positive arc portion, the third harness jacket is described first
On the side of bandage, second bandage and the fuel cell pack；
The first anti-arc portion, the first positive arc portion, the second anti-arc portion and second positive arc portion are respectively by elasticity
Material is made.
2. the clamp device of fuel cell pack according to claim 1, it is characterised in that：
The first collector plate and the first insulation board, first insulation board are provided between the preceding tailgate and the fuel cell pack
Between the preceding tailgate and first collector plate, first collector plate is connect with one end of the fuel cell pack；
The second collector plate and the second insulation board, second insulation board are provided between tailgate and the fuel cell pack after described
After described between tailgate and second collector plate, second collector plate and the other end of the fuel cell pack connect
It connects.
3. the clamp device of fuel cell pack according to claim 1, it is characterised in that：
The first anti-arc portion, the first positive arc portion, the central angle of the second anti-arc portion and the second positive arc portion are equal
Less than 90 degree.
4. the clamp device of fuel cell pack according to any one of claims 1 to 3, it is characterised in that：
The quantity of the first positive arc portion and the second positive arc portion is two, and the quantity of second bandage is also two,
The first anti-arc portion is located between two first positive arc portions, and the second anti-arc portion is located at two second positive arc portions
Between.
5. the clamp device of fuel cell pack according to claim 4, it is characterised in that：
The quantity of the first anti-arc portion and the second anti-arc portion is three, and the quantity of first bandage is also three.
6. the clamp device of fuel cell pack according to claim 5, it is characterised in that：
The distance between the two neighboring first anti-arc portion is equal, the distance between two neighboring described second anti-arc portion also phase
Deng.
7. the clamp device of fuel cell pack according to claim 6, it is characterised in that：
The first anti-arc portion and the second anti-arc portion are in the same plane, the first positive arc portion and second positive arc
Portion also is located on same plane.
8. the clamp device of fuel cell pack according to claim 7, it is characterised in that：
The third harness jacket is at the middle part of first bandage, second bandage and the fuel cell pack.
9. the clamp device of fuel cell pack according to claim 8, it is characterised in that：
The preceding tailgate is opened up there are five the first locating slot, and the rear tailgate offers five the second locating slots, and described first is anti-
Arc portion and first positive arc portion are located in first locating slot, the second anti-arc portion and second positive arc part
It Wei Yu not be in second locating slot.
10. the clamp device of fuel cell pack according to claim 9, it is characterised in that：
The distance of two neighboring first locating slot is equal, and the distance of two neighboring second locating slot is also equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820328097.2U CN207967182U (en) | 2018-03-11 | 2018-03-11 | The clamp device of fuel cell pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820328097.2U CN207967182U (en) | 2018-03-11 | 2018-03-11 | The clamp device of fuel cell pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207967182U true CN207967182U (en) | 2018-10-12 |
Family
ID=63742506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820328097.2U Withdrawn - After Issue CN207967182U (en) | 2018-03-11 | 2018-03-11 | The clamp device of fuel cell pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207967182U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599831A (en) * | 2020-12-11 | 2021-04-02 | 武汉轻工大学 | Cell stack tightening device |
| WO2021168893A1 (en) * | 2020-02-29 | 2021-09-02 | 深圳市雄韬电源科技股份有限公司 | Stack pre-binding structure |
-
2018
- 2018-03-11 CN CN201820328097.2U patent/CN207967182U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021168893A1 (en) * | 2020-02-29 | 2021-09-02 | 深圳市雄韬电源科技股份有限公司 | Stack pre-binding structure |
| CN112599831A (en) * | 2020-12-11 | 2021-04-02 | 武汉轻工大学 | Cell stack tightening device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181012 Effective date of abandoning: 20231226 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20181012 Effective date of abandoning: 20231226 |