CN220895673U - Battery system and electric energy storage device - Google Patents
Battery system and electric energy storage device Download PDFInfo
- Publication number
- CN220895673U CN220895673U CN202322541195.8U CN202322541195U CN220895673U CN 220895673 U CN220895673 U CN 220895673U CN 202322541195 U CN202322541195 U CN 202322541195U CN 220895673 U CN220895673 U CN 220895673U
- Authority
- CN
- China
- Prior art keywords
- battery system
- separation
- battery
- adjacent
- battery cell
- 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.)
- Active
Links
- 238000004146 energy storage Methods 0.000 title claims abstract description 14
- 238000000926 separation method Methods 0.000 claims abstract description 57
- 125000006850 spacer group Chemical group 0.000 claims description 16
- 230000000694 effects Effects 0.000 abstract description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 6
- 210000004027 cell Anatomy 0.000 description 69
- 230000007246 mechanism Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000004460 N cell Anatomy 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000006467 substitution reaction 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
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
A battery system and electric energy storage device, the battery system includes N electric core, M parting sleeve and M support frame; wherein, a cell groove is arranged in each separation sleeve, M separation sleeves are divided into two separation sleeve units in a bisecting way, in each separation sleeve unit, two separation sleeves are arbitrarily adjacent to each other in a first direction and are clamped and connected in a second direction, two separation sleeves are arbitrarily adjacent to each other in a clamping way, two ends of each cell are respectively arranged in each cell groove of the two separation sleeve units, and the first direction is perpendicular to the second direction; each supporting frame is clamped with each separation sleeve, each supporting frame is provided with a supporting cap, and the stage lug of each battery cell is inserted into each supporting cap; wherein, M=2N, N > 0, N is a natural number. The battery system and the electric energy storage device provided by the utility model have the advantages that the heat dissipation effect is good, the structural strength is high, the battery core is stably installed, the battery core can be well protected, and the service life and the capacity of the battery system are ensured.
Description
Technical Field
The utility model relates to the technical field of electric power energy storage, in particular to a battery system and an electric energy storage device.
Background
The electric energy storage device comprises a box body and a battery system arranged in the box body, wherein the service life and capacity attenuation of the battery system are closely related to the temperature of the battery system. The prior battery system comprises a honeycomb mounting seat and battery cells arranged in the honeycomb mounting seat, each battery cell is insulated by the honeycomb mounting seat, and a large amount of heat is generated when the battery system works, and the dense structure of the honeycomb mounting seat makes the heat difficult to dissipate, so that the service life of the battery system is reduced and the capacitance of the battery system is reduced; on the other hand, the honeycomb mounting seat is large in size, the heavy battery cell is mounted, so that the honeycomb mounting seat is easy to deform and damage, the structural strength and the anti-collision performance are extremely poor, the battery cell cannot be protected, and the battery cell is difficult to maintain.
Disclosure of utility model
In order to overcome the defects of the prior art, the utility model aims to provide a battery system and an electric energy storage device, wherein the battery system has good heat dissipation effect and high structural strength, stably installs a battery core, can well protect the battery core, and ensures the service life and the capacity of the battery system.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
A battery system includes N electric cores; the battery cell is characterized by comprising a plurality of separation sleeves, wherein each separation sleeve is internally provided with a battery cell groove, the M separation sleeves are divided into two separation sleeve units in a bisecting mode, in each separation sleeve unit, two separation sleeves are clamped and connected in any adjacent mode along a first direction, two separation sleeves are clamped and connected in any adjacent mode along a second direction, and two ends of each battery cell are respectively installed in each battery cell groove of the two separation sleeve units, wherein the first direction is perpendicular to the second direction; the M support frames are clamped with the separation sleeves, each support frame is provided with a support cap, and the stage lug of each battery cell is inserted into each support cap; wherein, M=2N, N > 0, N is a natural number.
Further, in the first direction, the positive and negative poles of any two adjacent electric cores are different, and in the second direction, the positive and negative poles of any two adjacent electric cores are the same.
Further, the battery system further comprises a series conducting bar and a parallel conducting bar, the parallel conducting bars are sequentially connected with adjacent battery cell level lugs along the second direction, and the series conducting bar is connected with two adjacent parallel conducting bars to form a U-shaped conducting bar.
Further, each separation sleeve comprises a first side sleeve edge, a second side sleeve edge, a third side sleeve edge and a fourth side sleeve edge which are connected end to end, wherein clamping grooves are formed in the first side sleeve edge and the second side sleeve edge, and clamping blocks are arranged in the third side sleeve edge and the fourth side sleeve edge.
Further, a plurality of first connecting portions are uniformly arranged on the outer end face of each separation sleeve around the battery cell groove, each supporting frame is provided with a second connecting portion which is in concave-convex matching connection with the first connecting portion, and a supporting column is formed between the second connecting portion and the body of the supporting frame.
Further, the body of the support frame is provided with a plurality of through holes around the support cap.
Further, the body of support frame inwards protrudes and is equipped with a plurality of connecting strips, the connecting strip is connected two adjacent support columns, just the quantity of connecting strip is the quantity of support column minus one.
Further, the body of the support frame is provided with a plurality of protection strips towards the outer convex, and the protection strips are arranged around the support cap.
Further, the thickness of each spacer bush is set to be T=12mm to 18mm.
An electrical energy storage device includes a housing; and any one of the battery systems mounted in the case.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model provides a novel battery system, M separation sleeve units are divided into two separation sleeve units, each separation sleeve unit is formed by clamping any two adjacent separation sleeve units in two vertical directions, two ends of each battery cell unit are respectively installed in each battery cell groove of the two separation sleeve units, positive/negative-stage lugs of each battery cell penetrate out of the battery cell grooves, N battery cells at the moment are orderly separated, insulated and supported and protected by the two separation sleeve units, the heat dissipation effect is good, further, each separation sleeve is correspondingly clamped with a supporting frame, each supporting frame is provided with a supporting cap, the positive/negative-stage lugs of each battery cell installed in the battery cell grooves are correspondingly inserted into each supporting cap, the N battery cells at the moment are further supported and protected by the supporting frames, and the combination of the separation sleeve and the supporting frames and the installation of the battery cells on the battery cells enable the battery cells to be stably installed and well protected, and the service life and capacity of the battery system are guaranteed.
The utility model is described in further detail below with reference to the drawings and the detailed description.
Drawings
Fig. 1 is a schematic view of a battery system according to an embodiment of the present utility model;
Fig. 2 is a cross-sectional view of a battery system according to an embodiment of the present utility model;
FIG. 3 is an exploded view of the cell unit and the spacer and support frame according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a battery cell connected by a conductive strip according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a spacer in an embodiment of the present utility model;
FIG. 6 is a schematic view of a spacer sleeve according to another embodiment of the present utility model;
FIG. 7 is a schematic view of a spacer unit according to an embodiment of the present utility model;
FIG. 8 is a schematic view of a supporting frame according to an embodiment of the present utility model;
FIG. 9 is a schematic view of a support frame according to another embodiment of the present utility model;
FIG. 10 is a schematic view of an electrical energy storage device (with the cover hidden) according to an embodiment of the present utility model;
Reference numerals illustrate:
A 100-cell system;
10-battery cell, 11-first end, 12-second end, 13-positive ear and 14-negative ear;
20-separating sleeves, 20 a-separating sleeve units, 21-battery cells, 22-first side sleeve edges, 221-first clamping grooves, 23-second side sleeve edges, 231-second clamping grooves, 24-third side sleeve edges, 241-first clamping blocks, 25-fourth side sleeve edges, 251-second clamping blocks and 26-first connecting parts;
30-supporting frames, 30 a-bodies, 30 b-line openings, 31-supporting caps, 32-second connecting parts, 33-supporting columns, 34-through holes, 35-connecting strips and 36-protecting strips;
41-series conducting strips and 42-parallel conducting strips;
200-a box body;
1000-an electrical energy storage device;
Detailed Description
The following will describe embodiments of the present utility model in detail with reference to the drawings and examples, thereby solving the technical problems by applying technical means to the present utility model, and realizing the technical effects can be fully understood and implemented accordingly. It should be noted that these specific descriptions are only for easy and clear understanding of the present utility model by those skilled in the art, and are not meant to be limiting; for example, the first and second embodiments of the present utility model are not limited thereto, but are merely for describing serial numbers of a plurality of identical or similar devices and mechanisms, and those skilled in the art may readjust the serial numbers for convenience of description or in the technical scheme arranging process; and various embodiments have been described with alternatives to some of the mechanisms, and these alternatives may be applied to other identical or similar devices, mechanisms; and as long as no conflict is formed, each embodiment of the present utility model and each feature of each embodiment may be combined with each other, and the formed technical solutions are all within the protection scope of the present utility model.
The following describes the technical scheme of the utility model in detail through the attached drawings and specific embodiments:
Examples
Referring to fig. 1-9, the present embodiment provides a battery system 100, where the battery system 100 includes N battery cells 10, M separation sleeves 20, and M supporting frames 30, where m=2n, N > 0, N is a natural number, specifically:
In the battery system 100 provided by the N number of battery cells 10, n=32, as shown in fig. 3, the battery cells 10 are cylindrical battery cells, and have a substantially cylindrical shape, and include a first end 11 and a second end 12 in an axial direction, and a positive electrode tab 13 and a negative electrode tab 14.
In the battery system 100 provided by the present embodiment, as shown in fig. 5 and 6, m=2n=64, and each of the separation sleeves 20 is provided with a cell groove 21, where the cell groove 21 is a circular groove, and the M separation sleeves 20 are divided into two separation sleeve units 20a, as shown in fig. 7, specifically, in each separation sleeve unit 20a, any two adjacent separation sleeves 20 are clamped along a first direction, and any two adjacent separation sleeves 20 are clamped along a second direction, where the first direction is perpendicular to the second direction, for example, the first direction and the second direction are respectively transverse and longitudinal.
As shown in fig. 2 and 3, the first end 11 and the second end 12 of each cell 10 are respectively mounted in each cell groove 21 of two separation sleeve units 20a, and the positive tab 13 and the negative tab 14 of each cell 10 pass out of the cell groove 21, and at this time, the separation sleeve 20 supports and separates the N cells 10.
The M support frames 30, see fig. 2 and 3, are disposed in one-to-one correspondence with the separation sleeves 20, the number of the support frames 30 is the same as that of the separation sleeves 20, each support frame 30 is clamped with each separation sleeve 20, and referring to fig. 8 and 9, each support frame 30 is provided with a support cap 31.
Referring again to fig. 2 and 3, the positive tab 13 and the negative tab 14 of each cell 10 pass out of the cell slot 21 and are inserted into each support cap 31.
According to the battery system 100 provided by the embodiment, the M separation sleeve units 20 are divided into the two separation sleeve units 20a, each separation sleeve unit 20a is formed by clamping any two adjacent separation sleeve units 20 in two vertical directions, the first end 11 and the second end 12 of each battery cell 10 are respectively installed in each battery cell groove 21 of the two separation sleeve units 20a, the body between the two ends of each battery cell 10 is exposed (fig. 1), the positive electrode lug 13 and the negative electrode lug 14 of each battery cell 10 penetrate out of the battery cell grooves 21, at this time, the N battery cells 10 are regularly separated, insulated and supported for protection by the two separation sleeve units 20a, the heat dissipation effect is good, further, one support frame 30 is correspondingly clamped outside each separation sleeve 20, each support frame 30 is provided with a support cap 31, the positive electrode lug 13 and the negative electrode lug 14 of each battery cell 10 installed in each battery cell groove 21 are correspondingly inserted into each support cap 31, the N battery cells 10 are further supported by the support frame 30 and the support frame 20, and the battery cell 10 is further supported by the support frame 30, and the battery cell 10 is installed on the support frame 30, the overall system has high-strength, and the battery system 100 can be stably installed, and the overall system can be guaranteed, and the battery system 100 can be stably and has a high service life.
In this embodiment, referring to fig. 4, in the first direction, the positive and negative poles of any two adjacent cells 10 are different, i.e. the positive and negative poles are alternating, while in the second direction, the positive and negative poles of any two adjacent cells 10 are the same, i.e. both are positive or both are negative; the arrangement of the positive electrode/negative electrode of the battery cell 10 ensures that the connection of the battery cell 10 is orderly and not easy to be disordered.
In this embodiment, referring to fig. 4 again, the battery system 100 further includes a plurality of series conductive strips 41 and a plurality of parallel conductive strips 42, which may be made of aluminum strips, the parallel conductive strips 42 are sequentially connected with the positive electrode lugs 13 or the negative electrode lugs 14 of the adjacent battery cells 10 along the second direction, as shown in fig. 4, to realize parallel connection of 4 battery cells 10, so as to form a battery cell combination, and then the series conductive strips 41 are used to connect two adjacent parallel conductive strips 42 to form a U-shaped conductive strip, that is, as shown in fig. 4, to realize serial connection of the battery cell combination; further, referring to fig. 4 again, the series conductive strips 41 and the parallel conductive strips 42 are sleeved with the positive electrode tab 13 and the negative electrode tab 14 through the connecting holes, so as to fix the N electric cores 10.
In this embodiment, referring to fig. 5 and 6 again, each partition sleeve 20 includes a first side sleeve edge 22, a second side sleeve edge 23, a third side sleeve edge 24 and a fourth side sleeve edge 25 connected end to end, where the first side sleeve edge 22 is provided with a first clamping slot 221, the second side sleeve edge 23 is provided with a second clamping slot 231, the third side sleeve edge 24 is provided with a first clamping block 241, and the fourth side sleeve edge 25 is provided with a second clamping block 251; as set up above, the stable joint of arbitrary adjacent two spacer sleeves 20 of being convenient for forms spacer sleeve unit 20a, also can improve structural strength, on the other hand also makes the installation and removal between the spacer sleeves 20 very convenient, nimble, for example as shown in fig. 7, the unsmooth matching joint of second draw-in groove 231 and the second fixture block 25 of adjacent one spacer sleeve 20 of the second of left side spacer sleeve 20.
In this embodiment, referring to fig. 5 and 6 again, the outer end surface of each spacer 20 is uniformly provided with a plurality of first connection portions 26 around the battery cell slot 21, preferably four first connection portions 26 are uniformly provided, correspondingly, each support frame 30 is provided with a second connection portion 32 which is in concave-convex matching connection with the first connection portion 26, for example, the first connection portion 26 is provided with a hole, the second connection portion 32 is provided with a column, the second connection portion 32 is inserted into the first connection portion 26 to realize connection, on the other hand, the assembly and disassembly between the spacer 20 and the support frame 30 are convenient and flexible, and a support column 33 is formed between the second connection portion 32 and the body 30a of the support frame 30 to provide support for inserting the tab of the battery cell 10 into the support cap 3, and meanwhile, the body 30a is not attached to the end surface of the battery cell 10, which is helpful for heat dissipation.
In this embodiment, the thickness of each spacer sleeve 20 is set to t=12mm to 18mm, so that when the battery cell 10 is mounted on the spacer sleeve 20, the width of the two ends of the battery cell 10 supported by the spacer sleeve 20 is t=12mm to 18mm, and the heat dissipation effect is good while the stability of the battery cell 10 supported is ensured.
In this embodiment, further, referring to fig. 5 and 6, the inner circumferential surface of the cell groove 21 is set to coincide with the outer circumference of the cell 10, the end of the cell groove 21 is provided with a limiting groove edge protruding toward the center, the structural form of the limiting groove edge is not limited, the protruding length of the limiting groove edge toward the center is 1.5 mm-2 mm, and the limiting groove edge is set to prevent the cell 10 from being excessively installed.
In this embodiment, referring to fig. 8 and 9 again, the body 30a of the supporting frame 30 is provided with a plurality of through holes 34 around the supporting cap 31, the shape of the through holes 34 can be round, square, etc., and the arrangement of the through holes 34 helps to dissipate heat and also saves materials.
In this embodiment, referring to fig. 8 and 9 again, the body 30a of the supporting frame 30 is provided with a plurality of connecting strips 35 protruding inwards, the connecting strips 35 connect two adjacent supporting columns 33, and the number of the connecting strips 35 is one less than the number of the supporting columns 33, as shown in fig. 8 and 9, four supporting columns 33 and three connecting strips 35 are provided as above, the connecting strips 35 connect two adjacent supporting columns 33, which is helpful for improving the structural strength, and a line through hole 30b is formed between one group of two adjacent supporting columns 33, which is helpful for the threading out of the wiring of the battery cell 10.
In this embodiment, referring again to fig. 8 and 9, the body 30a of the supporting frame 30 is provided with a plurality of protection strips 36 protruding outwards, and the plurality of protection strips 36 are disposed around the supporting cap 31, so that the protection strips 36 can surround the supporting cap 31 for protection, and prevent the supporting cap 31 from collision and damage.
Referring to fig. 10, the present embodiment also provides an electrical energy storage device 1000, where the electrical energy storage device 1000 includes a housing 200 and one or more battery systems 100 as described above, one or more battery systems 100 are mounted in the housing 200, such as shown in fig. 10, and two battery systems 100 are mounted in the housing 200.
Finally, it should be noted that the above description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way. Any person skilled in the art can make many possible variations and simple substitutions to the technical solution of the present utility model by using the methods and technical matters disclosed above without departing from the scope of the technical solution of the present utility model, and these all fall into the scope of protection of the technical solution of the present utility model.
Claims (10)
1. A battery system characterized in that: comprising
N electric cores; and
The battery cell structure comprises M separation sleeves, wherein each separation sleeve is internally provided with a battery cell groove, the M separation sleeves are divided into two separation sleeve units in a bisecting mode, in each separation sleeve unit, any two adjacent separation sleeves are clamped in a first direction, any two adjacent separation sleeves are clamped in a second direction, and two ends of each battery cell are respectively installed in each battery cell groove of the two separation sleeve units, wherein the first direction is perpendicular to the second direction;
The M support frames are clamped with the separation sleeves, each support frame is provided with a support cap, and the stage lug of each battery cell is inserted into each support cap;
wherein, M=2N, N > 0, N is a natural number.
2. The battery system according to claim 1, wherein: and along the first direction, the positive and negative poles of any two adjacent electric cores are different, and along the second direction, the positive and negative poles of any two adjacent electric cores are the same.
3. The battery system according to claim 2, wherein: the battery system further comprises a series conducting strip and a parallel conducting strip, wherein the parallel conducting strip is sequentially connected with adjacent battery cell level lugs along the second direction, and the series conducting strip is connected with two adjacent parallel conducting strips to form a U-shaped conducting strip.
4. A battery system according to any one of claims 1-3, characterized in that: each separation sleeve comprises a first side sleeve edge, a second side sleeve edge, a third side sleeve edge and a fourth side sleeve edge which are connected end to end, wherein clamping grooves are formed in the first side sleeve edge and the second side sleeve edge, and clamping blocks are arranged in the third side sleeve edge and the fourth side sleeve edge.
5. The battery system according to claim 4, wherein: the outer end face of each separation sleeve evenly sets up a plurality of first connecting portions around the electric core groove, every the support frame be equipped with the unsmooth matching connection's of first connecting portion second connecting portion, just the second connecting portion with form the support column between the body of support frame.
6. The battery system according to claim 5, wherein: the body of the support frame surrounds the support cap and is provided with a plurality of through holes.
7. The battery system according to claim 5, wherein: the body of support frame inwards protruding is equipped with a plurality of connecting strips, the connecting strip is connected two adjacent support columns, just the quantity of connecting strip is the quantity of support column subtracts one.
8. The battery system according to claim 7, wherein: the body of support frame outwards is equipped with a plurality of protection strips towards the evagination, a plurality of protection strips set up around the supporting cap.
9. The battery system according to claim 5, wherein: the thickness of each spacer bush is set to be T=12mm-18 mm.
10. An electrical energy storage device, characterized by: comprising
A case; and
One or more battery systems according to any one of claims 1-9, said battery systems being mounted within said housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322541195.8U CN220895673U (en) | 2023-09-18 | 2023-09-18 | Battery system and electric energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322541195.8U CN220895673U (en) | 2023-09-18 | 2023-09-18 | Battery system and electric energy storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220895673U true CN220895673U (en) | 2024-05-03 |
Family
ID=90878992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322541195.8U Active CN220895673U (en) | 2023-09-18 | 2023-09-18 | Battery system and electric energy storage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220895673U (en) |
-
2023
- 2023-09-18 CN CN202322541195.8U patent/CN220895673U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111599955B (en) | No module class aluminum hull battery module and aluminum hull battery | |
| CN106531913B (en) | Square battery module | |
| CN220895673U (en) | Battery system and electric energy storage device | |
| CN112928374B (en) | End plate for battery module and battery module | |
| CN211719693U (en) | Monomer electricity core, electricity core subassembly and battery package | |
| CN203760540U (en) | Battery box for lithium battery module | |
| CN211089568U (en) | Connection structure of solar energy aluminium frame subassembly | |
| CN108832039B (en) | Aluminum shell cell fixing support | |
| CN108336263A (en) | A kind of mounting bracket of cylindrical battery group | |
| CN216750125U (en) | Mounting structure of soft-packaged electrical core module | |
| CN215527824U (en) | Energy storage module and battery | |
| CN216597847U (en) | Shell assembly of battery module and battery module with shell assembly | |
| CN213124597U (en) | Square battery module support | |
| CN113013528B (en) | End plate for battery module and battery module | |
| CN215644838U (en) | Power battery fixing structure | |
| CN218472178U (en) | Novel aluminum alloy battery surround support entirely | |
| CN216133910U (en) | Battery case beneficial to heat dissipation of battery | |
| CN217590156U (en) | Intelligent bus duct with quick sealing structure | |
| CN217589323U (en) | Battery module and battery | |
| CN215644801U (en) | Housing assembly for battery module | |
| CN217956594U (en) | Light cable bridge with good shock resistance | |
| CN216250998U (en) | Lithium battery convenient to protection circuit board is stably installed | |
| CN214753328U (en) | PFC inductor with low iron loss | |
| CN218648053U (en) | End plate assembly and battery | |
| CN218887364U (en) | General type cylinder electricity core concatenation support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |