CN208127249U - A kind of Waterproof battery case and its cabinet, gasket - Google Patents
A kind of Waterproof battery case and its cabinet, gasket Download PDFInfo
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- CN208127249U CN208127249U CN201820347798.0U CN201820347798U CN208127249U CN 208127249 U CN208127249 U CN 208127249U CN 201820347798 U CN201820347798 U CN 201820347798U CN 208127249 U CN208127249 U CN 208127249U
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- gasket
- flange
- battery case
- box
- cabinet
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- 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
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- Battery Mounting, Suspending (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The utility model relates to a kind of Waterproof battery case and its cabinets, gasket.The Waterproof battery case, cabinet including battery and carrying battery, cabinet includes upper box lid and lower box, upper box lid is equipped with case lid flange, lower box is equipped with box flange, case lid flange is connect by fastening bolt with box flange and is equipped with gasket between the two, case lid flange and box flange have the sealing mating surface for being adapted to gasket, sealed groove is equipped with close to the side of cabinets cavity in fastening bolt in one of them of sealing mating surface and gasket, another is equipped with the seal bead being adapted to sealed groove, sealed groove and seal bead are circumferentially extended around cabinet.The structure solves existing Waterproof battery case by the way of applying glass cement come the problems such as preventing the water inlet of fastening bolts from requiring high and maintenance inconvenient the smearing of glass cement.
Description
Technical field
The utility model relates to a kind of Waterproof battery case and its cabinets, gasket.
Background technique
Universal with electric car, the demand of power battery is also increasing, power battery as high-energy carrier,
Its reliability, stability and safety have been largely fixed the safety and reliability of vehicle.IP protection is to guarantee power
The important prerequisite of battery operation.IP higher grade, and the protective capacities of power battery is stronger, and the safety of vehicle will be got over
It is high.Currently, IP67 has become the basic requirement of shelter of battery case design on the market.Most battery cases use big flat seal single pad
The mode of layer sealing carries out IP67 protection design, is easier to the protection failure modes such as sealing surface out-of-flatness, bolt hole water inlet occur, difficult
To guarantee the processing and manufacturing of batch IP67 battery case.
Notification number CN203983345U, it is anti-that the utility model patent that the day for announcing is 2014.12.03 discloses a kind of battery pack
Water-bound, the battery pack waterproof construction is as shown in Figure 1, include upper box lid 9（Upper cover in i.e. above-mentioned patent document）, lower box 10
（Lower cover in i.e. above-mentioned patent document）, upper box lid 9 is with L-shaped upper cover side end face, lower cover of the lower box 10 with " recessed " type
Side end face, the horizontal component of upper cover side end face form case lid flange, and the horizontal component of lower cover side end face forms box flange, case lid
The horizontal seal mating surface for being equipped between flange and box flange and being adapted to rubber pad 11, rubber pad 11 form gasket.Assembly
When, upper cover side end face is embedded in lower cover side end face, and upper box lid 9, lower box 10 are by passing through the tight of case lid flange and box flange
Fixing bolt is fixedly connected.Glass cement 12 is additionally provided in the groove of lower cover side end face, for guaranteeing sealing performance.
But the Waterproof battery case needs to apply glass cement to avoid fastening bolts water inlet and lower cover side end face from being formed
Groove water inlet, requires the smearing of glass cement very high, needs to guarantee the continuity smeared, glass cement once occur discontinuously or
The just easily water inlet of dead battery case.It just needs to remove glass cement when in addition, repairing battery case, also needs to apply again after having repaired
Glue brings biggish difficulty and workload to worker's maintenance.
Utility model content
The purpose of this utility model is to provide a kind of Waterproof battery casees, to solve existing Waterproof battery case using painting glass
The mode of glue prevents the water inlet of fastening bolts from requiring problem very high and that maintenance is inconvenient to the smearing of glass cement.This reality
It is also resided in novel purpose and a kind of cabinet of Waterproof battery case is provided；The purpose of this utility model, which also resides in, provides a kind of waterproof
The gasket of battery case.
To achieve the above object, the technical solution of the utility model Waterproof battery case is：A kind of Waterproof battery case, including electricity
The cabinet in pond and carrying battery, cabinet include upper box lid and lower box, and upper box lid is equipped with case lid flange, and lower box is equipped with case
Body flange, case lid flange are connect by fastening bolt with box flange and are equipped with gasket, case lid flange and cabinet between the two
Flange has a sealing mating surface for being adapted to gasket, in fastening in one of them of the sealing mating surface and gasket
Bolt is equipped with sealed groove close to the side of cabinets cavity, another is equipped with the seal bead being adapted to sealed groove, described
Sealed groove and seal bead are circumferentially extended along cabinet.
Its advantages：Case lid flange is connect by fastening bolt with box flange and is equipped with gasket, case between the two
Lid flange and box flange have the sealing mating surface for being adapted to gasket, seal one of them of mating surface and gasket
On in fastening bolt close to the side of cabinets cavity be equipped with sealed groove, it is convex that another is equipped with the sealing being adapted to sealed groove
Muscle, sealed groove and seal bead are circumferentially extended along cabinet.This structure increases area in sealing contact, effectively prevent bolt hole into
Water, and is avoided the occurrence of by the phenomenon that sealing element excess compression causes sealing element to deviate, is effectively mentioned at preferable positioning for gasket-like
The functions such as the water proof and dust proof of cabinet are risen.
In side of the fastening bolt far from cabinets cavity equipped with close in one of them of the sealing mating surface and gasket
Groove is sealed, another is equipped with the seal bead being adapted to sealed groove.
Its advantages：In side of the fastening bolt far from cabinets cavity in one of them of sealing mating surface and gasket
Equipped with sealed groove, another is equipped with the seal bead being adapted to sealed groove, effectively avoids water and dust etc. from upper box lid
Enter with the side wall gap of lower box flanged joint.
The gasket is pasted on case lid flange or box flange by sealant.
Its advantages：Gasket is pasted on case lid flange/box flange by sealant, preferably to gasket into
Row positioning.
The cross section of the groove is arc-shaped.
The box flange is equipped with boss close to the side of cabinets cavity.
The boss upper surface, which is equipped with to be equipped with along cabinet circumferentially extending groove, groove, is tightly connected upper box lid and nowel
The sealing ring of body.
The boss has the top surface limited with upper box lid medial surface block.
The upper box lid and boss block cooperate, and the decrement of sealing ring is greater than the decrement of the gasket.
Its advantages：The Waterproof battery case uses two layers of sealing structure, and the decrement of sealing ring is greater than gasket
Decrement reinforces the sealing effect of second sealant, moisture content or dust is effectively prevent to enter battery case.
One end on case lid flange far from cabinets cavity is equipped with lower hem, and the height of lower hem is greater than the thickness of gasket.
Its advantages：Upper box lid flange face one end far from cabinets cavity is equipped with the side plate fitted closely with lower box,
Effectively water and dust etc. is avoided to enter from the side wall gap of upper box lid and lower box flanged joint.
The technical solution of the cabinet of the utility model Waterproof battery case is：A kind of cabinet of Waterproof battery case, cabinet include
Upper box lid and lower box, upper box lid are equipped with case lid flange, and lower box is equipped with box flange, and case lid flange and box flange are logical
Fastening bolt connection is crossed, case lid flange and box flange have the sealing mating surface for being adapted to gasket, and the sealing is matched
It is equipped with sealed groove or seal bead close to the side of cabinets cavity in fastening bolt on conjunction face, the sealed groove or sealing are convex
Muscle is circumferentially extended along cabinet.
Sealed groove or seal bead, institute are equipped with far from the side of cabinets cavity in fastening bolt in the sealing mating surface
Sealed groove or seal bead is stated to circumferentially extend along cabinet.
The cross section of the groove is arc-shaped.
The box flange is equipped with boss close to the side of cabinets cavity.
The boss upper surface is equipped with along cabinet circumferentially extending groove.
The boss has the top surface limited with upper box lid medial surface block.
One end of the separate cabinets cavity of case lid flange is equipped with lower hem, and the height of lower hem is greater than the thickness of gasket.
The technical solution of the gasket of the utility model Waterproof battery case is：A kind of gasket of Waterproof battery case, sealing
Pad is equipped with the through-hole that passes through of fastening bolt for connection case lid flange and box flange, gasket have for case lid flange and
The sealing surface of box flange adaptation has sealed groove or seal bead on the inside of through-hole on the sealing surface, described close
The extending direction that groove or seal bead are sealed along gasket is arranged.
Have on the sealing surface far from the sealed groove or seal bead on the inside of through-hole, the sealed groove or sealing are convex
Muscle is arranged along gasket extending direction.
The cross section of the sealed groove or seal bead is arc-shaped.
Detailed description of the invention
Fig. 1 is the waterproof construction schematic diagram of Waterproof battery case in the prior art；
Fig. 2 is the explosive view of the embodiment 1 of the utility model Waterproof battery case；
Fig. 3 is the schematic diagram of the waterproof construction of Waterproof battery case shown in Fig. 2；
Fig. 4 is the enlarged diagram of waterproof construction shown in Fig. 3.
Description of symbols：1. lower box；2. gasket；3. sealing ring；4. fastening bolt；5. upper box lid；6. groove；7.
Seal bead；8. sealed groove；9. upper box lid；10. lower box；11. rubber pad；12. glass cement.
Specific embodiment
The embodiments of the present invention is described further with reference to the accompanying drawing.
The specific embodiment 1 of the utility model Waterproof battery case, as shown in Figures 2 to 4.The Waterproof battery case includes battery
With the cabinet of carrying battery, cabinet includes upper box lid 5 and lower box 1, and upper box lid 5 is equipped with case lid flange, and lower box 1 is equipped with
Box flange, case lid flange and box flange connect by fastening bolt 4 and are equipped between the two gasket 2, case lid flange and
Box flange has a sealing mating surface for be adapted to gasket 2, in tight in one of them of sealing mating surface and gasket 2
Fixing bolt 4 is equipped with sealed groove 8 close to the side of cabinets cavity, another is equipped with the seal bead being adapted to sealed groove 8
7, sealed groove 8 and seal bead 7 are circumferentially extended along cabinet.On this basis, one of them of mating surface and gasket 2 are sealed
On in fastening bolt 4 far from cabinets cavity side be equipped with sealed groove 8, another be equipped be adapted to sealed groove 8 it is close
Seal convex ribs 7.On this basis, gasket 2 is pasted on case lid flange or box flange by sealant.On this basis, institute
It is arc-shaped for stating the cross section of groove.On this basis, one end on case lid flange far from cabinets cavity is equipped with lower hem, lower folding
The height on side is greater than the thickness of gasket 2.For example, case lid flange and box flange are connect and between the two by fastening bolt 4
Equipped with gasket 2, case lid flange and box flange are respectively provided with two arc-shaped sealed grooves 8 in 4 two sides of fastening bolt, seal
Pad 2 is equipped with four convex ribs being adapted to sealed groove 8.Gasket 2 is pasted on box flange by sealant.
As a kind of preferred embodiment, box flange is equipped with boss close to the side of cabinets cavity.On this basis,
Boss upper surface is equipped with the sealing for being equipped with along cabinet circumferentially extending groove 6, groove 6 and being tightly connected upper box lid 5 and lower box 1
Circle 3.On this basis, boss has the top surface limited with 5 medial surface block of upper box lid.On this basis, upper box lid 5 and boss
Block cooperation, the decrement of sealing ring 3 are greater than the decrement of the gasket 2.
Each preferred embodiment of above-mentioned Waterproof battery case can be used individually, and several preferred embodiments can be mutual
Combination uses.
In use, upper box lid 5 is fastenedly connected with lower box 1 by flange the Waterproof battery case, and upper box lid 5 is under
After cabinet 1 is fitted close, the decrement of sealing ring 3 is greater than the decrement of the gasket 2, and four sealings on gasket 2 are convex
Muscle 7 is respectively in the two sides of fastening bolt 4.The Waterproof battery case effectively prevent moisture content to enter in cabinet from 4 hole of bolt, and to close
Packing 2 forms preferable positioning, and structure is simple, easy to repair.
The embodiment 2 of the utility model Waterproof battery case, difference from example 1 is that, case lid flange and cabinet
The sealing face adapted of flange in fastening bolt 4 close to the side of cabinets cavity be equipped with seal bead 7, gasket 2 be equipped with it is close
Seal the sealed groove 8 that convex ribs 7 are adapted to.
The embodiment 3 of the utility model Waterproof battery case, difference from example 1 is that, 1 boss of lower box
Side wall be equipped with groove 6, the sealing ring 3 for being tightly connected upper box lid 5 and lower box 1 is equipped in groove 6.
The embodiment 4 of the utility model Waterproof battery case, difference from example 1 is that, the sealed groove 8
Cross section is rectangle.
The embodiment of the cabinet of the utility model Waterproof battery case, the cabinet of the Waterproof battery case and above-mentioned the utility model
The structure of cabinet in any embodiment of Waterproof battery case is identical, is not repeated to illustrate.
The embodiment of the gasket of the utility model Waterproof battery case, the gasket of Waterproof battery case are practical new with above-mentioned
The structure of gasket in any embodiment of type Waterproof battery case is identical, is not repeated to illustrate.
Claims (19)
1. a kind of Waterproof battery case, the cabinet including battery and carrying battery, cabinet includes upper box lid and lower box, on upper box lid
Equipped with case lid flange, lower box is equipped with box flange, case lid flange connect with box flange by fastening bolt and the two it
Between be equipped with gasket, case lid flange and box flange have the sealing mating surface for being adapted to gasket, it is characterised in that：Institute
State sealing mating surface and gasket one of them it is upper in fastening bolt close to the side of cabinets cavity equipped with sealed groove, it is another
It is a to be circumferentially extended equipped with the seal bead being adapted to sealed groove, the sealed groove and seal bead along cabinet.
2. Waterproof battery case according to claim 1, it is characterised in that：Wherein the one of the sealing mating surface and gasket
It is equipped with sealed groove far from the side of cabinets cavity in fastening bolt on a, another is equipped with the sealing being adapted to sealed groove
Convex ribs.
3. Waterproof battery case according to claim 1 or 2, it is characterised in that：The gasket is pasted by sealant
On case lid flange or box flange.
4. Waterproof battery case according to claim 1 or 2, it is characterised in that：The cross section of the groove is arc-shaped.
5. Waterproof battery case according to claim 1 or 2, it is characterised in that：The box flange is close to cabinets cavity
Side is equipped with boss.
6. Waterproof battery case according to claim 5, it is characterised in that：The boss upper surface is equipped with circumferentially prolongs along cabinet
The groove stretched, groove is interior to be equipped with the sealing ring for being tightly connected upper box lid and lower box.
7. Waterproof battery case according to claim 5, it is characterised in that：The boss has and upper box lid medial surface block
The top surface of limit.
8. Waterproof battery case according to claim 6, it is characterised in that：The upper box lid and boss block cooperate, sealing
The decrement of circle is greater than the decrement of the gasket.
9. Waterproof battery case according to claim 1, it is characterised in that：One end on case lid flange far from cabinets cavity is set
There is lower hem, the height of lower hem is greater than the thickness of gasket.
10. a kind of cabinet of Waterproof battery case, cabinet includes upper box lid and lower box, and upper box lid is equipped with case lid flange, nowel
Body is equipped with box flange, and case lid flange is connect with box flange by fastening bolt, and case lid flange and box flange have use
In the sealing mating surface being adapted to gasket, it is characterised in that：In fastening bolt close to cabinets cavity in the sealing mating surface
Side be equipped with sealed groove or seal bead, the sealed groove or seal bead are circumferentially extended along cabinet.
11. the cabinet of Waterproof battery case according to claim 10, it is characterised in that：In fastening in the sealing mating surface
Bolt is equipped with sealed groove or seal bead far from the side of cabinets cavity, and the sealed groove or seal bead are along cabinet circumferential direction
Extend.
12. the cabinet of Waterproof battery case described in 0 or 11 according to claim 1, it is characterised in that：The cross section of the groove is
It is arc-shaped.
13. the cabinet of Waterproof battery case described in 0 or 11 according to claim 1, it is characterised in that：The box flange is close to case
The side of intracoelomic cavity is equipped with boss.
14. the cabinet of Waterproof battery case according to claim 13, it is characterised in that：The boss upper surface is equipped with along case
Body circumferentially extending groove.
15. the cabinet of Waterproof battery case according to claim 13, it is characterised in that：The boss have in upper box lid
The top surface of side block limit.
16. the cabinet of Waterproof battery case according to claim 10, it is characterised in that：The separate cabinets cavity of case lid flange
One end be equipped with lower hem, the height of lower hem is greater than the thickness of gasket.
17. a kind of gasket of Waterproof battery case, gasket is equipped with to be worn for the fastening bolt for connecting case lid flange and box flange
The through-hole crossed, gasket have the sealing surface for being adapted to case lid flange and box flange, it is characterised in that：The sealing surface
Upper sealed groove or seal bead on the inside of through-hole, the sealed groove or seal bead are along the extension side of gasket
To setting.
18. the gasket of Waterproof battery case according to claim 17, it is characterised in that：Have on the sealing surface separate
Sealed groove or seal bead on the inside of through-hole, the sealed groove or seal bead are arranged along gasket extending direction.
19. the gasket of Waterproof battery case described in 7 or 18 according to claim 1, it is characterised in that：The sealed groove is close
It is arc-shaped for sealing the cross section of convex ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820347798.0U CN208127249U (en) | 2018-03-14 | 2018-03-14 | A kind of Waterproof battery case and its cabinet, gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820347798.0U CN208127249U (en) | 2018-03-14 | 2018-03-14 | A kind of Waterproof battery case and its cabinet, gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208127249U true CN208127249U (en) | 2018-11-20 |
Family
ID=64198552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820347798.0U Active CN208127249U (en) | 2018-03-14 | 2018-03-14 | A kind of Waterproof battery case and its cabinet, gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208127249U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378422A (en) * | 2018-11-30 | 2019-02-22 | 北京长城华冠汽车科技股份有限公司 | Battery case, battery modules and vehicle |
| CN109742712A (en) * | 2019-03-01 | 2019-05-10 | 江苏精一电气科技有限公司 | A kind of operation port sealing structure |
| CN110536577A (en) * | 2019-08-16 | 2019-12-03 | 江苏东方康弛机电科技有限公司 | A kind of IP67 electric machine controller shell mechanism and its radiating mode |
| CN111081939A (en) * | 2019-12-31 | 2020-04-28 | 安徽卓越电气有限公司 | Electric locomotive lithium battery structure with double-sealing structure |
| CN112103427A (en) * | 2020-09-08 | 2020-12-18 | 上海航天电源技术有限责任公司 | Immersed liquid-cooled battery seal box, battery module and power supply system |
| WO2021051990A1 (en) * | 2019-09-17 | 2021-03-25 | 宁德时代新能源科技股份有限公司 | Battery, drive device, and vehicle |
| CN114251332A (en) * | 2021-11-10 | 2022-03-29 | 国网新疆电力有限公司电力科学研究院 | Sealing flange structure for electrical equipment |
| CN114389160A (en) * | 2022-03-08 | 2022-04-22 | 斯普威尔电气有限公司 | Waterproof distribution box |
| CN114812909A (en) * | 2022-03-29 | 2022-07-29 | 东风柳州汽车有限公司 | Method, device and equipment for determining battery bolt torque and storage medium |
| WO2023060519A1 (en) * | 2021-10-14 | 2023-04-20 | 宁德时代新能源科技股份有限公司 | Accommodation device, battery, electric device, and device and method for manufacturing battery |
-
2018
- 2018-03-14 CN CN201820347798.0U patent/CN208127249U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378422A (en) * | 2018-11-30 | 2019-02-22 | 北京长城华冠汽车科技股份有限公司 | Battery case, battery modules and vehicle |
| CN109742712A (en) * | 2019-03-01 | 2019-05-10 | 江苏精一电气科技有限公司 | A kind of operation port sealing structure |
| CN110536577A (en) * | 2019-08-16 | 2019-12-03 | 江苏东方康弛机电科技有限公司 | A kind of IP67 electric machine controller shell mechanism and its radiating mode |
| CN110536577B (en) * | 2019-08-16 | 2024-04-26 | 江苏东方康弛机电科技有限公司 | Shell structure of IP67 motor controller and heat dissipation mode thereof |
| WO2021051990A1 (en) * | 2019-09-17 | 2021-03-25 | 宁德时代新能源科技股份有限公司 | Battery, drive device, and vehicle |
| CN111081939A (en) * | 2019-12-31 | 2020-04-28 | 安徽卓越电气有限公司 | Electric locomotive lithium battery structure with double-sealing structure |
| CN112103427A (en) * | 2020-09-08 | 2020-12-18 | 上海航天电源技术有限责任公司 | Immersed liquid-cooled battery seal box, battery module and power supply system |
| WO2023060519A1 (en) * | 2021-10-14 | 2023-04-20 | 宁德时代新能源科技股份有限公司 | Accommodation device, battery, electric device, and device and method for manufacturing battery |
| CN114251332A (en) * | 2021-11-10 | 2022-03-29 | 国网新疆电力有限公司电力科学研究院 | Sealing flange structure for electrical equipment |
| CN114389160A (en) * | 2022-03-08 | 2022-04-22 | 斯普威尔电气有限公司 | Waterproof distribution box |
| CN114812909A (en) * | 2022-03-29 | 2022-07-29 | 东风柳州汽车有限公司 | Method, device and equipment for determining battery bolt torque and storage medium |
| CN114812909B (en) * | 2022-03-29 | 2024-03-22 | 东风柳州汽车有限公司 | Method, device, equipment and storage medium for determining battery bolt torque |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.66, Binhe North Road, high tech Development Zone, Luoyang City, Henan Province Patentee after: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Patentee after: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Address before: No.66, Binhe North Road, high tech Development Zone, Luoyang City, Henan Province Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Patentee before: Kaibo Energy Technology Co.,Ltd. Address after: No.66, Binhe North Road, high tech Development Zone, Luoyang City, Henan Province Patentee after: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Patentee after: Kaibo Energy Technology Co.,Ltd. Address before: No.66, Binhe North Road, high tech Development Zone, Luoyang City, Henan Province Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Patentee before: CHINA AVIATION LITHIUM BATTERY RESEARCH INSTITUTE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220111 Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: Zhongchuangxin Aviation Technology Co.,Ltd. Patentee after: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Address before: No.66, Binhe North Road, high tech Development Zone, Luoyang City, Henan Province Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Patentee before: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. |
|
| TR01 | Transfer of patent right |