CN202205826U - Battery pack and power supply system with same - Google Patents
Battery pack and power supply system with same Download PDFInfo
- Publication number
- CN202205826U CN202205826U CN2011203127612U CN201120312761U CN202205826U CN 202205826 U CN202205826 U CN 202205826U CN 2011203127612 U CN2011203127612 U CN 2011203127612U CN 201120312761 U CN201120312761 U CN 201120312761U CN 202205826 U CN202205826 U CN 202205826U
- Authority
- CN
- China
- Prior art keywords
- coldplate
- power brick
- battery pack
- power
- cooling
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- 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.)
- Expired - Lifetime
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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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- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a battery pack and a power supply system with same. The battery pack comprises a battery group and a housing for wrapping the external surface of the battery group; the housing comprises a box body with an opening at one end and a cooling board; the opening of the box body is closed by the cooling board; the cooling board is provided with a cooling channel, a cooling liquid inlet and a cooling liquid outlet; and the cooling liquid inlet and outlet are connected with the two ends of the cooling channel. The utility model further provides a power supply system, which comprises a battery pack and a connecting pipeline; and the battery pack is the battery pack provided by the utility model. Problems of large occupying space and high possibility of relative displacement between the cooling device and the battery group existing in the traditional cooling device are solved by the utility model. Instead, a battery pack with smaller size and firmer structure and a power supply system having the battery pack are provided by the utility model.
Description
Technical field
The utility model belongs to the electrokinetic cell field, relates in particular to a kind of power brick and power-supply system thereof.
Background technology
In recent years; Owing to face pressure and government and the consumer of energy cost pay attention to day by day for environmental protection; Hybrid vehicle and electric automobile can significantly reduce or eliminate exhaust emissions and the advantage that cuts down the consumption of energy with it; Cause the attention of numerous automobile production producer, and drop into the huge fund research and development one after another and promote.Yet power battery technology has restricted the popularization of hybrid vehicle and electric automobile greatly, becomes the bottleneck of new-energy automobile development.
Electrokinetic cell is the core component in hybrid vehicle and the electric automobile as energy storage device, and its performance quality directly has influence on the performance of car load.And the working temperature of battery directly influences the performance of battery, and in general, battery is crossed when cold, and the charge/discharge capacity of battery will reduce; When battery was overheated, the cycle life of battery reduced.If battery inclusion integral body is too high or too low for temperature, can influence the performance of battery.Electrokinetic cell is undertaken forming after the connection in series-parallel by a plurality of battery cells, if the temperature between the battery is uneven, causes the decreased performance or the inefficacy of single battery, will cause the decreased performance or the inefficacy of whole power battery.For the consistency of battery performance, change the entire cell bag because of a battery, will cause maintenance cost significantly to raise.Electric motor car is in the process of going, and electric current is little, and it is slower that battery temperature rises, but the filling soon in the process of 1C ~ 3C, electric current is very big, and battery temperature rises very fast.So it is the maximum reason that causes temperature soaring that electric motor car in long-distance operating mode or as taxi the time, fills repeatedly soon.
Several kinds of modes were carried out the battery temperature heat management below automobile vendor was main: 1, utilize the air heat exchange that battery is carried out heat management; But the air heat transfer efficiency is low; The import and export temperature difference is big; The heat that low flow rate of gas can lead out in the short time is very limited, is difficult to the heat that digestion battery high current charge-discharge produces.If the raising wind speed can cause the raising of noise and energy consumption again, and higher air channel seal request; 2, utilize the latent heat of phase change of phase-change material to absorb the battery heat, this can only slow down the rising of battery temperature, can not control the lasting temperature rise that battery produces under the long-distance operating mode.After the phase-change material heat absorption becomes liquid, battery modules also there is higher seal request, increase design cost.
The existing type of cooling, what have installs cooling system beyond the power brick again, it is bigger to take up room, and in the vehicle ' process, between power brick and the cooling device easily occurrence positions move, be unfavorable for that power brick must cool off.
The utility model content
The outer heating/cooling device of need when the utility model discharges and recharges for solving existing battery of electric vehicle; Technical problem big and that cooling device is easy and power brick relatively moves takes up room; A kind of saving electric motor car space is provided, cooling device and battery combination all-in-one-piece power brick and contain the power-supply system of this power brick.
The utility model provides a kind of power brick, comprises battery pack and is wrapped in the outer shell of battery pack, and said battery pack comprises some cells and power brace, and said power brace connects adjacent cell; Wherein, said shell comprises the box body and the coldplate of an end opening, and said coldplate seals the opening of said box body; Said coldplate is provided with the cooling duct and cooling fluid is imported and exported, and said cooling fluid is imported and exported the two ends that are connected the cooling duct.
Further, said coldplate is the plate body that has two opening edges, and said coldplate is provided with sealing device, and said sealing device seals two opening edges of said coldplate.
Preferably, said sealing device seals two opening edges of said coldplate through the mode of welding.
Further, said cooling duct comprises main channel and subaisle, and said main channel is parallel with the opening edge of coldplate, and said subaisle is arranged on the vertical direction of main channel.
Further, institute's cooling fluid is imported and exported and is connected with the main channel.
Preferably, the openend of said box body is provided with installing hole, and said coldplate is provided with down installing hole, and the said installing hole of going up is fixed together through screw and following installing hole.
Preferably, also be provided with positioning strip on the said coldplate, said positioning strip localization package is rolled in the battery pack in the shell.
The utility model also provides a kind of power-supply system, comprises power brick and connecting tube, and said connecting tube connects the cooling fluid of adjacent cell bag to be imported and exported, and links to each other with external equipment, with each power brick of cooling fluid input and output; Said power brick is the power brick that the utility model provides.
Compared with prior art:
1, the technical scheme of the utility model has replaced the one side of battery pack case with coldplate, when reaching the cooling purpose, has saved the space of power-supply system.
2, be provided with positioning strip on the coldplate of the utility model, can the self-contained battery group position of portion in the enclosure, avoid in the vehicle operating process battery pack and coldplate generation relative displacement.
Description of drawings
Fig. 1 is the power brick sketch map.
Fig. 2 is the coldplate sketch map.
Fig. 3 is the cooling duct sketch map.
Fig. 4 is the power-supply system sketch map.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with accompanying drawing and embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, the utility model provides a kind of new power brick, it comprises battery pack 1 and is wrapped in the shell 2 outside the battery pack 1 that battery pack 1 comprises some cells 11 and power brace 12, the adjacent cell 11 of power brace 12 electrical connections; Above-mentioned shell 2 comprises the box body 21 and coldplate 22 of an end opening, and coldplate 22 is used for enclosed box body 21, forms the shell 2 that is wrapped in outside the battery pack 1; Wherein, coldplate 22 is provided with the cooling duct and cooling fluid imports and exports 221, and cooling fluid import and export 221 are connected the two ends of cooling duct.The selection of above-mentioned cell 11 decides according to the specific requirement to power brick, and its number also is to decide as the case may be, and the selection of this battery and the selection of number of battery cells are commonly used for this area, repeat no more at this; The selection of number selection, connected mode and the itself of power brace is means and mode commonly used in this area, also repeats no more at this.
The box body 21 of the end opening that above-mentioned shell 2 comprises is on the basis of complete battery pack case, removes that face forms, and 22 of coldplates are to be used for replacing this face, and the opening of enclosed box body 21.
Above-mentioned coldplate 22 replaces a face, enclosed box body 21; This face can be any face of common power brick housing, and here, we preferably use coldplate 22 to replace the lower cover of common power brick housing.Coldplate 22 can well contact with battery below power brick.Adopt the power brick of a face of above-mentioned this coldplate 22 direct alternative housings, can save the volume of whole power-supply system, and reach favorable cooling effect.Coldplate 22 uses insulating material to process, and preferred PPO (polyphenylene oxide) plastics have higher intensity and forming ability.
As shown in Figure 2, above-mentioned coldplate 22 is for having the plate body of two opening edges 222, and coldplate 22 is provided with sealing device 223, and said sealing device 223 is used for sealing two opening edges 222 of coldplate 22.Thereby form the coldplate 22 of a sealing.
The structure of above-mentioned coldplate 22, just a kind of optimal way of the utility model.Two opening edges 222 are because will carry out the making of flow channel for liquids to coldplate 22 inside, and these two openings are to stay after runner is made.Again because coldplate 22 will guarantee to seal fully, so sealing device 223 has just occurred with the effect of 22 two opening edges 222 of sealing coldplate.The sealing device 222 here is exactly general strip shape body; Its material preferably can be with coldplate 22 consistent, inconsistent good certainly, as long as can guarantee and sealing that the opening edge 222 of coldplate 22 can be good.
In the utility model, adopt the mode of welding to be fixed together the opening edge 222 of sealing device 223 and coldplate 22, reach the effect of sealing.The welding here can be Laser Welding, thermofussion welding, friction welding (FW) etc., and what adopt in the present embodiment is friction welding (FW).
As shown in Figure 3, above-mentioned cooling duct comprises main channel 224 and subaisle 225, and wherein, main channel 224 laterally arranges 225 vertical direction that are arranged on main channel 224 of subaisle with the opening edge 222 of coldplate 22.In addition, the cooling duct that other are common also is available in the utility model, as long as can reach the unimpeded of the interior liquid of passage.
Simultaneously, it is to link together with main channel 224 that above-mentioned cooling fluid is imported and exported 221, thereby channel interior is carried out the input and output of cooling fluid.
Wherein, as shown in Figure 1, the openend of box body 21 is provided with installing hole 211, and coldplate 22 is provided with down installing hole 226, and last installing hole 211 is fixed together through screw (not shown) and following installing hole 226.Thereby reach box body 21 and coldplate 22 are fixed together, form the purpose of shell 2.This compound mode is a kind of optimal way of the utility model, other any can box body 21 and coldplate 22 being fixed together, and the method that forms the power brick housing all is feasible, such as method of welding or the like.
As shown in Figure 2, also be provided with positioning strip 227 on the coldplate 22, battery pack 1 just is installed between two positioning strips.The effect of positioning strip 227 is to prevent that battery pack 1 in the inner generation slip of power brick, just is positioned at battery pack 1 on the coldplate 22, guarantees that relative displacement does not take place for coldplate 22 and battery pack 1.
In addition, as shown in Figure 4, the utility model has also proposed a kind of power-supply system; Comprise power brick 4 and connecting tube 3; Connecting tube 3 connects the cooling fluid of adjacent cell bag 1 and imports and exports (not shown), and is connected with the external refrigeration fluid circulation, and cooling fluid is inputed or outputed each power brick 4.The power brick that above-mentioned power brick 4 provides for the utility model.This connected mode is well known, and just repeats no more at this.The said external coolant circulation system is in order cooling fluid to be provided for this power-supply system, to reach the purpose of cool batteries bag; Above-mentioned coolant circulation system can be selected from some circulatory systems commonly used, as long as can cooling fluid be provided for this power-supply system.
In order to guarantee the strict seal between coldplate 22 and the connecting tube 3, prevent the cooling fluid leakage, the utility model selects for use the flexible pipe of elasticity thickening as connecting tube 3, and fixes with clip.This fixing, the mode of preferred weld is welded on cooling fluid with flexible pipe and imports and exports on 221, guarantees the strict seal between them.
In addition, as shown in Figure 1, this power-supply system also comprises heat insulation foam 6, and heat insulation foam 6 is installed in the bottom of coldplate 22.Heat insulation foam 6 can be selected to stick on the bottom surface of coldplate 22.Can play heat insulation and shockproof effect.
Simultaneously, as shown in Figure 1, between coldplate 22 and heat insulation foam 6, can also be mounted with heater 5, heater 5 can be common Electric radiant Heating Film or PTC heating film etc., preferred PTC heating film.Wherein, heating film is preferably used gum and battery close adhesion.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (10)
1. a power brick comprises battery pack and is wrapped in the outer shell of battery pack, and said battery pack comprises some cells and power brace, and said power brace connects adjacent cell; It is characterized in that:
Said shell comprises the box body and the coldplate of an end opening, and said coldplate seals the opening of said box body; Said coldplate is provided with the cooling duct and cooling fluid is imported and exported, and said cooling fluid is imported and exported the two ends that are connected the cooling duct.
2. power brick as claimed in claim 1 is characterized in that: said coldplate is the plate body that has two opening edges, and said coldplate is provided with sealing device, and said sealing device seals two opening edges of said coldplate.
3. power brick as claimed in claim 2 is characterized in that: said sealing device seals two opening edges of said coldplate through the mode of welding.
4. power brick as claimed in claim 1 is characterized in that: said cooling duct comprises main channel and subaisle, and said main channel is parallel with the opening edge of coldplate, and said subaisle is arranged on the vertical direction of main channel.
5. power brick as claimed in claim 1 is characterized in that: said cooling fluid is imported and exported and is connected with the main channel.
6. power brick as claimed in claim 1 is characterized in that: the openend of said box body is provided with installing hole, and said coldplate is provided with down installing hole, and the said installing hole of going up is fixed together through screw and following installing hole.
7. power brick as claimed in claim 1 is characterized in that: also be provided with positioning strip on the said coldplate, said positioning strip localization package is rolled in the battery pack in the shell.
8. a power-supply system comprises power brick and connecting tube, and said connecting tube connects the cooling fluid of adjacent cell bag to be imported and exported, and links to each other with the external refrigeration fluid circulation, and cooling fluid is inputed or outputed each power brick; It is characterized in that:
Said power brick is any described power brick of claim 1 to 7.
9. power-supply system as claimed in claim 8 is characterized in that: also contain heat insulation foam, said heat insulation foam sticks on the bottom surface of coldplate.
10. power-supply system as claimed in claim 9 is characterized in that: also comprise heater, said heater is fixed between coldplate and the heat insulation foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203127612U CN202205826U (en) | 2011-08-25 | 2011-08-25 | Battery pack and power supply system with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203127612U CN202205826U (en) | 2011-08-25 | 2011-08-25 | Battery pack and power supply system with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202205826U true CN202205826U (en) | 2012-04-25 |
Family
ID=45969928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203127612U Expired - Lifetime CN202205826U (en) | 2011-08-25 | 2011-08-25 | Battery pack and power supply system with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202205826U (en) |
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474712A (en) * | 2012-06-06 | 2013-12-25 | 支红俊 | Sealed water cooling plate structure used on lithium battery module |
| CN104201435A (en) * | 2014-08-29 | 2014-12-10 | 普天新能源车辆技术有限公司 | Sealed liquid-cooling lithium ion battery pack |
| CN104733671A (en) * | 2013-12-19 | 2015-06-24 | 福特全球技术公司 | Method used for assembling battery and battery assembly |
| CN104981937A (en) * | 2013-06-07 | 2015-10-14 | 株式会社Lg化学 | Battery pack with enhanced safety against leakage of liquid-phase refrigerant |
| CN105280977A (en) * | 2014-07-21 | 2016-01-27 | 福特全球技术公司 | Battery thermal management system including thermal interface material with integrated heater element |
| CN106025435A (en) * | 2016-07-26 | 2016-10-12 | 李清雪 | Power battery cooling system |
| CN106299544A (en) * | 2016-10-21 | 2017-01-04 | 法乐第(北京)网络科技有限公司 | Battery modules and battery bag |
| CN106711370A (en) * | 2016-12-29 | 2017-05-24 | 浙江吉利汽车研究院有限公司 | Battery box lower tray |
| CN106941201A (en) * | 2017-02-22 | 2017-07-11 | 广东文轩热能科技股份有限公司 | A kind of electrokinetic cell preheating device and method applied to new-energy automobile |
| CN107342445A (en) * | 2017-02-22 | 2017-11-10 | 广东文轩热能科技股份有限公司 | A kind of new energy car battery preheating device and method |
| CN107768564A (en) * | 2017-09-21 | 2018-03-06 | 常州普莱德新能源电池科技有限公司 | Battery case and its heat management system |
| CN108134031A (en) * | 2018-01-30 | 2018-06-08 | 汽-大众汽车有限公司 | A kind of battery pack housing of integrated coolant flow channel |
| CN109216604A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Battery tray and battery pack assembly with it |
| CN109216605A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Battery tray, battery pack assembly and the vehicle with it |
| CN109616591A (en) * | 2017-06-30 | 2019-04-12 | 比亚迪股份有限公司 | Battery tray and battery pack assembly with it |
| CN109950654A (en) * | 2019-03-22 | 2019-06-28 | 爱美达（上海）热能系统有限公司 | A kind of battery cooling apparatus |
| CN110611059A (en) * | 2018-06-14 | 2019-12-24 | 宁德时代新能源科技股份有限公司 | Battery pack and electric automobile |
| CN112117400A (en) * | 2019-06-21 | 2020-12-22 | 比亚迪股份有限公司 | Power battery package and vehicle |
| WO2020260482A1 (en) * | 2019-06-28 | 2020-12-30 | Faurecia Systemes D'echappement | Electricity storage battery and vehicle |
| CN114204159A (en) * | 2021-11-08 | 2022-03-18 | 岚图汽车科技有限公司 | Battery pack cooling plate, cooling device and preparation method of battery pack cooling plate |
-
2011
- 2011-08-25 CN CN2011203127612U patent/CN202205826U/en not_active Expired - Lifetime
Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103474712B (en) * | 2012-06-06 | 2015-12-16 | 支红俊 | A kind of sealing cooled plate structure be applied on lithium battery module |
| CN103474712A (en) * | 2012-06-06 | 2013-12-25 | 支红俊 | Sealed water cooling plate structure used on lithium battery module |
| CN104981937B (en) * | 2013-06-07 | 2018-07-17 | 株式会社Lg 化学 | For battery pack of the liquid refrigerant leakage with improved safety |
| CN104981937A (en) * | 2013-06-07 | 2015-10-14 | 株式会社Lg化学 | Battery pack with enhanced safety against leakage of liquid-phase refrigerant |
| US10084219B2 (en) | 2013-06-07 | 2018-09-25 | Lg Chem, Ltd. | Battery pack having improved safety against leakage of liquid refrigerant |
| CN104733671A (en) * | 2013-12-19 | 2015-06-24 | 福特全球技术公司 | Method used for assembling battery and battery assembly |
| CN104733671B (en) * | 2013-12-19 | 2019-01-29 | 福特全球技术公司 | For assembling the method and battery component of battery |
| CN105280977A (en) * | 2014-07-21 | 2016-01-27 | 福特全球技术公司 | Battery thermal management system including thermal interface material with integrated heater element |
| CN104201435A (en) * | 2014-08-29 | 2014-12-10 | 普天新能源车辆技术有限公司 | Sealed liquid-cooling lithium ion battery pack |
| CN106025435A (en) * | 2016-07-26 | 2016-10-12 | 李清雪 | Power battery cooling system |
| CN106025435B (en) * | 2016-07-26 | 2018-08-28 | 李清雪 | Power battery cooling system |
| CN106299544A (en) * | 2016-10-21 | 2017-01-04 | 法乐第(北京)网络科技有限公司 | Battery modules and battery bag |
| CN106711370A (en) * | 2016-12-29 | 2017-05-24 | 浙江吉利汽车研究院有限公司 | Battery box lower tray |
| CN107342445A (en) * | 2017-02-22 | 2017-11-10 | 广东文轩热能科技股份有限公司 | A kind of new energy car battery preheating device and method |
| CN106941201A (en) * | 2017-02-22 | 2017-07-11 | 广东文轩热能科技股份有限公司 | A kind of electrokinetic cell preheating device and method applied to new-energy automobile |
| CN109216604B (en) * | 2017-06-30 | 2020-12-25 | 比亚迪股份有限公司 | Battery tray and battery pack assembly with same |
| CN109216604A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Battery tray and battery pack assembly with it |
| CN109216605A (en) * | 2017-06-30 | 2019-01-15 | 比亚迪股份有限公司 | Battery tray, battery pack assembly and the vehicle with it |
| CN109616591A (en) * | 2017-06-30 | 2019-04-12 | 比亚迪股份有限公司 | Battery tray and battery pack assembly with it |
| CN107768564A (en) * | 2017-09-21 | 2018-03-06 | 常州普莱德新能源电池科技有限公司 | Battery case and its heat management system |
| CN108134031A (en) * | 2018-01-30 | 2018-06-08 | 汽-大众汽车有限公司 | A kind of battery pack housing of integrated coolant flow channel |
| CN110611059A (en) * | 2018-06-14 | 2019-12-24 | 宁德时代新能源科技股份有限公司 | Battery pack and electric automobile |
| CN109950654A (en) * | 2019-03-22 | 2019-06-28 | 爱美达（上海）热能系统有限公司 | A kind of battery cooling apparatus |
| CN112117400A (en) * | 2019-06-21 | 2020-12-22 | 比亚迪股份有限公司 | Power battery package and vehicle |
| KR20220003086A (en) * | 2019-06-21 | 2022-01-07 | 비와이디 컴퍼니 리미티드 | Power Battery Packs and Vehicles |
| US20220238940A1 (en) * | 2019-06-21 | 2022-07-28 | Byd Company Limited | Power battery pack and vehicle |
| KR102673094B1 (en) * | 2019-06-21 | 2024-06-12 | 비와이디 컴퍼니 리미티드 | Power battery packs and vehicles |
| WO2020260482A1 (en) * | 2019-06-28 | 2020-12-30 | Faurecia Systemes D'echappement | Electricity storage battery and vehicle |
| FR3098022A1 (en) * | 2019-06-28 | 2021-01-01 | Faurecia Systemes D'echappement | Electricity storage battery and vehicle |
| CN114008840A (en) * | 2019-06-28 | 2022-02-01 | 佛吉亚排气系统有限公司 | Storage battery and vehicle |
| CN114204159A (en) * | 2021-11-08 | 2022-03-18 | 岚图汽车科技有限公司 | Battery pack cooling plate, cooling device and preparation method of battery pack cooling plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120425 |
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| CX01 | Expiry of patent term |