CN101943533B - Loop heat pipe - Google Patents
Loop heat pipe Download PDFInfo
- Publication number
- CN101943533B CN101943533B CN200910304005.2A CN200910304005A CN101943533B CN 101943533 B CN101943533 B CN 101943533B CN 200910304005 A CN200910304005 A CN 200910304005A CN 101943533 B CN101943533 B CN 101943533B
- Authority
- CN
- China
- Prior art keywords
- section
- capillary
- heat pipe
- loop heat
- housing
- 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.)
- Expired - Fee Related
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/046—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure characterised by the material or the construction of the capillary structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/062—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools involving the connection or repairing of preformed parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/043—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure forming loops, e.g. capillary pumped loops
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/42—Fillings or auxiliary members in containers or encapsulations selected or arranged to facilitate heating or cooling
- H01L23/427—Cooling by change of state, e.g. use of heat pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2255/00—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes
- F28F2255/18—Heat exchanger elements made of materials having special features or resulting from particular manufacturing processes sintered
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
Abstract
The invention discloses a loop heat pipe, comprising an evaporation part adhered to a heat source and a pipeline forming a sealed loop with two ends of the evaporation part, wherein the evaporation part comprises a housing and a capillary structure adhered to the inner wall of the housing, the capillary structure comprises a first capillary part adhered to the entire inner surface of the housing of the evaporation part and a second capillary part surrounded by the first capillary part, and a plurality of steam channels are arranged between the first capillary part and the second capillary part. Compared with the prior art, the first capillary part in the loop heat pipe covers the housing of a heat absorption part of the evaporation part completely to rapidly absorb the heat of the housing, so that the heat of the housing is brought away by means of rapid evaporation of a liquid working medium inside the first capillary part in order to enhance the heat dissipation efficiency of the loop heat pipe.
Description
Technical field
The present invention relates to a kind of heat abstractor, refer to especially a kind of loop heat pipe.
Background technology
Along with the electronic and information industry development, electronic product is towards trend development more compact and multi-functional, that move more fast, the heat that electronic building brick disengages is also thereupon more and more many, causes it to further develop and must face the bottleneck that how to reduce the electronic building brick operating temperature.Want to make the due function of high-tech electronic product performance, design the significant challenge that high efficiency heat abstractor has become industry development advanced electronic product of future generation, so the utilization of loop hot-pipe will be future trend.
Present loop hot-pipe usually mainly comprises an evaporation part, a condensation part and connects a steam pipe line and a liquid line of described evaporation part and condensation part.Described evaporation part is used for contacting with thermal source, to absorb the heat of thermal source.Described evaporation part comprises a metal shell and is contained in the interior capillary structure of housing.Described capillary structure comprise a central tool reservoir central part and from the central part lateral surface be radiated entends and with some extensions of shell inner surface thermo-contact.Two adjacent extensions and shell inner surface jointly enclose and form a steam channel.The steam that working media in capillary structure is produced by thermal evaporation is circulated to steam pipe line by described steam channel, and condensation is back to the evaporation part by liquid line through the condensation part.Capillary structure only passes through end face and the housing thermo-contact of extension, so, thereby the working media only in extension directly absorbs the heat of housing and the heat of undergoing phase transition absorption housing, the capillary structure of other parts is by absorbing the undergoing phase transition of heat of housing radiation, so, in the evaporation part, phase change probability and the evaporation efficiency of working media is low, and then causes the radiating efficiency of loop heat pipe to reduce, and very causes inefficacy.
Summary of the invention
In view of this, be necessary the loop heat pipe that provides a radiating efficiency higher.
A kind of loop heat pipe, comprise that an evaporation part that is used for being sticked with thermal source reaches a pipeline that forms a sealed circuit with two ends, described evaporation part, described evaporation part comprises a housing and is attached at a capillary structure of inner walls, described capillary structure comprise the first capillary section of being attached at the whole inner surface of evaporation part housing and by the first capillary section around one second capillary section, offer some steam channels between described first, second capillary section.
Compared with prior art, in the present invention, the first capillary section covers the housing of the endothermic section of evaporation part fully, can absorb fast the heat of housing, thereby make the liquid working media rapid evaporation in the first capillary section and take away the heat of housing, and then improve the radiating efficiency of loop heat pipe.
With reference to the accompanying drawings, the invention will be further described in conjunction with specific embodiments.
Description of drawings
Fig. 1 is the schematic diagram of loop heat pipe in first embodiment of the invention.
Fig. 2 is that the evaporation part of loop heat pipe in Fig. 1 is along the cutaway view of II-II section.
Fig. 3 be in second embodiment of the invention the evaporation part along the cutaway view of II-II section.
The specific embodiment
As shown in Figure 1, be the loop heat pipe of first embodiment of the invention.This loop heat pipe comprise an evaporation part that is sticked with thermal source 10 and with this evaporation part 10 be tightly connected one around property pipeline 20.Some working medias are contained in this loop heat pipe.
Please consult simultaneously Fig. 2, this evaporation part 10 comprises a metal shell 11 and is attached at a capillary structure 13 of housing 11 inwalls.This evaporation part 10 can have various shape, and as rectangle, square, cylindric etc., its concrete shape determines according to the shape of the thermal source that is mated.In the present embodiment, this evaporation part 10 is cylindric, and is symmetrical arranged about the central shaft of its level.
The one second capillary section 133 that this capillary structure 13 comprises the one first capillary section 131 that is attached at evaporation part 10 housing 11 whole inner surfaces and is attached at the first capillary section 131 and is communicated with this first capillary section 131 is between first, second capillary section 131,133, offer some steam channels 135 along its length direction.
This first capillary section 131 is formed by the powder of braiding structure or sintering, arranges in the form of a ring.One side of the first capillary section 131 is attached on the inwall of this housing 11, and the whole inwall of covering shell 11.
This second capillary section 133 is formed by the powders of braiding structure or sintering equally, and it comprises that the central part 1331 of a column reaches and is radial outward extending some extensions 1333 from central part 1331 outer surfaces.This central part 1331 middle parts offer the reservoir 137 of a column along its bearing of trend, be used for the storage working media.Extension 1333 is uniformly distributed in central part 1331 outsides, and its outermost end is connected with the first capillary section 131.Two adjacent extensions 1333 and the first capillary section 131 surround described steam channel 135 jointly.First, second capillary section 133 connects by sintering, welding or alternate manner.
The housing 11 of this evaporation part 10 comprises the outward extending extending part 114 of an end of an endothermic section that contacts with thermal source 112 and self heat absorption section 112.The diameter of this extending part 114 is used for the storing liquid working media greater than the diameter of endothermic section 112.Offer a steam (vapor) outlet 1121 in the middle part of the other end of this endothermic section 112.This extending part 114 offers a liquid inlet 1141 away from the middle part of endothermic section 112 1 ends.This capillary structure 13 has a closed section 132 and self-enclosed section 132 open section 134 that extends.This closed section 132 is attached at endothermic section 112 inner surfaces and supports the sidewall of endothermic section 112 steam (vapor) outlet 1121 correspondences.This open section 134 is attached at extending part 114 inner surfaces, and its opening corresponding liquid inlet 1141.
Described reservoir 137 comprises the first reservoir 1371 that is positioned at closed section 132 middle parts and the second reservoir 1373 that is positioned at open section 134 middle parts.This first, second reservoir 1371,1373 is interconnected, and the diameter of the second reservoir 1373 is greater than the diameter of the first reservoir 1371.The first reservoir 1371 is used for accommodating the liquid working medias in capillary structure 13 closed sections 132 and is heated and the steam state working media that forms by these liquid working medias.The second reservoir 1373 is used for accommodating the liquid working media that refluxes from pipeline 20.
Described steam (vapor) outlet 1121 around property pipeline 20 1 ends and evaporation part 10 is tightly connected, and the other end and liquid inlet 1141 are tightly connected.The part that this pipeline 20 is connected with steam (vapor) outlet 1121 is steam pipe line 21, and its part that is connected with liquid inlet 1141 is liquid line 22.
During use, the endothermic section of evaporation part 10 housings 11 112 absorbs the heat of thermals source, and the first capillary section 131 on its inwall is heated and causes its inner working media evaporation to form the steam state working media, thereby takes away these heats.The steam state working media that the first capillary section 131 produces enters steam pipe line 21 by steam channel 135 from steam (vapor) outlet 1121.The outside radiations heat energy of steam pipe line 21 and make the cooling and formation liquid working media of steam state working media in steam pipe line 21 simultaneously, liquid working media enters liquid line 22, then enters in the second reservoir 1373 of evaporation part 10 by liquid inlet 1141.For accelerating the cooling of the interior steam state working media of steam pipe line 21, the heat abstractor that can be sticked in steam pipe line 21 outsides, in the present embodiment, this heat abstractor is a heat-conducting plate 30.Effect due to capillary force, central part 1331 and the extension 1333 of liquid working media in first, second reservoir 1371,1373 by the second capillary section 133 is sent to the first capillary section 131, thereby the dry combustion method phenomenons occur in the first capillary section 131 that prevents, have ensured the stability of loop heat pipe.
Please consult simultaneously Fig. 3, be the cutaway view of evaporation part 10a in second embodiment of the invention.In the present embodiment in evaporation part 10a and the first embodiment evaporation part 10 be that one difference is: first, second capillary 131a of section, 133a are integrally formed.
Understandably, in the present invention, the first capillary section 131 covers the housing 11 of the endothermic section 112 of evaporation part 10 fully, can absorb fast the heat of housing 11, thereby make the liquid working media rapid evaporation in the first capillary section 131 and take away the heat of housing 11, and then improve the radiating efficiency of loop heat pipe.
Claims (11)
1. loop heat pipe, comprise that an evaporation part that is used for being sticked with thermal source reaches a pipeline that forms a sealed circuit with two ends, described evaporation part, described evaporation part comprises a housing and is attached at a capillary structure of inner walls, it is characterized in that: described capillary structure comprise the first capillary section of being attached at the whole inner surface of evaporation part housing and by the first capillary section around one second capillary section, described first, offer some steam channels between the second capillary section, described housing comprises that an endothermic section and self heat absorption section one end are along the outward extending extending part of housing longitudinal direction, described the second capillary section comprises a central part, in described central part, along the reservoir that offers on the length direction of the second capillary section for the storage working media, described reservoir comprises that the first reservoir that is positioned at endothermic section one end reaches the second reservoir that is communicated with and is positioned at described extending part one end with described the first reservoir, the aperture of described the second reservoir is greater than the aperture of described the first reservoir.
2. loop heat pipe as claimed in claim 1 is characterized in that: described the first capillary section is attached on the inwall of housing in the form of a ring.
3. loop heat pipe as claimed in claim 1 is characterized in that: described the second capillary section further has the extension that arranges from described central part outward extending some intervals, and the outermost end of described extension and the first capillary section are sticked.
4. loop heat pipe as claimed in claim 3 is characterized in that: the extension of two adjacent settings of described the second capillary section and the first capillary section jointly enclose and form described steam channel.
5. loop heat pipe as claimed in claim 4, it is characterized in that: described extension is radiated entends outside the lateral of described central part.
6. loop heat pipe as claimed in claim 1 is characterized in that: described first, second capillary section is by being welded to connect.
7. loop heat pipe as claimed in claim 1 is characterized in that: described first, second capillary section is integrally formed.
8. loop heat pipe as claimed in claim 1 is characterized in that: described first, second capillary section is formed by the powder of braiding structure or sintering.
9. loop heat pipe as claimed in claim 1, it is characterized in that: described evaporation part housing one side offers a steam (vapor) outlet, opposite side offers a liquid inlet that is communicated with described steam (vapor) outlet, described capillary structure has an open section of a closed section and self-enclosed section extension, this closed section is supported the wall of the corresponding side of this evaporation part steam (vapor) outlet, the corresponding described liquid inlet of the opening of this open section, described the first reservoir is positioned in the middle part of described closed section, and described the second reservoir is positioned at described open section middle part and is communicated with described liquid inlet.
10. loop heat pipe as claimed in claim 9 is characterized in that: described pipeline is divided into a steam pipe line that is connected with steam (vapor) outlet and a liquid line that is connected with the liquid inlet, described steam pipe line and the connection of liquid line one.
11. loop heat pipe as claimed in claim 10 is characterized in that: a condensation part that further comprises the described steam pipe line that is sticked.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910304005.2A CN101943533B (en) | 2009-07-03 | 2009-07-03 | Loop heat pipe |
| US12/549,387 US20110000646A1 (en) | 2009-07-03 | 2009-08-28 | Loop heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910304005.2A CN101943533B (en) | 2009-07-03 | 2009-07-03 | Loop heat pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101943533A CN101943533A (en) | 2011-01-12 |
| CN101943533B true CN101943533B (en) | 2013-06-05 |
Family
ID=43411997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910304005.2A Expired - Fee Related CN101943533B (en) | 2009-07-03 | 2009-07-03 | Loop heat pipe |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20110000646A1 (en) |
| CN (1) | CN101943533B (en) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2527776A1 (en) * | 2011-05-24 | 2012-11-28 | Thermal Corp. | Capillary device for use in heat pipe and method of manufacturing such capillary device |
| CN102305563B (en) * | 2011-07-23 | 2012-11-14 | 鞍山钦元节能设备制造有限公司 | Heat pipe radiator working in revolution motion state |
| JP5906607B2 (en) * | 2011-08-17 | 2016-04-20 | 富士通株式会社 | Loop heat pipe and electronic device provided with the loop heat pipe |
| US20130206369A1 (en) * | 2012-02-13 | 2013-08-15 | Wei-I Lin | Heat dissipating device |
| US9170058B2 (en) * | 2012-02-22 | 2015-10-27 | Asia Vital Components Co., Ltd. | Heat pipe heat dissipation structure |
| US9599408B1 (en) * | 2012-03-03 | 2017-03-21 | Advanced Cooling Technologies, Inc. | Loop heat pipe evaporator including a second heat pipe |
| WO2015132250A1 (en) * | 2014-03-05 | 2015-09-11 | Universite Libre De Bruxelles | Wick structure for two-phase heat transfer apparatus |
| CN106413334A (en) * | 2015-07-27 | 2017-02-15 | 宏碁股份有限公司 | Radiating assembly |
| WO2017212652A1 (en) * | 2016-06-10 | 2017-12-14 | 日本碍子株式会社 | Wick |
| JPWO2017212646A1 (en) * | 2016-06-10 | 2019-04-04 | 日本碍子株式会社 | Wick |
| CN106535565B (en) * | 2016-10-26 | 2019-04-12 | 维沃移动通信有限公司 | A kind of mobile terminal radiator structure and mobile terminal |
| US20180209746A1 (en) * | 2017-01-26 | 2018-07-26 | Asia Vital Components Co., Ltd. | Wick structure and loop heat pipe using same |
| JP6843158B2 (en) * | 2017-07-18 | 2021-03-17 | 日本碍子株式会社 | Wick |
| US20190154352A1 (en) * | 2017-11-22 | 2019-05-23 | Asia Vital Components (China) Co., Ltd. | Loop heat pipe structure |
| US11408684B1 (en) * | 2018-10-11 | 2022-08-09 | Advanced Cooling Technologies, Inc. | Loop heat pipe evaporator |
| CN110895429A (en) * | 2019-05-14 | 2020-03-20 | 研祥智能科技股份有限公司 | Device heat dissipation system and method |
| CN114076531A (en) * | 2020-08-19 | 2022-02-22 | 华为技术有限公司 | Evaporator, condenser and heat dissipation device |
| CN114251963A (en) * | 2021-12-13 | 2022-03-29 | 大连理工大学 | High-temperature loop heat pipe with novel evaporator arrangement mode |
| WO2023156976A1 (en) * | 2022-02-18 | 2023-08-24 | Thales Alenia Space Italia S.P.A. Con Unico Socio | Modular evaporator assembly for a loop heat pipe thermal control system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4765396A (en) * | 1986-12-16 | 1988-08-23 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Polymeric heat pipe wick |
| US4883116A (en) * | 1989-01-31 | 1989-11-28 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Ceramic heat pipe wick |
| US6330907B1 (en) * | 1997-03-07 | 2001-12-18 | Mitsubishi Denki Kabushiki Kaisha | Evaporator and loop-type heat pipe using the same |
| CN101144694A (en) * | 2006-09-15 | 2008-03-19 | 富准精密工业(深圳)有限公司 | Loop heat pipe |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI271501B (en) * | 2005-01-14 | 2007-01-21 | Foxconn Tech Co Ltd | Heat pipe and method of manufacturing it |
-
2009
- 2009-07-03 CN CN200910304005.2A patent/CN101943533B/en not_active Expired - Fee Related
- 2009-08-28 US US12/549,387 patent/US20110000646A1/en not_active Abandoned
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4765396A (en) * | 1986-12-16 | 1988-08-23 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Polymeric heat pipe wick |
| US4883116A (en) * | 1989-01-31 | 1989-11-28 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Ceramic heat pipe wick |
| US6330907B1 (en) * | 1997-03-07 | 2001-12-18 | Mitsubishi Denki Kabushiki Kaisha | Evaporator and loop-type heat pipe using the same |
| CN101144694A (en) * | 2006-09-15 | 2008-03-19 | 富准精密工业(深圳)有限公司 | Loop heat pipe |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2007-71425A 2007.03.22 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101943533A (en) | 2011-01-12 |
| US20110000646A1 (en) | 2011-01-06 |
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Owner name: NANTONG HUACHENG LIGHTING ELECTRICAL APPLIANCE CO. Free format text: FORMER OWNER: FUHUAI (SHENZHENG) PRECISION INDUSTRY CO., LTD. Effective date: 20141115 Free format text: FORMER OWNER: HONGZHUN PRECISION INDUSTRY CO., LTD. Effective date: 20141115 |
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Free format text: CORRECT: ADDRESS; FROM: 518109 SHENZHEN, GUANGDONG PROVINCE TO: 226000 NANTONG, JIANGSU PROVINCE |
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Effective date of registration: 20141115 Address after: Tongzhou District Ping Chao Zhen Wan Zi tou Cun, Jiangsu city of Nantong province 226000 Patentee after: Nantong Huacheng Lighting Electrical Appliance Co. Ltd. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Town Industrial Zone tabulaeformis tenth East Ring Road No. 2 two Patentee before: Fuhuai (Shenzheng) Precision Industry Co., Ltd. Patentee before: Foxconn Precision Industry Co., Ltd. |
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| ASS | Succession or assignment of patent right |
Owner name: NANTONG ZHENGPING PHOTO-ELECTRIC EQUIPMENTS CO., L Free format text: FORMER OWNER: NANTONG HUACHENG LIGHTING ELECTRICAL APPLIANCE CO., LTD. Effective date: 20150215 |
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Free format text: CORRECT: ADDRESS; FROM: 226000 NANTONG, JIANGSU PROVINCE TO: 226353 NANTONG, JIANGSU PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20150215 Address after: Tongzhou District Pingchao Town Village 226353 head of Nantong city in Jiangsu Province Patentee after: Nantong Zhengping Photoelectric Equipment Co. Ltd. Address before: Tongzhou District Ping Chao Zhen Wan Zi tou Cun, Jiangsu city of Nantong province 226000 Patentee before: Nantong Huacheng Lighting Electrical Appliance Co. Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20180703 |