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US20080105405A1 - Heat Pipe Multilayer Capillary Wick Support Structure - Google Patents

Heat Pipe Multilayer Capillary Wick Support Structure Download PDF

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Publication number
US20080105405A1
US20080105405A1 US11/556,266 US55626606A US2008105405A1 US 20080105405 A1 US20080105405 A1 US 20080105405A1 US 55626606 A US55626606 A US 55626606A US 2008105405 A1 US2008105405 A1 US 2008105405A1
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US
United States
Prior art keywords
capillary wick
heat pipe
support structure
auxiliary transmission
capillary
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.)
Abandoned
Application number
US11/556,266
Inventor
Hul-Chun Hsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jaffe Ltd
Original Assignee
Jaffe Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jaffe Ltd filed Critical Jaffe Ltd
Priority to US11/556,266 priority Critical patent/US20080105405A1/en
Assigned to JAFFE LIMITED reassignment JAFFE LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HSU, HUL-CHUN
Publication of US20080105405A1 publication Critical patent/US20080105405A1/en
Abandoned legal-status Critical Current

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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

Definitions

  • the present invention relates to an improved heat pipe multilayer capillary wick support structure, and more particularly to an improved heat pipe capillary wick support structure that uses a multilayer capillary wick and its support structure to increase the heat pipe capillary force and fit the applications of bend pipes.
  • the heat pipe 1 a includes a hollow pipe body 10 a , a capillary wick 11 a attached onto an internal wall surface of the pipe body 10 , and a support body 12 a disposed in the pipe body 10 a for extending the capillary wick 11 a outward to attach the capillary wick 11 a onto an internal wall surface of the pipe body 10 a .
  • the support body 12 a is a hollow cylindrical object capable of pressing the capillary wick 11 a onto the internal wall surface of the pipe body 10 a .
  • the support body 12 a further includes a plurality of steam passages 120 a for passing a working fluid through the interior of the heat pipe 1 a to facilitate a phase change.
  • the support body 12 a simply plays the role of a framework of the capillary wick 11 a in the technical concept of heat pipes, but it is not found that if the support body 12 a presses on the capillary wick 11 a , a gap will be produced between the support body 12 and the capillary wick 11 a , and thus the capillary action will be able to provide a transmission path for the liquid-state working fluid to increase the capillary force.
  • the foregoing cylindrical support body 12 a provides a larger contact area than the capillary wick 11 a , it will cause that the heat pipe 1 a cannot be bent to fit the application for bend pipes.
  • the support body 12 b is in a spiral shape to fit a curved heat pipe 1 a , and the transmission path of the spiral support body 12 b follows the spiral shape of the spiral support body 12 b instead of the axial direction of the heat pipe 1 a , and the spiral transmission path causes a large flow resistance and a weak capillary force.
  • the present invention is to provide an improved heat pipe multilayer capillary wick support structure that uses a multilayer capillary wick and its support structure to provide additional double-sided solid interfaces and improve the heat pipe capillary structure and its capillary force, and the support structure can be bent to provide a bend pipe for different curved heat pipes.
  • the present invention provides an improved heat pipe multilayer capillary wick support structure, comprising: a hollow pipe body having an internal wall surface; a first capillary wick disposed on the internal wall surface of the pipe body; a second capillary wick disposed in the first capillary wick; and an auxiliary transmission structure attached between the first and second capillary wicks for supporting the first capillary wick onto the internal wall surface of the pipe body; wherein, the auxiliary transmission structure is comprised of a plurality of running plates extended axially along the pipe body and separated parallelly with each other, and a plurality of connecting ribs connected between the running plates for forming a plurality of slender steam passages on the auxiliary transmission structure. Therefore, the invention can provide a heat pipe multilayer capillary wick support structure applicable for bend pipes and improve the capillary force.
  • FIG. 1 is a sectional view of a distal end of a traditional heat pipe
  • FIG. 2 is a sectional view of a lateral side of a portion of a traditional heat pipe
  • FIG. 3 is a sectional view of a lateral side of a portion of another traditional heat pipe
  • FIG. 4 is an exploded view of the present invention
  • FIG. 5 is a sectional view of a distal end of the present invention.
  • FIG. 6 is a sectional view of a lateral side of a portion of the present invention.
  • FIG. 7 is a sectional view of a lateral side of a portion of an auxiliary transmission structure in accordance to another preferred embodiment of the present invention.
  • the invention provides an improved heat pipe multilayer capillary wick support structure, wherein the heat pipe 1 includes a hollow pipe body 10 , a first capillary wick 11 and a second capillary wick 12 in the pipe body 10 , and an auxiliary transmission structure 13 attached between the first and second capillary wicks 11 , 12 .
  • the pipe body 10 is hollow and provided for containing the first and second capillary wicks 11 , 12 and the auxiliary transmission structure 13 , and an internal wall surface 100 is formed inside the pipe body 10 .
  • the first capillary wick 11 could be a single-layer screen mesh or a multi-layer screen mesh disposed between the pipe body 10 and the auxiliary transmission structure 13 .
  • the first capillary wick 11 is supported by the auxiliary transmission structure 13 and attached onto the internal wall surface 100 of the pipe body 10 , wherein a portion or a whole of the circumference of the auxiliary transmission structure 13 can be attached onto the internal wall surface 100 of the pipe body 10 .
  • the second capillary wick 12 also could be a screen mesh attached onto the auxiliary transmission structure 13 , and the size of meshes of the second capillary wick 12 is larger than that of the first capillary wick 11 , and the thickness of the auxiliary transmission structure 13 is smaller than the thickness of the first and second capillary wicks 11 , 12 .
  • the auxiliary transmission structure 13 of the invention is comprised of a plurality of running plates 130 extended axially along the pipe body 10 and separated parallelly with each other, and a plurality of connecting ribs 131 connected between the running plates 130 for forming a plurality of slender steam passages 132 on the auxiliary transmission structure 13 .
  • each running plate 130 of the auxiliary transmission structure 13 has a continuous surface extended axially along the pipe body 10 and contacted with the first and second capillary wicks 11 , 12 , such that the liquid-state working fluid can be flowed continuously along the axial direction of the capillary transmission without interruptions. Since the plurality of connecting ribs 131 are connected among the running plates 130 , a curved structure is formed to fit the application of bend pipes on the heat pipe 1 .
  • auxiliary transmission structure 13 can maintain its feature of supporting the first capillary wick 11 to attach the first capillary wick 11 onto the internal wall surface 100 of the pipe body 10 , and the running plates 130 and the connecting ribs 131 can form a plurality of slender steam passages 132 to assure the phase change of the working fluid.
  • the steam passages 132 between the running plates 130 of the auxiliary transmission structure 13 are arranged alternately, and the embodiment as illustrated in FIG. 6 adopts a matrix arrangement.
  • the present invention herein enhances the performance of the conventional structure and further complies with the patent application requirements and is duly filed for patent application.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)

Abstract

A heat pipe multilayer capillary wick support structure includes a hollow pipe body, a first capillary wick and a second capillary wick in the pipe body, and an auxiliary transmission structure attached between the first and second capillary wicks; wherein the auxiliary transmission structure is composed of a plurality of running plates extended axially along the pipe body and separated parallelly with each other, and a plurality of connecting ribs connected between the running plates for forming a plurality of slender steam passages on the auxiliary transmission structure, so as to constitute a heat pipe multilayer capillary wick support structure to fit bend pipes and increase the capillary force.

Description

    BACKGROUND OF THE INVENTION
  • 1. Field of the Invention
  • The present invention relates to an improved heat pipe multilayer capillary wick support structure, and more particularly to an improved heat pipe capillary wick support structure that uses a multilayer capillary wick and its support structure to increase the heat pipe capillary force and fit the applications of bend pipes.
  • 2. Description of Prior Art
  • Referring to FIG. 1 for a sectional view of a distal end of a traditional heat pipe, the heat pipe 1 a includes a hollow pipe body 10 a, a capillary wick 11 a attached onto an internal wall surface of the pipe body 10, and a support body 12 a disposed in the pipe body 10 a for extending the capillary wick 11 a outward to attach the capillary wick 11 a onto an internal wall surface of the pipe body 10 a. Referring to FIG. 2, the support body 12 a is a hollow cylindrical object capable of pressing the capillary wick 11 a onto the internal wall surface of the pipe body 10 a. The support body 12 a further includes a plurality of steam passages 120 a for passing a working fluid through the interior of the heat pipe 1 a to facilitate a phase change.
  • In FIG. 1, the support body 12 a simply plays the role of a framework of the capillary wick 11 a in the technical concept of heat pipes, but it is not found that if the support body 12 a presses on the capillary wick 11 a, a gap will be produced between the support body 12 and the capillary wick 11 a, and thus the capillary action will be able to provide a transmission path for the liquid-state working fluid to increase the capillary force. Although the foregoing cylindrical support body 12 a provides a larger contact area than the capillary wick 11 a, it will cause that the heat pipe 1 a cannot be bent to fit the application for bend pipes.
  • Referring to FIG. 3, the support body 12 b is in a spiral shape to fit a curved heat pipe 1 a, and the transmission path of the spiral support body 12 b follows the spiral shape of the spiral support body 12 b instead of the axial direction of the heat pipe 1 a, and the spiral transmission path causes a large flow resistance and a weak capillary force.
    • SUMMARY OF THE INVENTION
  • In view of the foregoing shortcomings of the prior art, the inventor of the present invention based on years of experience in the related industry to conduct experiments and modifications, and finally designed an improved heat pipe multilayer capillary wick support structure in accordance with the present invention.
  • Therefore, the present invention is to provide an improved heat pipe multilayer capillary wick support structure that uses a multilayer capillary wick and its support structure to provide additional double-sided solid interfaces and improve the heat pipe capillary structure and its capillary force, and the support structure can be bent to provide a bend pipe for different curved heat pipes.
  • The present invention provides an improved heat pipe multilayer capillary wick support structure, comprising: a hollow pipe body having an internal wall surface; a first capillary wick disposed on the internal wall surface of the pipe body; a second capillary wick disposed in the first capillary wick; and an auxiliary transmission structure attached between the first and second capillary wicks for supporting the first capillary wick onto the internal wall surface of the pipe body; wherein, the auxiliary transmission structure is comprised of a plurality of running plates extended axially along the pipe body and separated parallelly with each other, and a plurality of connecting ribs connected between the running plates for forming a plurality of slender steam passages on the auxiliary transmission structure. Therefore, the invention can provide a heat pipe multilayer capillary wick support structure applicable for bend pipes and improve the capillary force.
    • BRIEF DESCRIPTION OF DRAWINGS
  • The features of the invention believed to be novel are set forth with particularity in the appended claims. The invention itself however may be best understood by reference to the following detailed description of the invention, which describes certain exemplary embodiments of the invention, taken in conjunction with the accompanying drawings in which:
  • FIG. 1 is a sectional view of a distal end of a traditional heat pipe;
  • FIG. 2 is a sectional view of a lateral side of a portion of a traditional heat pipe;
  • FIG. 3 is a sectional view of a lateral side of a portion of another traditional heat pipe;
  • FIG. 4 is an exploded view of the present invention;
  • FIG. 5 is a sectional view of a distal end of the present invention;
  • FIG. 6 is a sectional view of a lateral side of a portion of the present invention; and
  • FIG. 7 is a sectional view of a lateral side of a portion of an auxiliary transmission structure in accordance to another preferred embodiment of the present invention.
    •  DETAILED DESCRIPTION OF THE INVENTION
  • The technical characteristics, features and advantages of the present invention will become apparent in the following detailed description of the preferred embodiments with reference to the accompanying drawings. However, the drawings are provided for reference and illustration only and are not intended for limiting the scope of the invention.
  • Referring to FIGS. 4 and 5 for an exploded view of the present invention and a sectional view of a distal end of the present invention respectively, the invention provides an improved heat pipe multilayer capillary wick support structure, wherein the heat pipe 1 includes a hollow pipe body 10, a first capillary wick 11 and a second capillary wick 12 in the pipe body 10, and an auxiliary transmission structure 13 attached between the first and second capillary wicks 11, 12.
  • The pipe body 10 is hollow and provided for containing the first and second capillary wicks 11, 12 and the auxiliary transmission structure 13, and an internal wall surface 100 is formed inside the pipe body 10. In this embodiment, the first capillary wick 11 could be a single-layer screen mesh or a multi-layer screen mesh disposed between the pipe body 10 and the auxiliary transmission structure 13. The first capillary wick 11 is supported by the auxiliary transmission structure 13 and attached onto the internal wall surface 100 of the pipe body 10, wherein a portion or a whole of the circumference of the auxiliary transmission structure 13 can be attached onto the internal wall surface 100 of the pipe body 10. The second capillary wick 12 also could be a screen mesh attached onto the auxiliary transmission structure 13, and the size of meshes of the second capillary wick 12 is larger than that of the first capillary wick 11, and the thickness of the auxiliary transmission structure 13 is smaller than the thickness of the first and second capillary wicks 11, 12.
  • Referring to FIG. 6, the auxiliary transmission structure 13 of the invention is comprised of a plurality of running plates 130 extended axially along the pipe body 10 and separated parallelly with each other, and a plurality of connecting ribs 131 connected between the running plates 130 for forming a plurality of slender steam passages 132 on the auxiliary transmission structure 13.
  • Therefore, each running plate 130 of the auxiliary transmission structure 13 has a continuous surface extended axially along the pipe body 10 and contacted with the first and second capillary wicks 11, 12, such that the liquid-state working fluid can be flowed continuously along the axial direction of the capillary transmission without interruptions. Since the plurality of connecting ribs 131 are connected among the running plates 130, a curved structure is formed to fit the application of bend pipes on the heat pipe 1. Further, the auxiliary transmission structure 13 can maintain its feature of supporting the first capillary wick 11 to attach the first capillary wick 11 onto the internal wall surface 100 of the pipe body 10, and the running plates 130 and the connecting ribs 131 can form a plurality of slender steam passages 132 to assure the phase change of the working fluid.
  • Referring to FIG. 7, the steam passages 132 between the running plates 130 of the auxiliary transmission structure 13 are arranged alternately, and the embodiment as illustrated in FIG. 6 adopts a matrix arrangement.
  • With the forgoing structure, an improved heat pipe multilayer capillary wick support structure in accordance with the present invention is provided.
  • In summation of the description above, the present invention herein enhances the performance of the conventional structure and further complies with the patent application requirements and is duly filed for patent application.
  • The present invention is illustrated with reference to the preferred embodiment and not intended to limit the patent scope of the present invention. Various substitutions and modifications have suggested in the foregoing description, and other will occur to those of ordinary skill in the art. Therefore, all such substitutions and modifications are intended to be embraced within the scope of the invention as defined in the appended claims.

Claims (10)

1. A heat pipe multilayer capillary wick support structure, comprising:
a hollow pipe body, having an internal wall surface;
a first capillary wick, disposed on the internal wall surface of the pipe body;
a second capillary wick, disposed in the first capillary wick; and
an auxiliary transmission structure, attached between the first and second capillary wicks, for supporting the first capillary wick onto the internal wall surface of the pipe body;
wherein the auxiliary transmission structure includes a plurality of running plates extended axially along the pipe body and separated parallelly with each other, and a plurality of connecting ribs connected between the running plates for forming a plurality of slender steam passages on the auxiliary transmission structure.
2. The improved heat pipe multilayer capillary wick support structure of claim 1, wherein the first capillary wick is a screen mesh.
3. The improved heat pipe multilayer capillary wick support structure of claim 1, wherein the first capillary wick comprises a plurality of layers of screen meshes stacked with each other.
4. The improved heat pipe multilayer capillary wick support structure of claim 1, wherein the second capillary wick is a screen mesh.
5. The improved heat pipe multilayer capillary wick support structure of claim 1, wherein the mesh of the second capillary wick is larger than that of the first capillary wick.
6. The improved heat pipe multilayer capillary wick support structure of claim 1, wherein the steam passages between the running plates of the auxiliary transmission structure are arranged in matrix.
7. The improved heat pipe multilayer capillary wick support structure of claim 1, wherein the steam passages between the running plates of the auxiliary transmission structure are arranged alternately with each other.
8. The improved heat pipe multilayer capillary wick support structure of claim 1, wherein the auxiliary transmission structure with a portion of its circumference disposed on the internal wall surface of the pipe body.
9. The improved heat pipe multilayer capillary wick support structure of claim 1, wherein the auxiliary transmission structure with its whole circumference disposed on the internal wall surface of the pipe body.
10. The improved heat pipe multilayer capillary wick support structure of claim 1, wherein the auxiliary transmission structure has a thickness smaller than the thickness of the first and second capillary wicks.
US11/556,266 2006-11-03 2006-11-03 Heat Pipe Multilayer Capillary Wick Support Structure Abandoned US20080105405A1 (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070114008A1 (en) * 2005-11-18 2007-05-24 Foxconn Technology Co., Ltd. Heat pipe
US20080029249A1 (en) * 2006-08-01 2008-02-07 Inventec Corporation Supporting column having porous structure
US20110088874A1 (en) * 2009-10-20 2011-04-21 Meyer Iv George Anthony Heat pipe with a flexible structure
US20120031587A1 (en) * 2010-08-05 2012-02-09 Kunshan Jue-Choung Electronics Co., Ltd. Capillary structure of heat plate
JP2013011363A (en) * 2011-06-28 2013-01-17 Fujikura Ltd Flat heat pipe
US20160131435A1 (en) * 2014-11-12 2016-05-12 Asia Vital Components Co., Ltd. Heat pipe structure
JP2018204802A (en) * 2017-05-30 2018-12-27 株式会社フジクラ heat pipe
US11191187B2 (en) * 2019-04-30 2021-11-30 Deere & Company Electronic assembly with phase-change material for thermal performance
US11371783B2 (en) * 2017-06-23 2022-06-28 Ricoh Company, Ltd. Loop heat pipe, cooling device, and electronic device
US20230209778A1 (en) * 2021-12-29 2023-06-29 Lenovo (Beijing) Limited Heat dissipation device and electronic equipment

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857441A (en) * 1970-03-06 1974-12-31 Westinghouse Electric Corp Heat pipe wick restrainer
US4909316A (en) * 1987-12-24 1990-03-20 Doryokuro Kakunenryo Kaihatsu Jigyodan Dual-tube heat pipe type heat exchanger
US5076352A (en) * 1991-02-08 1991-12-31 Thermacore, Inc. High permeability heat pipe wick structure
US6450132B1 (en) * 2000-02-10 2002-09-17 Mitsubishi Denki Kabushiki Kaisha Loop type heat pipe
US6460612B1 (en) * 2002-02-12 2002-10-08 Motorola, Inc. Heat transfer device with a self adjusting wick and method of manufacturing same
US6863117B2 (en) * 2002-02-26 2005-03-08 Mikros Manufacturing, Inc. Capillary evaporator
US20050051305A1 (en) * 2002-12-06 2005-03-10 Hsu Hul Chun Heat pipe
US20050145368A1 (en) * 2003-12-31 2005-07-07 Hsu Hul C. Heat pipe structure
US20060207749A1 (en) * 2005-03-18 2006-09-21 Jaffe Limited Multi-layer wick structure of heat pipe
US20060213646A1 (en) * 2005-03-28 2006-09-28 Jaffe Limited Wick structure of heat pipe
US20060260786A1 (en) * 2005-05-23 2006-11-23 Faffe Limited Composite wick structure of heat pipe
US7143817B2 (en) * 2004-12-28 2006-12-05 Jia-Hao Li Support structure of heat-pipe multi-layer wick structure
US20060283574A1 (en) * 2005-06-15 2006-12-21 Top Way Thermal Management Co., Ltd. Thermoduct
US20070114008A1 (en) * 2005-11-18 2007-05-24 Foxconn Technology Co., Ltd. Heat pipe

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3857441A (en) * 1970-03-06 1974-12-31 Westinghouse Electric Corp Heat pipe wick restrainer
US4909316A (en) * 1987-12-24 1990-03-20 Doryokuro Kakunenryo Kaihatsu Jigyodan Dual-tube heat pipe type heat exchanger
US5076352A (en) * 1991-02-08 1991-12-31 Thermacore, Inc. High permeability heat pipe wick structure
US6450132B1 (en) * 2000-02-10 2002-09-17 Mitsubishi Denki Kabushiki Kaisha Loop type heat pipe
US6460612B1 (en) * 2002-02-12 2002-10-08 Motorola, Inc. Heat transfer device with a self adjusting wick and method of manufacturing same
US6863117B2 (en) * 2002-02-26 2005-03-08 Mikros Manufacturing, Inc. Capillary evaporator
US20050051305A1 (en) * 2002-12-06 2005-03-10 Hsu Hul Chun Heat pipe
US20050145368A1 (en) * 2003-12-31 2005-07-07 Hsu Hul C. Heat pipe structure
US7143817B2 (en) * 2004-12-28 2006-12-05 Jia-Hao Li Support structure of heat-pipe multi-layer wick structure
US20060207749A1 (en) * 2005-03-18 2006-09-21 Jaffe Limited Multi-layer wick structure of heat pipe
US20060213646A1 (en) * 2005-03-28 2006-09-28 Jaffe Limited Wick structure of heat pipe
US20060260786A1 (en) * 2005-05-23 2006-11-23 Faffe Limited Composite wick structure of heat pipe
US20060283574A1 (en) * 2005-06-15 2006-12-21 Top Way Thermal Management Co., Ltd. Thermoduct
US7293601B2 (en) * 2005-06-15 2007-11-13 Top Way Thermal Management Co., Ltd. Thermoduct
US20070114008A1 (en) * 2005-11-18 2007-05-24 Foxconn Technology Co., Ltd. Heat pipe

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070114008A1 (en) * 2005-11-18 2007-05-24 Foxconn Technology Co., Ltd. Heat pipe
US7866373B2 (en) * 2005-11-18 2011-01-11 Foxconn Technology Co., Ltd. Heat pipe with multiple wicks
US20080029249A1 (en) * 2006-08-01 2008-02-07 Inventec Corporation Supporting column having porous structure
US20110088874A1 (en) * 2009-10-20 2011-04-21 Meyer Iv George Anthony Heat pipe with a flexible structure
US20120031587A1 (en) * 2010-08-05 2012-02-09 Kunshan Jue-Choung Electronics Co., Ltd. Capillary structure of heat plate
JP2013011363A (en) * 2011-06-28 2013-01-17 Fujikura Ltd Flat heat pipe
US20160131435A1 (en) * 2014-11-12 2016-05-12 Asia Vital Components Co., Ltd. Heat pipe structure
US9746249B2 (en) * 2014-11-12 2017-08-29 Asia Vital Components Co., Ltd. Heat pipe structure
JP2018204802A (en) * 2017-05-30 2018-12-27 株式会社フジクラ heat pipe
US11371783B2 (en) * 2017-06-23 2022-06-28 Ricoh Company, Ltd. Loop heat pipe, cooling device, and electronic device
US11191187B2 (en) * 2019-04-30 2021-11-30 Deere & Company Electronic assembly with phase-change material for thermal performance
US20230209778A1 (en) * 2021-12-29 2023-06-29 Lenovo (Beijing) Limited Heat dissipation device and electronic equipment
US12256522B2 (en) * 2021-12-29 2025-03-18 Lenovo (Beijing) Limited Heat dissipation device and electronic equipment

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AS Assignment

Owner name: JAFFE LIMITED, VIRGIN ISLANDS, BRITISH

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:HSU, HUL-CHUN;REEL/FRAME:018477/0250

Effective date: 20060120

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION

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