WO2005005903A3 - Brazed wick for a heat transfer device and method of making same - Google Patents

Brazed wick for a heat transfer device and method of making same Download PDF

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Publication number
WO2005005903A3
WO2005005903A3 PCT/US2004/017298 US2004017298W WO2005005903A3 WO 2005005903 A3 WO2005005903 A3 WO 2005005903A3 US 2004017298 W US2004017298 W US 2004017298W WO 2005005903 A3 WO2005005903 A3 WO 2005005903A3
Authority
WO
WIPO (PCT)
Prior art keywords
heat transfer
particles
transfer device
making same
capillary
Prior art date
Application number
PCT/US2004/017298
Other languages
French (fr)
Other versions
WO2005005903A2 (en
Inventor
John H Rosenfeld
Kenneth G Minnerly
Original Assignee
Thermal Corp
John H Rosenfeld
Kenneth G Minnerly
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 Thermal Corp, John H Rosenfeld, Kenneth G Minnerly filed Critical Thermal Corp
Priority to EP04754005A priority Critical patent/EP1642077A2/en
Publication of WO2005005903A2 publication Critical patent/WO2005005903A2/en
Publication of WO2005005903A3 publication Critical patent/WO2005005903A3/en

Links

Classifications

    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/11—Making porous workpieces or articles
    • B22F3/1103—Making porous workpieces or articles with particular physical characteristics
    • 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
    • F28D15/0233—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 the conduits having a particular shape, e.g. non-circular cross-section, annular
    • 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
    • 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
    • B22F2998/00—Supplementary information concerning processes or compositions relating to 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
    • F28F2275/00—Fastening; Joining
    • F28F2275/04—Fastening; Joining by brazing
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4935—Heat exchanger or boiler making
    • Y10T29/49353—Heat pipe device making

Abstract

A capillary structure (25) for a heat transfer device (2), such as a heat pipe (2) is provided having a plurality of particles (27) joined together by a brazing compound (30) such that fillets (33) of the brazing compound (30) are formed between adjacent ones of the plurality of particles (27). In this way, a network of capillary passageways are formed between the particles (27) to aid in the transfer of working fluid by capillary action, while the plurality of fillets (33) provide enhanced thermal transfer properties between the plurality of particles (27) so as to greatly improve over all heat transfer efficiency of the device (2). A method of making the capillary structure (25) according to the invention is also presented.
PCT/US2004/017298 2003-06-26 2004-06-03 Brazed wick for a heat transfer device and method of making same WO2005005903A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04754005A EP1642077A2 (en) 2003-06-26 2004-06-03 Brazed wick for a heat transfer device and method of making same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/607,337 2003-06-26
US10/607,337 US6994152B2 (en) 2003-06-26 2003-06-26 Brazed wick for a heat transfer device

Publications (2)

Publication Number Publication Date
WO2005005903A2 WO2005005903A2 (en) 2005-01-20
WO2005005903A3 true WO2005005903A3 (en) 2005-07-28

Family

ID=34062287

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/017298 WO2005005903A2 (en) 2003-06-26 2004-06-03 Brazed wick for a heat transfer device and method of making same

Country Status (4)

Country Link
US (8) US6994152B2 (en)
EP (1) EP1642077A2 (en)
CN (2) CN1836145A (en)
WO (1) WO2005005903A2 (en)

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US20120175086A1 (en) 2012-07-12
US7137443B2 (en) 2006-11-21
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US20050022984A1 (en) 2005-02-03
CN1836145A (en) 2006-09-20

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