US2009188110A1PendingUtilityA1

Micro heat pipe with poligonal cross-section manufactured via extrusion or drawing

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Assignee: MOON SEOK HWANPriority: Sep 3, 2002Filed: Mar 30, 2009Published: Jul 30, 2009
Est. expirySep 3, 2022(expired)· nominal 20-yr term from priority
Inventors:Seok-Hwan MoonHo-Gyeong YunSang Choon KoGunn HwangTae Goo ChoyChi Hoon JunYoun Tae Kim
H10W 40/73B23P 2700/09B21C 23/085F28D 2015/0225Y10T29/49353F28F 1/022B21C 37/155B21C 37/151F28D 15/0233B23P 15/26
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Claims

Abstract

A method for fabricating a metal micro heat pipe with a polygonal cross-section to allow working fluid to flow by capillary force generated at edges of the polygonal of the micro heat pipe. The polygonal cross-section is formed of a single metal layer via a single drawing process. The micro heat pipe is formed of a single metal plate.

Claims

exact text as granted — not AI-modified
1 . A method comprising:
 fabricating a metal micro heat pipe with a polygonal cross-section to allow working fluid to flow by capillary force generated at the edges of the micro heat pipe, the polygonal cross-section formed of a single metal layer via a single extrusion process, wherein the micro heat pipe is formed of a single metal plate,   wherein the polygonal cross-section has more than four sides forming more than four sharp edges.   
   
   
       2 . The method of  claim 1 , wherein a plurality of micro heat pipes with a polygonal cross-section are combined together in parallel, and working fluid is allowed to flow by capillary force generated at edges of the polygonal cross-section of each of the micro heat pipes. 
   
   
       3 . The method of  claim 1 , wherein the edges of the metal micro heat pipe act as a wick. 
   
   
       4 . A method comprising:
 fabricating a metal micro heat pipe with a polygonal cross-section to allow working fluid to flow by capillary force generated at the edges of the micro heat pipe, the polygonal cross-section formed of a single metal layer via a single extrusion process, wherein the micro heat pipe is formed of a single metal plate,   wherein the metal heat pipe includes a plurality of interconnected parallel heat pipes having a polygonal cross-section having more than four sides.   
   
   
       5 . The method of  claim 4 , wherein a plurality of micro heat pipes with a polygonal cross-section are combined together in parallel, and working fluid is allowed to flow by capillary force generated at edges of the polygonal cross-section of each of the micro heat pipes. 
   
   
       6 . The method of  claim 4 , wherein the edges of the metal micro heat pipe act as a wick.

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