Heat pipe

Abstract

A heat pipe includes a hollow tube, a working medium filled in the tube, and a wick structure disposed in and contacting with the tube. The wick structure is formed by weaving first wires and second wires together. The second wires each have two opposite major surfaces. A portion of one of the two major surfaces contacts with an interior wall of the tube.

1 . A heat pipe comprising: 
 a hollow tube;    a working medium filled in the tube; and    a wick structure disposed in and contacting with the tube, the wick structure comprising a plurality of first and second wires woven together, the wick structure contacting an interior wall of the tube mainly by the second wires, and the first wires and the second wires having different cross sections.    
   
   
       2 . The heat pipe as described in  claim 1 , wherein the second wires are more flexible than the first wires.  
   
   
       3 . The heat pipe as described in  claim 2 , wherein each of the first wires has a cross section which is one of round, square, and I-shaped.  
   
   
       4 . The heat pipe as described in  claim 3 , wherein each of the second wires has a stripe-like configuration.  
   
   
       5 . The heat pipe as described in  claim 1 , wherein the first wires and second wires are made of different materials, respectively.  
   
   
       6 . The heat pipe as described in  claim 5 , wherein the first wires and second wires are made of different metals.  
   
   
       7 . The heat pipe as described in  claim 1 , wherein the first wires extend along an axial direction of the tube while the second wires extend along a circumferential direction of the tube.  
   
   
       8 . The heat pipe as described in  claim 1 , wherein the second wires each have two opposite major surfaces, one of the two opposite major surfaces contacting with the interior wall of the tube.  
   
   
       9 . The heat pipe as described in  claim 1 , wherein the wires are made of at least one of copper, aluminum, and stainless steel.  
   
   
       10 . A heat pipe comprising: 
 a tube;    a wick structure rolled and inserted into the tube, the wick structure having first wires and second wires woven together, the first wires extending along an axial direction of the tube while the second wires extending along a circumferential direction of the tube, the second wires each being made of a stripe having two major surfaces alternately contacting the first wires, a portion of one of the two major surfaces of the second wires contacting an interior wall of the tube.    
   
   
       11 . The heat pipe of  claim 10 , wherein the first wires each have a round cross section.  
   
   
       12 . The heat pipe of  claim 10 , wherein the first wires each have a substantially square cross section.  
   
   
       13 . The heat pipe of  claim 10 , wherein the first wires each have an I-shaped cross section.  
   
   
       14 . The heat pipe of  claim 10 , wherein the second wires are more flexible than the first wire.  
   
   
       15 . The heat pipe of  claim 10 , wherein the wires are made of metal.  
   
   
       16 . The heat pipe of  claim 10 , wherein the first and second wires are made of different metals, respectively.  
   
   
       17 . A heat pipe comprising: 
 a tube made of metal;    a wick structure attached on an interior wall of the tube and having first metal wires and second metal wires woven together, wherein the first metal wires extend along an axial direction of the tube and the second metal wires extend along a circumferential direction of the tube, wherein the second metal wires are more flexible than the first metal wires.    
   
   
       18 . The heat pipe of  claim 17 , wherein the second metal wires each have a rectangular cross section with two major surface, a portion of one of the two major surface being in contact with the interior wall of the heat pipe.  
   
   
       19 . The heat pipe of  claim 18 , wherein the first metal wires each have a round cross section.  
   
   
       20 . The heat pipe of  claim 18 , wherein the first metal wires each have an I-shaped cross section.