Loop heat pipe with flexible artery mesh

Abstract

A loop heat pipe ( 10 ) includes an evaporator ( 11 ) thermally connected with a heat generating electronic component and including a wick structure ( 112 ) disposed therein, a condenser ( 12 ) thermally connected with a heat dissipating component, a vapor line ( 13 ) and a liquid line ( 14 ) connecting the evaporator with the condenser to form a closed loop, a predetermined quantity of bi-phase working medium contained in the closed loop, and an artery mesh ( 15 ) located within the liquid line.

1 . A loop heat pipe comprising:
 an evaporator configured for thermally connecting with a heat generating electronic component and comprising a wick structure disposed therein;   a condenser configured for thermally connecting with a heat dissipating component;   a vapor line and a liquid line connecting the evaporator with the condenser to form a closed loop;   a predetermined quantity of bi-phase working medium filled in the closed loop; and   an artery mesh positioned within the liquid line.   
   
   
       2 . The loop heat pipe of  claim 1 , wherein the artery mesh has a linear contact with an inner wall of the liquid line. 
   
   
       3 . The loop heat pipe of  claim 1 , wherein a diameter of a cross section of the artery mesh is smaller than that of the liquid line. 
   
   
       4 . The loop heat pipe of  claim 1 , wherein the artery mesh is a flexible hollow tube woven from a plurality of metal wires. 
   
   
       5 . The loop heat pipe of  claim 4 , wherein the material of the metal wires is selected from a group consisting of copper wires and stainless steel wires. 
   
   
       6 . The loop heat pipe of  claim 1 , wherein the artery mesh is formed by weaving a plurality of fiber together. 
   
   
       7 . The loop heat pipe of  claim 1 , wherein the wick structure is selected from the group consisting of grooves, sintered powder, fiber and screen mesh. 
   
   
       8 . The loop heat pipe of  claim 1 , wherein the wick structure is tubular shaped in profile and disposed in an inner wall of the evaporator. 
   
   
       9 . The loop heat pipe of  claim 1 , wherein the wick structure has a closed end contacting with the liquid line and an open end communicating with the vapor line, a vapor channel being defined in a middle portion of the open end. 
   
   
       10 . A loop heat pipe comprising:
 an evaporator configured for thermally connecting with a heat generating electronic component and comprising a wick structure disposed therein;   a condenser configured for thermally connecting with a heat dissipating component;   a vapor line connecting an open end of the wick structure with the condenser;   a liquid line connecting a closed end of the wick structure with the condenser;   a vapor channel defined in a middle portion of the open end of the wick structure and communicating with the vapor line;   an artery mesh positioned within the liquid line; and   a predetermined quantity of bi-phase working medium contained in the loop heat pipe.   
   
   
       11 . The loop heat pipe of  claim 10 , wherein the artery mesh is a hollow tube in contact with an inner wall of the liquid line. 
   
   
       12 . The loop heat pipe of  claim 10 , wherein a diameter of a cross section of the artery mesh is smaller than that of the liquid line. 
   
   
       13 . The loop heat pipe of  claim 10 , wherein the artery mesh is woven from a plurality of metal wires selected from a group consisting of copper and stainless steel wires. 
   
   
       14 . The loop heat pipe of  claim 10 , wherein the artery mesh is tightly attached to inner walls of the liquid line. 
   
   
       15 . The loop heat pipe of  claim 10 , wherein the wick structure has a column shaped outer wall contacting with an inner wall of the evaporator. 
   
   
       16 . The loop heat pipe of  claim 10 , wherein a diameter of the vapor channel is larger than a diameter of an inner wall of the vapor line.