Heat pipe assembly

Abstract

The present disclosure is directed to a heat pipe assembly having a first heat pipe and at least one second heat pipe. The first heat pipe includes an inner wall surface, an outer wall surface, and at least one opening. The inner wall surface surrounds a first cavity, and the outer wall surface faces away from the inner wall surface. The at least one opening penetrates the inner wall surface and the outer wall surface. The at least one second heat pipe includes a second cavity and a connecting port. The connecting port connects the second cavity to the first cavity through the at least one opening.

What is claimed is: 
     
         1 . A heat pipe assembly comprising:
 a first heat pipe having an inner wall surface, an outer wall surface, and at least one opening, wherein the inner wall surface surrounds a first cavity, the outer wall surface faces away from the inner wall surface, and the at least one opening is disposed on a longitudinal side of the first heat pipe; and   at least one second heat pipe having a second cavity and a connecting port that is coupled to the second cavity, the at least one second heat pipe is disposed on the first heat pipe so that the second cavity of the at least one second heat pipe is connected to the first cavity of the first heat pipe via the connecting port and the at least one opening.   
     
     
         2 . The heat pipe assembly of  claim 1 , wherein the first heat pipe further comprises a first heat conducting section and two second heat conducting sections, the two second heat conducting sections are connected to opposite ends of the first heat conducting section respectively and protrude in the same direction, and the at least one opening is located in the first heat conducting section of the first heat pipe. 
     
     
         3 . The heat pipe assembly of  claim 2 , wherein each of the two second heat conducting sections is connected to the opposite ends of the first heat conducting section via a bent section. 
     
     
         4 . The heat pipe assembly of  claim 2 , wherein at least a portion of the first heat conducting section of the first heat pipe is a flat pipe. 
     
     
         5 . The heat pipe assembly of  claim 2 , wherein the at least one second heat pipe has a flanged structure at the connecting port, and the flanged structure is stacked on the outer wall surface of the first heat conducting section of the first heat pipe. 
     
     
         6 . The heat pipe assembly of  claim 2 , wherein the first heat conducting section has a recessed portion that is disposed on the outer wall surface and surrounds the at least one opening, and a flanged structure is disposed in the recessed portion. 
     
     
         7 . The heat pipe assembly of  claim 2 , wherein a portion of the at least one second heat pipe is inserted into the at least one opening of the first heat pipe. 
     
     
         8 . The heat pipe assembly of  claim 2 , wherein the at least one second heat pipe has a tapered structures adjacent to the connecting port, and the tapered structures are arranged in the first cavity of the first heat pipe. 
     
     
         9 . The heat pipe assembly of  claim 2 , wherein the first heat conducting section has a recessed portion disposed on the outer wall surface, and the at least one second heat pipe is stacked on the recessed portion of the first heat conducting section of the first heat pipe. 
     
     
         10 . The heat pipe assembly of  claim 2 , wherein the first heat pipe has a flanged structure at the at least one opening, and a portion of the at least one second heat pipe is inserted into the flanged structure that is protruding from the first heat pipe. 
     
     
         11 . The heat pipe assembly of  claim 10 , wherein the flanged structure of the first heat pipe has a larger diameter than the second heat pipe. 
     
     
         12 . The heat pipe assembly of  claim 2 , wherein the first heat pipe has a flanged structure at the at least one opening, and a portion of the at least one second heat pipe is sleeved on the flanged structure that is protruding from the first heat pipe. 
     
     
         13 . The heat pipe assembly of  claim 12 , wherein the second heat pipe has a larger diameter than the flanged structure of the first heat pipe. 
     
     
         14 . The heat pipe assembly of  claim 2 , further comprising at least one connecting ring including a narrow diameter ring portion and a wide diameter ring portion, wherein the narrow diameter ring portion of the at least one connecting ring is inserted into the at least one opening of the first heat pipe, and a portion of the at least one second heat pipe is inserted into the wide diameter ring portion of the at least one connecting ring. 
     
     
         15 . The heat pipe assembly of  claim 2 , wherein the at least one second heat pipe includes a flanged structure having a first surface coupled to the inner wall surface of the first heat conducting section of the first heat pipe. 
     
     
         16 . The heat pipe assembly of  claim 1 , further comprising a first wick structure and at least one second wick structure, wherein the first wick structure is disposed in the first cavity of the first heat pipe, and the at least one second wick structure is disposed in the second cavity of the at least one second heat pipe and connected to the first wick structure. 
     
     
         17 . The heat pipe assembly of  claim 16 , wherein the at least one second wick structure includes two crescent-shaped portions extending out of the connecting port. 
     
     
         18 . The heat pipe assembly of  claim 16 , wherein the at least one second wick structure has a semi-circular portion extends out of the connecting port. 
     
     
         19 . The heat pipe assembly of  claim 1 , wherein the at least one second heat pipe is welded to the first heat pipe. 
     
     
         20 . The heat pipe assembly of  claim 2 , further comprises a plurality of third heat pipes disposed on at least one of the two second heat conducting sections of the first heat pipe and the at least one second heat pipe, the plurality of third heat pipes extend in a third direction while the at least one of second heat conducting sections of the first heat pipe extends in a first direction and the at least one second heat pipe extends in a second direction. 
     
     
         21 . The heat pipe assembly of  claim 16 , further comprises a third wick structure disposed on the first wick structure in the first cavity of the first heat pipe, and the second wick structure connects to the first wick structure through the third wick structure. 
     
     
         22 . The heat pipe assembly of  claim 16 , wherein the at least one second heat pipe has a pipe wall that abuts an outer wall surface of the first heat pipe, and the at least one second wick structure in the at least one second heat pipe extends into and abuts the first wick structure in the first heat pipe. 
     
     
         23 . The heat pipe assembly of  claim 1 , wherein the at least one second heat pipe includes a flanged structure, and a pipe wall of the at least one second heat pipe abuts the outer wall surface of the first heat pipe through the flanged structure that is welded to the outer wall of the first heat pipe. 
     
     
         24 . The heat pipe assembly of  claim 16 , wherein at least one connecting ring having an inner surface disposed with a fourth wick structure connects the at least one second heat pipe to the first heat pipe, and one end of the at least one connecting ring is inserted into and attached to the at least one opening of the first heat pipe by welding. 
     
     
         25 . The heat pipe assembly of  claim 24 , wherein the fourth wick structure connects to the first wick structure and the second wick structure of the at least one second heat pipe that covers a portion of the connecting ring. 
     
     
         26 . The heat pipe assembly of  claim 1 , wherein the at least one second heat pipe is rectangular with a rectangular opening, the first heat pipe has at least one circular opening that aligns with the rectangular opening of the at least one second heat pipe, and the at least one second heat pipe is attached to the at least one rectangular opening of the first heat pipe by solder. 
     
     
         27 . The heat pipe assembly of  claim 1 , wherein the at least one second heat pipe is rectangular with a rectangular opening, the first heat pipe has at least one rectangular opening that aligns with the rectangular opening of the at least one second heat pipe, and the at least one second heat pipe is attached to the at least one rectangular opening of the first heat pipe by solder. 
     
     
         28 . The heat pipe assembly of  claim 1 , wherein one end of the at least one second heat pipe connected to the first heat pipe has a constricted portion. 
     
     
         29 . The heat pipe assembly of  claim 1 , wherein one end of the at least one second heat pipe connected to the first heat pipe has a flared portion. 
     
     
         30 . The heat pipe assembly of  claim 1 , wherein the at least one second heat pipe includes two heat pipes that are disposed to the first heat pipe in opposite directions. 
     
     
         31 . The heat pipe assembly of  claim 1 , wherein the at least one second heat pipe includes two heat pipes that are mounted on an L-shaped first heat pipe. 
     
     
         32 . The heat pipe assembly of  claim 1 , wherein at least one second heat pipe includes three second heat pipes that are vertically mounted on the first heat pipe, and ends of the first heat pipe oriented in opposing directions. 
     
     
         33 . The heat pipe assembly of  claim 1 , wherein the first heat pipe includes a bottom shell and a top shell.