Patent ID: 7475718
Filing Date: 2009-01-13
Classification: F28D,H01L

Abstract:
1. An orientation insensitive heat exchanger assembly for cooling an electronic device comprising; a boiler plate for transmitting heat from an electronic device, a hermetically sealed housing defining a plurality of independently sealed chambers, wherein said housing includes a top wall and a bottom wall and at least one outer wall disposed about a central axis (A) and a plurality of inner walls intersecting at said central axis (A) and extending radially from said central axis (A) to said outer wall, a refrigerant disposed in each of said chambers of said housing for liquid to vapor transformation of said refrigerant in each of said chamber independent of said refrigerant in other said chambers, a plurality of side fins equally spaced from one another circumferentially around said outer wall, and a plurality of charge ports disposed on said outer wall of said housing interleaved with said side fins with each of said chambers being associated with one of said charge ports for supplying liquid to each of said chambers.