Orientation insensitive multi chamber thermosiphon
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United States of America Patent
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Jan 13, 2009
Grant Date -
May 15, 2008
app pub date -
Nov 15, 2006
filing date -
Nov 15, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A hermetically sealed housing includes a plurality of inner walls extending radially from a central post to a circular outer wall, thereby defining a plurality of pie shaped chambers, each independently containing a refrigerant. At least one of the chambers is always in position to remove heat from an electronic device regardless of the orientation of the heat exchanger assembly. A plurality of side fins are disposed on the outer wall of the housing, and a plurality of top fins extend radially from a central axis (A) and are disposed on top of the housing. A wicking material is disposed on the interior of each chamber. A fan assembly is disposed on top of the top fins to blow air radially down into the fins.
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