Heat pipe
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United States of America Patent
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-
Jun 1, 2010
Grant Date -
Dec 6, 2007
app pub date -
Aug 4, 2006
filing date -
Jun 2, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A heat pipe includes a hollow metal casing (100) and a honeycombed wick structure (200) arranged at an inner surface of the hollow metal casing. The wick structure includes a plurality of slices (210, 220) stacked together. Each of the slices has a plurality of pores therein and a plurality of protrusions (222) formed thereon along a longitudinal direction of the heat pipe to form a plurality of liquid channels (230) in the wick structure along the longitudinal direction of the heat pipe. Each liquid channel has alternate large and small sections (232, 231) along a length thereof.
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