HEAT PIPE
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Sep 23, 2010
app pub date -
Jul 17, 2009
filing date -
Mar 21, 2009
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A heat pipe includes a casing having an inner wall. A plurality of protrusions are radially formed on the inner wall of the casing. The plurality of protrusions are spaced from each other and extend longitudinally from one end of the casing to the other end of the casing. A main groove is defined between every two adjacent protrusions. The protrusions each define a plurality of first auxiliary grooves and a plurality of second auxiliary grooves being alternatively arranged with respect to each other along a longitudinal direction of the casing. The first auxiliary and the second auxiliary grooves each communicate two adjacent main grooves. The first auxiliary grooves each are inclined at an angle with respect to a longitudinal axis of the casing, and the second auxiliary grooves each are inclined at another different angle with respect to the longitudinal axis of the casing.
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