HEAT PIPE HAVING A COMPOSITE WICK STRUCTURE AND METHOD FOR MAKING THE SAME
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United States of America Patent
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Issued Date -
Sep 13, 2012
app pub date -
Mar 11, 2011
filing date -
Mar 11, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A heat pipe having a composite wick structure includes a first pipe, a second pipe, a third wick structure, a working fluid, an evaporating section, a condensing section and a transferring section. The inner wall of the first pipe is provided with a first wick structure. The evaporating section is formed on one side of the first pipe. The condensing section is formed on the other side of the first pipe. The transferring section is formed in the first pipe between the evaporating section and the condensing section. The second pipe is received in the first pipe and located in the transferring section. The outer wall of the second pipe is provided with a second wick structure. The third wick structure is provided between the first wick structure and the second wick structure. The working fluid is filled in the first pipe. By this structure, the condensed working fluid in the first pipe can quickly flow from the condensing section through the transferring section back to the evaporating section. The present invention also provides a method for making such a heat pipe.
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