HEAT PIPE WITH A DUAL CAPILLARY STRUCTURE AND MANUFACTURING METHOD THEREOF
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United States of America Patent
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Issued Date -
Dec 17, 2009
app pub date -
Jun 17, 2008
filing date -
Jun 17, 2008
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Abandoned
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Abstract
A heat pipe with a dual capillary structure includes a metal tube, a first capillary, a second capillary and a working fluid. The metal tube forms a chamber and a heat-absorption part. The first capillary is formed by sintering a metal powder, and its corresponding heat-absorption part is disposed in the chamber and the second capillary is contained in the chamber and connected to an end of the first capillary. The second capillary includes an internal tube, a capillary tissue installed between inner walls of the internal tube and the metal tube, and a working fluid filled into the chamber. The invention further provides a method of manufacturing the heat pipe with a dual capillary structure.
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