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Heat pipe wick with structural enhancement

United States Patent

November 18, 2003
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
Heat pipe wick structure wherein a stout sheet of perforated material overlays a high performance wick material such as stainless steel felt affixed to a substrate. The inventive structure provides a good flow path for working fluid while maintaining durability and structural stability independent of the structure (or lack of structure) associated with the wick material. In one described embodiment, a wick of randomly laid .about.8 micron thickness stainless steel fibers is sintered to a metal substrate and a perforated metal overlay.
Andraka; Charles E. (Albuquerque, NM), Adkins; Douglas R. (Albuquerque, NM), Moreno; James B. (Albuquerque, NM), Rawlinson; K. Scott (Albuquerque, NM), Showalter; Steven K. (Albuquerque, NM), Moss; Timothy A. (Albuquerque, NM)
Sandia Corporation (Albuquerque, NM)
09/ 547,966
April 12, 2000
This invention was made with support from the United States Government under Contract DE-AC04-96AL85000 awarded by the U.S. Department of Energy. The Government has certain rights in this invention.