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Off-axis cooling of rotating devices using a crank-shaped heat pipe

United States Patent

January 30, 2007
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
The present invention is a crank-shaped heat pipe for cooling rotating machinery and a corresponding method of manufacture. The crank-shaped heat pipe comprises a sealed cylindrical tube with an enclosed inner wick structure. The crank-shaped heat pipe includes a condenser section, an adiabatic section, and an evaporator section. The crank-shape is defined by a first curve and a second curve existing in the evaporator section or the adiabatic section of the heat pipe. A working fluid within the heat pipe provides the heat transfer mechanism.
Jankowski; Todd A. (Los Alamos, NM), Prenger; F. Coyne (Los Alamos, NM), Waynert; Joseph A. (Los Alamos, NM)
Los Alamos National Security, LLC (Los Alamos, NM)
10/ 835,897
April 29, 2004
STATEMENT REGARDING FEDERAL RIGHTS This invention was made with government support under Contract No. W-7405-ENG-36 awarded by the U.S. Department of Energy. The government has certain rights in the invention.