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System and method for cooling a super-conducting device

United States Patent

January 8, 2008
View the Complete Patent at the US Patent & Trademark Office
A system and method for cooling a superconductive rotor coil. The system comprises a rotatable shaft coupled to the superconductive rotor coil. The rotatable shaft may comprise an axial passageway extending through the rotatable shaft and a first passageway extending through a wall of the rotatable shaft to the axial passageway. The axial passageway and the first passageway are operable to convey a cryogenic fluid to the superconductive rotor coil through the wall of the rotatable shaft. A cryogenic transfer coupling may be provided to supply cryogenic fluid to the first passageway.
Bray; James William (Niskayuna, NY), Steinbach; Albert Eugene (Schenectady, NY), Dawson; Richard Nils (Voorheesville, NY), Laskaris; Evangelos Trifon (Schenectady, NY), Huang; Xianrul (Clifton Park, NY)
General Electric Company (Niskayuna, NY)
10/ 813,366
March 30, 2004
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT This invention was made with Government support under contract number DE-FC36-02GO11100 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.