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Superconductor rotor cooling system

United States Patent

6,376,943
April 23, 2002
View the Complete Patent at the US Patent & Trademark Office
A system for cooling a superconductor device includes a cryocooler located in a stationary reference frame and a closed circulation system external to the cryocooler. The closed circulation system interfaces the stationary reference frame with a rotating reference frame in which the superconductor device is located. A method of cooling a superconductor device includes locating a cryocooler in a stationary reference frame, and transferring heat from a superconductor device located in a rotating reference frame to the cryocooler through a closed circulation system external to the cryocooler. The closed circulation system interfaces the stationary reference frame with the rotating reference frame.
Gamble; Bruce B. (Wellesley, MA), Sidi-Yekhlef; Ahmed (Framingham, MA), Schwall; Robert E. (Northborough, MA), Driscoll; David I. (South Euclid, OH), Shoykhet; Boris A. (Beachwood, OH)
American Superconductor Corporation (Westborough, MA)
09/ 140,154
August 26, 1998
STATEMENT AS TO FEDERALLY SPONSORED RESEARCH This invention was made with Government support under Contract No. DE-FC02-93CH10580 awarded by the Department of Energy. The Government has certain rights in this invention.