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Cooling arrangement for a superconducting coil

United States Patent

June 30, 1998
View the Complete Patent at the US Patent & Trademark Office
A superconducting device, such as a superconducting rotor for a generator or motor. A vacuum enclosure has an interior wall surrounding a cavity containing a vacuum. A superconductive coil is placed in the cavity. A generally-annularly-arranged, thermally-conductive sheet has an inward-facing surface contacting generally the entire outward-facing surface of the superconductive coil. A generally-annularly-arranged coolant tube contains a cryogenic fluid and contacts a generally-circumferential portion of the outward-facing surface of the sheet. A generally-annularly-arranged, thermally-insulative coil overwrap generally circumferentially surrounds the sheet. The coolant tube and the inward-facing surface of the coil overwrap together contact generally the entire outward-facing surface of the sheet.
Herd; Kenneth Gordon (Niskayuna, NY), Laskaris; Evangelos Trifon (Schenectady, NY)
General Electric Company (Schenectady, NY)
08/ 702,879
August 23, 1996
This invention was made with Government support under Government Contract No. DE-FC02-93CH10589 awarded by the Department of Energy. The Government has certain rights to this invention.