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Rotor assembly including superconducting magnetic coil

United States Patent

January 21, 2003
View the Complete Patent at the US Patent & Trademark Office
Superconducting coils and methods of manufacture include a superconductor tape wound concentrically about and disposed along an axis of the coil to define an opening having a dimension which gradually decreases, in the direction along the axis, from a first end to a second end of the coil. Each turn of the superconductor tape has a broad surface maintained substantially parallel to the axis of the coil.
Snitchler; Gregory L. (Shrewsbury, MA), Gamble; Bruce B. (Wellesley, MA), Voccio; John P. (Somerville, MA)
American Superconductor Corporation (Westborough, MA)
09/ 359,497
July 23, 1999
STATEMENT AS TO FEDERALLY SPONSORED RESEARCH This invention was made with Government support under Prime Contract No. DE-FC36-93CH10580 awarded to Reliance Electric Co. by the Department of Energy. The Government has certain rights under this invention.