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Low-loss, high-speed, high-T.sub.c superconducting bearings

United States Patent

5,640,887
June 24, 1997
View the Complete Patent at the US Patent & Trademark Office
Argonne National Laboratory - Visit the Technology Development and Commercialization Website
A flywheel energy storage device including an iron structure disposed for rotation adjacent a stationary superconductor material structure and a stationary permanent magnet. The stationary permanent magnet levitates the iron structure while the superconductor structure can stabilize the rotating iron structure.
Hull; John R. (Hinsdale, IL), Mulcahy; Thomas M. (Western Springs, IL), Uherka; Kenneth L. (Frankfort, IL)
University of Chicago (Chicago, IL)
08/ 486,782
June 7, 1995
CONTRACTUAL ORIGIN OF THE INVENTION The United States Government has certain rights in this invention pursuant to Contract No. W-31-109-ENG-38 between the U.S. Department of Energy and The University of Chicago, representing Argonne National Laboratory.