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Flywheel system using wire-wound rotor

United States Patent

9,362,800
June 7, 2016
View the Complete Patent at the US Patent & Trademark Office
A flywheel is described having a rotor constructed of wire wound onto a central form. The wire is prestressed, thus mitigating stresses that occur during operation. In another aspect, the flywheel incorporates a low-loss motor using electrically non-conducting permanent magnets.
Chiao; Edward Young (San Jose, CA), Bender; Donald Arthur (San Ramon, CA), Means; Andrew E. (Livermore, CA), Snyder; Philip K. (Livermore, CA)
Amber Kinetics, Inc. (Freemont, CA)
13/ 222,693
20120062154
August 31, 2011
GOVERNMENT RIGHTS LEGEND This invention was made with government support from the U.S. Department of Energy, managed by the National Energy Technology Laboratory, under contract ID: OE-0000232. The government has certain rights in the invention.