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Flywheel system using wire-wound rotor

United States Patent

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
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.