US Patent 6846257 Series drive clutch
Patent 6846257 was granted and assigned to NTN Corporation on January, 2005 by the United States Patent and Trademark Office.
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Patent abstract
A clutch mechanism is disclosed for use with a hybrid electric vehicle wherein the electric motor-generator and engine are arranged in a series configuration. The clutch mechanism is positioned between and in communication with the electric motor-generator and engine to allow for either direct drive or a predetermined gear ratio between the electric motor-generator and engine. The electric motor-generator is preferably an integrated electric motor and generator. The engine is preferably a combustion engine.
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Patent Inventor Names
Richard D. Baker0
Richard Jacobson0
Russell E. Monahan0
Date of Patent
January 25, 2005
0Patent Application Number
103166680
Date Filed
December 11, 2002
0Patent Primary Examiner
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US Patent 6846257 Series drive clutch
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