Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Joseph Supina0
Shailesh Kozarekar0
Date of Patent
August 11, 2009
0Patent Application Number
114703610
Date Filed
September 6, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A hybrid electric vehicle powertrain having an engine and an electric motor and generator sub-system, which establish mechanical and electric power flow paths. Multiple-ratio gearing in a power flow path for forward drive enhances vehicle traction torque for heavy-duty vehicle applications. Reverse drive performance is enhanced by torque multiplying gearing in a reverse drive power delivery path.
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