Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael Encelewski0
Walt Ortmann0
Bob Fozo0
Dan Colvin0
Marvin Kraska0
Date of Patent
February 19, 2008
0Patent Application Number
118341940
Date Filed
August 6, 2007
0Patent Primary Examiner
Patent abstract
A control method and system for a hybrid vehicle powertrain with an electric motor in a power flow path between an internal combustion engine and a multiple-ratio geared transmission. Motor torque, which is added to engine torque to obtain an effective transmission input torque, is modulated to achieve smooth power-on upshifts and coasting downshifts.
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