Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 13, 2009
Patent Application Number
11059878
Date Filed
February 17, 2005
Patent Primary Examiner
Patent abstract
A powertrain includes an engine, a multi-speed transmission connected to a final drive, and a selectively engageable magnetorheological fluid clutch drivingly connected between the engine and multi-speed transmission. A motor/generator is operatively connected to the engine and the magnetorheological fluid clutch for selectively exchanging power with the engine and/or the magnetorheological fluid clutch such that the motor/generator may be used to start the engine, to drive the multi-speed transmission, and to receive energy from the magnetorheological fluid clutch for regenerative braking.
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