Patent ID: 6846257

Claim:
A and clutch system for a hybrid vehicle having an engine with a crankshaft and an electric motor with an output, said system comprising: a stationary housing; a planetary gearset coupled between the crankshaft and the output and adapted to provide a non-direct drive connection between the crankshaft and the output, the planetary gear set including a sun gear, a ring gear located concentrically with the sun gear, and a planet gear located and coupled between the sun gear and the ring gear; a first clutch coupled between the crankshaft and the output, said first clutch being a bi-directional roller clutch that is selectively engageable to provide a direct drive connection between the crankshaft and the output; and a second clutch coupled between the ring gear and the stationary housing, said second clutch being a one-way roller clutch adapted to allow rotation of the ring gear relative to the vehicle in a first direction and to prevent rotation of the ring gear relative to the vehicle in an opposite direction.