Patent ID: 7641583

Claim:
A hybrid drive for a vehicle including at least one driving wheel; said hybrid drive comprising: an engine having an output shaft; an electric motor having an output shaft connected to the at least one driving wheel; an electric motor/generator having an output/input shaft concentrically and rotatably mounted in one of said output shaft of said electric motor and said output shaft of said engine; a clutch assembly selectively interconnecting said output/input shaft of said electric motor/generator to said output shaft of said engine and to said output shaft of said electric motor; said clutch assembly including a first disk connected to the output shaft of the electric motor, a second disk connected to the output shaft of the engine, a movable disk connected to the output/input shaft of the electric motor/generator, and an actuating mechanism associated with the movable disk, said movable disk being actuatable between a first position where said movable disk is connected to said first disk, a second position where said movable disk is connected to said second disk, and a third position where said movable disk is freewheeling; a controller so connected to said electric motor, said electric motor/generator and said clutch assembly as to control their operation.