Patent ID: 8292769

Claim:
A transmission connected with an engine of a vehicle, comprising (a) a power splitter connected with the engine and having two outputs; (b) a differential device connected with one of the power splitter outputs said differential device including a differential and a motor; (c) a clutch connected with the other of the power splitter outputs; (d) first and second gearboxes connected with the clutch and the differential device, respectively, and having outputs connected with a drive shaft, said first and second gearboxes including gear mechanisms of different ratios; (e) a controller connected with the clutch and the differential device for controlling the torque delivered through the clutch and through the differential device, respectively, to simultaneously control shifting of gear mechanisms within said first and second gearboxes, said differential device further comprises a first brake arranged between said motor and said differential, said motor and first brake operating as a drive mechanism for said differential to control the operation thereof.