Patent ID: 7678003
Filing Date: 2010-03-16
Classification: B60K,F16H,Y02T

Abstract:
1. A hybrid electric vehicle powertrain comprising an engine, an electric traction motor, an electric generator and a battery; a power-dividing gearset, a first element of the power-dividing gearset being connected drivably to the engine, and a second element of the power-dividing gearset being connected drivably to the generator; a torque-reversing gearset, a first element of the torque-reversing gearset being connected drivably to a third element of the power-dividing gearset; final drive transfer gears connected drivably to a second element of the torque reversing gearset and to the motor; and a forward-reverse coupler clutch assembly for selectively connecting together two elements of the torque-reversing gearset during forward drive and connecting a third element of the torque-reversing gearset to ground to provide a torque reaction during reverse drive.