Patent ID: 7014586
Filing Date: 2006-03-21
Classification: B60K,B60L,B60W,F16H,Y02T,Y10T

Abstract:
1. An electro-mechanical transmission system, comprising at least two compounded epicyclic gearsets, one gear element of a first of the gearsets being connected to an input shaft which is connected to a prime mover, and one gear element of a second of the gearsets being connected to an output shaft, rotors of two electric machines being connected to respective gear elements of the first and second gearsets, electrical connections of stators of the machines being connected together via a controller arranged to control flow of electrical power between the machines and an energy receiver, the controller being operable to direct at least a proportion of electrical power from one of the machines operating as a generator to the energy receiver to increase the torque applied to the output shaft.