Patent ID: 6098735
Filing Date: 2000-08-08
Classification: B60K,B60L,B60W,H02K,Y02T,Y10S

Abstract:
Hybrid drive system comprising: an internal combustion engine with an output shaft, to which output shaft there is connected, via a coupling, an energy converter having first and second rotors, the rotors being rotatable at different speeds in relation to each other, at least one of said rotors being provided with one or more windings, which are supplied with current via a current-converter, the current-converter being supplied with direct current from a direct current source, and a transmission with variable gear ratio coupled to one of the rotors of the energy converter, wherein the transmission and the current-converter cooperate by means of a control arrangement comprising a control unit for controlling rotational speed and torque of the internal combustion engine and for controlling the energy converter.