Patent ID: 8287413
Filing Date: 2012-10-16
Classification: B60K,F16H,Y02T

Abstract:
1. Power transmission device comprising: an input shaft intended to be connected to a heat engine, and an output shaft intended to be connected to a wheel shaft, a first and a second electric machine respectively comprising a stator and a rotor, each machine respectively being equipped with a shaft, and a mechanical assembly providing the mechanical connection between the input shaft, the output shaft, and the shafts of the machines, wherein at least one of the electric machines comprises a rotating rotor and a rotating stator each directly connected to the mechanical assembly, and the device comprises a switching device mounted on the shaft of one of the electric machines, this switching device enabling the shaft of the machine to be selectively and directly connected to two different elements of the mechanical assembly in order to change an operating mode of the power transmission device.