Peugeot Citroen Automobiles Sa

Peugeot Citroen Automobiles Societe Anonyme

Thomas Boutou

Serge Belmont

Olivier Boury

Alain Paumier

The invention relates to a device () for the transmission of power between a shaft () of a heat engine () and a wheel () axle shaft () of a motor vehicle. The inventive device () comprises at least one electrical machine () comprising a machine shaft () and a mechanical pump () comprising a pump shaft (). The shaft () of the engine () and the machine shaft () are connected to the pump shaft () by means of a mechanism () comprising two free wheels. The connection between the pump () and the shafts () of the transmission device is such that the pump () can be driven in any vehicle operating mode.

Power transmission device for a motor vehicle which is equipped with a free wheel mechanism that drives an oil pump

The invention concerns a device for coupling a rotor of a rotating electrical machine with the gearbox primary shaft of a motor vehicle heat engine. The device is characterized in that the hub () of the rotor () is coupled with the primary shaft () by a mating part () comprising an externally toothed crown () meshing in the hub () and a central sleeve () coupled with the primary shaft () through a splined connection () and in that ends () and () of the toothed crown () and of the central sleeve () of the part () are centered respectively in the hub () and on the primary shaft () in sliding arrangement. The invention is applicable in the automotive industry.

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Paris, France

Thomas Boutou