Patent ID: 8425358

Claim:
A hybrid drive for traction wheels of a vehicle, the traction wheels are associated with a differential; said hybrid drive comprises: a mechanical energy source stationed on the vehicle, the mechanical energy source having a shaft; a planetary mechanism stationed on the vehicle, said planetary mechanism including: a sun gear wheel, a ring gear wheel coupled through a third controllable clutch to the differential, and a carrier coupled with said shaft of the mechanical energy source and coupled with an immovable portion of the drive or of the vehicle through a first controllable clutch; a reversible electrical machine stationed on the vehicle, said reversible electrical machine having a shaft; and a reversible two-dimensional electrical machine stationed on the vehicle, said reversible two-dimensional electrical machine including: an internal rotatable member, and an external rotatable member; wherein the internal rotatable member and the external rotatable member are controllably coupled through a second controllable clutch; the internal rotatable member is coupled with the sun gear wheel; and the external rotatable member is coupled to the differential by means of said shaft of the reversible electrical machine and said third controllable clutch.