Patent ID: 6899190

Claim:
A hybrid power train for use on agricultural tractors and including a diesel engine and at least two electric machines, said diesel engine and said at least two electric machines being connected mechanically to a device for dividing and recombining the power generated by said diesel engine and power associated with said electric machines, so that said electric machines function as both generators and motors, the improvement comprising: said power train including at least one of said electric machines and being housed in a structural casing defining the structural body of the tractor, said structural casing being formed in one piece and open on one side so as to permit assembly of an insulating element, a stator, and a shaft fitted with a respective rotor to form said at least one of said electric machines; and a support and a number of structural casings made of cast iron, wherein said diesel engine is connected mechanically by a further shaft to a planet carrier of said device for dividing and recombining the power generated by said diesel engine and associated with said electric machines, a first shaft of a first of said electric machines being connected mechanically to a sun gear of said device for dividing and recombining the power generated by said diesel engine and associated with said electric machines, a second shaft of a second of said electric machines being connected mechanically to a ring gear of said device for dividing and recombining the power generated by said diesel engine and associated with said electric machines.