Hybrid drive train for vehicle

Details Hybrid drive train for vehicle Hybrid drive train for vehicle

B - Operations, Transporting

60

K

B60K 6/387 (2007.10) B60K 6/48 (2007.10) B60W 10/02 (2006.01) B60W 20/00 (2006.01) F16D 21/06 (2006.01) F16D 48/00 (2006.01)

Patent

CA 2523771

A first aspect of the present invention is concerned with a series hybrid drive train for a vehicle comprising a traction motor, an electric generator, a three-position clutch (20) and a controller. The three-position clutch allows the generator to be connected to an internal combustion engine (12) of the vehicle, to the traction motor or to remain freewheeling. In a second aspect of the present invention, a four-position clutch is used to further allow the internal combustion engine to be connected directly to the wheels to thereby yield a series/parallel drive train. A third aspect of the present invention is concerned with a method of operating such a hybrid drive train.

L'invention concerne, dans un premier aspect, un groupe motopropulseur hybride en série pour véhicule. Ledit groupe motopropulseur comprend : un moteur de traction ; un générateur électrique ; un embrayage à trois positions (20) ; et une unité de commande. L'embrayage à trois positions permet de raccorder le générateur au moteur à combustion interne (12) du véhicule, au moteur de traction ou de rester en roue libre. Dans un deuxième aspect, l'invention concerne un embrayage à quatre positions, utilisé pour permettre le raccordement direct du moteur à combustion interne aux roues, ce qui permet d'obtenir un groupe motopropulseur en série/parallèle. Dans un troisième aspect, l'invention concerne un procédé d'exploitation dudit groupe motopropulseur hybride.

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