Hybrid drive train provided with hub motors

Details Hybrid drive train provided with hub motors Hybrid drive train provided with hub motors

B - Operations, Transporting

60

K

B60K 7/00 (2006.01) B60K 6/26 (2007.10) B60K 6/48 (2007.10)

Patent

CA 2575749

A parallel hybrid drive train is provided with an internal combustion engine (ICE) that supplies mechanical power to two driving wheels of a vehicle. Each driving wheel is provided with a respective hub motor having a stator mounted to the vehicle and a rotor directly connected to the driving wheel. The interconnection between the ICE and the driving wheel is done via a cardan joint provided between the output shaft of the ICE and each driving wheel. Accordingly, when the hub motors are energized, the drive train is in a parallel hybrid mode where both the ICE and the hub motors contribute to the rotation of the wheel. The drive train may also be placed in a conventional mode when the hub motors are not energized and in a purely electric mode when the ICE is not running.

L'invention concerne une transmission hybride parallèle pourvue d'un moteur à combustion interne (ICE) transmettant une énergie mécanique aux deux roues motrices d'un véhicule. Chaque roue motrice comprend un moteur sur moyeu correspondant avec un stator monté sur le véhicule et un rotor directement connecté à la roue motrice. L'interconnexion entre l'ICE et la roue motrice se fait par l'intermédiaire d'un joint de cardan positionné entre l'arbre de sortie de l'ICE et chaque roue motrice. Lorsque les moteurs sur moyeu sont alimentés, la transmission se trouve ainsi dans un mode hybride parallèle dans lequel l'ICE et les moteurs sur moyeu contribuent à la rotation de la roue. La transmission peut également se trouver en mode normal lorsque les moteurs sur moyeu ne sont pas alimentés, et en mode électrique lorsque l'ICE est arrêté.

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