Electric drive for a vehicle

H - Electricity – 02 – K

Patent

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Details

H02K 7/116 (2006.01) B60K 17/04 (2006.01) B60K 17/16 (2006.01) H02K 16/02 (2006.01) H02K 23/60 (2006.01)

Patent

CA 2398181

The invention relates to an electric drive for a vehicle. A housing (1) that is stationary in relation to the vehicle frame is provided. A motor housing (5) having a stator (4) and a rotor (7) being provided in said motor housing (5) are rotationally mounted in said housing. The motor housing (5) and the rotor (7) perform opposite rotational movements. A drive train (2) is connected to the motor housing (5) and the rotational movement of the motor housing (5) is carried out by means of a transmission device with the same drive and output direction of rotation. The remaining drive train is connected to the rotor (7) and the rotational movement of the rotor (7) is carried out by means of a transmission device with opposite drive and output direction of rotation. The transmission devices are planetary gears. The rotor (7) engages with the planet wheels (13 or 16) of the allocated planetary gear by means of a spur pinion (10) that is arranged on the shaft (6) or the motor housing (5) engages with the planet wheels (13 or 16) of the allocated planetary gear by means of a spur pinion (9) that is connected to the motor housing (5) and is arranged on the axis of the motor housing. A web (14 or 17) is provided. Said web is connected to the axles of the planet wheels (13 or 16) of each planetary gear and drives the wheel shaft assigned thereto.

L'invention concerne un dispositif d'entraînement électrique pour un véhicule, qui comprend un corps (1) solidaire du châssis de véhicule, dans lequel sont montés, chacun de façon à pouvoir tourner, une carcasse de moteur (5) comportant un stator (4), et un rotor (7). La carcasse de moteur (5) et le rotor (7) exécutent des rotations dans des sens opposés. Un ensemble d'entraînement (2) est relié à la carcasse de moteur (5) et sa rotation se fait par l'intermédiaire d'un engrenage dont le sens de rotation d'entrée et le sens de rotation de sortie sont les mêmes. L'autre ensemble d'entraînement est relié au rotor (7) et la rotation du rotor (7) se fait par l'intermédiaire d'un engrenage dont le sens de rotation d'entrée et le sens de rotation de sortie sont opposés. Les engrenages sont des engrenages planétaires. Le rotor (7) et la carcasse de moteur (5) sont, respectivement, par l'intermédiaire d'une roue cylindrique (10) montée sur l'arbre (6) et d'une roue cylindrique (9) reliée à la carcasse de moteur (5) et placée sur l'axe de celui-ci, en prise avec les roues planétaires (13 ou 16) de l'engrenage planétaire correspondant. Un élément d'entraînement (14 ou 17) relié aux axes des roues planétaires (13 ou 16) de chaque engrenage planétaire entraîne l'arbre de roue qui lui est associé.

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