Patent ID: 6749532
Filing Date: 2004-06-15
Classification: B60K,H02K,Y02T

Abstract:
An electric drive for a vehicle, comprising:a housing that is stationary in relation to a vehicle chassis or frame; a motor housing arranged in the housing; a stator and a rotor arranged in the motor housing; the rotor and the stator being rotatably mounted; the motor housing and the rotor being capable of rotating in opposite directions; a first drive train connected to one of the rotor and the motor housing; a first transmission device connecting one of the rotor and the motor housing to the first drive train whereby the first drive train produces a first output rotation; a second drive train connected to another of the rotor and the motor housing; a second transmission device connecting said another of the rotor and the motor housing to the second drive train whereby the second drive train produces a second output rotation; each of the first and second transmission devices comprising planet wheels; at least one of: the rotor comprising a shaft and a spur gear arranged on the shaft wherein the spur gear causes rotation of the planet wheels of either of the first and second transmission devices; and the motor housing connected to a spur gear wherein the spur gear engages with the planet wheels of either of the first and second transmission devices; a first web directly connected to axles of the planet wheels of the first transmission device; and a second web connected to axles of the planet wheels of the second transmission device, wherein the first and second webs drive the first and the second drive trains.