Patent ID: 8545353
Filing Date: 2013-10-01
Classification: B60K,B60W,Y02T,Y10T

Abstract:
1. A motor drive system configuration for a hybrid vehicle, the motor drive system comprising: an engine operable for providing power to the vehicle; a first motor operable for providing power to a first wheel and a second wheel of the vehicle; a second motor operable for providing power to a third wheel and a fourth wheel; a first transmission mounted between the engine and the first motor and in operative engagement with the first motor and the engine; a first clutch for coupling and decoupling the first motor with the engine; a differential in operative engagement with the first transmission and coupled to the first wheel and the second wheel; a second transmission in operative engagement with the first motor and the differential; and a second clutch for coupling and decoupling the first motor with the differential; wherein the drive system is configured to operate in an operating mode wherein the first clutch is closed so that the engine can provide power to the first motor and the second clutch is open so that the first motor is decoupled with the differential and the first motor cannot provide power to the first wheel and the second wheel; and wherein in the operating mode power is provided to drive the vehicle by the second motor.