Patent ID: 6464028
Filing Date: 2002-10-15
Classification: B60H,B60K,B60W,Y02T,Y10S

Abstract:
A vehicle-drive system which transfers torque from an internal-combustion engine to a transmission through a main clutch, said vehicle-drive system comprising:a dynamo-electric-machine mechanism operationally engaged to an input shaft of the transmission through an assistant clutch; and accessories operationally engaged to the dynamo-electric-machine mechanism, wherein the assistant clutch is operable to allow torque transfer directly between the engine and the transmission, the dynamo-electric-machine mechanism is capable of driving the accessories with the assistant clutch disconnected when the internal-combustion engine and the vehicle stop operating, the dynamo-electric-machine mechanism is capable of driving the internal-combustion engine through the main clutch and the assistant clutch when the internal-combustion engine is started, wherein with the main clutch disconnected and the assistant clutch connected, the dynamo-electric machine mechanism is capable of recovering inertial power from the vehicle when the vehicle is braked, and with the main clutch and the assistant clutch both connected, the accessories are driven by the internal-combustion engine when the internal-combustion engine is operated, and the accessories are connected to the dynamo-electric-machine mechanism, the accessories recovering inertial power of the vehicle through the assistant clutch with the main clutch disconnected and the accessories being driven by the internal-combustion engine through both the clutches when the internal-combustion engine is operated.