Patent ID: 9108498
Filing Date: 2015-08-18
Classification: B60K,Y02T

Abstract:
1. A drive system in a vehicle, the drive system comprising: a prime mover; a starting device connected to the prime mover; a transmission having a transmission input shaft connected to the starting device; a pump/motor connected between the starting device and the transmission; a first clutch connected between the pump/motor and the starting device for selectively coupling the starting device to the pump/motor; a second clutch connected between the pump/motor and the transmission input shaft for selectively coupling the pump/motor to the transmission input shaft; a first accumulator in fluid communication with the motor/pump for storing a hydraulic fluid under pressure; and a second accumulator in fluid communication with the pump/motor, and wherein discharge of the first accumulator drives the pump/motor to provide a drive torque to the transmission input shaft and to provide a drive torque to the prime mover for starting the prime mover.