Patent ID: 9676267
Date: 2017-06-13
CPC Classifications: B60K,F16H,Y02T

Claim:
1. A drive apparatus for a vehicle provided with an engine output system that connects an engine and a clutch mechanism, and a power transmission system that connects the clutch mechanism and a driving wheel, the drive apparatus comprising: an oil pump that supplies a hydraulic oil to a transmission mechanism of the power transmission system; a first power transmission path that is provided between the engine output system and a first end side of the oil pump, the first power transmission path connecting the engine output system to the first end side of the oil pump in a first gear ratio; a first one-way clutch that is provided in the first power transmission path, the first one-way clutch transmitting a power from the engine output system to the oil pump while cutting off the power from the oil pump to the engine output system; a second power transmission path that is provided between the power transmission system and a second end side of the oil pump, the second power transmission path connecting the power transmission system to the second end side of the oil pump in a second gear ratio; a second one-way clutch that is provided in the second power transmission path, the second one-way clutch transmitting the power from the power transmission system to the oil pump while cutting off the power from the oil pump to the power transmission system, a first drive shaft connected between the first one-way clutch and the first end side of the oil pump; a second drive shaft connected between the second one-way clutch and the second end side of the oil pump, a motor generator connected to an end of the primary shaft; a first drive sprocket of the first power transmission path drivingly connected to the turbine shaft; a second drive sprocket of the second power transmission path drivingly connected to the primary shaft; a primary pulley provided on the primary shaft between the second drive sprocket and the motor generator; and a forward/backward switching mechanism provided between the first drive sprocket and the second drive sprocket, wherein the turbine shaft extends collinearly with the primary shaft such that the torque converter, the first drive sprocket, the forward/backward switching mechanism, the second drive sprocket, and the primary pulley are sequentially arranged between the engine and motor generator along a direction of an extension of the turbine shaft and the primary shaft.