US Patent 9676267 Drive apparatus for a vehicle

A drive apparatus for a vehicle includes an engine output system that outputs power from an engine and a power transmission system that transmits the power from the engine output system to a driving wheel. A power transmission path including a chain mechanism and a one-way clutch is provided between an oil pump and a turbine shaft that is part of the engine output system. Another power transmission path including a corresponding chain mechanism and a corresponding one-way clutch is provided between the oil pump and a primary shaft that is part of the power transmission system.