Fluid flow path control unit for vehicle drive system

A fluid flow path control unit for a vehicle drive system, the vehicle drive system including:

• a motor that generates driving force to drive a vehicle;
• a hydraulic connection/disconnection unit that is provided on a power transmission line defined between the motor and a wheel that connects and disconnects the transmission of power therebetween;
• and
• a fluid supplied portion that is at least one of the motor and the power transmission line and to which fluid that is used for cooling or lubrication is supplied, the fluid flow path control unit including:
• a fluid supply unit that supplies fluid to the hydraulic connection/disconnection unit and the fluid supplied portion;
• and
• a flow path selector valve that is disposed on a fluid flow path that establishes a communication between the fluid supply unit and the fluid supplied portion or is disposed so as to straddle between a hydraulic path that establishes a communication between the fluid supply unit and the hydraulic connection/disconnection unit and the fluid flow path,
• wherein the flow path selector valve includes
• a valve element that is switchable between a first operating position and a second operating position,
• a restoration member that biases the valve element from the second operating position toward the first operating position and
• a fluid chamber that accommodates fluid for biasing the valve element from the first operating position toward the second operating position,
• wherein the fluid chamber communicates with the fluid supply unit when the valve element is in the first and second operating positions, and
• wherein the fluid flow path has a flow path resistance which differs between when the valve element is in the first operating position and when the valve element is in the second operating position.