Patent ID: 9714653
Date: 2017-07-25
CPC Classifications: F04B

Claim:
1. An electric vehicle comprising: a motor configured to be able to regenerate electric power from kinetic energy of the vehicle; an inverter configured to supply electric power to the motor; a main battery; a main relay positioned between the inverter and the main battery, the main relay is switchable between a closed position and an open position, in the closed position the main relay connects the inverter to the main battery, in the open position the main relay disconnects the inverter from the main battery; an ignition switch positionable in an OFF position and an ON position, in the OFF position the main relay is open, in the ON position the main relay is closed; a pump configured to deliver refrigerant to at least one of the motor and the inverter; and a controller configured to control the pump, the controller configured to activate the pump when the ignition switch of the vehicle is in the OFF position and the vehicle is travelling, the controller configured to stop the pump when the ignition switch of the vehicle is in the OFF position and the vehicle is stopped, and the controller configured to increase a pump output when the ignition switch of the vehicle is in the OFF position compared to a pump output when the ignition switch of the vehicle is in the ON position while traveling.