US Patent 10974566 Heat pump system for vehicle

A heat pump system for a vehicle is configured to heart or cool a battery module according to a mode of the vehicle by use of one chiller in which a coolant and a refrigerant exchange heat in an electric vehicle, facilitating simplification of a system, and heat of outside air, and waste heat of a motor, an electrical component, and a battery module are selectively used in a heating mode of the vehicle, enhancing heating efficiency.