US Patent 11390141 Heat pump system for vehicle

A heat pump system may include a cooling apparatus of circulating a coolant in a coolant line to cool at least one electrical component provided in the coolant line; a battery cooling apparatus of circulating the coolant to the battery module; a chiller for heat exchanging the coolant with a refrigerant to control a temperature of the coolant; a heating apparatus that heats an interior of the vehicle using the coolant; a branch line; a chiller connection line connecting the chiller and the first valve; and wherein the reservoir tank is provided in the coolant line between the radiator and the first valve, and is connected to the coolant line connecting the first valve and the first water pump through the supply line, and wherein a condenser included in the air conditioner is connected to the heating line to pass the coolant circulating through the heating apparatus.