Hyundai Motor Company

Kia Corporation

WonGi Lee

Kyounghee Kim

Junghoon Park

Jongmin Kim

Woo Yong Lee

Jae Man Cho

A control valve includes: a valve housing; a coolant port formed in the valve housing and through which coolant inflows; an oil cooler port formed in the valve housing; a heater port formed in the valve housing; a radiator port formed in the valve housing; a bypass flow path through which the coolant port and the heater port communicate; and a ball valve, wherein the coolant port and the oil cooler port selectively communicate and the coolant port and the radiator port selectively communicate while the ball valve rotates inside the valve housing, wherein a valve inlet which communicates with the coolant port is formed in the ball valve, and a first section outlet, a second section outlet, and a third section outlet, which selectively communicate with the valve inlet are formed consecutively on an outer periphery of the ball valve.

Control valve and cooling system for a vehicle

A cooling system of a hybrid vehicle include an engine, a drive motor, a main water pump, a cooling line, a heat-exchange line, a heater line on which a heater and an exhaust heat recovery device are provided, a coolant control valve unit selectively supplying coolant to the cooling line, the heat-exchange line and the heater line, a bypass line connecting the rear of the exhaust heat recovery device and the front of the heater, an auxiliary water pump that selectively supplies coolant from the exhaust heat recovery device to the front of the heater, a state measurement unit that measures an operation state of the vehicle and outputs a corresponding signal, and a controller configured for controlling operation of the engine, the drive motor, the main water pump, the coolant control valve unit and the auxiliary water pump according to the output signal of the state measurement unit.

Cooling system of hybrid vehicle and control method for the same

Growing community of inventors

Hwaseong-si, South Korea

WonGi Lee