Hyundai Motor Company

Kia Motors Corporation

Kia Corporation

Hyo Jo Lee

Yonggyu Lee

Woo Yeol Jung

Tae Man Chung

Sang Phil Han

Seok Jun Yoon

Hyun Wook Ryu

Hogyoun Kang

Sungmoon Cho

Jin Do Lee

Hongyoun Kang

A coolant pump for a vehicle includes an impeller mounted at one side of a shaft and configured for pumping a coolant, a pulley mounted at the other side of the shaft and configured for receiving a torque, a pump housing including an inlet for allowing the coolant to flow in and an outlet for allowing the coolant to flow out, a shroud disposed within the pump housing for selectively closing or opening the outlet and an operation portion selectively moving the shroud.

Coolant pump, cooling system provided with the same for vehicle and control method for the same

A coolant flow control apparatus may include a coolant controller housing of which an inlet for coolant to flow in, an outlet for the coolant to flow out, a first coolant supply line and a second coolant supply line are formed, a water pump mounted to the coolant controller housing for transmitting the coolant, a valve plate selectively opening/closing the first coolant supply line, a valve piston selectively opening/closing the second coolant supply line, a driving unit selectively moving the valve plate and the valve piston for closing or opening the first coolant supply line and the second coolant supply line respectively and a controller configured for controlling an operation of the driving unit.

Coolant flow control apparatus, cooling system provided with the same and control method for the same

A coolant control valve unit for a vehicle is disclosed. The coolant control valve unit includes a cam having an upper surface to which a driving axle is connected and a lower surface having at least one sloped surface with a profile set in a rotation direction on the basis of the driving axle, a valve provided in a rod supported on one side of the sloped surface, an actuator rotating the driving axle to push the rod along the profile of the sloped surface of the cam to cause the valve to open and close a coolant passage, a cam cover supporting an upper surface of the cam, and an annular cam bearing interposed between the cam cover and the cam, excluding a central region in which the driving axle is formed.

Coolant control valve and cooling system having the same

A coolant pump for a vehicle includes an impeller mounted at one side of a shaft and configured to pump a coolant, a pulley mounted at the other side of the shaft and configured to receive torque, a pump housing including an inlet into which the coolant inflows and an outlet of which the coolant flows out, a slider disposed to be movable in a longitudinal direction of the shaft so as to selectively block or open the outlet and a driver configured to move the slider, where a passage which supplies the coolant to at least one heat exchange element is formed on the pump housing.

Coolant pump and cooling system for vehicle

A coolant pump for a vehicle may include an impeller mounted at one side of a shaft and pumping a coolant, a pulley mounted at the other side of the shaft and receiving a torque, a pump housing of which an outlet for the coolant to flow out therethrough is formed thereto, an inflow portion including a first inlet and a second inlet configured for receiving coolant, a slider of which a first closing portion selectively closing or opening the outlet and a second closing portion selectively closing or opening the second inlet are formed thereto, and the slider disposed slidable along longitudinal direction of the shaft and a driver moving the slider.

Coolant pump for vehicle, cooling system provided with the same and control method for the same

An electronic thermostat may include an internal housing including a partition defining a head chamber communicating with a cylinder head and a block chamber communicating with an engine block and the internal housing of which a head chamber hole and a block chamber hole are formed thereto, an external housing of which an outlet is formed thereto and the external housing covering the internal housing, a thermostat heater disposed to the partition, a first opening/closing portion including a first wax receiving heat from the thermostat heater and selectively closing or opening the head chamber hole and a second opening/closing portion including a second wax receiving heat from the thermostat heater and selectively closing or opening the block chamber hole.

Electronic thermostat, cooling system provided with the same and control method for the same

A coolant control valve unit is provided. The valve unit includes a valve that opens and closes a coolant path and a rod that is extended from one side of the valve. A cam is also provided which includes a track formed with a predetermined inclination and a predetermined height along a rotation direction with respect to a rotation axis. The track thus presses the rod according to the rotation of the cam which is rotated about the rotation axis by and an actuator.

Coolant control valve unit

A coolant control valve unit includes: a valve housing including an inlet through which coolant is supplied, first and second coolant chambers fluidly isolated from each other, first and second passages respectively communicating the inlet with the first and second coolant chambers, and first and second outlets respectively communicated with the first and second coolant chambers; first and second valves disposed respectively in the first and second passages to be movable in a predetermined direction and respectively closing or opening the first and second passages; a driving plate connected with the first and second valves respectively through first and second stems and simultaneously moving the first and second valves in the predetermined direction by a distance; and an actuator moving the driving plate in the predetermined direction to control opening or closing of the first and second passages.

Coolant control valve unit and engine cooling system having the same

A thermostat includes: a thermostat housing having an inlet and an outlet; an internal housing having a main valve hole and a fail-safe hole, wherein the internal housing is disposed within the thermostat housing and internal housing and has a main chamber communicating with the inlet of the thermostat housing; a wax housing disposed within the internal housing and having a first wax and a second wax; a first valve selectively opening or closing the main valve hole according to expansion or shrink of the first wax; and a second valve selectively opening or closing the fail-safe hole according to expansion or shrink of the second wax.

Thermostat and cooling system having the same

A coolant control valve unit for a vehicle engine is disclosed. The coolant control valve unit includes a rod at one side of which a valve opening and closing a coolant passage, a cap at which a rod groove into which one end of the rod is inserted is provided, a cap elastic member inserted inside the rod groove to elastically support one end of the rod outwardly, a cam with one surface of which a driving axle is connected and at the other surface of which at least one of pressing surface is provided in a rotational direction with respect to a rotational center portion, and a valve elastic member elastically supporting the valve to one side so that the cap contacts with the pressing surface.

A coolant control valve unit includes: a housing in which a coolant passage is formed; an elastic member supporting the valve unit elastically so that the coolant passage is closed by the valve unit; a holder supporting the elastic member; and a fixing portion that fixes the holder to the housing.

Coolant control valve unit having holder

The present disclosure relates to a separate cooling system of a vehicle, including an engine including a cylinder head and a cylinder block transmitting a coolant to the cylinder head, a coolant pump, a plurality of parts disposed on a plurality of coolant lines, an electronic thermostat mounted on the cylinder block so as to selectively transmit the coolant from the cylinder block to the plurality of coolant lines, a cooling coolant temperature sensor measuring a coolant temperature of the cylinder block, a controller controlling an operation of the electronic thermostat depending on a vehicle operation state output signal including the cooling coolant temperature sensor, and a mechanical thermostat disposed at an upstream of the coolant pump so as to selectively block the coolant via a radiator and a reservoir tank among the coolant transmitted from the plurality of coolant line to the coolant pump.

Separate cooling system for vehicle

A coolant control valve unit includes: a valve housing including a barrier rib where a coolant path and a fail-safe path are formed, the valve housing further including an exhaust path through which coolant exhausted through the coolant path passes; a valve disposed to open and close the coolant path; an actuator that opens or closes the coolant path by moving the valve; a flow guide extended from the barrier rib, of which an end is formed in a flow direction of the coolant in the exhaust path, and guiding a flow of coolant exhausted through the coolant path and a flow of coolant exhausted through the fail-safe path; and a fail-safe valve closing the fail-safe path by being inserted into the fail-safe path, while opening or closing the fail-safe path by a coolant temperature.

Coolant control valve unit, and cooling system having the same

A coolant pump for a vehicle may include an impeller mounted at one side of a shaft and pumping a coolant; a pulley mounted at the other side of the shaft and receiving a torque; a coolant pump housing including an inlet to which the coolant inflows and a discharge port formed in a vertical to the shaft; a slider disposed to be movable in a longitudinal direction of the shaft to selectively block or open the discharge port; and a driver moving the slider, wherein a fine passage that the coolant is expelled to the discharge port is formed at the slider.

Coolant pump and cooling system provided with the same for vehicle

A coolant control valve unit includes a wall including a passage disposed at a predetermined position from one surface to another surface, a valve disposed to be inserted into the passage and open and close the passage according to a movement position, and an actuator opening and closing the passage through the valve by pushing or pulling the valve by using a stem connected with the valve, wherein one side and another side of the wall are formed to have a height difference in a movement direction or in an opposite movement direction so that a portion of the passage is opened and a remaining part of the passage is closed by the valve when the valve moves along the passage.

Growing community of inventors

Suwon-si, South Korea

Hyo Jo Lee