Abstract: A flow control valve apparatus is provided in which a main valve adjusts the flow rate of cooling water by operating a plurality of ports and a sub-valve that operates with the main valve adjusts the flow rates of the cooling water circulating through a cylinder block and a cylinder head. The flow rate of the cooling water is variously adjusted based on the operation conditions of a vehicle.

Abstract: A vehicle thermal management system is provided that includes an integrated thermal management (ITM) valve having a coolant outlet flow path that is connected to each of heat exchangers, which include one or more among a coolant inlet connected to an engine coolant outlet of an engine and into which coolant flows, a heater core, an EGR cooler, an oil warmer, and an ATF warmer, and a radiator and through which the coolant is distributed. A water pump is disposed at the front end of an engine coolant inlet of the engine and a coolant branch flow path is branched at the front end of the engine coolant inlet to be connected to any one of the heat exchangers.

Abstract: A vehicle thermal management system is provided that includes an integrated thermal management (ITM) valve having a coolant outlet flow path that is connected to each of heat exchangers, which include one or more among a coolant inlet connected to an engine coolant outlet of an engine and into which coolant flows, a heater core, an EGR cooler, an oil warmer, and an ATF warmer, and a radiator and through which the coolant is distributed. A water pump is disposed at the front end of an engine coolant inlet of the engine and a coolant branch flow path is branched at the front end of the engine coolant inlet to be connected to any one of the heat exchangers.

Abstract: An integrated flow control valve apparatus for controlling a flow rate of coolant in an engine cooling system for cooling an engine including a cylinder block and a cylinder head mounted above the cylinder block, includes a valve housing; a plurality of coolant ports formed at the valve housing and provided as inlets and outlets through which the coolant flows into and out of the valve housing; and valves configured for opening and closing the coolant ports, wherein the coolant ports include a first inlet port for introduction of the coolant from the cylinder block and a second inlet port for introduction of the coolant from the cylinder head into the valve housing; and the flow of the coolant at the first and second inlet ports is controlled by the valves configured to vary the flow of the coolant in the cylinder block and the cylinder head.

Abstract: An apparatus for controlling oil pump pressure includes a sensor for sensing knocking of an engine, an oil pump configured to determine a pressure for discharging engine oil toward a piston of the engine, and a control unit configured to control the pressure of the engine oil discharged toward the piston by determining whether the knocking occurs based on a parameter transmitted from the sensor for determining whether the knocking occurs, and by controlling the oil pump based on whether the knocking occurs in the engine.

Abstract: A method of controlling an oil pump of a vehicle includes: acquiring, by a controller, information on an engine operating state or a driving condition detected by a driving information detection part; determining, by the controller, whether a predetermined condition of an alternate mode is satisfied on the basis of the acquired information on the engine operating state or the driving condition; and, when the condition of the alternate mode is satisfied, sequentially performing, by the controller, a high-pressure operation control that controls an operation of an oil pump system so as to an oil pressure of an engine to converge on a predetermined target high-pressure value and a low-pressure operation control that controls the oil pressure of the engine to converge on a predetermined target low-pressure value.

Abstract: An exhaust gas recirculation (EGR) control method applied with a humidity sensor for preventing condensation to prevent corrosion caused by exhaust gas in a vehicle, may include a first step of measuring a temperature, humidity, and atmospheric pressure of intake air which is introduced from the outside of the vehicle and flows into the EGR; a second step of determining a molar fraction of water vapor included in the intake air by a combustion equation of the water vapor and determining water vapor pressure in the EGR; and a third step of opening an EGR valve so that EGR gas flows when the water vapor pressure in the EGR is lower than saturated water vapor pressure in the EGR.

Abstract: A device for controlling a pressure of an oil pump in a vehicle is provided to. The device includes a sensor that detects an inclination of a vehicle and an oil pump that pumps oil in an oil pan to pressure transfer the oil to an engine of the vehicle. A controller determines an inclination value of the vehicle based on the information from the sensor and adjusts the operating mode of the oil pump to adjust the pressure of the oil supplied to the engine.

Abstract: An apparatus for controlling oil pump pressure includes a sensor for sensing knocking of an engine, an oil pump configured to determine a pressure for discharging engine oil toward a piston of the engine, and a control unit configured to control the pressure of the engine oil discharged toward the piston by determining whether the knocking occurs based on a parameter transmitted from the sensor for determining whether the knocking occurs, and by controlling the oil pump based on whether the knocking occurs in the engine.

Abstract: An integrated flow control valve apparatus configured to control a flow rate of coolant in an engine cooling system for cooling an engine may include a cylinder block and a cylinder head mounted above the cylinder block, the integrated flow control valve apparatus may include a valve housing; a plurality of coolant ports formed at the valve housing and provided as inlets and outlets through which the coolant flows into and out of the valve housing; and valves configured for opening and closing the coolant ports, wherein the coolant ports include a first inlet port for introduction of the coolant from the cylinder block and a second inlet port for introduction of the coolant from the cylinder head into the valve housing; and the flow of the coolant at the first and second inlet ports is controlled by the valves configured to vary the flow of the coolant in the cylinder block and the cylinder head.

Abstract: A method for cooling the engine for the vehicle applying the turbocharger may include comparing an average fuel consumption amount that determines, by a control unit, for controlling the operation of the engine and the circulation of the coolant, whether an average fuel consumption amount consumed in the engine immediately before the start-off of the engine is greater than a predetermined after-start-up cooling entrance average fuel consumption amount when the vehicle is started-off after a high load operation, and maximally cooling that controls, by the control unit, so that the coolant cooled in a radiator is circulated into the engine and the turbocharger by maximally opening a thermostat for controlling, and operating a water pump, when the average fuel consumption amount consumed in the engine immediately before a start-off of the engine is greater than the predetermined after-start-up cooling entrance average fuel consumption amount in the comparing the average fuel consumption amount.

Abstract: An engine structure includes a cylinder block, a cylinder liner, a block water jacket formed between the cylinder block and the cylinder liner, a block insert assembly inserted into the block water jacket, and an cylinder head. In particular, the block insert assembly includes: a first block insert and a second block insert, which are disposed between the cylinder liner and the cylinder block. One side end portion of the first block insert, which is adjacent to a block coolant inlet side, has a first flow resistor for sealing only a partial space of the space between the cylinder block and the cylinder liner, and one side end portion of the second block insert, which is adjacent to the block coolant inlet side, has a second flow resistor for sealing the entire space between the cylinder block and the cylinder liner.

Abstract: A flow control valve is arranged to simultaneously perform coolant flow control and variable split cooling, according to control of a path opening degree of the flow control valve. The flow control valve can perform four-port control for variably controlling four ports at once by operation of the flow control valve, and thus can implement variable temperature control for increasing a temperature of an engine, rapid warming-up of the engine, while performing split cooling at the same time.

Abstract: The present invention relates to a technology that can simultaneously control the flow rate of a coolant and perform variable separate cooling by controlling the opening rate of a flow control valve. The flow control valve has an inlet port connected to a coolant outlet of a cylinder block and a plurality of outlet ports connected to a cooling inlet port of an engine such that the opening rate of a first outlet port is symmetrically changed in a first direction and a second direction from a mid-operation angle of the entire operation section of the flow control valve.

Abstract: An exhaust gas recirculation (EGR) control method applied with a humidity sensor for preventing condensation to prevent corrosion caused by exhaust gas in a vehicle, may include a first step of measuring a temperature, humidity, and atmospheric pressure of intake air which is introduced from the outside of the vehicle and flows into the EGR; a second step of determining a molar fraction of water vapor included in the intake air by a combustion equation of the water vapor and determining water vapor pressure in the EGR; and a third step of opening an EGR valve so that EGR gas flows when the water vapor pressure in the EGR is lower than saturated water vapor pressure in the EGR.

Abstract: A method for cooling the engine for the vehicle applying the turbocharger may include comparing an average fuel consumption amount that determines, by a control unit, for controlling the operation of the engine and the circulation of the coolant, whether an average fuel consumption amount consumed in the engine immediately before the start-off of the engine is greater than a predetermined after-start-up cooling entrance average fuel consumption amount when the vehicle is started-off after a high load operation, and maximally cooling that controls, by the control unit, so that the coolant cooled in a radiator is circulated into the engine and the turbocharger by maximally opening a thermostat for controlling, and operating a water pump, when the average fuel consumption amount consumed in the engine immediately before a start-off of the engine is greater than the predetermined after-start-up cooling entrance average fuel consumption amount in the comparing the average fuel consumption amount.

Abstract: A cooling system for vehicles and a control method thereof improves indoor heating performance and fuel efficiency by controlling a flow rate of a coolant passing through a heater core together with an EGR cooler. A coolant having an increased temperature is first supplied to the heater core side through a flow stagnancy control to rapidly increase the temperature of the coolant flowing in the heater core, thereby improving heating performance. A warm-up feature is improved through an exhaust heat recovery function by a heat exchange between the exhaust gas and the coolant in the EGR cooler, thereby improving efficiency of fuel.

Abstract: An engine cooling system having an EGR cooler is disclosed. The system includes a cylinder head provided on a cylinder block, a coolant pump that pumps a coolant to a coolant inlet side of the cylinder block, an EGR cooler that is branched from a coolant line between the coolant pump and the cylinder block, and is provided in a circulation line through which a coolant is recirculated to an inlet of the coolant pump, and a coolant control valve unit that is provided in a coolant output side of the cylinder head to receive a coolant exhausted from the cylinder head and a coolant exhausted from the cylinder block and controls coolants distributed to coolant parts.

Abstract: A cooling system for vehicles and a control method thereof improves indoor heating performance and fuel efficiency by controlling a flow rate of a coolant passing through a heater core together with an EGR cooler. A coolant having an increased temperature is first supplied to the heater core side through a flow stagnancy control to rapidly increase the temperature of the coolant flowing in the heater core, thereby improving heating performance. A warm-up feature is improved through an exhaust heat recovery function by a heat exchange between the exhaust gas and the coolant in the EGR cooler, thereby improving efficiency of fuel.

Abstract: An engine cooling system having an EGR cooler is disclosed. The system includes a cylinder head provided on a cylinder block, a coolant pump that pumps a coolant to a coolant inlet side of the cylinder block, an EGR cooler that is branched from a coolant line between the coolant pump and the cylinder block, and is provided in a circulation line through which a coolant is recirculated to an inlet of the coolant pump, and a coolant control valve unit that is provided in a coolant output side of the cylinder head to receive a coolant exhausted from the cylinder head and a coolant exhausted from the cylinder block and controls coolants distributed to coolant parts.