A vehicle thermal management system includes an Integrated Thermal Management Valve (ITM) for receiving coolant through a coolant inlet connected to an engine coolant outlet of an engine, and for distributing the coolant flowing out toward a radiator through a coolant outlet flow path connected to a heat exchange system. The heat exchange system includes at least one among a heater core, an oil warmer, and an Auto Transmission Fluid (ATF) warmer and the radiator. The vehicle thermal management system includes: a water pump positioned at the front end of an engine coolant inlet of the engine; a coolant branch flow path branched from the front end of the engine coolant inlet to be connected to an Exhaust Gas Recirculation (EGR) cooler together with the coolant outlet flow path; and a Smart Single Valve (SSV) for adjusting a coolant flow in a coolant outlet flow path direction and an EGR cooler flow path direction on the coolant branch flow path.

An apparatus for controlling a vehicle includes a valve that introduces or blocks a coolant discharged from a coolant pump into latent heat storage, a first temperature sensor that measures a first coolant temperature discharged from the coolant pump, a second temperature sensor that measures a second coolant temperature in the latent heat storage, and a controller that controls opening and closing of the valve based on the first coolant temperature measured by the first temperature sensor and the second coolant temperature measured by the second temperature sensor.

A system for diagnosing lack of coolant of a vehicle to which an integrated thermal management valve is applied according to the present disclosure includes an integrated thermal management valve including a plurality of valves which are openable and closable, and configured to selectively distribute coolant introduced from a head of an engine to front ends of a radiator, a heater, and an oil cooler, a coolant temperature sensor installed on each of a coolant inlet, a coolant outlet, and a block of the engine and configured to measure a temperature of the coolant, and a control unit configured to determine whether the coolant is insufficient by monitoring a decrease amount of a coolant temperature difference measured from the block and the coolant outlet, and finally determine whether the coolant is insufficient by accumulating an increase amount of a temperature difference between the coolant outlet and the coolant inlet.

A water jacket of an engine is capable of implementing cooling water flows as both a cross flow and a parallel flow. The water jacket includes a head water jacket formed in a cylinder head of an engine; a block water jacket formed in a cylinder block of the engine; and a variable partition wall which is configured to induce a cross flow of cooling water in a space between positions of cylinders in the head water jacket, where the variable partition wall has a shape configured to be varied according to an engine operating condition, and the variable partition wall allows the cooling water to flow in a selected one of the cross flow and a parallel flow according to the shape which is varied in head water jacket.

An apparatus for controlling a vehicle includes a valve that introduces or blocks a coolant discharged from a coolant pump into latent heat storage, a first temperature sensor that measures a first coolant temperature discharged from the coolant pump, a second temperature sensor that measures a second coolant temperature in the latent heat storage, and a controller that controls opening and closing of the valve based on the first coolant temperature measured by the first temperature sensor and the second coolant temperature measured by the second temperature sensor.

The cooling device according to the present invention includes an electric water pump for circulating cooling water through an internal combustion engine of a vehicle, and controls the discharge flow rate of the electric water pump as follows. Until the cooling water temperature. TW reaches a warm-up completion determination temperature, the cooling device increases the discharge flow rate along with an increase of the cooling water temperature TW. After the cooling water temperature TW reaches the warm-up completion determination temperature, the cooling device controls the discharge flow rate so as to bring the combustion chamber wall temperature TCYL toward a target temperature. Thereby, the cooling device can warm up the internal combustion engine more efficiently, and improve the combustion performance of the internal combustion engine after the completion of warm-up.

A cooling apparatus of a vehicle of the invention comprises an engine cooling system, a device cooling system, and a connection apparatus configured to connect an engine circulation circuit of the engine cooling system and a device circulation circuit of the device cooling system to each other such that heat exchanging liquid cooled by a device radiator of the device cooling system, is supplied to an engine passage formed in an internal combustion engine without flowing through a device passage formed in the device including at least one of a motor of the vehicle, a battery for storing electric power to be supplied to the motor, and a power control unit for controlling a supply of the electric power from the battery to the motor.

Systems and methods are provided for determining a temperature of a thermal system that includes fluid conduits. A sensor monitors a current state of the temperature. A controller receives a signal from the sensor that is representative of the current state; determines a flow in the fluid conduits; determines a noise covariance of the thermal system; processes a thermal model of the thermal system; predicts a next-step state of the parameter at a time after the current state; and corrects the next-step state based, at least in-part, on the noise covariance resulting in a corrected next-step state.

A vehicle propulsion system includes an engine having a coolant inlet and a coolant outlet, a coolant pump having an outlet in communication with the engine coolant inlet, a pressure sensor in fluid communication with the engine coolant outlet and that generates a pressure signal indicative of a pressure in the engine coolant outlet, and a controller in communication with the pressure sensor and the coolant pump. The controller is programmed to control a flow of coolant through the engine from the coolant pump based upon the pressure signal.

A coolant control system for a vehicle, including: a coolant control valve including a radiator valve; an actuator connected to the coolant control valve; and a control unit. Upon shutdown of the vehicle: the control unit is arranged to generate a control signal based upon a prediction of an ambient temperature and transmit the control signal to the actuator; and the actuator is arranged to receive the control signal and rotate a portion of the radiator valve according to the control signal.