81results about "Measurement device" patented technology

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.

An HEV mode and a BEV mode is a hybrid electric vehicle capable of traveling, comprising: a radiator; an air conditioner including a condenser and a pressure sensor for performing air conditioning in a room; a cooling fan that operates in response to the rotation of the engine to blow cooling air to the radiator and the condenser; and a control unit that controls the operation of the engine and the air conditioner, wherein the control unit reduces the amount of heat dissipation of the condenser when the high pressure of the cooler detected by the pressure sensor during traveling in BEV mode becomes equal to or higher than the first pressure.

This invention relates to and provides a vehicle in which multiple heat exchangers are mounted in the engine compartment, allowing for optimal distribution of driving air (cooling air) according to conditions. One aspect of the vehicle includes: a first heat exchanger disposed in the engine compartment for cooling the engine; a second heat exchanger disposed in the engine compartment for recovering exhaust heat from the engine; a louver component for opening and closing a grille opening located at the front of the engine compartment; a first detector for detecting feedforward parameters indicating a potential increase in load on either the first or second heat exchanger; a second detector for detecting feedback parameters indicating an increase in load on either the first or second heat exchanger; and a control device for controlling the opening and closing of the louver component, which, based on the feedforward and feedback parameters, adjusts the opening of the louver component to direct driving air through the grille opening to either the first or second heat exchanger.

The invention relates to a fan control system and method for a vehicle. A fan control system for a vehicle may include: a vehicle speed sensor for sensing a vehicle speed; the engine cooling liquid temperature sensor is used for sensing the temperature of engine cooling liquid; the fan is arranged adjacent to the engine coolant radiator and is used for providing flowing air for the engine coolant radiator; and a controller configured to determine whether the vehicle is in an idle state based on a vehicle speed sensed by the vehicle speed sensor, determine whether a temperature of the cooling liquid is in a first temperature range based on a temperature of the cooling liquid sensed by the engine cooling liquid temperature sensor when the vehicle is in the idle state and the fan is not operating, and control the engine cooling liquid when the vehicle is in the idle state and the fan is not operating. And when the temperature of the cooling liquid is within the first temperature range, whether a fan forced operation condition is met or not is determined, and when the fan forced operation condition is met, the fan is made to operate for first preset time.

Present disclosure relates to a computer system (700) comprising processing circuitry (702) configured to: obtain temperature data (T) comprising a temperature (T1, T2, T3) at a first input port (131), a second input port (132) and an output port (133) connected to the first and second input port (131, 132) of a liquid cooling system (100), obtain flow distribution data comprising a flow distribution value indicative of the flow from the first and second input port (131, 132) at the output port (133), determine an expected temperature (TE1, TE2, TE3) at the first input port (131), the second input port (132) and the output port (133) based on the flow distribution value and the temperature data (T), determine an expected flow distribution based on the temperature data (T), and provide control data for control of the liquid cooling system (100).

An engine includes pistons, cylinders, at least one fuel injector, spark plugs, and piston cooling jets. The engine includes an Electronic Control Unit configured to receive an engine oil temperature, current coolant temperature, current spark value, calibrated spark value, current engine speed, and current engine torque. The Electronic Control Unit is configured to determine a non-firing piston temperature, coolant temperature and combustion phase modifier, and firing piston temperature. The Electronic Control Unit outputs a predicted piston temperature. A method includes housing pistons in cylinders, supplying air, injecting fuel, combusting an air-fuel mixture, spraying engine oil, and receiving an engine oil temperature, current coolant temperature, current spark value, calibrated spark value, current engine speed, and current engine torque. The method includes determining a non-firing piston temperature, coolant temperature modifier, combustion phase modifier, firing piston temperature, outputting a predicted piston temperature, and coordinating operations of the fuel injectors and spark plugs.

A method and control arrangement for controlling operation of a fan in a cooling system of a vehicle, wherein operation of the fan is controlled based on a temperature of a coolant in the coolant system meeting a set-temperature of the coolant. The method comprises monitoring an engine oil temperature of an engine of the vehicle during a plurality of driving cycles with the vehicle; and adjusting the set-temperature of the coolant based on a measure indicative of a plurality of maximum temperatures of the engine oil during the plurality of driving cycles.

A generator system comprising a generator and an engine positioned within an enclosure, the engine having an engine coolant system and an air intake; a fan positioned to force air through the heater core; a low temperature fluid circuit comprising a heater core positioned within the enclosure, a first coolant heater in fluid communication with the heater core, and a first pump in fluid communication with the first coolant heater and configured to pump heated coolant from the first coolant heater to the heater core; and a high temperature fluid circuit comprising a radiator, second coolant heater, and a second pump in fluid communication with the second coolant heater and configured to pump heated coolant from the second coolant heater through the high temperature fluid circuit, wherein the low temperature fluid circuit and the high temperature fluid circuit are each in fluid communication with the coolant system of the engine.

An engine (11) includes pistons (71), cylinders, at least one fuel injector (61), spark plugs (239), and piston cooling jets (91). The engine (11) includes an Electronic Control Unit (232) configured to receive an engine oil temperature, current coolant temperature, current spark value, calibrated spark value, current engine speed, and current engine torque. The Electronic Control Unit (232) is configured to determine a non-firing piston temperature, coolant temperature and combustion phase modifier, and firing piston temperature. The Electronic Control Unit (232) outputs a predicted piston temperature. A method includes housing pistons (71) in cylinders, supplying air, injecting fuel, combusting an air-fuel mixture, spraying engine oil, and receiving an engine oil temperature, current coolant temperature, current spark value, calibrated spark value, current engine speed, and current engine torque. The method includes determining a non-firing piston temperature, coolant temperature modifier, combustion phase modifier, firing piston temperature, outputting a predicted piston temperature, and coordinating operations of the fuel injectors (61) and spark plugs (239).

A vehicle cooling system includes a heat exchanger, upper and lower coolant hoses extending between the heat exchanger and a vehicle power system for carrying liquid coolant to and from the vehicle power system, and an expansion tank fluidly coupled to the lower coolant hose. The vehicle cooling system further includes an active coolant monitoring system that includes a coolant leak sensor that detects leakage of the liquid coolant from the vehicle cooling system and a coolant contamination sensor that detects contamination of the of liquid coolant. The vehicle cooling system further includes an electronically controllable coolant flow shutoff valve in series with the lower coolant hose adjacent a lower coolant outlet of the heat exchanger. The electronically controllable coolant flow shutoff valve is closed when the coolant pump is off and open when the coolant pump is on.

Method for detecting boiling of a coolant in a cooling system (1) of a motor vehicle, wherein pressure fluctuations of the coolant are determined by means of a pressure sensor (35) and such pressure fluctuations, which are defined as characteristic of a breakup of boiling bubbles, are evaluated as boiling of the coolant, characterized by the use of a pressure sensor (35) which is assigned to a cooling channel (10) of a cylinder housing (3) of an internal combustion engine (2) integrated into the cooling system (1), wherein at least temporarily a flow through the cooling channel (10) is prevented, wherein when a boiling hazard has been detected, a flow through the cooling channel (10) is permitted.

Disclosed is a vehicle thermal management system capable of reducing power consumption of an electric compressor, capable of simplifying a circuit, and capable of reducing weight and cost by reducing the number of heat exchangers and refrigerant valves. The vehicle thermal management system is provided with: a heating heat exchanger that exchanges heat with air in an air conditioning case to heat the air; a cooling heat exchanger that exchanges heat with the air in the air conditioning case to cool the air; a refrigerant circuit that circulates a compressor, a condenser, an expansion valve, and a cooler; a first cooling water circuit that passes through the heating heat exchanger and exchanges heat with the condenser of the refrigerant circuit; a second cooling water circuit that passes through the cooling heat exchanger and exchanges heat with the cooler of the refrigerant circuit; a radiator that exchanges heat between cooling water and outdoor air; a third cooling water circuit that passes through the radiator and exchanges heat with a battery of the vehicle; and a mixing tank configured to mix the cooling water of the first cooling water circuit, the second cooling water circuit, and the third cooling water circuit.

A control device of a vehicle and a method of estimating a temperature of a component of an internal combustion engine. The control device of the vehicle executes: a base temperature calculating process of calculating a base temperature of a component of an internal combustion engine; a correction value calculating process of calculating a correction value; a queue reflecting process of causing the correction value to reflect a tendency that the component is less likely to be cooled in a case where the temperature-estimating vehicle, in which the component whose temperature is estimated is mounted, is one of a plurality of vehicles constituting a queue than in a case where the temperature-estimating vehicle is a following vehicle; a last reflecting process of causing the correction value to reflect a tendency that the component is more likely to be cooled in a case where the temperature-estimating vehicle is a last vehicle than in a case where the temperature-estimating vehicle is not the last vehicle; and a component temperature estimating process of correcting the base temperature using the correction value.

A cooling system for an internal combustion engine is equipped with an air conditioner having a heat exchanger, a first passage connected to the heat exchanger and supplies cooling water of the engine to the heat exchanger, a second passage connected to a cooling apparatus for oil which fills a speed change mechanism connected to the engine or for oil which fills the engine and which supplies the cooling water to the cooling apparatus, a flow control valve configured to control the flow rate of the cooling water to the first passage and the second passage, and a controller configured to control the engine and the flow control valve. When the temperature of the oil is higher than the temperature of the cooling water, the controller performs a first control which controls the flow control valve to a position in which the first passage and the second passage are open.

Snow groomer with a propulsion system in which an endothermic engine is accommodated in an engine compartment adjacent to the cabin and provided with a liquid cooling system provided with a radiator coupled to a fan configured to suck an air flow into the engine compartment. An electronic control unit controls the on / off cycle of the fan based on a signal TWater that is a function of the measured temperature of the cooling liquid in the radiator and a reference signal TWater_ref representing a target temperature. The control unit processes a further control signal Tc relating to the amount of the heat flow from the engine to the cabin and compares the control signal Tc with a reference signal Tcref to control the start-up of the fan to generate the intake of air at room temperature into the engine compartment and the expulsion of hot air from the engine compartment.

Systems and methods for regulating an outlet coolant temperature of a genset and an inlet coolant temperature of the genset are provided. A load condition of the genset may be determined. An operating mode can be selected from between a first mode associated with a first load condition and a second mode associated with a second load condition responsive to determining the load condition of the genset. The first mode and the second mode may be configured to determine a target inlet coolant temperature using one or more control loops. The target inlet coolant temperature may be determined using the selected operating mode, a target outlet coolant temperature and the outlet coolant temperature. The outlet coolant temperature may be regulated based on the determined target inlet coolant temperature and the inlet coolant temperature by adjusting an operation of one or more coolant valves.

The application discloses an automatic adjusting system and method for working pressure of an automobile cooling system, which comprises a target working pressure calculating module, a target working pressure comparing module and a working pressure adjusting module; the target working pressure calculating module is used for calculating the target working pressure of the cooling system under different use environment conditions and different air conditioner running states; the target working pressure comparing module is used for comparing the target working pressure of the cooling system under different use environment conditions and different air conditioner running states in a time cycle period containing all use environment conditions and all air conditioner running states, and determining the maximum value and the minimum value of the target working pressure of the cooling system; and the working pressure adjusting module is used for measuring the actual working pressure of the cooling system, comparing the actual working pressure of the cooling system with the maximum value and the minimum value of the target working pressure of the cooling system, and controlling the working of the pressure adjusting device of the cooling system. The cooling system can keep a reasonable working pressure.

A vehicle thermal management system includes a first coolant loop that passes through a battery and a first valve. A second coolant loop passes through a heater, a cabin, and a second valve. A first connecting path connects the first valve and a second point of the second coolant loop. A second connecting path connects the second valve and a first point of the first coolant loop. The first valve selectively allows coolant to circulate through the first coolant loop or flow to the second point 280 through the first connecting path. The second valve selectively allows coolant to circulate through the second coolant loop or flow to the first point 180 through the second connecting path. A second cooling unit cools the cabin. The first coolant loop additionally passes through a first cooling unit.

An object of this invention is to efficiently warm up a catalyst and keep its temperature. Provided is a drive system, including: an internal combustion engine; a catalytic unit configured to purify an exhaust gas from the internal combustion engine; a motor used for at least one of drive or regeneration; and a flow path formed so as to allow an oil-based medium for lubricating the motor to flow in the vicinity of the catalytic unit. The oil-based medium is heated in the motor and exchanges heat in the catalytic unit to heat the catalytic unit.

The invention relates to a cooling circuit (1) and to a method for cooling a drive motor (2) of a vehicle, comprising a coolant pump and a mechanical system pressure control unit (3) which is configured to restore an operating pressure of a coolant circulating in the cooling circuit (1) by introducing pressure from an exhaust gas turbocharger, in particular downstream of a charge air cooler (5), or from a compressed air circuit or a pressure accumulator, in which pressure is generated by an air compressor, after the cooling circuit (1) has been opened, wherein the system pressure control unit (3) comprises the following: a pressure controller (7) which is configured to limit a refilling pressure to a defined target pressure; a throttle (8) which is arranged in an inflow line (10); a check valve (9) for preventing the return flow of pressure from the cooling circuit (1); a thermostatic valve (11), wherein the thermostatic valve (11) is configured to enable the pressure control starting from a predefined coolant temperature, wherein a feed of the compressed air into the cooling circuit (1) is provided into a region that is not or barely influenced by a delivery head of the coolant pump, in particular on a suction side of the coolant pump, into a venting line or into a filling line of the compensation container (4).

In a water outlet, the deterioration of sealing performance is prevented by a sealing member sealing between a pipe and the connecting port of the water outlet. A water outlet is provided at a coolant outlet of an internal combustion engine to which a pipe leading coolant out of the engine is connected, having a dish-shaped body fixed to the engine, a cylindrical connecting port provided to rise outward from the body portion and to be inserted into the inside of the pipe, and a sealing member on the outer circumference of the connecting port. A convex portion is provided on the outer circumferential side of the connecting port to rise outward from the body, and an annular sealing member is provided between the connecting port and the pipe, and at least a circumferential portion of the pipe is disposed between the convex portion and the connecting port.

Disclosed is an engine cooling system, which includes: a water temperature controller assembly (WTCA) coupled to an engine of a vehicle to control a flow of a coolant discharged from the engine; and a first temperature sensor. The first temperature sensor may be configured to: measure one or more temperatures of the coolant discharged from the engine; and generate one or more signals indicating the one or more measured temperatures of the coolant. The engine cooling system may further include a processor configured to: receive the one or more signals; determine a highest coolant temperature measured during a first time period; determine, based on the highest coolant temperature measured during the first time period, whether an amount of the coolant is below a threshold coolant level; and send, based on a determination that the amount of the coolant is below the threshold coolant level, a signal to the vehicle.

A control system (30) and method for controlling a cooling system (1) of a marine vessel are disclosed. The cooling system comprises a circulation circuit (10) wherein a cooling fluid is circulated by a pump (130), and a heat exchanger (110) for cooling a heat generating element. Temperature sensing means (1521) and flow monitoring means are provided downstream of the heat exchanger for monitoring an outlet temperature, Tout, and a flow, F, exiting the heat exchanger. A flow regulating valve (150) is arranged downstream of the heat exchanger. The control system compares a maximum allowable temperature Tmax and a minimum required flow, Freq, with Tout and F, respectively, and will increase the flow of cooling fluid through the heat exchanger if Tout > Tmax, and reduce the flow if Tout < Tmax, while at the same time keeping F ≥ Freq.

A device (1) for exchanging vehicle fluids (111, 121), comprising - a first fluid port (10) to connect to a first assembly (110) of a vehicle (100), the first assembly (110) containing a first vehicle fluid (111), - a second fluid port (20) to connect to a second assembly (120) of the vehicle (100), the second assembly (120) containing a second vehicle fluid (121), - a first fluid control arrangement (12) configured to selectively permit fluid flow from the first assembly (110) to the first fluid port (10) and to selectively permit fluid flow from the first fluid port (10) to the first assembly (110), and - a second fluid control arrangement (22) configured to selectively permit fluid flow from the second assembly (120) to the second fluid port (20) and to selectively permit fluid flow from the second fluid port (20) to the second assembly (120).

Methods and systems are provided for cooling an engine by operating an electrically driven air intake compressor. In one example, in response to determining, based on a measured or inferred engine temperature, that the engine temperature is greater than a threshold temperature, an electrically driven air intake compressor of the vehicle is employed to direct air through a charge air cooler and engine cylinders while the engine is rotating without fueling. In this way, the engine temperature can be reduced even in conditions that would not normally be suitable for engine cooling, such as at idle-stop or when the engine coolant system is degraded.

The present invention relates to a cooling loop (100, 200, 300, 400), in particular for a motor vehicle, the loop being configured to allow a heat exchange between a cooling liquid and a liquid to be cooled. According to the invention, the cooling loop (100, 200, 300, 400) comprises an on-board sensor which is positioned at least partially in contact with the cooling liquid, the sensor being configured to supply at least one datum relating to at least one physical property and / or chemical property of the cooling liquid.

A hydraulic system of a construction machine according to one embodiment includes: an electric motor that is supplied with electric power from a battery; a hydraulic pump that is driven by the electric motor; and a circulation pump that circulates cooling water through a circulation passage that extends through the battery and a radiator. The hydraulic system further includes: a heat exchanger that is connected to the circulation passage in parallel with the radiator; a first switching valve that switches whether or not to supply hydraulic oil that has been delivered from the hydraulic pump to the heat exchanger; and a second switching valve that switches whether to supply the cooling water that has passed through the battery to the radiator or to the heat exchanger.

To reduce an amount of heat radiation from a capacitor during EV travel and to continue the EV travel, in a hybrid vehicle including an engine-driven cooling fan.SOLUTION: A hybrid vehicle 100 capable of traveling in an HV mode and an EV mode includes: a radiator 16; an air conditioning device 200 including a capacitor 42 and a pressure sensor 55 and configured to perform air conditioning in a room; a cooling fan 17 configured to operate according to rotation of an engine 11 and to blow cooling air to the radiator 16 and the capacitor 42; and a control unit 80 configured to control an operation of the engine 11 and the air conditioning device 200. The control unit 80 reduces an amount of heat radiation from the capacitor 42 when a cooler high-pressure detected by the pressure sensor 55 during traveling in the EV mode becomes equal to or higher than a first pressure PS1.SELECTED DRAWING: Figure 1