Method to control and diagnose an exhaust gas heat exchanger

A method for controlling a vehicle having an engine with an exhaust heat recovery system, includes generating a signal to control exhaust gas flow through an exhaust gas heat exchanger, and generating a diagnostic code based on the signal and a rate of change of coolant temperature. A vehicle has an engine and an exhaust heat recovery system with an exhaust gas heat exchanger and a temperature sensor. A controller for the vehicle is configured to (i) generate a signal to control exhaust gas flow through the exhaust gas heat exchanger, and (ii) generate a diagnostic code based on the signal and a rate of change of coolant temperature.

CONTROLLING ENGINE COOLANT FLUID TEMPERATURE

Examples of techniques for controlling temperature of a coolant fluid at an inlet of an internal combustion engine are disclosed. In one example implementation, a method includes receiving, by a processing device, total fuel burned data indicating a total amount of fuel burned by the internal combustion engine. The method further includes receiving, by a processing device, engine speed data indicating an engine speed of the internal combustion engine. The method further includes calculating, by the processing device, a radiator flow rate to achieve a temperature set-point at an inlet of the engine based at least in part on the total fuel burned data and the engine speed data. The method further includes adjusting, by the processing device, a radiator flow based at least in part on the radiator flow rate. 1. A computer-implemented method for controlling a temperature of a coolant fluid at an inlet of an internal combustion engine , the method comprising:receiving, by a processing device, total fuel burned data indicating a total amount of fuel burned by the internal combustion engine;receiving, by the processing device, engine speed data indicating an engine speed of the internal combustion engine; andcalculating, by the processing device, a radiator flow rate to achieve a temperature set point at an inlet of the engine based at least in part on the total fuel burned data and the engine speed data; andadjusting, by the processing device, a radiator flow based at least in part on the radiator flow rate, wherein adjusting the radiator flow of the coolant fluid further comprises controlling a valve to adjust the radiator flow of the coolant fluid, the valve comprising an inlet connected to an outlet of an engine block and an outlet of an engine head, a first outlet connected to a radiator bypass, and a second outlet connected to a radiator.2. The computer-implemented method of claim 1 , whereinadjusting the radiator flow further comprises increasing flow of the coolant ...

ENGINE WARM-UP APPARATUS FOR VEHICLE

A warm-up device is provided in a cooling-water circuit, through which cooling water is circulated so as to pass through an engine. The warm-up device has a heat accumulating passage, in which a heat accumulating device is provided, and an accumulating-device bypassing passage bypassing the heat accumulating device. A waste-heat collecting device is provided in the cooling-water circuit so that heat is collected from exhaust gas from the engine and such collected heat is accumulated in the heat accumulating device. The cooling water is circulated through the heat accumulating device during a start-up operation of the engine in order to heat the cooling water flowing into the engine so as to quickly warm up the engine. 1. An engine warm-up apparatus for a vehicle comprising;a cooling-water circuit for circulating cooling water through an engine of the vehicle;a warm-up device arranged in the cooling-water circuit in such a way that the warm-up device works as a fluid resistance for a flow of the cooling water flowing into the engine, wherein the warm-up device operatively heats the cooling water during a start-up operation of the engine,wherein the warm-up device comprises;(i) a heat accumulating device having heat accumulating material for carrying out heat exchange between the cooling water and the heat accumulating material in order that waste heat of the engine is accumulated in the heat accumulating material and/or heat accumulated in the heat accumulating material is radiated to the cooling water;(ii) a passage switching device for switching a water passage for the cooling water flowing into the engine from a heat accumulating passage in which the cooling water flows through the heat accumulating device to an accumulating-device bypassing passage in which the cooling water bypasses the heat accumulating device, or vice versa; and(iii) a control unit for controlling the passage switching device in such a way that;(iii-a) the cooling water is circulated through ...

WORKING MACHINE

A working machine includes a machine body, an engine provided on the machine body, a radiator to cool a coolant supplied to the engine, a first fan provided on one directional surface side of the radiator, the first fan being rotatable in either one of a first direction to suck external air to an interior of the machine body and a second direction to generate an air flow for discharging air from the interior of the machine body to an exterior of the machine body, and a second fan provided on the other directional surface side of the radiator and configured to be rotated in the second direction. 1. A working machine comprising:a machine body;an engine provided on the machine body;a radiator to cool a coolant supplied to the engine;a first fan provided on one directional surface side of the radiator, the first fan being rotatable in either one of a first direction to suck external air to an interior of the machine body and a second direction to generate an air flow for discharging air from the interior of the machine body to an exterior of the machine body; anda second fan provided on the other directional surface side of the radiator and configured to be rotated in the second direction.2. The working machine according to claim 1 , further comprising:a controller to control drive of the first and second fans, wherein{'claim-text': ['to stop the second fan when the first fan rotates in the first direction; and', 'to drive the second fan when the first fan rotates in the second direction.'], '#text': 'the controller is configured or programmed:'}3. The working machine according to claim 2 , further comprising:a condenser to condense a refrigerant for an air conditioner provided on the machine body, whereinthe condenser is provided between the radiator and the second fan.4. The working machine according to claim 1 , whereinthe air capacity of the first fan rotating in the first direction is larger than that of the first fan rotating in the second direction,5. The working ...

Working machine

A working machine includes a prime mover, a hydraulic pump driven by power of the prime mover, a cooler including a cooling fan rotated by either the power of the prime mover or hydraulic fluid delivered from the hydraulic pump, and a controller configured or programmed to perform a reduction control for reducing a target fan rotation speed that is a target rotation speed of the cooling fan in response to reduction of an actual prime mover rotation speed that is an actual rotation speed of the prime mover, and to perform, after the reduction control, a restoration control for restoring the target fan rotation speed. The controller is configured or programmed to make a difference between a reduction rate of the target fan rotation speed in the reduction control and an increase rate of the target fan rotation speed in the restoration control.

Three-way modulating valve for temperature control

A temperature sensor for a first fluid senses a temperature of the first fluid downstream of a heat exchanger. A supply for a second fluid changes a temperature of the first fluid. The supply for the second fluid passes through the heat exchanger. A valve is positioned upstream of the said heat exchanger on the supply for the second fluid, and controls a flow rate of the second fluid diverted into a bypass line compared to a flow rate of the second fluid directed through the heat exchanger, with the three-way valve controlled by a control in response to feedback from said temperature sensor. The valve changes the respective flow rates delivered into the bypass line and through the said heat exchanger in a non-linear manner with a change in valve position. A manned spaceship is also disclosed.

CONTROL METHOD OF COOLING SYSTEM

A control method for a cooling system is provided. The system includes a vehicle operation state detecting portion having an ambient temperature sensor, first and second coolant temperature sensors, a coolant control valve unit that adjusts opening rates of first, second, and third coolant passages and a controller. The method includes determining whether an output signal of the ambient temperature sensor satisfies a predetermined an ambient low temperature driving condition and whether an output signal of the first coolant temperature sensor satisfies a predetermined first low temperature driving condition when the output signal of the ambient temperature sensor satisfies the predetermined the ambient low temperature driving condition. The coolant control valve unit opens the first and coolant passages and closes the second coolant passage when the output signal of the first coolant temperature sensor satisfies the predetermined first low temperature driving condition. 1. A control method for a cooling system including a vehicle operation state detecting portion , the control method comprising:determining, by the controller, whether an output signal of an ambient temperature sensor of the vehicle operation state detecting portion configured to detect a temperature of ambient air satisfies a predetermined an ambient low temperature driving condition;determining, by the controller, whether an output signal of a first coolant temperature sensor of the vehicle operation state detecting portion, configured to detect a temperature of coolant flowing through a cylinder head, satisfies a predetermined first low temperature driving condition when the output signal of the ambient temperature sensor satisfies the predetermined the ambient low temperature driving condition; andoperating, by the controller, a coolant control valve unit configured to receive coolant from the cylinder head to open a first coolant passage and a third coolant passage and to close a second coolant ...

CONTROL SYSTEM AND METHOD FOR A FAN

A system that may include an engine, and a fan configured to vary a measured engine temperature of the engine during operation. A vehicle controller may also be provided having one or more processors that may be configured to determine an ice risk characteristic of the engine, operate the fan to cool the engine based on the ice risk characteristic, and operate the fan to rotate in reverse based on the ice risk characteristic. 1. A system comprising:{'claim-text': ['operate a fan in forward to cool an engine in response to a measured engine temperature being greater than a determined first engine threshold temperature; and', 'determine an ice risk characteristic of the engine;', 'operate the fan to rotate in reverse based at least in part on the ice risk characteristic.'], '#text': 'a controller having one or more processors configured to:'}2. The system of claim 1 , wherein the controller is configured to determine the measured engine temperature and to:initiate rotation of the fan in reverse when the measured engine temperature is below the determined first engine threshold temperature,cease operation of the fan when the measured engine temperature is at or above the determined first engine threshold temperature but is below a determined second engine threshold temperature, androtate the fan in forward when the measured engine temperature is at or above determined second engine threshold temperature.3. The system of claim 1 , wherein the controller is configured to receive signals from temperature sensors coupled to a vehicle housing the engine claim 1 , sensors coupled to a fluid system coupled to the engine4. The system of claim 1 , wherein the controller is configured to determine the ice risk characteristic based at least in part on i.) a trip plan inputted into the controller claim 1 , ii.) information communicated to the controller from offboard a vehicle claim 1 , or both i.) and ii.).5. The system of claim 1 , wherein the controller is configured to operate ...

Engine Fluid Temperature Regulating System and Method

An engine fluid temperature regulating system and method for an engine is provided. The system includes a bypass line configured to be connected in parallel with a heat exchanger between an inlet and an outlet thereof, as well as a flow regulator configurable to regulate a proportion of fluid flowing through the bypass line and heat exchanger, respectively, between the inlet and the outlet. A control unit may be provided to regulate the proportion of fluid flowing through the bypass line and heat exchanger, and temperature sensor may be provided to measure temperatures used to regulate the proportion of fluid flowing through the bypass line and heat exchanger. 1. An engine fluid temperature regulating system for an engine , the system including a bypass line configured to be connected in parallel with a heat exchanger between an inlet and an outlet thereof , and a flow regulator configurable to regulate a proportion of fluid flowing through the bypass line and heat exchanger , respectively , between the inlet and the outlet.2. The system as claimed in including a temperature sensor at the inlet and/or the outlet of the heat exchanger claim 1 , and wherein the flow regulator is configured to adjust the proportion of fluid flowing through the heat exchanger and the bypass line claim 1 , respectively claim 1 , between the inlet and the outlet so that fluid enters the heat exchanger and bypass line at a target entry temperature claim 1 , or so that fluid exiting the heat exchanger and the bypass line is at a target exit temperature when mixed together.3. The system as claimed in which includes a control unit configured to automatically adjust the flow regulator to obtain the target entry or exit temperature.4. The system as claimed in which includes an ambient air temperature sensor for measuring the ambient air temperature claim 3 , and wherein the control unit is configured to take into account the ambient air temperature in adjusting the flow regulator.5. The system ...

System and method for engine cooling system

Methods and systems are provided for adjusting operation of each of a pump and a fan of an engine cooling system. In one example, a method may include adjusting a speed of the pump and a speed of the fan based on one or more of a temperature of coolant entering a heat exchanger of the cooling system, a temperature of air exiting the heat exchanger, and a temperature of air entering the heat exchanger.

METHODS AND SYSTEMS FOR A COOLING ARRANGEMENT

Methods and systems are provided for a cooling arrangement. In one example, the cooling arrangement comprises flowing coolant to only an upper portion of a cylinder head during a cold-start. The cooling arrangement comprises flowing coolant to a cylinder block, a lower portion of the cylinder-head, and the upper portion of the cylinder head outside of the cold-start. 1. A cooling arrangement for an engine , comprising:a high-temperature cooling circuit comprising a primary pump and a low-temperature coolant circuit comprising a secondary pump smaller than the primary pump; anda controller with computer-readable instructions stored on non-transitory memory thereof that when executed enable the controller to:activate the secondary pump and deactivate the primary pump during an engine cold-start, wherein coolant only flows through an upper cylinder-head portion separate from coolant jackets of the engine block and a lower cylinder-head portion.2. The cooling arrangement of claim 1 , wherein coolant flows from the upper cylinder-head portion claim 1 , through an EGR valve claim 1 , and to a charge-air cooler arranged in the low-temperature coolant circuit before it returns to the upper cylinder-head portion.3. The cooling arrangement of claim 1 , wherein coolant flows from the upper cylinder-head portion claim 1 , through an EGR valve claim 1 , through an EGR cooler claim 1 , and to a charge-air cooler arranged in the low-temperature coolant circuit before it returns to the upper cylinder-head portion.4. The cooling arrangement of claim 1 , wherein coolant flows from the upper cylinder-head portion claim 1 , through an EGR valve claim 1 , through an EGR cooler claim 1 , through an HVAC system claim 1 , and to a charge-air cooler arranged in the low-temperature coolant circuit before it returns to the upper cylinder-head portion.5. The cooling arrangement of claim 4 , wherein the high-temperature coolant circuit comprises a transmission oil cooler claim 4 , an oil filter ...

CONTROL METHOD FOR COOLING SYSTEM

A control method for a cooling system is provided. The method includes determining whether the output signals of a first coolant temperature sensor and a second coolant temperature sensor satisfy a predetermined coolant overheating condition. A coolant control valve unit is operated to move the cam to a maximum position when the predetermined coolant overheating condition is satisfied. Additionally, a control temperature is determined according to an output signal of the first coolant temperature sensor and the second coolant temperature sensor and an operation of the injector is limited according to the determined control temperature. 1. A control method for a cooling system , comprising:determining, by a controller, whether output signals of a first coolant temperature sensor and a second coolant temperature sensor satisfied a predetermined coolant overheating condition, wherein the first coolant temperature sensor and the second coolant temperature sensor are part of a vehicle operation state detecting portion of the cooling system;operating, by the controller, a coolant control valve unit of the cooling system to move a cam of the coolant control valve unit to a maximum position when the predetermined coolant overheating condition is satisfied, wherein the cam adjusts opening rates of a first coolant passage through which the coolant distributed to a heater flows, a second coolant passage through which the coolant distributed to a radiator flows and a third coolant passage through which the coolant discharged from a cylinder block flows;determining, by the controller, a control temperature according to an output signal of the first coolant temperature sensor and the second coolant temperature sensor; andlimiting, by the controller, an operation of an injector of the cooling system according to the determined control temperature.2. The control method of claim 1 , wherein the maximum position is a position where the first coolant passage and the third coolant ...

HEAT EXCHANGE SYSTEM FOR VEHICLE, HEAT EXCHANGE METHOD FOR VEHICLE, AND STORAGE MEDIUM

A heat exchange system for a vehicle includes: a first cooling circuit (L- L-) is configured to cool an internal combustion engine; a second cooling circuit (L- L-) is configured to cool a driving electric motor outputs a driving force; a first heat exchanger () is configured to exchange heat between the first cooling circuit and the second cooling circuit; a first sensor () is configured to detect a temperature of the first cooling circuit; a second sensor () is configured to detect a temperature of the second cooling circuit; and a controller () is configured to execute control of performing heat exchange between a coolant in the first cooling circuit and a coolant in the second cooling circuit using the first heat exchanger when the temperature detected by the first sensor is lower than the temperature detected by the second sensor. 1. A heat exchange system for a vehicle , comprising:a first cooling circuit is configured to cool an internal combustion engine;a second cooling circuit is configured to cool a driving electric motor which outputs a driving force for traveling;a first heat exchanger is configured to exchange heat between a coolant in the first cooling circuit and a coolant in the second cooling circuit;a first sensor is configured to detect a temperature of the first cooling circuit;a second sensor is configured to detect a temperature of the second cooling circuit; anda controller is configured to execute control of performing heat exchange between the coolant in the first cooling circuit and the coolant in the second cooling circuit using the first heat exchanger when the temperature detected by the first sensor is lower than the temperature detected by the second sensor.2. The heat exchange system for a vehicle according to claim 1 , wherein the controller is configured to execute control of performing the heat exchange using the first heat exchanger according to an operation plan of the internal combustion engine.3. The heat exchange system for a ...

Temperature control system for a motor vehicle

The invention relates to a thermal control system (100) for a vehicle, the thermal control system (100) comprising at least one first heat exchanger (110) and at least one second heat exchanger (120) that are arranged in series, the first heat exchanger (110) extending mainly on a first plane (P1) intersecting a second plane (P2) on which the second heat exchanger (120) mainly extends such that the first heat exchanger (110) is closer to the second heat exchanger (120) at respective first ends (111, 121) of the two heat exchangers (110, 120) and the first heat exchanger (110) is farther away from the second heat exchanger (120) at respective second ends (112, 122) of these two heat exchangers (110, 120).

VEHICLE THERMAL MANAGEMENT SYSTEM APPLYING AN INTEGRATED THERMAL MANAGEMENT VALVE AND A COOLING CIRCUIT CONTROL METHOD THEREOF

A vehicle thermal management system includes an Integrated Thermal Management Valve (ITM) for receiving engine coolant through a coolant inlet connected to an engine coolant outlet of an engine, and for distributing the engine 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 Exhaust Gas Recirculation (EGR) cooler, an oil warmer, an Auto Transmission Fluid (ATF) warmer, and the radiator. The thermal management system includes a water pump positioned at the front end of the engine coolant inlet of the engine and a coolant branch flow path branched at the front end of an engine coolant inlet to be connected to the coolant outlet flow path. 1. A vehicle thermal management system , comprising:an Integrated Thermal Management Valve (ITM) for receiving engine coolant through a coolant inlet connected to an engine coolant outlet of an engine, and distributing the engine coolant flowing out toward a radiator through a coolant outlet flow path connected to a heat exchange system comprising at least one among a heater core, an Exhaust Gas Recirculation (EGR) cooler, an oil warmer, and an Auto Transmission Fluid (ATF) warmer and the radiator;a water pump positioned at the front end of the engine coolant inlet of the engine; anda coolant branch flow path branched at the front end of an engine coolant inlet to be connected to the coolant outlet flow path.2. The vehicle thermal management system of claim 1 ,wherein an Exhaust Heat Recovery System (EHRS) is installed at the coolant branch flow path.3. The vehicle thermal management system of claim 1 ,wherein the coolant outlet flow path comprises a radiator outlet flow path connected to the radiator, a first distribution flow path connected to the heater core or the EGR cooler, and a second distribution flow path connected to the oil warmer or the ATF warmer.4. The vehicle thermal management system of ...

VEHICLE THERMAL MANAGEMENT SYSTEM APPLYING AN INTEGRATED THERMAL MANAGEMENT VALVE AND A COOLING CIRCUIT CONTROL METHOD THEREOF

A vehicle thermal management system includes a plurality of coolant circulation/distribution systems that form an engine coolant flow, which circulates in an engine via mechanic/electronic water pumps, a heater core, High Temperature (HT)/Low Temperature (LT) radiators, an Exhaust Gas Recirculation (EGR) cooler, an oil warmer, an Auto Transmission Fluid (ATF) warmer, and an intercooler, in association with an Integrated Thermal Management Valve (ITM) and a Smart Single Valve (SSV). The thermal management system prevents turbo boiling at Ignition Key Off in association with the SSV and an Electric Water Pump (EWP) of the water-cooled intercooler while quickly implementing warm-up of the engine and the engine oil/ATF oil by the four-port layout of the ITM at the same time. 1. A vehicle thermal management system , comprising:an Integrated Thermal Management Valve (ITM) for receiving engine coolant through a coolant inlet connected to an engine coolant outlet of an engine, and distributing the coolant flowing out toward a High Temperature (HT) radiator through a coolant outlet flow path connected to a heat exchange system comprising at least one among a heater core, an Exhaust Gas Recirculation (EGR) cooler, an oil warmer, and an Auto Transmission Fluid (ATF) warmer and the HT radiator;a mechanic water pump positioned at the front end of an engine coolant inlet of the engine;a coolant branch flow path branched at the front end of the engine coolant inlet to be connected to a turbocharger;a Smart Single Valve (SSV) for adjusting a coolant flow flowing out from the turbocharger on the coolant branch flow path; anda bypass coolant flow path connected with the coolant branch flow path through the SSV, and comprising an electronic water pump,wherein the engine coolant outlet comprises an engine head coolant outlet and an engine block coolant outlet, andwherein the coolant inlet comprises an engine head coolant inlet connected with the engine head coolant outlet and an engine ...

OUTBOARD MOTOR

An outboard motor includes an engine, a cooling water passage, a pump that is driven in conjunction with the engine, an inlet water passage that branches from the cooling water passage, an oil cooler, an outlet water passage, a first thermostat located in the cooling water passage, and a second thermostat. The pump takes outside water into the cooling water passage. The oil cooler includes a water-storing space into which water in the inlet water passage is taken. The outlet water passage is connected to an outlet of the oil cooler. The first thermostat increases and decreases the flow rate of water flowing through the engine. The second thermostat is located at the outlet or at the outlet water passage, and increases and decreases the flow rate of water flowing through the outlet water passage. 1. An outboard motor comprising:an engine;a cooling water passage through which water flows from an inflow port, located in outside water outside the outboard motor, to an outflow port, via the engine;a pump that takes the outside water from the inflow port into the cooling water passage by being driven in conjunction with the engine;an inlet water passage that branches from the cooling water passage;an oil cooler that cools lubrication oil in the engine, the oil cooler including an inlet connected to the inlet water passage, a water-storing space into which water in the inlet water passage is taken from the inlet, and an outlet from which water in the water-storing space is discharged;an outlet water passage connected to the outlet;a first thermostat located in the cooling water passage and that increases and decreases a flow rate of water flowing through the engine; anda second thermostat located at the outlet or at the outlet water passage and that increases and decreases a flow rate of water flowing through the outlet water passage.2. The outboard motor according to claim 1 , wherein the outlet water passage is joined to the cooling water passage.3. The outboard motor ...

COOLANT TEMPERATURE CORRECTION SYSTEMS AND METHODS

A coolant control system of a vehicle includes an adjusting module that: (i) receives an engine output coolant temperature measured at a coolant output of an internal combustion engine; (ii) adjusts the engine output coolant temperature based on a reference temperature to produce a first adjusted coolant temperature; (iii) receives an engine input coolant temperature measured at a coolant input of the internal combustion engine; and (iv) adjusts the engine input coolant temperature based on the reference temperature to produce a second adjusted coolant temperature. The coolant control system also includes a difference module that determines a difference between the first and second adjusted coolant temperatures. The coolant control system also includes a pump control module that controls a coolant output of a coolant pump based on the difference between the first and second adjusted coolant temperatures. 1. A coolant control system of a vehicle , comprising:an adjusting module that: (i) receives an engine output coolant temperature measured at a coolant output of an internal combustion engine; (ii) adjusts the engine output coolant temperature based on a reference temperature to produce a first adjusted coolant temperature; (iii) receives an engine input coolant temperature measured at a coolant input of the internal combustion engine; and (iv) adjusts the engine input coolant temperature based on the reference temperature to produce a second adjusted coolant temperature;a difference module that determines a difference between the first and second adjusted coolant temperatures; anda pump control module that controls a coolant output of a coolant pump based on the difference between the first and second adjusted coolant temperatures.2. The coolant control system of wherein the pump control module selectively adjusts at least one of a speed and a displacement of the coolant pump based on a comparison of the difference between the first and second adjusted coolant ...

ENGINE COOLING SYSTEM HAVING EGR COOLER

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. 1. An engine cooling system provided with an exhaust gas recirculation (EGR) cooler , comprising:a cylinder block;a cylinder head provided over the cylinder block;a coolant pump configured to pump coolant to a coolant inlet of the cylinder block;an EGR cooler in fluid communication with the coolant pump;a first coolant temperature sensor configured to sense a first temperature of coolant discharged from the cylinder head;a second coolant temperature sensor configured to sense a second temperature of coolant flowing from the coolant pump to the cylinder block; anda coolant control valve unit that is provided downstream a coolant outlet of the cylinder head, wherein the coolant control valve unit is configured to receive coolant from the cylinder head,wherein the coolant control valve unit is configured to control a coolant flow to at least one part based on the first temperature and the second temperature.2. The engine cooling system of claim 1 , wherein the at least one part comprise a heater core claim 1 , an oil warmer claim 1 , or a radiator.3. (canceled)4. The engine cooling system of claim 1 , further comprising an EGR valve configured to control flow of exhaust gas that circulates the EGR cooler.5. The engine cooling system of claim 4 , further comprising an engine control unit (ECU) configured to ...

COOLING CONTROL SYSTEM

A system including a cooling fan, an actuator with an actuator temperature sensor, and a controller is disclosed. The controller may be configured to receive temperature data from the actuator temperature sensor. The temperature data may include information relating to an actuator temperature of the actuator. The controller may be configured to compare the actuator temperature with a temperature threshold associated with the actuator, and control the cooling fan to adjust the actuator temperature based on determining that the actuator temperature satisfies the temperature threshold. 1. A system , comprising:a cooling fan;an actuator having an actuator temperature sensor; and [ 'the temperature data including information relating to an actuator temperature of the actuator,', 'receive temperature data from the actuator temperature sensor,'}, 'compare the actuator temperature with a temperature threshold associated with the actuator, and', 'control the cooling fan to adjust the actuator temperature based on determining that the actuator temperature satisfies the temperature threshold., 'a controller configured to2. The system of claim 1 , wherein the controller is in electrical communication with the cooling fan and the actuator temperature sensor via one or more communication buses of a work machine associated with the cooling fan and the actuator.3. The system of claim 1 , wherein the actuator includes one or more of a variable geometry turbocharger (VGT) actuator or an exhaust gas recirculation (EGR) actuator.4. The system of claim 1 , wherein the temperature threshold corresponds to a range of optimal operating temperatures associated with the actuator claim 1 ,the range of optimal operating temperatures being defined between a maximum operating temperature threshold and a minimum operating temperature threshold associated with the actuator, andthe controller being configured to control the cooling fan to adjust the actuator temperature based on determining that ...

Systems and methods for automobile radiator cooling control

Systems, methods, and non-transitory computer-readable media provide a cooling component including an underbody wheel well fan that is installed in proximity to the wheel well at each side of the front wheels. Specifically, an apparatus for vehicle radiator cooling control is provided, including a first suction component disposed in proximity to a first wheel well at a first side of a vehicle, a first tube component having a first end connected to the first suction component and a second end extended to a direction towards a back of the vehicle, and a first fan component connected to the second end of the first tube component.

COOLING APPARATUS OF INTERNAL COMBUSTION ENGINE

The cooling apparatus of the engine according to the invention supplies the cooling water directly to the cylinder block water passage from the cylinder head water passage when the engine temperature is between first and second temperatures, and a supply of the cooling water to the heat exchanger is not requested. The first and second temperatures are lower than the engine completely-warmed temperature. The apparatus supplies the cooling water discharged from the cylinder block and head water passages, to the water passages through the heat exchanger when the engine temperature is between the second temperature and the engine completely-warmed temperature, and the supply of the cooling water to the heat exchanger is not requested. 1. A cooling apparatus of an internal combustion engine for cooling a cylinder head and a cylinder block of the internal combustion engine by cooling water , comprising:a pump for circulating the cooling water;a first water passage formed in the cylinder head;a second water passage formed in the cylinder block;a third water passage which connects a first end of the first water passage to a first pump opening which is one of a pump discharging opening and a pump suctioning opening, the pump discharging opening being an opening of the pump for discharging the cooling water, the pump suctioning opening being an opening of the pump for suctioning the cooling water;a normal flow connection water passage for connecting a first end of the second water passage to the first pump opening;an opposite flow connection water passage for connecting the first end of the second water passage to a second pump opening which is the other of the pump discharging opening and the pump suctioning opening;a switching part for switching a water passage between the normal flow connection water passage and the opposite flow connection water passage;a fourth water passage which connects the second end of the first water passage and the second end of the second water ...

Active seal arrangement for use with vehicle condensers

An active seal arrangement operably connected to a radiator and condenser of a vehicle. The arrangement includes at least one movable seal. The seal is selectively movable between a closed, air-restricting position and an open, air-passing position. The seal is pivotably connected to either the radiator or the condenser. Alternatively, the movable seal is slidably attached to a side wall fitted between the radiator and the condenser. A position controller operably connected to at least one sensor regulates the position of the seal. The seal is moved to its closed, air-restricting position during times of high condenser load such as when idling or when the vehicle is operated at very low vehicle speeds during hot weather. The seal is moved to its open, air-passing position during high powertrain cooling demand such as in hot weather, when ascending a grade, or when towing a large trailer or payload.

Method of controlling a cooling circuit of an internal combustion engine

A method of operating a cooling circuit of an internal combustion engine is disclosed. The engine is equipped with an engine head, and the cooling circuit includes a pump configured to deliver a variable flow of coolant through the cooling circuit. A coolant flow rate to be delivered by the pump is calculated as a function of an engine load, an engine speed and a desired engine head temperature, and the pump is operated to deliver the calculated coolant flow rate.

METHOD AND SYSTEM FOR CONTROLLING COOLANT CIRCULATING IN ENGINE

The present disclosure provides a method and system, for controlling a coolant circulating in an engine, including: selecting a reference inlet temperature for a coolant flowing through a coolant inlet of an engine; controlling an open rate of the coolant control valve unit based on the reference inlet temperature; sensing an actual inlet temperature of the coolant flowing through the coolant inlet of the engine; sensing an actual outlet temperature of a coolant flowing through a coolant outlet of the engine; calculating a difference value between the actual inlet temperature and the actual outlet temperature; and varying the reference inlet temperature according to the difference value. 1. A method for controlling coolant circulating in an engine , the method comprising:selecting a reference inlet temperature for a coolant flowing through a coolant inlet of an engine;continuously controlling a coolant flowing through a radiator and a coolant flowing through a coolant control valve unit by controlling an open rate of the coolant control valve unit based on the reference inlet temperature;sensing an actual inlet temperature of the coolant flowing through the coolant inlet of the engine;sensing an actual outlet temperature of a coolant flowing through a coolant outlet of the engine;calculating a difference value between the actual inlet temperature and the actual outlet temperature; andvarying the reference inlet temperature according to the difference value and controlling an open amount of the coolant control valve unit to follow the varied reference inlet temperature.2. The method for controlling coolant circulating in an engine of claim 1 , whereinthe reference inlet temperature is selected based on the actual outlet temperature of the coolant flowing through the coolant outlet of the engine.3. The method for controlling coolant circulating in an engine of claim 1 , whereinthe coolant control valve unit supplies a coolant discharged from the coolant outlet of the ...

CONNECTOR

A connector for an engine cooling system is provided. The connecter may be located in a chamber with two inlets and an outlet. The connector may include a thermostatic valve. A temperature sensitive element may move the thermostatic valve between an open and closed position. A pressure relief valve may also be incorporated into the thermostatic valve. An engine cooling system comprising the connector is also provided. 1. A connector for an engine cooling system , the connector comprising:a first inlet;a second inlet;an outlet;a chamber in fluidic communication with the first inlet, second inlet and the outlet;a thermostatic valve provided within the chamber, the thermostatic valve configured to selectively restrict flow from the first inlet to the outlet, wherein the thermostatic valve is arranged such that fluid from the second inlet passes through the chamber to the outlet and is in thermal communication with the thermostatic valve, such that the thermostatic valve opens or closes in response to a temperature of the fluid from the second inlet; anda pressure relief valve provided within the chamber and within a flow path from the first inlet to the outlet, the pressure relief valve opening in response to a pressure of fluid at the first inlet to bypass the thermostatic valve, and wherein the pressure relief valve is integrated into the thermostatic valve.2. The connector of claim 1 , wherein the pressure relief valve is arranged to permit a flow of fluid from the first inlet through the thermostatic valve claim 1 , in order to bypass the thermostatic valve claim 1 , when the pressure relief valve is open.3. The connector of claim 1 , wherein the thermostatic valve and/or the chamber form a weir to allow a bleed flow of fluid through the thermostatic valve.4. The connector of claim 1 , wherein the thermostatic valve comprises a valve element for selectively restricting the flow through the thermostatic valve.5. The connector of claim 4 , wherein a bleed opening is ...

Temperature control apparatus of vehicle

A temperature control apparatus of a vehicle of the invention flows a cooling medium in an engine circulation circuit and a battery circulation circuit and an activation of an engine heat exchanging system so as not to perform an engine heat exchanging when an engine temperature is lower than an engine warming end temperature and a battery temperature is lower than a predetermined battery temperature lower than a battery warming end temperature, and flows the cooling medium in the engine circulation circuit and the battery circulation circuit and the activation of the engine heat exchanging system so as to perform the engine heat exchanging when the engine temperature is lower than the engine warming end temperature, and the battery temperature is equal to or higher than the predetermined battery temperature.

Electric coolant pump

An electric coolant pump may include at least one first coolant inlet, at least one second coolant inlet, a coolant outlet, and a valve device. The valve device may be configured to, based on a selected operating point and a pressure in a coolant, at least one of open and close at least one of the at least one first coolant inlet and the at least one second coolant inlet. The valve device may be integrated in a body of the coolant pump.

Method and appratus for controlling water pump for vehicle

A method for controlling a water pump for a vehicle includes: determining whether an engine is on; measuring a coolant temperature of the engine and an RPM of the engine when the engine is determined to be operated; determining whether the measured coolant temperature is equal to or greater than a predetermined coolant temperature; determining an RPM of a water pump, which adjusts a coolant flow rate, from the measured coolant temperature and the measured RPM of the engine, when the measured coolant temperature is determined to be equal to or greater than the predetermined coolant temperature; and controlling the water pump such that the water pump is operated according to the determined RPM of the water pump.

Three-way modulating valve for temperature control

A temperature sensor for a first fluid senses a temperature of the first fluid downstream of a heat exchanger. A supply for a second fluid changes a temperature of the first fluid. The supply for the second fluid passes through the heat exchanger. A valve is positioned upstream of the said heat exchanger on the supply for the second fluid, and controls a flow rate of the second fluid diverted into a bypass line compared to a flow rate of the second fluid directed through the heat exchanger, with the three-way valve controlled by a control in response to feedback from said temperature sensor. The valve changes the respective flow rates delivered into the bypass line and through the said heat exchanger in a non-linear manner with a change in valve position. A manned spaceship is also disclosed.

A method for controlling a cooling system delivering coolant to heat exchanger in a vehicle

A method for controlling a cooling system delivering coolant to a heat exchanger ( 18 ) in a vehicle ( 1 ). During operating conditions when a thermostat ( 6 ) in the cooling system is in the partly open position, the method comprises the steps of estimating a desired cooling temperature (T) of a medium in the heat exchanger ( 18 ), calculating the coolant flow rate ({dot over (m)} 1 ) through a radiator ( 7 b ) and the coolant flow rate ({dot over (m)} 2 ) through a radiator bypass line ( 9 ), calculating am coolant flow rate ({dot over (m)} 3 ) and coolant temperature (t 3 ) combination at 10 at which the medium in the heat exchanger ( 18 ) is cooled to a desired temperature (T), adjusting the flow regulating mechanism ( 23 ) such that coolant at the selected flow rate ({dot over (m)} 3 ) and temperature (t 3 ) combination is directed to the heat exchanger ( 18 ).

Method and apparatus for controlling water pump for vehicle

A method for controlling a water pump for a vehicle includes: determining whether an engine is on; measuring a coolant temperature of the engine and an RPM of the engine when the engine is determined to be operated; determining whether the measured coolant temperature is equal to or greater than a predetermined coolant temperature; determining an RPM of a water pump, which adjusts a coolant flow rate, from the measured coolant temperature and the measured RPM of the engine, when the measured coolant temperature is determined to be equal to or greater than the predetermined coolant temperature; and controlling the water pump such that the water pump is operated according to the determined RPM of the water pump.

ENGINE COOLING APPARATUS

Provided is an engine cooling apparatus capable of preventing deterioration in reliability of a cylinder head of an engine during cold engine operation. The engine cooling apparatus comprises an engine cooling water path, a heater core cooling path, and a radiator cooling water path, and further comprises a switching valve for switching among these cooling water paths. The switching valve is operable, when the temperature of an area around an exhaust valve is raised to a value greater than, e.g., 150° C., even in a situation where the temperature of cooling water for cooling the engine is equal to or less than, e.g., 50° C., to switch from the in-engine cooling water path to the heater core cooling water path. 1. An engine cooling apparatus comprising:a first cooling water path for circulating cooling water for cooling an engine through the engine;a second cooling water path for circulating the cooling water through the engine and a heat exchanger outside the engine;a switching valve for switching a flow of the cooling water between the first cooling water path and the second cooling water path;switching control means operable, when a temperature of the cooling water is equal to or less than a first setup value, to control the switching valve to switch the flow of the cooling water to the first cooling water path, and, when the temperature of the cooling water is greater than the first setup value, to control the switching valve to switch the flow of the cooling water to the second cooling water path; andexhaust valve area temperature detection means operable to detect or estimate a temperature of an exhaust valve area around an exhaust valve of the engine,wherein the switching control means is operable, when the temperature of the exhaust valve area detected by the exhaust valve area temperature detection means is greater than a given temperature, in a state in which the switching valve is switched to the first cooling water path, to control the switching valve to ...

APPARATUS FOR CONTROLLING VALVE OF COOLANT CIRCULATION SYSTEM AND METHOD THEREOF

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. 1. An apparatus for controlling a vehicle , the apparatus comprising:a valve configured to introduce or block a flow of coolant discharged from a coolant pump into latent heat storage;a first temperature sensor configured to measure a first coolant temperature of the coolant discharged from the coolant pump;a second temperature sensor configured to measure a second coolant temperature of the coolant stored in the latent heat storage; anda controller configured to control 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.2. The apparatus of claim 1 , wherein the controller is configured to open the valve to increase the first coolant temperature when an engine is initiated.3. The apparatus of claim 1 , wherein the controller is configured to open the valve when the second coolant temperature is higher than the first coolant temperature by a first threshold temperature or more and to close the valve when a time period for which the first coolant temperature exceeds the second coolant temperature passes a threshold time.4. The apparatus of claim 2 , wherein the controller is configured to delay an opening time of a main valve to increase a rising rate of the first coolant temperature when the valve is opened.5. The apparatus of claim 1 , wherein the controller is ...

COOLING SYSTEM FOR A COMBUSTION ENGINE VEHICLE

Cooling water flow control device for internal combustion engine

냉각수 제어밸브유닛을 갖는 엔진시스템

본 발명의 실시예에 따른 냉각수 제어밸브유닛을 갖는 엔진시스템은, 일측으로 냉각수를 공급받고, 타측으로 냉각수를 배출하는 통로가 형성되는 밸브 하우징, 회전 중심축을 중심으로 회전하도록 배치되고, 그 회전위치에 따라서 상기 통로를 폐쇄하는 폐쇄부와 상기 통로를 개방하는 개방부가 회전방향으로 설정된 간격을 두고 형성되는 밸브, 상기 회전 중심축을 중심으로 상기 밸브를 회전시키도록 배치되는 액추에이터, 및 운행조건에 따라서 상기 액추에이터를 제어하는 제어부를 포함하고, 상기 폐쇄부가 상기 통로를 폐쇄한 상태에서 상기 밸브의 폐쇄부를 관통하는 바이패스통로가 형성될 수 있다.

Electronically controlled engine cooling apparatus

An apparatus is provided for controlling the temperature of an engine (28) based on a temperature control signal (20) related to an optimum engine temperature generated by an electronic control module (10) using an output signal from at least one sensor (14). A controller (22) generates an output signal (26) based on a temperature control signal (20) received from the electronic control module (10) and on a signal (24) proportional to the actual engine temperature received from an engine temperature sensor (14). The apparatus also includes an electronically actuated thermostat (24) including a valve (46) located within a coolant flow passageway (40) of the engine block (38) and a motor (44) electrically coupled to the controller (22) for controlling the valve (46).

Control method of vehicle cooling system (embodiments) and system for vehicle

FIELD: machine building. SUBSTANCE: invention relates to a vehicle engine cooling system. Disclosed are methods and systems for controlling the flow of cooling liquid in a cooling system of a vehicle during an engine start event. In one example, the method may comprise steps of: during an engine start event, controlling the engine coolant flow path in the vehicle cooling system by the passive valve and the actively-controlled valve, and in response to the engine coolant temperature below the threshold during the engine start event, isolating the engine coolant flow path to the cooling system unit to provide fast warm-up of the engine coolant without stopping the engine coolant in the engine. This allows for quick warm-up of engine coolant during engine start-up event by isolating cooling liquid flow, and not by stopping flow of cooling liquid, which in turn enables to reduce non-uniform heating of components of engine system and thereby prolong service life of engine system. EFFECT: invention provides for control of cooling liquid flow in engine cooling system without stopping cooling liquid in engine. 18 cl, 6 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 715 463 C2 (51) МПК F01P 7/16 (2006.01) F01P 7/14 (2006.01) F01P 3/20 (2006.01) F01P 5/10 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК F01P 7/16 (2019.08); F01P 7/14 (2019.08); F01P 3/20 (2019.08); F01P 5/10 (2019.08) (21)(22) Заявка: 2017134445, 03.10.2017 (24) Дата начала отсчета срока действия патента: (73) Патентообладатель(и): Форд Глобал Текнолоджиз, ЛЛК (US) Дата регистрации: 28.02.2020 Приоритет(ы): (30) Конвенционный приоритет: 01.11.2016 US 15/340,164 (43) Дата публикации заявки: 04.04.2019 Бюл. № 10 (45) Опубликовано: 28.02.2020 Бюл. № 7 2 7 1 5 4 6 3 R U (54) СПОСОБ РЕГУЛИРОВАНИЯ СИСТЕМЫ ОХЛАЖДЕНИЯ ТРАНСПОРТНОГО СРЕДСТВА (ВАРИАНТЫ) И СИСТЕМА ДЛЯ ТРАНСПОРТНОГО СРЕДСТВА (57) Реферат: Изобретение относится к системе охлаждения обеспечения ...

Cooling water passage of internal-combustion engine

(57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。

Cooling device of internal combustion engine liquid cooling system

t. ОХЛАЩАЩЕЕ УСТРОЙСТВО СИСТЕМЫ Ж1ЩКОСТНОГО ОХЛАВДЕНИЯ ДВИГАТЕЛЯ ВНУТРЕННЕГО СГОРАНИЯ, содержащее теплообменник с впускным и вы- . пускным штуцерами и с поперечным под- водом охлаждающей жидкости и охлаждающего воздуха, байпасный трубопровод, подключенный параллельно теплообменнику ,- термостат с термостатной вставкой , размещенные в теплообменнике входную и смесительную камеры, причем последн   соединена с теплообменником через входную камеру с байпасным трубопроводом и выпускным штуцером через два канала, смесительна  камера отделена от теплообменника перегородкой и внутри камеры установлен термостат, регулирующий подачу в смесительную камеру охлаждающей жидкости из теплообменника и байпасного трубопровода, а в корпусе термостата выполнен прилив, на котором установлена крьпика, расположенна  напротив байпасного трубопровода в месте его соединени .со смесительной камерой с возможностью креплени  термостатной вставки в смесительной KaMepie, о-тличающеес  тем, что, с целью упрощени  конструкции,, теплообменник снабжен входной приемной емкостью и выходной рециркул ционной камерами дл  охлаждающей жидкости, смесительна  камера размещена на корпусе выходной рециркул ционной камеры , канал, соедин ющий смесительную .камеру с теплообменником, выполнен в раздел ющей их перегородке, смесительна  камера снабжена входным и выходным каналами, соединенными соотю ветственно с байпасным трубопроводом и выпускным штуцером, размещенными снаружи корпуса выходной- рециркул 00 ционной камеры. strf t. COOLING DEVICE OF THE SYSTEM OF OCCUPATIONAL COOLING OF THE ENGINE OF INTERNAL COMBUSTION, containing a heat exchanger with intake and exhaust. a bypass pipe connected with a transverse coolant and cooling air supply, a bypass pipe connected in parallel to the heat exchanger, a thermostat with a thermostatic insert, placed in the heat exchanger inlet and mixing chambers, the latter being connected to the heat exchanger through the inlet chamber with a bypass pipeline and outlet fitting ...

Patent FR2676401B1

Patent DE3440504C2

Porous resin molding

(57)【要約】 【課題】 オイルクーラを備える内燃機関であっても、 内燃機関の始動時におけるヒータの立ち上がりが早く、 暖機促進を十分にすること。 【解決手段】 エンジン本体３、ラジエータ５、室内用 ヒータコア７およびオイルクーラ９を連通し、かつ冷却 水を通す冷却水外部通路１１は、ラジエータからエンジ ン本体に向けて冷却水を通す連絡通路１４と、エンジン 本体３から室内用ヒータコア７に向けて冷却水を通す連 絡通路２１と、この連絡通路２１と連絡通路１４とをウ ォータジャケット１２に対してバイパス状に接続しかつ オイルクーラを途中に含むオイルクーラ用冷却水連通路 ３０とを備え、連絡通路２１および連絡通路１４に、冷 却水温度が所定温度になると冷却水量を減少する流量制 御弁１５，２３を備え、オイルクーラ用冷却水連通路と 連絡通路２１との接続点Ｃは、連絡通路２１の流量制御 弁２３の配置点Ｍよりも上流側とする。

Patent RU2017134445A3

ВУ“? 2017134445” АЗ Дата публикации: 06.08.2019 Форма № 18 ИЗ,ПМ-2011 Федеральная служба по интеллектуальной собственности Федеральное государственное бюджетное учреждение ж 5 «Федеральный институт промышленной собственности» (ФИПС) ОТЧЕТ О ПОИСКЕ 1. . ИДЕНТИФИКАЦИЯ ЗАЯВКИ Регистрационный номер Дата подачи 2017134445/06(060617) 03.10.2017 Приоритет установлен по дате: [ ] подачи заявки [ ] поступления дополнительных материалов от к ранее поданной заявке № [ ] приоритета по первоначальной заявке № из которой данная заявка выделена [ ] подачи первоначальной заявки № из которой данная заявка выделена [ ] подачи ранее поданной заявки № [Х] подачи первой(ых) заявки(ок) в государстве-участнике Парижской конвенции (31) Номер первой(ых) заявки(ок) (32) Дата подачи первой(ых) заявки(ок) (33) Код страны 1. 15/340,164 01.11.2016 05 Название изобретения (полезной модели): [Х] - как заявлено; [ ] - уточненное (см. Примечания) СИСТЕМА И СПОСОБ (ВАРИАНТЫ) ДЛЯ БЫСТРОГО ПРОГРЕВА ОХЛАЖДАЮЩЕЙ ЖИДКОСТИ ДВИГАТЕЛЯ Заявитель: Форд Глобал Текнолоджиз, ЛЛК, 05 2. ЕДИНСТВО ИЗОБРЕТЕНИЯ [Х] соблюдено [ ] не соблюдено. Пояснения: см. Примечания 3. ФОРМУЛА ИЗОБРЕТЕНИЯ: [Х] приняты во внимание все пункты (см. Примечания) [ ] приняты во внимание следующие пункты: [ ] принята во внимание измененная формула изобретения (см. Примечания) 4. КЛАССИФИКАЦИЯ ОБЪЕКТА ИЗОБРЕТЕНИЯ (ПОЛЕЗНОЙ МОДЕЛИ) (Указываются индексы МПК и индикатор текущей версии) ЕОТР 7/16 (2006.01) ЕОТР 7/14 (2006.01) ЕОТР 3/20 (2006.01) ЕОТР 5/10 (2006.01) 5. ОБЛАСТЬ ПОИСКА 5.1 Проверенный минимум документации РСТ (указывается индексами МПК) Е01Р3/О0, 3/.20, 5/00, 5/10, 77/00, 7/14, 7/16 5.2 Другая проверенная документация в той мере, в какой она включена в поисковые подборки: 5.3 Электронные базы данных, использованные при поиске (название базы, и если, возможно, поисковые термины): Езрасепеф, ]-Р]а(Раё Рабеагсв, ОЗРТО 6. ДОКУМЕНТЫ, ОТНОСЯЩИЕСЯ К ПРЕДМЕТУ ПОИСКА Кате- Наименование документа с указанием (где необходимо) частей, ...

Method for diagnosing thermostat of engine cooling system for a motor vehicle

본 발명은, 자동차의 엔진을 냉각시키기 위한 냉각수의 순환을 제어하는 서모스탯(thermostat)의 고장을 진단하는 방법에 관한 것이다. 본 발명에 따른 방법은, 워터 재킷의 내부에 설치된 제 1 냉각 수온 센서 및 라디에이터의 냉각수 통로에 설치된 제 2 냉각 수온 센서로부터 각각 제 1 냉각수온(T 1 ) 및 제 2 냉각수온의 변화율(ΛT 2 )을 검출하는 단계; 제 1 냉각수온(T 1 )을 개방 온도(T o )와 비교하고, 제 1 냉각수온이 개방 온도(T o )보다 낮을 경우에는 제 2 냉각수온의 변화율(ΛT 2 )과 제 1 기준치(T r1 )를 비교하여 제 2 냉각수온의 변화율(ΛT 2 )이 제 1 기준치(T r1 ) 보다 크면 서모스탯이 고장인 것으로 판단하며, 제 1 냉각수온(T 1 )이 개방 온도(T o )보다 높을 경우에는 제 2 냉각수온의 변화율(ΛT 2 )과 제 2 기준치(T r2 )를 비교하여 제 2 냉각수온의 변화율(ΛT 2 )이 제 2 기준치(T r2 ) 보다 작으면 서모스탯이 고장인 것으로 판단하는 단계; 및 단계에서 서모스탯이 고장인 것으로 판단되면 경보 장치를 작동시켜 운전자에게 경고하는 단계를 포함한다. The present invention relates to a method for diagnosing a failure of a thermostat which controls the circulation of cooling water for cooling the engine of a motor vehicle. According to the method of the present invention, the rate of change of the first cooling water temperature T 1 and the second cooling water temperature ΛT 2 from the first cooling water temperature sensor installed in the water jacket and the second cooling water temperature sensor installed in the cooling water passage of the radiator, respectively Detecting c); The first cooling water temperature (T 1 ) is compared with the opening temperature (T o ), and when the first cooling water temperature is lower than the opening temperature (T o ), the rate of change (ΛT 2 ) and the first reference value (T) of the second cooling water temperature (T o ). By comparing r1 ), if the change rate ΛT 2 of the second cooling water temperature is greater than the first reference value T r1 , it is determined that the thermostat is broken, and the first cooling water temperature T 1 is greater than the opening temperature T o . when high, is less than the second rate of change of cooling water temperature (ΛT 2) and the second reference value (T r2) for the rate of change (ΛT 2) the second reference value (T r2) of the second cooling water temperature as compared to a thermostat failure Judging by; And warning the driver by ...

Control method of engine circulating coolant and the control system thereof

본 발명의 실시예에 따른 엔진 순환 냉각수의 제어방법은, 엔진의 냉각수 입구측을 흐르는 냉각수의 기준입구온도를 선택하는 단계, 상기 기준입구온도를 기준으로 냉각수제어 밸브유닛의 개도율을 제어하는 단계, 상기 엔진의 냉각수 입구측을 흐르는 냉각수의 실제입구온도를 감지하는 단계, 상기 엔진의 냉각수 출구측을 흐르는 냉각수의 실제출구온도를 감지하는 단계, 및 상기 실제입구온도와 상기 실제출구온도 사이의 차이값을 연산하는 단계, 상기 차이값의 크기에 따라서 상기 기준입구온도를 가변시킬 수 있다. The control method for the engine circulation cooling water according to the embodiment of the present invention includes the steps of selecting a reference inlet temperature of cooling water flowing on the cooling water inlet side of the engine, controlling the opening ratio of the cooling water control valve unit on the basis of the reference inlet temperature Sensing the actual inlet temperature of the cooling water flowing through the inlet side of the engine, sensing the actual outlet temperature of the cooling water flowing through the outlet side of the engine, and determining the difference between the actual inlet temperature and the actual outlet temperature The reference inlet temperature can be varied according to the magnitude of the difference value.

Motor-assisted turbo-cooling system for internal combustion engines

모터 보조식 터보팬을 합체한 내연 기관 냉각 시스템이 개시되어 있다. 터빈 구동 팬은 요구되는 냉각 공기 유동을 제공하도록 외부 전원으로부터 터빈 팬 축에 부착된 모터에 에너지를 공급하여 회전 속도가 증가된다. 본발명의 냉각 공기 시스템은 하나 이상의 열 교환기에 냉각 공기를 공급하는 덕트형 팬을 또한 포함하며, 모터 동작 신호를 제공하는 엔진 속도 센서, 모터 동작 신호를 제공하는 열 교환기의 하류에 위치한 유동 센서, 및 냉각 회로를 전체를 통해 배치된 온도 센서로부터 입력을 통해 제어된다.

Internal combustion engine cooling system

For carrying out the method and system of coolant temperature control in vehicle propulsion system

一种车辆推进系统，该车辆推进系统包括：原动机，该原动机具有冷却剂进口和冷却剂出口；冷却剂控制阀，该冷却剂控制阀具有与原动机冷却剂出口连通的阀进口、第一阀出口、以及第二阀出口；旁通流路，该旁通流路与第一阀出口和原动机冷却剂进口连通；热交换流路，该热交换流路与第二阀出口和原动机进口连通；热交换器，该热交换器处于热交换流路中；第一温度传感器，该第一温度传感器处于旁通流路中以用于生成第一温度信号；第二温度传感器，该第二温度传感器处于热交换流路中以用于生成第二温度信号；以及控制器，该控制器用于使用标准化增益系数来向冷却剂控制阀提供冷却剂控制阀命令信号。

Internal combustion engine

FIELD: engine engineering. SUBSTANCE: engine has at least one cylinder 1 wherein piston 2 is mounted for movement, cooling system of cylinder which includes cooling spaces of cylinder 5, pump 3 for supplying cooling fluid, and actuator 5 for control of flow rate of cooling fluid in cooling system of cylinder, and cooling system of the piston which includes cooling spaces 13, pump 7 for supplying cooling oil, and actuator 8 for control of flow rate of cooling oil in cooling system of the piston. The engine has also control unit 24, pickup 6 of cylinder temperature and pickup 18 of piston temperature. Pickup 18 can be mounted at outlet of the piston cooling system. The pickups 6,18 and actuators 5,8 are connected to control unit 24. EFFECT: enhanced operational capabilities. 2 cl, 3 dwg

Thermostat for autocar

본 발명은 자동차용 수온조절기에 관한 것으로서, 특히, 냉각수 유입구와 배출구를 갖는 엔진; 상기 냉각수 유입구를 통해 상기 엔진에 냉각수를 공급하는 물펌프; 상기 엔진에서 열을 흡수한 순환 냉각수를 냉각하기 위한 라디에이터; 상기 물펌프와 라디에이터 사이의 제 1 냉각수 통로와, 상기 제 1 냉각수 통로와 결합하는 제 2 냉각수 통로에 설치되어 수온의 변화를 감지하는 복수의 온도감지센서; 상기 제 2 냉각수 통로와 연결되고, 순환 냉각수로부터 열을 방출하는 열교환기; 및 상기 엔진의 냉각수 배출구, 상기 라디에이터의 유입구 및 상기 히터의 유입구 각각에 연결되어 통로를 형성하고, 상기 제 2 냉각수 통로와 연결되어 순환 냉각수를 바이패스 시키는 바이패스 통로를 갖고, 상기 복수의 온도감지센서의 온도감지신호에 응답하여 작동하는 회전자에 의해 냉각수 순환경로를 결정하는 밸브를 구비하는 것을 특징으로 한다. 따라서, 각종 엔진 운전조건에 따라 밸브의 순환경로를 전자적으로 제어함으로써, 유동적인 냉각수 온도에 작동할 수 있을 뿐만 아니라 냉각수 히팅 타임을 줄일 수 있고, 또한 연소실 주변온도를 낮출 수 있기 때문에 연비가 향상되고, 연비가 향상됨에 따라 매연도 줄어들게 되므로 환경보존에 효과가 있다. The present invention relates to a water temperature controller for an automobile, in particular, an engine having a cooling water inlet and an outlet; A water pump supplying coolant to the engine through the coolant inlet; A radiator for cooling the circulation cooling water absorbing heat from the engine; A plurality of temperature sensing sensors installed in a first cooling water passage between the water pump and the radiator and a second cooling water passage coupled to the first cooling water passage to sense a change in water temperature; A heat exchanger connected to the second cooling water passage and dissipating heat from the circulating cooling water; And a bypass passage connected to each of the cooling water outlet of the engine, the inlet of the radiator, and the inlet of the heater, and having a bypass passage connected to the second cooling water passage to bypass the circulating cooling water. And a valve configured to determine a cooling water circulation path by a rotor that operates in response to the temperature sensing signal of the sensor. Therefore, by electronically controlling the circulation path of the valve according to various engine operating conditions, it is possible to operate not only at the fluid coolant temperature but also to reduce the coolant heating time and to lower the combustion chamber ambient temperature, ...

Cooling water circulation device for internal combustion engine

Variable speed fan drive for engine cooling system - employing hydraulic fan motor and programmable control circuit

The main application is to heavy wheeled or tracked vehicles, usually with a main engine for propulsion and an auxiliary engine as a power source for peripheral equipment. In order to limit the power demand for the fan (3) of the engine (2) cooling system the fan speed is made independent of the engine speed. In a typical application a small computer (8) calculates the delivery from a variable displacement pump (7) coupled to the engine shaft. The hydraulic fluid is used to drive the fan motor (6) at the speed selected by the computer. Signals to the computer are engine speed (5), engine temperature (4), intended operating condition of the vehicle (10), and stored fixed parameters (10). The pump is normally servo controlled and its output condition is fed to a comparator (9), together with the condition demand by the computer, to regulate the servo loop.

Internal combustion engine cooling system

Engine cooling system using two theromstat

본 발명은 2개의 서모스텟을 이용한 엔진 냉각 시스템에 관한 것으로, 실린더 블록과 실린더 헤드에 공급되는 냉각수를 별도의 공급 라인을 통해 공급하고, 실린더 블록에 정체된 냉각수가 일정 온도 이상이 되면 실린더 블록으로부터 배출되는 냉각수가 실린더 헤드의 출구측으로 바이패스되도록 구성함으로써, 실린더 블록에서 냉각수의 흐름을 지연시켜 엔진 마찰력을 감소시킬 수 있을 뿐만 아니라 연비를 향상시킬 수 있는 2개의 서모스텟을 이용한 엔진 냉각 시스템을 제공한다. The present invention relates to an engine cooling system using two thermostats. The cooling water supplied to the cylinder block and the cylinder head is supplied through a separate supply line, and when the cooling water stagnated in the cylinder block reaches a predetermined temperature or more, By discharging the cooling water discharged to the outlet side of the cylinder head, it is possible to delay the flow of the cooling water in the cylinder block to reduce the engine friction force and to provide an engine cooling system using two thermostats that can improve fuel economy. do. 이를 실현하기 위한 본 발명은 종래의 엔진 냉각 시스템에 있어서, 상기 냉각수 펌프로부터 공급된 냉각수는 실린더 헤드와 실린더 블록에 각각 별도의 라인으로 공급되고, 상기 실린더 헤드의 냉각수 출구측 라인에는 메인 서모스텟이 구비되며, 상기 실린더 블록의 냉각수 출구측 라인에는 보조 서모스텟이 구비되어 있으면서 상기 실린더 헤드의 출구측 라인에 연결되어 있되, 상기 메인 서모스텟은 보조 서모스텟보다 낮은 작동 온도에서 작동이 이루어지고, 상기 보조 서모스텟은 닫혀진 상태에서 냉각수의 일부를 실린더 블록의 냉각수 출구측 라인에 공급하도록 구성된다. According to the present invention for realizing this, in the conventional engine cooling system, the coolant supplied from the coolant pump is supplied to the cylinder head and the cylinder block in separate lines, and the main thermostat is provided in the coolant outlet side line of the cylinder head. The cooling water outlet line of the cylinder block is provided with an auxiliary thermostat and is connected to the outlet line of the cylinder head, wherein the main thermostat is operated at a lower operating temperature than the auxiliary thermostat. The auxiliary thermostat is configured to supply a portion of the coolant to the coolant outlet side line of the cylinder block in the closed state.

Method for adjustment of radiator grille gate opening, control method of air flow control device in engine front part (embodiments)

FIELD: machine building. SUBSTANCE: invention relates to engine cooling system. Disclosed are methods and systems of control of radiator grille gate opening based on design value of oil dilution with fuel. In one example, the method may provide for the opening of the radiator grille opening to the closed position in response to the fact that the oil dilution value is greater than the threshold value, wherein position is determined based on value of dilution of oil in addition to temperature of coolant, and to acceleration/deceleration. EFFECT: invention provides higher accuracy of coolant temperature control and fuel saving. 20 cl, 8 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 710 637 C2 (51) МПК F01M 1/16 (2006.01) F01M 13/00 (2006.01) F01M 5/00 (2006.01) F01P 7/02 (2006.01) F01P 7/10 (2006.01) F01P 7/12 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (52) СПК F01M 1/16 (2019.08); F01M 1/18 (2019.08); F01M 13/00 (2019.08); F01M 5/001 (2019.08); F01P 7/10 (2019.08); F01P 7/12 (2019.08) (21)(22) Заявка: 2015155205, 23.12.2015 23.12.2015 Дата регистрации: 30.12.2019 (73) Патентообладатель(и): Форд Глобал Текнолоджиз, ЛЛК (US) 07.01.2015 US 14/591,789 (43) Дата публикации заявки: 29.06.2017 Бюл. № 19 (45) Опубликовано: 30.12.2019 Бюл. № 1 2 7 1 0 6 3 7 R U (54) СПОСОБ РЕГУЛИРОВАНИЯ ОТКРЫТИЯ ЗАСЛОНКИ РЕШЕТКИ РАДИАТОРА, СПОСОБ УПРАВЛЕНИЯ УСТРОЙСТВОМ РЕГУЛИРОВАНИЯ ПОТОКА ВОЗДУХА В ПЕРЕДНЕЙ ЧАСТИ ДВИГАТЕЛЯ (ВАРИАНТЫ) (57) Реферат: Изобретение относится к системе охлаждения разжижения масла превышает пороговое двигателя автомобиля. Предложены способы и значение, при этом положение определяют на системы регулирования открытия заслонки основе величины разжижения масла в дополнение решетки радиатора на основе расчетной величины как к температуре хладагента, так и к ускорению/ разжижения масла топливом. В одном примере замедлению. Изобретение обеспечивает способ может предусматривать регулирование повышение точности контроля ...

Device for temperature regulation in liquid cooling system of internal combustion engine

Failure detection device for cooling device of internal combustion engine

COOLING DEVICE OF AN INTERNAL COMBUSTION ENGINE

THERMAL REGULATION SYSTEM INTENDED FOR A MOTOR VEHICLE

SYSTEME DE REGULATION THERMIQUE DESTINE A UN VEHICULE AUTOMOBILE L’invention concerne un système de régulation thermique (100) destiné à un véhicule automobile comprenant au moins un premier échangeur thermique (110) et au moins un deuxième échangeur thermique (120) agencés à distance l’un de l’autre et configurés pour être traversés, successivement, par un flux d’air principal (FA), caractérisé en ce que le système de régulation thermique (100) comprend au moins un orifice (102) de passage d’air agencé en aval du premier échangeur thermique (110) et en amont du deuxième échangeur thermique (120) par rapport à un sens de circulation du flux d’air principal (FA). The invention relates to a thermal regulation system (100) intended for a motor vehicle comprising at least a first heat exchanger (110) and at least a second heat exchanger (120) arranged remotely. 'one from the other and configured to be crossed, successively, by a main air flow (FA), characterized in that the thermal regulation system (100) comprises at least one orifice (102) for the passage of air arranged downstream of the first heat exchanger (110) and upstream of the second heat exchanger (120) with respect to a direction of circulation of the main air flow (FA).

COOLING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE HAVING TWO DISTINCT RADIATOR PARTS.

Water cooling by backflow in combustion engines

THERMAL REGULATION SYSTEM INTENDED FOR A MOTOR VEHICLE

SYSTEME DE REGULATION THERMIQUE DESTINE A UN VEHICULE AUTOMOBILE L’invention concerne un système de régulation thermique (100) destiné à un véhicule automobile comprenant au moins un premier échangeur thermique (110) et au moins un deuxième échangeur thermique (120) agencés à distance l’un de l’autre et configurés pour être traversés, successivement, par un flux d’air principal (FA), caractérisé en ce que le système de régulation thermique (100) comprend au moins un orifice (102) de passage d’air agencé en aval du premier échangeur thermique (110) et en amont du deuxième échangeur thermique (120) par rapport à un sens de circulation du flux d’air principal (FA). THERMAL REGULATION SYSTEM INTENDED FOR A MOTOR VEHICLE The invention relates to a thermal regulation system (100) for a motor vehicle comprising at least a first heat exchanger (110) and at least a second heat exchanger (120) arranged at a distance from each other and configured to be crossed, successively, by a main air flow (FA), characterized in that the thermal regulation system (100) comprises at least one orifice (102) for the passage of air arranged downstream of the first heat exchanger (110 ) and upstream of the second heat exchanger (120) with respect to a direction of circulation of the main air flow (FA).

Cooling device for a heat engine fitted with a condenser.

Une vanne thermostatique à trois voies ( ) permet à une fraction du débit de fluide de refroidissement sortant du moteur (1) d'un véhicule, fonction décroissante de la température du fluide, de court-circuiter le condenseur (2). De plus, une second vanne thermostatique (36) à fermeture progressive, lorsque la vanne à trois voies est dans sa position obligeant le fluide en phase liquide à traverser le condenseur, permet encore le passage d'une certaine quantité de fluide hors de celui-ci de façon que le fluide renvoyé vers le moteur et passant dans un radiateur de chauffage (17) soit à une température suffisante pour assurer un chauffage efficace de l'habitacle du véhicule. A three-way thermostatic valve () allows a fraction of the flow of coolant leaving the engine (1) of a vehicle, a decreasing function of the temperature of the fluid, to bypass the condenser (2). In addition, a second thermostatic valve (36) with progressive closing, when the three-way valve is in its position forcing the fluid in liquid phase to pass through the condenser, still allows a certain quantity of fluid to pass out of it. ci so that the fluid returned to the engine and passing through a heating radiator (17) is at a temperature sufficient to ensure efficient heating of the vehicle interior.

IC engine cooling system - has pump driven by electric motor with control circuit receiving constant voltage input and variable input from temp. transducer

A pump (4) circulates cooling water through an internal combustion engine (1). The water coming from the engine is cooled in a radiator (2) by heat exchange with air which is blown over the radiator by a fan (8). A thermostatically controlled three way valve (5) between the pump and the radiator can bypass water round the radiator to prevent excessive cooling. The water pump (4) is driven by a variable speed electric motor (11). The motor is energised b a control circuit (13) which has a constant voltage input to serve as a reference base and a variable input from a temperature transducer (12) on the engine. The pump speed is thus governed to maintain optimum combustion temperature for efficiency and a clean exhaust.

SELF-PURIFYING EXCHANGER FOR ENGINE COOLING CIRCUITS

Method for cooling the engine and air conditioning of vehicles and device for implementing it

Device for cooling the engine and air conditioning of a vehicle, characterised in that it includes a composite exchanger (5) of the type having tubes and dissipators or of the type having plates and bars, the tubes or pipes being separated into two bundles (13a, 14a) by a transverse partition (12), at least one thermostatic valve being mounted upstream of an outlet tube (7) in order to favour circulation through the bundle (13a).

Cooling water circuit for IC engine - has control set by vehicle computer with temp. inputs regulating variable speed motors

Cooling water is circulated through the engine (1) by a pump (4) driven by a variable speed motor (12). It flows through a radiator (3) which has a bypass (6) controlled by a three way valve (5). The valve is operated by a capillary type bellows which is made to expand by a heater coil (8). The radiator cooling fan (9) is driven by a variable speed motor (10). Temp. detectors (14, 15) in the radiator the engine provide inputs to a computer (16). The computer output provides control signals for the two variable speed motors (12, 10) and the three way valve operating coil (8). The control signals are adjusted to maintain the engine temp. at a preset optimum value for efficient combustion.

Cooling system for an internal combustion engine including two separate radiator parts

The cooling circuit comprises one or two pumps 7, 12 entraining a liquid, a main liquid/air exchanger 4, a secondary liquid/oil exchanger 3, through which on the one hand the liquid and, on the other hand, the lubrication oil of the engine flow, and a circuit 2 internal with the engine, through which the liquid flows. The main exchanger 4 comprises two separate zones, a main zone 5 forming part of a main cooling circuit including the circuit 2 internal to the engine and a secondary zone 6 forming part of a branched-off cooling circuit including the secondary exchanger 3. Means are provided in the two aforementioned zones of the main exchanger 4 for altering the respective flow rates in the main and branch-off cooling circuit.

MOTOR VEHICLE RADIATOR PROVIDED WITH A FLUID CIRCULATION CONTROL DEVICE.

Radiateur de refroidissement du moteur thermique d'un véhicule automobile, comprenant deux obturateurs mobiles (15, 16) associés à une même boîte à fluide (1) et entraînés par un même actionneur (17) en fonction de la température du moteur. Un premier obturateur (16) ferme l'entrée de la boîte à fluide pour interdire toute circulation dans le radiateur lorsque le moteur est froid. Le second obturateur (15) commande une ouverture (5) dans une cloison intermédiaire (4) de la boîte à fluide de façon qu'une fraction variable (f3) du débit de fluide dans le radiateur, lorsque le premier obturateur est ouvert, soit déviée par cette ouverture (5) et ne passe pas dans les tubes (10, 11) du radiateur. Ce radiateur remplit la fonction de calorstat, et assure en outre un réglage de sa propre efficacité en fonction de la charge du moteur. Radiator for cooling the heat engine of a motor vehicle, comprising two movable shutters (15, 16) associated with the same fluid box (1) and driven by the same actuator (17) as a function of the temperature of the engine. A first shutter (16) closes the inlet of the fluid box to prevent any circulation in the radiator when the engine is cold. The second shutter (15) controls an opening (5) in an intermediate partition (4) of the fluid box so that a variable fraction (f3) of the fluid flow in the radiator, when the first shutter is open, is deflected by this opening (5) and does not pass through the tubes (10, 11) of the radiator. This radiator fulfills the function of calorstat, and also ensures an adjustment of its own efficiency according to the load of the engine.

DEVICE FOR CONTROLLING THE TEMPERATURE OF THE COOLING WATER OF A WATER COOLING ENGINE

CE DISPOSITIF COMPREND UN CONDUIT DE DERIVATION 5 POUR EVITER LE THERMOSTAT 4, UNE SOUPAPE 6 DE DERIVATION DANS LE CONDUIT 5 POUR FERMER CE DERNIER ET UNE ELECTRO-VANNE 13 POUR ACTIONNER LA SOUPAPE 6. DES CIRCUITS DE COMMUTATION SONT RELIES EN PARALLELE A UN ELECTRO-AIMANT DE L'ELECTRO-VANNE 13. LES CIRCUITS DE COMMUTATION COMPRENNENT UN INTERRUPTEUR THERMOSENSIBLE 20 FONCTIONNANT EN REPONSE A UNE FAIBLE TEMPERATURE DE L'EAU DE REFROIDISSEMENT POUR ACTIONNER L'ELECTRO-VANNE 13 ET FERMER LA SOUPAPE DE DERIVATION 6, ET UN INTERRUPTEUR 21 SENSIBLE A LA DEPRESSION REGNANT DANS LE CONDUIT D'ADMISSION 8 POUR UNE CHARGE IMPORTANTE DU MOTEUR, AFIN D'ACTIONNER L'ELECTRO-VANNE 13 ET LA SOUPAPE DE DERIVATION 6, DE SORTE QUE LA TEMPERATURE DE L'EAU DE REFROIDISSEMENT EST COMMANDEE EN FONCTION DU FONCTIONNEMENT DU MOTEUR. THIS DEVICE INCLUDES A BYPASS DUCT 5 TO AVOID THERMOSTAT 4, A BYPASS VALVE 6 IN THE DUCT 5 TO CLOSE THE LATTER AND A SOLENOID VALVE 13 TO ACTUATE VALVE 6. SWITCHING CIRCUITS ARE CONNECTED IN PARALLEL TO AN ELECTRO -SELF-VALVE MAGNET 13. THE SWITCHING CIRCUITS INCLUDE A THERMO-SENSITIVE SWITCH 20 OPERATING IN RESPONSE TO LOW COOLING WATER TEMPERATURE TO ACTUATE SOLENOID VALVE 13 AND CLOSE BYPASS VALVE 6, AND A SWITCH 21 SENSITIVE TO THE VACUUM IN THE INTAKE DUCT 8 FOR A LARGE ENGINE LOAD, IN ORDER TO ACTUATE SOLENOID VALVE 13 AND BYPASS VALVE 6, SO THAT THE COOLING WATER TEMPERATURE IS CONTROLLED ACCORDING TO ENGINE OPERATION.

MOTOR VEHICLE COMPRISING RECIRCULATED GAS CIRCUIT COOLED AT LOW TEMPERATURE

Cooling equipment for motor vehicle heat engine

The cooling equipment drives cooling fluid through the vehicle engine (M) by an electric pump (30) which operates independently. The fluid is cooled in a radiator (20) equipped with an electric fan (32) and also operates the vehicle heating system (26,28). The radiator electric fan (32) is controlled (C1) by a sensor (36) located in the radiator (20) such that it is switched on and off at upper and lower radiator temperature thresholds. The cooling fluid pump (30) is controlled (C2) by a second sensor (38) in the vehicle engine to switch on and off at upper and lower engine temperatures.

DEVICE FOR ANALYZING THE EFFICIENCY OF A COOLING SYSTEM OF A MOTOR VEHICLE

Patent FR2455173B2

Improvements to liquid cooling circuits for internal combustion engines.

DEVICE AND METHOD FOR CONTROLLING THE COOLING CIRCUIT OF INTERNAL COMBUSTION ENGINES.

Patent FR2384106B1

Patent FR2222530B2

Purging of air from automobile radiator - uses vent tube connecting upper part of inner tank to lower part of outer tank

The radiator of an automobile engine has horizontal tubes (1) attached to header plates (2,3). The header plates form part of the end tanks (5,6) respectively. One of the end tanks (6) is divided into two parts (8,9) by a vertical wall (7) with a hole (13). This hole (13) causes a pressure difference across the wall when the cooling water is circulated by the pump. Any air bubbles which collect in the inner part (8) of the end tank (6) are driven out through the vent pipe (15) which extends from the upper end of the inner tank (8) to the lower part of the outer tank (9).

Cooler for automatic gear box of engine of car, has control system for controlling water supply at exit of engine to modify water flow in exchanger according to values of temperature of water in engine and temperature of oil in gear box

La présente invention concerne un dispositif de refroidissement d'une boîte de vitesses (1) d'un moteur (2) d'un véhicule automobile au moyen d'un échangeur de chaleur eau/huile (3) intégré dans la boîte de vitesses (1) avec un débit d'eau variable, comprenant un système de pilotage de distribution de l'eau en sortie moteur (2) modifiant le débit d'eau dans cet échangeur de chaleur eau/huile (3) en fonction des valeurs mesurées de la température de l'eau dans le moteur (2) et de la température de l'huile dans la boîte de vitesses (1). La présente invention concerne également un procédé de refroidissement d'une boîte de vitesses d'un moteur d'un véhicule automobile.

WATER RECOVERY DEVICE FOR A CURRENT GENERATION FUEL CELL SYSTEM ON BOARD A VEHICLE

L'invention concerne un dispositif de récupération de l'eau pour un système à piles à combustible de génération de courant de bord (8) dans un véhicule. Selon l'invention, le circuit de refroidissement (1) du radiateur de véhicule (6) et/ ou de l'installation de climatisation est couplé, par l'intermédiaire d'un échangeur de chaleur (7), à au moins un écoulement de gaz d'échappement émanant du système de pile à combustible de génération de courant de bord (8).

Cooling device for a thermal engine of a motor vehicle.

HEAT EXCHANGER, ESPECIALLY FOR A COOLING CIRCUIT OF A MOTOR VEHICLE ENGINE

L'INVENTION CONCERNE UN ECHANGEUR DE CHALEUR, PAR EXEMPLE POUR UN CIRCUIT DE REFROIDISSEMENT D'UN MOTEUR DE VEHICULE AUTOMOBILE, COMPRENANT UNE SOUPAPE SENSIBLE A LA TEMPERATURE POUR COMMANDER LE PASSAGE DU LIQUIDE DE REFROIDISSEMENT DU MOTEUR DANS DES PREMIER ET SECOND CIRCUITS DE L'ECHANGEUR. LA BOITE A EAU 11 DE L'ECHANGEUR, COMPORTANT LA TUBULURE D'ENTREE DE L'ECHANGEUR, CONTIENT UN BOITIER INTERNE 25 DELIMITANT DEUX CHAMBRES 18 ET 19 DEFINISSANT DEUX CIRCUITS EN PARALLELE DANS L'ECHANGEUR, ET UN PASSAGE 21 ENTRE CES DEUX CHAMBRES, OBTURE PARUN CLAPET 40 COMMANDE PAR LADITE SOUPAPE 46 EN FONCTION DE LA TEMPERATURE DU LIQUIDE DE REFROIDISSEMENT. L'INVENTION S'APPLIQUE NOTAMMENT AUX RADIATEURS DES VEHICULES AUTOMOBILES.

Purging of air from automobile radiator - uses vent tube connecting upper part of inner tank to lower part of outer tank

The radiator of an automobile engine has horizontal tubes (1) attached to header plates (2,3). The header plates form part of the end tanks (5,6) respectively. One of the end tanks (6) is divided into two parts (8,9) by a vertical wall (7) with a hole (13). This hole (13) causes a pressure difference across the wall when the cooling water is circulated by the pump. Any air bubbles which collect in the inner part (8) of the end tank (6) are driven out through the vent pipe (15) which extends from the upper end of the inner tank (8) to the lower part of the outer tank (9).

ENGINE COOLING FLUID OUTPUT HOUSING

L'invention porte sur un boîtier (1) de sortie d'un fluide de refroidissement destiné à un circuit de refroidissement d'un moteur (14) thermique de véhicule automobile, le boîtier (1) comprenant des premières entrée et sortie destinées à déboucher respectivement dans une première conduite d'entrée ou de sortie (20, 21) en provenance ou vers un radiateur (2) du circuit et une deuxième sortie destinée à être raccordée à une deuxième conduite de sortie (40) débouchant dans une portion d'entrée (15a) de circuit interne au moteur (14), le boîtier (1) comprenant une deuxième entrée (41) destinée à la relier à une portion de sortie (15c) du circuit interne au moteur (14). Le boîtier (1) comprend intérieurement une vanne (6) de pilotage du débit à la deuxième entrée, un thermostat (12) obturant ou ouvrant au moins partiellement la première sortie et un clapet de pression (13) disposé au voisinage de la deuxième sortie. The invention relates to a housing (1) for the output of a cooling fluid for a cooling circuit of a motor vehicle heat engine (14), the housing (1) comprising first inlets and outlets intended to open respectively in a first inlet or outlet pipe (20, 21) to or from a radiator (2) of the circuit and a second outlet intended to be connected to a second outlet pipe (40) opening into a portion of internal motor input (15a) to the motor (14), the housing (1) comprising a second input (41) for connecting it to an output portion (15c) of the internal circuit of the motor (14). The housing (1) internally comprises a valve (6) for controlling the flow rate at the second inlet, a thermostat (12) closing or opening at least partially the first outlet and a pressure valve (13) disposed in the vicinity of the second outlet .

DEVICE FOR ANALYZING THE EFFICIENCY OF A COOLING SYSTEM OF A MOTOR VEHICLE ENGINE

The invention relates to a device for analysing the effectiveness of a liquid coolant loop of an automobile engine (M). Said loop comprises a cooling radiator (R) which is provided with an entrance (E) and an exit (S). According to the invention, the analysing device comprises a first (C1) and a second (C2) sensor which are located at the entrance and exit of the radiator (R), for determining the temperatures of the liquid coolant entering and exiting the radiator (R). Said sensors are connected to means for representing a comparison of these temperatures.

Cooling system for spark ignition two-stroke engine.

LIQUID COOLING SYSTEM FOR SUPERIOR INTERNAL COMBUSTION ENGINE

SYSTEME DE REFROIDISSEMENT A LIQUIDE POUR MOTEUR A COMBUSTION INTERNE SURALIMENTE. LE TURBOCOMPRESSEUR 20 D'UN MOTEUR A COMBUSTION INTERNE EST RELIE A SON INSTALLATION DE REFROIDISSEMENT A CIRCULATION FORCEE ACTIVE EN COURS DE FONCTIONNEMENT. POUR EMPECHER LA SURCHAUFFE DU TURBOCOMPRESSEUR APRES L'ARRET DU MOTEUR, IL COMPORTE UN AUTRE CIRCUIT DE REFROIDISSEMENT MAINTENU PAR EFFET DE THERMOSIPHON. COMME ECHANGEUR DE CHALEUR POUR REFROIDIR LE LIQUIDE DE REFROIDISSEMENT, ON UTILISE UN RESERVOIR DE DETENTE 16 SITUE DANS LE CIRCUIT DE REFROIDISSEMENT DU MOTEUR, REALISE EN FONCTION DE CETTE UTILISATION. LIQUID COOLING SYSTEM FOR SUPERCHARGED INTERNAL COMBUSTION ENGINE. THE TURBOCHARGER 20 OF AN INTERNAL COMBUSTION ENGINE IS CONNECTED TO ITS FORCED CIRCULATION COOLING SYSTEM ACTIVE DURING OPERATION. TO PREVENT THE TURBOCHARGER FROM OVERHEATING AFTER STOPPING THE ENGINE, IT INCLUDES ANOTHER COOLING CIRCUIT MAINTAINED BY THE THERMOSIPHON EFFECT. AS A HEAT EXCHANGER TO COOL THE COOLING LIQUID, AN EXPANSION TANK 16 IS USED IN THE ENGINE COOLING CIRCUIT, MADE ACCORDING TO THIS USE.

Motor vehicle heat exchange management system

The vehicle heat exchange control has a closed coolant circuit with a branch (5) with a coolant/oil heat exchanger (6), and a second branch (7) for the passenger compartment air heater (8). The coolant flow is via a computer- controlled valve (10) which has one position in which the coolant is circulated round the engine (2) alone for faster warming-up. In other positions the heated coolant is fed to the radiator and passenger compartment heater.

Device and method for monitoring the cooling circuit of internal combustion engines

The invention relates to a method and to a device for monitoring the operating state of a cooling circuit of an internal combustion engine. Figure 1 shows the engine (7) (8) having a cooling circuit with a radiator (3), connections to this radiator, a thermostatic valve (9), a fan (4), a pressure cap (5), a circulation pump (10). When a monitoring and recording circuit is chilled at the points (1) of the circuit, parameters are obtained which can be used to conclude whether the elements of the circuit are operating correctly or incorrectly, use being either human, or by means of a computer system.

DEVICE FOR CONTROLLING THE TEMPERATURE OF THE COOLING WATER OF A WATER COOLED ENGINE

CE DISPOSITIF COMPREND UN CONDUIT 5 DE DERIVATION METTANT UN THERMOSTAT 4 EN DERIVATION, UNE SOUPAPE 6 DE DERIVATION POUR FERMER LE CONDUIT 5, ET UNE ELECTRO-VANNE 13 POUR ACTIONNER LA SOUPAPE 6. DES CIRCUITS DE COMMUTATION SONT RELIES EN PARALLELE AVEC L'ELECTRO-VANNE 13. CES CIRCUITS COMPRENNENT UN INTERRUPTEUR 20 SENSIBLE A UNE FAIBLE TEMPERATURE DE L'EAU DE REFROIDISSEMENT, UN INTERRUPTEUR 22 SENSIBLE A UNE TEMPERATURE ELEVEE DE L'EAU DE REFROIDISSEMENT ET UN INTERRUPTEUR 23 SENSIBLE AU FONCTIONNEMENT DU MOTEUR SOUS FAIBLE CHARGE, TOUS CES INTERRUPTEURS ACTIONNANT L'ELECTRO-VANNE 13 POUR FERMER LA SOUPAPE 6 DE DERIVATION, ET UN INTERRUPTEUR 21 D'APPAREIL DE CHAUFFAGE QUI EST RELIE EN SERIE A L'INTERRUPTEUR 22 DE SORTE QUE LA TEMPERATURE DE L'EAU DE REFROIDISSEMENT EST COMMANDEE EN FONCTION DU FONCTIONNEMENT DU MOTEUR ET DE CELUI DE L'APPAREIL DE CHAUFFAGE DE L'ESPACE INTERIEUR DU VEHICULE.

Cooling system for motor vehicle IC engine

The cooling system includes a cooling radiator (10) and a circulation pump (4) as well as a thermally isolated reservoir (14) permanently containing an additional quantity of cooling liquid. The reservoir is mounted in parallel with a pipe (20) which is able to form part of the cooling circuit. This pipe includes a control valve (21). The first control valve (21) and two further control valves (15,16) at the inlet and outlet of the reservoir are used to control two different modes of operation whereby the additional liquid in the reservoir may be included in or excluded from the cooling circuit.

Vehicle engine has Exhaust Gas Recirculation (EGR) circuit equipped with supplementary cooler

The engine (1), equipped with an EGR circuit, has a separate cooler for the EGR circuit that is supplementary to the engine cooler and in the form of a heat exchanger (7) that cools an EGR coolant fluid, a heat exchanger (6) between the coolant fluid and recirculated exhaust gases, and a pump (8) to circulate the fluid between the two heat exchangers. The two heat exchangers and the pump are connected in series to produce a coolant fluid circulation loop.

Liq. cooled IC engine coolant cycle - has additional pump for matching circulation to heat release

The liquid cooled internal combustion engine has circulation pump between cooling liquid inlet and outlet. This circulation pump is designed to ensure matching of the coolant flow rate to the cooling demand over a wide rotating speed and loading range of the engine. An additional circulation pump (20) for the liquid coolant can be connected between coolant outlet (6) and inlet (37) or at the coolant overflow between cooling shells (4, 5) of the combustion chambers. The additional circulation pump (20) is controlled in relation to he time variation of the heat release of the engine. This is ensured by temperature sensor (18). The additional circulation pump is connected when the cooling liquid temp. is below the average operating temp.

THERMAL REGULATION SYSTEM INTENDED FOR A MOTOR VEHICLE

SYSTEME DE REGULATION THERMIQUE DESTINE A UN VEHICULE AUTOMOBILE L’invention concerne un système de régulation thermique (100) destiné à un véhicule, le système de régulation thermique (100) comprenant au moins un premier échangeur thermique (110) et au moins un deuxième échangeur thermique (120) agencés en série, le premier échangeur thermique (110) s’étendant principalement selon un premier plan (P1) sécant d’un deuxième plan (P2) selon lequel s’étend principalement le deuxième échangeur thermique (120) de sorte à générer un rapprochement du premier échangeur thermique (110) par rapport au deuxième échangeur thermique (120) à une première extrémité (111, 121) respective des deux échangeurs thermiques (110, 120) et un éloignement du premier échangeur thermique (110) par rapport au deuxième échangeur thermique (120) à une deuxième extrémité (112, 122) respective de ces deux échangeurs thermiques (110, 120). Figure de l’abrégé : Figure 2 THERMAL REGULATION SYSTEM INTENDED FOR A MOTOR VEHICLE The invention relates to a thermal regulation system (100) intended for a vehicle, the thermal regulation system (100) comprising at least a first heat exchanger (110) and at least a second heat exchanger (120) arranged in series, the first heat exchanger (110) extending mainly along a first plane (P1) secant from a second plane (P2) along which the second heat exchanger (120) mainly extends so to generate a bringing together of the first heat exchanger (110) relative to the second heat exchanger (120) at a respective first end (111, 121) of the two heat exchangers (110, 120) and a moving away from the first heat exchanger (110) by relative to the second heat exchanger (120) at a respective second end (112, 122) of these two heat exchangers (110, 120). Figure of the abstract: Figure 2

Control method for engine cooling fan

FIELD: engines and pumps. SUBSTANCE: method to reduce the corrosion of the charge air cooler and prevent misfiring due to the formation of condensate is provided. When condensation forms in the charge air cooler, the cooling fan of the vehicle engine is adjusted by moving the condensate formation area to another location in the charge air cooler. The operation of the fan can also be controlled depending on the operating conditions of the vehicle and the weather conditions conducive to condensation. EFFECT: improving engine cooling and optimizing fuel consumption. 23 cl, 9 dwg РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) (13) 2 638 695 C2 (51) МПК F01P 7/04 (2006.01) F02B 29/04 (2006.01) F02D 29/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ (21)(22) Заявка: 2013146802, 21.10.2013 (24) Дата начала отсчета срока действия патента: 21.10.2013 (72) Автор(ы): СТАЙЛС Дэниэл Джозеф (US), СУРНИЛЛА Гопичандра (US) (73) Патентообладатель(и): Форд Глобал Технолоджис, ЛЛК (US) Дата регистрации: (56) Список документов, цитированных в отчете о поиске: US 6681171 A1, 20.01.2004. US Приоритет(ы): (30) Конвенционный приоритет: 7685816 A1, 30.03.2010. RU 2450133 C1, 10.05.2012. RU 2449136 С1, 27.04.2012. 19.10.2012 US 13/656,471 (45) Опубликовано: 15.12.2017 Бюл. № 35 R U (54) СПОСОБ УПРАВЛЕНИЯ ВЕНТИЛЯТОРОМ ОХЛАЖДЕНИЯ ДВИГАТЕЛЯ (57) Реферат: Изобретение относится к охладителям область образования конденсата в другое место надувочного воздуха для двигателей внутреннего в охладителе наддувочного воздуха. Работой сгорания. Представлен способ снижения коррозии вентилятора также можно управлять в охладителя наддувочного воздуха и зависимости от рабочих условий транспортного предотвращения пропусков зажигания из-за средства и погодных условий, способствующих образования конденсата. При образовании образованию конденсата. Изобретение конденсата в охладителе наддувочного воздуха обеспечивает улучшение охлаждения двигателя выполняют регулировку ...

COOLING DEVICE FOR AN INTERNAL COMBUSTION ENGINE

Safety type multi-speed electromagnetic fan clutch control method

本发明涉及安全式多速电磁风扇离合器控制方法，控制装置通过温度传感器、转速传感器、压力传感器、电控模块、智能节油控制模块监测数据，并将监测到的数据与离合器中的设定值进行比较，再结合根据发动机实时转速分情况控制离合器在多档转速之间轻松切换。其目的在于提供一种使离合器真正实现零速运转、转速变化平稳可靠、转速滑差小的控制方法。