Abstract: A vehicle radiator may include a first header tank partitioned through a first barrier rib that is integrally formed at the inside to store a coolant to form a first chamber and a second chamber inside the first header tank, a second header tank disposed apart by a predetermined gap from the first header tank and partitioned through a second barrier rib that is integrally formed therein to correspond to the first barrier rib to form a third chamber and a fourth chamber, a plurality of first and second tubes that are mounted in a vertical direction at each separated position of each inside surface of the first header tank and the second header tank, heat diffusion fins, each of which are formed between the first tubes and the second tubes; and a condenser that is provided at the inside of the fourth chamber in the second header tank.

Abstract: A system and method of thermal management for an engine are provided. The system includes an engine, an electrical water pump, and a controller. The controller has a processor and tangible, non-transitory memory on which is recorded instructions. Executing the recorded instructions causes the processor to continuously monitor the temperature of the cylinder head and the temperature of the coolant. If the monitored temperatures of the cylinder head and the coolant are below predetermined thresholds, the processor executes a first control action, in which the pump remains off and the coolant remains stagnant. If either of the monitored temperatures of the cylinder head or coolant reaches the respective predetermined threshold, the controller initiates a second control action, which requires the controller to signal the pump to turn on and circulate coolant. The controller then determines the desired operating speed of the electrical water pump based on engine load.

Abstract: A method for controlling a fan. An ECU estimates the time for an engine to reach a substantially decreased engine load relative to a current engine load. The ECU determines whether the time to reach the substantially decreased engine load is within a threshold. And the ECU controls a fan operating characteristic based on whether the time is within the threshold.

Abstract: A pump current module determines a first current flowing through an electric engine coolant pump based on a coolant valve position. A current error module receives a second current flowing through the electric engine coolant pump measured using a current sensor and determines a current error based on a difference between the first current and the second current. A fault module indicates whether a fault is present based on the current error.

Abstract: A cryogenic turbine expander system which consists essentially of a cryogenic liquid pressure vessel, and the vessel further accommodating a turbine expander, an internal bypass configuration, which are operable in parallel, a three-way valve to direct incoming high pressure liquefied gas flow to the turbine expander, or the internal bypass configuration, which further consists a Joule-Thomson valve, when the turbine expander is not operational.

Abstract: The present invention relates to a control device for a radiator fan, in particular for a radiator fan of a motor vehicle, having an external control device which is designed to generate a controlled variable for an electric motor of the radiator fan according to a first predefined setpoint value, and having an internal control device which is designed to control the motor current of the electric motor of the radiator fan according to a predefined first motor current maximum value if the controlled variable which is generated by the external control device assumes such a value that the motor current exceeds the predefined first motor current maximum value. The present invention also relates to a radiator fan arrangement and to a method for controlling a radiator fan.

Abstract: A coolant control system of a vehicle includes a target pressure module and a thermostat valve control module. The target pressure module determines a target pressure of coolant in a coolant path between a thermostat valve and at least one of an engine oil heat exchanger and a transmission fluid heat exchanger. The thermostat valve control module closes the thermostat valve and blocks coolant flow out of an engine when a temperature of coolant within the engine is less than a predetermined temperature. When the temperature is greater than the predetermined temperature, the thermostat valve control module controls opening of the thermostat valve to the coolant path based on the target pressure.

Abstract: A cooler apparatus includes: a coolant passageway; a water pump that circulates coolant in the coolant passageway; a thermostat that includes a heater that heats a temperature sensitive portion; and a controller. The controller is configured to drive the water pump and cause electric current to flow through the heater at a first energization amount when an operation in which the coolant is injected into the coolant passageway is started. The controller is also configured to stop electric current to flow through the heater if the water pump races when the electric current flows through the heater at the first energization amount.

Abstract: A control method of an electrical thermostat that includes an operating heater heating wax so as to operate an operating valve that may be disposed to close a coolant passage according to an exemplary embodiment of may include detecting a coolant temperature of coolant circulating a coolant passage, determining whether the coolant temperature may be included in a predetermined heating temperature range, performing a coolant heating mode by supplying a predetermined level of power to the operating heater for a predetermined time, if the coolant temperature may be within the heating temperature range, and stopping the coolant heating mode in a condition that the operating valve may be closed.

Abstract: An internal combustion engine includes: a cylinder block having a block cooling water passage that supplies cooling water to a plurality of cylinder bores, and an inter-bore cooling water passage provided between cylinder bores that supplies cooling water between the cylinder bores; a cylinder head having a first cooling water passage to which cooling water is supplied from the block cooling water passage, and a second cooling water passage, which is provided independently from the first cooling water passage, and to which cooling water is supplied from the inter-bore cooling water passage; a heat exchanger; a first cooling water introducing part that leads cooling water, which is flown out from the first cooling water passage, to the heat exchanger; and a second cooling water introducing part that leads cooling water, which is flown out from the second cooling water passage, to a downstream side of the heat exchanger.

Abstract: An engine system may include a first cylindrical valve in which a first outlet is formed from an interior surface to an exterior surface thereof and a second cylindrical valve inserted into the first cylindrical valve, an exterior circumference thereof sliding on the interior circumference of the first cylindrical valve, wherein a second outlet is formed to the second cylindrical valve corresponding to the first outlet, and the second cylindrical valve is separately rotatable in the first cylindrical valve, a drive portion that is engaged to the first cylindrical valve and the second cylindrical valve and disposed to respectively rotate the first cylindrical valve and the second cylindrical valve, and a control portion that controls the drive portion depending on a driving condition such that an overlapped area of the first outlet and the second outlet is controlled and coolant flowing the overlapped area is controlled.

Abstract: Methods and systems are provided for separately providing liquid-cooling to a cylinder head and a cylinder block. In one example, a method includes selectively pumping coolant with a single pump to each of a first cylinder head coolant jacket and a cylinder block coolant jacket based on engine temperatures. The method further includes discharging coolant from the first cylinder head coolant jacket to a heating circuit line including a vehicle interior heater and discharging coolant from the cylinder block cooling jacket and back to the single pump.

Abstract: A coolant circulation system for an engine includes a cylinder block passage and a cylinder head passage, which are provided respectively in a cylinder block portion and a cylinder head portion of the engine. These two passages serve as passages through which a coolant flows to cool the cylinder block portion and the cylinder head portion. The cylinder block passage and the cylinder head passage are connected in parallel to each other. The coolant circulation system further includes a first heat exchanger connected to the cylinder block passage, a second heat exchanger connected to the cylinder head passage, a radiator connected to both the cylinder block passage and the cylinder head passage, and a control unit capable of controlling flow rates of the coolant flowing through the cylinder block passage and the cylinder head passage respectively.

Abstract: A fluid regulator for an engine coolant system includes a thermostat. The thermostat is configured to route engine coolant through an engine and a radiator in one mode and through the engine to bypass the radiator in another mode.

Abstract: A coolant control valve apparatus 10 includes a main valve 11 which adjusts a flow rate of a coolant in a main channel 4 to control the flow rate of the coolant in the main channel 4. Further, the coolant control valve apparatus 10 includes a detour channel 67 provided being diverged from the main channel 4 so as to detour the main valve 11. The coolant control valve apparatus 10 includes a valve main body 41 which opens and closes the detour channel 67 and a temperature detection medium 42 which can open and close the valve main body 41 according to a temperature of the coolant. The temperature detection medium 42 is disposed in the diverging part between the detour channel 67 and the bypass channel 5.

Abstract: The invention relates to a device for cooling a component (2) in a vehicle by means of a cooling air flow (4), wherein the device has at least one air inlet (11) and at least one air outlet (12), which are arranged such that the cooling air flow (4) is adjusted from the air inlet (11) to the air outlet (12) as a result of a difference in pressure produced during movement of the vehicle as a result of varying high flow velocities of the ambient air. The invention also relates to a method for cooling a component (2) in a vehicle by means of an above-named device.

Abstract: An exemplary cooling system includes, among other things, a first pump to supply coolant to a cylinder head or cylinder block of an engine, a second pump to supply coolant to a cylinder block or cylinder head of the engine. A control unit governs the first pump and second pump. Fluid return channels recirculate coolant to the pumps. The first and second pumps are arranged to backflow coolant through the engine.

Abstract: A temperature control arrangement for transmission oil in a motor vehicle comprises a coolant circuit which fluidly connects an internal combustion engine and a cooler. The coolant circuit includes a thermostat configured to direct at least a fraction of a coolant leaving the internal combustion engine back to the internal combustion engine, either directly or through the cooler. The temperature control arrangement is configured to direct some of the coolant, flowing back through the cooler or directly, first through the heat exchanger and then to the internal combustion engine. The thermostat is fluidly connected to an interior heater, to the cooler, and to a bypass configured to direct a fraction of the coolant directly back to the internal combustion engine, bypassing the cooler. A suitable method for controlling the temperature of transmission oil in a motor vehicle using a temperature control arrangement of this kind is furthermore indicated.

Abstract: Methods and systems are provided for expediting engine system heating by stagnating coolant in one of a plurality of loops in an engine cooling system. Degradation of the various valves and thermostats of the cooling system can be diagnosed by adjusting the valve and monitoring changes in one or more of coolant temperature, transmission temperature and cabin temperature. Based on engine operating conditions, the various valves may be adjusted to vary coolant temperature in different regions of the cooling system, thereby providing fuel economy benefits.

Abstract: A valve (1) has a housing base (2) and a valve seat (18) supported by the housing base (2). An annular slide (12) is displaceable linearly relative to the housing base (2) between first and second operating positions. A sealing edge (17) of the annular slide (12) bears in a sealing manner against the valve seat (18) when the annular slide (12) is in the first operating position. However, the annular slide (12) is raised from the valve seat (18) in the second operating position to enable flow through the annular slide (12). At least one flow deflecting element (27) is provided to deflect a fluid flowing between the sealing edge (17) and the valve seat (18).

Abstract: In a cooling system structure for a vehicular water-cooled internal combustion engine with a cylinder section and a cylinder body and a cylinder head. The cooling system structure having water jackets formed in the cylinder body and the cylinder head, respectively, with a radiator disposed forwardly of the engine main unit. A water pump performs forced circulation of coolant through the radiator and the water jackets, to permit routing of pipes with enhanced appearance. Water jackets are formed, respectively, in a cylinder body and a cylinder head such that coolant flows through the cylinder body and the cylinder head independently of each other. A thermostat is mounted on a front wall surface of a cylinder section and is capable of selecting a condition in which the water jackets directly communicate with each other or a condition in which the water jackets communicate with each other via a radiator.

Abstract: A liquid cooled internal combustion engine having a bypass line with a controllable shut off element so that coolant can bypass the cylinder head in certain engine operating conditions. The bypass line branches off from the coolant circuit upstream of the cylinder head and returns to the coolant circuit downstream of the cylinder head.

Abstract: A thermal management unit for a vehicle powertrain component. The thermal management unit is designed to maintain the operating temperature of the vehicle component within a relatively small, ideal temperature range. The thermal management unit includes a three-way valve and temperature sensor that uses the temperature of a lubricant used by the component itself to configure the valve such that lubricant having the desired temperature is passed to the component.

Abstract: Systems and methods for operating an engine that includes an exhaust gas heat recovery system are described. The system may reduce engine warm-up time and increase an amount of time an engine of a hybrid vehicle is deactivated while the hybrid vehicle is powered by a motor. In one example, a phase change material selectively stores and releases exhaust gas energy from and engine to improve vehicle operation.

Abstract: A method and a system for diagnosing insufficiency of vehicle coolant includes a preparing step of checking whether the vehicle is in a stop state and is on flat ground. An operating step applies a predefined output to a coolant water pump when the vehicle is in the stop state and is on flat ground. A measuring step measures a rotation speed of an impeller of the coolant water pump for a period in which the predefined output is applied to the coolant water pump. A M determining step compares the measured rotation speed of the impeller of the coolant water pump with a reference speed to determine whether or not the coolant is insufficient.

Abstract: An internal combustion engine cylinder head has a coolant jacket with a first supply opening and a first discharge opening. A cylinder block coolant jacket has a second supply opening and a second discharge opening. A coolant circuit connects the discharge openings to the supply openings via a recirculation line and a heat exchanger. A control unit has an inlet connected to a pump outlet, a first outlet connected to the first supply opening, a second outlet connected to the second supply opening, and a single setting element. The setting element has a first working position that opens up the first outlet and blocks the second outlet such that the coolant circuit is activated through the cylinder head and is deactivated through the cylinder block. The setting element has a second working position that opens up both the first outlet and the second outlet.

Abstract: A motor vehicle engine cooling system includes a fluid flow control device having first and second fluid inlets and first and second fluid outlets. The first fluid inlet is arranged to be connected to a cylinder head coolant outlet of the engine and the second fluid inlet is arranged to be coupled to a cylinder block coolant outlet of the engine. The first fluid outlet is coupled to a radiator bypass conduit of the cooling system and the second fluid outlet is coupled to a radiator conduit of the cooling system and arranged to direct to flow through a radiator of the system.

Abstract: A heating and cooling system for an internal combustion engine comprising a heat storage circuit and a radiator circuit, and a method of controlling such a system are disclosed. The heat storage circuit comprises a heat storage container in which engine coolant is stored and allowed to flow into and out of. The radiator circuit comprises a radiator for flow of the engine coolant, and the radiator has a radiator inlet connected via an upstream radiator conduit to a coolant outlet of the engine, and a radiator outlet connected via a downstream radiator conduit to a coolant inlet of the engine. A bypass conduit is connected between the upstream radiator conduit and the downstream radiator conduit to allow coolant to bypass the radiator. A thermostat controlled valve is arranged in the upstream radiator conduit at a coolant outlet of the engine and connected to the bypass conduit.

Abstract: Various systems are provided for liquid-cooling of an internal combustion engine. In one example, an internal combustion engine includes a cylinder head, a cylinder block coupled to the cylinder head, a first return line fluidically coupled to the cylinder head and to a coolant valve and including a heat exchanger configured to remove heat from coolant, a second return line fluidically coupled to the cylinder block and to the coolant valve, a bypass line branching off from the first return line and fluidically coupled to the coolant valve, and an originating supply line fluidically coupled to the cylinder head, the cylinder block, and the coolant valve, the originating supply line including a pump configured to supply coolant. The coolant valve is configured to control coolant flow through the coolant lines via rotational selection of one of a plurality of working positions.

Abstract: The present disclosure relates to a multiple zone vehicle radiator, including: a housing; a first zone included in the housing; a second zone included in the housing; a baffle between the first and second zone, located in an outlet manifold of the housing; and a zone modifier configured to regulate coolant distribution between the first zone and second zone according to predetermined conditions.

Abstract: A cooling circuit, in particular of a motor is provided that includes a drive unit with a cooling circuit, through which coolant heated in the drive unit flows, a first heat exchanger which emits heat from the coolant to the environment and a device for energy recovery with a second heat exchanger, which is switched into the cooling circuit. A line section of the cooling circuit is connectable in parallel to the second heat exchanger that includes a hydraulic element, which guides a defined coolant flow to the second heat exchanger.

Abstract: The rotary valve includes a rotor, and a casing including a rotor accommodating space. A rotor opening which is a passage of cooling water is in the rotor. Openings which communicate with the rotor opening are at positions of an inner circumferential surface of the rotor accommodating space which oppose an outer circumferential surface of the rotor. Seal members extend from the openings toward the rotor. A tip end abutting portion of the seal member which abuts on the rotor functions as a seal and as a spring. The seal member is positioned by engagement with each of positioning portions provided on the openings and includes a rotation stopping portion that stops a rotation.

Abstract: A rotary valve that includes a rotor, and a casing including a rotor accommodating space that accommodates the rotor. A rotor opening which is a passage of cooling water is provided in the rotor. Openings which communicate with the rotor opening are provided at positions of an inner circumferential surface of the rotor accommodating space which oppose an outer circumferential surface of the rotor. Seal members are provided to extend from the openings toward the rotor. A tip end abutting portion of the seal member which abuts on the rotor includes an inwardly curved portion. The inwardly curved portion functions as a seal and also functions as a spring. The inwardly curved portion is narrowed inwardly toward a tip end side, and is curved to be folded back.

Abstract: A cooling system 1A includes an internal combustion engine 10, a pump 31, a radiator 32, a main passage section 41, a stirling engine 20, a branch passage section 43 branching from the main passage section 41 at a first connection point P1 and joining a downstream part of the main passage section 41 from the first connection point P1 at a second connection point P2, and a thermostat 33. The first connection point P1 and the second connection point P2 are provided in a part of the main passage section 41 between the radiator 32 and the pump 31. The thermostat 33 is provided in another part of the main passage section 41 between the first connection point P1 and the second connection point P2.

Abstract: A saddle-ride vehicle includes a radiator body having a first radiator and a second radiator each including a core composed of radiating fins and tubes, alternately laminated. The radiator body is disposed forward of an engine while sandwiching a down tube between the first and second radiators in a vehicle left-right direction with the down tube extending rearwardly and downwardly of a head pipe. The radiator bodies and an exhaust pipe connected to the engine are disposed in an overlapping manner when the vehicle is viewed in a plan view. The lower tank of the first radiator include an inlet for the coolant from a lower communicating radiator hose that allows coolant to flow from the lower tank of the second radiator and an outlet for the coolant to a lower end radiator hose that is connected from the lower tank of the first radiator to the engine.

Abstract: A thermostat housing is disclosed. The thermostat housing comprises a housing member. The housing member includes an inlet and an outlet to allow coolant to flow therethrough. The thermostat housing also includes least two thermostats within the housing member. The at least two thermostats have staggered opening temperatures. One of the at least two thermostats opens and controls a flow rate of coolant through the housing when the coolant is within a first predetermined temperature range. A single loop of coolant is being controlled within the housing member.

Abstract: A fluid regulator for an engine coolant system includes a thermostat. The thermostat is configured to route engine coolant through an engine and a radiator in one mode and through the engine to bypass the radiator in another mode.

Abstract: An air heat exchanger comprising a front-end heat exchanger (101), a fan (8), a ventilating duct (11), a back-end heat exchanger (102), a fan power source (20) and a fan drive shaft (7), wherein the front-end heat exchanger (101) and the back-end heat exchanger(102) are connected in series by a heat exchanger connecting tube (105); the front-end heat exchanger (101) and the back-end heat exchanger (102) can each consist of one or more overlaid heat exchange units, respectively arranged upstream and downstream of a fan channel; the fan (8) is set up inside the ventilating duct (11) of the heat exchanger, adopting two-process cross-flow and counterflow heat exchange. The air heat exchanger features a simple structure, mature technology, high heat exchange efficiency, a compact structure and a fan with low power consumption and a low noise level, and of low cost.

Abstract: An electric water pump control apparatus actively controls an electric water pump in a high speed range or a high load condition as a vehicle accelerates or overtakes. An electric water pump control method may include determining whether an engine is in a high speed/high load condition or in a normal condition by detecting an engine speed, fuel consumption amount, and coolant temperature, determining whether the coolant temperature is less than a predetermined second temperature, if the engine is in a high speed/high load condition, calculating a speed of the electric water pump by applying fuel consumption amount and engine speed, if the coolant temperature is less than a second temperature and determining a final speed of the electric water pump by applying a compensation coefficient according to the coolant temperature, and operating the electric water pump with the final speed to circulate the coolant.

Abstract: A cooling system of an engine may include an engine that has a cylinder block where a cylinder is formed therein and a cylinder head that covers the cylinder block, a radiator that is disposed outside the engine, a first thermostat that is disposed on a coolant line connecting the engine with the radiator in such a way that the coolant passes the radiator or does not pass the radiator, and a second thermostat that is configured to make the coolant selectively pass the coolant line that is formed in the cylinder block.

Abstract: An apparatus includes a housing having a ventilation opening. A component such as a generator set can be disposed within an interior space of the housing. A baffle can be disposed within the interior space of the housing at a location that obstructs an acoustic line of sight between the ventilation opening and the component to eliminate or otherwise reduce a sound signature of the component. The baffle can also be configured to accumulate water from the ventilation opening. A drain can also be provided to aid in the removal of water accumulated by the baffle and route the water outside the housing.

Abstract: The present invention refers to a device (1) for water circulation in a cooling circuit of an internal combustion engine (3). The device comprises a pump and a suction chamber (8) which develop in a circular way around the axis of the pump impeller. The device comprises also a water manifold (50) that can be connected to the outlet of a radiator (40) of said cooling circuit. The device comprises a first duct (5) connected to the manifold and a first opening (5?) which defines an axial inlet for said first flow in said chamber (8). The device comprises also a second duct (6) connected to the manifold (50) and to the suction chamber (8?) by means of a second opening (6?). The latter defines a tangential intake for water, so that it is subject to a rotation around the axis of the impeller. The device further comprises flow rate partition means (9) suitable to vary the flow rate of the water circulating in both ducts (5,6) as a function of the operating conditions of said engine.

Abstract: A cooling system for a fan drive device, particularly for a wet friction clutch. The clutch shaft member is attached to a shaft mounting plate and ATF is circulated through them. The shaft mounting plate is connected in turn to an engine mounting plate which has engine coolant circulated through it at a lower temperature. The shaft mounting plate and engine mounting plates both have passageways for circulation of fluids therein.

Abstract: A water outlet structure of an internal combustion engine includes a water outlet and a thermostat. The water outlet includes a cooling-water inflow portion, a radiator outflow passage, and a bypass passage. The cooling-water inflow portion is provided to face a cooling-water outlet of a cylinder head. Cooling water is to flow out to a radiator through the radiator outflow passage. The radiator outflow passage linearly extends from the cooling-water inflow portion. The bypass passage linearly and obliquely extends from the cooling-water inflow portion to provide a water flow at an acute angle to a water flow in the radiator outflow passage. The thermostat is provided integrally with the water outlet and includes a thermo housing provided downstream of the bypass passage.

Abstract: An internal combustion engine is provided herein. The internal combustion engine may include a turbocharger including a turbine positioned in an exhaust passage, the turbine having a turbine housing. The internal combustion engine may further include a cooling system having an engine block coolant jacket fluidly coupled to a pump, a cylinder head coolant jacket fluidly coupled to the pump, and a turbine coolant passage traversing the turbine housing and fluidly coupled to the pump and bypassing the engine block coolant jacket.

Abstract: A cooling system for a combustion engine (1) includes a pilot line (12) which has an inlet (12a) to receive coolant from a line (3) of the cooling system and a thermostat (6) a sensing element (6b) for monitoring the temperature of the coolant in the pilot line (12) and a valve (6a). A thermal device (13, 26, 31) in contact with the coolant in the pilot line (12) at a location upstream of the sensing element (6b). A control unit (15) estimates when it is appropriate to alter the coolant's operating temperature in the cooling system and, at such times, activates the thermal device (13, 26, 31) so that it warms or cools the coolant in the pilot line (12).

Abstract: A heat exchanging system for an internal combustion system is disclosed herein. The heat exchanging system includes a pusher fan assembly, positioned between the internal combustion engine and a radiator. The pusher fan assembly enables air-flow towards the radiator. The pusher fan assembly includes a central hub, a plurality of blades, and a nose. The blades include a first end coupled to the central hub and a second end extending radially outwards from the central hub. The nose includes a base portion and a contoured outer portion. The base portion has a radius, R. The contoured outer portion has a maximum length, L dimension along axis of rotation. The contoured outer portion has an angular profile, ? defined by formula ?=(R*R+L*L)/2*R.

Abstract: A cooling circuit for a liquid-cooled internal combustion engine for motor vehicles, includes a main cooling circuit including a feed line leading to a radiator and a return line, and a bypass line, which bypasses the radiator and can be controlled as a function of temperature and secondary cooling circuit for a retarder of a braking device of the motor vehicle, which is connected, likewise by a feed line, a return line and a control valve, to the main cooling circuit. The two cooling circuits (2, 3) can be controlled by a single rotary slide valve (10). Both cooling circuits (2, 3) are interconnected in such a way that the flow rates thereof to the radiator (6) and/or to the retarder (4) can be varied in a predetermined or defined manner, in particular between 0% and 100%.

Abstract: A heat management module of a cooling system of an internal combustion engine which has a valve housing that includes at least one first feed connection for cooling water of a bypass circuit and at least one adjacent second feed connection for cooling water of a radiator circuit. The feed connections can be connected to a discharge connection depending on the position of a valve member accommodated in the valve housing. A driving element which actuates the valve member is provided on the valve housing. The driving element is a hydrostatic servo motor, which produces a rotating driving motion and which uses a feed pressure line that branches from the cooling system for pressurization.

Abstract: A method for recovering exhaust heat for an engine is disclosed herein. The method includes during an engine operation, reducing a volume of a circulating heat transfer fluid and discharging a heat storage device to heat an engine component. The method further includes distributing the circulating heat transfer fluid to one or more heat exchangers each in thermal contact with one or more engine systems.