Abstract: A system for cooling an engine on a vehicle without a coolant based intercooler and intermediate duct, the system including an air-to-oil radiator system configured to cool oil that flows through an engine, an air-to-air radiator system configured to cool air that flows through the engine and further configured to operate in conjunction with the air-to-oil radiator system to provide cool air for use with the air-to-oil radiator system, and a slow flow coolant radiator configured to cool a coolant provided to cool the engine and further provided to operate in conjunction with the air-to-oil radiator system. A method for cooling oil in an engine without a coolant based intercooler and intermediate duct is also disclosed.

Abstract: A cooling system for a work machine is disclosed. The cooling system has a heat exchanger pivotally connected along a pivot axis. The cooling system also has a first fluid conduit and a second fluid conduit. The first fluid conduit is connected to a first end of the heat exchanger at the pivot axis. The second fluid conduit is connected to the heat exchanger at a second end opposite the first end.

Abstract: An engine cooling system has an engine water jacket, a coolant circulation passage connecting a water jacket outlet to a water jacket inlet and a radiator disposed in the coolant circulation passage. A thermostat valve selectively closes and opens the coolant circulation passage leading to the radiator. A bypass passage extends from between the water jacket outlet and the thermostat valve to an outlet side of the radiator. A bridge passage connects a portion of the bypass passage to a portion of the coolant circulation passage located downstream of the radiator and upstream of where the bypass passage merges therewith. A resistance generating section is located downstream of the bridge passage connection to the coolant circulation passage and upstream of the bypass passage connection to the coolant circulation passage. The bridge passage has an oil heat exchanger to exchange heat between the cooling medium and transmission oil passing therethrough.

Abstract: A system, method, and computer readable media for controlling cooling in a diesel fueled power generation unit. The system includes a first cooling circuit configurable in a first mode for directing an oil coolant portion into main oil cooler and an intercooler coolant portion into an intercooler and configurable in a second mode for limiting the oil coolant portion provided to the main oil cooler. The system also includes a supplementary oil cooler for cooling a portion of the lubrication oil and a supplementary coolant source for providing a second coolant flow to the supplementary oil cooler. The system also includes a second cooling circuit in communication with the supplementary oil cooler configurable in the first mode for limiting the portion of the lubrication oil provided to the supplementary oil cooler and configurable in the second mode for directing the portion of the lubrication oil to the supplementary air oil cooler.

Abstract: An outboard motor can have a case supported by a hull, an internal combustion engine supported on the upper end of the case, an oil pan formed in the case for storing lubricating oil for the internal combustion engine, and a cooling water jacket formed integrally with the oil pan. A cooling water passage for communicating the cooling water jacket with the internal combustion engine is provided. The cooling water jacket can be formed on the bottom of the oil pan. Optionally, a space can be formed between at least a part of the outer wall of the oil pan and the cooling water passage.

Abstract: Within an injection nozzle for the injection of fuels into the combustion chamber of an internal combustion machine the injection nozzle (5) comprising an axially displaceable valve needle (7), which plunges into a control chamber (12) chargeable with pressurized fuel whose pressure is controllable by a control valve (16) opening or closing the at lest one inlet or outlet channel for fuel, channels are arranged in the region of the valve needle (7), which channels are connected with lubricant- or motor-oil lines respectively and can be passed through by lubricant- or motor-oil respectively. Also in the region of the control valve (16) and/or a solenoid actuating the control valve, channels are arranged which are connected with lubricant- or motor-oil lines respectively and can be passed through by lubricant- or motor-oil respectively.

Abstract: The invention concerns an engine cooling system that comprises a cooling circuit (8) and an evaporative cooling arrangement (9). The cooling circuit (8) has a cooling capacity provided by exchanging the heat generated by the engine with ambient air. The evaporative cooling arrangement (9) has a cooling capacity provided by dissipating the heat generated by the engine, by vaporisation of a vaporising coolant in a boiler. The cooling capacity of the evaporative cooling arrangement (9) is such that with the cooling capacity of the cooling circuit (8), the global capacity of the cooling system can match, at least peak, cooling demands. As the cooling capacity of the cooling system is divided between the capacity of the cooling circuit and the capacity of the evaporative cooling arrangement, the capacity of the cooling circuit can be reduced in comparison to a conventional cooling circuit which has to match alone peak cooling demands.

Abstract: In a cooling and heating device for an internal combustion engine having a main coolant pump supplying coolant to the engine and a coolant return line with a return flow control unit which directs the coolant return flow to the main coolant pump selectively via a large cooling circuit, in which an air/fluid cooler is arranged, or via a small cooling circuit bypassing the air/fluid cooler, an oil/coolant heat exchanger is provided for heating or cooling a flow of oil, the flow of coolant through the oil/coolant heat exchanger being controlled by means of a coolant flow control unit directing the flow through the oil/coolant heat exchanger only after a predefined coolant temperature has been reached so that, below this temperature, no heat is extracted from the coolant by the oil/coolant heat exchanger and rapid heating of the internal combustion engine is ensured.

Abstract: A snow vehicle includes an engine, a track belt arranged on a rear side of the engine, and a cooling water path for cooling the engine, in which the engine includes a cooling water inlet portion and a cooling water outlet portion provided on a front surface side of the engine and connected with the cooling water path. The snow vehicle is capable of improving the turning ability of the vehicle, while simplifying a cooling water path and reducing the size of the structure for cooling the engine.

Abstract: An internal combustion engine for a personal watercraft in which cooling water in an oil cooler housing is naturally discharged when the personal watercraft is pulled up on land. An oil cooler is disposed within an oil cooler housing on an upper front side of the engine. The oil cooler housing enables cooling water taken from the cooling water intake port at the positive pressure side of the jet propulsion pump to flow about the oil cooler thereby cooling lubricating oil. A water pipe connects the pump to a cooling water inflow opening at a lower end of the oil cooler housing. Cooling water discharged from an upper end of the cooler housing is directed to the engine. The oil cooler housing resides above the water pipe and the crankshaft of the engine, and the pump intake lies below the crankshaft permitting free discharge of cooling water therefrom.

Abstract: The invention constitutes an arrangement for cooling a vehicle component, for example a transmission, disposed adjacent to an engine, which arrangement includes a cooling circuit designed to feed a coolant through the transmission and including a line for coolant to the transmission and a line for coolant to the transmission. According to the invention, the cooling circuit is also designed to cool the engine and includes a further line for feeding the coolant to the engine, and the cooling circuit includes a flow control valve for controlling the coolant in the cooling circuit such that the flow of coolant to the vehicle component is lower than the flow to the engine. As a result of the invention, an improved arrangement is obtained for cooling, for example, a transmission, for example in heavy goods vehicles.

Abstract: Cooling device for a retarder of a vehicle engine, comprising a coolant circuit with a coolant cooler and a retarder cooler, and at least one further coolant circuit with a further coolant cooler and a further cooler. To allow more cooling capacity to be released for the retarder when the latter is activated, the cooling device has valves arranged to connect the coolant circuits together upon activation of the retarder so that at least two coolant coolers are then used for cooling the retarder, and to disconnect the coolant circuits from one another so that they revert to being separate circuits upon deactivation of the retarder.

Abstract: A lubricant supply system for a marine engine is provided with a lubricant conduit that is formed within an engine block in close proximity to a coolant conduit. The coolant conduit is extended, by a bulge, in a direction toward the lubricant conduit in order to reduce the distance through which heat must travel through the base material of the engine block to cool the lubricant flowing through the lubricant conduit by the water flowing through the coolant conduit.

Abstract: A cooling system of an outboard motor provides back and forth flow of water from one side of an exhaust passage to the opposite side in order to avoid the creation of stagnant pools of water within which minerals and debris can collect. This result is accomplished by causing the cooling water to flow back and forth from one side of the exhaust passage to the other so that all portions of the water passages are forced to conduct water through them at a relatively high velocity. A water reservoir is formed between an exhaust conduit and an oil reservoir in order to reduce the operating temperature of the oil within the reservoir.

Abstract: Liquid phase liquid crystal polymers (LCPs) are disclosed having a composition and structure that can be varied to provide desirable properties. The liquid phase LCPs have polyiminoborane, polyaminoborane, and/or borozine polymer backbone molecules, with silicon and/or phosphorous side chain molecules linked to the backbone that provide a degree of alignment assigned an Order Parameter (S), defined as S=? [3 cos2 ??1], where ? is the angle between the axis of an LCP molecule and the vertical direction. The inventive liquid phase LCPs have an average Order Parameter in the range of about 0.2 to about 0.99 and are applicable to a number of rinse, coolant, lubricant, sterilization and other protectant processes.

Abstract: A two stroke cycle internal combustion engine machine that does not require lubricating oil to be mixed with its fuel, producing greater efficiency, higher power to weight ratio, cooler operating temperatures, a wider speed range, greater simplicity, and lower toxic emissions, many of the improvements also transferable to four stroke engines.

Abstract: Circulation system for the coolant in an oil cooler (13) adapted to cool down the oil of the automatic transmission (2) of a motor vehicle in which the drain conduit (15) for the coolant from the oil cooler (13) of the transmission (2) is connected to said return conduit from the radiator, and that the exit mouth (16), of said drain conduit is inserted in the return conduit forming an angle A, said angle being more than 0° and less than 90°.

Abstract: A cooling water circuit system for an engine includes a radiator bypass passage through which cooling water of the engine bypasses a radiator, a heat exchanger disposed in the radiator bypass circuit to perform heat exchange between the cooling water and lubricant oil of an automatic transmission, and a radiator downstream passage through which the cooling water from the radiator flows into the heat exchanger. Further, a flow adjusting unit is disposed at a join portion where the radiator bypass passage and the radiator downstream passage are joined, to adjust a flow ratio between the cooling water flowing from the radiator downstream passage to the heat exchanger and the cooling water flowing from the radiator bypass passage to the heat exchanger. The flow adjusting unit is controlled by a control unit in accordance with the temperature detected by the temperature detection unit.

Abstract: A work vehicle cooling system comprises a cooling fan (18) driven by the output from an engine (16), and a flow path for allowing an airflow (27) generated by the cooling fan (18) to be flown between the engine (16) and an operator's seat (14) without having passed through any of a radiator (20) and an oil cooler (21) for the engine (16). With this simple configuration, the heat generated by the engine (16) is prevented from being transmitted to the operator's seat (14).

Abstract: A cooling system is provided for a vehicle with an internal combustion engine. The cooling system includes a high temperature cooling circuit and a low temperature cooling circuit that is separated from the high temperature cooling circuit. The high temperature cooling circuit cools the engine and includes at least one cooler. The low temperature cooling circuit cools an oil cooler and, if necessary, a charge air cooler and includes a cooler. The oil cooler may be connected with the high temperature cooling circuit so the oil temperature may be controlled within a narrow temperature range.

Abstract: A liquid filter/heat exchanger unit including a liquid filter and a heat exchanger, the liquid filter having a filter element in a filter housing. To bypass the heat exchanger, there is a bypass connecting the heat exchanger inlet directly to the unfiltered side of the filter element. A switching element is provided to control the liquid flow into the heat exchanger or into the bypass. The switching element is a bimetal element which is in a position directing the liquid flow into the bypass at a temperature below a switching temperature.

Abstract: An integrated engine guard oil cooler is mounted to a motorcycle. The cooler is a hollow tube having an inlet, an outlet, a plurality of cross-sectional restrictions in its interior, and a plurality of radial cooling fins on its exterior. The tube has a shape such that, when the inlet and the outlet are mounted on opposite sides of the lower frame of a motorcycle, the tube extends outwardly from each side of the frame, then extends upwardly, and then extends inwardly to join and form an enclosed passageway. When the inlet and the outlet communicate with the oil reservoir of the engine, oil flows through the tube with successive pressure increases and pressure decreases as it passes the cross-sectional restrictions and heat from the oil is transferred to the ambient air through the radial cooling fins.

Abstract: A motorcycle lubrication oil cooling system that cools lubrication oil without increasing the number of parts, weight, or cost, and yet is simple in construction. The cooling system is applicable to motorcycles in which an engine is cooled by a coolant pump driven by a crankshaft. The coolant pump is provided on a side face of the engine, and an oil storage chamber capable of storing a specified amount of lubrication oil is provided adjacent to the coolant pump, while a covering member is provided to cover both the oil storage chamber and a coolant pump chamber that houses the coolant pump. This abstract is neither intended to define the invention discloses in this specification nor intended to limit the scope of the invention in any way.

Abstract: An oil cooling system to provide enhanced thermal control for internal combustion engines wherein the oil cooling system of the present invention works in conjunction with the standard oil lubrication circuit and typical liquid coolant system of an engine to maintain the engine temperature in a constant range even when operated in an environment with extreme thermal conditions for a prolonged period of time. The present invention detects when the oil temperature has exceeded a pre-determined range and sends the oil to a radiator with heat sinks and a fan for extracting the heat therefrom and dissipating it before recycling it back to the oil sump where it serves to lubricate and cool the heat-generating components it comes in contact with.

Abstract: A circulating path 12 is provided for circulating a heat transfer medium across the cooling section 6A and an exhaust heat exchanger 9. The circulating path 12 is communicated to an output heat exchanger which is mounted on a hot water storage. The heat transfer medium is circulated by a pump 10 from the exhaust heat exchanger 9 to the oil heat exchanger 5 and the cooling section 6A. The heat transfer medium to be introduced into the exhaust heat exchanger 9 is so controlled in the flow rate that a temperature of the water vapor in the exhaust gas is declined to a temperature lower than the dew point. The heat transfer medium when having received heat directly from the exhaust gas and heat generated by condensation of the exhaust heat is conveyed to the cooling section 6A where its temperature soars up further.

Abstract: A fluid cooling arrangement for a motorcycle including a fluid cooler with an outer housing and an inner plate. The outer housing includes an outer face and an inner face. The inner plate is mounted to the inner face of the outer housing. A continuous fluid passage is defined between the inner face and the inner plate, and the fluid passage extends between a fluid inlet and a fluid outlet. The fluid cooler mounted to a primary drive of a motorcycle. The primary drive connects an output shaft of the engine with an input shaft of a transmission. The fluid inlet is in fluid communication with a source of heated fluid from the engine.

Abstract: The motor vehicle cooling system (10) contains a fan (12) with which at least one cooler (13) is associated. Provision is made for the fan (12) to be in the form of a centrifugal blower with an air guiding housing (18).

Abstract: In a cooling circuit of a liquid-cooled internal combustion engine of a motor vehicle having a coolant pump, an electrical mixing valve, a radiator, a heater, an engine-oil heat exchanger, a transmission-oil cooler for transferring heat to the ambient air, a transmission-oil/cooling water heat exchanger for transferring heat between the transmission oil and the cooling water arranged in parallel flow circuit with the transmission-oil cooler, and an actuator for controlling the oil flow distribution, an electrical mixing valve is arranged in the cooling water line to the radiator/transmission-oil cooler and the transmission-oil/cooling water heat exchanger, such that the heat transfer in the transmission-oil/cooling water heat exchanger can be controlled by controlling the coolant flows through the transmission oil/cooling water heat exchanger and the radiator.

Abstract: A work machine, such as a wheeled loader or dumper, has a cooling and heating system comprising a main line (2) arranged to contain a fluid, a first heat exchanger (4) which is connected to the main line (2), and a charge-air cooler (8) for cooling compressed charge air for an internal combustion engine (12) arranged in the machine, which charge-air cooler (8) is connected to the main line (2). A second heat exchanger (10) is connected to the main line (2) downstream of the charge-air cooler (8), to which second heat exchanger (10) a hydraulic liquid line (14) is connected, so that heat can be transferred between the fluid in the main line (2) and the hydraulic liquid in the hydraulic liquid line (14).

Abstract: The present invention relates to a cooling circuit for a work machine that provides increased cooling capacity of a radiator without increasing the physical size of the radiator. The cooling circuit includes a jacket water pump, a jacket water portion of an engine and a radiator fluidly coupled to the circuit. A first powertrain oil cooler is fluidly coupled to the cooling circuit between the jacket water pump and the jacket water portion. A second powertrain oil cooler is fluidly coupled to the cooling circuit between the jacket water portion and the radiator. Positioning of the powertrain oil coolers in this manner increases the temperature differential between ambient air and coolant entering the radiator, therefore increasing cooling capacity of the radiator.

Abstract: A work vehicle cooling system comprises a cooling fan (18) driven by the output from an engine (16), and a flow path for allowing an airflow (27) generated by the cooling fan (18) to be flown between the engine (16) and an operator's seat (14) without having passed through any of a radiator (20) and an oil cooler (21) for the engine (16). With this simple configuration, the heat generated by the engine (16) is prevented from being transmitted to the operator's seat (14).

Abstract: A piston assembly, particularly suitable for use in a free piston internal combustion engine, is provided with a piston including at least one oil coolant passage therein. The plunger shaft is substantially rigidly attached to the piston and axially extends from the piston. The plunger shaft includes at least one oil supply passage fluidly connected with at least one oil coolant passage.

Abstract: A temperature control system includes an enclosure having a plurality of adjoining walls. At least one inlet is disposed within at least one of the walls. The at least one inlet has an electrically controlled inlet fan associated with it. A plurality of outlet louver assemblies are disposed within at least an other wall and include a plurality of moveable louvers. An actuator is coupled with each outlet louver assembly to move the plurality of moveable louvers. An ambient air sensor is disposed within the enclosure for sensing the ambient temperature within the enclosure and providing an output signal which is conducted to an electrical processing circuit. Alternatively, the ambient air sensor may be located without the enclosure. Temperature sensors are also coupled with the engine, charge air and transmission cooler for sensing their respective temperatures and providing output signals which are conducted to the electrical processing circuit.

Abstract: Disclosed is a liquid cooled internal combustion engine, comprising a plurality of cooling circuits and one or several liquid radiators connected thereto. In order to produce one of several possible configurations of cooling circuits and liquid radiators, a cooling liquid guide housing comprising a plurality of first flow sections associated with the cooling circuits, a distributor housing comprising a plurality of second flow sections which are connected to the liquid radiators, and an intermediate element arranged between the liquid guide housing and the distributor housing are provided. The intermediate element has a specific arrangement of open passage sections between the first flow sections of the cooling liquid guide housing and the second flow sections of the distributor housing, corresponding to one of several possible configurations of cooling circuits and liquid radiators.

Abstract: An engine cooling system and method applicable to a diesel engine in a vehicle. A control module, via a single multi-port valve, controls the coolant flow through a radiator, heater and oil cooler based upon engine operating conditions.

Abstract: An enhanced split cooling system and method for a turbocharged internal combustion engine including a liquid cooled turbocharger 19 and an engine liquid coolant jacket 18, the system comprising a coolant pump 12 for pumping coolant from a coolant storage tank 16 in heat exchange relationship with the engine jacket 18 and turbocharger 19; an oil cooler 32 having coolant input and output lines; a valve assembly 74, 83 including a multi-port rotary valve actuated by a single actuator; a first coolant output line connected for conveying coolant from the engine to the valve assembly 74, 83; a radiator 22 connected via a second coolant line for receiving coolant from the valve assembly 74, 83 and having a coolant outflow line to return coolant to the coolant tank 16; an intercooler 28 operatively associated with the turbocharger 19 for passing the coolant in hear exchange relationship with compressed air in the turbocharger 19; a lube oil subcooler 46 coupled by a third coolant flow line to receive coolant from the

Abstract: A cooling apparatus (10) and method for a turbocharged internal combustion engine (12). The combustion air (16) exiting a turbocharger (18) is passed over an air-to-water intercooler (40) then over an air-to-air intercooler (42) for heat exchange with liquid coolant and with ambient air (32) respectively. During periods of low ambient air temperature, the combustion air may be directed through a bypass duct (80) around the air-to-air intercooler, and further, may be heated by the coolant in the air-to-water intercooler. A multi-speed fan (44) and/or shutters (48) may be used to control the flow of ambient air across the air-to-air intercooler. A cooling duct (68) provides a flow of ambient air to the fan motor (46) during periods of operation when the flow of ambient air over the air-to-air heat exchanger is restricted by the shutters. Coolant exiting a subcooler (28) has the lowest temperature in the system and is directed to a lube oil cooler (34) for engine lubricant cooling.

Abstract: A system and method for providing a transmission fluid heat exchanger which is external to an engine radiator, an in-line with respect to radiator hose coupled to the engine radiator.

Abstract: Formed in a cylinder block of a multi-cylinder engine are oil grooves each arranged in a top deck of the cylinder block to surround a corresponding cylinder liner, a supply channel connected to an oil pump, a return channel connected to an oil pan, communication holes interconnecting adjacent oil grooves in series, an inflow hole connecting the most upstream oil groove to the supply channel and an outflow hole connecting the most downstream oil groove to the return channel. Consequently, the oil grooves of all cylinders connected in series cause engine oil to flow through all the oil grooves at the same rate. Such an arrangement is simple in structure and has reduced the number of components so that the manufacturing cost is reduced and the reliability of the cooling system is enhanced.

Abstract: An apparatus (10) for pumping lubricant in an internal combustion engine, includes a lubrication pump (11) for the lubricant, and electric motor means (12) for driving the pump (11), the lubricant being contained in reservoir(s) in which at least the lubrication pump (11) is immersed, and the motor means (12) including a stator (14) and rotatable motive member (15) the stator (14) and rotatable motive member (15) being in contact with the lubricant from the reservoir(s).

Abstract: A piston assembly, particularly suitable for use in a free piston internal combustion engine, is provided with a piston including at least one oil coolant passage therein. The plunger shaft is substantially rigidly attached to the piston and axially extends from the piston. The plunger shaft includes at least one oil supply passage fluidly connected with at least one oil coolant passage.

Abstract: An oil cooling system is disclosed in the environment of an over the road vehicle having a transmission and an internal combustion engine. A primary liquid to liquid heat exchanger is connected to the engine cooling system and connected to a selected on of, or both, an engine lubricant system and the transmission for cooling circulation of oil. An auxiliary heat exchanger is connected in parallel with the primary heat exchanger for selective additional cooling circulation of the oil.

Abstract: An internal combustion engine includes an engine block with at least one cylinder, a cylinder head which is fastened to the cylinder, the outside of the cylinder and the cylinder head including cooling ribs in order to discharge the heat produced during operation of the internal combustion engine, and including an oil pump for conveying the engine oil through oil lines to the parts of the internal combustion engine to be lubricated and to an oil cooler for cooling the engine oil. An effective and even cooling of the internal combustion engine is ensured in such a way that the oil cooler is integrated in the cooling ribs of the internal combustion engine and two mutually separated oil conduit systems are provided in the cylinder head, namely lubricating oil system and a cooling oil system.

Abstract: A lubricant conditioning system with a lubricant filtering subsystem mounted to a thermal conditioning subsystem. The lubricant filtering subsystem is in lubricant communication with a lubricant distribution subsystem. The thermal conditioning subsystem is in fluid communication with an internal combustion engine's cooling system. Upon activating or starting the engine 11 and activating the lubricant conditioning system via a switch, a thermally controlled conduit begins heating the lubricant in the engine's lubricant sump. The lubricant is pumped through the lubricant distribution subsystem and is circulated throughout the engine's lubrication system. As the engine is operated, the engine's lubricant is pumped into the lubricant filtering subsystem. The lubricant filtering subsystem filters the lubricant.

Abstract: A circulating path 12 is provided for circulating a heat transfer medium across the cooling section 6A and an exhaust heat exchanger 9. The circulating path 12 is communicated to an output heat exchanger which is mounted on a hot water storage. The heat transfer medium is circulated by a pump 10 from the exhaust heat exchanger 9 to the oil heat exchanger 5 and the cooling section 6A. The heat transfer medium to be introduced into the exhaust heat exchanger 9 is so controlled in the flow rate that a temperature of the water vapor in the exhaust gas is declined to a temperature lower than the dew point. The heat transfer medium when having received heat directly from the exhaust gas and heat generated by condensation of the exhaust heat is conveyed to the cooling section 6A where its temperature soars up further.

Abstract: An oil cooling system is disclosed in the environment of an over the road vehicle having a transmission and an internal combustion engine. A primary liquid to liquid heat exchanger is connected to the engine cooling system and connected to a selected on of, or both, an engine lubricant system and the transmission for cooling circulation of oil. An auxiliary heat exchanger is connected in parallel with the primary heat exchanger for selective additional cooling circulation of the oil.

Abstract: An outboard motor contains a four-cycle engine. The engine includes a lubricant supply system that recirculates lubricant through the engine to lubricate the moving components of the internal combustion engine. The lubricant supply system includes a lubricant cooler. The lubricant cooler is selectively bypassed by lubricant and/or coolant to maintain the proper operating temperature range for the lubricant, depending upon the lubricant temperature and/or the coolant temperature.

Abstract: A fan cooling system for cooling heat transfer devices associated with a particular work machine, the system including a plurality of fans positioned and located in the same plane preferably one on top of the other, a first heat transfer device positioned upstream relative to the plurality of fans, a second heat transfer device positioned downstream and adjacent to one side of the fans, a third heat transfer device positioned downstream and adjacent the opposite side of the fans, and suitable shrouds or other separating members positioned around the plurality of fans so as to guide the flow of air into and expelled by each respective fan, the fans being operable to as to create air flow through the first, second and third heat transfer devices.

Abstract: A method of cooling a locomotive engine wherein the temperature of the coolant flowing into the engine is controlled in response to the temperature of the lube oil flowing out of the engine so that the difference between these two temperatures is limited to a predetermined value in order to limit the differential expansion between parts within the engine. The predetermined value may be a function of the lube oil temperature, and it may have an absolute maximum value. In the event that the temperature difference exceeds a predetermined value, the power output of the engine may be reduced as a function of the length of time that the temperature difference limit has been exceeded. The rate of change in coolant temperature may be limited during periods of decreasing lube oil temperature in order to limit the duty cycle demand on coolant system components.

Abstract: A cooling device for an internal combustion engine is installed in a motor vehicle, especially in a passenger car. The cooling device has several radiators, which are disposed in a front section of the passenger car and connected over pipelines with the internal combustion engine. For reasons of space and to improve the effect, the cooling device in the front section, comprises a radiator, which extends transversely to the longitudinal direction of the vehicle, and two lateral radiators, which extend obliquely to a longitudinal central plane. Through the agency of a collecting device with cooling water outlet pipelines, the radiators are connected to a common supplying pipeline, which is connected with the internal combustion engine. Moreover, downstream from the internal combustion engine, there is a returning pipeline, which is connected with a branching device, from which the cooling water-returning pipelines lead to the radiators.