Abstract: When a cooling airflow used for cooling an engine etc. is discharged to a side of a machine as a discharge airflow, the airflow can be prevented from blowing to trees located at the side of the machine and to walkers passing the side of the machine. A rotary working machine has, inside a bonnet (10), an engine (8) and a discharge type cooling fan (45). An opening (10b) for discharging cooling airflow is provided in a side of the bonnet (10), and a movable louver (50) having blades (52, 52, . . . ) is provided in a duct (48) placed between the opening (10b) and the cooling fan (45).

Abstract: The invention relates to a drive unit for a fan of an internal combustion engine of a vehicle, having a friction clutch which can be shifted in order to drive the fan via the internal combustion engine. An electric motor is also provided for driving the fan, and a torque-transmission path is formed between the friction clutch and the fan by means of a rotatably mounted part of the electric motor. The invention also relates to an arrangement for driving a fan via an internal combustion engine with a drive unit that includes an electric motor and a friction clutch.

Abstract: A cooling device for a vehicle is provided at a vehicle comprising an engine control unit which stops an engine due to establishment of engine stoppage conditions and restarts the engine due to establishment of engine restart conditions. The cooling device for a vehicle is able to cool a coolant within a heat exchanger for cooling by cooling wind, which is guided from an exterior of the vehicle, passing through the heat exchanger for cooling. Cooling by driving force of either one of an electric motor or the engine can be selected in accordance with preset conditions.

Abstract: A cooling device for a vehicle is provided at a vehicle comprising an engine control unit which stops an engine due to establishment of engine stoppage conditions and restarts the engine due to establishment of engine restart conditions. The cooling device for a vehicle is able to cool a coolant within a heat exchanger for cooling by cooling wind, which is guided from an exterior of the vehicle, passing through the heat exchanger for cooling. Cooling by driving force of either one of an electric motor or the engine can be selected in accordance with preset conditions.

Abstract: A radiator apparatus for a vehicle may include a power transmitting mechanism configured to receive rotational force of an engine pulley and rotating a cooling fan thereby, and a driving belt tension maintaining device disposed between the power transmitting mechanism and the engine pulley and adjusting a relative distance therebetween to maintain tension of a driving belt sufficiently enough to transfer the rotation force of the engine pulley to the power transmitting mechanism, wherein the driving belt couples the power transmitting mechanism and the engine pulley.

Abstract: A combined viscous heater and viscous coupling fan drive operates on principles of viscous coupling to provide both, supplemental vehicle interior cabin heating, and rotation to a cooling fan mounted to a fan shaft. A viscous drive chamber and case surround a drive plate and a viscously driven plate. A liquid coolant chamber and case surrounds the viscous drive case that houses the plates for viscous coupling. Liquid coolant passes through the liquid coolant chamber as coolant circulates through the engine block. The coolant chamber has a coolant inlet and outlet. An electromagnetic clutch engages to turn a shaft and the driving plate which viscously couples to and turns the driven plate, which is connected to a shaft and engine cooling fan. The electromagnetic clutch and a fan brake are controlled to govern viscous heat generation by the plates and cooling fan operation.

Abstract: An engine cooling module includes a shroud structure 12 having a shroud hub 46 constructed and arranged to receive a portion of a motor 16. A DC electric motor 16 has first and second ends and a rotatable shaft 40. The second end of the motor is received by the shroud hub. A fan 70 is provided that has a fan hub 72. The fan is coupled with the shaft for rotation therewith. The shroud hub 46 defines a protective cover covering the second end of the motor, and the fan hub 70 defines a protective cover covering the first end of the motor. Thus, no motor housing is required.

Abstract: A system for managing the heat fluxes of an aircraft including at least one propulsion system that integrates a turbomachine and a cell including at least one fuel tank to supply the turbomachine via a fuel supply circuit, and at least one source of thermal effluents connected to a cell cooling circuit that integrates first elements for ensuring heat transfer between a coolant circulating in the cell cooling circuit and an air flow channeled into at least one cooling air channel extending from at least one air intake up to at least one air exhaust, whereby the system includes second elements for ensuring heat transfer between a coolant circulating in the cell cooling circuit and the fuel, a fuel circuit connecting the at least one tank to the second heat transfer elements, whereby the air intake includes blocking elements that can occupy a first open state for air to pass inside the channel and a second closed state to block the air intake.

Abstract: A cooling device for a vehicle is provided at a vehicle comprising an engine control unit which stops an engine due to establishment of engine stoppage conditions and restarts the engine due to establishment of engine restart conditions. The cooling device for a vehicle is able to cool a coolant within a heat exchanger for cooling by cooling wind, which is guided from an exterior of the vehicle, passing through the heat exchanger for cooling. Cooling by driving force of either one of an electric motor or the engine can be selected in accordance with preset conditions.

Abstract: A method of cooling a radiator in an internal combustion engine wherein a plurality of fan assemblies is provided. Specifically, each fan assembly has a housing with an interior containing a fan blade and an exterior having six sides to form a hexagonal perimeter. The fan assemblies are then arranged side by side to form a cluster of fan assemblies in order to maximize the amount of fan assemblies that may be provided on an enclosure. The cluster of fan assemblies is then placed adjacent to a radiator to control the air flow over the radiator in order to cool the engine.

Abstract: A work vehicle operating in a highly contaminated environment has a radiator with a rotary screen debris removal device upstream of the radiator. The debris thus removed passes through a fan for disposal away from the work machine. The engine is an air breathing fuel consuming engine and has a pre-cleaner for removing larger particles of air delivered to the engine for combustion. A conduit extends from the intake air pre-cleaner to a venturi device adjacent to and upstream of the fan for continuously and effectively removing particles from the engine air pre-cleaner.

Abstract: A cooling structure for a working vehicle in which a shroud is attached to a radiator provided to a vehicle body, and an air-cooling fan is made face to an airflow opening of the shroud, wherein the shroud comprises a shroud body attached to the radiator, and an opening member having the airflow opening, and further comprises securing means capable of fixing the opening member to the shroud body, and of freely adjusting a fixing position of the opening member with respect to the shroud body, and a relative position between the air-cooling fan and the airflow opening of the shroud is made freely adjustable. With the configuration above, the sufficient amount of heat radiated by the radiator can be obtained without causing the disadvantages such as increased noise.

Abstract: The invention relates to a cooling system for a motor vehicle comprising a radiator (1) through which a coolant for, in particular, cooling an engine (2) flows, and which is flowed through by a cooling air flow (7) that is influenced by a fan (4) according to the velocity of the motor vehicle. Said fan is situated between the radiator (1) and the engine (2). The projection of the fan surface toward the radiator surface is smaller than the radiator surface by a difference area, whereby this difference area of the cooler surface is covered by a fan cowl (25). In order to create cooling system that is improved with regard to aerodynamics, the fan cowl (25) is provided with at least one opening (27) on at least one side of the difference area.

Abstract: An engine room for construction equipment is provided, which can minimize emission of noise generated in an engine room due to driving of an engine and a ventilating fan to an outside of the engine room by absorbing the noise through a noise trap, and can improve the cooling performance of corresponding components by smoothing inhalation/discharge of an external air to/from the airtight engine room.

Abstract: The invention relates to a vehicle engine system. The engine system includes an internal combustion engine, a cooler of a cooling circuit, an electric generator driven by the engine from a side of the engine which is other than that which faces the cooler, and a fan for moving air through the cooler, all disposed in an engine compartment. An electric motor is powered by the generator and mechanically drives the fan through an output shaft which is mechanically connected to the fan. The output shaft of the motor is disposed in the engine compartment near a mechanical power take-off of the engine. The mechanical power take-off includes a belt pulley connected to a free end of an engine crankshaft.

Abstract: A fan system includes a motor; a driven fan, driven by the motor; and a dummy fan, freely rotatable around a bearing support shaft. The fans have blade rings at their external surfaces. The blade rings include gears, engaged with each other such that rotation of the driven fan rotates the dummy fan.

Abstract: An object is to provide a construction machine containing an engine (30) and a heat exchanger (31) in a bonnet (14), adapted for easy cleaning of a side of the heat exchanger (31) toward a cooling fan. A space (29) into which a hand can be put is provided between a cooling fan 33 attached to the engine (30) and the heat exchanger (31) arranged so as to face to the cooling fan (33). A part covering a region from the cooling fan (33) to the heat exchanger (31) in the bonnet (14) from above and sides includes a separate cover (34). An opening part having a guard (36) is provided through a portion of the cover (34), the portion facing to the heat exchanger (31). The cover (34) is configured to be openable and closable. The cooling fan (33) is adapted to be of a discharge type. A plurality of the heat exchangers are arranged in a same plane.

Abstract: A dual drive radiator fan and coolant pump system for a liquid-cooled reciprocating internal combustion engine includes a coolant pump with an impeller shaft driven by a first drive extending between the engine's crankshaft and a pump pulley and hub mounted upon the impeller shaft. A second drive extends between the crankshaft and a fan hub journaled upon the pump hub, so that the coolant pump and fan hub are driven independently.

Abstract: A radiator fan arrangement for a vehicle which is powered by a combustion engine. The radiator fan arrangement includes at least one cooling element for cooling a medium, and a first radiator fan for continuously generating a forced air flow through at least one first region of the cooling element in order to cool the medium during operation of the combustion engine. The radiator fan arrangement also includes at least one extra radiator fan for being activated to generate an increased air flow through at least one second region of said cooling element in situations where the first radiator fan cannot provide sufficient air flow to cool as necessary the medium in the cooling element.

Abstract: A fluid cooler for cooling a fluid, such as oil, associated with an engine of a vehicle, such as a motorcycle, includes a housing for mounting to a portion of the vehicle. In one embodiment, the housing is tubular in shape. First and second vents for air flow are formed in the housing. In one embodiment, the first vent is for air intake and is located in a first end cap of the housing, while the second vent is for air exhaust, is located in a second end cap and has a cross sectional area approximately equal to a cross sectional area of the first vent. Within the housing, a fluid passageway exists for containing a flow path of the fluid associated with the engine. A fan moves air past the fluid passageway. By the design of the cooler and its mounting orientation on the vehicle, in a preferred embodiment, substantially no air passes through the housing when the fan is not operating regardless of whether the vehicle is moving.

Abstract: An air cleaner unit for a vehicle includes an air cleaner element and an air cleaner housing to be arranged generally above ring portions of a fan shroud. The air cleaner element is disposed in the air cleaner housing such that a predetermined space is provided between a lower surface of the air cleaner element and an inner surface of a bottom wall of the air cleaner housing. The bottom wall of the air cleaner housing includes at least two arcuate portions to correspond to the ring portions of the fan shroud and a projecting portion between the arcuate portions. The projecting portion projects downwardly and is configured to increase the volume of the predetermined space.

Abstract: A motor vehicle engine and cooling fan arrangement mounted together by means of a tunable bracket assembly. The bracket assembly includes a bracket member, a washer and a bushing. The bracket member has an angled configuration for attenuating vehicular noise, vibration and harshness and the washer integrally formed therewith. The bushing is received in the bracket member for attenuated attachment to the vehicle engine.

Abstract: The invention relates to a cooling fan for a cooling system of the internal combustion engine of a motor vehicle, the cooling fan comprising at least one frame (10) for retaining a fan motor and a fan motor (24) for driving a fan wheel (26). The invention is characterized in that at least one motor casing component of the fan motor (24) is injection-molded into the frame material and/or is coated by said material by injection molding when the frame (10) is formed. The invention also relates to a method for producing said cooling fan. The method according to the invention is characterized in that at least one motor casing of the fan motor (24) is injection-molded into the frame material and/or is coated by said material by injection molding when the frame (10) is formed.

Abstract: A working vehicle, such as an agricultural combine, includes a vehicle body and an internal combustion engine carried by the vehicle body. The internal combustion engine includes a heat exchanger. An air scoop has an inlet positioned near a top of the vehicle body and facing in an upward direction, and an outlet positioned in association with the heat exchanger.

Abstract: A method and system for controlling the temperature of an engine system is disclosed. The method and system comprise measuring a coolant temperature of the engine system; measuring noise factors of the engine system; and controlling components of the engine system to provide for an optimal operation of the engine based upon the measured temperature and measured noise factors. Accordingly, a system and method in accordance with the present invention combines measuring noise factors such as coolant pressure or coolant concentration and the temperature and then adjusting the threshold values for factors such as fan on temperature and engine protection derate. In so doing the coolant temperature can be controlled within an acceptable range of values.

Abstract: A motor vehicle engine and cooling fan arrangement mounted together by means of a tunable bracket assembly. The bracket assembly includes a bracket member, a washer and a bushing. The bracket member has an angled configuration for attenuating vehicular noise, vibration and harshness and the washer integrally formed therewith. The bushing is received in the bracket member for attenuated attachment to the vehicle engine.

Abstract: A heat exchange apparatus has a housing, a first fan cooperative with the housing for drawing air through the housing, an air flow line extending within the housing, a second fan connected to the air flow line for drawing air along the air flow line, and a coolant tube extending in a helical pattern around in the air flow line. A conduit extends over and around the coolant tube and the air flow line. The second fan passes air in heat exchange relationship to the coolant tube interior of the conduit. The housing can be placed forwardly of an engine of a vehicle.

Abstract: A machine includes a body having a cooling air inlet and a cooling air outlet, and having an engine compartment therein. A second compartment is positioned vertically above and fluidly connected with the engine compartment. At least one open-air operator station is positioned on a deck of the body, and a cooling system draws cooling air in a flow path through the engine compartment, into the second compartment and exhausts the cooling air in a forward direction away from the operator station.

Abstract: A cooling system includes a cooling circuit, a pump, an electric fan, an electric motor connected with the electric fan, and a controller for controlling the electric motor. The pump is capable of being driven by the electric fan that receives a ram airflow generated when the motor vehicle is running. The controller controls the electric motor to be shifted between in a first operation state where electric power is supplied to the motor and in a second operation state where no electric power is supplied to the motor. The pump is driven by a rotating torque of the ram airflow and a rotating torque of the motor in the first operation state, and the pump is driven by the rotating torque generated by the ram airflow without the rotating torque of the motor in the second operation state.

Abstract: A method of cooling a radiator in an internal combustion engine wherein a plurality of fan assemblies is provided. Specifically, each fan assembly has a housing with an interior containing a fan blade and an exterior having six sides to form a hexagonal perimeter. The fan assemblies are then arranged side by side to form a cluster of fan assemblies in order to maximize the amount of fan assemblies that may be provided on an enclosure. The cluster of fan assemblies is then placed adjacent to a radiator to control the air flow over the radiator in order to cool the engine.

Abstract: In a cooling fan drive system for a travel type working machine, the rotational speed of a cooling fan is controlled to the optimum rotational speed in accordance with temperature increase of the temperature of an engine cooling water, and the engine rotational speed is smoothly increased when the engine rotational speed is increased under travel acceleration. A fourth fan target rotational speed calculator 35e and a minimum value selector 35f are provided, and under non-operation, the fan target rotational speed is set to a low rotational speed irrespective of the temperature. When an acceleration pedal 12 is depressed to increase the rotational speed of the engine under travel acceleration, the increase of the drive pressure of a hydraulic motor 23 due to increase of the rotation of the cooling fan 9 is suppressed, and the load on the engine 1 is reduced.

Abstract: A fan and shroud assembly has a rotatable hub and plural blades extending outward from the hub. A shroud surrounding the fan controls air blast resulting from rotation of the fan. The shroud includes a guide ring spaced a predetermined distance from the periphery of the fan. The ends of the blades are connected together. The guide ring includes continuous circular undulations having alternate differing radii of curvature to reduce air swirl along the periphery of the fan. The undulations surround the fan periphery.

Abstract: The invention relates to a motor vehicle comprising a water circuit for cooling its internal combustion engine, wherein the water circuit comprises an electrically operated engine fan and the engine fan is assigned a linear regulator which is thermally coupled to the water circuit.

Abstract: The engine and cooling system arrangement includes an engine supported between the forward and rear ends of the frame of a harvesting machine, in an engine compartment. A cooler box containing at least one heat exchanger is disposed higher than and vertically offset from, the engine, and has an inlet opening facing sidewardly and covered with an air screen. A discharge opening faces in an opposite side direction. A fan generates a sideward air flow through the filter screen, cooler box and at least one heat exchanger, and outwardly through the discharge opening, away from an operator cab of the machine. A portion of the air flow will be directed into an air flow duct extending downwardly and forwardly to the engine compartment to create a positive air pressure condition therein, to limit infiltration of unfiltered air. The air is discharged from the engine compartment away from the cab.

Abstract: An engine cooling structure (20) includes a condenser (22) constructed and arranged to be disposed on a grille side of a vehicle, a radiator (24) constructed and arranged to be disposed on an engine side of a vehicle, and an engine cooling fan module (26) sandwiched directly between the condenser and radiator. The module has at least one motor (28) driving at least one fan (30) such that when the fan moves air, air is pulled through the condenser and pushed through the radiator.

Abstract: A fan shroud assembly includes a fixed fan shroud and a removable fan shroud. An upper retention system integral with the fixed and removable fan shrouds secures the two circumferential ends of the removable fan shroud to the fixed fan shroud. A lower retention system integral with the fixed and removable fan shroud secures the center of the removable fan shroud to the fixed fan shroud. No additional fasteners are required to connect the removable fan shroud to the fixed fan shroud because of the integral nature of the upper and lower retention systems.

Abstract: A cooling system for a machine is provided. The machine has an operator compartment, a front end, and an engine cooled by a first heat exchanger and mounted within an engine compartment. The engine compartment is positioned behind the operator compartment in relation to the front end. A fan is mounted within the engine compartment and has an inlet and a first and a second outlet. A second heat exchanger is fluidically coupled to the fan and the engine and mounted within the engine compartment. A first fluid flow path extends from ambient to the inlet. A second fluid flow path extends from the first outlet to ambient and extends through the second heat exchanger. A third fluid flow path extends from the second outlet to ambient and extends through the first heat exchanger, and is thermally isolated from the second fluid flow path.

Abstract: A one piece fan shroud for a tractor has first and second faces, a frame with top, left and right sides, a bottom, and an upper wall extending from the top of the frame. The upper wall, left and right sides of the fan shroud are dimensioned to match the internal geometry and seal with an internal surface of a tractor hood. A rubber seal may extend around the upper wall and the left and right sides of the frame.

Abstract: The invention relates to an electronic module (2) for a fan or a cooling air blower of an internal combustion engine in a motor vehicle. According to the invention, the electronic module (2) comprises at least one deformable element (12, 28, 68), which when deformed can engage with part (4) of the fan or the motor vehicle in a detachable manner.

Abstract: A method of controlling a fluid actuated fan drive system (12) for an engine (14) includes determining an engine speed. The speed of a fluid actuated engine-cooling fan (16) is limited when the engine speed is greater than or equal to an engine over-speed level. The fluid controlled fan drive system (12) includes a sensor (31) that generates an engine speed signal. The system (12) also includes the fluid actuated engine-cooling fan (16) and an engagement circuit (36) that is coupled thereto. A controller (28) is coupled to the sensor (31) and the engagement circuit (36) and limits operating speed of the engine-cooling fan (16) to less than a predetermined level when the engine speed signal is indicative of an engine over-speed condition.

Abstract: The invention relates to a cooling system for a motor vehicle comprising a first heat exchanger (1), in particular, embodied in the form of a main cooler for cooling a first liquid coolant (3) of an internal combustion engine (2) by means of an air flow coming from the ambient air and a second heat exchanger (7, 13, 407, 415) for cooling gases introduceable into the internal combustion engine, in particular, exhaust gases and/or charge air, wherein the second heat exchanger (7, 13, 407, 415) is coolable by the an air flow coming from the ambient air and is spatially separated from the main cooler (1).

Abstract: A shroud 15 attached to an air discharge side of a radiator 13 narrows toward a centrifugal-flow-type rotary fan 11 and forms a cylindrical shape. A surrounding portion 17 is provided so as to surround the rotary fan 11, and a guide portion 19 extending in the centrifugal direction of the rotary fan 11 is provided at the end of the surrounding portion 17. The length of the guide portion 19 is about 6% the diameter of the rotary fan 11. Since this mitigates turbulence of centrifugally flowing air 21 flowing out of the rotary fan 11 and suppress a drop in the amount of air passing through the radiator 13, the cooling capacity of the radiator 13 can be enhanced.

Abstract: An engine, a cooling fan and a heat exchanger are disposed within an engine room covered with a cover member, while an intake chamber is formed on an intake side of the heat exchanger. A first intake port is formed in an upper chamber wall of the intake chamber and a duct is disposed on a front face side of a heat exchanger core surface in the intake chamber. In a cooling structure of a construction machine which premises the above construction, a front face portion of the duct is inclined in a direction in which the sectional area of an intake passage formed between the duct front face portion and a side face portion of the cover member becomes maximum at the upper portion and decreases gradually toward the lower portion, and a second intake port is formed in a lower half of the front face portion.

Abstract: In a method for controlling at least one fan (13) for the regulation of the cooling demand of at least two cooling elements (12) included in a drill rig (1), the cooling demand of each one of the cooling elements (12) being determined, that the determined cooling demands are weighted together and that the fan (13) is controlled based on the weighting together. At least one cooling element is equipped with a safety thermostat, which, if required, prevents undercooling by the fact that the fluid in question is not allowed to circulate in this cooling element. Also described is a drill rig for the execution of the above-mentioned method.

Abstract: The invention relates to an axial ventilator for the cooling device of an internal combustion engine, in particular for a motor vehicle, wherein said axial ventilator comprises a rotatably driven hub (2) provided with air blades (11-19) which are fixed thereto and radially inwardly limited by an internal diameter (Di) and radially outwardly limited by an external diameter (Da). In order to obtain a small-sized axial ventilator, the ratio between the internal (Di) and external (Da) diameters is greater than 40%.

Abstract: A system for providing an airflow to an enclosure associated with a power source may include a power source enclosure configured to substantially enclose a power source and a cooling package located external to the power source enclosure, including an airflow provider configured to produce an airflow through the cooling package. The system may further include an airflow redirector, configured to receive a portion of the airflow produced by the airflow provider, wherein the airflow redirector is also configured to redirect the portion of the airflow such that the portion of the airflow is provided to the power source enclosure.

Abstract: A cooling system for a hybrid power system that includes an engine employs an engine cooling circuit to deliver coolant to the engine, the engine cooling circuit including a radiator and a main fan to draw air through the radiator. When the hybrid power system further includes an inverter, then the inverter is cooled via an inverter cooling circuit that is formulated as one portion of the cooling system to deliver coolant to the inverter, the inverter cooling circuit including a heat exchanger located such that the main fan draws air through the heat exchanger when the main fan is active. The cooling system also includes a secondary fan to selectively draw air though the heat exchanger during operation of an inverter cooling circuit coolant pump.

Abstract: A cooling system for a work vehicle is disclosed that includes first and second heat exchangers disposed one above the other to create two discrete flow paths. The upper heat exchanger is an engine water cooler and the lower heat exchanger may be an intercooler, an oil cooler or a refrigerant condenser. The lower heat exchanger is disposed forward of the upper heat exchanger. Additional heat exchangers may be positioned in front of the first and second heat exchangers to provide additional cooling. The first and second heat exchanger may be cross-flow heat exchangers conducting the fluid to be cooled laterally through the core of the heat exchanger.

Abstract: A heat exchanger support structure has a heat exchanger, a heat exchanger support supporting the heat exchanger, and motor fan units. The heat exchanger support is integrally formed with motor fan shroud portions for directing the air flow caused by motor fans. Electric motors driving the fans are respectively surrounded by a cylindrical shroud member, which has stays received in holding portions formed on the shroud portion with an elastic member interposed between the stay and the holding portion. The arrangement of the shroud member, the motor fan unit, and the elastic member functions as a dynamic damper.

Abstract: A fan module (10) for mounting a fan of a vehicle includes a base (12), a motor mount (14) constructed and arranged to mount a fan motor thereto, and a plurality of connecting elements (16) each having a radial axis and an axis generally transverse to the radial axis. Each connecting element extends radially between the base and the motor mount, coupling the motor mount to the base. At least one connecting element is oriented about the radial axis thereof in a manner different from an orientation of at least one other connecting element with respect to its radial axis so that the orientation of the at least one connecting element generally reduces interference with in-vehicle air flow patterns.