Abstract: An airflow control device for controlling a flow of air through a grille of a vehicle includes a sheet of flexible material. The sheet is moveable between an open position allowing airflow through the grille and a closed position blocking airflow through the grille. The sheet moves in a generally vertical path between the open position and the closed position.

Abstract: A vehicle includes a cabin, a trunk area, a seating area located forward in the vehicle with respect to the trunk area, and a high voltage traction battery packaged in the trunk area. An electric motor is powered by the traction battery. A forced air system includes an inlet duct/inlet plenum arrangement for receiving air and providing air to the high voltage traction battery, an outlet duct for directing exhaust air from the high voltage traction battery, and a fan. At least one of the inlet duct / inlet plenum arrangement and the outlet duct forms a cross brace for the vehicle. The cross brace is located in the trunk area and extends between opposite sides of the vehicle to function as a structural member to provide structure and protect the high voltage traction battery.

Abstract: Some embodiments provide a system for optimizing electrical power management in a vehicle. The system includes a HVAC device and a thermal storage device, both configured to provide heating and cooling to an occupant compartment of the vehicle. The system further includes a controller connected to an electrical storage device and an electrical generating device. The controller receives electrical power generated by the electrical generating device and directs the electrical power to satisfy the vehicle's power requirements and/or stores the electrical power in at least one of the electrical storage device and the thermal storage device. Furthermore, the controller directs at least one of the HVAC device and the thermal storage device to provide heating and cooling to the occupant compartment of the vehicle, depending on the available storage of the thermal storage unit or occupant compartment demands.

Abstract: A self-propelled, low-emission vehicle includes an internal combustion engine, a vehicle cooling assembly, and an engine exhaust assembly disposed within an engine compartment. The vehicle cooling assembly includes an enclosure and a powered fan to vent the enclosure by drawing a stream of cooling air therethrough. The engine exhaust assembly carries exhaust gas through exhaust lines from the engine, which is disposed outside of the enclosure, through an exhaust treatment device, which is disposed inside of the enclosure, and out to the environment. A fan shroud assembly defines an outlet margin of the enclosure and includes a shroud body defining a pair of passageways through which the exhaust lines pass. The fan shroud assembly includes an insulated connection assembly disposed adjacent each passageway to provide sealing connection between the respective exhaust line and the shroud body while prohibiting direct contact between the respective exhaust line and the shroud body.

Abstract: A car battery array is provided with battery blocks (2) having a plurality of connected batteries (1), a first load-bearing plate (3) on top of which the battery blocks are mounted, a second load-bearing plate (4) attached on both sides to the first load-bearing plate and covering the tops of the battery blocks, and a reinforcing rod (5) that connects with the second load-bearing plate and the battery blocks to attach the second load-bearing plate to the battery blocks. The battery blocks are disposed in a battery compartment (6) established inside the first and second load-bearing plates, which are joined together on both sides. The battery blocks are mounted on top of the first load-bearing plate and connected to the second load-bearing plate via the reinforcing rod to support the battery block load with the first load-bearing plate and the second load-bearing plate.

Abstract: A temperature adjustment structure for adjusting a temperature of a power storage module included in a power storage apparatus mounted on a vehicle has a duct forming a moving path of air in adjusting the temperature of the power storage module. The duct has a protrusion portion protruding toward the outside of the duct with respect to a surface forming the moving path. The protrusion portion is located above a connector that is provided additionally for the power storage apparatus and used for electrical connection to equipment (peripheral equipment) placed parallel with the power storage module within the power storage apparatus. At least a connection portion of the connector is located within an area of the protrusion portion when viewed from a vertical direction.

Abstract: A working vehicle has a body, an internal combustion engine in an engine compartment in the vehicle body; and an air scoop having an inlet positioned near a top of the vehicle body and facing in an upward direction, the air scoop pivotable between a first closed, transport position, and a second open, operating position for directing air into the engine compartment when the air scoop is in the open, operating position.

Abstract: A battery thermal system for use in a vehicle having a power plant, an air conditioning system and a battery pack, and a method of operation, is disclosed. The battery thermal system may include a refrigerant-to-coolant heat exchanger that selectively receives a refrigerant from the vehicle air conditioning system; a battery radiator located adjacent to a cooling fan; a valve that receives a liquid coolant from the battery pack and selectively redirects the liquid coolant to the refrigerant-to-coolant heat exchanger and the battery radiator; and an electric pump for pumping the liquid coolant through the battery pack, the valve, the refrigerant-to-coolant heat exchanger and the battery radiator. The battery thermal system may also include a battery coolant heater for selectively heating the coolant that flows into the battery pack.

Abstract: The exhaust port 35b of the transmission air exhaust duct 35 is provided to one side of the steering shaft 28 with respect to the widthwise direction of the vehicle, an air intake port 9a is provided to the other side of the steering shaft 28 with respect to the widthwise direction of the vehicle.

Abstract: A battery arrangement (1) has at least two battery cell packs (2, 3) arranged in a common battery housing (4). The battery housing (4) has at least one first opening (5) for supplying cooling air and at least one second opening (6) for discharging heated air. The battery cell packs (2, 3) are arranged one above the other and delimit a tunnel (7) therebetween in a height direction. At least one of the first and second openings (5, 6) is arranged substantially at the same level as the tunnel (7). The tunnel (7) is closed at a side facing one of the first and second openings (5, 6) so that air flowing between the first and second openings (5, 6) is channeled through or around the battery cell packs (2, 3).

Abstract: A saddle-type vehicle has an engine having an intake port, a fuel tank in fluid communication with the engine, and a heat shield. A snorkel defines a flow passage and a passage opening. The flow passage is in fluid communication with the passage opening and the intake port. The flow passage has an upstream portion that has a centerline. The heat shield at least partially defines a chamber in fluid communication with the passage opening. During operation, the engine draws air through the chamber, the passage opening, and the flow passage. The heat shield includes a reflecting wall extending at an oblique angle to the centerline. The reflecting wall is configured to reflect pressure pulses emanating from the passage opening, back through the passage opening, and toward the intake port during operation of the engine.

Abstract: An engine compartment arrangement for an agricultural harvester comprises an engine (10), a diesel particulate filter (12) coupled to the engine (10) to receive and filter hot exhaust gases therefrom, a fan (14), a radiator (16) disposed in a cooling airflow path in front of the fan (14) and coupled to the engine (10) to cool said engine (10), a cleaning air duct (18) having a first end (20) disposed immediately behind the fan (14) to receive a portion of the air ejected from the fan (14), and having a second end (22) disposed adjacent to the top of the diesel particulate filter (12) to exhaust a jet of the ejected air at a sufficient speed and in sufficient volume across the top surface (24) of the diesel particular filter (12) to prevent an accumulation of agricultural debris on top of the diesel particulate filter (12).

Abstract: A battery housing structure, in an electric vehicle, is operable to regulate a temperature of a battery disposed between front and rear wheels of the vehicle. The battery housing structure includes a main housing body for receiving the battery, inlet and outlet ports for respectively supplying air to and discharging air from the main housing body; and a fan for discharging air from the main housing body. A bypass passage is provided in the battery housing structure for selectively connecting a downstream side of the fan with the inlet ports. First and second air flow control valves are also provided in the battery housing structure for selectively controlling and routing the flow of air within the battery housing structure.

Abstract: A self-propelled low-emission off-road vehicle has an internal combustion engine supported in an engine compartment and also includes a vehicle cooling assembly and an engine exhaust treatment device positioned in the compartment. The vehicle cooling assembly includes a powered fan and an enclosure with a heat exchanger operable to discharge heat produced by the vehicle. The enclosure presents an inlet, outlet, and air flow plenum, with the fan directing air flow along a path between the inlet and outlet. The exhaust treatment device is operable to treat engine exhaust flow. The exhaust treatment device is positioned at least partly in the air flow plenum and in the path between the inlet and outlet.

Abstract: A control system for a variable pitch radiator fan is disclosed. The control system is capable of varying the blade pitch of the radiator fan from a normal position to a full reverse position. The control system can change the blade pitch based on a number of factors, including vehicle speed. In systems with a plurality of fans, the control system is also capable of independently controlling the blade pitch of each of the fans. In systems with multiple fans, the control system can produce a circulation mode.

Abstract: Improved cooling capacity for a V-belt continuously variable transmission that is compatible with miniaturization of a vehicle body cover is provided in a saddle-ride type vehicle. A concave-shaped space recessed downward is compartmented forward of a seat by a vehicle body cover. An engine unit is supported by the vehicle body frame below the concave-shaped space. The engine unit includes a transmission case formed with a belt chamber in which a V-belt continuously variable transmission is accommodated. An intake duct defines an air passage communicated to the belt chamber. The intake duct is arranged between the transmission case and a leg shield.

Abstract: A utility vehicle is disclosed having a flat or quasi-flat floor section in an operator area. The utility vehicle may also include an air inlet for an engine intake system being forward of the operator area. The utility vehicle may also include an air inlet for a CVT cooling system positioned to draw air from the operator area. The utility vehicle may also one or more cup holders positioned in the operator area below seat level.

Abstract: A cooling enclosure is mounted to the frame of a grass mowing machine adjacent the engine cooling fan of an internal combustion engine. The engine cooling fan draws ambient air across the controllers and batteries in the cooling enclosure. The cooling enclosure includes a one piece molded plastic structure that holds and supports batteries and electronic controllers at positions spaced from its bottom surfaces. One or more removable or hinged panels cover the top of the structure.

Abstract: Methods and systems are provided for reducing aerodynamic drag on a moving vehicle. One example method comprises, during a first vehicle moving condition, operating the cooling fan, and during a second vehicle moving condition, selectively applying a braking torque on the fan.

Abstract: A vehicle front portion structure is provided which can lengthen a wheel base without increasing the size of a vehicle body. A vehicle front portion structure is provided with a bumper reinforcement of a front bumper, a power unit that drives a front wheel arranged to a vehicle rear of the bumper reinforcement, and a cooling unit which is arranged at a vehicle front of a dash panel, and is arranged at a vehicle rear of the power unit.

Abstract: Air is cooled by a heat exchanger of a vehicle. The cooled air is directed to a cabin and/or battery of the vehicle. Ports in the cooling path direct the cooled air to the cabin and/or battery.

Abstract: A method for operating a cooling system for a fuel cell stack in a vehicle is provided. The method includes the steps of: determining a fan request for a variable speed fan disposed in the cooling system; employing a noise-comfort function to select a fan comfort request; and adjusting a speed of the variable speed fan in response to the fan request; wherein a noise emission by the variable speed fan is militated against. A cooling system for a fuel cell stack in a vehicle that employs the noise-comfort function is also provided.

Abstract: Fuel tank 10 is provided such that its front end 10? is located to the rear of the rear end 20a? of crankcase 20a; air intake duct 34 of transmission case 21a has an intake port 34b arranged above air intake opening 21b of transmission case 21a, with at least a portion of it being forward of the rear end part 8? of handlebar member 8 at the time of maximum turning thereof; and exhaust duct 35 has an exhaust port 35b arranged above exhaust opening 21c of transmission case 21a, with at least a portion of it being forward of the rear end part 8? of handlebar member 8 at the time of maximum turning thereof.

Abstract: An engine room is divided into a left room and a right room by a cooling unit. An intake chamber is disposed at a left side and an engine and the like are disposed at a right side. A cooling heat sink is provided on a side of the intake chamber, and a storage and a controller for controlling hybrid electronic devices are formed in this order in a cooling heat sink. Further, a cooling pump for supplying cooling liquid to the cooling heat sink is provided in the intake chamber. A radiator for cooling the cooling liquid is provided in front of the cooling unit.

Abstract: A vehicle is described that can efficiently cool or heat a group of components, in view of appropriate operating temperature ranges of respective components configuring a fuel cell power supply system, while realizing saving of a mounting space in the vehicle and cost of the vehicle. The vehicle mounted with a fuel cell power supply system includes at least a fuel cell, and an accumulating unit includes a capacitor and a secondary battery connected to the fuel cell. A motor serves as a power source for the vehicle to which output sections of the fuel cell and the accumulating unit are connected. A PDU provided between the output sections and the motor. A component group of the power supply system, including the fuel cell, the accumulating unit, and the PDU, is cooled by a cooling medium which flows inside the vehicle, in order from one having a lowest heating generation amount.

Abstract: An intake air passage, formed through a motorcycle body frame, reduces changes in pressure within an air routing duct member due to opening and closing of a throttle, and also reduces pipe resonance of the air routing duct member. The air routing duct member extends longitudinally from the intake air passage and directs fresh air to another air passage. The air routing duct member includes openings that communicate with hollow sections provided in a portion of an adjacent support structure, such as an instrumentation support member. When the throttle is opened rapidly, air from the hollow sections is temporarily supplied to the air routing duct member, reducing changes in internal air pressure in the air routing duct member due to throttle operation. Resonance chambers are formed above the air routing duct member, and communicate through communication pipes with a space within the air routing duct member to reduce duct pipe resonance.

Abstract: To prevent an engine from being thermally affected by the air that has passed a radiator. A engine and a radiator for cooling the engine are attached to the body frame. An air guide plate permits lead air striking the radiator to a desired position to be disposed between the radiator and the engine. The air guide plate is formed with an upper wall at its upper portion, with lateral walls at its respective left and right lateral portion, and with an opening portion at its lower portion for discharging the discharge air of the radiator.

Abstract: A straddle-type vehicle provided with a transmission air intake passage for sending air into a transmission case housing a continuously variable transmission prevents an increase in vehicle width and prevents sand or the like from entering the air intake passage by covering the front side of the air intake passage. The transmission air intake passage extends upward from the transmission case on an outer side in a vehicle width direction of a main frame. A rearward cover covers the main frame and extends outward in the vehicle width direction to cover the rear side of the transmission air intake passage. A forward cover is curved forward from an edge outside in the vehicle width direction of a right leg shield part constructing the rearward cover and covers the transmission air intake passage from a front side.

Abstract: A vehicle having a front seating row, a rear seating row, and an electric compartment located behind an/or beneath the rear seating row has a duct extending forward from the electric compartment. The duct carries air exiting the electric compartment toward a HVAC system intake located forward of the front seating row. The air from the electric compartment may thus be drawn through the HVAC system for cooling before being returned to the passenger cabin, yielding improvements in both electrical equipment cooling and passenger comfort.

Abstract: A valve operating system that includes a drive shaft, a drive lever that is fixedly provided thereon and can pivot in a direction of movement of a valve body, a follower arm that is fixedly provided on the valve body, a link, a first connecting shaft that connects one end of the link and the drive lever, and a second connecting shaft that connects the other end of the link and the follower arm; in response to a movement of the valve body from a first position to a second position by pivoting of the drive lever, a center of the first connecting shaft approaches from one side a straight line connecting two centers of the drive shaft and the second connecting shaft, and after the valve body reaches the second position, further pivoting of the drive lever is carried out through a predetermined angle so that the center of the first connecting shaft moves to the other side of a dead point on the straight line.

Abstract: A rotating radiator screen has a series of fins surrounding the peripheral edge of the screen at its interface with a wall surface of the machine on which the screen is mounted. An annular baffle on the wall surface circumscribes the fins and cooperates with them in producing positive pressure and an axially outwardly moving curtain of air in the vicinity of the interface so as to oppose the ingress of ambient air and foreign materials at that location.

Abstract: A fan unit for an agricultural machine includes a fan housing configured to define a plurality of fan chambers. Each fan chamber of the plurality of fan chambers has a respective air inlet port and a respective air outlet port. A shaft is rotatably mounted to the fan housing. The shaft has an axis of rotation that intersects the plurality of fan chambers. A plurality of fans is attached to the shaft for rotation with the shaft. Each fan of the plurality of fans is located in a separate respective fan chamber of the plurality of fan chambers.

Abstract: A vehicle motor system includes a motor that receives cooling fluid flow from two different cooling sources. A control, such as a valve, selectively changes the cooling flow between the two cooling sources in response to an operational state of the vehicle.

Abstract: An electric motorcycle is provided that can air-cool a power drive unit without the provision of a plurality of cooling fans. In an electric vehicle in which a battery box housing batteries is disposed below a foot rest space and electricity supplied from the batteries is supplied to a running-purpose power-generating motor via a power drive unit, the power drive unit is attached to a swing arm turning around a pivot shaft and the battery box is formed with an air introduction port and an air discharge port used to cool the batteries. A cooling fan is provided which sucks air in the battery box from the air discharge port and sends the air toward the power drive unit. The cooling fan is disposed rearward of the air discharge port of the battery box and close to the pivot shaft.

Abstract: A cooling system (500) for an electric drive system includes a cooling duct (502) extending between a first component and a second component. A motor (336) driven fan (510) creates an airflow within the duct. A first temperature sensor measures a first temperature of the first component and a second temperature sensor measures a second temperature of the second component. An electronic controller (540) receives the first temperature and calculates a first temperature difference between the first temperature and the first temperature limit (802) to generate a first command (836) for the motor (336). A second temperature difference between the second temperature and the second temperature limit (802) generates a second command (836) for the motor (336). The controller (540) then selects the greater of the first command (836) and the second command (836) to yield the maximum command (836), and controls the motor (336) based on the maximum command (836).

Abstract: In a battery cooling air intake structure, in which a trunk side lining (35) of a vehicle body side part is disposed so as to be continuous with a side part of a seat back (32) of a seat for a passenger to sit on, and a battery is cooled using, as cooling air, air within a vehicle compartment taken in via an intake port (36) provided in a front face (35a) of the trunk side lining (35), since a seat belt (38) is disposed so that at least part thereof in a non-used state overlaps the intake port (36) when viewed in the vehicle body fore-and-aft direction and a predetermined gap (b) is formed between the intake port (36a) and at least part of the seat belt (38) when viewed in the vehicle width direction, it is possible to prevent interference with the intake of cooling air due to the intake port (36) being blocked by the seat belt (38), while disposing the seat belt (38) as far toward the outside in the vehicle width direction as possible so that it does not overlap the seat back (32).

Abstract: A cooling apparatus cools a battery and a DC/DC converter. In a duct, a battery cooling fan having a great rated capacity is installed. The duct branches into a battery-side intake duct and a DC/DC converter-side intake duct on the downstream side of the battery cooling fan. In the battery-side intake duct, the battery is installed to received cooling air. In the DC/DC converter side intake duct, the DC/DC converter is installed to receive cooling air. A DC/DC converter cooling fan having a small rated capacity is installed directly upstream of the DC/DC converter. An ECU controls the two cooling fans based on the temperature of the battery and the DC/DC converter.

Abstract: An embodiment of a high-performance car having a car body; at least one member for cooling; at least one cooling duct extending between an inlet opening and an outlet opening, both formed through the car body, to conduct outside cooling air through the member for cooling; and at least one blow duct which terminates at a blow opening, formed through the car body, to direct an air jet which interacts with the airflow about the car body to alter the streamline configuration of the car; the blow duct originates at an initial portion of the cooling duct, upstream from the member for cooling, and has a deflecting device which can be activated to divert at least part of the air in the cooling duct to the blow duct.

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 vehicle has a heat-emitting component and a thermoelectric generator, which has a heat-absorbing component thermally coupled with the heat-emitting component, and which generates electric energy from the temperature gradient between the heat-absorbing element and a heat sink. The thermoelectric generator is arranged directly on the heat-emitting component and is connected thereto in a thermally conductive manner.

Abstract: A thermal management system for an automotive vehicle includes air cooled heat exchangers for an HVAC system, for a prime mover, and for various electronics componentry. All heat exchangers are cooled by a common air stream flowing from the ambient. The amount of heat imparted to the air stream through the HVAC system is controlled as to permit optimal cooling of the vehicle electronics and vehicle prime mover.

Abstract: A system for turning waste heat from the engine of a motorcycle into useable electricity through the use of thermotunneling and thermionic devices. The system described also provides cooling for the engine and driver along with pressurized air flow for use in cooling or forced induction. This air flow can also be diverted and pushed through a pored seat to keep the rider cool and dry. The use of thermionic or thermotunneling devices can also be used to aid in the cooling of the water or engine components.

Abstract: Electrical units are effectively cooled, even if the longitudinal length of the cover member in which the electrical units to be cooled are accommodated is short, by easily guiding a flow of air during operation toward the electrical units. A second cover member which constitutes at least a part of a body cover together with a first cover member is positioned ahead of the first cover member which accommodates an electrical unit to be cooled. Inlets which let a flow of air during operation into the second cover member are disposed in the second cover member. An outlet for discharging a flow of air during operation out of the first cover member is provided in the first cover member.

Abstract: Mechanisms are described for selectively closing grille and/or bumper openings. These mechanisms may be operated in response to one or more vehicle parameters. Closure mechanism control signals may be delivered to such mechanisms along a vehicle databus. In addition, vehicle parameters used in determining the control of such mechanisms may be sensed and provided along the databus to a controller which then processes the parameter information for determining whether to open or close the vehicle grille closing mechanism and/or the vehicle bumper opening closing mechanism.

Abstract: An all terrain vehicle contains a partition wall which partitions a passenger space and a hood which is arranged ahead of the partition wall. When viewed from the side of the vehicle, an air outlet of an exhaust passage is opened in an upper space located between the partition wall and the hood.

Abstract: A noise suppressor for a straddle-type vehicle provided with a belt type continuously variable transmission having a resin-block-type belt. A portion of an air passage for guiding air to a belt chamber is formed in a closed casing. The closed casing includes a dish-shaped first casing member and a dish-shaped second casing member. An inlet port and an exhaust port are formed in the second casing member. Partition walls in the form of curved plate pieces are formed in the first casing and second casing members. Air flow paths formed by the partition walls are U-shaped, thereby forming a serpentine flow.

Abstract: A fuel cell system for a hybrid vehicle that includes a high voltage battery, where the system uses a cathode exhaust gas airflow from a fuel cell stack to draw air through a battery compartment in which the battery is mounted to provide battery cooling. An air intake line is in fluid communication with the passenger compartment of the vehicle and the battery compartment. An ejector line is in fluid communication with the battery compartment and the cathode exhaust gas pipe. The flow of the cathode exhaust gas around the injector pipe creates a low pressure area, which draws air through the battery compartment from the passenger compartment. In one embodiment, a compressor that provides the cathode inlet air to the fuel cell stack is used at low stack output loads, such as during vehicle idle, to direct air through the cathode exhaust gas pipe, and cool the battery system under low load conditions.

Abstract: A work vehicle, such as a compact loader, has a cooling system including a cooling fan generating air flow to cool engine components. The fan is shown as an axial flow fan having an inlet throat in a shroud surrounding the fan. The inlet throat is under a negative or low pressure, and a duct or conduit is connected to the inlet throat and to a precleaner of an air filter assembly providing combustion air to the engine. The negative pressure in the inlet throat causes air to flow from the precleaner to the inlet throat.

Abstract: A riding type vehicle with improved cooling function of a V-belt continuously variable transmission and a compact body cover. A front side of a seat is partitioned with a space recessed to a lower side. The inside of a vehicle body cover is partitioned with a center tunnel. An engine unit is supported by a vehicle body frame on a lower side of the recessed space. The engine unit includes a transmission case having a belt chamber containing the V-belt continuously variable transmission. A footrest is arranged on an outer side in a vehicle width direction of the transmission case. An intake duct that guides air for cooling the V-belt type continuously variable transmission is disposed on an outer side in a vehicle width direction of the center tunnel and on an upper side of the transmission case.

Abstract: A vehicle motor system includes a motor that receives cooling fluid flow from two different cooling sources. A control, such as a valve, selectively changes the cooling flow between the two cooling sources in response to an operational state of the vehicle.