Abstract: An auxiliary power unit for a vehicle is configured to provide cool or heated air within the vehicle with the main engine off. The auxiliary power unit includes an auxiliary diesel engine that receives fuel from the fuel tank of the vehicle. The auxiliary diesel engine is connected to a hydraulic pump of a hydraulic power system by a first magnetic clutch to provide mechanical power. The hydraulic pump converts the mechanical power to hydraulic power. The hydraulic power system delivers the hydraulic power to a hydraulic compressor drive motor that converts it back to mechanical power. The hydraulic power system is connected to a compressor drive via a second magnetic clutch. The compressor drive provides power to an air conditioner (AC) compressor of the vehicle such that the AC compressor activates while the auxiliary power unit is operating.

Abstract: The present invention relates to a component part of a climatization system or window system for a recreational vehicle, the component part covers a mounting frame of the climatization system or window system and the component part is selected from an air distribution unit that is configured to distribute air inside the recreational vehicle, a decorative window frame and a shading unit for adjusting the amount of incident light, the component part has one or more attachment portions which, in a mounted state, are accessible by the user from inside the recreational vehicle, wherein each of the one or more attachment portions is either connectable to one particular module or to a plurality of different modules in a mutually exchangeable manner, and wherein the modules include sensors for detecting events or parameter changes inside the recreational vehicle or emitting devices for emitting light or sound.

Abstract: An air cycle machine includes a turbine section, a compressor section, and an axial flux magnetic gear system electromechanically coupling the turbine section to the compressor section. The axial flux magnetic gear system includes a stator, two rotors, a winding system, and a control module. The stator includes stator pole sections and is oriented about a stator axis. Each rotor includes magnets arranged radially about a rotational axis which is aligned with the stator axis. Each rotor interacts with the stator such that the rotor rotates at a rotational speed when the axial flux magnetic gear system is exposed to an electrical current. The winding system stabilizes the position of the rotors along their rotational axes. The control module is configured to supply the electrical current to at least one of the winding system, the stator, and the rotors to drive rotation of the rotors.

Abstract: A temperature-controlled transport container (10) has a cargo space (1) for accommodating temperature-sensitive goods and a refrigeration system. The refrigeration system comprises a closed air circuit (2), separate from the cargo space and located outside of and contiguous with at least one wall (9) of the cargo space. The refrigeration system further comprises at least one refrigeration unit (5) configured to cool air in the closed air circuit. The refrigeration system also comprises a pressurizing unit (8) for establishing a pressure difference between the closed air circuit and the ambient environment (20) outside of, but in a vicinity of, the temperature-controlled transport container.

Abstract: The embodiments disclose a modular and interchangeable temperature control transport system including an insulated box configured to contain at least one temperature sensitive item from a group of hot food or cold food or medical or pharmaceutical items, a heating module device coupled to the insulated box and having a circulating fan configured to move internal air from the insulated box over a heating element and back into the insulated box for keeping temperature sensitive items above a predetermined safe temperature, a cooling module device having an evaporator plate configured to maintain an adjustable temperature inside the insulated box when activated for keeping temperature sensitive items below a predetermined safe temperature, a port coupled to the insulated box configured to allow interchangeability between the heating and cooling modules, and at least one insulated box removable rechargeable battery configured to provide power to the heating and cooling modules.

Abstract: An emergency lights assembly for emergency vehicles provided with an air conditioning unit is aerodynamically shaped, surrounds at least a portion of an air conditioning unit, and includes a front fresh air inlet and a top air outlet allowing the assembly to be mounted directly in contact with the cab of an emergency vehicle.

Abstract: A temperature regulating apparatus can comprise a housing, an intake fan, an outlet fan, and one or more canisters containing a pressurized cooling gas, such as carbon dioxide, freon, nitrogen, difluoroethane, trifluoroethane, or tetrafluoroethane, positioned within the housing. The inlet fan draws warm air from outside of the housing into the housing through vent openings formed in the housing. Cooling gas is released from the canisters when a temperature sensing device detects the ambient temperature is above a predetermined desired temperature, and the outlet fan blows cooled air out of the housing through the vent openings, whereby the ambient temperature outside of the housing can be cooled to the predetermined desired temperature.

Abstract: A heat-transfer liquid circuit for an electric vehicle propelled, at least in part, by an electric motor, the circuit including a first leg, and the first leg includes, at least, a pump, a first heat exchanger configured to exchange heat energy between the heat-transfer liquid and a refrigerant fluid, an electric-heating device, and a second heat exchanger configured to exchange heat energy between the heat transfer liquid and a flow of air dispatched towards the interior of the vehicle. The circuit also includes a second leg, and the second leg includes a third heat exchanger thermally coupled to a component of an electric drivetrain of the vehicle. The circuit further includes a third leg arranged in parallel with the first leg and connected to the latter by a member for distributing the heat-transfer liquid.

Abstract: A fan structure is provided with a fan, a fan support, a base, and a motor. The fan is provided with a rotational shaft rotatable about a rotational shaft, and a blade coupled to the rotational shaft to rotate about the rotational axis together with the rotational shaft. The fan support rotatably supports the rotational shaft. The base slidably supports the fan support so as to be slidable in the sliding direction. The motor includes a motor main body supported by a fan support opposite to the rotational shaft of the fan in the axial direction along the rotational axis, and a motor rotational shaft connected to the rotational shaft so as to rotate the rotational shaft.

Abstract: A control device of a vehicle air-conditioning apparatus has an outside air heat absorption heating mode in which a refrigerant that has been discharged from a compressor and has dissipated heat in a heating unit absorbs heat in an outdoor heat exchanger, and a combined heating mode in which the refrigerant that has been discharged from the compressor and has dissipated heat in the heating unit absorbs heat in the outdoor heat exchanger and a chiller heat exchanger, and upon switching from the combined heating mode to the outside air heat absorption heating mode, performs control in such a manner as to increase a degree of opening of a first electronic expansion valve to a given degree of opening, maintain the given degree of opening for a given period of time, and fully close a second electronic expansion valve within the given period of time.

Abstract: A hydraulic assembly of an electrically operable axle drive train having at least one electric machine and having a control unit, the hydraulic assembly including a first hydraulic pump for conveying a first hydraulic fluid from a hydraulic reservoir into a first hydraulic path, which is coupled to a first hydraulic connection point of a first switching valve, wherein the switching valve has a second hydraulic connection point, which is coupled to a second hydraulic path, the second hydraulic path connecting the second hydraulic connection point to a first cooling fluid connection point of the electric machine, and the electric machine including a second cooling fluid connection point, which is connected to a third hydraulic path coupled to a third connection point of the first switching valve, and wherein the first switching valve has a fourth hydraulic connection point, which is coupled to a fourth hydraulic path leading into the hydraulic reservoir.

Abstract: A thermal management system, comprising: a primary coolant circulation system for cooling a first coolant by circulating the first coolant which is heat-exchanged with cooling water through a first water-cooled condenser; a secondary coolant circulation system for cooling a battery chiller by using a second coolant which is heat-exchanged with the first coolant of the primary coolant circulation system; and a second cooling line for cooling a battery by circulating cooling water which is heat-exchanged through the battery chiller, wherein the number of revolutions of the first condenser of the primary coolant circulation system is less than the number of revolutions of the second condenser of the secondary coolant circulation system, or the first coolant and the second coolant are heat-exchanged via the cooling water, such that the battery can be cooled efficiently during rapid charging.

Abstract: The present invention relates to a novel split level sorption refrigeration system. In particular, the present invention provides a split level sorption based unit as a novel method of using the traditional sorption based refrigeration unit. The present invention offers orientation free configuration with efficient cooling power delivery to the various cooling load locations which is achieved by splitting the evaporator of the sorption chiller from the sorption beds and the condenser.

Abstract: A fluid system may include a first fluid circuit configured to circulate a first fluid to cool or heat a non-combustion power source of a machine. The first fluid circuit may include at least one of a refrigeration unit to cool the first fluid or a heating unit to heat the first fluid. A cooling capacity of the refrigeration unit may exceed a cooling requirement of the non-combustion power source, or a heating capacity of the heating unit may exceed a heating requirement of the non-combustion power source. The fluid system may include a second fluid circuit configured to circulate a second fluid. The fluid system may include a heat exchanger in the first fluid circuit and in the second fluid circuit. The heat exchanger may be configured to cool or heat the second fluid using the first fluid.

Abstract: A mobile processing system is disclosed for the removal of radioactive contaminants from nuclear process wastewater. The system is fully scalable, modular, and portable allowing the system to be fully customizable according to site-specific remediation requirements. It is designed to be both transported and operated from standard sized intermodal containers or custom designed enclosures for increased mobility between sites and on-site, further increasing the speed and ease with which the system may be deployed. Additionally, the system is completely modular wherein the various modules perform different forms or stages of wastewater remediation and may be connected in parallel and/or in series. Depending on the needs of the site, one or more different processes may be used. In some embodiments, one or more of the same modules may be used in the same operation.

Abstract: Systems and methods for controlling the temperature and pressure of a cryogenic liquid methane storage unit are provided. The disclosed systems and methods generate methane gas from a reservoir of liquid methane stored within the methane storage unit, vent the methane gas through one or more outlet valves connected to the methane storage unit, and generate electric power using the vented methane gas. The generated electric power can then be used to initiating a cooling cycle, which reduces the temperature of said reservoir of liquid methane and reduces the pressure in said methane storage unit. Micro anaerobic digesters and methane storage units may be configured in a networked environment with a central controller that monitors remote units.

Abstract: A vehicle includes first and second fuel-cell stacks, a first coolant circuit including conduit arranged to circulate coolant through the first fuel-cell stack, and a second coolant circuit including conduit arranged to circulate coolant through the second fuel-cell stack. A heater is in fluid communication with at least the first coolant circuit. A valve arrangement is configured to proportion a flow of coolant between the first and second coolant circuits. The valve arrangement has an isolation position in which the first and second circuits are not in fluid communication and at least one mixing position in which the first and second circuits are in fluid communication. A controller is programmed to operate the value based on sensed conditions.

Abstract: A cooling apparatus for a vehicle for cooling a high-voltage device group mounted on the vehicle includes a radiator mechanism including a first radiator, a fan disposed adjacent to the first radiator, and a second radiator disposed between the first radiator and the fan. A first refrigerant circulation circuit performs heat exchange with a first group device in the high-voltage device group by circulation of a first refrigerant which radiates heat by the first radiator. A second refrigerant circulation circuit performs heat exchange with a second group device in the high-voltage device group by circulation of a second refrigerant which radiates heat by the second radiator. A chiller circuit includes a chiller where the chiller circuit includes a communication circuit which causes a downstream side of the chiller and an upstream side of the first radiator to communicate with each other through a flow-passage switching valve.

Abstract: The proposed invention relates to methods for controlling energy consumption by a motor vehicle, and can be used in transportation industry. The technical problem to be solved by the claimed invention is to provide a device and a system that do not possess the drawbacks of the prior art and thus make it possible to generate an accurate energy-efficient track for a motor vehicle that allows to reduce energy consumption by the motor vehicle on the specific portion of the route, as well as to reliably signal about energy consumption by the motor vehicle and the ways of reducing its energy consumption.

Abstract: The present disclosure relates to a motor driving apparatus and an air conditioner including the same. The motor driving apparatus and the air conditioner including the same according to an embodiment of the present disclosure include: a switching device disposed between an inverter and a motor, wherein while windings of the motor are connected in a first connection, an output current at a first level is output from the inverter, and while the windings of the motor are connected in a second connection, the output current at the first level is output from the inverter, such that it is possible to determine whether the switching device for switching connection of the motor is abnormal.

Abstract: A portable internal combustion engine system includes an internal combustion engine having a first output shaft, the internal combustion engine rotates the first output shaft; a compressor rotably engaged with the first output shaft via a belt, the first output shaft is configured to provide energy thereto; a fan coupled to the internal combustion engine to pull air into a housing; an evaporative coil in communication with the housing and to receive air from the fan; a condenser coil in communication with the housing and to receive air from the fan; and a control system to operate the compressor, the internal combustion engine, and the fan to expel cool air.

Abstract: A vehicle air conditioning system performing individual air conditioning in four zones for left and right spaces of front and rear seats includes a front seat heating, ventilation, and air conditioner (HVAC) separately supplying air having passed through left and right flow paths of a front seat flow path into the left and right spaces of the front seat to perform two-zone individual air conditioning for the front seat. A flow guide is provided in an upstream side space of an evaporator in an internal space of the air conditioning casing of the front seat HVAC to divide the upstream side space of the evaporator to have a left flow path and a right flow path. The flow guide and a side portion of the air conditioning casing opposite to the flow guide have a curved stepped portion in cross-section.

Abstract: A method for installing a universal air handler for a building air conditioning system includes installing a compact outdoor cabinet having a blower and separate intake and outlet chambers separated by an evaporator core. Cool and return air ducts from the building couple to each chamber. Return air drawn by the blower into the return air chamber passes across the evaporator, then through the blower and out through the cool air duct. Coolant lines couple the evaporator to a nearby stand-alone condenser/compressor unit. In one embodiment, an adapter enables stacking the condenser/compressor unit atop the cabinet to reduce the footprint of the combination. In another embodiment, a manifold couples permanently to the building air ducts and releasably couples to the cabinet. The universal air handler easily decouples from the manifold for transportation and maintenance. The manifold may be installed in various locations around the building, including on the roof.

Abstract: A transportation refrigeration unit for cooling a cargo compartment includes a compressor configured to compress a refrigerant, a compressor motor configured to drive the compressor, an evaporator heat exchanger operatively coupled to the compressor and an evaporator fan configured to provide return airflow from a return air intake and flow the return airflow over the evaporator heat exchanger. A drive unit is configured to deliver variable frequency electrical power between a minimum frequency and a maximum frequency to the compressor motor and the evaporator fan. A frequency of the electrical power is based on one or more sensed parameters of the transportation refrigeration unit.

Abstract: A method for notifying and mitigating a suboptimal event occurring in a transport climate control system that provides climate control to a climate controlled space of a transport unit is provided. The method includes monitoring an amount of power available for powering the transport climate control system, monitoring a power demand from the transport climate control system, and accessing operational data of the transport climate control system and the transport unit. The method also includes a controller determining whether a suboptimal event is detected based on one or more of the monitored amount of power available, the monitored power demand and the accessed operational data. Also, the method includes the controller generating a notification when a suboptimal event is detected, and the controller instructing the generated notification to be displayed on a display.

Abstract: A method of warming a valve assembly includes receiving an exhaust flow through a first heat exchanger first inlet; heating a coolant received through a first heat exchanger second inlet with the exhaust flow; exhausting the exhaust flow through a first heat exchanger first outlet; and discharging heated coolant through a first heat exchanger second outlet towards a second heat exchanger assembly that is coupled to the valve assembly to heat the valve assembly.

Abstract: The invention relates to a tank device (1) for storing a gaseous medium, in particular hydrogen, comprising at least one tank reservoir (3), wherein said at least one tank reservoir (3) comprises a tank housing (30) having a tank neck (2). Furthermore, a tank pressure bottom (8) is arranged in the tank neck (2), which tank pressure bottom (8) separates a tank neck space (7) and a tank interior (6) from one another, and wherein said tank neck (2) has an outer thread (10) as an abutment on an outer side (20).

Abstract: An electric automotive vehicle gross vehicle rating of greater than 10,000 pounds includes an electric powertrain connected to the frame and positioned at a base of the frame. The vehicle includes a first central axis, and the weight of the electric powertrain is centered about the first central axis. All drivetrain components of the vehicle other than the electric powertrain may be positioned above the base of the electric powertrain. The vehicle includes two electric drive units configured to drive the front and rear axles respectively. The electric drive units consist of an electric motor, motor controller, two speed electrically actuated gearbox, electrically actuated park lock, and electrically actuated locking differential. The drive units transmit power to inboard mounted brakes, which in turn are connected by constant velocity driveshaft to the wheel hubs where a further final gear reduction resides.

Abstract: A parking air conditioning device and a mounting bracket thereof are provided. The mounting bracket includes a loading frame. The loading frame includes a bottom bracket and a first connecting member fixedly connected to the bottom bracket to form a mounting position. The mounting frame includes a second connecting member and a plurality of first bolts. The second connecting member is located at a side of the first connecting member away from the mounting position and is spaced apart from the first connecting member. The first bolts are connected to the first connecting member and the second connecting member. When the mounting bracket is connected to a vehicle body crossbeam, the first bolts are respectively located at the upper and lower sides of the vehicle body crossbeam, and the first connecting member and the second connecting member clamp the vehicle body crossbeam.

Abstract: An automatic coupling system for connecting grid power to charge the battery of a battery powered electric semi-trailer reefer and a method for automatically, directly providing electrical power to a battery powered electric semi-trailer reefer battery. The method comprises providing an auxiliary power source and electrically connecting said auxiliary power source to a parking surface charging pad for each leg of a landing gear for a battery powered electric semi-trailer reefer. The parking surface charging pad contains an electrode plate in it. Also provided is a landing gear electrical contact pad containing an electrode on a lower end of each leg of the landing gear.

Abstract: Systems, methods, devices, and non-transitory media of the various embodiments may enable the identification of launch opportunities. The integrated approach of the various embodiments leverages instrumentation, data and communication systems available from the National Airspace System (NAS), Marine Transportation System (MTS), and orbital catalog to enable safe passage for space vehicles, passengers, and payloads. The condition-based launch criteria of the various embodiments may improve mission assurance and public safety while simultaneously supporting a customer's launch on readiness schedule.

Abstract: Even if, in decompressing a refrigerant by an expansion mechanism, the temperature of the refrigerant cannot be sufficiently reduced, in order to increase the evaporation capacity of a use-side heat exchanger, a main expansion mechanism including an expansion element of a rotary or scroll type that causes power to be produced by decompressing a main refrigerant is provided at a main refrigerant circuit in which the main refrigerant circulates. Further, a sub-refrigerant circuit that differs from the main refrigerant circuit and in which a sub-refrigerant circulates is provided. A sub-use-side heat exchanger that is provided at the sub-refrigerant circuit and that functions as an evaporator of the sub-refrigerant is caused to function as a heat exchanger that cools the main refrigerant that flows between the main expansion mechanism and a main use-side heat exchanger.

Abstract: The invention provides a compact and self-sustained refrigeration system for medical uses, including in hospitals, in clinics and in home uses, including rescue and field emergency situations, independent of external power supply, based on small amounts of liquid carbon dioxide.

Abstract: A vehicle includes: a vehicle main body having an end surface and a compartment; a first electrical component which is arranged within the compartment, and to which a voltage that is more than or equal to a predetermined value is applied during traveling; and a second electrical component which is arranged within the compartment, and to which a voltage that is less than the predetermined value is applied during traveling or no voltage is applied during traveling. A first main body portion of the first electrical component and a second main body portion of the second electrical component are arranged such that a first end surface is located closer to a vehicle center than a second end surface in a vehicle front-back direction.

Abstract: A transportation refrigeration unit TRU (26) and power system. The TRU (26) and power system including a compressor (58) configured to compress a refrigerant, an evaporator heat exchanger (76) operatively coupled to the compressor (58), and an evaporator fan (98) configured to provide return airflow and flow the return airflow over the evaporator heat exchanger (76). The system also includes a return air temperature RAT sensor (142) disposed in the return airflow and configured measure the temperature of the return airflow, a TRU controller (82) operably connected to the RAT sensor (142) and configured to execute a process to determine an AC power requirement for the TRU (26) based on at least the RAT (142), a generator power converter (164a) configured to provide a second DC power (165b), an energy storage system (150) configured to receive the second DC power (165) and provide a three phase AC power (157) to a power management system (124).

Abstract: A transformable cargo container for use with ground and air transportation vehicles is disclosed. The cargo container includes a main container body defining a storage chamber therein and including at least one inlet. The cargo container also includes a transformable assembly coupled to the main container body and positioned at an exterior of the main container body. The transformable assembly includes one or more supplemental containers and one or more supply ducts, at least one of the supplemental container(s) being configured to house refrigeration equipment. The transformable assembly is moveable between an aircraft configuration and a ground configuration. Based on the transformable assembly being in either the aircraft configuration or the ground configuration, the refrigeration equipment is configured to supply coolant into the main container body via the supply duct(s) and the inlet(s).

Abstract: The various embodiments described herein include methods, devices, and systems for conditioning air and heating water in a vehicle. In one aspect, a method includes: (1) obtaining a desired temperature for an interior of the vehicle; (2) obtaining a desired temperature for water in a water storage tank of the vehicle; (3) determining a current interior temperature; (4) and a current water temperature; (5) if the current water temperature is below the desired water temperature, and if the current interior temperature is below the desired interior temperature, operating a system in a first mode to concurrently heat the water and heat the interior; and (6) if the current water temperature is below the desired water temperature, and if the current interior temperature is above the desired interior temperature, operating the system in a second mode to concurrently heat the water and cool the interior.

Abstract: A work vehicle is configured to perform an activity in a work area. The work vehicle includes a chassis, a plurality of ground engaging members coupled to the chassis for movement of the chassis in the work area, a generator configured to generate energy from performance of the activity of the work vehicle in the work area, an energy storage device connected to the generator to store energy generated by the generator and configured to be charged to an initial charge, and a controller configured to establish an initial charge setting corresponding to the initial charge of the energy storage device based on at least one anticipated activity input of the work vehicle.

Abstract: A protection mechanism for a working vehicle includes a roof above an operator's seat and including a cutout extending along a top-bottom direction, and an electric device at least partially located in the cutout. The cutout has a dimension along a vehicle-body-width direction that is uniform or substantially uniform along a front-to-rear direction or increases in the front-to-rear direction. The cutout has a thickness along the top-bottom direction that decreases in the front-to-rear direction. The roof include, in an upper surface thereof, a first groove located on an opposite side of the cutout from the electric device and extending in a direction away from the cutout.

Abstract: An idle mitigation system for a bucket truck which includes an alternate source of power for the vehicle air conditioner which is coupled to the hydraulic system of the bucket truck which hydraulic system is alternately powered by an electric motor which, when run in reverse, can charge batteries.

Abstract: The vehicle air conditioning device includes a compressor, a radiator, an outdoor heat exchanger, and an air conditioning controller, and a cabin is, air conditioned with power supplied from a battery. The air conditioning controller can perform air conditioning operation that causes a refrigerant from the compressor to radiate heat in the radiator, decompresses the refrigerant, causes the refrigerant to absorb heat in the outdoor heat exchanger so as to heat the cabin, and defrosting operation that causes the refrigerant from the compressor to radiate heat in the outdoor heat exchanger so as to defrost the outdoor heat exchanger, and determines whether it is possible to perform the defrosting operation on the basis of outside humidity.

Abstract: A system and method for repairing a coke oven having an oven chamber formed from ceramic bricks. A representative system includes a insulated enclosure insertable into the oven chamber and includes removable insulated panels that define an interior area for workers to work in. The insulated enclosure is movable between an expanded configuration and a compact configuration and moving the enclosure to the expanded configuration will decrease the distance between the insulated enclosure and the walls of the oven chamber. Removing the panels exposes the ceramic bricks and allows workers within the interior area to access and the bricks and repair the oven chamber while the oven chamber is still hot. A loading apparatus lifts and inserts the insulated enclosure into the oven chamber. The insulated enclosure can be coupled to additional insulated enclosures to form an elongated interior area.

Abstract: A vehicle and a temperature control device thereof are disclosed. The temperature control device includes a motor control circuit and a heat exchange medium circulation loop. The motor control circuit includes a switch module, a three-phase inverter, a three-phase alternating current motor, and a control module. The heat exchange medium circulation loop includes a first valve electrically connected to the control module. At least one of the three-phase inverter and the three-phase alternating current motor and the first valve form an electrically driven cooling loop through a heat exchange medium pipeline. The first valve and a component to be heated form a cooling loop through a heat exchange medium pipeline.

Abstract: A refrigeration cycle apparatus includes: a first refrigerant route; and a second refrigerant route. In the first refrigerant route, refrigerant flows in order of a compressor, a first heat exchanger, a first pipe, a second heat exchanger, a low pressure receiver and the compressor. The second refrigerant route is connected to the first pipe and the low pressure receiver, the first pipe being connected to the first heat exchanger and the second heat exchanger in the first refrigerant route. The second refrigerant route includes an electric pump. The electric pump is configured to flow the refrigerant from the low pressure receiver to the first pipe.

Abstract: A refrigerated transport system comprises a body enclosing a refrigerated compartment. A refrigeration system (29) comprises first and second vapor compression loops each having: a refrigerant charge; a compressor (36A,B) for driving the refrigerant of the refrigerant charge; a first heat exchanger (38A,B) positioned to reject heat to an external environment in a cooling mode; and a second heat exchanger (42A,B) positioned to absorb heat from the refrigerated compartment in the cooling mode.

Abstract: A cooling arrangement for a rack hosting electronic equipment and at least one fan comprises first and second air-liquid heat exchangers. A first one is mounted to the rack so that heated air expelled from the rack by the fan flows therethrough. The second one is mounted to the first one so that air having flowed through the first heat exchanger flows through the second heat exchanger. Each heat exchanger comprises a frame, an inlet receiving liquid from a cold supply line, an outlet returning liquid to a hot return line, and a continuous internal conduit forming a plurality of interconnected parallel sections. The cooling arrangement is mounted to the rack so that the first and second frames are parallel and adjacent. One interconnected parallel section of the first heat exchanger nearest to its inlet is proximate one interconnected parallel section of the second heat exchanger nearest to its outlet.

Abstract: A fire extinguishing system of an air mobility vehicle includes a refrigerant flow line in which a refrigerant flows, and including a compressor, a condenser, a first expansion valve, and an evaporator, a fire extinguishing liquid flow line connected to the refrigerant flow line via a connection valve, and configured to spray a mixed liquid of a fire extinguishing liquid and the refrigerant, a mixing part connected to the fire extinguishing liquid flow line, and configured to mix the refrigerant and the fire extinguishing liquid, and a fire extinguishing liquid storage part configured to store the fire extinguishing liquid and to discharge the fire extinguishing liquid into a mixing space of the mixing part.

Abstract: A transport refrigeration unit (TRU) is provided. The TRU includes a housing defining a flow path from an intake to an outlet, a blower to drive air along the flow path from the intake to the outlet, coils disposed in the flow path between the intake and the outlet and over which the air driven by the blower flows, a defrost element to execute a defrost action with respect to the coils, sensing elements at the intake and the outlet to sense pressures of the air at the intake and the outlet and a controller. The controller is configured to control at least one of the blower and the defrost element in accordance with readings of the sensing elements.

Abstract: An air heating apparatus may be mounted on a common base and define a pair of air flow paths. The air heating apparatus may include a housing forming an outer envelope through which the air flow paths extend, with the air flow path being separate from each other at all locations in the interior of the outer envelope. The interior of the housing may be divided into two subhousings defining two separate subchambers. The housing may have inlet and outlet openings extending through the outer envelope for each of the air flow paths of the subchambers. At least two air heating assemblies may each be configured to heat air moving along a separate one of the air flow paths, the air heating assemblies being positioned in the interior of the housing with each of the air heating assemblies being positioned in a respective one of the subchambers of the subhousings.

Abstract: According to aspects, hydrogen fueling systems and methods are provided, including vehicle-to-vehicle communication techniques, hydrogen cooling techniques and/or hydrogen dispenser control techniques that facilitate improving aspects of a hydrogen fueling station.