Abstract: The thermal management system includes a power storage device provided in a first flow path, a drive device provided in a second flow path, a radiator provided in a third flow path, a chiller provided in a fourth flow path, and a switching device. The switching device separates the first flow path from the other flow paths when the temperature of the power storage device is higher than or equal to the first set temperature and lower than or equal to the second set temperature.

Abstract: A frangible loop heat pipe provides a passive heat transfer system in a staged spacecraft having one or more separable modules. The frangible loop heat pipe is positioned within adjacent separable modules and is designed to separate such that a primary element remains with the command module of the spacecraft and a secondary element is jettisoned with an expendable module. The primary element operates as a flash evaporator that provides heat transfer to the module as heat pipe fluid is ejected from the heat pipe.

Abstract: An air conditioner including an outdoor air heat exchanger and an indoor air heat exchanger is provided. At least one of the outdoor air heat exchanger and the indoor air heat exchanger includes a main tube, at least two distribution flow paths that are independent of each other, to which a plurality of branch tubes branched from the main tube are connected, a header cover divided into a plurality of partition spaces receiving the refrigerant from the at least two distribution flow paths, and a plurality of heat exchange tubes connected to the plurality of partition spaces. A distribution flow path among the at least two distribution flow paths is configured to supply the refrigerant to a predetermined number of partition spaces, and another distribution flow path among the at least two distribution flow paths is configured to supply the refrigerant to other partition spaces.

Abstract: A heat exchanger includes a first header that extends in a horizontal direction, a plurality of first heat-transfer tubes that extend in a vertical direction, that are provided to the first header, and that are spaced from each other in a horizontal direction, a second header provided parallel to the first header, a plurality of second heat-transfer tubes that extend in a vertical direction, that are provided to the second header, and that are spaced from each other in a horizontal direction, and a corrugated fin placed between the plurality of first heat-transfer tubes and between the plurality of second heat-transfer tubes. The corrugated fin has an inter-header region between the first header and the second header, and, in the inter-header region, a first drain slit is formed through which meltwater is drained.

Abstract: A heat exchanger assembly is provided. The heat exchanger assembly includes a first heat exchange part configured to cool an electrical equipment of a fuel cell, a second heat exchange part that cools a fuel cell stack, and a body part connecting the first heat exchange part and the second heat exchange part. The body part includes a first opening that opens in a first direction, and the first heat exchange part is disposed in the first opening, and a second opening that opens in a second direction, and the second heat exchange part is disposed in the second opening. The first direction is a direction in which the body part faces the first heat exchange part, and the second direction is opposite to the first direction.

Abstract: A condenser includes first, second, and third heat exchange tube sets, a pair of first baffles, a second baffle, and a third baffle. The second and third heat exchange tube sets are arranged at two sides of the first heat exchange tube set, each pair of first baffles is respectively adjacent to the two sides of the first heat exchange tube set, the second baffle is adjacent to one side of the second heat exchange tube set proximate the first heat exchange tube set, and the third baffle is adjacent to one side of the third heat exchange tube set proximate the first heat exchange tube set. The baffles are configured to cause the first heat exchange tube set to receive refrigerant from a refrigerant inlet, and cause the second and third heat exchange tube sets to receive the refrigerant from the first heat exchange tube set.

Abstract: A heat pump may include: a compressor compressing refrigerant received from an accumulator; a water-refrigerant heat exchanger exchanging heat between the refrigerant discharged from the compressor and water; a main expansion valve expanding the refrigerant passed through the water-refrigerant heat exchanger; an outdoor heat exchanger exchanging heat between the refrigerant passed through the main expansion valve and outdoor air and connected to the accumulator; a main pipe connecting the water-refrigerant heat exchanger and the outdoor heat exchanger, the main pipe at which the main expansion valve is installed; an internal heat exchanger installed at the main pipe between the water-refrigerant heat exchanger and the main expansion valve; an injection pipe at which the internal heat exchanger is installed; an injection valve installed at the injection pipe; a bypass pipe; and a bypass valve installed at the bypass pipe.

Abstract: A heat exchange unit includes: a housing having first and a second rooms, and a control unit disposed so as to straddle between the insides thereof. The rooms are adjacently disposed. The control unit has an electric components box disposed on the inside of the first room, a wire that extends to the inside of the second room from a lead-out hole, a first wall, and a second wall. The wire extends from the inside of a space between the first and second room, and second through holes formed on the second wall. A surface out of the first wall faces the second through hole formed on the second wall. An end of the top side, and both ends in a second direction are closed off. The space has an opening that opens to the bottom side, and the opening opens to the inside of the first room.

Abstract: Examples of the present disclosure relate to systems and methods for incorporating an auxiliary heat exchanger into a refrigerant fluid circuit of a side-discharge outdoor unit of a climate control system, and operating the climate control system in combination with the auxiliary heat exchanger. The auxiliary heat exchanger may be configured to reduce refrigerant fluid temperatures at points in the refrigerant fluid circuit before reaching a primary outdoor heat exchanger of the outdoor unit. In general, available space along the top portion of an outdoor side-discharge unit may be utilized to house the auxiliary heat exchanger. In some examples, a bypass valve may be provided to include or exclude the auxiliary heat exchanger from the refrigerant fluid circuit during operation of the climate control system in various modes.

Abstract: Provided is a main refrigerant circuit in which a compressor having an injection port, a condenser, a main circuit expansion device unit, and an evaporator are connected by pipes to allow refrigerant to circulate in the main refrigerant circuit; an injection pipe an injection expansion device; an outside-air temperature detection device; a suction pressure detection device; and a controller, wherein the main circuit expansion device unit includes a plurality of main circuit expansion devices with different capacities and in a parallel-connected relationship, and during operation, when the controller determines that the temperature of the outside air is equal to or lower than a set temperature, the controller is configured to open the injection expansion device to control an opening degree to select the main circuit expansion device based on the suction pressure to control an opening degree of the selected main circuit expansion device.

Abstract: A heat dissipation structure includes a vapor chamber (1), a heat pipe (2) and a working fluid. The vapor chamber (1) includes an upper shell (11), a lower shell (11) correspondingly sealed with the upper shell (11) and a first wick structure disposed on an inner surface of the upper shell (11). A chamber (S) is defined between the upper shell (11) and the lower shell (12). A penetration hole (111) communicating to the chamber (S) is defined on the upper shell (11). A second wick structure (22) includes a revealing section (221) exposed from a hollow slot (211). The working fluid is filled in the chamber (S). An inner diameter of the through hole (131) is smaller than that of the penetration hole (111). The first wick structure (13) is embedded in the hollow slot (211) and attached to the revealing section (221).

Abstract: A cleaning nozzle for cleaning a fueling receptacle capable of receiving a separate fueling nozzle for transferring cryogenic fluid from a fueling station is disclosed. An example cleaning nozzle includes a body that defines a cavity. The example cleaning nozzle includes a nozzle head coupled to and extending from a distal end of the body. The nozzle head defines a plurality of spray holes to spray pressurized air onto the fueling receptacle. The example cleaning nozzle includes a blower that defines a blower inlet, a blower outlet, and a blower flow path extending between the blower inlet and the blower outlet. The blower comprises a valve and a lever operatively coupled to the valve. The example cleaning nozzle includes an insert defining an insert flow path that is fluidly coupled to the blower outlet. The example cleaning nozzle includes a connector fluidly connecting the insert and the nozzle head.

Abstract: A snow-making apparatus including an ice particle generating machine that produces ice particles that can be utilized to make or use as high quality man-made snow, and a system for remotely discharging the ice particles remotely from the ice particle generating machine through the use of one or more of a fan impeller assembly and a chilled air sealed pneumatic air conveying system. In one preferred embodiment, the apparatus further includes a water droplet or particle dispenser located remotely from the ice particle generating machine and preferably adjacent to the outlet of the apparatus where ice particles are discharged from an outlet pipe, whereby the water droplets are mixed with the ice particles thereby producing snow. Using a combination of ice particles and water droplets allows production of snow efficiently and in large quantities.

Abstract: Disclosed herein is a once-through heat exchanger that includes a tube stack including a plurality of tubes, a plurality of heads connected to the tube stack via a connection module and configured to accommodate heated steam, the connector module comprising a plurality of tube connectors and configured to connect the tubes and the heads, and a manifold connected to the heads via a plurality of link pipes and configured to accommodate heated steam, wherein the connector module comprises a first tube connector and a second tube connector having different shapes.

Abstract: The aircraft can have a cabin adapted to receive one or more persons; a rotary airfoil device; an electric engine drivingly coupled to the rotary airfoil device; a battery powering the electric engine; a coolant subsystem having a coolant circuit and a coolant pump operable to circulate a coolant in the coolant circuit, the coolant circuit connected in heat exchange relationship with at least one of the electric engine and the battery; a heat pump having a refrigerant circuit fluidly connecting, in sequence, a compressor, a condenser, an expansion valve, a first evaporator, and an environmental control line branching off from the refrigerant circuit between the condenser and the first evaporator, the environmental control line having a second evaporator and reconnected to the refrigerant circuit between the first evaporator and the compressor, the first evaporator connected in heat exchange relationship with the coolant circuit; and a pressurized air subsystem having a pressurized air line operable to deliver

Abstract: Suspension systems are methods for isolating a component from vibration while removing heat from that component are provided. The system includes a suspension system and a thermal energy transfer assembly. The suspension system includes a first mounting panel, to which the component is fixed, a second mounting panel that is fixed to a platform, and a shock isolating assembly that interconnects the first and second mounting panels. The thermal energy transfer assembly includes a first heat pipe network disposed on or within the first mounting panel, a second heat pipe network disposed on or within the second mounting panel, and a heat pipe coupling assembly that thermally connects the first heat pipe network to the second heat pipe network. The component can be a heat generating component mounted to an exterior of a spacecraft.

Abstract: A stand-alone ice making appliance includes an upper reservoir fluidly coupled to a lower reservoir via a first valve. An ice maker is disposed within the casing. A pump is disposed within the casing and is operable to flow water from the lower reservoir to upper reservoir and the ice maker. A controller is positioned in the casing. A method of operating the stand-alone ice making appliance includes opening the first valve between the upper reservoir and the lower reservoir. The method also includes draining the liquid from the upper reservoir to the lower reservoir and closing the first valve between the upper reservoir and the lower reservoir. The method further includes operating a descale or cleaning operation of the stand-alone ice making appliance.

Abstract: An ice making appliance includes a casing, a user interface on the casing, a container within the casing, and a reservoir disposed within the casing. The reservoir includes an internal lid. The stand-alone ice making appliance also includes a cover disposed on an external surface of the casing. The cover is rotatable over the reservoir. The internal lid of the reservoir is coupled to the cover. A hinge rotatably couples the cover to the external surface of the casing over the reservoir.

Abstract: The disclosed embodiments disclose a modular seasonal thermal-energy storage and transfer system that includes an energy-storage module (ESM) with a plurality of chambers that contain phase-change material (PCM) that stores thermal energy. An energy fluid is routed through the ESM, and the temperature of the energy fluid triggers a phase change in the PCM to transfer energy between the PCM and the energy fluid. A control mechanism can adjust the flow of the energy fluid through the ESM to efficiently achieve a target temperature change either in the energy fluid (e.g., using the ESM to access stored energy from the PCM) or in the PCM (e.g., use thermal energy in the energy fluid to store energy in the PCM). The disclosed techniques facilitate the charging and use of a flexible, modular year-round hot and cold energy storage.

Abstract: A corrugated fin of a heat exchanger is formed such that fin sections are joined together one after another in a tube axial direction of a plurality of flat heat-transfer tubes. Louvers in the fin sections of the corrugated fin are divided into a first louver group formed further upstream in a direction of flow of air than a drain slit in the corrugated fin and a second louver group formed further downstream in the direction of flow of air than the drain slit. Plate portions of the first louver group and plate portions of the second louver group are inclined to a flat-plate portion in the fin sections and inclined in respective directions that are opposite to each other. The drain slit includes a plurality of drain slits provided in a plurality of respective rows between the first louver group and the second louver group.