Abstract: A countertop oven includes a housing having a rear panel, an upper panel, a bottom panel, a first side panel, an opposing second side panel and an open front end, together defining a cooking cavity therebetween. The cooking cavity is accessible via the open front end of the housing. At least one heating element within the housing selectively heats the cooking cavity. A door is movably attached to the housing via at least one 4-bar linkage mechanism. The door is selectively movable between a closed position, wherein the open front end of the housing is covered by the door, and an open position, wherein the door is positioned generally atop the upper panel of the housing, thereby uncovering the open front end of the housing to access the cooking cavity.

Abstract: A boiler service and maintenance valve (20) comprises a body (21) having a first connector (28), a second connector (29), and a separate flush entrance (31). Each of the first connector (28) and the second connector (29) is adapted for connection to a conduit of a water heating system (60). The body (21) further comprises a valve member (47) arranged for movement between at least a first open position for opening the flush entrance (31) and a closed position for closing the flush entrance (31). The first open position allows fluid communication between the flush entrance (31) and at least one of the first connector (28) and the second connector (29). The closed position allows fluid communication between the first connector (29) and the second connector (29), but not the flush entrance (31).

Abstract: A water heating system can include a water heater having a tank, an inlet line, and an outlet line, where the inlet line provides unheated water to the tank, and where the outlet line draws heated water from the tank. The water heating system can also include multiple sensing devices, where each sensing device of the plurality of sensing devices measures a parameter associated with the tank. The water heating system can further include a controller communicably coupled to the plurality of sensing devices, where the controller determines an amount of heated water in the tank based on measurements made by the plurality of sensing devices.

Abstract: Provided is an air conditioner including a housing, a suction port disposed in the housing, a first discharge port disposed in the housing to discharge a part of air sucked through the suction port, and a second discharge port disposed in the housing to discharge other part of air sucked through the suction port, a heat exchanger configured to perform heat-exchange on the part of air sucked through the suction port, a first blowing fan configured to suck the part of air, which is sucked through the suction port, to discharge the sucked air to the first discharge port, and an intermediate member configured to guide the part of air sucked through the suction port to the heat exchanger, and configured to separate other part of air s sucked through the suction port from the part of air sucked through the suction port.

Abstract: A window type air conditioner including a control box. The control box includes a PCB assembly including a heat generation component and a heat dissipation plate, which are disposed on a bottom surface of a board, a PCB support part supporting a lower portion of the board and having a support partition part disposed between the heat generation component and the heat dissipation plate, and a box case having an inner space in which the support partition part is seated, and the heat generation component is accommodated. The heat dissipation plate is disposed outside the box case.

Abstract: An electrical component module is provided in which a heat sink is applied as a cooling unit for a power element and space can be saved. The electrical component module includes: a first holder having substrate holding structures on a first surface portion and a second surface portion located on a back-surface side of the first surface portion; a second holder disposed perpendicular to the first holder at an end portion of the second surface portion of the first holder and having a substrate holding structure on one surface of the second holder; a first substrate held on the first surface portion of the first holder; a second substrate and a heat sink both held by the second holder; and a third substrate held on the second surface portion of the first holder, and connected to the first substrate and the second substrate by a line.

Abstract: Apparatus (10) for drying and cooling seeds (S), comprising a container (38) for the seeds (S); a device (15) to suck in the air (Va) from the outside environment and to send it toward the seeds (S) to be dried and cooled; a first heat exchange unit (11) configured to cool the air taken from the outside environment and raise its relative humidity; a second heat exchange unit (12) configured to lower the temperature and absolute humidity of the air from the first heat exchange unit (11); and a third heat exchange unit (13) fluidically connected to the second heat exchange unit (12) to receive the cooled air exiting from the latter, and provided with a first heat exchange circuit (110) able to be selectively activated to raise the temperature and lower the relative humidity of the air passing through said third heat exchange unit (13), and able to be selectively de-activated to send the cold air coming from said second heat exchange unit (12) to the seeds (S).

Abstract: A ventilation unit for decentralised room ventilation systems, in which unit at least one reversible fan and a heat reservoir element are supplemented by an electrostatic precipitator for air purification. In addition, a filter assembly is provided for a ventilation system, in particular for a decentralised room ventilation system, having an air duct with an electrostatic precipitator through which an air stream to be purified is forced, with the precipitator extending over a predetermined section of the air duct. The filter assembly has, in the predetermined electrostatic-precipitator section of the air duct, at least one heat reservoir element impinged by the air stream, the electrostatic precipitator and the heat reservoir element thus being spatially restricted relative to one another.

Abstract: The present invention provides a radiant air conditioning system for a heat-producing device (1), comprising a compressor (4), a condenser (5), an expansion valve (6), and at least one radiant panel evaporator (2) which are connected through a connecting pipe to form a recycling refrigerant loop, wherein each of the radiant panel evaporators comprises a refrigerant pipe (22) and a radiant panel (21) which exchanges heat with the refrigerant pipe (22). The radiant air conditioning system further comprises at least one heat transfer plate (3), configured to perform radiant heat transfer with the heat-producing device (1) and transmit an amount of absorbed heat to the radiant panel (21). The present invention improves heat transfer effect between the radiant panel (21) and the heat-producing device (1), and is particularly suitable for cooling a plurality of densely distributed heat-producing devices (1).

Abstract: A high-safety humidifier to which water is supplied from the top is provided, comprising a pedestal, a water tank and a fan, wherein a trough is provided on the pedestal and an atomization device is provided in the trough; the fan is provided on the pedestal, and a wind outlet of the fan is connected to a mist discharge passage via a wind pipe. The wind outlet of the fan is higher than or the horizontal section of the wind pipe is at least partially higher than the level of the lowest connection point between the water tank and the pedestal; and, the water tank and the pedestal are detachably connected in a sealed manner.

Abstract: An air-conditioning system includes two or more air-conditioning devices A, each of which in turn includes a fan adapted to adjust a volume of air blown out into a space to be air-conditioned, an airflow direction adjuster adapted to adjust an airflow direction of outlet air blown out by the fan, a human detection sensor adapted to detect human presence, an inlet air temperature sensor adapted to detect temperature of inlet air sucked in by the fan, a position setting device used to set an installation location of each of the air-conditioning devices, and a controller, in which a positional relationship with an adjacent air-conditioning device is calculated based on data from the position setting device and furthermore a human detection area overlap with the adjacent air-conditioning device is calculated.

Abstract: A system for customizing an HVAC system for operation at a specific site requires defining a benchmark which is based on environmental data taken from the site, and on operational data taken from the HVAC system at the site. For the present invention, this benchmark establishes limits for acceptable environmental conditions at the site and appropriate ranges for cost-effective, operational parameters for the HVAC system. In particular, changes in the operational condition of the HVAC system which result from changes in the environmental condition at the site are evaluated relative to the benchmark. This evaluation is then used by a system controller to identify corrective actions necessary for optimal performance of the HVAC system.

Abstract: Unique systems, methods, techniques and apparatuses of building power management are disclosed herein. One exemplary embodiment is a system comprising a load management controller and a power circuit interrupter. The load management controller is configured to repeatedly perform a first test wherein a time rate of change of temperature of building regions is determined, repeatedly perform a second test wherein a lighting controller is operated to rank a plurality of lighting loads according to ambient light of building regions associated with the plurality of lighting loads, assign the plurality of HVACR loads and lighting loads to a plurality of load shed groups, and reduce power consumption by the plurality of HVACR loads and the plurality of lighting loads in order of the ranked load shed groups effective to minimize occupant perceptibility of the power consumption reduction while implementing the operator specified priority criteria.

Abstract: The disclosure reveals a human machine interface that may incorporate an electronics module and display, a camera module connected to the electronics module, and an image processor connected to the camera module. The camera module may detect a person at the electronic module. An image of the person from the camera module may go to the image processor that outputs factors about the person from the image. The factors may go to the electronics module that automatically configures the display with a presentation that comports to the factors including style and information about the user. The electronic module may be a thermostat. The display may indicate temperature settings and temperatures of rooms in a house. Contents of the display may be derived from a context based interaction between the person and electronic module. The interface may further incorporate a cloud having analytics connected to the image processor and camera module.

Abstract: A controller for an HVAC system comprises an interface, a memory, and a processor. The interface receives data related to user interactions with the system, and receives a temperature of the enclosed space. The memory stores an accumulated user discomfort value and discomfort score values, associated with user interactions. The processor determines a difference between the enclosed space temperature and a setpoint temperature. The processor determines whether the temperature difference exceeds a first threshold, and in response to determining that, determine whether a user has interacted with the system. In response to determining that the user has interacted with the system, the processor determines a current user discomfort value based on the discomfort score values, updates the accumulated user discomfort value, and determines whether the accumulated user discomfort value exceeds a second threshold.

Abstract: A method for controlling an actuator of a terminal unit in a climate control system includes, in a calibration mode: applying a range of drive signals to the actuator; determining a range of terminal unit capacities over the range of drive signals; and generating a model relating the range of terminal unit capacities to the range of drive signals.

Abstract: A HVAC controller located within a building zone includes a housing, a wireless radio, a controller monitor, a temperature sensor, and a temperature compensation module. The wireless radio is contained within the housing and is configured to transmit data via a wireless HVAC network. The controller monitor is configured to detect wireless activity of the wireless radio, the wireless activity generating heat inside the housing and causing a temperature inside the housing to exceed a temperature of the building zone outside the housing. The temperature sensor is configured to measure the temperature inside the housing. The temperature compensation module is configured to determine a wireless heat rise resulting from the wireless activity, to calculate a temperature offset based on the wireless heat rise, and to determine the temperature of the building zone outside the housing by subtracting the temperature offset from the temperature measured inside the housing.

Abstract: Provided is an air conditioner which can suppress refrigerant leakage in a room and has a high safety even when using a flammable refrigerant. The air conditioner includes an indoor apparatus placed in a room, and an outdoor apparatus placed in an outside of the room separated from the room by a wall. The indoor apparatus includes a first refrigerant pipe in which a flammable refrigerant flows. The outdoor apparatus includes a second refrigerant pipe which is connected to the first refrigerant pipe and in which the flammable refrigerant flows. The second refrigerant pipe has a portion smaller in thickness than a minimum-thickness portion of the first refrigerant pipe.

Abstract: The present disclosure provides a method for controlling a fresh air machine. The method for controlling the fresh air machine of an air-conditioner includes: determining whether a fault occurs in a return air temperature sensor of the fresh air machine when the fresh air machine operates normally; closing an internal valve corresponding to the fresh air machine and keeping a fan motor operating, when the fault occurs in the return air temperature sensor; determining whether a fault occurs in an delivery air temperature sensor of the fresh air machine; when the fault does not occur in the delivery air temperature sensor of the fresh air machine, obtaining an delivery air temperature of the fresh air machine and controlling the fresh air machine to operate again by using the obtained delivery air temperature as a new return air temperature. The present disclosure also provides a fresh air machine.

Abstract: A self-adaptive smart setback heating, ventilation and air conditioning (HVAC) control system includes an HVAC unit configured to deliver at least one of heated air and cooled air to a target area. A temperature sensor determines a current internal air temperature (IAT) of the target area. An HVAC controller is in signal communication with the HVAC unit and the temperature sensor. The HVAC controller selectively operates in an active mode and a setback mode. The active mode controls the HVAC unit based on a first temperature setpoint value, and the setback mode controls the HVAC unit based on a second temperature setpoint value different from the first temperature setpoint value. The HVAC controller includes an electronic temperature setback unit that is configured change the IAT during the setback mode based on an actively determined upcoming temperature recovery rate.

Abstract: The present invention relates to techniques for a sensor network, machine to machine (M2M), machine type communication (MTC), and Internet of things (IoT). The present invention can be utilized in the technique-based intelligent services (smart home, smart building, smart city, smart car or connected car, healthcare, digital education, retail business, security and safety-related service and the like). The air-conditioning control method for the electronic device, according to one embodiment of the present invention, comprises the steps of: determining the rate of temperature change on the basis of changes in the temperature measured for the first time; acquiring first density information on the basis of the determined rate of temperature change and the location information on the location at which the temperature change is measured; and controlling air-conditioning according to the first density information.

Abstract: A building air conditioning system, which includes electricity sources; an electricity management system; an air conditioner for the building; and a control and management system. The control and management system includes a control box located in the building, the control box including programming keeping the building at a set temperature and to select electricity sources. The system further includes an external aggregator for energy management of a public energy distribution network. The control box has a module for communication with the external aggregator and capable of receiving priority set values from the external aggregator.

Abstract: A heating, ventilation, and air conditioning (HVAC) energy management control system includes an HVAC system configured to deliver at least one of heated air and cooled air to a targeted area; and a computing server including an HVAC energy analytics engine in signal communication with the HVAC system. The HVAC energy analytics engine is configured to actively learn historical data of the HVAC system based on at least one of the heated air and the cooled air produced over a time period. The HVAC energy analytics engine determines a predicted energy consumption of the HVAC system based on the historical data, and the HVAC system operates based on the predicted energy consumption.

Abstract: Provided is a ventilation control apparatus (2) comprising: an in-home communication module configured to communicate with ventilators via an in-home network; an external communication module configured to communicate with an external server provided outside a building via an external network; a determination unit (77) configured to determine whether or not communication with the external server via the external communication module is available; a control determination unit (78) configured to determine a control method for the ventilators, based on a result of determination by the determination unit (77); and a ventilation operation control unit (76) configured to control the ventilators, based on the control method determined by the control determination unit (78).

Abstract: A system configured to control a HVAC system may include an electronic device having a user input interface configured to receive a guest input from a guest user, the guest input including identifying information relating to the guest user. The electronic device may also include a processor configured to determine a level of access of the guest user based on the identifying information and on an input from a primary user. The level of access of the guest user may determine the guest user's ability to adjust a setting of the HVAC system via the electronic device. The processor is also configured to initiate a guest mode of operation where the guest user is able to make a setting adjustment to the HVAC system via the electronic device in place of an established setting adjustment schedule of the primary user in accordance with the determined level of access.

Abstract: A refrigeration cycle apparatus according to the present invention, a controller is configured to cause a first operation mode and a second operation mode to be executed as operation modes of an air-sending fan. The first operation mode is an operation mode in which an operation of the air-sending fan is started based on a first manipulation performed on an operation unit and the air-sending fan is stopped based on a second manipulation performed on the operation unit. The second operation mode is an operation mode in which the operation of the air-sending fan is started when refrigerant is detected by a refrigerant detection unit, the air-sending fan is not stopped based on the second manipulation, the air-sending fan is stopped based on a third manipulation different from the second manipulation, and the operation of the air-sending fan is restarted based on a fourth manipulation different from the first manipulation.

Abstract: A hybrid air conditioning apparatus includes a first air conditioning device and a second air conditioning device. The first air conditioning device is a cooling and heating air conditioner, and the second air conditioning device communicates with the first air conditioning device. Air modulated by the second air conditioning device is sent to the first air conditioning device for cooling and heating air adjustment. Accordingly, the air discharged from the first air conditioning device has enhanced quality and all kinds of properties in the air are provided uniformly.

Abstract: A reinforcing assembly for air ducts includes a helical reinforcement with an outer circumference and at least one connecting element for fixing a pitch of a helix formed by the helical reinforcement. The at least one connecting element may be fixed to the helical reinforcement by a plurality of joints with mutually arranged spacing. The reinforcing assembly may be combined with an air duct to form a duct system for transmitting and distributing air that retains its shape regardless of the system's internal air pressure.

Abstract: The present application provides a sealing plate assembly and an air conditioner having thereof. The sealing plate assembly includes a first sealing plate and a second sealing plate mounted on one side of the first sealing plate. The two sealing plates can slide relative to each other. There is a sealing plate joint provided with a vent hole mounted on the first sealing plate and located at the end opposite to the end where the second sealing plate slides out of the first sealing plate. A connector is used for connecting the first sealing plate to the sealing plate joint, such that the first sealing plate and the sealing plate joint can rotate relatively by using the connector as the axis. A telescopic sealing plate assembly is formed through a relative sliding of the two sealing plates to adapt to the sizes of different windows.

Abstract: A personal valve apparatus may include a nozzle, a valve seat, and a moveable poppet valve. The nozzle may comprise an inner air-flow surface having a nozzle cavity extending through the inner air-flow surface. The valve seat may comprise a seat member disposed at an end of the inner-air-flow surface with the seat member disposed over the nozzle cavity. The moveable poppet valve may be disposed over the seat member and the nozzle cavity. The moveable poppet valve may comprise a convex surface. When the moveable poppet valve is in an open position, the convex surface may be disposed over and apart from the seat member to allow air to flow from the nozzle cavity, against the convex surface, between the seat member and the convex surface, and beyond the seat member. The convex surface of the poppet valve may reduce air turbulence, drag, flow separation, and/or noise within the valve apparatus.

Abstract: A compressible air duct plug apparatus and packaging includes an open-cell compressible foam block including a top surface, a bottom surface, and an outer edge extending around the perimeter of the block between the top surface and the bottom surface. The packaging can include an outer packaging enclosing the foam block, the outer packaging forming an inner cavity, the foam block received and compressed within the inner cavity. When the open-cell foam block is removed from the outer packaging, the outer edge of the block is configured to engage the duct in a compression seal when the block is installed in the duct opening.

Abstract: The present invention provides an automatic air vent for heating a cooling systems that can be remotely controlled. The automatic air vent comprises a cover having vent louvres installed thereon and an integral motor attached to the louvres via a piston arm. The piston arm is configured to adjust the vent louvres toward an open or closed position and is controlled either through a remote controller or a manual switch. In one embodiment, there are temperature and motion sensors disposed on the cover that are in communication with the motor, configured to automatically adjust the louvres based on air flow and ambient temperature. The vent louvres are designed to create an airtight seal to prevent air leakage. The automatic air vent can also have an air filter installed thereon.

Abstract: An air-conditioning cabinet can have an outer boiler, an inner chamber with an inner chamber height, a cover, a bottom where the cover and bottom are separated by a distance that defines the inner chamber height, an inner boiler having a foot movably coupled to the inner boiler, where the inner boiler is arranged in the outer boiler, where the inner boiler height is less than the inner chamber height and where the foot is movably coupled to the inner boiler in such a manner that the inner boiler height is variable. Also, moving a position of the foot on the inner boiler can arrange the inner boiler such that the inner boiler is supported on the cover of the outer boiler and the foot is supported on the bottom of the outer boiler, and the foot can be fixed in the position.

Abstract: The utility model discloses a telescoping curtain for a window-type air conditioner, comprised of a plurality of continuously arrayed telescoping units; frameworks are respectively arranged on two sides of each one of the telescoping units, and four rotating arms are disposed between every two adjacent frameworks; each one of the frameworks is provided with a first rotating arm and a second rotating arm toward one side, and a third rotating arm and a fourth rotating arm toward the other side; the first rotating arms is connected with the third rotating arm of the next framework, and the second rotating arms is connected with the fourth rotating arm of the next framework. The telescoping unit is internally provided with a plurality of partitions to form a dual-layer or multi-layer heat-insulating hollow structure. The utility model integrates the structures and components for conducting support, heat insulation, and connection functions well.

Abstract: A sound enclosure of a compressor to attenuate an operational sound level of the compressor is disclosed. The sound enclosure may be configured to generally enclose the compressor and attenuate radiantly emitted sound by the compressor. The sound enclosure may be configured to include a plurality of assembly sections, particularly two side sections and one bottom section, where the two side sections can be joined together like two halves of a clam shell and joined to the bottom section to facilitate easy assembly. The sound enclosure may form openings at longitudinal ends of the sound enclosure to accommodate refrigerant lines. The assembly sections of the sound enclosure may include one or more openings to accommodate a compressor junction box, wire bundles, oil lines, mounting mechanisms, etc.

Abstract: A totally aerated combustion burner has: a burner body which is supplied therein with air-fuel mixture; and a combustion plate part which covers an open surface of the burner body. The combustion plate part is constituted by: a burner frame in a shape of a picture frame; a metal-fiber knit which is disposed to cover, from a burner-body side, an opening enclosed by the burner frame; and a distribution plate which has formed therein a multiplicity of distribution holes and which sandwiches the metal-fiber knit between the burner frame and the distribution plate. Only the metal-fiber knit is spot-welded to that opening peripheral part of the burner frame which is positioned on a same surface as the opening. The distribution plate is spot-welded to that portion of the burner frame which is offset from the opening peripheral part toward the burner-body side.

Abstract: The invention relates to a condensation heat exchanger which comprises:—at least two concentric bundles (5, 5?) of tubes made from a material that is a good thermal conductor, inside which tubes a heat-transfer fluid is intended to circulate, each bundle of tubes (5, 5?) comprising a series of tubes (50, 50?) in the form of an arc of a circle, the tubes of each bundle (5, 5?) being arranged in parallel planes with a gap (53, 53?) between two adjacent tubes (50, 50?),—a single collector (6) made of a material that is a good conductor of heat and to which the two ends (51, 51?, 52, 52?) of each tube (50, 50?) of the various bundles (5, 5?) are connected, this collector (6) being equipped with inlet (61) and outlet (62) couplings. This exchanger is notable in that the collector (6) comprises several partitions delimiting various channels, which allow the fluid that is to be warmed up to be made to circulate in the various successive bundles from the outermost bundle to the innermost bundle.

Abstract: An integrated valve and flow sensor for a water heater can have a valve body that includes a valve and a flow sensor for measuring the flow of water through the valve. The integrated valve and flow sensor can be disposed within a fitting that can be attached to a water heater. An actuator for opening and closing the valve can be attached to the fitting. A diffuser can also be attached to the fitting.

Abstract: A water heater including a storage tank including a water inlet and a water outlet, a pump, an upper temperature sensor, a lower temperature sensor, and an electronic processor. The electronic processor is configured to receive an upper temperature signal and a lower temperature signal, compare the upper temperature signal to a sum of a setpoint temperature threshold minus a temperature differential, and compare the lower temperature signal to a high limit temperature threshold. The electronic processor is further configured to activate the pump in response to the first upper temperature signal being less than the sum of the setpoint temperature threshold minus the temperature differential and the first lower temperature signal being less than the predetermined high limit temperature threshold.

Abstract: The invention relates to a product for heating comprising at least one heating unit (2), which comprises a base material layer with an emission reducing structure on top of said an energy converting structure, combined together to form a selective absorber layer on at least one of the sides of the base material layer, at least one insulation layer (4, 5, 6, 7) of transparent flexible material located on the heating unit (2), which heating unit and the at least one insulation layer on the heating unit (2) of the product (1) are attached to each other air-tightly on the sides such that between at least some of the layers at least one closed air pocket (10, 11) is formed, characterized in that the content to be heated by the product is located below to the base material of the heating unit of the product (1), that temperature of the content of the product (1) will be 90° C.-160° C.

Abstract: A photovoltaic module floating supporting structure according to the present application includes a floating body and a first supporting plate integrally formed with the floating body and configured to be connected to a connecting assembly, the first supporting plate has an upper surface smoothly connected to an upper surface of the floating body, and has a lower surface smoothly connected to a lower surface of the floating body. In use, the connecting assembly is installed on the first supporting plate and the photovoltaic module is installed on the connecting assembly.

Abstract: Building heating and/or cooling methods are provided that can include continuously distributing fluid from within conduits within a concrete floor of a building to conduits within grounds surrounding and/or supporting the building.

Abstract: An embodiment of the present invention relates to a deep freezer. A deep freezer according to an embodiment of the present invention comprises a plurality of heat exchangers installed to an inlet pipe and performing a heat exchange of a mixed refrigerant suctioned into a compressor. The mixed refrigerant comprises: a high temperature refrigerant which is one selected from among butane (N-butane), 1-butene, and isobutane; and a low temperature refrigerant consisting of ethylene.

Abstract: The present disclosure relates to the technical field of cryogenic cooling. In particular, the present disclosure relates to a mechanical vibration-isolated, liquid helium consumption-free cryogenic cooling device. The system according to some embodiments of the present disclosure comprises: a closed-cycle cryogenic cooling system, a helium heat exchange gas cooling and vibration isolation interface system, a cryogenic throttle valve cooling system, and a temperature feedback control system. The cryogenic cooling system provided by the present disclosure can achieve extremely low temperatures, as low as 1.4 K (based on helium-4 medium) or 0.2 K (based on helium-3 medium) without the need for the consumption of liquid helium. The disclosed cooling system can also efficiently isolate intrinsic mechanical vibrations of the closed-cycle cooling system. The disclosed cooling system can achieve variable temperature regulation through the temperature feedback control system.

Abstract: A superconducting magnet device includes compressor that compresses a refrigerant gas; a refrigerator that expands the refrigerant gas to generate coldness; a superconducting coil cooled by the refrigerator; a vacuum chamber that houses the superconducting coil; an electrode for a coil that is connected to the superconducting coil and disposed in the outside of the vacuum chamber; a heater that heats the electrode for a coil; a power supply line that connects the compressor and the refrigerator to each other and supplies electrical power from the compressor to the refrigerator; and a branch line that is branched from the power supply line to supply electrical power to the heater.

Abstract: A refrigeration cycle apparatus includes a heat exchanger, and a flow switching circuit configured to switch the heat exchanger to act as any one of an evaporator and a condenser, the flow switching circuit is configured to allow refrigerant to flow into the heat exchanger in the same direction both in a case where the heat exchanger acts as an evaporator and in a case where the heat exchanger acts as a condenser, the heat exchanger includes a path switching circuit including a plurality of paths, and the path switching circuit is configured to switch an order of the plurality of paths through which refrigerant flows between an order of the plurality of paths in the case where the heat exchanger acts as an evaporator and another order of the plurality of paths in the case where the heat exchanger acts as a condenser.

Abstract: A refrigerator appliance includes a fresh food working fluid circuit and a freezer working fluid circuit. The fresh food working fluid circuit couples a fresh food cold side heat exchanger and a first chamber of a regenerator housing such that a first working fluid is flowable between the fresh food cold side heat exchanger and the first chamber. The freezer working fluid circuit couples the freezer cold side heat exchanger and a second chamber of the regenerator housing such that a second working fluid is flowable between the freezer cold side heat exchanger and the second chamber. A liquid-to-liquid heat exchanger connects the fresh food working fluid circuit and the freezer working fluid circuit for heat transfer between the first and second working fluid. A freezing temperature of the first working fluid is greater than a freezing temperature of the second working fluid.

Abstract: A thermal management system for an enclosure containing electrical components includes a thermoelectric cooling unit for controlling temperature inside the enclosure and a controller for the cooling unit, the controller being configured so that it can be installed within and protected by the enclosure, rather than requiring its own separate secure enclosure. The controller can further be installed within a housing of the thermoelectric cooling unit, which housing does not increase the footprint of the cooling unit. The housing can include a cover that separates the space within the housing into two compartments, with the controller mounted at an angle that allows the controller to fit within one of the compartments and under the cover.

Abstract: A heat exchange system operating on a vapor compression cycle is capable of operating in both an air conditioning mode and a heat pump mode. The heat exchange system can include a parallel flow heat exchanger that operates as a condenser in one mode and as an evaporator in the other mode. The heat exchanger can include a first, second, and third fluid manifold, with fluid conduits connecting the first and second fluid manifolds, and with additional fluid conduits connecting the second and third fluid manifolds. The heat exchanger can be configured to transfer heat between a working fluid traveling through the fluid conduits and another fluid, such as an air flow passing over the fluid conduits.

Abstract: A refrigerator appliance includes a cold side working fluid circuit that couples a cold side heat exchanger and a regenerator housing. A first hot side working fluid circuit couples a first hot side heat exchanger and the regenerator housing. A second hot side working fluid circuit couples a second hot side heat exchanger and the regenerator housing such that working fluid is flowable between the second hot side heat exchanger and the regenerator housing. An inlet of the second hot side working fluid circuit is positioned on the regenerator housing such that a temperature of the working fluid at the inlet of the second hot side working fluid circuit is greater than a temperature of the chilled chamber.