Abstract: Air conditioner units and methods for operating air conditioner units are provided. A method includes determining a benchmark control signal corresponding to a predetermined speed of a fan of the air conditioner unit. The method further includes activating a heating unit of the air conditioner unit. The heating unit includes a plurality of heater banks. The method also includes activating the fan while the heating unit is active and measuring a control signal to the fan after activating the fan. The method further includes comparing the measured control signal to the benchmark control signal, and disabling one of the plurality of heater banks when the measured control signal is less than the benchmark control signal.

Abstract: The invention is about a waste heat re-cycle cooling system, has a Peltier device, a waste heat recycling circuit, and a processor. The Peltier device has a cold side close to room and a hot side, the cold side is connected to a cooling pipe, and a fan arranged on one side of the cooling pipe is configured to blow air over the cooling pipe to cool down air and then blow the cooling air into room. The processor is configured to control the Peltier device and the waste heat recycling circuit. The invention can effectively utilize the waste heat generated by cooling and improve the cooling efficiency.

Abstract: A system includes a flash tank, a first load, a second load, a first compressor, a second compressor, a first valve, and a second valve. The flash tank stores a refrigerant. The first and second loads use the refrigerant to cool first and second spaces. The first compressor compresses the refrigerant from the first load during a first mode of operation and a flash gas from the flash tank during a second mode of operation. The second compressor compresses a mixture of the refrigerant from the first and second loads during the first mode of operation. The first valve directs the flash gas from the flash tank to the first compressor during the second mode of operation. The second valve directs the compressed flash gas from the first compressor to the first load during the second mode of operation to defrost the first load.

Abstract: An ice maker includes an ice making unit comprising an evaporator connected to a refrigeration system, an ice holding bin, a sump, a pump, a drain valve, an ozonated water source, and a controller. The controller activates the ozonated water source supplying a first volume of ozonated water to the sump, thereafter activates the pump to circulate the first volume of ozonated water from the sump to the ice making unit, once a predetermined sterilization time has been reached, the controller turns off the pump and drains the first volume of ozonated water from the sump. The controller initiates an ice making mode, and activates the ozonated water source to supply a second volume of ozonated water to the sump, thereafter activates the pump to circulate the second volume of ozonated water from the sump to the ice making unit forming ozonated ice on the evaporator, and initiates an ice harvest mode to remove the ozonated ice from the evaporator and delivers it to the ice holding bin.

Abstract: An example heat-dissipating device with enhanced interfacial properties generally includes a first heat spreader configured to be thermally coupled to a region configured to generate heat, a second heat spreader, an interposer thermally coupled to at least one of the first heat spreader or the second heat spreader, at least one interfacial layer including a graphene material disposed on at least one surface of the interposer, and a phase change material disposed between the at least one interfacial layer and at least one of the first heat spreader or the second heat spreader and thermally coupled to at least one of the first heat spreader or the second heat spreader.

Abstract: A liquid-cooled cold plate for removing heat from a heat-generating component is disclosed. The liquid-cooled cold plate includes a lower heat transfer plate with a flat component contact surface constructed to make thermal contact with the heat-generating component, and a plurality of parallel turbulator channels, holding a plurality of turbulators, the channels having walls that extend away from the component contact surface. The liquid-cooled cold plate also includes a lid forming a liquid tight seal with the lower heat transfer plate. The lid has an inlet end with an inlet port in fluid connection with an inlet channel manifold that allows for fluid communication between the plurality of parallel turbulator channels and the inlet port. The lid also has an outlet end with an outlet port in fluid connection with an outlet channel manifold that allows for fluid communication between the plurality of parallel turbulator channels and the outlet port.

Abstract: A cooling device, particularly a household refrigerator, has a housing defining a storage space. A door assembly attached to the housing enables access to the storage space. A unit that emits heat to its surrounding is disposed on the cooling device. The heated air around the unit is discharged through an air outlet. An air guiding element directs the discharged air upwardly so as to flow along the door assembly. The air guiding element is provided on the door assembly.

Abstract: Provided is a refrigerator in which a transparent display assembly and electric modules, which are disposed in a door to see through a storage space and output a screen, are easily connected to a control unit provided in a cabinet and guided through a narrow door hinge.

Abstract: A heat exchanger includes a plurality of plate-shaped fins disposed at intervals, and a plurality of heat transfer tubes disposed to be inserted into through holes of the fins in a direction perpendicular to the fins. In each of the fins, a starting hole is formed between adjacent through holes, and the starting hole serves as a start point of bending of the fins and has a vertex portion at a bending portion of each fin which is close to an edge thereof. In each of the fins, a cut is made to connect the other edge of the fin and a side of the starting hole which is located opposite to the vertex portion of the starting hole. The above each fin is bent at the vertex portion of the starting hole, by opening the cut from the starting hole.

Abstract: A thermal barrier to maintain the temperature of a battery. The barrier includes elements with respectively cold and hot PCM materials, and elements, thermal isolators, arranged at least in case of some between two of the PCM material elements.

Abstract: A gas-liquid separation device for a vehicle includes: a housing of which an upper surface is opened and a lower surface is closed; a cover disposed on the upper surface of the housing, and the cover having an outlet disposed at a center region of the cover and an inlet disposed at a portion spaced apart from the center region; an exhaust pipe of which an upper end is connected to the outlet; a guide pipe having a cylinder shape with an upper surface opened and having a gas refrigerant flow space; a mounting cap disposed on the lower surface of the housing; and a refrigerant guider disposed on the cover inside the housing to prevent a liquid refrigerant from flowing into the gas refrigerant flow space among a refrigerant flowing into the inlet.

Abstract: A system and method for providing heating to a seat of a mobile hydraulic equipment. The system includes a heat exchanger disposed in or adjacent the seat for recycling the heat from a return hydraulic fluid received from a diverter manifold to heat the operator's seat. A valve disposed within the diverter manifold routes the return fluid to one or more of the heat exchanger or a return fluid reservoir based on a control signal received from a controller.

Abstract: An indoor unit of an air-conditioning apparatus includes a casing with air inlet and air outlet. A heat exchanger in the casing exchanges heat with air sucked through the air inlet, an air-sending fan blows the heat exchanged air through the air outlet, and a vertical air-directing plate in the air outlet sets a vertical air flow direction in which the heat exchanged air is blown. The casing has a front panel, a bottom panel, and a forward-facing panel connected to the bottom panel at an angle. The air outlet extends from the bottom panel to the forward-facing panel; a lower corner at which joins the bottom panel and an air-outlet side walk; and a forward-facing corner joins the forward-facing panel and the air-outlet side wall. The lower corner and the forward-facing corner each have an edge removed. A forward-facing corner edge-removal dimension smaller than a lower corner edge-removal dimension.

Abstract: A water-cooling radiator is disclosed, comprising a heat adsorption unit and a heat radiation unit, wherein the heat adsorption unit comprises an outer shell, a bottom shell, a water path cover plate and a heat adsorption soleplate which are successively connected from top to bottom; a liquid inlet pipe and a liquid outlet pipe both communicated with the heat radiation unit are arranged on the bottom shell, and a pump is arranged between the heat radiation unit and the liquid inlet pipe; a third water cavity is defined by the heat adsorption soleplate and the water path cover plate, a heat sink set arranged in the third water cavity and a first water passage hole extending in a direction perpendicular to the lengthwise direction of the heat sink set. The novel water-cooling radiator of the disclosed can improve the heat radiation effect, and facilitate for mounting, connecting, and maintaining.

Abstract: A climate-control system includes a working fluid circuit and a storage tank. The working fluid circuit has a first compressor, a first heat exchanger, a second heat exchanger, a flash tank, and a third heat exchanger. The first heat exchanger receives working fluid discharged from the first compressor. The flash tank is disposed downstream the first heat exchanger and includes an inlet and first and second outlets. The first outlet provides working fluid to the third heat exchanger disposed between the flash tank and the first compressor. The second outlet provides working fluid to the first compressor. The storage tank contains phase-change material that is thermally coupled with the second heat exchanger of the working fluid circuit.

Abstract: Air-cooled condensers and air-cooled condenser streets for condensing exhaust steam from a turbine are disclosed. An example air-cooled condenser street includes one or more rows of V-shaped heat exchangers. Each row includes a main steam manifold to introduce exhaust steam into tube bundles that are placed in an inclined position such that condensate formed in the bundles flows back by gravitation to the main steam manifold. Top steam manifolds are connected to the upper end of respectively each of the tube bundles of the air-cooled condenser street. The series of parallel top steam manifolds are forming a support assembly for supporting one or more fan decks. The fan decks support a plurality of fans to induce an air draft in the V-shaped heat exchangers.

Abstract: A refrigerator comprises: a storage compartment, at least divided into a refrigerating compartment and a freezing compartment a first evaporator, arranged at a cooling compartment connected to the storage compartments through supply air ducts; a second evaporator, arranged inside the freezing compartment a switching valve, used to switch the flow of a refrigerant to a refrigerant channel connected to the second evaporator; a fan, used to enable cooled air in the first evaporator to flow from the cooling compartment to the storage compartments; a first air duct damper, inserted in the supply air duct connected to the refrigerating compartment and a second air duct damper, inserted in the supply air duct connected to the freezing compartment.

Abstract: An insulated chamber having an interior region for storing items therein includes a phase change material to facilitate controlling the temperature of the interior region and the items. A heating device or cooling device may be used to melt or freeze the phase change material. The phase change material (PCM) may be in various locations such as the walls of the chamber in the form of packets or in the form of containers that serve as shelves and may be removable from the interior region. The packets may have recesses for receiving the items. The phase change material may be within capsules that may be within a liquid or a solid matrix. Controls may be provided to control humidity, oxygen, and carbon dioxide within the interior chamber.

Abstract: A manifold structure is formed using ultrasonic additive manufacturing and machining. The manifold structure includes a body having a base plate and a cover plate that define a flow passage therebetween, and a plurality of walls that segment the flow passage into a plurality of channels, wherein each of the walls has a height extending from the base plate to the cover plate and a non-linear length that is elongated relative to a width of the wall and extends in a direction normal to the height of the wall. The walls are wavy in shape to provide enhanced rigidity and stiffness during lamination over the channels.

Abstract: A transport refrigeration system (200) having: a refrigeration unit (22) configured to circulate refrigerant through a refrigeration circuit; a battery system (190) configured to power the refrigeration unit; and a heat transfer system (195) thermally connected to the battery system, the heat transfer system being configured to transfer heat from the flash tank to the battery system through the vaporized refrigerant.