Abstract: A refrigerant circuit device includes a compressor, a heat exchanger that is capable of exchanging heat between the refrigerant and a heat medium, and other components that are connected by pipes, in which the refrigerant circuit circulates a refrigerant. A heat medium circulating circuit circulates the heat medium in the heat exchanger. At least the compressor is housed in an outdoor unit, at least the heat exchanger is housed in a heat medium relay unit, and an indoor unit is housed in a use side heat exchanger. The outdoor unit, the heat medium relay unit, and the indoor unit are formed separately and can be disposed in separate positions. A housing of the heat medium relay unit has an opening that allows ventilation between the housing space of the heat exchanger related to heat medium and the space outside the housing space.

Abstract: An air temperature adjusting system includes a gas-liquid mixing device, a temperature adjusting device, a gas-liquid separating device and a gas-liquid circulating device for driving gas-liquid to move among the gas-liquid mixing device, the temperature adjusting device and the gas-liquid separating device. The gas-liquid mixing device is for absorbing air into liquid to mix the air with the liquid and bringing a mixture of the air and the liquid into the gas-liquid separating device after a temperature of the mixture is adjusted by the temperature adjusting device; and the gas-liquid separating device is for separating the air with the liquid. The gas-liquid mixing device includes at least one T-shaped pipe, wherein a main pipe of each T-shaped pipe is interconnected; a branch pipe of each T-shaped pipe has an opening intercommunicated to the air.

Abstract: An air conditioner is provided. The air conditioner may include a compressor, a condenser, an expansion device and an evaporator. The condenser or the evaporator may include a heat exchange tube formed of an aluminum material and allowing refrigerant to flow therein, and a fin connected to the heat exchange tube, the fin being formed of the same metal material as that of the heat exchange tube so as to prevent potential corrosion of the heat exchange tube.

Abstract: A refrigerating and air-conditioning apparatus, which includes a compressor, a condenser, an expansion device, and an evaporator, has a refrigeration cycle configured by these components being connected by a refrigerant pipe, and uses a non-azeotropic refrigerant mixture as a refrigerant circulating through the refrigeration cycle, includes operating state detection means which detect a pressure of the refrigerant at the compressor, a temperature of the refrigerant at the compressor, and a rotation speed of the compressor, output detection means which detects an output of the compressor, and composition detection means which calculates a correlation between the pressure of the refrigerant at the compressor, the temperature of the refrigerant at the compressor, the rotation speed of the compressor, the output of the compressor, and a refrigerant composition and retains data indicating the correlation.

Abstract: A refrigerator including a refrigeration cycle including a refrigerant pipe to supply cooling energy to an ice making compartment, an ice making tray, on which at least a portion of the refrigerant pipe is seated, a drainage duct to collect condensed water falling from the ice making tray or from at least a portion of the refrigerant pipe, and to drain the collected water, and at least one fixer to fix at least a portion of the refrigerant pipe to the ice making tray. The fixer is protruded from the drainage duct.

Abstract: A refrigeration system including a suction line heat exchanger having a first conduit including a refrigerant liquid which flows inside of the first conduit from the condenser to the evaporator. Also the refrigeration system includes a second conduit in thermal communication with the first conduit and includes a refrigerant fluid, typically a vapor, which flows inside of the second conduit in an opposite direction of flow from the first conduit from the evaporator to the compressor. Additionally, at least one heating device is in thermal communication with at least one of the first conduit and second conduit and is configured to communicate with a refrigeration control system to apply heat along a portion of both the first conduit and the second conduit adjacent to the heating device thereby regulating the flow rate of the refrigerant liquid in the first conduit and the second conduit.

Abstract: The present invention relates to a box system for keeping medicine and other payloads at a desired temperature for prolonged periods of time. The system generally includes three or more insulating materials between a refrigerant and the payload so that the payload is not cold-shocked by the refrigerant but instead maintains a desired temperature range during shipment. An advantage of the box system of certain embodiments of the present disclosure is that the system allows a shipper to use a temperature controlled system that is effective in controlling temperature without the need for any expensive phase change materials. A box having foldable tabs for securing the materials to each other is also disclosed herein.

Abstract: The invention relates to a hydronic heating/cooling system. In the system, liquid is led along a main supply pipe (1) to a supply manifold (2) and distributed in the manifold into heating loops (3). The heating loops (3) return to return manifold (4). At least one of the manifolds (2, 4) has actuators (6) for controlling the flow in the heating loops (3). At least one loop is designated to be a bypass loop. The actuators (6) in the loops (3) are monitored and it is ensured that the actuator (6) of the bypass loop is open if all the other actuators (6) are closed.

Abstract: A method for controlling operation of a vapor compression system (1), and a vapor compression system (1) are disclosed. The vapor compression system (1) comprises a compressor (2), a heat rejecting heat exchanger (3), a controllable valve (4), a receiver (5), at least one expansion device and at least one evaporator arranged along a refrigerant path having refrigerant flowing therein. The vapor compression system (1) is capable of being operated in a subcritical control regime as well as in a supercritical control regime.

Abstract: An accumulator and an air conditioner having the same are provided. The air conditioner may include at least one indoor unit connected to an outdoor unit, the outdoor unit including a compressor compressing refrigerant and an accumulator transferring gas refrigerant into the compressor. The accumulator may include a housing, an inflow tube guiding refrigerant into the housing through a guide tube, and a discharge tube discharging the refrigerant from the housing. A portion of the guide tube protrudes out of the housing, and a distance between the discharge tube and a bottom of the housing is greater than that between the protruded portion of the guide tube and the bottom of the housing.

Abstract: A refrigerator comprises a main body having an enclosable interior compartment, the compartment including at least one wall having and at least one channel recessed into the wall; at least one shelf mounted in the compartment; and a fixing rail mounted to the wall and within the channel so that the fixing rail and portions of the wall adjacent the channel are substantially flush. The fixing rail has a plurality of mounting locations for the shelf to allow adjustable mounting of the shelf relative to the wall.

Abstract: A box system for keeping medicine and other payloads at a desired temperature for prolonged periods of time is described. The system generally includes three or more insulating materials between a refrigerant and the payload. A box having foldable tabs for securing the materials to each other is also disclosed herein.

Abstract: A standing pouch includes an external pack, and an internal pack which is disposed in the external pack to form a first temperature control space and a second temperature control space which are spaced from each other, to form a contents accommodating space between the first temperature control space and the second temperature control space to accommodate contents. The first temperature control space can communicate with the second temperature control space. A first temperature control member and a second temperature control member are respectively disposed in the first temperature control space and the second temperature control space, and at least one of the first temperature control space and the second temperature control space have an open upper side to put a reactant liquid reacting with the first and second temperature control members to generate an exothermic or endothermic reaction.

Abstract: A multi-outlet soft frozen dessert apparatus for a self-service restaurant with multiple freezers attached to the wall dividing the client area of the restaurant from the kitchen area is provided. The freezers of apparatus may include an evaporation tube comprised of an aluminum alloy micro-channel parallel flow extruded tape. The mix vats of the apparatus may include circulating water in a hydraulic system having added antifreeze to suppress a freezing temperature in the range of ?2° C. to ?5° C. to assure adequate approach temperature to cool a mix in the mix vat. The apparatus may include scrape blades mounted on a helical part of the beater-scraper that scrape a thin layer of ice crystals from an internal surface of the inner cylinder and fold the ice crystals inside the mix bulk.

Abstract: A boiler-equipped absorption heat pump unit in which a regenerator, a boiler, and other high-temperature devices are separated from an evaporator, an absorber, and other low-temperature devices are separated by an insulated dividing wall. The dividing wall reduces heat loss by impeding the transfer of heat from the high-temperature devices to the low-temperature devices.

Abstract: A magnetocaloric heat generator (10) comprising at least one magnetocaloric element (2) with a first and second ends (3, 4), a magnetic arrangement for subjecting the magnetocaloric element (2) to a variable magnetic field, alternately creating heating and cooling cycles in the magnetocaloric element (2), a mechanism for circulating a heat transfer fluid through the magnetocaloric element (2) alternately towards the first and second ends (3, 4) and vice versa in synchronisation with the variation of the magnetic field, and at least one energy exchange mechanism (15). This heat generator (10) is crossed in one direction by the heat transfer fluid entering the magnetocaloric element (2) through one of the ends (3, 4) during a heating or cooling cycle and to be crossed in the opposite direction by the heat transfer fluid exiting the magnetocaloric element (2) through the same end (3, 4) during the other cooling or heating cycle.

Abstract: An internal heat exchanger assembly for an air conditioning system, having a substantial cylindrical cavity in which a helical coil tube is coaxially disposed within the cylindrical cavity. A bleed valve assembly is incorporated into the helical coiled tube, in which the bleed valve assembly is adapted to open at a predetermined differential pressure between the high pressure side and low pressure side of the internal heat exchanger. The bleed valve selectively bleeds refrigerant from the high pressure side to the low pressure side, thereby increasing the pressure and mass flow rate of the refrigerant to the suction side of a compressor.

Abstract: This disclosure relates to a centrifugal compressor. In a first example, the compressor includes a first impeller provided in a main refrigerant flow path, a second impeller provided in the main refrigerant flow path downstream of the first impeller, and a recirculation flow path. In the first example, the recirculation flow path is provided between a first location and a second location along the main refrigerant flow path. The first location is downstream of the second location, and the second location is downstream of the first impeller. In a second example, the compressor includes an impeller provided in a main refrigerant flow path, and a recirculation flow path provided between a first location and a second location along the main refrigerant flow path. In the second example, the recirculation flow path includes a recirculation volute. Further disclosed is a method for operating a centrifugal compressor.

Abstract: An atomizing electrode includes: a trunk unit made to be tabular-shaped and almost rectangular-shaped for receiving water dropped from water supply means in a direction of gravitational force and delivering the water; and a top end atomizing unit which is a plate-shaped projection formed so as to be projected from a side surface of the trunk unit and formed unitedly with the trunk unit. The trunk unit of the atomizing electrode extends a long-side direction in a horizontal direction, is provided below the cooling unit with a space of a predetermined distance so as not to contact the cooling unit, and is arranged so that when the cooling unit is projected in the direction of gravitational force, a width of the cooling unit in a horizontal direction should be included in a width of a long-side direction of a top surface of the trunk unit exposed to the cooling unit.

Abstract: A refrigerator is described that includes a slim refrigerator door. The refrigerator includes a storage compartment, a refrigerator door to open and close the storage compartment, and an ice maker to generate ice cubes. The refrigerator further includes an ice bin—at the refrigerator door to receive the ice cubes generated in the ice maker and having a discharge opening—for discharging the ice cubes. The refrigerator further includes a motor—at the refrigerator—and at least one blade—within the ice bin and connected to the—motor. The at least one ice cube directly drops onto the at least one blade. The at least one blade moves the at least one ice cube to the discharge and discharges the at least one ice cube from the ice bin by an operation of the motor.