Abstract: A making device of ice balls comprises a refrigeration chamber unit; the refrigeration chamber unit comprises a lower half ball mold body, an upper half ball mold body and a water circulation unit; in addition, a cover plate is arranged above the refrigeration chamber unit, and a water injection hole is arranged on the cover plate; in addition, a plurality of low-temperature condensing tubes are arranged in the lower half ball mold body; in addition, the refrigeration chamber unit further comprises a thermo electric cooler, and a cold end face of the thermo electric cooler is attached to a bottom surface of the lower half ball mold body; the upper half ball mold body is arranged above the lower half ball mold body, a plurality of convection circulation holes are distributed on the upper half ball mold body, and a water inlet hole is arranged in the center of the upper half ball mold body; and the water circulation unit is arranged on the cover plate and comprises a pump, and the pump is respectively connected

Abstract: A refrigerator includes a cabinet with one or more food compartments and one or more doors closing the food compartments and an ice maker located in the cabinet to produce ice. The ice maker includes a mold body for forming ice, the mold body having multiple cups, where each cup has an opening for receiving water to be frozen within the cup. The ice maker further includes a thermally conductive component located near a bottom surface of the cups. The thermally conductive component includes at least one heater that provides heat to the plurality of cups, so that the thermally conductive can distribute heat and facilitate a release of ice from the plurality of cups.

Abstract: A refrigerator includes a cabinet, a first storage chamber and a second storage chamber, and a grille fan assembly partitioning the first storage chamber into a space receiving an evaporator, and a grille fan assembly including a grille panel, a shroud supporting a first fan and a second fan, a heat insulating member provided between the grille panel and the shroud and defining a first flow path configured to supply cold air blown by the first fan to the first storage chamber and a second flow path configured to supply cold air blown by the second fan to the second storage chamber, and a duct connector provided at a position corresponding to the second fan between the shroud and the heat insulating member and connected to the second flow path part to define an independent flow path.

Abstract: Provided is a refrigerator. The refrigerator may include a first tray assembly defining a portion of an ice making cell and a second tray assembly defining another portion of the ice making cell. The one tray assembly of the first and second tray assemblies may include a first portion that defines at least a portion of the ice making cell and a second portion extending from a predetermined point of the first portion.

Abstract: A refrigerator according to the present disclosure includes a first tray configured to form a portion of an ice making cell, a second tray configured to form another portion of the ice making cell, a tray temperature sensor configured to sense the temperature of the ice making cell, a discharge spark generator disposed around one of the first tray and the second tray and including an electrode, and a controller configured to control the discharge spark generator to generate a spark from the electrode when it is determined that the water in the ice making cell is supercooled based on the temperature measured by the tray temperature sensor.

Abstract: An ice maker of the present embodiment comprises: an upper tray including an upper tray body defining an upper chamber that is a portion of an ice chamber for generating ice; and a lower tray rotated relative to the upper tray based on a rotational center, and including a lower tray body defining a lower chamber that is another portion of the ice chamber, wherein a top surface of the lower tray body can contact a bottom surface of the upper tray body, the rotational center is disposed outside of the upper chamber and the lower chamber, the bottom surface of the upper tray body includes a first surface and a second surface disposed farther from the rotational center than the first surface, and before the top surface of the lower tray body contacts the bottom surface of the upper tray body, the second surface is lower than the first surface.

Abstract: A diaphragm pressure regulator includes: a body defining a process surface and including: an exhaust port having a discharge opening, and at least one vent void interconnecting the process surface and the exhaust port; and an inlet port, and at least one process void communicating with the process surface and the inlet port; a reference housing including a cavity defining a reference surface and a reference port in fluid communication with the cavity; and a diaphragm disposed between the body and the reference housing, the diaphragm movable between a first position engaged with the vent voids, and a second position wherein the membrane is not engaged with at least one of the vent voids, wherein a dome is defined between the cavity and the reference side of the diaphragm; and wherein the reference housing includes a sump configured to segregate liquid from the reference side of the diaphragm.

Abstract: A method for controlling a vapour compression system (1) is disclosed. The vapour compression system (1) includes an ejector (4), and has a non-return valve (11) arranged in the refrigerant path between an outlet (12) of an evaporator (7) and an inlet (10) of a compressor unit (2), in such a manner that a refrigerant flow from the outlet (12) of the evaporator (7) towards the inlet (10) of the compressor unit (2) is allowed, while a fluid flow from the inlet (10) of the compressor unit (2) towards the outlet (12) of the evaporator (7) is prevented. A pressure, P0, of refrigerant leaving the evaporator (7) is measured and a value being representative for a pressure, Psuc, of refrigerant entering the compressor unit (2) is obtained. The pressures, P0 and Psuc, are compared to respective reference pressure values, P0,ref and Psuc,ref.

Abstract: A refrigerator includes a cabinet, an evaporator, a freezer compartment grille assembly, a refrigerating compartment grille assembly, a refrigerating compartment door, and a cold air duct for door cooling. Particularly, the cold air duct for door cooling is located to be as apart as possible from a hot line or an outer casing so as to reduce heat loss and power consumption due to the heat loss.

Abstract: An ice maker of a refrigerator includes a tray assembly having an upper tray that defines upper portions of a plurality of ice making chambers. Each of the plurality of ice making chambers is configured to receive water and generate an ice piece. The tray assembly also includes a lower tray that is located vertically below the upper tray, that is configured to rotate relative to the upper tray, and that defines lower portions of the plurality of ice making chambers, wherein at least one of the upper tray or the lower tray comprises a flexible tray made of a flexible material. Additionally, a case is configured to accommodate the flexible tray to restrict a deformation of the flexible tray. A heater that is located between the case and the flexible tray is configured to supply heat to the plurality of ice making chambers through the flexible tray.

Abstract: A method to freeze items includes placing an item to be frozen in a freeze chamber of a blast freezer and freezing the item. The method includes applying a pulsed electrostatic field to the item for one or more time intervals while freezing the item. The method may further include, in response to application of the pulsed electrostatic field to the item: alternately pulling charged particles within the item in opposing directions and alternately accumulating charges on a surface of the item opposite to the pulsed electrostatic field. The method may further include creating microscopic ultrasonic vibrations on the surface of the item in response to the alternate pulling and accumulating. The method may further include transmitting the microscopic ultrasonic vibrations internally into the item to inhibit formation of ice crystals within the item during the freezing.

Abstract: A refrigerator according to the present disclosure includes a tray configured to form an ice making cell, a cooler configured to supply cold air to the ice making cell, a water supply valve configured to control the flow of water to the ice making cell, and a controller configured to control the water supply valve, wherein the controller controls the water supply valve so that cold air from the cooler is supplied to the ice making cell before the water supply valve is turned on, and water is supplied to the ice making cell after the cold air is supplied to the ice making cell.

Abstract: The present invention relates to a refrigerator. A refrigerator of the present invention may comprise: a first tray assembly forming a part of ice-making cells; a second tray assembly forming the other part of the ice-making cells; and a heater. In order to reduce the transfer heat, which is transferred from the heater to any one of the first and second tray assemblies, to ice-making cells formed by the other tray assembly, the one tray assembly may comprise a first part forming at least a part of the ice-making cells. The degree of heat transfer of the first part may vary along the outer circumferential surfaces of the ice-making cells.

Abstract: A refrigerator of the present disclosure includes a tray configured to form an ice making cell, a water supply valve configured to control the flow of water to the ice making cell, and a controller configured to control the water supply valve, in which the controller controls the water supply valve to turn off the water supply valve to stop water supply while performing water supply and turns on the water supply valve again for additional water supply after the water supply valve is turned off.

Abstract: A mold unit for preparing a sleeve-molded ice block is provided. The mold unit includes: an outer wall, configured as a ring-shaped enclosure to define an outer peripheral shape of the sleeve-molded ice block; an inner wall, configured as an inner column to define a through hole in the sleeve-molded ice block; a bottom wall, disposed between a bottom of the outer wall and a bottom of the inner wall and configured to define a bottom shape of the sleeve-molded ice block; an opening, disposed at a top of a ring-shaped space defined by the outer wall, the inner wall, and the bottom wall, wherein, liquid for preparing the sleeve-molded ice block is capable of being added through the opening.

Abstract: Provided is a refrigerator in which a heater disposed at a side of a first tray or a second tray may be turned on in at least partial section while a cold air supply part supplies cold air to an ice making cell so that bubbles dissolved in water within the ice making cell move from a portion at which ice is made toward liquid water to make transparent ice, and one or more of the cooling power of the cold air supply part and the heating amount of heater may be controlled according to a mass per unit height of the water in the ice making cell so that the transparency is uniform for each unit height of the water in the ice making cell.

Abstract: A refrigeration system includes a gas cooler or a condenser configured to reject first heat from a first fluid that is at a first pressure and that is in a supercritical state or subcritical state. The refrigeration system further includes an evaporator configured to absorb second heat into a second fluid that is at a second pressure that is lower than the first pressure and that is in a liquid state, a vapor state, or a two-phase mixture of liquid and vapor. The refrigeration system further includes a rotary pressure exchanger configured to receive the first fluid from the gas cooler or the condenser, to receive the second fluid from the evaporator, and to exchange pressure, via a rotor of the rotary pressure exchanger, between the first fluid and the second fluid.

Abstract: An evaporator assembly for an ice machine is disclosed. The assembly comprises of a frame, a plurality of first cooling surfaces that are spaced at a distance and extend in a first direction within the frame. The assembly also includes a plurality of second cooling surfaces which extend in a second direction perpendicular to the first direction within the frame. An intersection of the plurality of first and second cooling surfaces defines a plurality of ice forming blocks. Further, at least one conductive wall having a first surface and a second surface is provided. The first surface of the conductive wall is configured to accommodate the plurality of ice forming blocks and the second surface of the conductive wall is configured to come in contact with refrigerant or defrost fluid.

Abstract: A refrigerator comprises: a refrigerator body (10), at the interior of which a cooling chamber (11) and at least one storage space are confined, wherein the cooling chamber (11) is arranged at the bottom of the refrigerator body (10) and below the storage space; door bodies (20) arranged on a front surface of the refrigerator body (10) to operably open and close the storage space; and an evaporator (21), which is wholly horizontally placed in the shape of a flat cube in the cooling chamber (11) and configured to provide cold energy to the storage space, wherein a bottom wall of the cooling chamber (11) below the evaporator (21) is provided with a water pan (40) to receive condensate water generated by the evaporator (21), and the bottom of the water pan (40) is provided with compensation heating wires (80).

Abstract: An ice maker of this embodiment comprises: an upper tray defining an upper chamber that is a portion of an ice chamber; a lower tray defining a lower chamber that is another portion of the ice chamber, wherein the lower tray is relatively rotatable relative to the upper tray; and an upper heater disposed around the upper tray, for providing heat to the upper chamber, wherein the upper tray is made of a non-metal material and a flexible material, the upper heater is a DC heater receiving DC power, at least a portion of the upper tray is thicker than the lower tray, an accommodation part for accommodating the upper heater is formed on the upper tray, and at least a portion of the upper heater is disposed to vertically overlap the ice chamber in a state that the upper heater is accommodated in the accommodation part.