EP4647698A1 - Kühlschrank - Google Patents

Kühlschrank

Info

Publication number
EP4647698A1
EP4647698A1 EP24741621.7A EP24741621A EP4647698A1 EP 4647698 A1 EP4647698 A1 EP 4647698A1 EP 24741621 A EP24741621 A EP 24741621A EP 4647698 A1 EP4647698 A1 EP 4647698A1
Authority
EP
European Patent Office
Prior art keywords
tray
ice
cold air
bracket
coupling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP24741621.7A
Other languages
English (en)
French (fr)
Other versions
EP4647698A4 (de
Inventor
Bongjin Kim
Donghoon Lee
Chongyoung PARK
Wookyong Lee
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020230004914A external-priority patent/KR20240113021A/ko
Priority claimed from KR1020230130997A external-priority patent/KR20250046927A/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP4647698A1 publication Critical patent/EP4647698A1/de
Publication of EP4647698A4 publication Critical patent/EP4647698A4/de
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/04—Doors; Covers with special compartments, e.g. butter conditioners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • F25C1/04—Producing ice by using stationary moulds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C1/00—Producing ice
    • F25C1/22—Construction of moulds; Filling devices for moulds
    • F25C1/25—Filling devices for moulds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/065—Details
    • F25D23/067—Supporting elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C2400/00—Auxiliary features or devices for producing, working or handling ice
    • F25C2400/14—Water supply
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/06—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation
    • F25D2317/063—Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass with forced air circulation with air guides

Definitions

  • the present disclosure relates to a refrigerator.
  • a refrigerator is a home appliance for storing food at a low temperature in a storage space that is covered by a door.
  • the refrigerator is configured to keep stored food in in a refrigerated state or frozen state by cooling an inside of the storage space using cold air.
  • an ice maker to make ice is provided in a freezing chamber of a refrigerator.
  • the ice maker receives water supplied from a water source or a water tank in a tray and cools the water to make ice.
  • the ice generated in the ice maker may be stored in an ice bin. Ice stored in the ice bin can be taken out of the ice bin by a user opening a freezing chamber door and approaching the ice bin.
  • a refrigerator is disclosed in Korean Patent Publication No. 10-2016-0136659 that is a prior art document (hereinafter referred to as "first prior art document”.
  • a refrigerator of a first prior art document includes a storage chamber where food is stored; a first tray assembly provided in the storage chamber and forming a part of an ice making cell, which is a space where water is phase-changed into ice by cold; and a second tray assembly forming another part of the ice making cell.
  • spherical ice can be generated using the first and second tray assemblies, but there is a disadvantage in that a user must open a door to use the ice.
  • the ice maker includes an elastic mold that forms a cavity and is formed of an elastic material, a heat exchanger that is connected to the elastic mold and freezes water in the cavity, an elevating mechanism that easily discharges the ice from the cavity, and a driving mechanism that drives the elevating mechanism.
  • the driving mechanism includes a motor and a rotating cam.
  • One embodiment provides a refrigerator capable of generating spherical ice from a door.
  • one embodiment provides a refrigerator capable of easily discharging generated ice from a dispenser of a door.
  • one embodiment provides a refrigerator capable of increasing a number of generated ices during one ice making process.
  • one embodiment provides a refrigerator having a reduced number of structures supporting components constituting an ice maker.
  • a refrigerator may include a cabinet.
  • the cabinet may have a storage space.
  • the refrigerator may further include a door that opens and closes the storage space.
  • the refrigerator may further include an ice making chamber.
  • the ice making chamber may be provided in the door.
  • the refrigerator may further include an ice maker provided in the ice making chamber and to generate ice.
  • the refrigerator may further include an ice bin that stores ice generated by the ice maker.
  • the ice bin may be provided in the door.
  • An ice maker of one aspect may include a first tray assembly.
  • the first tray assembly may include a first tray that defines a portion of an ice making cell, which is a space in which water is phase-changed into ice.
  • the ice maker may further include a second tray assembly.
  • the second tray assembly may include a second tray that defines another portion of the ice making cell.
  • the ice maker may include a bracket.
  • the refrigerator may further include a bracket that supports the first tray assembly within the ice making chamber.
  • the ice making chamber may be formed by an ice making chamber wall.
  • the bracket may be installed on the ice making chamber wall or may be integrally formed with the ice making chamber wall.
  • the refrigerator may further include a dispenser to discharge ice stored in the ice bin.
  • the refrigerator may further include a supporting portion received in the ice making chamber and that supports the ice bin.
  • the bracket may be installed on the supporting portion.
  • the first tray may include a first cell wall forming a portion of the ice making cell.
  • the first tray may further include an extension extending from the first cell wall and that guides cold air to the ice making cell.
  • the extension may further include a coupling part having a coupling hole to be coupled to the bracket.
  • the bracket may include a coupling hole aligned with the coupling hole of the coupling part.
  • the bracket may include a guide rib that surrounds at least a portion of the coupling part, or may include a seating groove on which the coupling part is seated.
  • the extension may include a bracket coupling portion to be coupled to the bracket.
  • the bracket may include a supporter to which the bracket coupling portion is coupled.
  • the refrigerator or the ice maker may further include a cold air guide that guides cold air to the ice making cell.
  • the cold air guide may be installed on the bracket.
  • the cold air guide may include a bracket coupling portion to be coupled to the bracket.
  • the bracket may include a coupling portion to which a coupling member for coupling with the bracket coupling portion is coupled.
  • the cold air guide may include a protrusion to be coupled to the bracket.
  • the bracket may include a supporter to which the protrusion is coupled, or the bracket may include a supporter in contact with one surface of the cold air guide.
  • the refrigerator or the ice maker may further include a water supply to supply water to the ice making cell.
  • the water supply may be coupled to the bracket.
  • the bracket may include a supporter that supports a portion of the water supply or to which a portion of the water supply is coupled.
  • the bracket may further include a coupling portion through which a coupling member coupled to the water supply passes.
  • the refrigerator or the ice maker may further include a water supply to supply water to the ice making cell, a cold air guide that guides cold air to the ice making cell, and a driver to move the second tray assembly.
  • the bracket may include a first portion in which the water supply, the cold air guide, and the first tray are installed.
  • the bracket may include a second portion in which the driver is installed.
  • the first portion may include a first supporter to support the water supply.
  • the first portion may further include a second supporter to support the cold air guide.
  • the first portion may further include a third supporter to support the first tray.
  • Two or more of the first to third supporters may be arranged at different heights, or two or more of the first to third supporters may be arranged at different horizontal positions.
  • the first portion may include a first coupling portion to which a coupling member for coupling with the water supply is coupled.
  • the first portion may further include a second coupling portion to which a coupling member for coupling with the cold air guide is coupled.
  • the first portion may further include a third coupling portion to which a coupling member for coupling with the first tray is coupled.
  • Two or more of the first coupling portion to the third coupling portion may be arranged at different heights, or two or more of the first coupling portion to the third coupling portion may be arranged at different horizontal positions.
  • the water supply may be coupled to or supported by the bracket in a first direction.
  • the cold air guide may be coupled to or supported by the bracket in a second direction crossing the first direction.
  • the first tray may include a first cell wall that forms a portion of the ice making cell, and an extension extending from the first cell wall and that guides cold air to the ice making cell.
  • the cold air guide and the extension may form a cold air passage that guides cold air to the ice making cell.
  • the cold air guide, the extension, and the bracket may form the cold air passage.
  • generated ice can be easily discharged from a dispenser of a door.
  • component A and component B may be interpreted as comprising component A, or component B, or component A+B. Additionally, at least one of component A or component B may be interpreted as comprising component A, or component B, or component A+B.
  • component A or component B may be interpreted as comprising component A, or component B, or component A+B.
  • FIG. 1A is a front view of a refrigerator according to a first embodiment
  • FIG. 1B is a drawing showing a state in which one door of a refrigerator is separated.
  • FIG. 2A is a perspective view of a front of a first refrigerating chamber door according to a first embodiment
  • FIG. 2B is a perspective view of a rear of a first refrigerating chamber door according to a first embodiment
  • FIG. 3A is a drawing showing a state in which a basket and a filter are separated from a first refrigerating chamber door
  • FIG. 3B is a drawing showing a state in which an ice making chamber door and a cover member are separated from a first refrigerating chamber door.
  • a refrigerator 1 of the present embodiment may include a cabinet 2.
  • the cabinet 2 may have a storage space.
  • the refrigerator 1 may further include a door that opens and closes the storage space. The door may be movably connected to the cabinet 2.
  • the storage space may include a refrigerating chamber 18.
  • the storage chamber may alternatively or additionally include a freezing chamber 19.
  • FIG. 1B illustrates that the storage space includes a refrigerating chamber 18 and a freezing chamber 19.
  • the door may include a refrigerating chamber door 5 that opens and closes the refrigerating chamber 18.
  • the refrigerating chamber 18 may be opened and closed by one or more refrigerating chamber doors 5.
  • the door may further include a freezing chamber door 30 that opens and closes the freezing chamber 19.
  • the freezing chamber 19 may be opened and closed by one or more freezing chamber doors 30.
  • the refrigerating chamber 18 is opened and closed by a first refrigerating chamber door 10 and a second refrigerating chamber door 20.
  • At least one of the first refrigerating chamber door 10 or the second refrigerating chamber door 20 may include a dispenser 11 for discharging water and/or ice.
  • a dispenser 11 for discharging water and/or ice.
  • the freezing chamber door 30 it is also possible for the freezing chamber door 30 to be provided with the dispenser 11.
  • At least one of the first refrigerating chamber door 10 or the second refrigerating chamber door 20 may include at least one ice maker 200.
  • a refrigerator includes a plurality of ice makers
  • types of ice generated by the ice makers may be the same or different.
  • Sizes (or volumes) of ice generated by the ice makers may be the same or different.
  • a transparency of ice generated by the ice makers may be the same or different.
  • structures for generating ice and methods for separating generated ice may be the same or different.
  • an ice maker 200 is provided in the first refrigerating chamber door 10
  • an ice maker may also be provided in the second refrigerating chamber door 20 or the freezing chamber door 30.
  • the dispenser 11 and the ice maker may be provided in the same door.
  • an additional ice maker may be provided in the refrigerating chamber 18 or the freezing chamber 19.
  • the refrigerator 1 is exemplarily illustrated as a bottom freezer type refrigerator, but it should be noted that an idea of the present invention can be equally applied to a side-by-side type refrigerator or a top-mount type refrigerator.
  • a freezing chamber door may include an ice maker and a dispenser, or a refrigerating chamber door may include an ice maker and a dispenser.
  • the dispenser 11 may be positioned at a front side of the first refrigerating chamber door 10. A portion of the dispenser 11 may be recessed rearward to provide a space in which a container may be positioned.
  • the dispenser 11 may discharge ice generated in the ice maker 200. At least a portion of the ice maker 200 may be positioned higher than the dispenser 11.
  • the first refrigerating chamber door 10 may include an outer case 101.
  • the outer case 101 may form a front exterior of the first refrigerating chamber door 10.
  • the first refrigerating chamber door 10 may further include a door liner 102.
  • the door liner 102 may be directly or indirectly connected to the outer case 101.
  • the door liner 102 may open and close the refrigerating chamber 18.
  • an insulating space may be formed between the outer case 101 and the door liner 102.
  • An insulator may be provided in the insulating space.
  • the insulator may be formed by hardening a foaming agent injected from an outside.
  • a vacuum insulator may be provided in the insulating space. It is also possible for the insulator and the vacuum insulator to be provided together in the insulating space.
  • the refrigerator 1 may include an ice making chamber 122 that provides a space where ice is generated.
  • the ice making chamber 122 may be provided, for example, in the first refrigerating chamber door 10.
  • the ice maker 200 may be disposed in the ice making chamber 122.
  • the door liner 102 may form the ice making chamber 122.
  • the ice making chamber 122 may be formed as one surface of the door liner 102 is recessed toward the outer case 101.
  • the first refrigerating chamber door 10 may further include an ice bin 600 in which ice generated in the ice maker 200 is stored. Ice stored in the ice bin 600 may be discharged to the dispenser 11. The ice bin 600 may be received in the ice making chamber 122 together with the ice maker 200. The ice bin 600 may be disposed below the ice maker 200.
  • Cold generated in a cooler 110 may be supplied to the ice making chamber 122. That is, a cooler 110 may be configured to supply cold to the ice making chamber 122. Alternatively, the cooler 110 may be a component configured to operate to supply cold to the ice making chamber 122.
  • the cooler 110 may be configured to cool the ice making chamber 122, including at least one of a refrigerant cycle or a thermoelectric element. For example, cold air for cooling the freezing chamber 19 may be supplied to the ice making chamber 122.
  • the refrigerator 1 may further include a supply passage 2a that guides cold air of the freezing chamber 19 or cold air of a space where an evaporator that generates cold air for cooling the freezing chamber 19 is disposed to the first refrigerating chamber door 10.
  • the refrigerator 1 may include a discharge passage 2b that guides cold air discharged from the first refrigerating chamber door 10 to the freezing chamber 19 or a space where the evaporator is disposed.
  • the supply passage 2a and the discharge passage 2b may be provided in the cabinet 2.
  • the first refrigerating chamber door 10 may include a cold air inlet 123a. When the first refrigerating chamber door 10 is closed, the cold air inlet 123a may be communicated with the supply passage 2a.
  • the first refrigerating chamber door 10 may further include a cold air outlet 123b. When the first refrigerating chamber door 10 is closed, the cold air outlet 123b may be communicated with the discharge passage 2b.
  • the cold air inlet 123a may be formed on one side of the door liner 102. Although not limited, the one side of the door liner 102 may be a side facing a wall where the supply passage 2a is disposed in the refrigerating chamber 18 when the first refrigerating chamber door 10 is closed.
  • the cold air outlet 123b may be formed on one side of the door liner 102.
  • the one side of the door liner 102 may be a side facing a wall where the discharge passage 2b is disposed in the refrigerating chamber 18 when the first refrigerating chamber door 10 is closed.
  • the ice maker 200 may form ice having a spherical shape.
  • the "spherical shape” mentioned in this specification means not only a geometrically spherical shape but also a shape similar to a spherical shape.
  • the one side of the door liner 102 may include a first side portion 102a and a second side portion 102b having different widths in the front-back direction.
  • a width of the second side portion 102b may be formed to be greater than a width of the first side portion 102a.
  • At least one of the cold air inlet 123a or the cold air outlet 123b may be formed in the second side portion 102b of the door liner 102.
  • the second side portion 102b may protrude further toward the refrigerating chamber 18 than the first side portion 102a.
  • the first refrigerating chamber door 10 may further include an ice making chamber door 130 that opens and closes the ice making chamber 122.
  • the ice making chamber door 130 may be an insulated door having an insulator provided therein.
  • the ice making chamber door 130 may be rotatably connected to the first refrigerating chamber door 10 by a hinge.
  • a basket 136 (a first basket) capable of storing food, may be connected to the ice making chamber door 130.
  • a basket 137 (a second basket) may also be provided on the first refrigerating chamber door 10.
  • the second basket 137 may be positioned below the first basket 136.
  • a length of the second basket 137 in a front-back direction may be less than a length of the first basket 136 in a front-back direction.
  • the second basket 137 may overlap the dispenser 11 in a front-back direction.
  • a component space 123 for receiving a component may be formed in the first refrigerating chamber door 10. At least one of a valve 750 for controlling the flow of water, a filter (not shown) for purifying water, or a water tank 700 for storing water may be received in the component space 123.
  • the component space 123 may be formed by the door liner 102. Alternatively, the component space 123 may be formed by a separate wall connected to the door liner 102.
  • the first refrigerating chamber door 10 may further include a cover member 132 that covers the component space 123.
  • a holder 125 to which the filter is coupled may be provided in the component space 123.
  • the cover member 132 may include an opening 133.
  • the filter may be coupled to the holder 125 through the opening 133.
  • the second basket 137 may cover the opening 133. When the second basket 137 is separated, the opening 133 may be exposed.
  • the holder 125 may be exposed to the opening 133.
  • FIG. 4 is a cross-sectional view taken along line 4-4 of Fig. 2A .
  • the dispenser 11 may include a dispenser housing 11a.
  • the dispenser housing 11a may form a space 11b.
  • a container such as a cup may be positioned in the space 11b. Water or ice may be discharged into the space 11b.
  • At least a portion of the dispenser housing 11a may be arranged to overlap the component space 123 in a front-back direction.
  • a minimum horizontal distance between a front surface of the first refrigerating chamber door 10 (or the outer case 101) and a component space 123 may be greater than a minimum horizontal distance between a front surface of the first refrigerating chamber door 10 (or the outer case 101) and the ice making chamber 122. At least a portion of the ice making chamber 122 may overlap the component space 123 in a vertical direction.
  • the ice maker 200 may overlap the dispenser housing 11a in a vertical direction.
  • the ice bin 600 may overlap the dispenser housing 11a in a vertical direction.
  • the ice maker 200 may include a second pusher 530.
  • the second pusher 530 may overlap the ice bin 600 in a vertical direction.
  • the second pusher 530 may overlap the dispenser housing 11a in a vertical direction.
  • the ice bin 600 may include an ice discharging portion 630 that operates to discharge stored ice.
  • the ice discharging portion 630 may include, for example, a rotating member that rotates.
  • An ice chute 800 may be arranged at a lower side of the ice making chamber 122.
  • the ice chute 800 may be opened and closed by a cap duct 820.
  • An ice guide 840 may be positioned at a lower side of the ice chute 800.
  • the ice chute 800 may provide a path for ice to move.
  • the ice chute 800 may guide ice discharged from the ice bin 600 to the ice guide 840.
  • the ice guide 840 may guide ice to the space 11b.
  • the ice chute 800 may overlap at least a portion of the ice making chamber 122 in a vertical direction. At least a portion of the ice chute 800 may overlap the ice maker 200 in a vertical direction.
  • the second pusher 530 may overlap the ice chute 800 in the vertical direction.
  • the second pusher 530 may overlap the cap duct 820 in a vertical direction.
  • the second pusher 530 may overlap the ice guide 840 in a vertical direction.
  • the ice maker 200 may further include a first pusher 510.
  • the second pusher 530 may be positioned closer to the outer case 101 than the first pusher 510.
  • a horizontal distance between the second pusher 530 and a front surface of the outer case 101 may be less than a horizontal distance between a path formed by the ice chute 800 and a front surface of the outer case 101.
  • the first pusher 510 may overlap the ice discharging portion 630 in a vertical direction.
  • the first pusher 510 may overlap the ice chute 800 in a vertical direction.
  • the first pusher 510 may overlap the ice guide 840 in a vertical direction.
  • the ice maker 200 may overlap the water tank 700 in a vertical direction.
  • FIG. 5A is a drawing showing a state in which a cold air duct is connected to a door liner of a first embodiment
  • Fig. 5B is a drawing showing an ice making chamber wall of a door liner of a first embodiment.
  • FIG. 6 is a drawing showing a state in which an ice maker is installed in a supporting portion of a first embodiment.
  • FIG. 7 is a drawing showing an arrangement relationship between an ice maker and a cold air duct of a first embodiment.
  • the door liner 102 may include an ice making chamber wall 140 forming the ice making chamber 122.
  • the door liner 102 may further include a peripheral wall 102c.
  • the peripheral wall 102c may be spaced apart from the ice making chamber wall 140 at an outer side of the ice making chamber wall 140.
  • the first refrigerating chamber door 10 may further include a cold air duct 900.
  • the cold air duct 900 may guide cold air introduced through the cold air inlet 123a to the ice making chamber 122.
  • the cold air duct 900 may guide cold air of the ice making chamber 122 to the cold air outlet 123b.
  • the cold air duct 900 may include a first duct 910 forming a first passage.
  • the first passage may communicate the cold air inlet 123a with the ice making chamber 122.
  • the cold air duct 900 may further include a second duct 920.
  • the second duct 920 may form the first passage together with the first duct 910.
  • a portion of the first duct 910 may be aligned with the cold air inlet 123a.
  • a portion of the second duct 920 may be in contact with the ice making chamber wall 140.
  • a first through hole 140a may be formed in the ice making chamber wall 140.
  • the first through hole 140a is a supply through hole through which cold air is supplied to the ice making chamber 122.
  • a portion of the second duct 920 may be aligned with the first through hole 140a.
  • One surface of the second duct 920 may form the first passage.
  • the cold air duct 900 may further include a third duct 930.
  • the third duct 930 may form a second passage.
  • the second passage may communicate the cold air outlet 123a with the ice making chamber 122.
  • the third duct 930 may form the second passage together with the second duct 920.
  • another surface of the second duct 920 may form the second passage.
  • a second through hole 140b may be formed in the ice making chamber wall 140.
  • the second through hole 140b is a discharge through hole through which cold air is discharged from the ice making chamber 122.
  • the second through hole 140b may be located below the first through hole 140a.
  • Another portion of the second duct 920 may be aligned with the cold air outlet 123b.
  • a portion of the third duct 930 may be aligned with the second through hole 140b.
  • the cold air duct 900 may be omitted.
  • the ice making chamber wall 140 may include a front wall 141.
  • the front wall 141 may be a wall facing the outer case 101.
  • the ice making chamber wall 140 may further include a first side wall 143.
  • the ice making chamber wall 140 may further include a second side wall 144 positioned opposite the first side wall 143.
  • the cold air duct 900 may be positioned between the second side wall 144 and the peripheral wall 102c.
  • the first through hole 140a and the second through hole 140b may be formed in the second side wall 144.
  • the ice making chamber wall 140 may further include an upper wall 142.
  • the ice making chamber wall 140 may further include a lower wall 148.
  • the first refrigerating chamber door 10 may further include a supporting portion 150 on which the ice maker 200 is installed.
  • the supporting portion 150 may be installed on the ice making chamber wall 140.
  • a portion or all of the supporting portion 150 may be integrally formed with the ice making chamber wall 140.
  • the supporting portion 150 may be omitted and the ice maker 200 may be installed on the ice making chamber wall 140. In either case, the ice maker 200 may be described as being supported on the ice making chamber wall 140.
  • the supporting portion 150 may include a first member 152.
  • the first member 152 may extend in a vertical direction.
  • the ice maker 200 may be installed on the first member 152.
  • the first member 152 may include a mounting portion 155.
  • the mounting portion 155 may be disposed at an upper portion of the first member 152.
  • the first member 152 may be provided with a slot 154 through which a portion of the ice maker 200 passes.
  • a motor assembly for driving an ice discharging portion 630 of the ice bin 600 may be mounted on the first member 152.
  • the supporting portion 150 may further include a second member 153.
  • the second member 153 may extend in a horizontal direction from the first member 152.
  • the ice bin 600 may be seated on the second member 153.
  • An ice through hole 153a through which ice passes may be formed in the second member 153.
  • the ice maker 200 may further include a bracket 220 supported by the supporting portion 150 or supported by the ice making chamber wall 140. When the ice maker 200 is directly supported by the ice making chamber wall 140, the ice maker 200 may be supported by the front wall 141.
  • FIG. 8A is a perspective view of an ice maker as viewed from one upper side according to a first embodiment
  • FIG. 8B is a perspective view of an ice maker as viewed from another upper side according to a first embodiment.
  • FIG. 9A is a front view of an ice maker of a first embodiment
  • FIG. 9B is a perspective view of an ice maker as viewed from a lower side according to a first embodiment.
  • FIG. 10 is an exploded perspective view of an ice maker according to a first embodiment.
  • FIG. 11 is an exploded front view of an ice maker according to a first embodiment.
  • the ice maker 200 may include a first tray assembly 201.
  • the first tray assembly 201 may form a portion of an ice making cell 203.
  • the ice maker 200 may further include a second tray assembly 202.
  • the second tray assembly 202 may form another portion of the ice making cell 203.
  • the ice making cell 203 is a space where water is phase-changed by cold.
  • a driver 480 may be mounted on one side of the bracket 220.
  • the driver 480 may provide driving force to the second tray assembly 202.
  • the first tray assembly 201 may be installed on the bracket 220.
  • the second tray assembly 202 may move relative to the first tray assembly 201.
  • the second tray assembly 202 may move linearly, curvedly, or rotationally.
  • the driver 480 may include a motor housing 481.
  • the driver 480 may further include a motor received in the motor housing 481 and a power transfer portion.
  • a coupling portion 482 may be formed at an upper side of the motor housing 481.
  • the coupling portion 482 may be coupled to the bracket 220 by a coupling member.
  • the driver 480 may be positioned adjacent to the first side wall 143. That is, the driver 480 may be positioned opposite a first through hole (inlet through hole) 140a through which cold air is introduced.
  • the ice maker 200 may further include a full ice detection lever 550 for detecting a full ice of the ice bin 600.
  • a full ice detection lever 550 for detecting a full ice of the ice bin 600.
  • One end of the full ice detection lever 550 may be connected to the driver 480.
  • Another end of the full ice detection lever 550 may be connected to the bracket 220.
  • the ice making chamber wall 140 may be provided with a recess formed at a position corresponding to the driver 480.
  • the recess may include a first recess 145a formed in the first side wall 143.
  • the recess may further include a second recess 145b formed in the front wall 141.
  • the ice making chamber wall 140 may further include a third recess 145c in which a portion of the supporting portion 150 is positioned.
  • the third recess 145c may be formed in the front wall 141.
  • the third recess 145c may be connected to the second recess 145b.
  • the ice maker 200 may further include a cold guide.
  • the cold guide may provide a path for supplying cold to the ice making cell 203.
  • the cold guide may be provided outside the ice making cell 203.
  • the cold guide may include, for example, a cold air guide 270. Accordingly, all configurations described in the cold air guide may be understood as configurations of the cold guide.
  • the cold air guide 270 may be adjacent to or in contact with the second side wall 144.
  • a path for supplying cold to the ice making cell 203 may be formed by the cold air guide, the first tray, and the first tray cover. Accordingly, at least a portion of each of the cold guide, the first tray and the first tray cover may serve as the cold guide.
  • the cold air guide 270 may be a separate component from the first tray case described below or may be a portion of the first tray case.
  • the driver 480 may be located at an opposite side of the second side wall 144 or the cold air guide 270 with respect to the ice maker 200.
  • the ice making chamber wall 140 may have slots 146, 147 formed therein through which a water pipe through which water flows and one or more connectors (or wire) for connection with the ice maker 200 pass.
  • the slots 146, 147 may be formed in the front wall 141.
  • a portion of water may be phase-changed into ice while being received in a portion of the ice making cell 203 formed by the first tray assembly 201. Another portion of water may be phase-changed into ice while being received in a portion of the ice making cell 203 formed by the second tray assembly 202. In a state in which an ice making is completed, a portion of ice may be in contact with the first tray assembly 201. In a state in which an ice making is completed, another portion of ice may be in contact with the second tray assembly 202.
  • the first tray assembly 201 may include a first tray 320.
  • the first tray 320 may form a portion of each of a plurality of ice making cells 203.
  • the first tray assembly 201 may include a first tray case.
  • the first tray case may include a portion that is in contact with the first tray or that is supported by the first tray.
  • the first tray case may further include a first tray cover 300.
  • the first tray cover 300 may be coupled to the first tray 320.
  • the first tray cover 300 may be disposed at one side of the first tray 320.
  • the first tray 320 may be coupled to the bracket 220.
  • the first tray 320 may be coupled to the bracket 220 in a state in which the first tray cover 300 is coupled to one side of the first tray 320.
  • the first tray 320 may be coupled to the supporting portion 150 or the ice making chamber wall 140.
  • the ice maker 200 may further include a heater 330 to provide heat to the ice making cell 203.
  • the heater 330 may be disposed inside or near the first tray assembly 201.
  • the first tray assembly 201 may include the heater 330.
  • the heater 330 may operate at least in an ice separation process to provide heat to the first tray 320 after an ice making is completed.
  • the heater 330 may function as an ice separation heater.
  • the heater 330 may be in contact with the first tray 320.
  • the first tray assembly 201 may further include a heater cover 340 (or a heater case) that covers the heater 330.
  • the heater cover 340 may include a portion in contact with the heater 330 or supported by the heater 330.
  • the heater cover 340 may be a separate component from the first tray cover 300 or may be integrally formed with the first tray cover 300.
  • the heater cover 340 may press the heater 330 toward the first tray 320.
  • the heater cover 340 may be positioned between the first tray 320 and the first tray cover 300.
  • the heater cover 340 may be positioned at an upper side of a portion of the first tray 320 and at a lower side of a portion of the first tray cover 300.
  • the second tray assembly 202 may include a second tray 360.
  • the second tray 360 may form another portion of each of a plurality of ice making cells 203.
  • At least a portion of the second tray 360 may be formed of a deformable material so that ice may be easily separated.
  • the second tray assembly 202 may further include a second tray case.
  • the second tray case may be in contact with the second tray 360.
  • the second tray case may include a second tray cover 350. A portion of the second tray cover 350 may be positioned closer to the first tray 320 than a portion of the second tray 360.
  • the second tray case may further include a second tray supporter 380. A portion of the second tray supporter 380 may be positioned farther way from the first tray 320 than a portion of the second tray 360.
  • the ice maker 200 may further include a water supply 240 for supplying water to the ice making cell.
  • the water supply 240 may supply water to some of a plurality of ice making cells.
  • the water supply 240 may be installed on the bracket 220.
  • the water supply 240 may be provided with a slot 242 through which a water pipe passes.
  • the water supply 240 may include a through hole 241 through which water is discharged.
  • the cold air guide 270 may be installed on, for example, the bracket 220, the first tray 320, or the first tray cover 300.
  • the cold air guide 270 may guide cold air to the ice making cell 203.
  • the cold air guide 270 may be in contact with the first tray assembly 201.
  • the cold guide 270 may be in contact with one or more of the first tray 320 and the first tray cover 300.
  • a portion of the cold air guide 270 may be positioned at an opposite side of the driver 480 with respect to the first tray assembly 201. Cold air guided by the cold air guide 270 may flow in a direction close to the driver 480.
  • the driver 480 may be prevented from acting as a flow resistance of cold air by an arrangement of the driver 480.
  • the ice maker 200 may further include a temperature sensor 710 for detecting a temperature of water or ice in an ice making cell.
  • the temperature sensor 710 may detect a temperature of the first tray 320.
  • the temperature sensor 710 may be seated on the first tray 320.
  • the temperature sensor 710 may be covered by an insulator 720.
  • the insulator 720 may prevent cold air from directly contacting the temperature sensor 710.
  • the ice maker 200 may further include a transfer portion 420, 421 for transmitting a power of the driver 480.
  • a power of the driver 480 may be transmitted to the second tray assembly 202 by a plurality of transfer portions 420, 421.
  • a first transfer portion 420 of a plurality of transfer portions 420, 421 may be connected to the driver 480.
  • the first transfer portion 420 may be coupled to one side of the second tray supporter 380.
  • a second transfer portion 421 of a plurality of transfer portions 420, 421 may be coupled to another side of the second tray supporter 380.
  • the ice maker 200 may further include a shaft 410 coupled to each of the plurality of transfer portions 420 and 421.
  • the first transfer portion 420 may be movably supported by one side of the first tray 320.
  • the second transfer portion 421 may be movably supported by another side of the first tray 320.
  • a material of the transfer portions 420, 421 is different from a material of the first tray 320.
  • the transfer portions 420, 421 may be, for example, a plastic injection molded product.
  • an intermediate member 416 may be coupled to one of the transfer portions 420, 421 and the first tray 320.
  • the intermediate member 416 may be coupled to the first tray 320.
  • the transfer portions 420, 421 may pass through the intermediate member 416 and be in contact with the intermediate member 416.
  • the ice maker 200 may further include a first pusher 510 to press ice or a first tray assembly 201 in an ice separation process.
  • the first pusher 510 may push ice so that ice is separated from the first tray 320.
  • the first pusher 510 may pass through the first tray cover 300 to push ice, for example.
  • the first pusher 510 may push ice by passing through the first tray 320.
  • the first pusher 510 may receive a power from the driver 480.
  • the first pusher 510 may receive a power from the driver 480 transmitted to the second tray assembly 202.
  • the ice maker 200 may further include a pusher link 440.
  • a plurality of pusher links 440 may be connected to the first pusher 510.
  • One side of the pusher link 440 may be connected to the first pusher 510, and another side of the pusher link 440 may be connected to the second tray assembly 202.
  • the other side of the pusher link 440 may be connected to the second tray supporter 380.
  • the ice maker 200 may further include an elastic member 460.
  • One end of the elastic member 460 may be connected to the transfer portion 420, 421, and another end of the elastic member 460 may be connected to the second tray assembly 202.
  • a position of the transfer portions 420 and 421 may be moved to an initial position by a restoring force.
  • the elastic member 460 may increase an adhesion force between the first tray assembly 201 and the second tray assembly 202 at an ice making position.
  • the other end of the elastic member 460 may be coupled to the second tray supporter 380.
  • the ice maker 200 may further include a second pusher 530 to press ice or the second tray assembly 202 in an ice separation process.
  • the second pusher 530 may be installed on the bracket 220, for example. If the bracket 220 is omitted, the second pusher 530 may be installed on the supporting portion 150 or the ice making chamber wall 140.
  • the ice maker 200 may further include a full ice detection lever 550.
  • the full ice detection lever 550 may include a lever body 552 extending in one direction.
  • the full ice detection lever 550 may further include a first extension 553 extending from one end of the lever body 552.
  • the full ice detection lever 550 may further include a second extension 554 extending from another end of the lever body 552.
  • the first extension 553 may be connected to the driver 480.
  • the second extension 554 may be connected to the bracket 220.
  • the driver 480 may include an extension rib 484 for insertion into or passing through the bracket 220.
  • a plurality of extension ribs 484 may be arranged to be spaced apart from each other in a horizontal or vertical direction.
  • the extension ribs 484 may protrude from the motor housing 481.
  • FIG. 12A is a perspective view of a bracket as viewed from one side according to a first embodiment.
  • FIG. 12B is a perspective view of a bracket as viewed from another side according to a first embodiment.
  • FIG. 13 is a perspective view of a bracket to the first embodiment as viewed from an upper side according to a first embodiment.
  • the bracket 220 may include a first portion 221.
  • the first tray assembly 201 may be in contact with the first portion 221 or supported by the first portion 221.
  • the first portion 221 may be coupled to the supporting portion 150.
  • the bracket 220 may further include a second portion 230 extending from the first portion 221.
  • the driver 480 may be coupled to the second portion 230.
  • the first portion 221 may include a first supporter 222a to support the water supply 240.
  • a portion of the water supply 240 may be inserted into the first supporter 222a.
  • a portion of the water supply 240 may be inserted in or supported by the first supporter 222a, for example, in a vertical direction or a first direction.
  • the first supporter 222a may also be inserted into the water supply 240.
  • the first portion 221 may further include a first coupling portion 222b through which a coupling member coupled to the water supply 240 passes.
  • the first portion 221 may further include a second supporter 223a that supports the cold air guide 270.
  • a protrusion 273b of the cold air guide 270 may be inserted into the second supporter 223a.
  • the protrusion 273b may be inserted into or supported by the second supporter 223a in a horizontal direction or in a second direction crossing the first direction.
  • the second supporter 223a may be inserted into the cold air guide 270.
  • the first portion 221 may further include a second coupling portion 223b through which a coupling member coupled to the cold air guide 270 passes.
  • the first portion 221 may further include a third supporter 224a that supports the first tray assembly 201.
  • the first tray 320 may be supported by the third supporter 224a.
  • the third supporter 224a may be provided on a first surface of the first portion 221.
  • a bracket coupling portion 325c of the first tray 320 may be inserted into the third supporter 224a.
  • the bracket coupling portion 325c may be inserted into the third supporter 224a in a vertical direction.
  • the third supporter 224a may also be inserted into the first tray 320.
  • the first portion 221 may further include a third coupling portion 224d, 224e through which a coupling member coupled to the first tray 320 passes.
  • a plurality of third coupling portions 224d, 224e may be arranged spaced apart in a horizontal or vertical direction.
  • the first portion 221 may further include guide ribs 224b, 224c that guide a position of the first tray 320 in a state in which the first tray 320 is supported by the third supporter 224a.
  • a plurality of guide ribs 224b, 224c may be arranged to be spaced apart from each other in a horizontal or vertical direction. Some or all of the plurality of guide ribs 224b, 224c may be bent one or more times.
  • at least one guide rib may include a horizontal portion and a vertical portion.
  • a first guide rib 224b of the plurality of guide ribs 224b, 224c may be adjacent to or in contact with the first coupling part 324a to be described later.
  • the first guide rib 224b may surround at least a portion of the first coupling part 324a.
  • a second guide rib 224c of the plurality of guide ribs 224b, 224c may be adjacent to or in contact with the second coupling part 324b to be described later.
  • the second guide rib 224c may surround at least a portion of the second coupling part 324b.
  • the second pusher 530 may be coupled to the first portion 221.
  • the first portion 221 may further include a pusher supporter 227c on which the second pusher 530 is supported. A portion of the second pusher 530 may be inserted into the pusher supporter 227c.
  • the first portion 221 may further include a coupling portion 227d through which a coupling member coupled to the second pusher 530 passes.
  • the first portion 221 may further include a slot 227a into which a portion of the second pusher 530 is inserted or for exposing a portion of the second pusher 530.
  • a coupling member may be coupled to the supporting portion 150 by passing through the second pusher 530 in a state in which a portion of the second pusher 530 is aligned with the slot 227a.
  • the first portion 221 may include a plurality of slots 227a.
  • the plurality of slots 227a may be spaced apart from each other in a horizontal direction or a vertical direction.
  • the slot 227a may be disposed between the coupling portion 227d and the pusher supporter 227c.
  • the first portion 221 may further include a rib 227b that guides a position of at least one side of the second pusher 530.
  • a plurality of ribs 227b may be spaced apart from each other in a horizontal or vertical direction.
  • the second pusher 530 may be positioned between the plurality of ribs 227b.
  • At least a portion of the slot 227a may be positioned between the plurality of ribs 227b.
  • the first portion 221 may include a first wall 221a. At least a portion of the first wall 221a may extend in a vertical direction.
  • the first portion 221 may further include a second wall 221b extending from a lower end of the first wall 221a.
  • the second wall 221b may be inclined from the first wall 221a. For example, in a state in which the first tray assembly 201 is supported by the bracket 220, the second wall 221b may extend in a direction away from the first tray assembly 201 or the ice making cell 203 or the ice making chamber door 130.
  • the first portion 221 may further include a third wall 221c extending from the second wall 221b.
  • the third wall 221c may be divided into a part extending horizontally or inclined with respect to a horizontal plane, and a part extending vertically or inclined with respect to a horizontal plane.
  • the second wall 221b may be omitted, and the third wall 221c may also extend from a lower side of the first wall 221a.
  • Two or more of the first to third supporters 222a, 223a, and 224a may be arranged at different heights. In this case, interference between the components coupled to the first to third supporters 222a, 223a, and 224a may be prevented.
  • the first supporter 222a may be arranged higher than the second supporter 223b.
  • the third supporter 224a may be arranged lower than the second supporter 223b.
  • Two or more of the first to third supporters 222a, 223a, and 224a may be arranged at different horizontal positions.
  • At least one of the first to third supporters 222a, 223a, 224a may be provided on the first wall 221a.
  • each of the first to third supporters 222a, 223a, 224a may be provided on a first surface of the first wall 221a.
  • At least one of the first to third coupling portions 222b, 223b, 224d, 224e may be provided on the first wall 221a.
  • At least two of the first to third coupling portions 222b, 223b, 224d, 224e may be arranged at different heights. Two or more of the first to third coupling portions 222b, 223b, 224d, and 224e may be arranged at different positions in a horizontal direction.
  • the pusher supporter 227c and coupling portion 227d may be provided on the third wall 221c.
  • the slot 227a may be provided in the third wall 221c.
  • the bracket 220 may further include a bracket extension 225 passing through a slot 154 of the supporting portion 150.
  • the bracket extension 225 may be formed on the first portion 221.
  • the bracket extension 225 may be provided on a second surface opposite to the first surface of the first wall 221.
  • the bracket 220 may further include a heater guide 226 that guides the heater 330.
  • the heater guide 226 may form a space 226a that receives the heater 330 therein by protruding a portion of the first portion 221.
  • the heater guide 226 may protrude from a second surface of the first wall 221.
  • the first portion 221 may include a hole 226b through which a portion of the heater 330 passes.
  • the hole 226a may be positioned adjacent to the second portion 230 in the first portion 221.
  • the second portion 230 may surround a portion of an outer surface of the driver 480.
  • the second portion 230 may include a first section 230a extending in a direction crossing the first portion 221.
  • the first section 230a may be provided with an opening 232 through which a component for connecting the driver 480 and the second tray assembly 202 passes.
  • the second portion 230 may further include a second section 230b extending in a direction crossing the first section 230a.
  • the second section 230b may cover an upper side of the driver 480.
  • the second section 230b may be provided with a coupling projection 231c for coupling with the driver 480.
  • the second portion 230 may further include a third section 230c extending in a direction crossing the first section 230a.
  • the third section 230c may cross the second section 230b.
  • a rib 232 for reinforcing strength may be provided at a connection portion between the second portion 230 and the first portion 221.
  • a plurality of ribs 232 may be arranged in a vertical direction or a horizontal direction.
  • the ribs 232 may be formed on a second surface of the first wall 221a.
  • the second portion 230 may further include a rib receiving portion 231a and 231b that receives an extension rib 484 of the driver 480.
  • the rib receiving portion 231a, 231b may extend from the first section 230a or from the second section 230b.
  • the bracket 220 may further include a lever coupling portion 228 to which a second extension 554 of the full ice detection lever 550 is coupled.
  • the lever coupling portion 228 may include a lever through hole 228a.
  • the lever coupling portion 228 may be disposed at an opposite side of the second portion 230 in the first portion 221.
  • the lever coupling portion 228 may include, for example, a first part 228c extending from the third wall 221c.
  • the lever coupling portion 228 may further include a second part 228d bent from the first part 228c.
  • the lever through hole 228a may be formed in the second part 228d.
  • bracket 220 in this embodiment is described as a separate component from the ice making chamber wall 140, it is also possible for the bracket 220 to be formed integrally with the ice making chamber wall 140. In this case, the bracket 220 may be integrally formed with the front wall 141. For example, it is also possible for a portion of the front wall 141 to be the first portion 221, and for the second portion 230 to extend from the first portion 221.
  • a portion of the front wall 141 may be the first portion 221 of the bracket 220, and a separate second portion 230 may be coupled to the first portion 221.
  • the first portion 221 and the second portion 230 may be separate components, and may be connected to or spaced apart from each other.
  • the bracket 220 may be integrally formed with the supporting portion 150.
  • FIG. 14A is a perspective view of a cold air guide as viewed from an upper side according to a first embodiment
  • FIG. 14B is a perspective view of a cold air guide as viewed from a lower side according to a first embodiment.
  • the cold air guide 270 may include a first opening 272 (or a cold air inlet).
  • the first opening 272 may provide a path for cold air, which is an example of cold, to flow into an inside of a space defined by the cold air guide 270.
  • the cold air guide 270 may further include a second opening 278 (or a cold air outlet).
  • the second opening 278 may provide a path for the cold air to be discharged from an inside of a space defined by the cold air guide 270 to an outside.
  • the cold air guide 270 may include a first guide 271 to form the first opening 272.
  • the cold air guide 270 may further include a second guide 275 to form the second opening 278.
  • the second guide 275 may extend from the first guide 271.
  • the first guide 271 and the second guide 275 may define a cold air passage 270a, which is a path through which cold air flows.
  • the first guide 271 may further include a rounded wall 274.
  • the rounded wall 274 may be formed to be convex upward, for example.
  • the cold air guide 270 may include a guide wall that provides one side of a space or cold air passage 270a defined by the cold air guide 270.
  • the guide wall may include a first guide wall 275a.
  • the first guide wall 275a may provide a first surface of the cold air passage 270a.
  • the first surface may be a portion of an upper surface of the cold air guide 275.
  • the guide wall may further include a second guide wall 276.
  • the second guide wall 276 may extend from the first guide wall 275a.
  • the second guide wall 276 may provide a second surface of the cold air passage 270a.
  • the second surface may define a first side surface of the cold air passage 270a.
  • the second surface may form a first corner portion of the cold air guide 270 together with the first surface.
  • the guide wall may further include a third guide wall 277.
  • the third guide wall 277 may extend from the first guide wall 275a.
  • the third guide wall 277 may provide a third surface of the cold air passage 270a.
  • the third surface may define a second side surface of the cold air passage 270a.
  • the third surface may form a second corner portion of the cold air guide 270 together with the first surface.
  • the second guide 275 may include the first to third guide walls 275a, 276, 277.
  • the first guide wall 275a may include a first inclined surface 275b.
  • the first inclined surface 275b may be inclined in a direction closer to the second opening 278.
  • the first inclined surface 275b may be inclined downward as being away from the first guide 271.
  • the first guide wall 275a may further include a second inclined surface 275c.
  • An inclination direction of the second inclined surface 275c may be different from an inclination direction of the first inclined surface 275b.
  • the second opening 278 may be formed in the first guide wall 275a or the third guide wall 277.
  • the cold guide 270 may further include a bracket coupling portion 273a coupled to the bracket 220.
  • the bracket coupling portion 273a may be formed on the first guide 271 or the second guide 275.
  • the cold guide 270 may further include a protrusion 273b coupled to the bracket 200.
  • the protrusion 273b may be formed on the second guide 275, for example.
  • the cold guide 270 may further include a recess 276c on which a portion of the water supply 240 is disposed.
  • the recess 276c may be formed in the second guide 275, for example.
  • FIG. 15 is a perspective view of a first tray as viewed from an upper side according to a first embodiment.
  • FIG. 16 is a perspective view of a first tray as viewed from a lower side according to a first embodiment.
  • the first tray 320 may define a first cell 321, which is a portion of the ice making cell 203.
  • the first tray 320 may include a first cell wall 322 to form the first cell 321.
  • the first cell 321 may be formed in a hemispherical shape or a shape similar to a hemisphere, for example.
  • the first tray 320 may include a first contact surface 322a in contact with the second tray 360.
  • the first contact surface 322a may be one surface of the first cell wall 322.
  • the first tray 320 may form, for example, a plurality of first cells 321.
  • a plurality of first cells 321 may be arranged in a plurality of rows so as to reduce a size of generated ice while increasing a number of ices.
  • the plurality of first cells 321 may include a first cell portion 321a arranged in a first row and a second cell portion 321b arranged in a second row.
  • the first row and the second row may be arranged in a Y-axis direction in the drawing.
  • the Y-axis direction may be, for example, a front-back direction of a refrigerator or a front-back direction of a door.
  • the first row may include a plurality of first cell portions 321a.
  • the second row may include a plurality of second cell portions 321b.
  • the first row may be positioned closer to the front wall 141 or an outer case 101 or a front surface of the door or a cold air guide 270 than the second row.
  • the second row may be positioned closer to the ice making chamber door 130 than the first row.
  • a number of the plurality of first cell portions 321a may be the same as or different from a number of the plurality of second cell portions 321b.
  • a number of the plurality of first cell portions 321a may be less than a number of the plurality of second cell portions 321b.
  • One first cell portion 321a may be arranged to correspond to an area between two adjacent second cell portions 321b.
  • one first cell portion 321a may be arranged to face an area between two adjacent second cell portions 321b. That is, a first cell portion 321a and a second cell portion 321b may be arranged in a zigzag shape.
  • the first tray 320 may further include through holes 323a, 323b that provide a path for water or cold air.
  • the first tray 320 may further include an auxiliary storage chamber 323d.
  • the auxiliary storage chamber 323d may allow water or cold air to pass through.
  • the auxiliary storage chamber 323d may be disposed at an upper side of the through holes 323a, 323b.
  • the extension wall 323c may extend upward from a periphery of the through holes 323a, 323b to form the auxiliary storage chamber 323d.
  • an upper end of ice may be located in the through hole 323a, 323b or adjacent to the through hole 323a, 323b. Accordingly, generated ice may have a spherical shape or a shape that is almost spherical.
  • the auxiliary storage chamber 323d may store water supplied in excess to the ice making cell 203.
  • the auxiliary storage chamber 323d may store ice that expands in a process of supplied water being phase-changed.
  • the first tray 320 may further include an extension 324.
  • the extension 324 may extend from the first cell wall 322.
  • the first tray 320 may further include one or more coupling parts to be coupled to the bracket 220.
  • the first tray 320 may include a first coupling part 324a.
  • the first tray 320 may further include a second coupling part 324b.
  • the second portion 302 may extend from the first portion 301 in a direction crossing the first portion 301.
  • the second portion 302 may extend from the first portion 301 in a direction away from the first tray 320.
  • the first and second coupling parts 324a, 324b may include a coupling hole 324c.
  • the first tray 320 may further include a reinforcing rib 324d connecting at least one of the first coupling part 324a or the second coupling part 324b and the extension 324.
  • the first tray 320 may further include a supporter 325 that supports a component for a movement of the second tray assembly 202.
  • a supporter 325 may be arranged spaced apart from each other in an X-axis direction.
  • the supporter 325 may extend in one direction from the extension 324.
  • the supporter 325 may include a hole 325a.
  • the transfer portions 420 and 421 may be movably coupled to the supporter 325.
  • the transfer portions 420 and 421 may be rotatably coupled to the supporter 325.
  • the intermediate member 416 may be coupled to the hole 325a of the supporter 325, and a slot 325b into which a portion of the intermediate member 416 is inserted may be provided in the supporter 325 to prevent the intermediate member 416 from rotating with respect to the supporter 325.
  • the slot 325b may extend outwardly from the hole 325a.
  • the first tray 320 may further include a bracket coupling portion 325c to be coupled to the bracket 220.
  • the bracket coupling portion 325c may protrude from the extension 324.
  • the first tray 320 may further include a cover coupling portion 327 to be coupled to the first tray cover 300.
  • the first tray 320 may further include a sensor mounting portion 326 on which the temperature sensor 710 is mounted.
  • the sensor mounting portion 326 may be formed in a recessed shape toward the second tray 360.
  • the temperature sensor 710 may be received in the sensor mounting portion 326.
  • the first tray 320 may further include a receiving portion 326a for receiving an insulator 720 seated on the temperature sensor 710.
  • the first tray 320 may further include a plurality of coupling bosses 328a, 328b, 328c.
  • the plurality of coupling bosses 328a, 328b, 328c may include a first coupling boss 328a.
  • the heater cover 340 may be seated on the first coupling boss 328a.
  • the first coupling boss 328a may be coupled to a coupling member passing through the first tray cover 300 and the heater cover 340.
  • the plurality of coupling bosses 328a, 328b, 328c may further include a second coupling boss 328b.
  • the second coupling boss 328b may be positioned adjacent to the sensor mounting portion 326.
  • the first tray cover 300 may be seated on the second coupling boss 328b.
  • the second coupling boss 328b may be coupled to a coupling member that is coupled to the first tray cover 300.
  • the plurality of coupling bosses 328a, 328b, 328c may further include a third coupling boss 328c.
  • the third coupling boss 328c may be coupled to a coupling member passing through the first tray cover 300.
  • the first tray 320 may further include a heater seating portion 329 on which the heater 330 is seated.
  • the heater seating portion 329 may be formed, for example, by a portion of the first tray 320 being recessed in a direction toward the second tray 360.
  • the heater seating portion 329 may be formed in a shape that is recessed downward.
  • the first tray 320 may further include a guide groove 329a for guiding a portion of the heater 330 disposed outside the heater seating portion 329.
  • the first tray 320 may further include a recess 329c recessed in a direction toward the second tray 360 from the extension 324 or the first cell wall 322.
  • the heater seating portion 329 may be formed by being recessed in the recess 329c. Of course, the recess 329c may be omitted.
  • FIG. 17 is a perspective view of a first tray cover as viewed from an upper side according to a first embodiment.
  • FIG. 18 is a perspective view of a first tray cover as viewed from a lower side according to a first embodiment.
  • the first tray cover 300 may include a first portion 301.
  • a portion of the first portion 301 may be spaced apart from the first tray 320.
  • at least a portion of the first portion 301 may be positioned at an upper side of the first tray 320.
  • the first tray cover 300 may further include a second portion 302 extending from one side of the first portion 301.
  • the second portion 302 may extend from the first portion 301 in a direction crossing the first portion 301.
  • the second portion 302 may extend from the first portion 301 in a direction away from the first tray 320.
  • the second portion 302 may cover the first pusher 510 at an ice making position. The second portion 302 may minimize an exposure of the first pusher 510. The second portion 302 may be positioned between the first pusher 510 and the ice making chamber door 130. A hole 302a may be formed in the second portion 302. A coupling member may pass through the hole 302a.
  • the first tray cover 300 may further include a guide 303.
  • the guide 303 may extend from the first portion 301 and provide a movement path of the first pusher 510.
  • the guide 303 may include a guide slot 303a.
  • the first tray cover 300 may further include a water supply hole 301a.
  • the water supply hole 301a may be aligned with a through hole 241 of the water supply 240.
  • the first tray cover 300 may further include a communication hole 301b aligned with the auxiliary storage chamber 323d (or a through hole 323a, 323b) of the first tray 320.
  • a plurality of communication holes 301b may be formed in the first portion 301.
  • the first tray cover 300 may further include a first coupling hole 301d aligned with the first coupling boss 328a.
  • a coupling member may be coupled to the first coupling boss 328a by passing through the first coupling hole 301d and the heater cover 340.
  • the first tray cover 300 may further include a coupling portion 301e aligned with the second coupling boss 328b.
  • the coupling portion 301e may protrude from the first portion 301.
  • a coupling member may be coupled to the second coupling boss 328b by passing through the coupling portion 301e.
  • the first tray cover 300 may further include a second coupling hole 301f aligned with the third coupling boss 328c.
  • a coupling member may be coupled to the third coupling boss 328c by passing through the second coupling hole 301f.
  • the first portion 301 may further include a receiving groove 301g in which an extension wall 323c of the first tray 320 is received.
  • a rib 301c may be formed in a portion of the receiving groove 301g corresponding to the communication hole 301b.
  • the first tray cover 300 may further include a guide cover 304 in contact with a portion of the cold air guide 270.
  • the guide cover 304 may cover a portion of the cold air guide 270.
  • the guide cover 304 may be bent at the first portion 301.
  • the first tray cover 300 may further include a guide contact portion 304a in contact with the cold air guide 270.
  • the guide contact portion 304a may extend upward from the first portion 301.
  • the first tray cover 300 may further include a tray seating portion 305 seated on the first tray 320.
  • a tray seating portion 305 seated on the first tray 320.
  • a plurality of tray seating portions 305 may be arranged to be spaced apart from the first portion 301.
  • the first portion 301 may be spaced apart from a portion of the first tray 320 by the tray seating portion 305.
  • the first tray cover 300 may further include a tray coupling portion 306 to be coupled to the first tray 320.
  • the cover coupling portion 327 may be coupled to the tray coupling portion 306.
  • the cover coupling portion 327 may be inserted into the tray coupling portion 306.
  • the first tray cover 300 may further include a cover pressing portion 307.
  • the cover pressing portion 307 may protrude from the first portion 301.
  • the cover pressing portion 307 may press the heater cover 340.
  • the first tray cover 300 may further include a pressing protrusion 308.
  • the pressing protrusion 380 may press the insulator 720.
  • the first tray cover 300 may further include a heater guide 309.
  • the heater guide 309 may be positioned adjacent to one tray seating portion of a plurality of tray seating portions 305.
  • the heater guide 309 may protrude from the first portion 301.
  • a portion of the heater 330 may be positioned between the heater guide 309 and the one tray seating portion 305.
  • FIG. 19 is a drawing showing a state in which a first tray assembly and a cold air guide are separated according to a first embodiment.
  • FIG. 20 is a drawing showing a state in which a cold air guide is seated on a first tray assembly according to a first embodiment.
  • FIG. 21A is a cross-sectional view taken along line 21A-21A of Fig. 20
  • FIG. 21B is a drawing partially showing a state in which a cold air guide is in contact with a first tray cover.
  • the heater 330 may be seated on the heater seating portion 329. In this state, the heater cover 340 may be in contact with the heater 330.
  • the temperature sensor 710 may be received in the sensor mounting portion 326.
  • the insulator 720 may be seated on an upper side of the temperature sensor 710.
  • the first tray cover 300 may be seated on the first tray 320.
  • the cover coupling portion 327 may be coupled to the tray coupling portion 306.
  • the cold air guide 270 may be seated on the first tray cover 300.
  • the cold air guide 270 may be seated on, for example, an extension 324 of the first tray 300.
  • a portion of a lower side of the cold air passage 270a may be formed by the extension 324.
  • the guide cover 304 may cover a portion of the cold air guide 270.
  • the second inclined surface 275c of the first guide wall 275a may be inclined downward toward the first tray cover 300.
  • the guide cover 304 may cover the second inclined surface 275c.
  • the recess 276c of the cold air guide 270 may be aligned with the water supply hole 301a.
  • the guide contact portion 304a may be in contact with the second guide 275.
  • the guide contact portion 304a may be in contact with the third guide wall 277.
  • One guide 303 of the plurality of guides 303 may be positioned between the second portion 302 of the first tray cover 300 and the cold air guide 270.
  • cold air may be restricted from flowing between the guide contact portion 304a and the second guide 275. Then, cold air may be restricted from flowing toward the first guide 303, thereby preventing freezing of the first guide 303.
  • FIG. 22A is a perspective view of a first tray assembly as viewed from one side according to a first embodiment.
  • FIG. 22B is a perspective view of a first tray assembly as viewed from another side according to a first embodiment.
  • the first tray cover 300 may define a cooling passage 310 together with the first tray 320.
  • the cooling passage 310 may be formed, for example, by one surface of the first portion 301. Since there is a height difference between at least a portion of the first portion 301 and at least a portion of the extension 324, the cooling passage 310 may be formed by a height difference. In a process of cold air flowing along the cooling passage 310, the first tray 320 may be cooled.
  • the cover pressing portion 307 may press the heater cover 340.
  • the pressing protrusion 308 may press the insulator 720.
  • the first portion 301 may be seated on an extension wall 323c of the first tray 320. Even if water overflows from the auxiliary storage chamber 323d, overflowed water may move to an upper side of the first portion 301. Therefore, water may be prevented from flowing directly to the first tray 320 and from freezing around the first tray 320.
  • FIG. 23A is a perspective view of a second tray assembly as viewed from an upper side according to a first embodiment.
  • FIG. 23B is a perspective view of a second tray assembly as viewed from a lower side according to a first embodiment.
  • the second tray 360 may be seated on the second tray supporter 380.
  • a portion of the second tray 360 may pass through the second tray supporter 380.
  • the second tray cover 350 may be seated on the second tray 360. A portion of the second tray 360 may pass through the second tray cover 350.
  • the second tray supporter 380, the second tray 360, and the second tray cover 350 may be coupled at once by a coupling member S4.
  • the coupling member S4 may be coupled, for example, at a lower side of the second tray supporter 380.
  • the second tray assembly 202 may further include a fixing portion 390.
  • the fixing portion 390 may be positioned in a region located in a center portion.
  • the fixing portion 390 may be seated on the second tray 360. In a state in which the fixing portion 390 is seated on the second tray 360, a portion of the fixing portion 390 may pass through the second tray 360.
  • the fixing portion 390 passing through the second tray 360 may be in contact with the second tray supporter 380 or may pass through the second tray supporter 380.
  • the second tray supporter 380, the second tray 360, and the fixing portion 390 may be coupled at once by a coupling member S5.
  • the coupling member S5 may be coupled, for example, at a lower side of the second tray supporter 380.
  • the second tray 360 may define a second cell 361, which is another portion of the ice making cell.
  • the second tray 360 may include a second cell wall 362 forming the second cell 361.
  • the second cell 361 may be formed, for example, in a hemispherical shape or a shape similar to a hemisphere.
  • the second tray 360 may form, for example, a plurality of second cells 361.
  • a plurality of second cells 361 may be arranged in a plurality of rows.
  • the plurality of second cells 361 may include a first cell portion 361a arranged in a first row and a second cell portion 361b arranged in a second row.
  • the first row and the second row may be arranged in a Y-axis direction in the drawing.
  • the Y-axis direction may be, for example, a front-back direction of a refrigerator or a front-back direction of a door.
  • the first row may include a plurality of first cell portions 361a.
  • the second row may include a plurality of second cell portions 361b.
  • the first row may be positioned closer to the front wall 141 or an outer case 101 or a front surface of the door or a cold air guide 270 than the second row.
  • the second row may be positioned closer to the ice making chamber door 130 than the first row.
  • a second cell 361 in the second tray 360 may be arranged to correspond to a first cell 321 of the first tray 320, a description of specific arrangement of the second cell 361 will be omitted.
  • FIG. 24 is a cross-sectional view taken along line 24-24 of FIG. 5 .
  • FIG. 25 is a cross-sectional view showing an ice maker at a water supply position of a second tray assembly according to a first embodiment.
  • FIG. 26 is a cross-sectional view showing an ice maker at an ice making position of a second tray assembly according to a first embodiment.
  • FIG. 27 is a cross-sectional view showing an ice maker when a second tray assembly is to a full ice detection position in an ice separation process.
  • FIG. 28A is a cross-sectional view showing an ice maker in a state where a first column of a second pusher is in contact with a second tray
  • FIG. 28B is a cross-sectional view showing an ice maker in a state where a second column of a second pusher is in contact with a second tray.
  • FIG. 29A is a drawing showing a state where a first column of a second pusher presses a second tray in an ice separation position
  • FIG. 29B is a drawing showing a state where a second column of a second pusher presses a second tray in an ice separation position.
  • FIG. 30 is a control block diagram of a refrigerator according to a first embodiment.
  • the driver 480 may include a portion positioned closer to the front wall 141 than the cold air guide 270.
  • the driver 480 may include a portion positioned closer to the front wall 141 than the first opening 272 of the cold air guide 270.
  • the driver 480 may include a portion positioned closer to the front wall 141 than a first wall 221a of the bracket 220.
  • the driver 480 may include a portion positioned higher than the cold air passage 270a.
  • the driver 480 may include a portion positioned closer to the front wall 141 than the first opening 140a.
  • a first portion 221 of the bracket 220 may include a portion positioned closer to the front wall 141 than the first opening 272.
  • the first wall 221a may be positioned closer to the front wall 141 than the first opening 272.
  • a rotation center line 489 of the driver 480 may be arranged between the first portion 221 and an ice making cell 203a of the first row.
  • the water supply 240 may include a portion positioned higher than the cold air guide 270.
  • the cold air guide 270 may include a portion positioned between the rotation center line 489 of the driver 480 and the water supply 240.
  • the first tray 320 may include a portion positioned between a rotation center line 489 of the driver 480 and the cold air guide 270.
  • the cold air guide 270 may include a portion positioned between the first tray 320 and the water supply 240.
  • the cold air passage 270a may include a portion positioned lower than an extension wall 323c of the first tray 320.
  • the second pusher 530 may include a portion positioned closer to the front wall 141 than the cold air guide 270.
  • the second pusher 530 may include a portion positioned closer to the front wall 141 than a first wall 221a of the bracket 220.
  • the refrigerator may further include a controller 100.
  • the controller 100 may be installed or separated from a component for control.
  • the controller 100 may be disposed inside or outside the component for control.
  • the driver 480 may be controlled by the controller 100.
  • the controller 100 may control the driver 480 so that the second tray assembly 202 moves to a water supply position, an ice making position, a full ice detection position, and an ice separation position.
  • a position of the second tray assembly 202 in FIG. 25 is a water supply position.
  • a position of the second tray assembly 202 in FIG. 26 is an ice making position.
  • a position of the second tray assembly 202 in FIG. 27 is a full ice detection position.
  • a position of the second tray assembly 202 in FIG. 29 is an ice separation position.
  • the second tray assembly 202 may move in a first direction from the water supply position to the ice making position.
  • the first direction is clockwise direction in the drawing.
  • the second tray assembly 202 may move in a second direction, which is opposite to the first direction, from the ice making position to the water supply position.
  • the second direction is counterclockwise direction in the drawing.
  • a water supply process may be performed at a water supply position of the second tray assembly 202. Water may be supplied to the ice making cell 203 through the water supply 240.
  • the first cell 321 and the second cell 361 may be spaced apart from each other.
  • the first row may be positioned closer to a rotation center C1 of the second tray assembly 202 than the second row.
  • a distance between the second cell portion 321b of the first tray 320 and the second cell portion 361b of the second tray 360 in the second row may be greater than a distance between the first cell portion 321a of the first tray 320 and the first cell portion 361a of the second tray 360 in the first row.
  • the first pusher 510 may include a first column 513.
  • the first pusher 510 may further include a second column 514.
  • the first column 513 may separate ice from the ice making cell 203 of the first row.
  • the second column 514 may separate ice from the ice making cell 203 of the second row.
  • Each of the first column 513 and the second column 514 may include a first edge 513b, 514b to press ice, and a second edge 513c, 514c positioned opposite the first edge 513b, 514b.
  • the first edge 513b, 514b may be positioned closer to the ice making cell 203 than the second edge 513c, 514c.
  • the first edge 513b, 514b may be positioned outside the ice making cell 203.
  • the first edge 513b, 514b may be spaced apart from the first portion 301 of the first tray cover 300.
  • the first edge 513b, 514b may be positioned above the first portion 301 of the first tray cover 300.
  • the first portion 301 may be positioned between the first edge 513b, 514b and the ice making cell 203.
  • the first edge 513b, 514b may be positioned outside the cooling passage 310.
  • the second portion 302 of the first tray cover 300 may face the first pusher 510.
  • the second tray assembly 202 may move to an ice making position.
  • the first tray 320 and the second tray 360 may be in contact with each other.
  • a complete ice making cell 203 may be formed by the first cell 321 and the second cell 322.
  • a portion of the full ice detection lever 550 may be positioned below the second pusher 530.
  • the lever body 552 may be positioned below the second pusher 530.
  • a first opening 272 of the cold air guide 270 may be aligned with a first opening 140a of the ice making chamber wall 140.
  • Cold air introduced into the ice making chamber 122 through the first opening 140a may pass through the first opening 272 of the cold air guide 270.
  • a direction in which the cold air is introduced through the first opening 272 may be a first direction.
  • the first direction may be a left-right direction.
  • the cold air may pass through the second opening 278 after flowing through the cold air passage 270a.
  • a flow direction of at least a portion of the cold air passing through the second opening 278 may be a second direction crossing the first direction.
  • Cold air passing through the second opening 278 may flow through the cooling passage 310.
  • cold air may be supplied to the ice making chamber 122 even during the water supply process.
  • cold air can be supplied to the ice making chamber 122 only during an ice making process.
  • Cold air may be supplied to the ice making chamber 122 even during an ice separation process.
  • an ice making process it may be determined whether an ice making is complete based on at least one of a temperature detected by the temperature sensor 710 or a time for supply cold air.
  • the ice separation process may include a heating process in which the heater 330 operates.
  • heat of the heater 330 may be transferred to the ice making cell 203. Ice may be separated from the first tray 320 by heat of the heater 330.
  • a turning off of the heater 330 may be determined based on at least one of an operating time of the heater 330 or a temperature detected by the temperature sensor 710.
  • the ice separation process may further include a moving process in which the second tray assembly 202 moves.
  • the moving process may be performed after the heater 330 is turned off, or the moving process may be performed while the heater 330 is operating, and the heater 330 may be turned off during the moving process.
  • the second tray assembly 202 may move in the second direction (direction of arrow A) from the ice making position toward the ice separation position.
  • a power of the driver 480 may be transmitted to the full ice detection lever 550 to move.
  • the full ice detection lever 550 may be maintained in a stopped state before the second tray assembly 202 is rotated by a predetermined angle in the second direction from the ice making position.
  • the full ice detection lever 550 may be rotated when the second tray assembly 202 is rotated by the predetermined angle or more.
  • the full ice detection lever 550 may be rotated in a first direction (direction of arrow B) opposite to a rotational direction of the second tray assembly 202.
  • the full ice detection lever 550 may also be moved to a full ice detection position. At this time, the lever body 552 may be spaced apart from the second tray assembly 202.
  • the second tray assembly 202 may be additionally moved in the second direction toward the ice separation position.
  • the full ice detection lever 550 While the second tray assembly 202 is additionally moved in a state in which the full ice detection lever 550 is moved to the full ice detection position, the full ice detection lever 550 may also be moved in the second direction and returned to an initial position. Accordingly, an interference between the full ice detection lever 550 and the second tray assembly 202 may be prevented.
  • the second pusher 530 may include a first column 532.
  • the second pusher 530 may further include a second column 533.
  • the first column 532 may separate ice from the ice making cell 203 of the first row.
  • the second column 533 may separate ice from the ice making cell 203 of the second row.
  • the first column 532 of the second pusher 530 may first contact the second tray 360 as shown in FIG. 28A .
  • the first column 532 may be positioned closer to a vertical line V1 passing through a rotation center C1 than the second column 533.
  • a distance between a first row and the rotation center C1 in the second tray 360 is different from a distance between a second row and the rotation center C1 in the second tray 360. Therefore, positions of the first column 532 and the second column 533 need to be different with respect to a vertical line V1 passing through a rotation center C1.
  • a horizontal distance between the first column 532 and the vertical line V1 may be less than a horizontal distance between the second column 533 and the vertical line V1.
  • the first column 532 may include a first pressing surface 532b.
  • the first pressing surface 532b may press a portion corresponding to the first row in the second tray 360.
  • the second column 533 may include a second pressing surface 533b.
  • the second pressing surface 533b may press a portion corresponding to the second row in the second tray 360.
  • the first pressing surface 532b may be inclined with respect to the vertical line V1.
  • the second pressing surface 533b may be inclined with respect to the vertical line.
  • An inclination angle of the first pressing surface 532b may be different from an inclination angle of the second pressing surface 533b.
  • an inclination angle of the first pressing surface 532b with respect to a vertical line may be less than an inclination angle of the second pressing surface 533b.
  • the second column 533 In a state in which the first column 532 is in contact with the second tray 360, the second column 533 may be spaced apart from the second tray 360. In this state, when the second tray assembly 202 is further moved in the second direction, the second column 533 may be in contact with the second tray 360 as shown in FIG. 28B .
  • the first column 532 may press the first row in the second tray 360, so that a portion of the second cell wall 362 forming the first row can be deformed.
  • the first edges 513b, 514b of the first and second columns 513, 514 of the first pusher 510 may pass through the first cell 321 and be positioned outside of the first cell 321.
  • the first edges 513b, 514b may be positioned lower than the first tray 320 based on the drawing.
  • ice may be sufficiently pressed by the first edges 513b, 514b, so that ice separation performance may be improved.
  • Ice separated from the second tray assembly 202 may fall downward and be stored in the ice bin 600.
  • the second tray assembly 202 may be moved in the first direction toward the water supply position.
  • FIG. 31A is a perspective view of a bracket as viewed from one upper side according to a second embodiment.
  • FIG. 31B is a perspective view of a bracket as viewed from another upper side according to a second embodiment.
  • FIG. 32A is a perspective view of a bracket as viewed from one lower side according to a second embodiment.
  • FIG. 32B is a perspective view of a bracket as viewed from another lower side according to a second embodiment.
  • This embodiment is the same as the first embodiment in other parts, but differs in a shape of a bracket. Therefore, characteristic parts of this embodiment will be described, and same symbols will be used for the same configurations as a first embodiment, and a description of the first embodiment will be cited.
  • a bracket 1220 of the present embodiment may include a first portion 221.
  • a basic function of the first portion 221 is the same as that described in the first embodiment, so a detailed description thereof will be omitted.
  • the bracket 220 may further include a second portion 230 extending from the first portion 221.
  • a basic function of the second portion 230 is the same as that described in the first embodiment, so a detailed description thereof will be omitted.
  • the driver 480 may be coupled to the second portion 230.
  • the first portion 221 may further include a second supporter 1223a.
  • the second supporter 1223a may be in contact with the cold air guide 270 to restrict a movement of the cold air guide 270.
  • the second supporter 1223a may be in contact with, for example, a second guide 275 of the cold air guide 270.
  • the second supporter 1223a may protrude from a first surface of the first portion 221.
  • the first portion 221 may further include a second coupling portion 1223b through which a coupling member coupled to the cold air guide 270 passes.
  • the first portion 221 may further include a third supporter 1224a that supports the first tray assembly 201.
  • the first tray 1320 to be described later may be supported by the third supporter 1224a.
  • a portion of the first tray 1320 may be inserted into the third supporter 1223a.
  • the first portion 221 may further include a seating groove 1224b in which a coupling part of the first tray 1320, which will be described later, is seated.
  • the seating groove 1224b may be formed by being recessed from a first surface of the first portion 221 toward a second surface. When the coupling part of the first tray 1320 is seated on the seating groove 1224b, a movement of the first tray 1320 may be restricted.
  • the first portion 221 may further include a third coupling portion 1224c through which a coupling member connected to the first tray 1320 passes.
  • the third coupling portion 1224c may be formed in the seating groove 1224b.
  • a plurality of third coupling portions 1224c may be arranged to be spaced apart from each other in a horizontal direction or a vertical direction.
  • the first portion 221 may further include an extension 1224d.
  • the extension 1224d may protrude from the first portion 221.
  • the extension 1224d may form a cold air passage 270a together with an extension of the first tray 1320 (see 1324 of FIG. 33 ).
  • the extension 1224d may support the cold air guide 270. That is, the cold air guide 270 may be seated on the extension 1224d.
  • the first portion 221 may further include a reinforcing rib 1224e connected to the extension 1224d.
  • the reinforcing rib 1224e may be disposed at an opposite surface of a surface that supports the cold air guide 270 in the extension 1224d.
  • the reinforcing rib 1224e may be disposed at a lower side of the extension 1224d.
  • the first portion 221 may include a first wall 221a, a second wall 221b, and a second wall 221c, similar to the first embodiment.
  • the second portion 230 may include a first section 1231 extending in a direction crossing the first portion 231.
  • the first section 1231 may include a first hole 232a through which a rotational axis of the driver 480 or a component for connecting the driver 480 and the second tray assembly 202 passes.
  • the first section 1231 may further include a second hole 232b through which a first extension 553 of the full ice detection lever 550 passes.
  • the second hole 232b may be positioned lower than the first hole 232b.
  • the second hole 232b may be positioned closer to the third wall 221c than the first hole 232b.
  • the second potion 230 may further include second to fifth sections 1231a, 1231b, 1231c, 1231d extending in a direction crossing the first section 230a.
  • the second to fifth sections 1231a, 1231b, 1231c, 1231d may surround the driver 480.
  • the second portion 230 may further include a case 1233 that forms a space capable of receiving a component.
  • the component may be, for example, a switch for turning on/off the ice maker 200.
  • the case 1233 may be, for example, positioned at an upper side of the driver 480.
  • the case 1233 may extend upward from the fifth section 1231d.
  • the case 1233 may be opened, and at least a portion of an opened portion of the case 1233 may be covered by a case cover 1234.
  • a coupling portion 1233c may be formed at one surface of the case 1233 to which a coupling member for coupling with the driver 480 is coupled.
  • the case 1233 may further include a contact surface 1235 in contact with one surface of the first tray 1320.
  • a coupling hole 1236 may be formed on the contact surface 1235.
  • FIG. 33A is a perspective view of a first tray as viewed from an upper side according to a second embodiment.
  • FIG. 33B is a perspective view of a first tray as viewed from a lower side according to a second embodiment.
  • This embodiment is the same as the first embodiment in other parts, but differs in a shape of a first tray. Therefore, characteristic parts of this embodiment will be described, and same symbols will be used for the same configurations as a first embodiment, and a description of the first embodiment will be cited.
  • a first tray 1320 of the present embodiment may define a first cell 321, which is a portion of an ice making cell 203.
  • the first cell 321 may include a first cell portion 321a arranged in a first row and a second cell portion 321b arranged in a second row as described in the first embodiment.
  • the first tray 1320 may include a first cell wall 322 forming the first cell 321.
  • the first tray 1320 may further include a through hole 1323a, 1323b that provide passages for water or cold air.
  • the first tray 320 may further include an auxiliary storage chamber 323d.
  • An extension wall 323c may extend upward from a perimeter of the through hole 1323a and 1323b to form the auxiliary storage chamber 323d.
  • the first tray 1320 may further include an extension 1324.
  • the extension 1324 may include a portion extending from the first cell wall 322.
  • the extension 1324 may include a first extension wall 1324a1.
  • the first extension wall 1324a1 may form the cold air passage 270a.
  • the extension 1324 may further include a second extension wall 1324e.
  • the second extension wall 1324e may extend from the first extension wall 1324a1.
  • the second extension wall 1324e may be provided with a coupling hole 1324f.
  • a coupling member passing through the coupling hole 1324f may be coupled to the bracket 1220, for example.
  • the second extension wall 1324e may be in contact with a contact surface 1235 of the bracket 1220.
  • a coupling member passing through the coupling hole 1324f may be coupled to a coupling hole 1236 of the contact surface 1235.
  • the extension 1324 may include an opening 1324a2.
  • the opening 1324a2 may be formed by cutting off a portion of the extension 1324.
  • An extension 1224d of the bracket 1220 may cover the opening 1324a2. In this case, a portion or all of the opening 1323a2 may be covered by the extension 1224d.
  • the first tray 1320 may further include one or more coupling parts for coupled to the bracket 220.
  • the first tray 1320 may include a first coupling part 1324b1.
  • the first tray 1320 may further include a second coupling part 1324b2.
  • the first and second coupling parts 1324a, 1324b may extend in a direction crossing from the first extension wall 1324a1.
  • the first and second coupling parts 1324b1, 1324b2 may extend from one end of the first extension wall 1324a1 in a direction away from the second tray 360.
  • the first and second coupling parts 1324b1, 1324b2 may include coupling holes 1324c, 1324d.
  • the second coupling part 1324b2 may be in contact with or formed integrally with the second extension wall 1324e.
  • the first and second coupling parts 1324b1, 1324b2 may be seated on the seating groove 1224b of the bracket 1220.
  • the coupling holes 1324c, 1324d may be aligned with the third coupling portion 1224c.
  • the first tray 1320 may further include a bracket coupling portion 1324g for coupling to the bracket 1220.
  • the bracket coupling portion 1324g may protrude from the extension 1324.
  • the bracket coupling portion 1324g may extend from the first extension wall 1324a in a direction away from the coupling parts 1324b1, 1324b2.
  • the bracket coupling portion 1324g may be inserted into the third supporter 1224a.
  • FIG. 34A is a perspective view of a first tray cover as viewed from an upper side according to a second embodiment.
  • FIG. 34B is a perspective view of a first tray cover as viewed from a lower side according to a second embodiment.
  • a first tray cover 1300 of the present embodiment may include a first portion 301.
  • the first tray cover 1300 may further include a second portion 302 extending from one side of the first portion 301.
  • the first tray cover 1300 may include a communication hole 301b aligned with an auxiliary storage chamber 323d (or through hole 1323a, 1323b) of the first tray 1320.
  • a plurality of communication holes 301b may be formed in the first portion 301.
  • the plurality of communication holes 301b may be arranged in a first row and a second row.
  • the second portion 302 may further include a first hole 1302c.
  • a coupling member for being coupled to the water supply 240 may pass through the first hole 1302a.
  • the first hole 1302a may also provide a passage for cooling air to flow.
  • a coupling member passing through the first hole 1302c may be coupled to a first coupling portion 1222b of the bracket 1220.
  • the first tray cover 1300 may further include a guide 303.
  • the guide 303 may include a guide slot 303a.
  • the first portion 301 may further include an inclined surface 303a1 to reduce interference with the first pusher 510 during a movement of the first pusher 510.
  • FIG. 35A is a perspective view showing a state in which a water supply is installed on a bracket according to a second embodiment
  • FIG. 35B is a front view showing a state in which a water supply is installed on a bracket according to a second embodiment
  • FIG. 36 is a side view showing a state in which a water supply is installed on a bracket according to a second embodiment.
  • the water supply 240 may include a coupling hook 243 for coupling to the first supporter 1222a of the bracket 1220.
  • the coupling hook 243 may be coupled to the first supporter 1222a while being seated on the first portion 221 of the bracket 1220.
  • the water supply 240 may further include a coupling flange 244.
  • the coupling flange 244 may extend from one side of the water supply 240.
  • a coupling member may be coupled to the coupling flange 244 and the first coupling portion 1222b of the water supply 240.
  • the second pusher 530 may be coupled to the first portion 221 by a coupling member.
  • FIG. 37A is a drawing showing a state in which the first tray is coupled to a bracket according to a second embodiment
  • FIG. 37B is a cross-sectional view taken along line 37B-37B of FIG. 37A .
  • the bracket coupling portion 1324g of the first tray 1320 may be inserted into the third supporter 1224a.
  • the coupling part 1324b1, 1324b2 of the first tray 1320 may be seated on the seating groove 1224b.
  • the coupling hole 1324c, 1324d of the first tray 1320 may be aligned with the third coupling portion 1224c of the bracket 1220.
  • the coupling member may be coupled to the coupling hole 1324c, 1324d and the third coupling portion 1224c.
  • a second extension wall 1324e of the first tray 1320 may be in contact with the contact surface 1235.
  • the coupling hole 1324f of the second extension wall 1324e may be aligned with the coupling hole 1236 of the contact surface 1235.
  • a coupling member may be coupled to the coupling hole 1324f, 1236.
  • the extension 1224d of the bracket 1220 may be positioned in the opening 1324a2 of the first tray 1329.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
EP24741621.7A 2023-01-12 2024-01-03 Kühlschrank Pending EP4647698A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020230004914A KR20240113021A (ko) 2023-01-12 2023-01-12 냉장고
KR1020230130997A KR20250046927A (ko) 2023-09-27 2023-09-27 냉장고
PCT/KR2024/000142 WO2024150999A1 (ko) 2023-01-12 2024-01-03 냉장고

Publications (2)

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EP4647698A1 true EP4647698A1 (de) 2025-11-12
EP4647698A4 EP4647698A4 (de) 2026-04-08

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EP (1) EP4647698A4 (de)
CN (1) CN120513374A (de)
WO (1) WO2024150999A1 (de)

Citations (2)

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KR20160136659A (ko) 2015-05-20 2016-11-30 엘지전자 주식회사 냉장고
CN114174740A (zh) 2019-08-06 2022-03-11 青岛海尔电冰箱有限公司 制冷电器的制冰组件

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KR20130059988A (ko) * 2011-11-29 2013-06-07 삼성전자주식회사 냉장고
KR101728735B1 (ko) * 2016-04-20 2017-04-20 엘지전자 주식회사 제빙장치를 구비하는 냉장고
EP4336130A1 (de) * 2018-11-16 2024-03-13 LG Electronics Inc. Haushaltsgerät mit einem eisbereiter
JP2020143832A (ja) * 2019-03-06 2020-09-10 日本電産サンキョー株式会社 製氷装置
KR102850863B1 (ko) * 2019-09-11 2025-08-27 엘지전자 주식회사 냉장고
CN215446983U (zh) * 2021-03-29 2022-01-07 广东奥马冰箱有限公司 一种改进注水的制冰机及冰箱

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KR20160136659A (ko) 2015-05-20 2016-11-30 엘지전자 주식회사 냉장고
CN114174740A (zh) 2019-08-06 2022-03-11 青岛海尔电冰箱有限公司 制冷电器的制冰组件

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See also references of WO2024150999A1

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WO2024150999A1 (ko) 2024-07-18
EP4647698A4 (de) 2026-04-08

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