EP4647697A2 - Kühlschrank - Google Patents

Kühlschrank

Info

Publication number
EP4647697A2
EP4647697A2 EP24741620.9A EP24741620A EP4647697A2 EP 4647697 A2 EP4647697 A2 EP 4647697A2 EP 24741620 A EP24741620 A EP 24741620A EP 4647697 A2 EP4647697 A2 EP 4647697A2
Authority
EP
European Patent Office
Prior art keywords
tray
ice
supporter
ice making
refrigerator
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
EP24741620.9A
Other languages
English (en)
French (fr)
Other versions
EP4647697A4 (de
Inventor
Donghoon Lee
Bongjin Kim
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 KR1020230131000A external-priority patent/KR20250046929A/ko
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP4647697A2 publication Critical patent/EP4647697A2/de
Publication of EP4647697A4 publication Critical patent/EP4647697A4/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
    • F25C—PRODUCING, WORKING OR HANDLING ICE
    • F25C5/00—Working or handling ice
    • F25C5/02—Apparatus for disintegrating, removing or harvesting ice
    • F25C5/04—Apparatus for disintegrating, removing or harvesting ice without the use of saws
    • F25C5/06—Apparatus for disintegrating, removing or harvesting ice without the use of saws by deforming bodies with which the ice is in contact, e.g. using inflatable members
    • 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
    • F25C1/24—Construction of moulds; Filling devices for moulds for refrigerators, e.g. freezing trays
    • 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
    • F25C2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25C2700/02—Level of ice

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 increasing a number of generated ices during one ice making process.
  • one embodiment provides a refrigerator in which ice can be smoothly separated from each of a plurality of ice making cells.
  • one embodiment provides a refrigerator in which a shape of a tray can be maintained in its original shape after an ice separation process is completed.
  • 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.
  • a refrigerator may include an ice making chamber to provide a space in which ice is generated.
  • the refrigerator may further include a cooler.
  • the cooler may supply cold or operable to supply cold to the ice making chamber.
  • the ice making chamber may be provided in a cabinet and/or a door.
  • the refrigerator may further include an ice maker.
  • the ice maker may be disposed in the ice making chamber.
  • An ice maker of one aspect may include a first tray assembly.
  • the first tray assembly may define a portion of an ice making cell, which is a space in which water is phase-changed into ice by cold.
  • the ice maker may further include a second tray assembly.
  • the second tray assembly may define another portion of the ice making cell.
  • the first tray assembly may include a first tray.
  • the second tray assembly may include a second tray.
  • the second tray may include a first surface facing the ice making cell or including a surface forming the ice making cell.
  • the second tray may further include a second surface having a surface forming a thickness together with the first surface.
  • the second surface of the second tray may include a first portion having a portion corresponding to a shape of the ice making cell.
  • the second surface may further include a second portion extending from the first portion.
  • the second portion may include a first part, a second part spaced apart from the second part, and a plate connecting the first part and the second part.
  • a second tray case may include a first region having a surface facing the first portion of the second tray or in contact with the first portion.
  • the second tray case may further include a second region having a surface facing the second portion of the second tray or in contact with the second portion of the second tray.
  • the second region of the second tray case may further include a first section, a second section spaced apart from the first section, and a plate connecting the first section and the second section.
  • the second portion of the second tray or the second region of the second tray case may include a surface extending in a direction transverse to a surface where the first and second tray assemblies contact each other.
  • the surface may form a groove or a protrusion or a boss.
  • the second tray case may include a first surface having a surface facing the second tray or in contact with the second tray.
  • the second tray case may further include a second surface having a surface forming a thickness together with the first surface.
  • the second surface of the second tray case may include a first portion and a second portion extending from the first portion.
  • the second portion of the second tray case may include a first part, a second part paced apart from the first part, and a plate connecting the first and second parts.
  • the second tray case may be provided with a reinforcing portion having a surface facing the second portion or in contact with the second portion.
  • the reinforcing portion may include an A part, a B part spaced apart from the A part, and a plate connecting the A part and the B part.
  • the reinforcing portion may be formed of a material different from a material of the second surface of the second tray case.
  • the ice making cell may be arranged in the first row and the second row.
  • the reinforcing portion or the second portion of the second tray case may be arranged between the first row and the second row.
  • the reinforcing portion or the second portion of the second tray case may include a surface extending in a direction transverse to a surface where the first and second tray assemblies contact.
  • the second tray may include a support surface.
  • the support surface may be provided by a second portion of the second tray.
  • the second tray case may include a support region facing the support surface or in contact with the support surface.
  • the support region of the second tray case may include a third part, a fourth part spaced apart from the third part, and a plate connecting the third and fourth parts.
  • the support surface of the second tray may include a first surface, a second surface spaced apart from the second surface, and a connection surface connecting the first surface and the second surface.
  • the support surface of the second tray or the support region of the second tray case may be arranged between the first row and the second row.
  • the second tray case may include a supporter.
  • the second tray case may be provided with a reinforcing portion including a surface facing the supporter or in contact with the supporter.
  • the reinforcing portion may be provided with a material different from a material the supporter of the second tray case.
  • the reinforcing portion may include an A part, a B part spaced apart from the A part, and a plate connecting the A part and the B part.
  • the supporter of the second tray case may include a first part, a second part spaced apart from the first part, and a plate connecting the first and second parts.
  • the reinforcing portion of the second tray case or the supporter of the second tray case may be arranged between the first row and the second row.
  • the second tray may include a support surface
  • the second tray case may include a support region facing the support surface of the second tray or in contact with the support surface of the second tray.
  • the second tray case may include a supporter, a reinforcing portion including a surface facing the supporter of the second tray case or in contact with the supporter of the second tray case, and a plate connecting the support region of the second tray case and the reinforcing portion of the second tray case.
  • a refrigerator may include a cabinet having 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 provided in the door.
  • the refrigerator may further include an ice maker provided in the ice making chamber and generating ice.
  • the refrigerator may further include an ice bin for storing ice generated by the ice maker.
  • the refrigerator may further include a dispenser provided in the door and for discharging ice stored in the ice bin.
  • the ice maker may include a first tray.
  • the ice maker may include a second tray and a second tray case as described above.
  • an ice maker may include a first tray forming a portion of an ice making cell, which is a space where water is phase-changed into ice by cold; a second tray forming another portion of the ice making cell; a second tray supporter in contact with the second tray and through which a portion of the second tray passes; and a base portion connected to the second tray supporter and the second tray passing through the second tray supporter.
  • the second tray may include a cell wall forming the ice making cell and a bar extending from the cell wall.
  • the second tray supporter may include a supporter opening through which the cell wall passes, and an extension opening extending from the supporter opening and through which the bar passes.
  • the base portion may include a first extension coupled to the bar.
  • the base portion may further include a second extension coupled to the second tray supporter.
  • the ice making cell may be arranged in a first row and a second row.
  • the first extension may be arranged between the first row and the second row.
  • the first extension may be arranged between two adjacent ice making cells in the second row.
  • the first extension and the second extension may be spaced apart from each other in a direction parallel to an arrangement direction of the first row and the second row.
  • the base portion may further include a third extension coupled to the second tray supporter.
  • the third extension may be arranged between two adjacent ice making cells in the first row.
  • the third extension may be positioned closer to the first row than the second row.
  • the second extension may be positioned closer to the second row than the first row.
  • the base portion may include a plate connecting the first extension and the second extension.
  • the base portion may further include a plate connecting the first extension and the third extension.
  • the third extension may be formed on the plate connecting the first extension and the second extension.
  • ice can be smoothly separated from each of a plurality of ice making cells.
  • a shape of the tray deformed during an ice separation process can be restored to its original shape after the ice separation process is completed, thereby maintaining its original shape.
  • generated spherical 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. 1A is a front view of a refrigerator according to the present 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 the present
  • FIG. 2B is a perspective view of a rear of a first refrigerating chamber door according to the present.
  • 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 may be configured to cool the ice making chamber 122, including at least one of a refrigerant cycle or a thermoelectric element.
  • 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 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.
  • 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 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 according to a first embodiment
  • FIG. 5B is a drawing showing an ice making chamber wall of a door liner according to a first embodiment.
  • FIG. 6 is a drawing showing a state in which an ice maker is installed in a supporting portion according to a first embodiment.
  • FIG. 7 is a drawing showing an arrangement relationship between an ice maker and a cold air duct according to 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.
  • 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 adjacent to or in contact with the second side wall 144.
  • 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 disposed 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 320 or that is supported by the first tray 320.
  • 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 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 case 340 (or a heater cover).
  • the heater case 340 may include a portion in contact with the heater 330 or supported by the heater 330.
  • the heater case 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 case 340 may press the heater 330 toward the first tray 320.
  • the heater case 340 may be positioned between the first tray 320 and the first tray cover 300.
  • the heater case 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 include a portion in contact with or to support 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 first tray as viewed from an upper side according to a first embodiment.
  • FIG. 12B 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 cell portion 321a may form a portion of a first ice making cell of the first row
  • the second cell portion 321b may form a portion of a second ice making cell of the 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 is 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. Alternatively, one first cell portion 321a may be arranged to face an area between two adjacent second cell portions 321b. The first cell portion 321a and the second cell portion 321b may be arranged in a zigzag arrangement.
  • the first tray 320 may further include through holes 323a, 323b that provide a path for water or cold air.
  • the through holes 323a, 323b may be provided in the same number as a number of the plurality of first cells 321.
  • 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 first tray 320 may further include an extension wall 323c.
  • the extension wall 323c may extend upward from a periphery of the through holes 323a, 323b to form the auxiliary storage chamber 323d.
  • the extension wall 323c may extend from the first cell wall 322.
  • the auxiliary storage chamber 323d may be a space where ice is generated.
  • the auxiliary storage chamber 323d may be a portion of an ice making cell 203.
  • 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 include a portion extending from the first cell wall 322.
  • the extension 324 may be in contact with a portion of the cold air guide 270 or may support the cold air guide 270.
  • the extension 324 may include a portion spaced apart from the cold air guide 270. Cold air may flow through a space between the extension 324 and the cold air guide 270.
  • the extension 324 may include a first extension wall 324e.
  • the extension 324 may further include a second extension wall 324d.
  • the second extension wall 324d may extend in a direction crossing the first extension wall 324e.
  • the first and second extension walls 324d, 324e may be in contact with the guide wall or be spaced apart from the guide wall at the corner portion.
  • 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 bracket 220 is omitted, the first and second coupling parts 324a, 324b may be in contact with or be supported by the ice making chamber wall 140.
  • the extension 324 may further include the first and second coupling parts 324a, 324b.
  • the first and second coupling parts 324a, 324b may extend from one end of the first extension wall 324e in a direction away from the second tray 360.
  • the first and second coupling parts 324a, 324b may be arranged spaced apart from each other in an X-axis direction (a direction crossing a Y-axis, for example, a horizontal direction).
  • the first and second coupling parts 324a, 324b may include a coupling hole 324c.
  • 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 that supports a component for a movement of the second tray assembly 202.
  • a plurality of supporters 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 intermediate member 416 may be formed of a different material than the first tray 320.
  • An entirety of the first tray 320 may be formed of the same material, or at least a portion of the first tray 320 may be formed of a metal material.
  • 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 bracket coupling portion 325c may be positioned between a plurality of supports 325.
  • the first tray 320 may further include a cover coupling portion 327 to be coupled to the first tray cover 300.
  • a cover coupling portion 327 may be arranged to be spaced apart from each other in a left-right direction or a front-back direction.
  • the cover coupling portion 327 may protrude from the extension 324.
  • 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 case 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 case 340.
  • the plurality of coupling bosses 328a, 328b, 328c may further include a second coupling boss 328b.
  • 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 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.
  • the recess 329c may be omitted.
  • FIG. 13A is a perspective view of a first tray cover as viewed from an upper side according to a first embodiment.
  • FIG. 13B 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. At least a portion of the first portion 301 may be spaced apart from the first tray 320. For example, at least a portion of the first portion 301 may be positioned at an upper side of the first tray 320. Cold air may flow between the first portion 301 and 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 extend in a direction crossing the first portion 301 from the first portion 301.
  • 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 case 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 may be arranged to be spaced apart from the first portion 301.
  • the tray seating portion 305 may extend downward from both ends of 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 case contact portion 307.
  • the case contact portion 307 may protrude from the first portion 301.
  • the case contact portion 307 may be in contact with the heater case 340.
  • the case contact portion 307 may press the heater case 340.
  • a plurality of case contact portions 307 may be arranged to be spaced apart in a front-back direction and a left-right direction.
  • the first tray cover 300 may further include a pressing protrusion 308.
  • the pressing protrusion 380 may press the insulator 720.
  • a plurality of pressing protrusions 308 may protrude from the first portion 301.
  • 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. 14A is a perspective view of a second tray assembly as viewed from an upper side according to a first embodiment.
  • FIG. 14B 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 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 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 cell portion 361a may form another portion of a first ice making cell of the first row
  • the second cell portion 361b may form another portion of a second ice making cell of the 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. Since 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.
  • the second tray 360 may be seated on the second tray supporter 380. When the second tray 360 is 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 side of the second tray supporter 380.
  • the second tray assembly 202 may further include a fixing portion 390 (or connection portion).
  • the fixing portion 390 may be positioned in a region located in a center portion.
  • a pressing force of the second pusher 530 may be applied to the second tray 360 having a plurality of second cells.
  • the fixing portion 390 may reduce a phenomenon in which the second tray 360 having the second cells arranged in a plurality of rows is not restored to its original shape after a completion of ice separation process.
  • 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.
  • one end (for example, an upper end) of the second tray 360 may be positioned farther from the second tray supporter 380 than one end (for example, an upper end) of the second tray cover 350.
  • an upper end of the second tray 360 may be positioned higher than an upper end of the second tray cover 350.
  • FIG. 15A is a perspective view of a second tray cover as viewed from an upper side according to a first embodiment.
  • FIG. 15B is a perspective view of a second tray cover as viewed from a lower side according to a first embodiment.
  • the second tray cover 350 may include a cover body 351.
  • the cover body 351 may be formed in a closed loop shape. That is, the cover body 351 may form an opening 352 through which the second tray 360 passes.
  • the cover body 351 may include a rounded surface 351a.
  • the rounded surface 351a may be formed to correspond to a curved wall 365a of the second tray 360, which will be described later.
  • the rounded surface 351a may be in contact with the curved wall 365a of the second tray 360.
  • the cover body 351 may further include a plurality of coupling protrusions 353, 353a.
  • the plurality of coupling protrusions 353, 353a may pass through the second tray 360 and be coupled to the second tray supporter 380.
  • the plurality of coupling protrusions 353, 353a may include a first coupling protrusion 353.
  • the first coupling protrusion 353 may protrude from the cover body 351.
  • the plurality of coupling protrusions 353, 353a may further include a second coupling protrusion 353a.
  • the cover body 351 may be provided with an extension 351b extending to the opening 352.
  • the second coupling protrusion 353a may extend from the extension 351b.
  • the cover body 351 may include a first groove 355. In a state in which the first protrusion 368a described later is received in the first groove 355, the first protrusion 368a may be exposed to an outside. Conversely, it is also possible for the first protrusion to be formed in the cover body 351 and the first groove (or first hole) to be formed in the second tray 360.
  • the second tray cover 350 may further include a recess 356.
  • the recess 356 may be provided in the cover body 351.
  • the recess 356 may be provided in a position corresponding to the first coupling protrusion 353 in the cover body 351.
  • the recess 356 may be recessed toward the first coupling protrusion 353 in the cover body 351.
  • FIG. 16A is a perspective view of a second tray as viewed from one side according to a first embodiment
  • FIG. 16B is a perspective view of a second tray as viewed from another side according to a first embodiment
  • FIG. 17 is a perspective view of a second tray as viewed from a lower side according to a first embodiment.
  • 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.
  • a first cell portion 361a may be positioned to correspond to an area between two adjacent second cell portions 361b or to face an area between two adjacent second cell portions 361b. That is, the first cell portion 361a and the second cell portion 361b may be arranged in a zigzag arrangement.
  • the second tray 360 may further include a pusher contact portion 362a in contact with the second pusher 530 during an ice separation process.
  • the pusher contact portion 362a may be formed on the second cell wall 362.
  • a thickness of the second cell wall 362 in a circumferential direction may be different from a thickness of the pusher contact portion 362a.
  • a thickness of the pusher contact portion 362a may be greater than a thickness of the second cell wall 362.
  • the pusher contact portion 362a may include a flat surface.
  • the second tray 360 may further include a peripheral wall 365.
  • the peripheral wall 365 may extend from the second cell wall 362 toward the first tray 320.
  • the peripheral wall 365 may surround the first cell wall 322.
  • the peripheral wall 365 may include a curved wall 365a.
  • the curved wall 365a may be positioned adjacent to the first cell portion 361a.
  • the peripheral wall 365 may further include a straight wall 365b.
  • the straight wall 365b may, for example, be parallel to a Z-axis.
  • the straight wall 365b may be positioned adjacent to the second cell portion 361b.
  • the peripheral wall 365 may further include a connection wall 365c connecting the straight wall 365b and the curved wall 365a.
  • the connection wall 365c may be rounded in a Z-axis direction.
  • a curvature of the curved wall 365a may be different from a curvature of the connection wall 365c.
  • a curvature of the curved wall 365a may be greater than a curvature of the connection wall 365c.
  • the cover body 351 may surround an outer surface of the peripheral wall 365.
  • the second tray 360 may further include an extension 367.
  • the extension 367 may extend from the second cell wall 362 or the peripheral wall 365. Alternatively, the extension 367 may extend from a boundary portion between the second cell wall 362 and the peripheral wall 365. The extension 367 may extend in a direction crossing the peripheral wall 365.
  • the second tray cover 350 may be seated on one surface of the extension 367. Another surface of the extension 367 may be seated on the second tray supporter 380.
  • the first protrusion 368a may be formed on one surface of the extension 367.
  • the second protrusion 368 may be formed on another surface of the extension 367.
  • the first protrusion 368a may be bent one or more times in a horizontal direction.
  • the first protrusion 368a may include a first part and a second part inclined from the first part.
  • the first protrusion 368a may be formed in a shape such as a "V", for example.
  • the second protrusion 368 may be bent one or more times in a horizontal direction.
  • the second protrusion 368 may include a first part and a second part inclined from the first part.
  • the second protrusion 368 may be formed in a shape such as a "V", for example.
  • a third protrusion 369 may be provided on another surface of the extension 367 to be coupled to the second tray supporter 380.
  • the third protrusion 369 may overlap the curved wall 365a in a Z-axis direction, for example.
  • the second protrusion 368 may be positioned closer to the straight wall 365b than the curved wall 365a.
  • the first protrusion 368a may be positioned closer to the second cell portion 361b.
  • the second protrusion 368 may be positioned closer to the second cell portion 361b.
  • the third protrusion 369 may be positioned closer to the first cell portion 361a.
  • the extension 367 may be provided with a plurality of holes 367a through which the coupling protrusions 353, 353a pass.
  • a portion of the extension 367 where the coupling protrusions 353, 353a are formed (referred to as a "fixed end") is fixed to the second tray cover 350 and the second tray supporter 380.
  • a wall of a portion disposed far from the fixed end may not be deformed independently, but may simply move together with ice while maintaining its original shape or with a small amount of deformation. In this case, ice may not be separated from the second cell 361.
  • a separation performance may be degraded in a central region.
  • the fixing portion 390 may fix a central region of the second tray 320. Since the fixing portion 390 functions as the fixing end, some of the second cells are positioned adjacent to the fixing portion 390. Walls of the second cells positioned adjacent to the fixing portion 390 can be independently deformed during an ice separation process, so that an ice separation performance can be improved.
  • the second tray 360 may further include a fixing groove 364 in which the fixing portion 390 is received.
  • a portion of the fixing groove 364 may be disposed between two adjacent first cell portions 361a.
  • Another portion of the fixing groove 364 may be disposed between two adjacent second cell portions 361b.
  • the second tray 360 may further include a protruding wall 364a extending from a portion corresponding to the fixing groove 364.
  • the fixing portion 390 may pass through the fixing groove 364 and be positioned within the protruding wall 364a.
  • the fixed portion 390 can enable the second cell wall 362 and the second tray supporter 380 to be coupled within a space formed by the peripheral wall 365.
  • FIG. 18A is a perspective view of a second tray supporter as viewed from an upper side according to a first embodiment.
  • FIG. 18B is a perspective view of a second tray supporter as viewed from a lower side according to a first embodiment.
  • the second tray supporter 380 may include a supporter body 381 that supports the second tray 360.
  • the supporter body 381 may include a receiving portion 381a in which a portion of the second tray 360 is received.
  • the receiving portion 381a may receive each of a plurality of second cells 361 of the second tray 360.
  • a second cell wall 362 may be received in the receiving portion 381a.
  • the second tray supporter 380 may further include a supporter opening 382 through which the second tray 360 passes.
  • the supporter openings 382 may also be arranged in a first row and a second row.
  • the supporter body 381 may include a first support surface 383a and a second support surface 383b stepped from the first support surface 383a.
  • the first support surface 383a may support the second cell wall 362 or the peripheral wall 365.
  • the second support surface 383b may support the extension 367.
  • the second tray supporter 380 may include a plurality of through holes 384, 384a through which the coupling protrusions 353, 353a pass.
  • a plurality of through holes 384, 384a may include a first through hole 384 through which the first coupling protrusion 353 passes.
  • the plurality of through holes 384, 384a may include a first through hole 384a through which the second coupling protrusion 353a passes.
  • the second tray supporter 380 may include a first protrusion groove 385 in which the second protrusion 368 is received.
  • the second protrusion 368 may be exposed to an outside in a state in which the second protrusion 368 is received in the first protrusion groove 385.
  • the second tray supporter 380 may further include a second protrusion groove 385a in which the third protrusion 369 is received. In a state in which the third protrusion 369 is received in the second protrusion groove 385a, the third protrusion 369 may be exposed to an outside.
  • the second tray supporter 380 may further include a coupling portion 386, 386a extending from the supporter body 381.
  • a coupling portion 386, 386a may be arranged to be spaced apart in a horizontal direction (X-axis direction).
  • the plurality of coupling portions 386, 386a may include a first coupling portion 386a to which the first transfer portion 420 is coupled.
  • the plurality of coupling portions 386, 386a may further include a second coupling portion 386 to which the second transfer portion 421 is coupled.
  • Each of the plurality of coupling portions 386, 386a may include a coupling hole 386b.
  • a rotation center of the second tray assembly 202 may be disposed in the coupling hole 386b.
  • the second tray supporter 380 may further include a link coupling portion 387 to which the pusher link 440 is coupled.
  • the link coupling portion 387 may be formed in a cylindrical shape, for example.
  • the link coupling portion 387 may protrude from the supporter body 381 in a horizontal direction.
  • the link coupling portion 387 may be positioned closer to a lower end of the supporter body 381 than the rotation center.
  • the second tray supporter 380 may further include an elastic member coupling portion 388 to which the elastic member 460 is coupled.
  • a distance between the elastic member coupling portion 388 and the link coupling portion 387 in a Z-axis direction may be less than a distance between the link coupling portion 387 and the rotation center.
  • the second tray supporter 380 may further include a hole 389 through which the fixing portion 390 passes.
  • the protruding wall 364a may be received in the hole 389.
  • FIG. 19 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. 20 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. 21 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. 22A 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. 22B 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. 23A is a drawing showing a state where a first column of a second pusher presses a second tray in an ice separation position
  • FIG. 23B is a drawing showing a state where a second column of a second pusher presses a second tray in an ice separation position.
  • FIG. 24 is a control block diagram of a refrigerator according to a first embodiment.
  • 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. 19 is a water supply position.
  • a position of the second tray assembly 202 in FIG. 20 is an ice making position.
  • a position of the second tray assembly 202 in FIG. 21 is a full ice detection position.
  • a position of the second tray assembly 202 in FIG. 23 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.
  • the second tray assembly 202 may move in the second direction from the water supply position to the full ice detection position.
  • the second tray assembly 202 may move in the second direction from the full ice detection position to the ice separation position.
  • the second tray assembly 202 may move in the first direction from the ice separation position to the water supply position.
  • 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.
  • a first column 513 of the first pusher 510 may separate ice from an ice making cell 203 of the first row.
  • the first column 513 may push ice of the ice making cell 203 of the first row.
  • the first pusher 510 may include a second column 513.
  • the second column 514 may separate ice from an ice making cell 203 of the second row.
  • the second column 514 may push ice of 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 second portion 302 of the first tray cover 300 may overlap the pusher body 511 in a horizontal direction.
  • 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. In this state, a complete ice making cell 203 may be formed by the first cell 321 and the second cell 322. A portion of the water received in the second tray 360 may be distributed to the first cell 321 of the first tray 320.
  • 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.
  • At least a portion of the first extension 553 connected to the driver 480 may be extended in a direction close to the second pusher 530.
  • an ice making process may be performed.
  • Cold air may flow through the cold air guide 270.
  • Cold air flowing through the cold air guide may flow between the first tray cover 300 and the first tray 320.
  • 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 columns 513 and 514 of the first pusher 510 may be inserted into the first cell 321 by passing through the through holes 323a and 323b of the first tray 320. In a process of inserting the columns 513 and 514 of the first pusher 510 into the first cell 321, the columns 513 and 514 of the first pusher 510 may press ice.
  • 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. 22A .
  • 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 a 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 a second row in the second tray 360.
  • the first pressing surface 532b may be inclined with respect to a vertical line V1.
  • the second pressing surface 533b may be inclined with respect to the vertical line V1.
  • 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. 22B .
  • 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. 25A is a perspective view of a second tray assembly as viewed from an upper side according to a second embodiment
  • FIG. 25B is a bottom view of a second tray assembly according to a second embodiment
  • FIG. 26 is an exploded perspective view of a second tray assembly according to a second embodiment.
  • the present embodiment is identical to a first embodiment in other parts, except that there is a difference in a second tray assembly. Therefore, characteristic parts of the present embodiment will be described below.
  • the same reference numerals are used for the same components as in the first embodiment.
  • a second tray assembly 202A of the present embodiment may include a second tray 1360 defining a second cell 361, which is another portion of the ice making cell.
  • the second tray assembly 202A may further include a second tray case positioned at one side of the second tray 1360.
  • the second tray case may include a portion in contact with the second tray 1360 or to support the second tray 1360.
  • the second tray case may include a second tray cover 1350. A portion of the second tray cover 1350 may be positioned closer to the first tray 320 than a portion of the second tray 1360.
  • the second tray case may further include a second tray supporter 1380. A portion of the second tray supporter 1380 may be positioned farther from the first tray 320 than a portion of the second tray 1360.
  • the second tray case may further include a base portion 1390.
  • the base portion 1390 may be in contact with the second tray 1360.
  • the base portion 1390 may be in contact with the second tray supporter 1380.
  • a portion of the base portion 1390 may be positioned farther from the first tray 320 than a portion of the second tray cover 1350.
  • a portion of the second tray supporter 1380 may be positioned between a portion of the second tray 1360 and the base portion 1390.
  • a portion of the second tray 1360 may be positioned between the second tray cover 1350 and the base portion 1390.
  • FIG. 27A is a perspective view of a second tray cover as viewed from an upper side according to a second embodiment
  • FIG. 27B is a perspective view of a second tray cover as viewed from a lower side according to a second embodiment.
  • a second tray cover 1350 of the present embodiment may include a cover body 1351.
  • the cover body 1351 may be formed in a closed loop shape. That is, the cover body 1351 may form an opening 1352 through which the second tray 1360 passes.
  • the cover body 1351 may include a recess 1351a for seating a portion of the second tray 1360 (a curved wall to be described later).
  • a plurality of recesses 1351a may be spaced apart from each other.
  • the recess 1351a may include a rounded surface in contact with a curved wall 1365a of the second tray 1360, which will be described later.
  • the cover body 1351 may further include a coupling protrusion 1353.
  • the coupling protrusion 1353 may pass through the second tray 1360 and be coupled to the second tray supporter 1380.
  • the coupling protrusion 1353 may protrude from the cover body 1351.
  • the cover body 1351 may include a first groove 1355.
  • the first protrusion 1368a of the second tray 1360 which will be described later, may be received in the first groove 1355.
  • a plurality of first grooves 1355 may be spaced apart from each other.
  • the cover body 1351 may further include a second groove 1356.
  • the second groove 1356 may be disposed an opposite side of the recess 1351a in the cover body 1351.
  • a plurality of second grooves 1356 may be arranged spaced apart from each other in the cover body 1351.
  • the second tray cover 1350 may further include coupling portion 1357, 1358.
  • the coupling portion 1357, 1358 may be coupled to the second tray supporter 1380.
  • a plurality of coupling portions 1357, 1358 may extend from the cover body 1351.
  • the plurality of coupling portions 1357, 1358 may be arranged to face each other.
  • the plurality of coupling portions 1357, 1358 may include protrusion holes 1357a, 1357b.
  • FIG. 28A is a perspective view of a second tray as viewed from an upper side according to a second embodiment
  • FIG. 28B is a perspective view of a second tray as viewed from a lower side according to a second embodiment
  • FIG. 29A is a plan view of a second tray according to a second embodiment
  • FIG. 29B is a side view of a second tray according to a second embodiment.
  • the second tray 1360 may define a second cell 361, which is another portion of the ice making cell.
  • the second tray 1360 may include a second cell wall 362 forming the second cell 361.
  • the second tray 360 may form, for example, a plurality of second cells 361.
  • the 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 cell portion 361a may form another portion of a first ice making cell in the first row
  • the second cell portion 361b may form another portion of a second ice making cell in the second row.
  • the first cell portion 361a may be positioned to correspond to an area between two adjacent second cell portions 361b or to face an area between two adjacent second cell portions 361b. That is, the first cell portion 361a and the second cell portion 361b may be arranged in a zigzag shape.
  • the second tray 1360 may further include a peripheral wall 365.
  • the peripheral wall 365 may extend in a direction from the second cell wall 362 toward the first tray 320.
  • the peripheral wall 365 may include a curved wall 365a.
  • the curved wall 365a may be positioned adjacent to the first cell portion 361a.
  • the peripheral wall 365 may further include a straight wall 365b.
  • the straight wall 365b may extend in a straight shape in a Z-axis direction.
  • the straight wall 365b may extend in a curved shape in a direction crossing a Z-axis direction.
  • the straight wall 365b may be positioned adjacent to the second cell portion 361b.
  • the peripheral wall 365 may further include a connection wall 365c connecting the straight wall 365b and the curved wall 365a.
  • the connection wall 365c may be rounded in a Z-axis direction.
  • a curvature of the curved wall 365a may be different from a curvature of the connection wall 365c.
  • a curvature of the curved wall 365a may be greater than a curvature of the connection wall 365c.
  • the cover body 1351 may surround an outer surface of the peripheral wall 365.
  • the curved wall 365a may be supported by a recess 1351a of the cover body 1351.
  • the straight wall 365b may include a portion disposed farther from the extension 367, which will be described later, than the curved wall 365a.
  • an upper portion 365b1 of the straight wall 365b may include a portion higher than an upper portion 365a1 of the curved wall 365a.
  • the straight wall 36b may include a portion whose distance from the extension 367 is variable.
  • the straight wall 365b may include a portion whose height is variable at an upper portion 365b1.
  • the second tray 1360 may further include an extension 367.
  • the extension 367 may extend from the second cell wall 362 or the peripheral wall 365. Alternatively, the extension 367 may extend from a boundary portion between the second cell wall 362 and the peripheral wall 365. The extension 367 may extend in a direction crossing the peripheral wall 365.
  • the second tray cover 1350 may be seated on one surface of the extension 367. Another surface of the extension 367 may be seated on the second tray supporter 1380.
  • the first protrusion 1368a may be formed on one surface of the extension 367.
  • the first protrusion 1368a may be inserted into a first groove 1355 of the first tray cover 1350.
  • a plurality of first protrusions 1368a may be arranged to be spaced apart in an X-axis direction.
  • the second protrusion 1368b may be formed on another surface of the extension 367.
  • the second protrusion 1368b may be inserted into a first protrusion groove 1385a of the second tray supporter 1380, which will be described later.
  • a plurality of second protrusions 1368b may be arranged to be spaced apart from each other in an X-axis direction.
  • the first protrusion 1368a may overlap the second protrusion 1368b in a Z-axis direction.
  • a third protrusion 1368c may be provided on another side of the extension 367.
  • the third protrusion 1368c may be coupled to the second tray supporter 1380.
  • the third protrusion 1368c may overlap the curved wall 365a in a Z-axis direction, for example.
  • the third protrusion 1368c may be positioned at an opposite side of the second protrusion 1368b.
  • a plurality of third protrusions 1368c may be arranged spaced apart from each other in an X-axis direction.
  • the first protrusion 1368a may be positioned closer to the straight wall 365b than the curved wall 365a.
  • the first protrusion 1368a may be positioned adjacent to the second cell portion 361b.
  • the second protrusion 1368b may be positioned adjacent to the second cell portion 361b.
  • the third protrusion 1368c may be positioned adjacent to the first cell portion 361a.
  • the second tray 1360 may further include a slot 1369a, 1369b through which a coupling portion 1357, 1358 pass.
  • a plurality of slots 1369a, 1369b may be provided in the extension 367.
  • the plurality of slots 1369a, 1369b may be arranged to face each other.
  • the plurality of slots 1369a, 1369b may include a first slot 1369a.
  • the first slot 1369a may be positioned between a plurality of first protrusions 1368a or between a plurality of second protrusions 1368b.
  • the plurality of slots 1369a, 1369b may further include a second slot 1369b.
  • the second slot 1369b may be positioned between a plurality of third protrusions 1368c.
  • the second tray 1360 may further include an extension bar 1366.
  • the extension bar 1366 may extend from, for example, the second cell wall 362 or the extension 367.
  • the extension bar 1366 may be in contact with the base portion 1390.
  • the extension bar 1366 may include a groove 1366a for coupling with the base portion 1390.
  • the extension bar 1366 may include a first section 1366b and a second section 1366c extending from the first section 1366b.
  • the first section 1366b may extend from the second cell wall 362 or the extension 367.
  • a diameter or size of the second section 1366c may be greater than a diameter or size of the first section 1366b.
  • a plurality of extension bars 1366 may be spaced apart from each other on the second tray 1360. Although not limited, the plurality of extension bars 1366 may be arranged in a direction crossing an arrangement direction of the first and second rows.
  • the extension bar 1366 may include a portion positioned between two adjacent second cell portions 361b of the second row.
  • FIG. 30A is a perspective view of a second tray supporter as viewed from an upper side according to a second embodiment
  • FIG. 30B is a bottom view of a second tray supporter according to a second embodiment
  • FIG. 31A is a perspective view showing a lower structure of a second tray supporter according to a second embodiment
  • FIG. 31B is a plan view of a second tray supporter according to a second embodiment.
  • the second tray supporter 1380 may include a supporter body 381 that supports the second tray 1360.
  • the supporter body 381 may include a receiving portion 381a that receives a portion of the second tray 1360.
  • the receiving portion 381a may receive each of a plurality of second cells 361 of the second tray 1360.
  • a second cell wall 362 may be received in the receiving portion 381a.
  • the second tray supporter 1380 may further include a supporter opening 1382 through which the second tray 360 passes.
  • the supporter opening 1382 may also be arranged in a first row and a second row.
  • the supporter opening 1382 may include a first opening 1382a in the first row and a second opening 1382b in the second row.
  • the second tray supporter 1380 may include a coupling groove 384 in which the coupling protrusion 1353 is received.
  • the second tray supporter 1380 may include a first protrusion groove 1385a in which the second protrusion 1368b is received. In a state in which the second protrusion 1368b is received in the first protrusion groove 1385a, the second protrusion 1368b may be exposed to an outside.
  • the second tray supporter 1380 may further include a second protrusion groove 1385b in which the third protrusion 1368c is received. In a state in which the third protrusion 1368c is received in the second protrusion groove 1385b, the third protrusion 1368c may be exposed to an outside.
  • the second tray supporter 380 may further include a coupling portion 386 extending from the supporter body 381.
  • a coupling portion 386 may be arranged to be spaced apart from each other in a horizontal direction (X-axis direction).
  • the second tray supporter 1380 may further include a link coupling portion 387 to which the pusher link 440 is coupled.
  • the second tray supporter 380 may further include an elastic member coupling portion 388 to which the elastic member 460 is coupled.
  • the second tray supporter 1380 may further include a coupling groove 1387a, 1387c to which the coupling portion 1357, 1358 is coupled.
  • the coupling groove 1387a, 1387c may be formed with a coupling protrusion 1387b, 1387d that is inserted into the protrusion hole 1357a, 1357b of the coupling portion 1357, 1358.
  • the coupling portion 1357, 1358 may pass through the slot 1369a, 1369b of the second tray 1360 and then be coupled to the coupling protrusion 1387b, 1387d in the coupling groove 1387a, 1387c.
  • the second tray supporter 1380 may further include an extension opening 1383a.
  • the extension opening 1383a may extend from some of the plurality of supporter openings 1382.
  • the extension opening 1383a may extend from a first opening 1382a of the first row.
  • the extension opening 1383a may extend from the first opening 1382a to a second opening 1382b of the second row, for example.
  • the extension opening 1383a may include a portion positioned between two adjacent second openings 1382b.
  • the second tray supporter 1380 may include a seating groove 1383d formed at a position corresponding to an end of the extension opening 1383a.
  • a first section 1366b of the extension bar 1366 may be positioned in the extension opening 1383a.
  • the second section 1366c may be seated on the seating groove 1383d.
  • a diameter of the second section 1366c may be greater than a width of the extension opening 1383a.
  • the second tray supporter 1380 may further include a first hole 1383b to which a portion of the base portion 1390 is coupled.
  • the second tray supporter 1380 may further include a second hole 1383c to which another portion of the base portion 1390 is coupled.
  • the first hole 1383b and the second hole 1383c may be spaced apart from each other in a Y-axis direction, for example.
  • the second hole 1383c may be positioned closer to the first opening 1382a than the second opening 1382b.
  • the first hole 1383b may be positioned closer to the second opening 1382b than the first opening 1382a.
  • FIG. 32A is a perspective view of a base portion according to a second embodiment
  • FIG. 32B is a plan view of a base portion according to a second embodiment
  • FIG. 33A is a front view of a base portion according to a second embodiment
  • FIG. 33B is a side view of a base portion according to a second embodiment.
  • the base portion 1390 may include a first extension 1391.
  • the first extension 1391 may be in contact with a bar 1366 of the second tray 1360.
  • the first extension 1391 may be inserted into a groove 1366a of the bar 1366.
  • the first extension 1391 may include a portion whose diameter decreases toward one side.
  • a groove may be formed in the first extension 1391, and a portion of the bar 1366 may be inserted into the groove.
  • a plurality of first extensions 1391 may be arranged to be spaced apart from each other in an X-axis direction.
  • the base portion 1390 may further include a second extension 1392.
  • the second extension 1392 may be coupled to the first hole 1383b.
  • the second extension 1392 may include a plurality of hooks so that the second extension 1392 may be coupled to the first hole 1383b.
  • the second extension 1392 may be spaced apart from the first extension 1391 in a Y-axis direction.
  • a length of the second extension 1392 in a Z-axis direction may be greater than a length of the first extension 1391.
  • a plurality of second extensions 1392 may be arranged to be spaced apart from each other in an X-axis direction.
  • the base portion 1390 may further include a third extension 1393.
  • the third extension 1393 may be coupled to the second hole 1383c.
  • the third extension 1393 may include a plurality of hooks so that the third extension 1393 may be coupled to the second hole 1383c.
  • the third extension 1393 may be spaced apart from the first and second extensions 1391, 1392 in a Y-axis direction.
  • a length of the third extension 1393 in a Z-axis direction may be greater than a length of the first extension 1391.
  • a plurality of third extensions 1393 may be arranged to be spaced apart from each other in an X-axis direction.
  • a number of the plurality of first extensions 1391 may be equal to or different from a number of the plurality of second extensions 1392.
  • a number of the plurality of second extensions 1392 may be equal to or different from a number of the plurality of third extensions 1393.
  • a distance between two adjacent first extensions 1391 may be equal to or different from a distance between two adjacent second extensions 1392.
  • a distance between two adjacent second extensions 1392 may be equal to or different from a distance between two adjacent third extensions 1393.
  • a distance between two adjacent first extensions 1392 may be equal to or different from a distance between two adjacent third extensions 1393.
  • the base portion 1390 may further include a plate 1394.
  • the plate 1394 may include a first plate 1394a connecting the first extension 1391 and the second extension 1392.
  • some of the plurality of first extensions 1391 may be connected to the second extension 1392 by the first plate 1394a.
  • the first plate 1394a may include a straight portion or a curved portion.
  • the base portion 1390 may further include a second plate 1394b connecting two adjacent first extensions 1391.
  • the second plate 1394b may include a curved portion. A length of the second plate 1394b may be greater than a length of the first plate 1394a.
  • the third extension 1393 may be provided on the second plate 1394b. As another example, the second plate 1394b may connect the first extension 1391 and the third extension 1393. As another example, the first extension 1391, the second extension 1392, and the third extension 1393 may extend from a single plate 1394.
  • At least one of the first plate 1394a or the second plate 1394b may include a reinforcing rib 1398.
  • the reinforcing rib 1398 may include a straight portion or a curved portion.
  • FIG. 34A is a drawing showing a second tray coupled to a second tray supporter according to a second embodiment
  • FIG. 34B is a drawing showing a base portion being coupled in FIG. 34A
  • FIG. 35A is a cross-sectional view taken along line 35A-35A of FIG. 34B
  • FIG. 35B is a cross-sectional view taken along line 35B-35B of FIG. 34B
  • FIG. 36A is a cross-sectional view taken along line 36A-36A of FIG. 34B
  • FIG. 36B is a cross-sectional view taken along line 36B-36B of FIG. 34B .
  • the bar 1366 may move toward the extended opening 1383a.
  • the second cell wall 362 of the second tray 1360 may be seated on the receiving portion 381a of the supporter body 381.
  • a second section 1366c of the bar 1366 may be seated on a seating groove 1383d of the second tray supporter 1380.
  • the base portion 1390 may be coupled to the second tray supporter 1380 and the second tray 1360.
  • the second tray assembly 202A may also be described as having the following structure.
  • the second tray 1360 may include a first surface 1363 facing the ice making cell 203 (or the second cell) or having a surface forming the ice making cell 203.
  • an inner surface of the second tray 1360 may provide the first surface 1363.
  • the second tray 1360 may include a second surface 1364 having a surface forming a thickness together with the first surface 1363.
  • an outer surface of the second tray 1360 may provide the second surface 1364.
  • the second surface 1364 of the second tray 1360 may include a first portion 1364a including a portion corresponding to a shape of the ice making cell 203.
  • the second surface 1364 may further include a second portion 1364b extending from the first portion 1364a.
  • the second portion 1364b may be integrally formed with the first portion 1364a.
  • the second cell wall 362 may provide the first portion 1364a and the second portion 1364b.
  • the bar 1366 may provide the second portion 1364b.
  • the second portion 1364b may be a separate component from the first portion 1364a.
  • the second portion 1364b may include a first part, a second part spaced apart from the second part, and a plate connecting the first part and the second part.
  • the second tray case may include a first region 1381a having a surface facing the first portion 1364a of the second tray 1360 or in contact with the first portion 1364a.
  • the second tray case may further include a second region 1381b having a surface facing the second portion 1364b of the second tray 1360 or in contact with the second portion 1364b of the second tray 1360.
  • the first region 1381a and the second region 1381b may be provided integrally. Alternatively, the first region 1381a and the second region 1381b may be provided by separate parts.
  • the second tray supporter 1380 may provide the first region 1381a.
  • the base portion 1390 may provide the second region 1381b.
  • the second region 1381b of the second tray case may include a first section 1381c, a second section 1381d spaced apart from the first section 1381c, and a plate 1394 connecting the first section 1381c and the second section 1381d.
  • a plurality of first extensions 1391 may provide the first section 1381c and the second section 1381d.
  • the second portion 1364b of the second tray 1360 or the second region 1381b of the second tray case may include a surface extending in a direction (for example, in a Z-axis direction) transverse to a surface where the first and second tray assemblies contact each other.
  • the surface may form a groove or a protrusion or a boss.
  • the second tray case may include a first surface 1384a having a surface facing or in contact with the second tray 1360.
  • a first surface 1384a having a surface facing or in contact with the second tray 1360.
  • an inner surface of the second tray supporter 1380 may provide the first surface 1384a.
  • the second tray case may further include a second surface 1384b having a surface forming a thickness together with the first surface 1384a.
  • a second surface 1384b having a surface forming a thickness together with the first surface 1384a.
  • an outer surface of the second tray supporter 1380 and an outer surface of the base portion 1390 may provide the second surface 1384b.
  • the second surface 1384b of the second tray case may include a first portion 1384c and a second portion 1384d extending from the first portion 1384c.
  • the first portion 1384c and the second portion 1384d may be formed integrally or provided as separate parts.
  • the second portion 1384d of the second tray case may include a first part, a second part provided spaced apart from the first part, and a plate connecting the first part and the second part.
  • the second tray case may be provided with a reinforcing portion 1384e having a surface facing the second portion 1384d or in contact with the second portion 1384d.
  • the reinforcing portion 1384e may be integrally formed with the second portion 1384d.
  • the reinforcing portion 1384e may be provided as a separate component from the second portion 1384d.
  • the base portion 1390 may provide the reinforcing portion 1384e.
  • the reinforcing portion 1384e may include an A part, a B part spaced apart from the A part, and a plate connecting the A part and the B part.
  • a plurality of second extensions 1392 may provide the A part and the B part.
  • the reinforcing portion 1384e may be formed of a material different from a material of the second surface 1384b of the second tray case.
  • a degree of deformation resistance of the reinforcing portion 1384e may be greater than a degree of deformation resistance of the second surface 1384b of the second tray case.
  • a degree of restoration of the reinforcing portion 1384e may be greater than a degree of restoration of the second surface 1384b of the second tray case.
  • a degree of heat transfer of the reinforcing portion 1384e may be greater than a degree of heat transfer of the second surface 1384b of the second tray case.
  • the reinforcing portion 1384e or the second portion 1384d of the second tray case may include a surface extending in a direction transverse to a surface where the first and second tray assemblies contact each other.
  • the surface may form a groove or a protrusion or a boss.
  • the second tray 1360 may include a support surface.
  • the support surface may be provided by a second portion 1364b of the second tray 1360.
  • the second tray case may include a support region facing or in contact with the support surface.
  • the second region 1381b of the second tray case may provide the support region.
  • the support region of the second tray case may include a third part, a fourth part spaced apart from the third part, and a plate connecting the third and fourth parts.
  • a plurality of first extensions 1391 may provide the third part and the fourth part.
  • the support surface of the second tray may include a first surface, a second surface spaced apart from the second surface, and a connection surface connecting the first surface and the second surface.
  • the support surface of the second tray or the support region of the second tray case may be arranged between the first row and the second row.
  • the second tray case may include a supporter.
  • the second portion 1384d of the second tray case may provide the supporter.
  • the second tray case may be provided with a reinforcing portion 1384e including a surface facing or in contact with the supporter.
  • the reinforcing portion 1384e may be provided with a material different from a material of the supporter of the second tray case.
  • the reinforcing portion 1384e may include an A part, a B part spaced apart from the A part, and a plate connecting the A part and the B part.
  • a plurality of second extensions 1392 may provide the A part and the B part.
  • the supporter of the second tray case may include a first part, a second part spaced apart from the first part, and a plate connecting the first and second parts.
  • the reinforcing portion of the second tray case or the supporter of the second tray case may be arranged between the first row and the second row.
  • the second tray may include a support surface
  • the second tray case may include a support region facing the support surface of the second tray or in contact with the support surface of the second tray.
  • the second tray case may include a supporter, a reinforcing portion including a surface facing the supporter of the second tray case or in contact with the supporter of the second tray case, and a plate connecting the support region of the second tray case and the reinforcing portion of the second tray case.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
EP24741620.9A 2023-01-12 2024-01-03 Kühlschrank Pending EP4647697A4 (de)

Applications Claiming Priority (3)

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KR1020230004914A KR20240113021A (ko) 2023-01-12 2023-01-12 냉장고
KR1020230131000A KR20250046929A (ko) 2023-09-27 2023-09-27 냉장고
PCT/KR2024/000140 WO2024150998A2 (ko) 2023-01-12 2024-01-03 냉장고

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EP4647697A4 EP4647697A4 (de) 2026-04-08

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EP4553428A1 (de) * 2023-11-10 2025-05-14 LG Electronics Inc. Eismaschine und kühlschrank damit

Citations (1)

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KR20160136659A (ko) 2015-05-20 2016-11-30 엘지전자 주식회사 냉장고

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JPH02161271A (ja) * 1988-12-13 1990-06-21 Hoshizaki Electric Co Ltd 自動製氷機の製氷構造
KR101476197B1 (ko) * 2008-08-08 2014-12-24 엘지전자 주식회사 냉장고용 내부케이스 보강 부재
JP5767049B2 (ja) * 2011-07-29 2015-08-19 シャープ株式会社 冷蔵庫
KR102770065B1 (ko) * 2019-07-06 2025-02-21 엘지전자 주식회사 냉장고
EP4300013A3 (de) * 2018-11-16 2024-03-13 LG Electronics Inc. Eisbereiter und kühlschrank
US11231217B2 (en) 2019-08-06 2022-01-25 Haier Us Appliance Solutions, Inc. Ice making assembly for a refrigerator appliance
KR20220057215A (ko) * 2020-10-29 2022-05-09 삼성전자주식회사 냉장고
CN115164465B (zh) * 2022-07-08 2025-01-14 廖发亮 一种冰盘及其制造方法

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KR20160136659A (ko) 2015-05-20 2016-11-30 엘지전자 주식회사 냉장고

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WO2024150998A2 (ko) 2024-07-18
WO2024150998A3 (ko) 2025-05-22
EP4647697A4 (de) 2026-04-08

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