WO2025063802A1 - 냉장고 - Google Patents
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- Publication number
- WO2025063802A1 WO2025063802A1 PCT/KR2024/096127 KR2024096127W WO2025063802A1 WO 2025063802 A1 WO2025063802 A1 WO 2025063802A1 KR 2024096127 W KR2024096127 W KR 2024096127W WO 2025063802 A1 WO2025063802 A1 WO 2025063802A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat dissipation
- duct
- top cover
- air
- door
- 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
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Classifications
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- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
- F25D19/04—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors with more than one refrigeration unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/04—Preventing the formation of frost or condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/003—General constructional features for cooling refrigerating machinery
-
- 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
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
- F25B2321/025—Removal of heat
- F25B2321/0251—Removal of heat by a gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/002—Details for cooling refrigerating machinery
- F25D2323/0021—Details for cooling refrigerating machinery using air guides
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/002—Details for cooling refrigerating machinery
- F25D2323/0027—Details for cooling refrigerating machinery characterised by the out-flowing air
- F25D2323/00275—Details for cooling refrigerating machinery characterised by the out-flowing air from the front top
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/002—Details for cooling refrigerating machinery
- F25D2323/0028—Details for cooling refrigerating machinery characterised by the fans
- F25D2323/00282—Details for cooling refrigerating machinery characterised by the fans the fans not of the axial type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D2323/00—General constructional features not provided for in other groups of this subclass
- F25D2323/02—Details of doors or covers not otherwise covered
- F25D2323/021—French doors
Definitions
- the present disclosure relates to a refrigerator, and more particularly, to a refrigerator having a thermoelectric element for cooling a storage compartment.
- a refrigerator is a home appliance that has a main body with a storage compartment and a cold air supply device that supplies cold air to the storage compartment to keep things fresh.
- a cold air supply device may include a system of machines, devices, electronic devices and/or combinations thereof capable of generating cold air and guiding the cold air to cool a storage compartment.
- the refrigerator may include a machine room in which at least some components belonging to the cold air supply device are arranged.
- the control unit may include a memory that stores or memorizes a program and/or data for controlling the refrigerator, and a processor that outputs a control signal for controlling a cold air supply device, etc. according to the program and/or data stored in the memory.
- the processor controls the overall operation of the refrigerator.
- the processor can control components of the refrigerator by executing a program stored in the memory.
- the processor may include a separate NPU that performs the operation of the artificial intelligence model.
- the processor may also include a central processing unit, a graphics processor (GPU), etc.
- the processor may generate a control signal for controlling the operation of the cold air supply unit.
- the processor may receive temperature information of the storage compartment from a temperature sensor and generate a cooling control signal for controlling the operation of the cold air supply unit based on the temperature information of the storage compartment.
- the communication module can communicate with external devices such as servers, mobile devices, and other home appliances through a surrounding access point (AP).
- the access point (AP) can connect a local area network (LAN) to which a refrigerator or user device is connected to a wide area network (WAN) to which a server is connected.
- the refrigerator or user device can be connected to the server through the wide area network (WAN).
- LAN local area network
- WAN wide area network
- the input interface may include keys, a touchscreen, a microphone, etc.
- the input interface may receive user input and transmit it to the processor.
- the output interface may include a display, a speaker, etc.
- the output interface may output various notifications, messages, information, etc. generated by the processor.
- FIG. 1 is a drawing illustrating a refrigerator according to one embodiment of the present disclosure.
- FIG. 2 is a drawing illustrating a state in which a door of a refrigerator is opened according to one embodiment of the present disclosure.
- FIG. 3 is a drawing illustrating an upper portion of a storage compartment of a refrigerator according to one embodiment of the present disclosure as viewed from below.
- FIG. 4 is a schematic side cross-sectional view of a refrigerator according to one embodiment of the present disclosure.
- FIG. 5 is a cross-sectional view along line I-I of FIG. 2.
- a refrigerator (1) may include a main body (100), storage chambers (11, 12, 13) formed inside the main body (100), and doors (21, 22, 23, 24) provided to open and close the storage chambers (11, 12, 13).
- the main body (100) may include an inner case (170), an outer case (180) coupled to the outside of the inner case (170), and an insulating material (190) provided between the inner case (170) and the outer case (180) (see FIG. 6).
- the inner case (170) may form a storage chamber (11, 12, 13), and the outer case (180) may form the outer appearance of the main body (100).
- the main body (100) may include an upper wall (110), a lower wall (120), a left wall (130), a right wall (140), and a rear wall (150).
- the upper wall (110), the lower wall (120), the left wall (130), the right wall (140), and the rear wall (150) may form an upper surface, a lower surface, a left surface, a right surface, and a rear wall of the main body (100), respectively.
- Each of the upper wall (110), the lower wall (120), the left wall (130), the right wall (140), and the rear wall (150) may be formed of an inner surface (170), an outer surface (180), and an insulating material (190).
- the upper surface of the upper wall (110) may be formed by the outer surface (180)
- the lower surface of the upper wall (110) may be formed by the inner surface (170)
- an insulating material (190) may be provided on the inside of the upper wall (110).
- the storage rooms (11, 12, 13) can accommodate items.
- the storage rooms (11, 12, 13) can be formed so that the front side is open so that items can be put in or taken out.
- the main body (100) can include a horizontal partition (160) that divides the first storage room (11) from the second storage room (12) and the third storage room (13), and a vertical partition (161) that divides the second storage room (12) from the third storage room (13).
- the first storage room (11) can be provided at the upper part of the main body (100), and the second storage room (12) and the third storage room (13) can be provided at the lower part of the main body (100).
- the first storage room (11) can be a refrigerator
- the second storage room (12) can be a freezer
- the third storage room (13) can be a variable temperature room.
- the doors (21, 22, 23, 24) can open and close the storage rooms (11, 12, 13).
- the first door (21) and the second door (22) can open and close the first storage room (11)
- the third door (23) can open and close the second storage room (12)
- the fourth door (24) can open and close the third storage room (13).
- the doors (21, 22, 23, 24) can be rotatably coupled to the main body (100).
- the doors (21, 22, 23, 24) may be rotatably coupled to the main body (100) by hinges.
- the first door (21) and the second door (22) may be rotatably coupled to the main body (100) by a hinge (31) provided on the upper portion of the main body (100) and a hinge provided in the middle of the main body (100), respectively.
- the hinge (31) may include a hinge pin that protrudes vertically to form a rotational axis of the door.
- the hinge (31) may be covered by a top cover (300) provided to cover the upper front portion of the main body (100).
- a rotating bar (40) may be provided on one of the first door (21) and the second door (22) to cover a gap formed between the first door (21) and the second door (22) when the first door (21) and the second door (22) are closed.
- the rotating bar (40) may be provided rotatably on one of the first door (21) and the second door (22).
- the rotating bar (40) may have a bar shape that is formed long in a vertical direction.
- the rotating bar (40) may also be referred to as a pillar, a mullion, etc.
- a guide projection (46) may be provided at the top of the rotating bar (40), and a rotation guide (119) that guides the rotation of the guide projection (46) may be provided at the top of the main body (100).
- the doors (21, 22, 23, 24) may include a gasket (51).
- the gasket (51) may be pressed against the front surface of the body (100) when the doors (21, 22, 23, 24) are closed.
- the doors (21, 22, 23, 24) may include a dyke (52) that protrudes rearward.
- a door shelf (53) capable of storing items may be mounted on the dyke (52).
- a rotating bar (40) may be rotatably installed on the dyke (52).
- the refrigerator (1) may include a thermoelectric cooling device (400) configured to cool the storage compartment (11).
- thermoelectric cooling device (400) may be provided on the upper side of the storage room (11) to cool the storage room (11). That is, the thermoelectric cooling device may be provided on the upper wall (110) of the main body (100).
- the thermoelectric cooling device may include a thermoelectric element (530).
- the thermoelectric element (530) may be a semiconductor element that converts thermal energy into electrical energy using the thermoelectric effect, and may also be referred to as a thermoelectric semiconductor element, a Peltier element, or the like.
- the thermoelectric element (530) includes a heating part (531) and a cooling part (532). When current is applied to the thermoelectric element (530), a heating action may occur in the heating part (531) and a heat absorption action may occur in the cooling part (532).
- the thermoelectric element (530) may have a thin hexahedral shape.
- a heating part (531) may be provided on one surface of the thermoelectric element (530) and a cooling part (532) may be provided on the opposite surface.
- thermoelectric element (530) may be provided on the upper wall (110) such that the heating portion (531) faces above the thermoelectric element (530) and the cooling portion (532) faces below the thermoelectric element (530). That is, the heating portion (531) may face the outside of the main body (100) and the cooling portion (532) may face the inside of the storage chamber (11). Accordingly, air that has been warmed by heat exchange with the heating portion (531) may be discharged to the outside of the main body (100), and air that has been cooled by heat exchange with the cooling portion (532) may be supplied to the storage chamber (11).
- the thermoelectric cooling device (400) may include a heat sink (520) that contacts the heat generating unit (531) so that heat exchange between the heat generating unit (531) and the air outside the main body (100) is efficiently performed.
- the heat sink (520) may be located outside the main body (100).
- the heat sink (520) may contact the heat generating part (531) to absorb heat from the heat generating part (531) and release heat to the outside of the main body (100).
- the heat sink (520) may also be referred to as a hot sink, a heat dissipation heat sink, a hot heat sink, etc.
- the heat sink (520) may be formed of a metal material having good thermal conductivity.
- the heat sink (520) may be formed of aluminum or copper.
- the heat sink (520) may include a heat sink base (521) that contacts the heat generating portion (531) and a plurality of heat dissipation fins (525) that protrude from the heat sink base (521) to expand the heat transfer area.
- the plurality of heat dissipation fins (525) may protrude upward from the heat sink base (521).
- thermoelectric cooling device (400) may include a cooling sink (570) in contact with the cooling unit (532) to efficiently exchange heat between the cooling unit (532) and the air inside the storage chamber (11).
- a cooling sink (570) may be located inside the storage room (11).
- the cooling sink (570) may cool the storage room (11) by taking away heat from the storage room (11) and transferring it to the cooling unit (532).
- the cooling sink (570) may also be referred to as a cold sink, a cooling sink, a cooling heat sink, a cold heat sink, a cooling heat sink, etc.
- the cooling sink (570) may be formed of a metal material having good thermal conductivity.
- the cooling sink (570) may be formed of aluminum or copper.
- the cooling sink (570) may include a cooling sink base (571) that contacts the cooling unit (532) and a plurality of cooling fins (575) that protrude from the cooling sink base (571) to expand the heat transfer area.
- the plurality of cooling fins (525) may protrude downward from the cooling sink base (571).
- the cooling sink base (571) and the plurality of cooling fins (575) may be formed integrally.
- thermoelectric cooling device (400) may include a heat dissipation fan (600) that flows air to ensure efficient heat exchange between the heat dissipation sink (520) and the air outside the main body (100).
- a heat dissipation fan (600) that flows air to ensure efficient heat exchange between the heat dissipation sink (520) and the air outside the main body (100).
- the heat dissipation fan (600) may be arranged to blow air toward the heat dissipation sink (520).
- the heat dissipation fan (600) may be arranged to be positioned in a horizontal direction of the heat dissipation sink (520).
- the heat dissipation fan (600) may be arranged on the outside of the main body (100).
- the heat dissipation fan (600) may be arranged on the upper side of the upper wall (110).
- the heat dissipation fan (600) may be a centrifugal fan that draws in air in an axial direction and discharges it in radial directions.
- the centrifugal fan may include a blower fan.
- the rotation axis (610) of the heat dissipation fan (600) may be arranged vertically on the upper surface of the upper wall (110).
- the thermoelectric cooling device (400) may include a heat dissipation duct (700) provided to guide air flowing by a heat dissipation fan (600).
- the heat dissipation duct (700) may guide air from outside the main body (100) to be sucked in and heat-exchanged with a heat dissipation sink (520), and may discharge the air that has exchanged heat with the heat dissipation sink (520) back to the outside of the main body (100).
- the heat dissipation duct (700) can draw air from the external space on the upper side of the main body (100).
- the heat dissipation duct (700) can discharge air that has exchanged heat with the heat dissipation sink (520) to the external space on the upper side of the main body (100).
- the heat dissipation fan (600) can be located inside the heat dissipation duct (700).
- the heat dissipation sink (520) can be located inside the heat dissipation duct (700).
- the heat dissipation duct (700) can be provided on the upper surface of the upper wall (110).
- the heat dissipation duct (700) may include an outside air intake port (751) that draws air from outside the main body (100) into the inside of the heat dissipation duct (700), and an outside air discharge port (782) that discharges air that has exchanged heat with the heat dissipation sink (520) to the outside of the main body (100).
- thermoelectric cooling device (400) may include a cooling fan (800) that circulates air to ensure efficient heat exchange between the cooling sink (570) and the air inside the storage chamber (11).
- the cooling fan (800) may be arranged to blow air toward the cooling sink (570).
- the cooling fan (800) may be positioned in a horizontal direction of the cooling sink (570).
- the cooling fan (800) may be arranged inside the storage room (11).
- the cooling fan (800) may be arranged on the lower side of the upper wall (110).
- the cooling fan (800) may be a centrifugal fan that sucks in air in an axial direction and discharges it in radial directions.
- the rotation axis (810) of the cooling fan (800) may be arranged perpendicular to the bottom surface of the upper wall (110).
- the thermoelectric cooling device (400) may include a cooling duct (900) provided to guide air flowing by a cooling fan (800).
- the cooling duct (700) may guide air inside the storage room (11) to be sucked in and heat-exchanged with the cooling sink (570), and may discharge the air that has exchanged heat with the cooling sink (570) back into the storage room (11).
- the cooling fan (800) may be located inside the cooling duct (900).
- the cooling sink (570) may be located inside the cooling duct (900).
- the cooling duct (800) may be provided on the lower surface of the upper wall (110).
- the cooling duct (900) may include an intake port (991) for drawing air inside the storage room (11) into the interior of the cooling duct (900), and an exhaust port (992) for discharging air that has exchanged heat with the cooling sink (570) into the interior of the storage room (11).
- the refrigerator (1) may include a refrigeration cycle device to cool the storage compartment through a refrigeration cycle.
- the refrigeration cycle device may include a compressor (2), a condenser (not shown), an expansion device (not shown), and an evaporator (3).
- the evaporator (3) may be provided at the rear side of the storage compartment (12, 13).
- the refrigerator (1) may include evaporator ducts (60, 70) that guide cold air generated in the evaporator (3).
- the first evaporator duct (60) may be provided at the rear side of the second storage room (12) and the third storage room (13).
- the second evaporator duct (70) may be provided at the rear side of the first storage room (11).
- the cold air generated in the evaporator (3) can be sucked into the interior of the first evaporator duct (60) by the evaporator fan (80).
- the cold air sucked into the interior of the first evaporator duct (60) can be discharged to the second storage room (12) or the third storage room (13) through a cold air discharge port (not shown) formed at the front.
- the cold air sucked into the interior of the first evaporator duct (60) can be guided to the internal passage (78) of the second evaporator duct (70).
- the first evaporator duct (60) can be provided with a damper (61) that controls the supply of the cold air inside the first evaporator duct (60) to the second evaporator duct (70).
- a connecting duct (90) may be provided between the first evaporator duct (60) and the second evaporator duct (70) to connect the first evaporator duct (60) and the second evaporator duct (70).
- Cold air introduced into the internal path (78) of the second evaporator duct (70) can be supplied to the first storage room (11) through the cold air discharge port (72) formed at the front of the second evaporator duct (70).
- the cold air generated in the evaporator (3) may be supplied directly to the second evaporator duct (70) without passing through the first evaporator duct (60).
- a separate evaporator (3) may be provided at the rear side of the first storage chamber (11) and configured to supply the cold air to the second evaporator duct (70).
- a method of supplying cold air to the storage compartment (11) may include a first method of supplying only cold air generated by the thermoelectric cooling device (400), a second method of supplying only cold air generated by the refrigeration cycle device, and a third method of supplying both cold air generated by the thermoelectric cooling device and cold air generated by the refrigeration cycle device.
- the refrigerator may include a thermoelectric cooling device and a refrigeration cycle device, but is not limited thereto, and the refrigerator may include only a thermoelectric cooling device (400).
- FIG. 6 is a drawing showing a top cover separated from a main body of a refrigerator according to an embodiment of the present disclosure.
- FIG. 7 is a drawing showing a top cover and a heat dissipation duct cover separated from a main body of a refrigerator according to an embodiment of the present disclosure.
- FIG. 8 is a drawing showing a top cover, a heat dissipation duct cover, a heat dissipation duct body, and an extension duct separated from a main body of a refrigerator according to an embodiment of the present disclosure.
- FIG. 9 is a drawing showing an exploded view of a heat dissipation duct according to an embodiment of the present disclosure.
- FIG. 10 is a drawing showing a bottom surface of a heat dissipation duct according to an embodiment of the present disclosure.
- FIGS. 6 to 10 the structure of a heat dissipation duct (700) according to one embodiment of the present disclosure will be described.
- the refrigerator (1) may include a heat dissipation duct (700) provided on the upper wall (110) to draw in air from outside the main body (100), exchange heat with a heat dissipation sink (520), and discharge the air that has exchanged heat with the heat dissipation sink (520) back to the outside of the main body (100).
- a heat dissipation duct (700) provided on the upper wall (110) to draw in air from outside the main body (100), exchange heat with a heat dissipation sink (520), and discharge the air that has exchanged heat with the heat dissipation sink (520) back to the outside of the main body (100).
- a heat dissipation duct (700) may include a heat dissipation duct body (720), a heat dissipation duct cover (710), and an extension duct (740).
- a heat dissipation duct body (720) can be coupled to the upper surface of the main body (100).
- the heat dissipation duct body (720) can cover a heat dissipation fan (600) and a heat dissipation sink (520).
- An outside air intake (751) is formed on the upper surface of the front portion of the heat dissipation duct body (720), and the outside air intake (751) can be covered by a top cover (300).
- the heat dissipation duct cover (710) may be coupled to the upper portion of the heat dissipation duct body (720) to cover the upper portion of the heat dissipation duct body (720).
- the heat dissipation duct cover (710) may be provided with a duct cover coupling portion (711), and the heat dissipation duct body (720) may be provided with a duct body coupling portion (721) coupled to the duct cover coupling portion (711).
- the duct cover coupling portion (711) and the duct body coupling portion (721) may be coupled in a hook or fitting manner.
- An extension duct (740) may be provided in front of the heat dissipation duct body (720) so as to be connected to the heat dissipation duct body (720). As shown in FIG. 8, the extension duct (740) may be provided separately from the heat dissipation duct body (720). However, alternatively, the extension duct (740) may be provided integrally with the heat dissipation duct body (720).
- the extension duct (740) may be placed under the top cover (300), and the upper side of the extension duct (740) may be covered by the top cover (300).
- the extension duct (740) may be coupled to the lower part of the top cover (300).
- an extension duct coupling portion (745) may be provided on the extension duct (740), and a top cover coupling portion (380) coupled to the extension duct coupling portion (745) may be provided on the top cover (300).
- the extension duct coupling portion (745) and the top cover coupling portion (380) may be coupled in a hook or fitting manner.
- the heat dissipation duct (700) may include an outside air intake port (751) designed to intake air from outside the main body.
- the heat dissipation duct body (720) may include an outside air intake port (751).
- the outside air intake (751) may be formed on the upper surface of the heat dissipation duct body (720).
- the outside air intake (751) may be positioned closer to the front of the main body (100) than the rear of the main body (100). In this way, the reason why the outside air intake (751) is positioned closer to the front of the main body (100) than the rear of the main body (100) is to suppress heat generated in the compressor (2) and condenser, etc., located at the rear of the main body (100) from being sucked in through the outside air intake (751).
- the heat dissipation duct (700) may include outside air exhaust ports (782, 794) that discharge air that has exchanged heat with the heat dissipation sink (520) to the outside of the main body (100).
- the heat dissipation duct body (720) may include a first external air discharge port (782) that discharges air that has exchanged heat with the heat dissipation sink (520) to the outside of the main body (100).
- the first external air discharge port (782) may discharge air that has exchanged heat with the heat dissipation sink (520) toward the external space on the upper side of the main body (100).
- the extension duct (740) may include a second outside air exhaust port (794) that discharges air that has exchanged heat with the heat sink (520) toward the rotating bar (40). By discharging air that has exchanged heat with the heat sink (520) toward the rotating bar (40), condensation may be prevented from occurring on the rotating bar (40).
- the heat dissipation duct (700) does not necessarily have to include the first outdoor air discharge port (782) and the second outdoor air discharge port (794), and the second outdoor air discharge port (794) may be omitted.
- the heat dissipation duct (700) may include a fan receiving portion (760) forming a fan receiving space (762) for receiving a heat dissipation fan (600).
- the heat dissipation duct body (720) may include a fan receiving portion (760) forming a fan receiving space (762) for receiving a heat dissipation fan (600).
- a fan receiving space (762) may be formed on the bottom surface of the fan receiving portion (760).
- the lower side of the fan receiving space (762) may be open, and the lower side of the fan receiving space (762) may be covered by a fan case (650).
- the fan receiving portion (760) may include a fan inlet (761) through which air is introduced into the fan receiving space (762).
- the fan inlet (761) may be formed on the upper side of the fan receiving space (762).
- the heat dissipation duct (700) may include a sink receiving portion (770) forming a sink receiving space (771) that receives a heat dissipation sink (520).
- the sink receiving space (771) may be formed on a bottom surface of the sink receiving portion (770).
- the lower side of the sink receiving space (771) may be open.
- the open lower side of the sink receiving space (771) may be covered by the module plate (550).
- the sink receiving space (771) may be formed on a downstream side of the fan receiving space (762).
- the fan receiving space (762) and the sink receiving space (771) may be positioned on a horizontal line.
- the fan receiving space (762) and the sink receiving space (771) may be positioned in the left and right directions based on the main body (100).
- the fan receiving space (762) and the sink receiving space (771) may be positioned closer to the rear of the main body (100) than the front of the main body (100).
- the heat dissipation fan (600) accommodated in the fan accommodation space (762) and the sink (520) accommodated in the sink accommodation space (771) may be positioned on a horizontal line to each other.
- the heat dissipation fan (600) and the heat dissipation sink (520) may be positioned in the left and right directions based on the main body (100).
- the heat dissipation fan (600) and the heat dissipation sink (520) may be positioned closer to the rear of the main body (100) than to the front of the main body (100).
- the heat dissipation duct (700) may include an intake duct section (750) that guides air sucked in through an outside air intake port (751) to a fan receiving space (762).
- the heat dissipation duct body (720) may include an intake duct section (750).
- the intake duct section (750) may extend forward from the fan receiving portion (760).
- the outside air intake port (751) may be formed on an upper surface of the intake duct section (750).
- the suction space (752) may be formed on the upper surface of the heat dissipation duct body (720).
- the suction space (752) may be formed to have an open upper side, and the open upper side of the suction space (752) may be covered by a heat dissipation duct cover (710).
- the suction space (752) may be formed on the upstream side of the fan receiving space (762).
- the suction space (752) may be connected to the fan receiving space (762) through a fan inlet (761).
- the heat dissipation duct (700) may include a first exhaust duct section (780) that guides air that has exchanged heat with the heat dissipation sink (520) to a first outdoor air outlet (782).
- the heat dissipation duct body (720) may include a first exhaust duct section (780).
- the first exhaust duct section (780) may extend from the sink receiving section (770).
- the first exhaust duct section (780) may be formed to extend a predetermined length diagonally toward a front corner of the main body (100) from the sink receiving section (770) and then extend forward.
- a first exhaust space (781) may be formed on the upper surface of the heat dissipation duct body (720).
- the upper side of the first exhaust space (781) may be open, and the open upper side of the first exhaust space may be covered by a heat dissipation duct cover (710).
- the first exhaust space (781) may be formed on the downstream side of the sink receiving space (771).
- the second exhaust space (791) may be formed on the upper surface of the heat dissipation duct body (720).
- the second exhaust space (791) may have an open upper side, and the open upper side of the second exhaust space (791) may be covered by a heat dissipation duct cover (710).
- the second exhaust space (791) may be formed on the downstream side of the sink receiving space (771).
- the second exhaust duct section (790) may be formed by branching off from the first exhaust duct section (780). However, in contrast, the first exhaust duct section (780) and the second exhaust duct section (790) may be formed independently.
- FIG. 11 is a drawing illustrating a top cover according to one embodiment of the present disclosure.
- FIG. 12 is a drawing illustrating a bottom surface of a top cover according to one embodiment of the present disclosure.
- the refrigerator (1) may include a top cover (300) coupled to the front portion of the upper surface of the main body (100) to cover a plurality of hinges (31).
- the top cover (300) may include a top cover upper surface portion (310), a top cover front portion (311) extending downward from a front edge of the top cover upper surface portion (310), top cover side portions (314) extending downward from both side edges of the top cover upper surface portion (310), a top cover rear portion (315) extending downward from a rear edge of the top cover upper surface portion (310), and a top cover internal space (320) formed by the top cover upper surface portion (310), the top cover front portion (311), the top cover side portions (314), and the top cover rear portion (315).
- the lower side of the top cover internal space (320) may be open, and the lower side of the top cover internal space (320) may be covered by the upper surface of the upper wall (110).
- the top cover (300) may include forward protrusions (313) protruding forward from both ends of the top cover to cover a plurality of hinges (31).
- the top cover (300) may include an intake grill (350) positioned above the outside air intake (751).
- the intake grill (350) may block foreign substances from being sucked into the inside of the heat dissipation duct (700) through the outside air intake (751), protect a dust filter (390) to be described later, and guide air sucked through the outside air intake (751).
- the top cover (300) may be equipped with a dust filter (390) for filtering out foreign substances.
- the dust filter (390) is placed below the intake grill (350) and can filter out fine foreign substances.
- the top cover (300) may include an exhaust port forming portion (312) formed on the top cover front portion (311) of the top cover (300) to form a second outside air exhaust port (794) together with an extension duct (740).
- the exhaust port forming portion (312) may protrude forward from the top cover front portion (311).
- At least a portion of the air discharged from the heat dissipation duct (700) through the first external air discharge port (782) may be introduced into the top cover internal space (320). That is, air that has been warmed by heat exchange with the heat dissipation sink (520) may be introduced into the top cover internal space (320).
- a top cover inlet (330) may be formed in the top cover (300).
- the top cover inlet (330) may be formed in the top cover rear surface (315).
- the first outside air exhaust port (782) may include a top cover exhaust port (784) provided to guide air inside the heat dissipation duct (700) into the top cover internal space (320).
- the top cover exhaust port (784) may be connected to the top cover inlet port (330). Air exhausted through the top cover exhaust port (784) may be introduced into the top cover internal space (320) through the top cover inlet port (330).
- the first outside air exhaust port (782) may include an outside exhaust port (783) separated from the top cover exhaust port (784) to exhaust air from the heat dissipation duct (700) to the outside of the top cover (300).
- An exhaust grill may be formed in the outside exhaust port (783) to prevent foreign substances from flowing into the inside of the heat dissipation duct (700) through the outside exhaust port (783).
- the top cover (300) may include a top cover outlet (340).
- the top cover outlet (340) may be formed in the front protrusions (313) of the top cover (300).
- the top cover outlet (340) may be formed in the front protrusions (313) that are further away from the top cover inlet (330) among the front protrusions (313).
- the top cover outlet (340) may be formed on the upper surface of the front protrusion (313). Since the top cover outlet (340) is formed in the front protrusion (313), air discharged through the top cover outlet (340) can be prevented from being re-inhaled into the outside air intake (751) as much as possible.
- the air that has exchanged heat with the heat sink (520) can heat the upper surface of the main body (100) as it passes through the inner space (320) of the top cover. Accordingly, condensation on the upper front surface of the main body (100) can be prevented.
- the top cover (300) may include an exhaust guide portion (381) formed to guide air discharged to the outside of the heat dissipation duct (700) through the external exhaust port (783) of the first external air exhaust port (782).
- the exhaust guide portion (381) may be formed to be inclined on the rear surface (315) of the top cover. It may guide air discharged through the external exhaust port (783) to be discharged smoothly without interfering with the top cover (300).
- FIG. 13 is a drawing illustrating a first heat dissipation path, a second heat dissipation path, and a top cover path according to one embodiment of the present disclosure.
- a first heat dissipation path, a second heat dissipation path, and a top cover path according to one embodiment of the present disclosure are described.
- the refrigerator (1) may include a first heat dissipation path (401) through which air that has exchanged heat with the heat dissipation sink (520) is discharged to the outside of the main body (100), and a second heat dissipation path (402) through which air that has exchanged heat with the heat dissipation sink (520) is discharged toward the rotation bar (40).
- the second heat dissipation path (402) may be formed by branching off from the first heat dissipation path (401).
- the first heat dissipation path (401) can be formed by an outside air intake port (751), an intake space (752), a fan inlet port (761), a fan receiving space (762), a sink receiving space (771), a first discharge space (781), and a first outside air discharge port (782).
- the second heat dissipation path (402) can be formed by an outside air intake (751), an intake space (752), a fan inlet (761), a fan receiving space (762), a sink receiving space (771), a second discharge space (791), and a second outside air discharge port (794).
- the refrigerator (1) may include a top cover passage (388) through which air discharged through the first heat dissipation passage (401) flows into the interior of the top cover (300), passes through the internal space (320) of the top cover (300), and then is discharged to the exterior of the top cover (300).
- the top cover euro (388) can be connected to an end of the first heat dissipation euro (401). That is, the top cover euro (388) can be connected to the top cover exhaust port (784) of the first outside air exhaust port (782).
- FIG. 14 is a drawing illustrating a state in which a rotating bar according to one embodiment of the present disclosure is in a cover position covering a gap between a plurality of doors.
- FIG. 15 is a drawing illustrating a state in which a rotating bar according to one embodiment of the present disclosure is in an avoidance position in which interference with a door is prevented.
- FIG. 16 is an exploded drawing illustrating a rotating bar according to one embodiment of the present disclosure.
- a rotating bar according to one embodiment of the present disclosure is described with reference to FIGS. 14 to 16.
- the rotating bar (40) can be rotatably connected to the first door (21).
- the rotating bar (40) may be in a cover position (P1) that covers the gap between the first door (21) and the second door (22) when the first door (21) and the second door (22) are closed.
- the front surface (43) of the rotating bar (40) may be parallel to the back surface of the first door (21).
- the rotating bar (40) can rotate to an avoidance position (P2) that does not interfere with the second door (22).
- the rotation bar (40) can rotate between the cover position (P1) and the avoidance position (P2) according to the rotation of the first door (21).
- the rotation bar (40) can rotate by the guide projection (46) provided on the upper end of the rotation bar (40) being rotated by the rotation guide (119, FIG. 2) provided on the upper end of the main body (100).
- the rotation angle of the rotation bar (40) can be determined according to the rotation angle of the first door (21).
- the rotating bar (40) may have a vertically extending bar shape.
- the rotating bar (40) may include a rotating bar body (41) and a rotating bar cover (42) coupled to the front of the rotating bar body (41).
- the rotating bar (40) may include a connecting bracket (45) so as to be rotatably coupled to the door.
- the rotating bar (40) may include a heater (44) to prevent the condensation phenomenon by raising the temperature of the front surface of the rotating bar (40) to a temperature higher than the dew point temperature.
- FIG. 17 is a drawing illustrating an extension duct of a heat dissipation duct according to one embodiment of the present disclosure.
- FIG. 18 is a drawing illustrating a second heat dissipation path according to one embodiment of the present disclosure.
- FIG. 19 is a drawing illustrating a flow of air discharged to the top of a rotating bar through a second heat dissipation path according to one embodiment of the present disclosure.
- the heat dissipation duct (700) may include a second exhaust space (791) formed on the downstream side of the sink receiving space (771) to guide air that has exchanged heat with the heat dissipation sink (520) to a second outdoor air exhaust port (794).
- the second exhaust space (791) may include a second exhaust space upstream portion (792) and a second exhaust space downstream portion (793).
- the heat dissipation duct body (720) may include a second exhaust space upstream portion (792).
- the second exhaust space upstream portion (792) may be formed on an upper surface of the heat dissipation duct body (720).
- the upper side of the second exhaust space upstream portion (792) may be open, and the open upper side of the second exhaust space upstream portion (792) may be covered by a heat dissipation duct cover (710).
- the extension duct (740) may include a second discharge space downstream portion (793).
- the second discharge space downstream portion (793) may be formed on an upper surface of the extension duct (740).
- the upper side of the second discharge space downstream portion (793) may be open, and the open upper side of the second discharge space downstream portion (793) may be covered by a top cover (300).
- the extension duct (740) may include an extension duct bottom (741) and an extension duct side portion (744) extending upward from both edges of the extension duct bottom (741).
- An extension duct joining portion (745) may be formed on the extension duct side portion (744) to be joined to a top cover joining portion (380) of a top cover (300).
- the extension duct joining portion (745) and the top cover joining portion (380) may be joined in a hook or fitting manner.
- extension duct (740) may be coupled to the heat dissipation duct body (720) and may be formed integrally with the heat dissipation duct body (720).
- the extension duct (740) may include an airflow guide (742) that guides airflow so that a downward airflow is smoothly formed through the second outside air discharge port (794).
- the airflow guide (742) may be formed to slope gently downward as it approaches the second outside air discharge port (794).
- the second outside air outlet (794) may be formed by the extension duct (740) and the top cover (300).
- the top cover (300) may include an outlet forming portion (312) positioned in front of the extension duct (740) to form the second outside air outlet (794).
- the outlet forming portion (312) may extend in a vertical direction.
- the second outside air outlet (794) may be located on the upper side of the top of the rotating bar (40).
- the second outside air outlet (794) may be arranged to discharge air in a downward direction. Accordingly, air discharged through the second outside air outlet (794) may flow from the top of the rotating bar (40) along the front side of the rotating bar (40) toward the bottom of the rotating bar (40).
- the extension duct (740) may include an acceleration member (743) configured to increase the speed of airflow discharged through the second outdoor air outlet (794).
- the acceleration member (743) may be formed so that its cross-sectional area becomes narrower as it approaches the second outdoor air outlet (794). That is, the acceleration member (743) may include a pair of inclined members formed on both sides of the second outdoor air outlet (794). The gap between the pair of inclined members may become narrower as it approaches the second outdoor air outlet (794).
- thermoelectric cooling device waste heat generated in the thermoelectric cooling device can be smoothly guided toward the rotating bar (40), and condensation can be prevented from occurring on the rotating bar (40). Accordingly, the use of the heater (44) inside the rotating bar (40) can be reduced, and energy consumption can be saved.
- FIG. 20 is a drawing illustrating a first heat dissipation path and a second heat dissipation path according to one embodiment of the present disclosure.
- the first external air discharge port (782) is configured only as an external discharge port (783), and all air guided by the first discharge duct section (780) can be discharged to the outside of the main body (100).
- FIG. 21 is a drawing illustrating a hot pipe provided at the front part of a main body according to one embodiment of the present disclosure.
- the refrigerator (1) may include a hot pipe (195) provided on the front of the main body (100) to prevent condensation from occurring by raising the temperature of the front of the main body (100) above the dew point temperature.
- the hot pipe (195) may not be provided on the entire front of the main body (100), but may be provided only on a part of the front of the main body (100). Specifically, the hot pipe (195) may be omitted from the upper part of the front of the main body (100) and provided only on the lower part of the front of the main body (100). For example, the hot pipe (195) may be provided on the entire front of the lower wall (120), the entire front of the vertical bulkhead (161), the entire front of the horizontal bulkhead (160), the lower part of the front of the left wall (130), and the lower part of the front of the right wall (140).
- the reason why the hot pipe (195) can be omitted from the upper portion of the front surface of the main body (100) is that, according to the embodiment of the present disclosure, waste heat discharged from the heat dissipation duct (700) can heat the upper surface of the main body (100) while passing through the inner space (320) of the top cover.
- a part of the hot pipe (195) can be omitted, thereby reducing manufacturing cost and energy consumption.
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Abstract
Description
Claims (15)
- 상부벽을 갖는 본체;상기 본체의 내부에 형성된 저장실;상기 저장실을 개폐하도록 마련된 제1 도어와 제2 도어;상기 제1 도어와 상기 제2 도어가 닫힌 때 상기 제1 도어와 상기 제2 도어 사이의 갭을 커버하도록 상기 제1 도어와 상기 제2 도어 중 어느 하나의 도어에 회전 가능하게 결합된 회전 바;열을 발생시키는 발열부와 열을 흡수하는 냉각부를 갖고, 상기 저장실을 냉각하도록 상기 상부벽에 마련된 열전 소자;상기 발열부에 접촉하도록 마련되어 상기 발열부에 의해 발생한 열에 의해 가열되는 방열 싱크;상기 방열 싱크로 향하는 공기의 유동을 발생시켜 상기 공기의 유동이 상기 방열 싱크와 열교환하도록 하는 방열 팬; 및방열 덕트; 를 포함하고,상기 방열 덕트는,상기 방열 싱크와 열교환한 상기 공기의 유동의 제1 부분이 상기 본체의 외부로 배출되도록 안내하는 제1 배출 덕트부; 및상기 회전 바에 이슬이 맺히는 것을 방지하도록 상기 방열 싱크와 열교환한 상기 공기의 제2 부분이 상기 회전 바를 향해 배출되도록 안내하는 제2 배출 덕트부; 를 포함하는 냉장고.
- 제1항에 있어서,상기 제2 배출 덕트부는 상기 제1 배출 덕트부에서 분기되어 형성된 냉장고.
- 제1항에 있어서,상기 방열 덕트는 상기 방열 팬을 수용하는 팬 수용부와, 상기 팬 수용부의 하류 측에 마련되고 상기 방열 싱크를 수용하는 싱크 수용부를 더 포함하고,상기 제1 배출 덕트부는 상기 싱크 수용부의 하류 측에 마련된 냉장고.
- 제3항에 있어서,상기 방열 덕트는 상기 팬 수용부의 상류 측에 마련되고 상기 팬 수용부로 공기를 안내하는 흡입 덕트부를 더 포함하는 냉장고.
- 제4항에 있어서,상기 방열 덕트는 상기 방열 팬에 의해 형성된 공기의 유동에 의해 상기 흡입 덕트부의 내부로 상기 본체 외부의 공기가 흡입되도록 상기 흡입 덕트부의 상면에 형성된 외기 흡입구를 더 포함하는 냉장고.
- 제1항에 있어서,상기 방열 덕트는 상기 제1 배출 덕트부에 의해 안내되는 공기를 상기 제1 배출 덕트부의 외부로 배출하는 제1 외기 배출구와, 상기 제2 배출 덕트부에 의해 안내되는 공기를 상기 제2 배출 덕트부의 외부로 배출하는 제2 외기 배출구를 더 포함하는 냉장고.
- 제6항에 있어서,상기 제2 외기 배출구는 상기 제2 외기 배출구를 통해 배출된 공기가 상기 회전 바의 전면을 따라 상기 회전 바의 상단에서 상기 회전 바의 하단을 향해 흐르도록 상기 회전 바의 상단의 상측에 위치하는 냉장고.
- 제6항에 있어서,상기 방열 덕트는 상기 방열 덕트가 상기 제2 외기 배출구에 가까워지는 방향으로 갈수록 아래로 완만하게 경사진 기류 안내부를 더 포함하고,상기 제2 외기 배출구를 통해 배출되는 공기는 상기 회전 바를 향해 하강하는 냉장고.
- 제6항에 있어서,상기 방열 덕트는 상기 제2 외기 배출구를 통해 배출되는 기류의 속도를 증대시키도록 상기 방열 덕트가 상기 제2 외기 배출구에 가까워지는 방향으로 갈수록 좁아진 단면적을 갖는 가속부를 더 포함하는 냉장고.
- 제6항에 있어서,상기 제1 도어와 상기 제2 도어를 회전 가능하게 상기 본체에 연결하는 복수의 힌지들; 및상기 복수의 힌지들을 커버하도록 상기 본체의 상면의 앞 부분에 결합되는 탑 커버를 더 포함하는 냉장고.
- 제10항에 있어서,상기 방열 덕트는,방열 덕트 바디;상기 방열 덕트 바디의 상측에 결합된 방열 덕트 커버; 및상기 탑 커버의 아래에 배치되고 상기 탑 커버와 함께 상기 제2 외기 배출구를 형성하도록 상기 방열 덕트 바디와 상기 회전 바의 사이에 마련된 연장 덕트; 를 더 포함하는 냉장고.
- 제10항에 있어서,상기 탑 커버는 탑 커버 내부 공간을 포함하고,상기 제1 외기 배출구를 통해 배출되는 공기의 적어도 일부는 상기 탑 커버 내부 공간으로 유입되는 냉장고.
- 제12항에 있어서,상기 제1 외기 배출구는 상기 제1 외기 배출구를 통해 배출되는 공기의 제1 부분을 상기 탑 커버 내부 공간으로 배출하는 탑 커버 배출구와, 상기 제1 외기 배출구를 통해 배출되는 공기의 제2 부분을 상기 탑 커버의 외부로 배출하기 위해 상기 탑 커버 배출구와 구획된 외부 배출구를 포함하는 냉장고.
- 제13항에 있어서,상기 탑 커버는 상기 제1 외기 배출구를 통해 토출되는 공기의 적어도 일부가 상기 탑 커버 내부 공간으로 유입되는 탑 커버 유입구와, 상기 탑 커버 유입구를 통해 상기 탑 커버 내부 공간으로 유입된 공기가 상기 탑 커버의 외부로 배출되는 탑 커버 유출구를 포함하는 냉장고.
- 제13항에 있어서,상기 탑 커버는 상기 외부 배출구를 통해 배출되는 공기를 안내하는 배출 가이드부를 포함하는 냉장고.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202480024967.5A CN120917279A (zh) | 2023-09-22 | 2024-08-30 | 冰箱 |
| EP24868777.4A EP4667854A4 (en) | 2023-09-22 | 2024-08-30 | FRIDGE |
| US18/895,733 US20250102198A1 (en) | 2023-09-22 | 2024-09-25 | Refrigerator |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20230127485 | 2023-09-22 | ||
| KR10-2023-0127485 | 2023-09-22 | ||
| KR10-2024-0002514 | 2024-01-05 | ||
| KR1020240002514A KR20250044085A (ko) | 2023-09-22 | 2024-01-05 | 냉장고 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US18/895,733 Continuation US20250102198A1 (en) | 2023-09-22 | 2024-09-25 | Refrigerator |
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| Publication Number | Publication Date |
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| WO2025063802A1 true WO2025063802A1 (ko) | 2025-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/KR2024/096127 Pending WO2025063802A1 (ko) | 2023-09-22 | 2024-08-30 | 냉장고 |
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| Country | Link |
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| WO (1) | WO2025063802A1 (ko) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07218083A (ja) * | 1994-01-31 | 1995-08-18 | Aisin Seiki Co Ltd | 電子保冷庫 |
| US20100199686A1 (en) * | 2007-12-03 | 2010-08-12 | Carrier Corporation | Thermoelectric device for defogging and defrosting applications |
| KR101602270B1 (ko) * | 2015-03-31 | 2016-03-10 | 엘지전자 주식회사 | 냉장고 |
| KR102416936B1 (ko) * | 2017-11-29 | 2022-07-05 | 엘지전자 주식회사 | 냉장고 |
| KR102531202B1 (ko) * | 2018-07-05 | 2023-05-11 | 엘지전자 주식회사 | 냉장고 |
-
2024
- 2024-08-30 WO PCT/KR2024/096127 patent/WO2025063802A1/ko active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07218083A (ja) * | 1994-01-31 | 1995-08-18 | Aisin Seiki Co Ltd | 電子保冷庫 |
| US20100199686A1 (en) * | 2007-12-03 | 2010-08-12 | Carrier Corporation | Thermoelectric device for defogging and defrosting applications |
| KR101602270B1 (ko) * | 2015-03-31 | 2016-03-10 | 엘지전자 주식회사 | 냉장고 |
| KR102416936B1 (ko) * | 2017-11-29 | 2022-07-05 | 엘지전자 주식회사 | 냉장고 |
| KR102531202B1 (ko) * | 2018-07-05 | 2023-05-11 | 엘지전자 주식회사 | 냉장고 |
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