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WO2008004763A1 - Appareil de sous-refroidissement - Google Patents

Appareil de sous-refroidissement Download PDF

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Publication number
WO2008004763A1
WO2008004763A1 PCT/KR2007/002681 KR2007002681W WO2008004763A1 WO 2008004763 A1 WO2008004763 A1 WO 2008004763A1 KR 2007002681 W KR2007002681 W KR 2007002681W WO 2008004763 A1 WO2008004763 A1 WO 2008004763A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrode
supercooling apparatus
thin film
electrode unit
storage space
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.)
Ceased
Application number
PCT/KR2007/002681
Other languages
English (en)
Inventor
Su-Cheong Kim
Jong-Min Shin
Deok-Hyun Youn
Cheol-Hwan Kim
Won-Young Chung
Hoon-Bong 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
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Priority to PCT/KR2007/002681 priority Critical patent/WO2008004763A1/fr
Publication of WO2008004763A1 publication Critical patent/WO2008004763A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/12—Arrangements of compartments additional to cooling compartments; Combinations of refrigerators with other equipment, e.g. stove
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/04—Doors; Covers with special compartments, e.g. butter conditioners
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B2/00—Preservation of foods or foodstuffs, in general
    • A23B2/60—Preservation of foods or foodstuffs, in general by treatment with electric currents without heating effect
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B2/00—Preservation of foods or foodstuffs, in general
    • A23B2/80—Freezing; Subsequent thawing; Cooling
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVATION OF FOODS, FOODSTUFFS OR NON-ALCOHOLIC BEVERAGES; CHEMICAL RIPENING OF FRUIT OR VEGETABLES
    • A23B4/00—Preservation of meat, sausages, fish or fish products
    • A23B4/06—Freezing; Subsequent thawing; Cooling
    • 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F25B40/02—Subcoolers
    • 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
    • F25D21/06—Removing frost
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • 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
    • F25D29/00—Arrangement or mounting of control or safety devices
    • F25D29/006—Safety devices
    • 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
    • F25D2600/00—Control issues
    • F25D2600/04—Controlling heat transfer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
    • Y02P60/85—Food storage or conservation, e.g. cooling or drying

Definitions

  • the present invention relates to a supercooling apparatus, and more particularly, to a supercooling apparatus which can stably maintain a stored object in a supercooled state for an extended period of time by supplying energy by generating an electric field, and which can employ a thin film electrode as an electrode for generating the electric field.
  • An object of the present invention is to provide a supercooling apparatus which can stably maintain a stored object in a supercooled state for an extended period of time.
  • Another object of the present invention is to provide a supercooling apparatus which can cut down a manufacturing cost of an electrode unit and simplify an installation process of the electrode unit, by forming the electrode unit using a metal thin film.
  • Yet another object of the present invention is to provide a supercooling apparatus which can prevent phase transition of a stored object and stably maintain the stored object in a supercooled state for an extended period of time through an electrode unit made of a metal thin film and manufactured in various shapes.
  • Yet another object of the present invention is to provide a supercooling apparatus using an electrode made of an anti-corrosion or anti-oxidization material.
  • a supercooling apparatus including: a storage vault with a storage space formed therein to store an object; a cooling cycle for cooling the storage space; and an energy supply unit including an electrode unit made of a metal thin film and mounted in the storage vault, and a power source unit for supplying power to the electrode unit, wherein the object is maintained in a non-frozen state below a phase transition temperature.
  • the electrode unit is symmetrically formed at the top and bottom sides of the storage vault or the left and right sides thereof.
  • the storage vault includes an insulation member surrounding the electrode unit.
  • the electrode unit contains Al.
  • the electrode unit is at least one of a metal layer, a coating layer and a plating layer adhered to the storage vault.
  • a supercooling apparatus includes: a storage vault having a storage space for storing an object, and a thin film electrode layer formed respectively on the inner side faces of the storage space facing each other; a cooling cycle for supplying the cool air to the storage space; and a power source unit for supplying power to the electrode unit, wherein the object is maintained in a non-frozen state below a phase transition temperature.
  • FIG. 1 is a conceptional view illustrating a basic electrode structure of a supercooling apparatus for maintaining a supercooled state
  • Fig. 2 is a graph showing a supercooling phenomenon in the supercooling apparatus of Fig. 1;
  • FIG. 3 is an exemplary view illustrating the supercooling apparatus of Fig. 1 ;
  • FIG. 4 is a conceptional view illustrating an electrode structure applied to a supercooling apparatus in accordance with the present invention.
  • FIGS. 5 to 8 are exemplary views illustrating examples of the supercooling apparatus of Fig. 4. Mode for the Invention
  • a liquid for example, water is slowly cooled, it is not frozen temporarily at a temperature below 0°C.
  • water when water is supercooled, it has a kind of quasi- stable state. As this unstable balanced state is broken even by a slight stimulus, water tends to be changed into a more stable state. That is, if a small piece of material is put into the supercooled liquid, or if the liquid is suddenly shaken, the liquid is directly frozen so that the temperature of the liquid can reach the freezing point. Accordingly, the liquid maintains a stable balanced state at the temperature.
  • FIG. 1 is a conceptional view illustrating a basic electrode structure of a supercooling apparatus for maintaining a supercooled state.
  • a casing 1 with a storage space Sl formed therein includes two electrodes 10a and 10b facing the storage space Sl.
  • a power supply unit 2 is provided to apply a high AC voltage to the electrodes 10a and 10b.
  • the power supply unit 2 supplies energy to the storage space Sl between the electrodes 10a and 10b, by generating an electric field in the storage space Sl by applying the high AC voltage to the electrodes 10a and 10b.
  • the storage space Sl is cooled by a cooling cycle (not shown).
  • thermal energy is taken from the storage space Sl
  • another kind of energy namely, electric field energy
  • water or food containing moisture are stored in the storage space Sl, they can maintain a stable cooling state below a phase transition temperature for an extended period of time without being solidified or frozen.
  • Fig. 2 is a graph showing a temperature when water kept in the supercooling apparatus of Fig. 1 is cooled. Generally, if water is cooled below a phase transition temperature, it is phase-transited.
  • lfof distilled water is put into the storage space Sl of the casing 1 of Fig. 1.
  • the electrodes 10a and 10b facing the storage space Sl have wider faces than the storage space Sl.
  • the electrodes 10a and 10b are placed at an interval of 20mm.
  • the casing 1 is made of an acrylic material, and inserted and cooled in a cooling space uniformly supplied with the cool air (namely, a refrigerating apparatus which does not have a supplementary electric field generator except the electrodes 10a and 10b).
  • the power supply unit 2 applies 0.9 lkV(6.76mA) and 2OkHz of AC voltage to the electrodes 10a and 10b, and the temperature inside the cooling space is about -7 °C.
  • the supercooled state (non-frozen state) can be stably maintained for an extended period of time, by applying energy through the electric field.
  • Fig. 3 is an exemplary view illustrating the supercooling apparatus of Fig. 1.
  • the supercooling apparatus of Fig. 3 is an indirect-cooling type supercooling apparatus having a cooling cycle.
  • the supercooling apparatus includes a casing 110 having one open face, a storage space A formed therein, and a shelf 130 for partially partitioning the storage space A, and a door 120 for opening and closing the opened face of the casing 110.
  • a freezing cycle 30 of the indirect cooling type supercooling apparatus includes a compressor 32 for compressing a refrigerant, an evaporator 33 for generating the cool air (Indicated by arrows) for cooling the storage space A or a stored object, a fan 34 for forcibly moving the generated cool air, a suction duct 36 for introducing the cool air into the storage space A, and a discharge duct 38 for inducing the cool air passing through the storage space A to the evaporator 33.
  • the freezing cycle 30 may include a condenser, a drier and an expansion device.
  • the cooling cycle can be embodied as the direct cooling type as well as the indirect cooling type.
  • Electrode units 50a and 50b are formed between the inner faces 112a and 112c facing the storage space A and the outer faces of the casing 110.
  • the electrode units 50a and 50b are installed to face the storage space A, for applying an electric field to the whole storage space A.
  • the storage space A is spaced apart from the ends of the electrode units 50a and 50b at predetermined intervals in the inward directions of the electrode units 50a and 50b or the center direction, so that a uniform electric field can be applied to the storage space A or the stored object.
  • the suction duct 36 and the discharge duct 38 are formed in the inner face 112b of the casing 110.
  • the surfaces of the inner faces 112a, 112b and 112c of the casing 110 are made of a hydrophobic material, and thus are not frozen during a supercooling mode due to reduction of surface tension of water such as moisture.
  • the outer faces and the inner faces 112a, 112b and 112c of the casing 110 are made of an insulation material, for preventing the user from receiving an electric shock from the electrode units 50a and 50b, and preventing the stored object from electrically contacting the electrode units 50a and 50b through the inner faces 112a, 112b and 112c.
  • an electrode is normally made of a copperplate. If a temperature variation occurs, the electrode and the electrode- formed insulation material (preferably, the inside of the sidewall or the shelf of the supercooling apparatus) may be separated from each other due to different linear expansion coefficients. In addition, as the electrode unit is bent due to different linear expansion coefficients, the supercooling apparatus cannot attain target distribution of an electric field. If the electrode is made of a copperplate and is not formed in a flat shape, although the electrode is adhered to the insulation material (preferably, the inside of the sidewall or the shelf of the supercooling apparatus), it is bent due to temperature differences. As the electrode has a curvature, it is easily separated from the insulation material. When the electrode made of the copperplate is applied to the supercooling apparatus defining a high humidity space, the electrode is easily corroded or oxidized. A stored object may be contaminated by such corrosion and oxidization.
  • a manufacturing method of the electrode can be changed to solve the foregoing problems.
  • Fig. 4 is a conceptional view illustrating an electrode structure applied to a su- percooling apparatus in accordance with the present invention.
  • Electrode units Ia and Ib made of a metal thin film are inserted into insulation materials 2a and 2b, respectively.
  • the electrode units Ia and Ib are printed inside a sidewall or shelf of the supercooling apparatus, and surrounded by the insulation materials 2a and 2b.
  • a power supply device 3 supplies high voltage power to the electrode units Ia and Ib.
  • the electrode units Ia and Ib are preferably coated or plated inside the sidewall or the shelf of the supercooling apparatus.
  • the electrode units Ia and Ib are preferably made of a metallic material or a flexible material such as an Al tape.
  • the electrode units Ia and Ib are made of the metallic material, they have high conductivity. If the electrode units Ia and Ib are made of the flexible material, they are neither separated from the inside of the sidewall or the shelf nor bent in spite of contraction or expansion by temperature differences. Moreover, the electrode units Ia and Ib made of the Al material are not corroded and oxidized in a high humidity region, to prevent contamination of a stored object. As the electrode units Ia and Ib are not changed in quality by the corrosion and oxidization, they can stably generate an electric field.
  • the electrode is manufactured by printing the metal thin film on the insulation material (preferably, the inner wall or the shelf of the supercooling apparatus), since the metal thin film is very thin, the electrode may be expanded or contracted but is not separated by temperature differences. In addition, the electrode is not bent due to temperature differences, to maintain target distribution of the electric field.
  • the metal thin film is thinner than the general copperplate and less affected by temperature differences. Therefore, the electrode can be manufactured in various shapes.
  • the electrode unit for supplying energy by generating the electric field can be adhered to a storage vault of the supercooling apparatus by metal layer printing, coating or plating. That is, the manufacturing method of the electrode using the metal thin film can adopt coating and plating as well as printing.
  • the electrode unit can be embodied as a metal layer, a coating layer or a plating layer adhered to the storage vault.
  • the manufacturing method of the electrode described above is nothing but an example. Any kinds of methods that can adhere the metal thin film to one side face can be used. That is, the metal thin film functioning as the thin film electrode layer can be adhered to the storage vault by printing, coating or plating.
  • FIGs. 5 to 8 are exemplary views illustrating examples of the supercooling apparatus of Fig. 4.
  • Fig. 5 shows an indirect cooling type supercooling apparatus.
  • the su- percooling apparatus of Fig. 5 is identical to the supercooling apparatus described above except the electrode units 50a and 50b. While the electrode units 50a and 50b are made of a copperplate in Fig. 3, electrode units 50c and 50d are made of a metal thin film (preferably, Al tape) in Fig. 5.
  • the electrode units 50c and 50d are manufactured by printing the metal thin film (preferably, Al tape) inside a casing 112a and 112c of the supercooling apparatus, the electrode units 50c and 50d are neither separated from the casing 112a and 112c nor bent.
  • the metal thin film preferably, Al tape
  • Fig. 6 illustrates a direct cooling type supercooling apparatus which includes a cooling cycle having a compressor 32 for compressing a refrigerant, and an evaporator 39 installed in a casing 110, for evaporating the refrigerant.
  • an electrode unit 5Oe and a shelf 130 which is an insulation member surrounding the electrode unit 5Oe.
  • a metal thin film preferably, Al tape
  • the electrode unit 50e made of the metal thin film (preferably, Al tape) and surrounded by the shelf 130 is not separated from the shelf 130 in expansion or contraction by temperature differences.
  • Fig. 7 is a cross-sectional view illustrating a supercooling apparatus. As shown in
  • an electrode 13c is formed at the center portion, and a hollow cylindrical electrode 13d surrounds the electrode 13c.
  • the electrode 13c may be a conductive wire or a cylindrical or hollow cylindrical electrode.
  • the supercooling apparatus includes a device for cooling an object such as a cooling cycle having a compressor 32 for compressing a refrigerant, and an evaporator 39 installed in a casing 110, for evaporating the refrigerant, and a device for supplying energy.
  • the electrode unit is placed to maintain a supercooled state by generating a strong electric field toward the center portion and intensively supplying energy to a specific region.
  • the electrode is not flat but has a curvature. If the electrode is made of a copperplate, the electrode 13c or the hollow cylindrical electrode 13d may be easily separated or bent due to temperature differences. Such separation or bending prevents the electrode from maintaining the supercooled state by generating a strong electric field toward the center portion and intensively supplying energy to a specific region as designed. However, if the electrode is manufactured by printing a metal thin film (preferably, Al tape) in a container, the electrode is not affected by the curvature.
  • a metal thin film preferably, Al tape
  • the electrode unit it is easier to form the electrode unit by using the metal thin film than the copperplate. As the electrode unit is not separated in expansion or contraction by temperature differences, the electrode unit can generate a designed type of electric field. If the electrodes 13c and 13d are made of a more flexible material among the metal thin films than the copperplate, it is easier to manufacture the electrode with the curvature by using the metal thin film than the copperplate.
  • FIG. 8 is another cross-sectional view illustrating the supercooling apparatus of Fig.
  • the supercooling apparatus also includes an evaporator (not shown) for evaporating a refrigerant, and a compressor (not shown) for compressing the refrigerant.
  • an electrode 13c placed at the center portion is cylindrical or hollow cylindrical, expansion or contraction by temperature differences becomes a more serious problem due to a curvature.
  • a hollow cylindrical electrode 13d surrounding the electrode 13c is in the same situation. If the electrode is made of a copperplate, it may be easily separated or bent due to temperature differences. Such separation or bending prevents the electrode from maintaining a supercooled state by generating a strong electric field toward the center portion and intensively supplying energy to a specific region as designed.
  • the electrode is manufactured by printing a metal thin film (preferably,
  • the electrode in a container, the electrode is not affected by the curvature. In addition, it is easier to form the electrode unit by using the metal thin film than the copperplate. As the electrode unit is not separated in expansion or contraction by temperature differences, the electrode unit can generate a designed type of electric field. If the electrodes 13c and 13d are made of a more flexible material among the metal thin films than the copperplate, it is easier to manufacture the electrode with the curvature by using the metal thin film than the copperplate. Industrial Applicability
  • the present invention can stably maintain the stored object in the supercooled state for the extended period of time.
  • the present invention can cut down the manufacturing cost of the electrode unit and simplify the installation process of the electrode unit, by forming the electrode unit by using the metal thin film. As the electrode unit is neither separated nor bent in spite of temperature differences of the supercooling apparatus, the electrode unit can generate the electric field as designed.
  • the present invention can prevent phase transition of the stored object and stably maintain the stored object in the supercooled state for the extended period of time through the electrode unit made of the metal thin film and manufactured in various shapes.
  • the present invention can stably perform the non-freezing operation and prevent contamination of the stored object, by using the electrode made of the anti-corrosion or anti-oxidization material.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Zoology (AREA)
  • Polymers & Plastics (AREA)
  • Food Science & Technology (AREA)
  • Wood Science & Technology (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Freezing, Cooling And Drying Of Foods (AREA)
  • Production, Working, Storing, Or Distribution Of Ice (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Hybrid Cells (AREA)
  • Containers, Films, And Cooling For Superconductive Devices (AREA)

Abstract

La présente invention concerne un appareil de sous-refroidissement qui peut maintenir de manière stable un objet stocké dans un état sous-refroidi sur une durée prolongée par alimentation d'énergie et génération d'un champ électrique, cet appareil pouvant utiliser une électrode à film mince telle qu'une électrode pour générer le champ électrique. L'appareil de sous-refroidissement comprend une chambre de stockage (110) dans laquelle est formé un espace (A) pour stocker un objet; un cycle de refroidissement pour envoyer l'air froid dans l'espace de stockage et une unité d'alimentation d'énergie comprenant une unité d'électrodes (50c, 50d) constituée d'un film mince métallique et montée dans la chambre de stockage (110), et une source d'énergie (3) pour envoyer l'énergie dans l'unité d'électrodes (50c, 50d).
PCT/KR2007/002681 2006-07-01 2007-06-01 Appareil de sous-refroidissement Ceased WO2008004763A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2007/002681 WO2008004763A1 (fr) 2006-07-01 2007-06-01 Appareil de sous-refroidissement

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20060061683 2006-07-01
KR10-2006-0061683 2006-07-01
PCT/KR2007/002681 WO2008004763A1 (fr) 2006-07-01 2007-06-01 Appareil de sous-refroidissement

Publications (1)

Publication Number Publication Date
WO2008004763A1 true WO2008004763A1 (fr) 2008-01-10

Family

ID=38894702

Family Applications (7)

Application Number Title Priority Date Filing Date
PCT/KR2007/002681 Ceased WO2008004763A1 (fr) 2006-07-01 2007-06-01 Appareil de sous-refroidissement
PCT/KR2007/002680 Ceased WO2008004762A1 (fr) 2006-07-01 2007-06-01 Appareil de sous-refroidissement
PCT/KR2007/002683 Ceased WO2008004765A2 (fr) 2006-07-01 2007-06-01 Appareil de sous-refroidissement
PCT/KR2007/002682 Ceased WO2008004764A2 (fr) 2006-07-01 2007-06-01 Supercooling apparatus
PCT/KR2007/002679 Ceased WO2008004761A2 (fr) 2006-07-01 2007-06-01 Appareil de sous-refroidissement
PCT/KR2007/002720 Ceased WO2008004770A1 (fr) 2006-07-01 2007-06-05 Appareil de sous-refroidissement et procédé de décongélation d'une électrode de cet appareil
PCT/KR2007/002721 Ceased WO2008004771A1 (fr) 2006-07-01 2007-06-05 Appareil de sous-refroidissement

Family Applications After (6)

Application Number Title Priority Date Filing Date
PCT/KR2007/002680 Ceased WO2008004762A1 (fr) 2006-07-01 2007-06-01 Appareil de sous-refroidissement
PCT/KR2007/002683 Ceased WO2008004765A2 (fr) 2006-07-01 2007-06-01 Appareil de sous-refroidissement
PCT/KR2007/002682 Ceased WO2008004764A2 (fr) 2006-07-01 2007-06-01 Supercooling apparatus
PCT/KR2007/002679 Ceased WO2008004761A2 (fr) 2006-07-01 2007-06-01 Appareil de sous-refroidissement
PCT/KR2007/002720 Ceased WO2008004770A1 (fr) 2006-07-01 2007-06-05 Appareil de sous-refroidissement et procédé de décongélation d'une électrode de cet appareil
PCT/KR2007/002721 Ceased WO2008004771A1 (fr) 2006-07-01 2007-06-05 Appareil de sous-refroidissement

Country Status (2)

Country Link
KR (13) KR100850608B1 (fr)
WO (7) WO2008004763A1 (fr)

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WO2008150105A2 (fr) * 2007-06-04 2008-12-11 Lg Electronics, Inc. Appareil de surfusion
WO2008150108A2 (fr) * 2007-06-04 2008-12-11 Lg Electronics, Inc. Appareil de surfusion
KR102709377B1 (ko) * 2018-10-02 2024-09-25 엘지전자 주식회사 제빙기 및 이를 포함하는 냉장고
KR101476191B1 (ko) * 2008-05-30 2014-12-24 엘지전자 주식회사 식품 보관장치 및 식품 보관방법
KR101443638B1 (ko) * 2008-05-30 2014-09-23 엘지전자 주식회사 냉장고
KR101023357B1 (ko) * 2008-08-07 2011-03-18 엘지전자 주식회사 슬러시 제조 용기, 슬러시 제조 장치 및 이들을 포함하는냉각 장치
KR101507802B1 (ko) * 2008-08-19 2015-04-03 엘지전자 주식회사 냉장고
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