KR20040083641A - Refrigerator - Google Patents

Refrigerator Download PDF

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Publication number
KR20040083641A
KR20040083641A KR1020030018186A KR20030018186A KR20040083641A KR 20040083641 A KR20040083641 A KR 20040083641A KR 1020030018186 A KR1020030018186 A KR 1020030018186A KR 20030018186 A KR20030018186 A KR 20030018186A KR 20040083641 A KR20040083641 A KR 20040083641A
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KR
South Korea
Prior art keywords
nitrogen
oxygen
refrigerator
water tank
vegetable
Prior art date
Application number
KR1020030018186A
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Korean (ko)
Inventor
김상배
박상호
강병규
Original Assignee
엘지전자 주식회사
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Application filed by 엘지전자 주식회사 filed Critical 엘지전자 주식회사
Priority to KR1020030018186A priority Critical patent/KR20040083641A/en
Publication of KR20040083641A publication Critical patent/KR20040083641A/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2317/00Details or arrangements for circulating cooling fluids; Details or arrangements for circulating gas, e.g. air, within refrigerated spaces, not provided for in other groups of this subclass
    • F25D2317/04Treating air flowing to refrigeration compartments
    • F25D2317/041Treating air flowing to refrigeration compartments by purification
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00General constructional features not provided for in other groups of this subclass
    • F25D2323/002Details for cooling refrigerating machinery
    • F25D2323/0022Details for cooling refrigerating machinery using multiple air flows
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2323/00General constructional features not provided for in other groups of this subclass
    • F25D2323/002Details for cooling refrigerating machinery
    • F25D2323/0024Filters in the air flow cooling refrigerating machinery

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)

Abstract

PURPOSE: A refrigerator is provided to supply nitrogen gas to a vegetable box to keep the freshness of vegetable for a long time and increase a dissolved oxygen amount in the water stored in a water tank. CONSTITUTION: A refrigerator includes an air pump(41) mounted to a main body of the refrigerator, and a separation filter(42) supplied with atmospheric air by the air pump and separating oxygen and nitrogen from each other. An oxygen supply tube(44) guides the oxygen gas separated by the separation filter to a water tank to increase a dissolved oxygen amount in the water stored in the water tank. A nitrogen supply tube(45) guides the separated nitrogen gas to a vegetable box.

Description

냉장고{REFRIGERATOR}Refrigerator {REFRIGERATOR}

본 발명은 냉장고에 관한 것으로서, 보다 상세히 설명하면 냉장고에 별도의 공간으로 구획되는 야채실에 질소가스를 주입하여 저장되는 야채 및 과일이 오랫동안 신선하게 보관될 수 있도록 함과 동시에 물탱크에 산소를 공급하여 용존산소량이 증가되도록 하는 냉장고에 관한 것이다.The present invention relates to a refrigerator, which will be described in more detail, by supplying oxygen to a water tank while injecting nitrogen gas into a vegetable compartment partitioned into a separate space in a refrigerator so as to keep fresh vegetables and fruits stored for a long time. It relates to a refrigerator for increasing the amount of dissolved oxygen.

도 1은 종래의 냉장고의 전면 사시도이다. 도시된 바와 같이, 냉장고는, 상하방향을 따라 형성된 격벽(12)을 사이에 두고 냉동실(21) 및 냉장실(31)이 각각 형성되어 있는 본체(11)와, 냉동실(21) 및 냉장실(31)의 각 전면 개구를 회동 개폐할 수 있도록 본체(11)에 각각 힌지결합되는 냉동실도어(23) 및 냉장실도어(33)를 구비하고 있다.1 is a front perspective view of a conventional refrigerator. As illustrated, the refrigerator includes a main body 11 in which a freezing compartment 21 and a refrigerating compartment 31 are formed, respectively, with partitions 12 formed in the vertical direction, and the freezing compartment 21 and the refrigerating compartment 31. It is provided with a freezing chamber door 23 and a refrigerating chamber door 33 which are hinged to the main body 11 so as to be able to rotate and open each front opening.

냉동실(21)의 후방영역에는 냉기를 전방으로 토출할 수 있도록 복수의 냉기토출구를 구비한 냉기덕트(22)가 설치되어 있으며, 냉기덕트(22)의 전방영역에는 상하방향을 따라 상호 이격되게 배치되어 음식물을 지지하는 복수의 선반(27)이 구비되어 있다. 냉동실(21)의 상부영역에는 얼음을 생성할 수 있도록 제빙기(29)가 설치되어 있다.In the rear region of the freezing chamber 21, a cold air duct 22 having a plurality of cold air discharge outlets is installed to discharge cold air forward, and spaced apart from each other along the vertical direction in the front area of the cold air duct 22. A plurality of shelves 27 are provided to support food. An ice maker 29 is installed in the upper region of the freezing chamber 21 to generate ice.

냉장실(31)의 후방 상부영역에는 냉동실(21)로부터 냉기를 공급받아 냉장실(31)의 전방 및 하방으로 토출하는 상부덕트(35)가 설치되어 있으며, 냉장실(31)의 내부에는 상하방향을 따라 상호 이격되게 배치되어 음식물을 지지하는 복수의 선반(37)이 설치되어 있다. 냉장실(31)의 하부영역에는 야채 및 과일 등을 저장할 수 있도록 야채실(39)이 형성되어 있으며, 야채실(39)의 후방 영역에는 도어를 닫은 상태에서도 물을 마실 수 있도록 장착된 디스팬서(25)로 냉수가 공급될 수 있도록 저수탱크(미도시)가 배치되어 있다.An upper duct 35 is provided in the upper rear region of the refrigerating compartment 31 to receive cold air from the freezing compartment 21 and discharge the cold air to the front and the lower sides of the refrigerating compartment 31. A plurality of shelves 37 are arranged to be spaced apart from each other and support food. In the lower region of the refrigerating compartment 31, a vegetable compartment 39 is formed to store vegetables and fruits, and a dispenser 25 mounted in the rear region of the vegetable compartment 39 to drink water even when the door is closed. A storage tank (not shown) is arranged to supply cold water to the furnace.

냉동실도어(23) 및 냉장실도어(33)에는 음식물을 수납하여 저장할 수 있도록상하방향을 따라 상호 이격되게 복수의 바스켓(24,34)이 각각 구비되어 있으며, 냉동실도어(23)의 전면에는 사용자가 냉동실도어(23)를 개방하지 아니하고 얼음 및 물을 인출할 수 있도록 디스팬서(25)가 구비되어 있다.The freezer door 23 and the refrigerating chamber door 33 are each provided with a plurality of baskets 24 and 34 spaced apart from each other along the up and down directions so that food can be stored and stored therein. A dispenser 25 is provided to draw ice and water without opening the freezer door 23.

그러나, 상기와 같이 구성된 종래 구조의 냉장고는 야채를 저장할 수 있도록 별도의 공간으로 구획된 야채실(39)에 야채를 저장할 시 외부공기 특히 산소에 의한 산화 및 각종 부식이 발생되어 신선도가 떨어지는 문제점이 있다. 또한, 물탱크에 저장되는 물은 오랜 시간이 지나면 내부에 포함되어 있던 산소가 증발하여 용존산소량이 줄어 체내에 흡수 시 체내 신진대사가 원활해 못하는 문제점이 있다.However, the refrigerator having the conventional structure configured as described above has a problem in that freshness is reduced due to oxidation and various corrosion caused by external air, especially oxygen, when storing vegetables in the vegetable compartment 39 partitioned into a separate space to store vegetables. . In addition, the water stored in the water tank has a problem that the metabolism in the body is not smooth when absorbed into the body by reducing the amount of dissolved oxygen by evaporation of oxygen contained therein after a long time.

상기와 같은 점을 감안하여 안출한 본 발명의 목적은 야채실에 질소가스를 공급하여 저장된 야채의 신선도가 오랫동안 유지되도록 함과 동시에 물탱크에 저장된 물의 용존산소량이 증가되도록 하는 냉장고를 제공함에 있다.An object of the present invention devised in view of the above point is to provide a refrigerator to supply nitrogen gas to the vegetable compartment to maintain the freshness of the stored vegetables for a long time and to increase the dissolved oxygen amount of the water stored in the water tank.

도 1은 종래의 냉장고의 전면 사시도,1 is a front perspective view of a conventional refrigerator,

도 2는 본 발명의 일 실시예인 냉장고의 내부 구조를 도시한 종단면도,2 is a longitudinal sectional view showing the internal structure of a refrigerator which is one embodiment of the present invention;

도 3은 도 2에 도시된 냉장고의 야채실 형성부를 부분적으로 단면하여 도시한 단면도,3 is a cross-sectional view partially showing a vegetable compartment forming part of the refrigerator shown in FIG. 2;

도 4는 도 2에 도시된 야채실의 부분절취사시도이고, 도 5는 냉장고의 제어블록도.Figure 4 is a partial cutaway perspective view of the vegetable room shown in Figure 2, Figure 5 is a control block diagram of the refrigerator.

* 도면의 주요 부분에 대한 부호의 설명 *Explanation of symbols on the main parts of the drawings

31 : 냉장실 39 : 야채실31: cold room 39: vegetable room

41 : 공기펌프 42 : 분리필터41: air pump 42: separation filter

43 : 물탱크 44 : 산소공급관43: water tank 44: oxygen supply pipe

45 : 질소공급관45: nitrogen supply pipe

상기한 바와 같은 본 발명의 목적을 달성하기 위한 냉장고는 적정온도 이하를 유지하는 냉장실 및 야채실이 구비되고, 사용자가 마시는 물이 저장되는 물탱크가 장착된 냉장고에 있어서, 상기 냉장고 본체에 장착된 공기펌프와, 상기 공기펌프로부터 외부 공기를 공급받아 산소 및 질소를 분리해내는 분리필터와, 상기 물탱크에 저장된 물의 용존산소량이 증가하도록 상기 분리필터에서 분리된 산소가스를 물탱크로 안내하는 산소공급관과, 상기 야채실에 질소가스가 공급되도록 상기 분리필터에서 분리된 질소가스를 야채실로 안내하는 질소공급관이 구비되어 구성된다.Refrigerator for achieving the object of the present invention as described above is provided with a refrigerator compartment and a vegetable compartment for maintaining a temperature below the appropriate temperature, the refrigerator equipped with a water tank for storing the user drinking water, the air mounted on the refrigerator main body A pump, a separation filter for separating oxygen and nitrogen by receiving external air from the air pump, and an oxygen supply pipe for guiding the oxygen gas separated from the separation filter to the water tank so as to increase the dissolved oxygen amount of the water stored in the water tank. And a nitrogen supply pipe for guiding the nitrogen gas separated from the separation filter to the vegetable chamber so that nitrogen gas is supplied to the vegetable chamber.

또한, 상기 질소공급관은 상기 야채실에 질소가스가 고르게 공급되도록 그 끝단부에 분사노즐이 포함되어 구성되는 것이 바람직하다.In addition, the nitrogen supply pipe is preferably configured to include a spray nozzle at its end so that nitrogen gas is evenly supplied to the vegetable chamber.

이하 본 발명의 일 실시예인 냉장고를 첨부된 도면을 참조하여 보다 상세히 설명하면 다음과 같고, 종래 구조와 동일한 부분에 대하여는 동일한 부호를 부여하여 설명하며, 그에 대한 상세한 설명은 도 1을 인용한다.Hereinafter, a refrigerator, which is an embodiment of the present invention, will be described in detail with reference to the accompanying drawings. Hereinafter, the same parts as in the conventional structure will be described with the same reference numerals, and detailed description thereof will be referred to with reference to FIG. 1.

도 2는 본 발명의 일 실시예인 냉장고의 내부 구조를 도시한 종단면도이고, 도 3은 도 2에 도시된 냉장고의 야채실 형성부를 부분적으로 단면하여 도시한 단면도이고, 도 4는 도 2에 도시된 야채실의 부분절취사시도이고, 도 5는 냉장고의 제어블록도로써, 도시된 바와 같이2 is a longitudinal cross-sectional view illustrating an internal structure of a refrigerator according to an embodiment of the present invention, FIG. 3 is a cross-sectional view partially showing a vegetable compartment forming part of the refrigerator shown in FIG. 2, and FIG. 4 is shown in FIG. 2. Partial cutaway perspective view of the vegetable compartment, Figure 5 is a control block diagram of the refrigerator, as shown

본 발명의 일 실시예인 씨에이 저장장치가 장착된 냉장고는 격벽(12)을 사이에 두고 냉동실(21) 및 냉장실(31)이 형성되어 있는 본체(11)와, 냉동실(21) 및 냉장실(31)의 각 전면 개구를 개폐하도록 본체(11)에 힌지결합되는 냉동실도어(23) 및 냉장실도어(33)와, 본체(11)의 냉장실(31) 후방영역 하측부에 형성된 기계실에 장착된 공기펌프(41)와, 상기 기계실에 장착되며 공기펌프(41)를 통해 외부 공기를 공급받아 산소 및 질소로 분리해내는 분리필터(42)와, 디스팬서(25)에 공급되는 물을 저장하는 물탱크(43)에 저장된 물의 용존산소량이 증가하도록 분리필터(42)와 물탱크(43)를 연결하는 산소공급관(44)과, 야채실(39) 내부에 질소가 공급되도록 분리필터(42)와 야채실(39)을 연결하는 질소공급관(45)으로 이루어진다. 또한, 야채실(38)에 접하는 질소공급관(45)의 끝단부에는 야채실(38) 내부에 질소가 고르게 공급되도록 하는 분사노즐(46)이 장착된다.In an embodiment of the present invention, a refrigerator equipped with a CS storage device includes a main body 11 having a freezer compartment 21 and a refrigerating compartment 31 formed between partition walls 12, a freezer compartment 21, and a refrigerating compartment 31. An air pump mounted in a freezer compartment 23 and a refrigerating compartment door 33 hinged to the main body 11 to open and close the front openings of the main body 11 and a machine room formed at a lower portion of the rear region of the refrigerating compartment 31 of the main body 11. 41, a separation filter 42 mounted in the machine room and receiving external air through an air pump 41 to separate oxygen and nitrogen, and a water tank storing water supplied to the dispenser 25 ( The oxygen supply pipe 44 connecting the separation filter 42 and the water tank 43 to increase the dissolved oxygen amount of the water stored in 43, and the separation filter 42 and the vegetable chamber 39 to supply nitrogen to the inside of the vegetable chamber 39. It consists of a nitrogen supply pipe (45) connecting. In addition, an injection nozzle 46 is installed at the end of the nitrogen supply pipe 45 in contact with the vegetable chamber 38 to uniformly supply nitrogen into the vegetable chamber 38.

상기와 같이 구성된 본 발명의 일 실시예인 냉장고는 상부덕트(35)를 통해 공급되는 냉기에 의해 냉장실(31) 및 야채실(39) 내부가 적정온도 이하로 유지되어 음식물 및 야채를 신선하게 보관하는 과정은 종래와 동일하며 질소 및 산소의 공급과정을 보다 상세히 설명하면 다음과 같다.The refrigerator according to the embodiment of the present invention configured as described above is a process of keeping food and vegetables fresh by keeping the inside of the refrigerating chamber 31 and the vegetable chamber 39 by the cold air supplied through the upper duct 35. Is the same as in the prior art and will be described in more detail the supply process of nitrogen and oxygen as follows.

기계실에 장착된 공기펌프(41)를 통해 외부공기가 유입되어 분리필터(42)에 전달되면, 분리필터(42)는 공급된 공기에 포함된 산소와 질소를 분리한 후, 분리된 산소 및 질소 중 산소는 산소공급관(44)을 통해 디스팬서(25)에 공급되는 물이 저장된 물탱크(43)에 유입되어 물탱크(43)에 저장된 물을 용존산소량을 증가시킨다. 또한, 분리필터(42)에서 분리된 질소는 질소공급관(45)에 유입되어 안내되고 질소공급관(45) 끝단에 형성된 분사노즐(46)을 통해 야채실(39) 내부에 고르게 공급된다. 야채실(39)에 공급된 질소가스는 비 활성가스이므로 다른 화합물과 반응하지 않는 성질을 갖고 있다. 따라서 산소가 공급되어 야채의 산화가 발생되는 것을 방지하게 되므로 야채실(39)에 저장된 야채가 오랜동안 신선한 상태로 유지될 수 있게되는 것이다.When external air flows through the air pump 41 mounted in the machine room and is delivered to the separation filter 42, the separation filter 42 separates oxygen and nitrogen contained in the supplied air, and then separates oxygen and nitrogen. Heavy oxygen flows into the water tank 43 in which the water supplied to the dispenser 25 is stored through the oxygen supply pipe 44 to increase the dissolved oxygen in the water stored in the water tank 43. In addition, the nitrogen separated from the separation filter 42 is introduced into the nitrogen supply pipe 45 and guided evenly to the inside of the vegetable chamber 39 through the injection nozzle 46 formed at the end of the nitrogen supply pipe 45. Since nitrogen gas supplied to the vegetable chamber 39 is an inert gas, it does not react with other compounds. Therefore, since oxygen is supplied to prevent the oxidation of the vegetables, the vegetables stored in the vegetable chamber 39 can be kept fresh for a long time.

이와 같이 본 발명은 공기펌프(41)를 통해 유입된 외부공기가 분리필터(42)에 의해 질소와 산소로 분리되고, 분리된 가스 중 산소는 산소공급관(44)을 통해 물탱크(43)에 공급됨으로써, 그 안에 저장된 물의 용존산소량이 증가되어 체내에 흡수 시 신진대사가 원활해지는 것이다. 또한 분리된 가스 중 질소는 질소공급관(45)을 통해 야채실(39)에 공급됨으로써, 산소에 의해 저장된 야채가 산화되거나, 다른 부식 등을 방지하여 오랜 시간동안 신선한 상태를 유지할 수 있게되는 것이다.As described above, the present invention separates the outside air introduced through the air pump 41 into nitrogen and oxygen by the separation filter 42, and oxygen in the separated gas is supplied to the water tank 43 through the oxygen supply pipe 44. By supplying, the amount of dissolved oxygen in the water stored therein is increased, and the metabolism is smoothed when absorbed into the body. In addition, the nitrogen in the separated gas is supplied to the vegetable chamber 39 through the nitrogen supply pipe 45, so that the vegetables stored by oxygen can be kept fresh for a long time by preventing oxidation or other corrosion.

이상에서 설명한 바와 같이 본 발명에 의한 냉장고는 분리필터에서 공기펌프를 통해 유입된 외부공기를 질소와 산소로 분리하고, 분리된 가스 중 산소는 물탱크(43)에 공급함으로써, 물탱크에 오랜 시간 물을 저장해두면 용존산소량이 감소되던 종래 구조에 비해 물탱크에 포함된 용존산소량이 증가되어 사용자가 물을 섭취 시 신진대사가 원활해지는 효과가 있다.As described above, the refrigerator according to the present invention separates external air introduced through the air pump from the separation filter into nitrogen and oxygen, and supplies oxygen from the separated gas to the water tank 43, thereby providing a long time to the water tank. When water is stored, the amount of dissolved oxygen contained in the water tank is increased compared to the conventional structure in which the amount of dissolved oxygen is reduced, so that the metabolism is smoothed when the user ingests water.

또한, 분리된 가스 중 질소는 야채실에 공급하여 야채실에 저장된 야채가 산소에 의해 산화되는 등의 부식을 방지함으로써, 보관된 야채가 오랜 시간동안 신선하게 유지되는 효과가 있다.In addition, the nitrogen in the separated gas is supplied to the vegetable chamber to prevent corrosion, such as oxidation of the vegetables stored in the vegetable chamber by the oxygen, there is an effect that the stored vegetables are kept fresh for a long time.

Claims (2)

적정온도 이하를 유지하는 냉장실 및 야채실이 구비되고, 사용자가 마시는 물이 저장되는 물탱크가 장착된 냉장고에 있어서,In the refrigerator equipped with a refrigeration chamber and a vegetable compartment for maintaining the temperature below the appropriate temperature, the water tank for storing the user drinking water, 상기 냉장고 본체에 장착된 공기펌프와,An air pump mounted to the refrigerator main body, 상기 공기펌프로부터 외부 공기를 공급받아 산소 및 질소를 분리해내는 분리필터와,A separation filter which separates oxygen and nitrogen by receiving external air from the air pump; 상기 물탱크에 저장된 물의 용존산소량이 증가하도록 상기 분리필터에서 분리된 산소가스를 물탱크로 안내하는 산소공급관과,An oxygen supply pipe for guiding the oxygen gas separated from the separation filter to the water tank so that the dissolved oxygen amount of the water stored in the water tank increases; 상기 야채실에 질소가스가 공급되도록 상기 분리필터에서 분리된 질소가스를 야채실로 안내하는 질소공급관이 구비되어 구성되는 것을 특징으로 하는 냉장고.And a nitrogen supply pipe configured to guide the nitrogen gas separated from the separation filter to the vegetable chamber so that nitrogen gas is supplied to the vegetable chamber. 제 1항에 있어서, 상기 질소공급관은 상기 야채실에 질소가스가 고르게 공급되도록 그 끝단부에 분사노즐이 포함되어 구성되는 것을 특징으로 하는 냉장고.The refrigerator according to claim 1, wherein the nitrogen supply pipe includes a spray nozzle at an end thereof so that nitrogen gas is evenly supplied to the vegetable chamber.
KR1020030018186A 2003-03-24 2003-03-24 Refrigerator KR20040083641A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007020581A1 (en) 2005-08-12 2007-02-22 Arcelik Anonim Sirketi A cooling device
CN106642968A (en) * 2016-11-11 2017-05-10 青岛海尔股份有限公司 Nitrogen production control method for refrigerating and freezing equipment and refrigerating and freezing equipment
CN108302862A (en) * 2017-12-29 2018-07-20 青岛海尔股份有限公司 Refrigerating device
CN113446803A (en) * 2020-03-24 2021-09-28 合肥华凌股份有限公司 Controlled atmosphere preservation device, fruit and vegetable preservation method based on refrigerator, controller and refrigerator

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007020581A1 (en) 2005-08-12 2007-02-22 Arcelik Anonim Sirketi A cooling device
CN106642968A (en) * 2016-11-11 2017-05-10 青岛海尔股份有限公司 Nitrogen production control method for refrigerating and freezing equipment and refrigerating and freezing equipment
CN108302862A (en) * 2017-12-29 2018-07-20 青岛海尔股份有限公司 Refrigerating device
US20200333062A1 (en) * 2017-12-29 2020-10-22 Haier Smart Home Co., Ltd. Refrigerating and freezing device
US11549739B2 (en) * 2017-12-29 2023-01-10 Haier Smart Home Co., Ltd. Refrigerating and freezing device
CN113446803A (en) * 2020-03-24 2021-09-28 合肥华凌股份有限公司 Controlled atmosphere preservation device, fruit and vegetable preservation method based on refrigerator, controller and refrigerator
CN113446803B (en) * 2020-03-24 2022-09-20 合肥华凌股份有限公司 Controlled atmosphere preservation device, fruit and vegetable preservation method based on refrigerator, controller and refrigerator

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