KR100673734B1 - Apparatus for supplying water of refrigerator dispensor - Google Patents

Apparatus for supplying water of refrigerator dispensor Download PDF

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Publication number
KR100673734B1
KR100673734B1 KR1020030042555A KR20030042555A KR100673734B1 KR 100673734 B1 KR100673734 B1 KR 100673734B1 KR 1020030042555 A KR1020030042555 A KR 1020030042555A KR 20030042555 A KR20030042555 A KR 20030042555A KR 100673734 B1 KR100673734 B1 KR 100673734B1
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KR
South Korea
Prior art keywords
water
lever
cold
hot water
dispenser
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KR1020030042555A
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Korean (ko)
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KR20050004927A (en
Inventor
최윤철
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엘지전자 주식회사
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Priority to KR1020030042555A priority Critical patent/KR100673734B1/en
Publication of KR20050004927A publication Critical patent/KR20050004927A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/08—Arrangements of devices for controlling, indicating, metering or registering quantity or price of liquid transferred
    • B67D7/12—Arrangements of devices for controlling, indicating, metering or registering quantity or price of liquid transferred operated by movement of delivery hose or nozzle or by devices associated therewith
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
    • B67D7/06—Details or accessories
    • B67D7/78—Arrangements of storage tanks, reservoirs or pipe-lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
    • F24H9/2021—Storage heaters
    • 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
    • F25D23/028—Details
    • 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
    • F25D2331/00—Details or arrangements of other cooling or freezing apparatus not provided for in other groups of this subclass
    • F25D2331/80—Type of cooled receptacles
    • F25D2331/806—Dispensers
    • 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
    • F25D2700/00—Means for sensing or measuring; Sensors therefor

Abstract

본 발명은 냉장고 디스펜서의 물공급장치에 관한 것으로, 급수원에 의해 공급되는 물을 여과하는 정수필터와, 상기 정수필터를 통과하면서 여과된 물을 공급하기 위한 물공급밸브와, 상기 물공급밸브에서 공급되는 물을 저장하여 도어측에 설치된 디스펜서로 공급하는 물탱크가 포함되는 냉장고 디스펜서의 물공급장치에 있어서, 상기 디스펜서에 설치되어 상기 물탱크로부터 물을 공급받는 온수레버 및 냉수레버와; 상기 물탱크에서 상기 온수레버 및 냉수레버로 공급되는 파이프의 도중에 설치되어 상기 온수레버 및 냉수레버에 선택적으로 물을 절환하여 공급하는 냉온수절환밸브와; 상기 냉온수절환밸브에서 상기 온수레버측으로 물이 공급되는 파이프에 설치되는 순간가열수단;을 포함하여 구성함으로써 소비자의 취식 욕구에 따라 디스펜서를 통해 냉수와 온수를 선택적으로 공급하도록 한 것이다.The present invention relates to a water supply device for a refrigerator dispenser, wherein a water filter for filtering water supplied by a water supply source, a water supply valve for supplying filtered water while passing through the water filter, and the water supply valve A water supply apparatus for a refrigerator dispenser including a water tank for storing water supplied to a dispenser installed at a door side, the water supply apparatus comprising: a hot water lever and a cold water lever installed in the dispenser and receiving water from the water tank; A cold / hot water switching valve installed in the middle of a pipe supplied from the water tank to the hot water lever and the cold water lever to selectively switch water to the hot water lever and the cold water lever; Instantaneous heating means is installed in the pipe for supplying water from the cold and hot water switching valve to the hot water lever side; configured to selectively supply cold water and hot water through the dispenser according to the customer's eating needs.

Description

냉장고 디스펜서의 물공급장치{APPARATUS FOR SUPPLYING WATER OF REFRIGERATOR DISPENSOR} Water supply unit of refrigerator dispenser {APPARATUS FOR SUPPLYING WATER OF REFRIGERATOR DISPENSOR}             

도 1은 종래 기술에 의한 냉장고 디스펜서의 물공급장치의 구성도.1 is a block diagram of a water supply device of a refrigerator dispenser according to the prior art.

도 2는 본 발명에 의한 냉장고 디스펜서의 물공급장치의 구성도.2 is a block diagram of a water supply device of a refrigerator dispenser according to the present invention.

도 3은 본 발명에 적용된 쉬스 히터의 구성도.3 is a block diagram of a sheath heater applied to the present invention.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

2 ; 급수원 4 ; 정수필터2 ; Water supply 4; Water filter

6 ; 물공급밸브 8 ; 제빙기6; Water supply valve 8; Ice maker

10 ; 물탱크 12 ; 물공급파이프10; Water tank 12; Water supply pipe

14 ; 온수레버측 파이프 16 ; 냉수레버측 파이프14; Hot water lever side pipe 16; Cold water lever side pipe

20 ; 디스펜서 22 ; 온수레버20; Dispenser 22; Hot water lever

24 ; 냉수레버 30 ; 냉온수절환밸브24; Cold water lever 30; Cold and hot water switching valve

40 ; 쉬스 히터 42 ; 온도센서40; Sheath heater 42; temperature Senser

본 발명은 냉장고의 디스펜서에 관한 것으로, 보다 상세하게는 냉수 및 온수를 선택적으로 공급하도록 한 냉장고 디스펜서의 물공급장치에 관한 것이다. The present invention relates to a dispenser of a refrigerator, and more particularly, to a water supply apparatus of a refrigerator dispenser to selectively supply cold water and hot water.

종래 냉장고의 디스펜서에서 물이 공급되는 구조는 도 1에 도시한 바와 같이, 급수원(2)에서 공급되는 물이 파이프를 통하여 정수필터(4)를 통과하여 물공급밸브(6)에서 제빙기(8)와 물탱크(10)로 공급되고, 물탱크(10)에서는 항상 일정한 수위의 물이 저장되어 디스펜서(20)를 통해 토출되도록 되어 있다.As shown in FIG. 1, in the structure of the conventional refrigerator, water is supplied from the dispenser of the refrigerator, and the water supplied from the water supply source 2 passes through the water filter 4 through a pipe, and the ice maker 8 in the water supply valve 6. ) Is supplied to the water tank (10), and the water tank (10) is always stored at a certain level of water is to be discharged through the dispenser (20).

이와 같이 일반적으로 디스펜서(20)는 냉동실 도어(1)의 전면에 설치되어 있어 도어(1)를 개방하지 않고도 물탱크(10)의 물을 냉장고 외부에서 취출할 수 있도록 되어 있다. As such, the dispenser 20 is generally installed at the front of the freezer compartment door 1 so that the water in the water tank 10 can be taken out of the refrigerator without opening the door 1.

그런데 종래의 디스펜스(20)의 물공급 구조는 물탱크(10)를 통해서 공급되는 물이 저온상태의 냉수이기 때문에 소비자는 온수를 취식하고자 하면 토출된 물을 다시 가열하여야 하는 번거로움이 있다.By the way, since the water supply structure of the conventional dispensing 20 is cold water in a low temperature state of the water supplied through the water tank 10, when the user wants to ate hot water, the consumer has to heat the discharged water again.

이와 같은 문제점에 착안하여 안출한 본 발명의 목적은 냉장고의 디스펜서를 통해서 냉수는 물론이거니와 소비자가 원하는 경우에 온수의 공급이 가능하도록 한 냉장고 디스펜서의 물공급장치를 제공함에 있다.An object of the present invention devised in view of such a problem is to provide a water supply device for a refrigerator dispenser that enables the supply of hot water as well as cold water through the dispenser of the refrigerator.

상기 목적을 달성하기 위한 본 발명은 급수원에 의해 공급되는 물을 여과하는 정수필터와, 상기 정수필터를 통과하면서 여과된 물을 공급하기 위한 물공급밸브와, 상기 물공급밸브에서 공급되는 물을 저장하여 도어측에 설치된 디스펜서로 공급하는 물탱크가 포함되는 냉장고 디스펜서의 물공급장치에 있어서, 상기 디스펜서에 설치되어 상기 물탱크로부터 물을 공급받는 온수레버 및 냉수레버와; 상기 물탱크에서 상기 온수레버 및 냉수레버로 공급되는 파이프의 도중에 설치되어 상기 온수레버 및 냉수레버에 선택적으로 물을 절환하여 공급하는 냉온수절환밸브와; 상기 냉온수절환밸브에서 상기 온수레버측으로 물이 공급되는 파이프에 설치되는 순간가열수단;을 포함하여 구성함을 특징으로 한다.The present invention for achieving the above object is a water filter for filtering the water supplied by the water supply source, a water supply valve for supplying the filtered water while passing through the water filter, and the water supplied from the water supply valve A water supply apparatus for a refrigerator dispenser including a water tank for storing and supplying a dispenser installed at a door side, the water supply apparatus comprising: a hot water lever and a cold water lever installed in the dispenser and receiving water from the water tank; A cold / hot water switching valve installed in the middle of a pipe supplied from the water tank to the hot water lever and the cold water lever to selectively switch water to the hot water lever and the cold water lever; And an instantaneous heating means installed in a pipe to which water is supplied from the cold / hot water switching valve to the hot water lever side.

상기 순간가열수단은 쉬스 히터인 것이 바람직하다.The instantaneous heating means is preferably a sheath heater.

상기 순간가열수단에는 통과되는 물이 소정 온도 이상의 온도를 유지하기 위하여 온도센서가 구비된 것이 바람직하다.The instantaneous heating means is preferably provided with a temperature sensor in order to maintain the temperature of the water passing through a predetermined temperature or more.

이하, 상기한 바와 같은 본 발명의 바람직한 실시예를 첨부도면에 의거하여 보다 상세하게 설명하며, 종래 기술과 동일 구성은 동일 부호를 사용한다.Hereinafter, a preferred embodiment of the present invention as described above in more detail based on the accompanying drawings, the same configuration as the prior art uses the same reference numerals.

첨부도면 도 2는 본 발명에 의한 냉장고 디스펜서의 물공급장치의 구성도이고, 도 3은 본 발명에 적용된 쉬스 히터의 구성도이다.2 is a configuration diagram of a water supply device for a refrigerator dispenser according to the present invention, and FIG. 3 is a configuration diagram of a sheath heater applied to the present invention.

이에 도시한 바와 같이, 본 발명의 디스펜서의 물공급장치는 급수원(2)에서 공급되는 물이 파이프를 통하여 정수필터(4)를 통과하여 물공급밸브(6)에서 제빙기(8)와 물탱크(10)로 공급되며, 물탱크(10)에서는 항상 일정한 수위의 물이 저장되어 디스펜서(20)를 통해 토출되는 구조는 동일하다.As shown in the drawing, in the water supply device of the dispenser of the present invention, the water supplied from the water supply source 2 passes through the water filter 4 through a pipe, and the ice maker 8 and the water tank in the water supply valve 6. It is supplied to (10), the water tank (10) is always the same structure that is stored at a certain level of water is discharged through the dispenser 20.

여기서 본 발명은 디스펜서(20)에는 물을 토출하기 위한 온/오프 수단으로서 온수레버(22)와 냉수레버(24)가 설치되어 있고, 물탱크(20)에서 디스펜서(20)로 물이 공급되는 파이프(12)의 도중에는 냉온수절환밸브(30)가 설치되어 있다.In the present invention, the dispenser 20 is provided with a hot water lever 22 and a cold water lever 24 as on / off means for discharging water, and water is supplied from the water tank 20 to the dispenser 20. The hot and cold water switching valve 30 is provided in the middle of the pipe 12.

또한, 냉온수절환밸브(30)는 온수레버(22)와 냉수레버(24)로 물을 공급하기 위한 파이프가 온수레버측 파이프(14)와 냉수레버측 파이프(16)로 분기되어 있으며, 온수레버측 파이프(14)에는 순간가열수단으로 쉬스 히터(Sheath Heater)(40)가 설치되어 있다.In addition, the cold and hot water switching valve 30 is a pipe for supplying water to the hot water lever 22 and the cold water lever 24 is branched into the hot water lever side pipe 14 and the cold water lever side pipe 16, the hot water lever The side pipe 14 is provided with a sheath heater 40 as an instantaneous heating means.

쉬스 히터(40)는 통상적으로 금속보호관에 전열선을 내장하고 그 사이에 열전도율과 절연성이 뛰어난 산화마그네슘(MgO)을 압축시켜 충진한 것으로, 외부의 물리적 충격에 견고하며 열에너지의 효율성이 높은 장점이 있을 뿐 아니라 용도에 따라 다양한 형태의 변형이 가능하다.Sheath heater 40 is typically filled with a heating wire in the metal protective tube and compressed by filling the magnesium oxide (MgO) excellent in thermal conductivity and insulation therebetween, it has the advantage of robust to external physical shock and high efficiency of thermal energy. In addition, various forms of modification are possible depending on the application.

이러한 쉬스 히터(40)에는 온수레버(22)를 통해 토출되는 물의 온도를 고온상태가 가능하도록 하기 위하여 온도센서(42)가 외부에 장착되어 있다. 일예로 온도센서(42)에 의해 토출되기 전 상태에서 쉬스 히터(40)의 물이 60℃ 가량되도록 온도센서가 온/오프되도록 제어되는 것이 바람직하다. 이러한 쉬스 히터(40)는 2KW 용량의 히터가 사용되는 것이 바람직하다.The sheath heater 40 is equipped with a temperature sensor 42 to the outside in order to enable a high temperature state of the water discharged through the hot water lever 22. For example, it is preferable that the temperature sensor is controlled to be turned on / off so that the water of the sheath heater 40 is about 60 ° C. before being discharged by the temperature sensor 42. The sheath heater 40 is preferably a heater of 2KW capacity.

이와 같이 구성되는 본 발명에 의한 냉장고 디스펜서의 물공급장치의 작용을 설명한다.The operation of the water supply device of the refrigerator dispenser according to the present invention configured as described above will be described.

평상시에 급수원(2)에서 공급되는 물은 정수필터(4)를 통과하면서 여과된 후 에 물공급밸브(6)에 의하여 제빙기(8)와 물탱크(10)로 공급되며, 물탱크(10)에는 항시 일정량의 물이 저온상태로 저장되어 있다.After the water supplied from the water supply source 2 is filtered while passing through the purified water filter 4, it is supplied to the ice maker 8 and the water tank 10 by the water supply valve 6, and the water tank 10 ) Is always stored at a low temperature.

이 상태에서 디스펜서(20)의 냉수레버(24)를 작동시키면 냉온수절환밸브(30)의 냉수밸브측이 개방되어 물탱크(10)에 저장되어 있던 저온의 물이 냉수레버측 파이프(16)를 통해 디스펜서(20)에서 공급되어 도어(1)를 개방하지 않은 상태에서 외부에서 냉수를 취식하게 된다.In this state, when the cold water lever 24 of the dispenser 20 is operated, the cold water valve side of the cold / hot water switching valve 30 is opened so that low temperature water stored in the water tank 10 opens the cold water lever side pipe 16. Is supplied from the dispenser 20 through the cold water is eaten from the outside in the state that the door 1 is not opened.

한편, 온수레버(22)를 작동시키는 경우에는 냉온수절환밸브(30)의 온수밸브가 개방되므로 물탱크(10)로부터 공급되는 물은 온수레버측 파이프(14)에 설치된 쉬스 히터(40)를 통과하게 되는데, 쉬스 히터(40)는 순간적으로 고온의 열을 발산시켜 통과되는 물을 가열함으로써 두,세컵 용량의 물을 15∼20초 정도의 시간동안 80∼100℃의 온도의 물로서 공급하게 된다.On the other hand, when the hot water lever 22 is operated, since the hot water valve of the cold / hot water switching valve 30 is opened, the water supplied from the water tank 10 passes through the sheath heater 40 installed in the hot water lever side pipe 14. The sheath heater 40 instantaneously dissipates high temperature heat and heats the water passing through it to supply two, three cups of water as water at a temperature of 80 to 100 ° C. for a time of about 15 to 20 seconds. .

이러한 쉬스 히터(40)는 상시적으로 60℃정도로 예열함으로써 온수레버(22)가 작동되기 전 상태에서 고온상태의 물을 예비하고 있게 되며, 온수레버(22)를 작동시키게 되면 토출되는 첫 번째 컵의 물이 곧바로 고온인 상태로 공급되도록 되어 있는 것이다.The sheath heater 40 is always preheated to about 60 ℃ to prepare the water in a high temperature state before the hot water lever 22 is operated, the first cup discharged when the hot water lever 22 is operated Water is to be supplied at a high temperature immediately.

이상에서 설명한 바와 같이, 본 발명에 의한 냉장고 디스펜서의 물공급장치는 냉수 및 제빙기의 물공급과 더불어 냉장고의 전면에 순간가열수단을 구비함으로써 상시적으로 60℃정도로 예열된 물이 온수레버의 작동에 의해 80℃∼100℃의 순 간온수를 공급함으로써 소비자가 선택적으로 냉수 및 온수를 취식할 수 있게 되어 다양한 소비자의 요구 및 기호에 부응할 수 있는 효과가 있다.
















As described above, the water supply device of the refrigerator dispenser according to the present invention is provided with the instantaneous heating means in front of the refrigerator together with the supply of cold water and ice maker, the water pre-heated to about 60 ℃ constantly to the operation of the hot water lever By supplying instantaneous hot water of 80 ° C to 100 ° C, consumers can selectively eat cold water and hot water, which can meet various consumer needs and preferences.
















Claims (3)

냉장고의 일측에 설치되어 급수원으로부터 공급되는 물을 저장하는 물탱크;A water tank installed at one side of the refrigerator to store water supplied from a water supply source; 상기 물탱크와 연결되는 파이프를 통해 상기 물탱크로부터 물을 공급받도록 냉장고의 도어측에 설치되며, 온수레버 및 냉수레버를 갖는 디스펜서;A dispenser installed at a door side of the refrigerator to receive water from the water tank through a pipe connected to the water tank, the dispenser having a hot water lever and a cold water lever; 상기 도어측에서 상기 파이프에 설치되어 상기 온수레버 및 냉수레버에 선택적으로 물을 절환하여 공급하는 냉온수절환밸브;를 포함하며,And a cold / hot water switching valve installed on the pipe at the door side to selectively switch water to the hot water lever and the cold water lever. 상기 파이프는 상기 냉온수절환밸브와 상기 온수레버를 연결하는 온수레버측 파이프; 그리고, 상기 냉온수절환밸브와 상기 냉수레버를 연결하는 냉수레버측 파이프;를 구비하고,The pipe is a hot water lever side pipe for connecting the cold and hot water switching valve and the hot water lever; And a cold water lever side pipe connecting the cold / hot water switching valve and the cold water lever. 상기 냉온수절환밸브에 의해 상기 냉수레버측 파이프와 분리되어 있는 상기 온수레버측 파이프 둘레에 설치되어 그 내부에 저장되는 물을 예열하는 가열수단;을 포함하는 것을 특징으로 하는 냉장고 디스펜서의 물공급장치.And heating means installed in the periphery of the hot water lever side pipe separated from the cold water lever side pipe by the cold / hot water switching valve to preheat the water stored therein. 제1항에 있어서,The method of claim 1, 상기 가열수단은 쉬스 히터인 것을 특징으로 하는 냉장고 디스펜서의 물공급장치.The heating means is a water supply device of the refrigerator dispenser, characterized in that the sheath heater. 제1항 또는 제2항에 있어서,The method according to claim 1 or 2, 상기 가열수단에는 저장되는 물이 일정 온도 이상의 온도를 유지하도록 가열수단을 온/오프 제어하기 위한 온도센서를 추가로 구비하는 것을 특징으로 하는 냉장고 디스펜서의 물공급장치.The heating means further comprises a temperature sensor for controlling the on / off of the heating means to maintain the temperature of the water stored above a predetermined temperature water supply apparatus of the refrigerator dispenser.
KR1020030042555A 2003-06-27 2003-06-27 Apparatus for supplying water of refrigerator dispensor KR100673734B1 (en)

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KR20190010310A (en) * 2017-07-21 2019-01-30 엘지전자 주식회사 Refrigerator

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KR100676970B1 (en) * 2005-04-06 2007-02-01 엘지전자 주식회사 Instant hot water supplier in refrigerator
KR100705089B1 (en) * 2005-04-11 2007-04-06 엘지전자 주식회사 Refrigerator mounting Instant hot wator supplier and control method of the same
WO2007011173A1 (en) * 2005-07-22 2007-01-25 Eui Kap Jung Hot water generation apparatus for refrigerator
KR101595360B1 (en) 2009-04-03 2016-02-18 엘지전자 주식회사 Refrigeratot having device for dispensing hot water
KR102377620B1 (en) * 2017-09-11 2022-03-24 엘지전자 주식회사 Refrigerator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190010310A (en) * 2017-07-21 2019-01-30 엘지전자 주식회사 Refrigerator
KR102474197B1 (en) * 2017-07-21 2022-12-06 엘지전자 주식회사 Refrigerator

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