KR900006028B1 - A heat exchange and water height controlling device in dish washing machine - Google Patents

A heat exchange and water height controlling device in dish washing machine Download PDF

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KR900006028B1
KR900006028B1 KR1019880011056A KR880011056A KR900006028B1 KR 900006028 B1 KR900006028 B1 KR 900006028B1 KR 1019880011056 A KR1019880011056 A KR 1019880011056A KR 880011056 A KR880011056 A KR 880011056A KR 900006028 B1 KR900006028 B1 KR 900006028B1
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South Korea
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water
washing
washing tank
level control
heat
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KR1019880011056A
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Korean (ko)
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KR900002747A (en
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임원규
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삼성전자 주식회사
안시환
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/46—Devices for the automatic control of the different phases of cleaning ; Controlling devices

Abstract

The controller connected with heat recovery and storage means, level control means mounted on an outer washing tank, gives soft water level controlling or water flow controlling, increases energy efficiency and drying efficiency through heat exchanging in washing, rinsing, drying process. The machine includes level controlling means (B), level controller (5) connected with water supply valve (7), solenoid valve (9); heat recovery and storage means (A), cold water chamber (4) exchanging heat with hot water of washing tank (2) in washing or rinsing; condensing steam in drying.

Description

식기세척기의 열교환 및 적정수위 제어장치Heat exchanger and proper level control device of dishwasher

제1도는 본 발명의 설치 상태를 보인 식기세척기의 사시도.1 is a perspective view of a dish washer showing the installation state of the present invention.

제2도는 본 발명의 설치 상태를 구체적으로 보인 식기세척기의 개략 단면도.2 is a schematic cross-sectional view of the dishwasher showing the installation state of the present invention in detail.

제3도는 종래 발명이 적용된 식기세척기의 사시도.3 is a perspective view of a dishwasher to which the present invention is applied.

제4도는 종래 발명이 적용된 식기세척기의 개략도.4 is a schematic view of a dishwasher to which the present invention is applied.

* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1 : 식기세척기 2 : 세척조1: dishwasher 2: washing tank

3 : 히터 A : 열회수 및 저장수단3: heater A: heat recovery and storage means

4 : 수실 B : 적정수위 제어수단4: water chamber B: proper level control means

5 : 수위 제어장치 6 : 분기관5: level control device 6: branch pipe

7 : 급수 밸브 9 : 솔레노이드 밸브7: water supply valve 9: solenoid valve

본 발명은 식기세척기의 열교환·및 적정수위 제어장치에 관한 것으로 특히 세척조 외주면에 직정수량을 미리 저장할 수 있는 열회수 및 저장수단과 적정수위 제어수단을 연결 설치하여 세척, 헹굼, 건조 행정시에 열교환 작용이 이루어지도록 함으로서 수위조절이 원활함은 물론 에너지 절감효과 및 건조기능을 향상시킬 수 있으며 또한 적정수량을 적합하게 제어할 수 있도록 한 식기세척기의 열교환 및 적정수위 제어장치에 관한 것이다.The present invention relates to a heat exchange and proper level control device of a dishwasher, in particular, by connecting the heat recovery and storage means and the appropriate level control means that can be stored in advance in the outer peripheral surface of the washing tank heat exchange action during washing, rinsing, drying stroke This is to achieve a smooth level control, as well as to improve the energy saving effect and drying function, and also relates to a heat exchanger and a proper level control device of the dishwasher to control the appropriate amount.

종래의 경우 타임머(Timer)동작에 의해 모든 행정(세척, 헹굼, 건조)이 순차적으로 진행되는 식기세척기(1)있어서는 도면 제3도 및 제4도에 도시된 바와 같이 세척조(2) 내부로 급수관(8)을 통해 급수되는 세척수의 양에 따라 부구가 부침작용되면서 리드스위치를 동작시켜 세척수의 수위를 감지할 수 있는 수위 제어장치(5)가 설치되어 있으며, 또한 세척수가 급수될때마다 히터(3)가 세척수를 적정온도 이상으로 직접 가열시켜주는 구조이므로 사용자가 식기세척기(1)를 사용함에 있어서 수위 제어장치(5)에 각종 이물질(음식찌꺼기 및 기름등)이 부착됨에 따라 동작이 원활하지 못하므로 급수불능 혹은 과다급수로 인한 이상수위가 자주발생함은 물론이고, 사용자의 부주위로 기기가 기울어져 있을 경우에는 수위 제어장치(5)의 오동작로 인해 수위감지를 할수가 없으므로 정화한 수량을 공급받을 수 없으며 또한, 세척 및 헹굼시 세척조(2) 내부로 물이 공급될때마다 히터(3)을 가동시켜 급수된 물을 일정온도(약 65℃) 이상으로 가열시켜줘야 하므로 소비전력 및 소비시간이 증가되는 문제점이 있었으며 건조 행정시에는 히터(3) 가동에 의해 발생된 수증기를 세척조(2) 외부로 강제 배출시키는데 이때, 수중기를 외부로 완전히 배출시키지 못할 경우에는 건조완료후 세척조(2)내의 온도강하로 수증기가 건조된 식기표면에 응축되어 지므로 식기의 건조상태가 불량할 뿐만 아니라 단열과 방음을 위해 별도의 단열재와 방음재를 세척조(2) 외주면에 부착시켜야 하는등 여러 결점이 있었다.In the conventional case, in the dish washing machine 1 in which all the strokes (washing, rinsing, drying) are sequentially performed by a timer operation, the washing tank 2 is moved into the washing tank 2 as shown in FIGS. 3 and 4. According to the amount of wash water supplied through the water supply pipe 8, the water level control device 5 is installed to detect the level of the washing water by operating the reed switch while the mouth is inactive, and each time the washing water is supplied, a heater ( 3) Because the structure directly heats the washing water above the proper temperature, the user does not operate smoothly because various foreign substances (food waste and oil, etc.) are attached to the water level control device 5 when the user uses the dishwasher 1. As a result, abnormal water level is often caused by inability to supply water or excessive water supply. In addition, when the device is inclined around the user's ineligibility, the water level control device 5 may malfunction. Since it is not possible to supply purified water, and when water is supplied into the washing tank 2 during washing and rinsing, the heater 3 must be operated to heat the water supplied to a predetermined temperature (about 65 ° C.) or more. There was a problem that the power consumption and consumption time increased, and during the drying stroke, water vapor generated by the operation of the heater 3 is forcibly discharged to the outside of the washing tank 2. In this case, if the submersible is not completely discharged to the outside, after drying is completed Water vapor condenses on the dried surface of the dish due to the temperature drop in the washing vessel (2). As a result, the dryness of the dish is not only poor, but additional insulation and sound insulation must be attached to the outer circumferential surface of the washing vessel (2) for insulation and sound insulation. There was this.

따라서 본 발명은 상기와 같은 결점을 해소시키기 위해서 식기세척기의 세척조 외주면에 적정수량(1회 사용량)을 미리 저장시킬 수 있는 열회수 및 저장수단과 적정수위 제어수단을 연결 설치하여 원활하게 적정수위를 제어할 수 있도록 함과 세척조 내부의 히터에 의해 가열된 세척수와 열회수 및 저장수단내의 찬물이 상호 열교환 되도록 함과 아울러 건조시에는 고온의 수중기가 냉수공급된 열회수 및 저장수단이 부착된 부위의 세척조 내부 표면에 온도차에 의해 응축되도록 함과 이중벽 구조이므로 방음 및 단열효과를 향상시킬 수 있도록 안출된 것으로 첨부된 도면에 의하여 그 구성과 작용효과를 상세히 설명하면 다음과 같다.Therefore, the present invention is connected to the heat recovery and storage means and the appropriate level control means that can be stored in advance in the outer circumferential surface of the washing tank of the dishwasher in order to alleviate the drawbacks described above, and smoothly control the proper water level The internal surface of the washing tank at the place where the heat recovery and storage means to which the hot water is supplied with cold water is attached to each other and the washing water heated by the heater inside the washing tank and the cold water in the storage means are mutually exchanged. The condensation by the temperature difference and the double-walled structure is designed to improve the sound insulation and insulation effect as described in detail the configuration and effect by the accompanying drawings as follows.

식기세척기(1) 구조에서 히터(3)가 내부로 설치된 세척조(2) 외주면 임의 위치에 적정수량(세척 혹은 헹굼시 1회 사용량)을 미리 저장할 수 있는 열회수 및 저장수단(A)인 박스형 수실(4)을 밀착설치하여 열전도되면서 열교환 가능케 하고, 상기 수실(4) 상부에는, 마이크로스위치(5a)를 동작시키는 부구(5b)와, 상기 부구(5b)가 작동가능케 내설된 수위탱크(5c)로 이루어진 적정수위 제어수단(B)인 수위 제어장치(5)를 연결시킴과 하부에는, 분기관(6)을 접속시켜 일부는 급수밸브(7)와 연결시키고, 타관은 세척조(2) 내부로 끼워진 급수관(8)과 연통되는 솔레노이드 밸브(9)에 연결시켜 구성된 것으로 미설명부호 10은 수도전, 11은 세척펌프, 12는 케이싱 아웃, 13은 노즐, 14는 배수펌브인 것이다.In the dishwasher 1 structure, a box-type water chamber, which is a heat recovery and storage means (A), capable of storing an appropriate amount (one time when washing or rinsing) in advance at an arbitrary position on the outer circumferential surface of the washing tank 2 in which the heater 3 is installed. 4) is installed in close contact with each other to enable heat exchange while conducting heat conduction, and an upper portion of the water chamber 4 includes a float 5b for operating the micro switch 5a and a float tank 5c in which the float 5b is operable. The water level control device 5, which is a proper water level control means B, is connected to the lower part, and a branch pipe 6 is connected to a part thereof, and a part thereof is connected to the water supply valve 7, and the other pipe is fitted into the washing tank 2. It is configured to connect to the solenoid valve (9) in communication with the water supply pipe (8), reference numeral 10 is a water faucet, 11 is a cleaning pump, 12 is a casing out, 13 is a nozzle, 14 is a drain pump.

이와같이 구성된 본 발명의 작용효과를 설명하면 다음과 같다.Referring to the effects of the present invention configured as described above are as follows.

도면 제1도 및 제2도에 도시된 바와 같이 본 발명은 히터(3) 가열에 의해 세척조(2) 내부로 급수된 세척수를 데워주는 식기세척기(1)에서 상기 세척조(2) 외주면 소정의 위치에 세척 및 헹굼 행정시에 1회 사용할 수 있는 물의 양 즉, 적정수량을 미리 저장할 수 있도록 통형의 열회수 및 저장수단(A)을 설치하여 상부로 이물질이 섞여있지 않은 깨끗한 물과 작동될 수 있도록 적정수위 제어수단(B)을 연결설치하고, 하부로는 저장된 물을 세척조(2) 내부로 제어 급수할 수 있도록 솔레노이드 밸브(9)를 연결시킨 구조이므로 사용자가 상기와 같은 식기세척기(1)를 사용하고자 할때는 식기세척기(1)에 전원을 연결시킨 다음 동작스위치(도면에 도시되지 않았음)를 ON시켜주면, 임의 컨트롤(Control)부의 송출신호에 의해 급수밸브(7)가 개방됨에 따라 수도전(10)에서 공급되는 물은 개방된 급수밸브(7)을 통해 분기관(6)을 따라 연회수 및 저장수단(A)인 수실(4)내부로 공급되면서 일정수위 이상이 되면 적정수위 제어수단(B)인 수위 제어장치(5)의 수위탱크(5c) 내부로 이물질이 석이지 않은 깨끗한 물이 공급됨에 따라 내설된 부구(5b)가 원활하게 상향 이동된다.As shown in FIG. 1 and FIG. 2, the present invention provides a predetermined position on the outer circumferential surface of the washing tank 2 in the dish washing machine 1 that warms the washing water supplied into the washing tank 2 by heating the heater 3. In order to store the amount of water that can be used once during the washing and rinsing stroke, that is, the proper quantity, the tubular heat recovery and storage means (A) are installed so that it can be operated with clean water free of foreign matters. The water level control unit (B) is connected and installed, and the lower part is connected to the solenoid valve (9) to control and supply the stored water into the washing tank (2), so the user uses the dishwasher (1) as described above. If you want to connect the power to the dishwasher (1), then turn on the operation switch (not shown in the figure), the water supply valve (7) is opened by the output signal of the arbitrary control unit (water supply valve (7) 10) ball from The water to be supplied is supplied to the inside of the water chamber 4, which is the banquet water and the storage means A, along the branch pipe 6 through the open water supply valve 7, and when the water level is higher than a predetermined level, the water level being the proper level control means B. As the clean water which is free of foreign matters is supplied into the water level tank 5c of the control device 5, the built-in mouth 5b is smoothly moved upward.

이때 계속적인 물 공급에 따라 수실(4)이 만수되면 물의 양에 따라 상향 이동되고 있는 부구(5b)는 마이크로스위치(5a)을 "ON"동작시켜 컨트롤부에 만수됨을 인지시켜주면 컨트롤부는 급수밸브(7)를 "OFF"(차단)시키면서 급수를 중단시킴과 동시에 수실(4) 하부에 연결된 솔레노이드 밸브(9)를 개방시켜 이에 연결된급수관(8)을 통해 세척조(2) 내부로 수실(4)과 수위탱크(5c)내의 물을 일시에 급수완료 시켜주면 (수위탱크(5c)내의 물은 사이폰(Syphon)원리에 의해 완전배출됨) 마이크로스위치(5a)와 솔레노이드 밸브(9)는 컨트롤부의 송출신호에 의해서 OFF상태로 됨과 동시에 "OFF"상태인 급수밸브(7)와 히터(3)와 세척펌프(11)가 "ON"상태로 되면서 세척조(2)내로 급수완료된 물은 히터 (3)에 의해 메워지면서 (약 65℃) 케이싱아웃(12)를 통해 흡입되어 세척핌프(11), 노즐(13)을 순차적으로 통해 세척조(2)내부로 분사되면서 식기를 세척시켜 줌과 동시에 수도전(10)에서 공급된 물은 "ON"상태의 급수밸브(7)를 통해 수실(4)내로 만수공급되어(솔레노이드밸브는 OFF상태)세척 행정이 완료되어 세척수가 배수될때까지 대기하게 되는데 이때, 세척조(2) 내부에서 히터(3)에 의해 가열된 세척수(약 65℃)가 식기세척을 위해 분사되면서 세척조(2)의 내벽에 접촉됨으로 세척조(2) 외주면에 밀착 설치된 수실(4)내부로 저장된 찬물에 상기 가열된 세척수의 열이 전도하면서, 열교환이 이루어저 수실(4)내의 물은 약 50℃의 온도를 유지하게 되는 것이다.At this time, when the water chamber 4 is full due to the continuous water supply, the float 5b which is moved upward according to the amount of water recognizes that the micro switch 5a is “ON” so that the controller is full. The water supply is stopped while turning off (7), and at the same time, the solenoid valve 9 connected to the lower part of the water chamber 4 is opened and the water chamber 4 is introduced into the washing tank 2 through the water supply pipe 8 connected thereto. When the water in the water level tank 5c is temporarily supplied with water (the water in the water level tank 5c is completely discharged by the syphon principle), the microswitch 5a and the solenoid valve 9 are discharged from the control unit. When the water supply valve 7 and the heater 3 and the washing pump 11 in the "OFF" state are turned "ON" by the signal, the water supplied into the washing tank 2 is supplied to the heater 3. Being filled through (about 65 ° C.) and sucked through the casing out (12) to the cleaning pimp (11), nozzle (13) In order to wash the dishes while being sprayed into the washing tank 2 sequentially, the water supplied from the tap water 10 is supplied with water into the water chamber 4 through the water supply valve 7 in the “ON” state (solenoid). The valve is turned off) and waits until the washing process is completed and the washing water is drained. At this time, the washing water (about 65 ° C.) heated by the heater 3 in the washing tank 2 is sprayed for dish washing, and The heat of the heated wash water is conducted while the heat of the heated wash water is conducted to the cold water stored in the inside of the water chamber 4 which is installed in close contact with the outer circumferential surface of the washing tank 2 by contacting the inner wall of the water tank. Will be maintained.

일정시간 경과후 컨트롤부의 송출신호에 의해서 세척행정이 종료됨과 동시에 배수펌프(14)가 개방되면 세척조(2)내의 오염된 물은 배수펌프(14)를 통해 외부로 완전히 배출 완료되면서 헹굼 행정이 시작되는데 이때, 수실(4)내부에 미리 저장되어 있던 물 즉, 세척행정시 가열된 세척수와 열교환 작용되어 더워진 물(약 50℃)이 개방된 솔레노이드 밸브(9)를 통해 급수관(8)을 따라 세척조(2)내부로 일시에 급수완료되면 컨트롤부의 송출신호에 의해 세척펌프(11)가 동작되면서 노즐(13)을 통해 물분사시켜 헹굼작동됨과 동시에 상술된 동작으로 열회수 및 저장수단(A)인 수실(4)에는 찬물이 만수 공급되어 대기상태가 된다.After a certain period of time, when the washing stroke is terminated by the discharge signal from the control unit and the drain pump 14 is opened, the contaminated water in the washing tank 2 is completely discharged to the outside through the drain pump 14 and the rinsing stroke starts. At this time, the water pre-stored in the water chamber 4, that is, the water heated by heat-exchanging action with the heated wash water during the washing stroke (about 50 ° C.) is opened along the water supply line 8 through the open solenoid valve 9. When the water supply is completed in the washing tank 2 at a time, the washing pump 11 is operated by a signal sent from the control unit and the water is sprayed through the nozzle 13 to rinse and at the same time, the heat recovery and storage means (A) Cold water is supplied with full water to the water chamber 4, and it will be in a standby state.

여기서, 열교환 작용되어 더워진 물(약 50℃)이 세척조(2)내부로 공급되기 때문에 세척수의 온도를 적정 온도(약 65℃)로 상승(50℃-65℃)시키는 에너지만 필요하므로 소비전력 및 시간을 절감시킬 수가 있으며 또한, 수실(4)내에 찬물이 만수 공급되어 있는 상태에서 헹굼 행정이 종료되는 건조행정이 시작되면 컨트를부의 송출신호에 의해서 배수펌프(14)가 개방되어 세척조(2)내의 세척수는 외부로 배출되고 히터 (3)는 가열상태이므로 세척조(2)내부의 식기가 건조되면서 발생되는 높은 온도와 수중기와 수실(4)내의 찬물과의 온도차에 의해 수실(4)이 밀착된 부위의 세척조(2)내벽면에 수증기가 응축되면서 벽면을 따라 물로 흘러내리므로 식기 건조를 빠른 시간내에 완료할 수 있도록 한것이다.Here, since water (about 50 ° C) heated by heat exchange action is supplied into the washing tank (2), only energy for raising the temperature of the washing water to an appropriate temperature (about 65 ° C) (50 ° C-65 ° C) is required. And time, and also, when the dry stroke starts when the rinsing stroke is completed in the state where the cold water is supplied in the water chamber 4, the drain pump 14 is opened by the control signal of the control unit and the washing tank 2 Since the washing water in the inside is discharged to the outside and the heater (3) is in a heated state, the water chamber (4) is closed by the temperature difference between the high temperature generated by drying the dishes in the washing tank (2) and the cold water in the water chamber (4). Water vapor is condensed on the inner wall surface of the washing tank (2) in close contact with the water and flows down the water along the wall so that drying of the dishes can be completed in a short time.

이상에서 본 바와 같이 본 고안은 식기세척기(1)의 세척조(2) 외주면에 열회수 및 저장수단(A)과 적정수위 제어수단(B)이 연결 설치되어 있는 구조이므로 종래 식기세척기에 있어서, 결함의 요인이었던 급수방법 및 수위 제어방법과 세척수 가열방법등 여러 취약점을 완전해소시키게 된것으로 세척, 헹굼, 건조행정 진행중에 미리 받아놓은 적정수량의 세척수를 세척조(2)내로 공급하여 줌으로서 수압에 관계없이 항상 일정하게 급수할수 있을뿐 아니라 깨끗한 물로 수위 제어장치(5)를 제어하므로 급수불량과 이상수위 발생을 방지할 수 있으며, 또한 열교환 작용된 물을 다음행정시 급수시켜주므로 에너지 및 가열시간을 절감시킬 수 있는 것이다.As described above, the present invention has a structure in which the heat recovery and storage means (A) and the proper level control means (B) are connected to the outer circumferential surface of the washing tank (2) of the dishwasher (1). It completely eliminates the weaknesses such as water supply method, water level control method and heating method of washing water, which were factors, and supplies the appropriate amount of washing water received in advance during the washing, rinsing and drying administration to the washing tank (2) regardless of water pressure. Not only can you supply water constantly, but also controls the water level control device (5) with clean water, which prevents water supply defects and abnormal water levels, and also saves energy and heating time by supplying heat-exchanged water at the next administration. It can be.

한편, 건조시에는 온도차에 의해 고온의 수증기가 벽면에 응축되어 물로 흘러내리므로 건조기능을 향상시킴은 물론 이중벽 구조이므로 별도의 단열재 및 방음재를 부착시키지 않더라도 단열 및 방음효과를 향상시킬 수 있는 것이다.On the other hand, during drying, high temperature water vapor condenses on the wall and flows into the water due to the temperature difference, thereby improving the drying function, and thus, the double wall structure, thereby improving the insulation and sound insulation effects without attaching a separate insulation and sound insulation.

Claims (1)

히터(3)가열에 의해 세척수를 메워주는 식기세척기(1)에 있어서, 적정수위 제어수단(B)인 수위 제어 장치(5)와, 급수밸브(7)과 솔레노이드 밸브(9)가 접속된 분기관(6)이 연결설치되고 세척조(2) 외주면에 적정수량을 미리 저장할수 있는 열회수 및 저장수단(A)인 수실(4)을 밀착설치하여 세척 혹은 헹굼행정 진행중에 수실(4) 내부로 급수 저장된 찬물과 세척조(2) 내부의 가열된 세척수가 상호 열교환 작용하여 차기 행정시 가열된 물을 급수할 수 있도록 함과 건조시에는 온도차에 의해 세척조(2) 내벽에 수증기가 응축될 수 있도록 함을 특징으로 하는 식기세척기의 열교환 및 적정수위 제어장치.In the dishwasher (1) which fills the washing water by heating the heater (3), the water level control device (5) serving as the proper level control means (B), the water supply valve (7) and the solenoid valve (9) are connected. The engine (6) is connected and installed in close contact with the water chamber (4), which is a heat recovery and storage means (A) capable of storing an appropriate amount in advance on the outer circumferential surface of the washing tank (2), to supply the water into the water chamber (4) during washing or rinsing administration The stored cold water and the heated washing water inside the washing tank (2) exchange heat with each other so that the heated water can be supplied during the next stroke, and during drying, water vapor can condense on the inner wall of the washing tank (2) due to the temperature difference. Heat exchanger and water level control device of the dishwasher.
KR1019880011056A 1988-08-30 1988-08-30 A heat exchange and water height controlling device in dish washing machine KR900006028B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101295946B1 (en) * 2011-09-01 2013-08-13 엘지전자 주식회사 Dish washer and method of controlling the same
KR101296003B1 (en) * 2011-09-01 2013-08-14 엘지전자 주식회사 Dish washer and water supply apparatus thereof
CN103857319A (en) * 2011-09-01 2014-06-11 Lg电子株式会社 Dish washer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101295946B1 (en) * 2011-09-01 2013-08-13 엘지전자 주식회사 Dish washer and method of controlling the same
KR101296003B1 (en) * 2011-09-01 2013-08-14 엘지전자 주식회사 Dish washer and water supply apparatus thereof
CN103857319A (en) * 2011-09-01 2014-06-11 Lg电子株式会社 Dish washer

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