KR20000045171A - Method for washing articles using alkali electrolysis water - Google Patents

Method for washing articles using alkali electrolysis water Download PDF

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Publication number
KR20000045171A
KR20000045171A KR1019980061722A KR19980061722A KR20000045171A KR 20000045171 A KR20000045171 A KR 20000045171A KR 1019980061722 A KR1019980061722 A KR 1019980061722A KR 19980061722 A KR19980061722 A KR 19980061722A KR 20000045171 A KR20000045171 A KR 20000045171A
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South Korea
Prior art keywords
water
washing
pulsator
laundry
valve
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KR1019980061722A
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Korean (ko)
Inventor
김승석
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전주범
대우전자 주식회사
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Priority to KR1019980061722A priority Critical patent/KR20000045171A/en
Publication of KR20000045171A publication Critical patent/KR20000045171A/en

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/003—Washing machines, apparatus, or methods not otherwise provided for using electrochemical cells
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2101/00—User input for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2101/20—Operation modes, e.g. delicate laundry washing programs, service modes or refreshment cycles
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/38—Time, e.g. duration
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/02—Water supply

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

PURPOSE: A method for washing articles using alkali electrolysis water is provided to save the water and reduce the washing time by using an alkali electrolysis water as the washing water. CONSTITUTION: An electric washing machine using an alkali electrolysis water comprises a tub(10), a washing tub(20), a water supplying valve(31), a discharging valve(41), a pulsator(50), a clutch(60), and a controlling section(80). The pulsator(50) mixes the washing water and the washing articles when the washing articles are washed and rinsed. The clutch(60) transfers or intercepts the power of a motor(65) to the rotary shaft of the pulsator(50). The controlling section(80) controls the water supplying valve(31), the discharging valve(41), the pulsator(50), the driving motor, and the clutch(60). The washing machine further comprises an electrolysis device(70), and water level detecting sensors(34,35).

Description

알칼리성 전해수를 이용하여 세탁물을 세탁하는 방법 ( Method for cleaning laundry using electrolytic alkali water)Method for cleaning laundry using electrolytic alkali water

본 발명은 저수형 전기세탁기의 세탁방법에 관한 것으로, 특히 저수조에 저장한 물을 전기분해하여 알칼리성 전해수로 세탁물을 세탁하는 방법에 관한 것이다.The present invention relates to a method of washing a low water type electric washing machine, and more particularly, to a method of washing laundry with alkaline electrolytic water by electrolyzing water stored in a water storage tank.

현재에 사용되고 있는 세탁기는, 도 1에 도시한 바와 같이,대개 저수조(10)와, 저수조(10)안에 설치되는 세탁조(20)와, 급수관(30)을 통해 저수조(10) 안에 급수를 공급 또는 차단하는 급수밸브(31)와, 세탁조(20) 내의 세탁수를 배수관(40)을 통해 배수 또는 차단하는 배수밸브(41)와, 세탁 및 헹굼시 세탁수와 세탁물을 혼합하는 펄세이터(50)와, 모터(65)로부터 동력을 펄세이터(50)의 회전축으로 전달하거나 차단하는 클러치(60) 및 상기 급수밸브(31), 배수밸브(41), 펄세이터(50) 및 구동모터(65), 클러치(60) 등을 저장된 프로그램에 따라 제어하는 제어부(80)을 포함하고 있다.The washing machine currently used, as shown in FIG. 1, generally supplies water into the water tank 10 through the water tank 10, the washing tank 20 installed in the water tank 10, and the water supply pipe 30. A water supply valve 31 for blocking, a drain valve 41 for draining or blocking the washing water in the washing tank 20 through the drain pipe 40, and a pulsator 50 for mixing the washing water and the laundry during washing and rinsing. And a clutch 60 for transmitting or interrupting power from the motor 65 to the rotation shaft of the pulsator 50 and the water supply valve 31, the drain valve 41, the pulsator 50, and the driving motor 65. And a control unit 80 for controlling the clutch 60 and the like according to the stored program.

이와 같은 종래의 전기세탁기는 합성세제를 사용하여 세탁물을 세탁한다. 즉 세탁조에 세탁물을 넣고 합성세제를 적당량 투입한 다음, 전원스위치를 켜면 제어부는 우선 급수밸브를 열어서 급수관을 통해 저수조에 물을 공급한다.Such a conventional electric washing machine washes laundry using a synthetic detergent. That is, the laundry is put in the washing tank, the synthetic detergent is added, and the power switch is turned on, and the controller first opens the water supply valve to supply water to the water tank through the water supply pipe.

그리고 저수조에 물이 세탁물 량에 따라 적정량 투입되면 수위감지센서가 제어부에 신호를 보내어 급수밸브를 닫아서 물의 공급을 중단한다. 이어서 제어부는 모터를 회전시키고 클러치를 작동시켜 펄세이터를 회전시켜 수류를 발생시킴으로써 세탁이 진행된다.And when the appropriate amount of water is added to the reservoir according to the amount of laundry, the water level sensor sends a signal to the control unit to close the water supply valve to stop the water supply. Then, the controller rotates the motor, operates the clutch, rotates the pulsator to generate water flow, and washing proceeds.

이 펄세이터는 제어부에 미리 입력된 시간동안 작동하다가 타이머에 의해 클러치가 단속되어 작동중지하게 된다. 그러면 제어부는 배수밸브를 열고 세탁수를 배수관을 통해 외부로 배출된다.The pulsator is operated for a time input in advance to the controller, and the clutch is interrupted by the timer to stop operation. Then, the control unit opens the drain valve and discharges the washing water to the outside through the drain pipe.

저수조에 물이 전부 배출되고 나면 제어부는 배수밸브를 닫고 다시 헹굼작업을 위하여 급수밸브를 열어 저수조 안으로 급수한다. 이어서 세탁조를 회전시켜 헹굼을 한다. 이때 종래의 세탁기는 합성세제를 사용하므로 세탁물에 남아 있는 세제를 씻어내기 위해 통상 헹굼작업을 2회 하도록 되어 있다.After all the water has been discharged to the reservoir, the control unit closes the drain valve and opens the water supply valve for rinsing again to feed water into the reservoir. Then, the washing tank is rotated to rinse. At this time, since the conventional washing machine uses a synthetic detergent, the rinsing operation is normally performed twice to wash away the detergent remaining in the laundry.

따라서 종래의 세탁기는 합성세제를 사용하므로 이 합성세제 세척을 위하여 헹굼작업을 2회 이상 하여야 하므로 물의 낭비나 전력 낭비가 많은 단점이 있다.Therefore, since the conventional washing machine uses a synthetic detergent, a rinsing operation has to be performed two or more times for washing the synthetic detergent.

또 합성세제는 세탁력이 우수하여 세탁물을 깨끗이 세탁할 수 있는 장점이 있지만, 수질등 환경을 오염시키는 주된 원인이 되는 것이다.In addition, synthetic detergents have excellent washing power and have the advantage of washing laundry cleanly, but are a major cause of polluting the environment such as water quality.

따라서 최근에는 환경오염을 줄이기 위한 여러 가지 합성세제가 개발되어 사용되고 있다. 예컨대 식물성 세제나 세탁력을 강력하게 하여 적은 량으로 동일한 세탁효과를 얻을 수 있게 하는 세제등이 개발되어 사용되고 있다.Therefore, recently, various synthetic detergents have been developed and used to reduce environmental pollution. For example, vegetable detergents and detergents have been developed and used to make the same washing effect in a small amount by strengthening the washing power.

그러나 이러한 합성세제는 수질오염을 근본적으로 방지하는 것이 아니고, 오염정도를 줄이는 방법에 지나지 않으므로 수질오염을 줄이는 직접적인 효과가 미약한 것이다.However, these synthetic detergents do not fundamentally prevent water pollution, and are only a method of reducing pollution, so the direct effect of reducing water pollution is weak.

이에 본 발명은 합성세제를 사용하는 종래 일반적인 전기세탁기의 상기와 같은 문제를 해결하기 위하여 고안된 것으로, 합성세제를 사용하지 않고, 물을 전기분해하여 생성된 알칼리성 전해수를 사용하는 세탁방법을 제공함에 목적이 있다.Accordingly, the present invention is designed to solve the above problems of the conventional general electric washing machine using a synthetic detergent, and to provide a washing method using alkaline electrolytic water generated by electrolysis of water without using a synthetic detergent. There is this.

상기 목적을 달성하기 위한 본 발명은 전원인가 단계와, 세탁코스 선택단계와, 급수단계와, 상기 세탁코스의 선택에 따라 전기분해장치을 가동하는 세탁수 전기분해단계와, 상기 전기분해장치의 가동시간을 조절하여 알칼리성 전해수의 농도를 조절하는 세탁수 농도조절단계와, 펄세이터를 회전시켜 교반세탁하는세탁단계와, 배수밸브를 열어 세탁수를 배출하는 배수단계와, 세탁조를 회전시켜 세탁물을 탈수하는 탈수단계와, 배수밸브를 잠그고 급수밸브를 열어 헹굼용 급수를 저수조에 채우는 급수단계와, 급수밸브를 잠그고 펄세이터를 가동하여 세탁물을 행구는 헹굼단계와, 배수밸브를 열어 헹굼수를 배출시키는 배수단계와, 세탁조를 회전시켜 세탁물을 탈수시키는 탈수단계로 이루어져 있다.In order to achieve the above object, the present invention provides a power supply step, a washing course selection step, a water supply step, a washing water electrolysis step of operating an electrolysis device according to the selection of the washing course, and an operation time of the electrolysis device. Washing water concentration control step of adjusting the concentration of alkaline electrolytic water by adjusting the washing step, washing and stirring washing by rotating the pulsator, draining step of discharging the washing water by opening the drain valve, and rotating the washing tank to dehydrate the laundry Dehydration step, Water supply step of closing drain valve and opening water supply valve to fill water tank for rinsing water, Rinsing step of washing laundry by locking water supply valve and operating pulsator, and drainage to drain rinsing water by opening drain valve And a dehydration step of dewatering the laundry by rotating the washing tank.

따라서 본 발명은 합성세제를 사용하지 않고 알칼리성 전해수로 세탁물을 세탁하므로 합성세제에 의한 수질환경오염을 방지할 수 있고 ,합성세제를 사용하지 않으므로 헹굼작업을 1회만 하면 되므로 세탁시간이 단축될 뿐 아니라 세탁수 낭비를 막을 수 있게 되는 것이다.Therefore, in the present invention, washing the laundry with alkaline electrolytic water without using a synthetic detergent can prevent water environmental pollution caused by the synthetic detergent, and since only one rinsing operation is performed since the synthetic detergent is not used, the washing time is not only shortened. You will be able to stop wasting water.

도 1 은 종래 일반적인 세탁기의 구조를 도시한 결합단면도,1 is a cross-sectional view showing a structure of a conventional general washing machine;

도 2 는 본 발명에 따른 전기세탁기의 구조를 개략적으로 도시한 단면도,2 is a cross-sectional view schematically showing the structure of an electric washing machine according to the present invention;

도 3 은 본 발명의 전기세탁기의 작동과정을 도시한 흐름도이다.3 is a flowchart illustrating the operation of the electric washing machine of the present invention.

※ 도면의 주요부분에 대한 부호의 설명※※ Explanation of code about main part of drawing ※

10: 저수조 11: 커버10: reservoir 11: cover

20: 세탁조 31: 급수밸브20: washing tank 31: water supply valve

34: 저수위 감지센서 33: 고수위 감지센서34: low water level sensor 33: high water level sensor

40: 배수관 41: 배수밸브40: drain pipe 41: drain valve

50: 펄세이터 60: 클러치50: pulsator 60: clutch

65: 모터 70: 전기분해장치65: motor 70: electrolysis device

71: 실링부재 72: 플랜지71: sealing member 72: flange

73: 고정보울트73: High Information Ult

이하, 본 발명에 따른 세탁방법을 상세히 설명한다.Hereinafter, the washing method according to the present invention will be described in detail.

본 발명에 따른 세탁방법은 도 2에 도시된 바와 같은 전기분해장치(70)가 구비된 전기세탁기를 사용한다. 상기 세탁기는 저수조(10)와, 저수조(10)안에 설치되는 세탁조(20)와, 급수관을 통해 저수조(10) 안에 급수를 공급 또는 차단하는 급수밸브(31)와, 세탁조(20) 내의 세탁수를 배수관(40)을 통해 배수 또는 차단하는 배수밸브(41)와, 세탁 및 헹굼시 세탁수와 세탁물을 혼합하는 펄세이터(50)와, 모터로부터 동력을 펄세이터(50)의 회전축으로 전달하거나 차단하는 클러치(60) 및 상기 급수밸브(31), 배수밸브(41), 펄세이터(50) 및 구동모터(65), 클러치(60) 등을 저장된 프로그램에 따라 제어하는 제어부(80)를 포함하고 있다.The washing method according to the present invention uses an electric washing machine equipped with an electrolysis device 70 as shown in FIG. The washing machine includes a water tank (10), a washing tank (20) installed in the water tank (10), a water supply valve (31) for supplying or blocking water in the water tank (10) through a water supply pipe, and the washing water in the washing tank (20). The drain valve 41 for draining or blocking the water through the drain pipe 40, the pulsator 50 for mixing the wash water and the laundry during washing and rinsing, and transmits power from the motor to the rotary shaft of the pulsator 50 or And a control unit 80 for controlling the clutch 60 to block the water supply valve 31, the drain valve 41, the pulsator 50, the driving motor 65, the clutch 60, and the like according to a stored program. Doing.

한편, 상기 저수조(10)의 바닥면에는 저수조(10)에 저장된 세탁수를 전기분해하여 알칼리성 전해수와 산성 전해수를 생성하는 전기분해장치(70)가 설치되어 있다.On the other hand, the bottom surface of the water tank 10 is provided with an electrolysis device 70 for generating alkaline electrolytic water and acid electrolytic water by electrolyzing the wash water stored in the water storage tank 10.

상기 전기분해장치(70)는 다수의 전극판을 구비하여 급수관(30)을 통하여 공급된 급수를 전기분해 하여 알칼리성 전해수는 저수조(10)로 공급하고, 산성 전해수는 도시하지 않았지만 다른 출구를 통하여 배수관(40)쪽으로 배출된다.The electrolysis device 70 is provided with a plurality of electrode plates to electrolyze the water supplied through the water supply pipe 30 to supply alkaline electrolytic water to the reservoir 10, the acid electrolytic water is not shown, but the drain pipe through the other outlet Discharged to (40).

그리고 상기 저수조(10)의 내측벽에는 저수위 감지센서(34) 및 고수위 감지센서(35)가 일정높이에 설치되어 있고, 상기 저수위 및 고수위 감지센서(34,35)는 제어부에 연결되어 저수위 감지센서(34)가 감지작동하면 제어부는 상기 전기분해장치(70)에 전원을 공급하여 저수조(10)의 세탁수를 전기분해하도록 되어 있다.In addition, a low water level sensor 34 and a high water level sensor 35 are installed at a predetermined height on the inner wall of the water tank 10, and the low water level and high water level sensors 34 and 35 are connected to a control unit so that the low water level sensor When 34 is detected, the control unit is configured to supply power to the electrolysis device 70 to electrolyze the wash water of the reservoir 10.

그리고 상기 전기분해장치(70)를 거쳐 발생한 산성 전해수는 배수관(40)을 통하여 외부로 배출되게 된다.And the acid electrolytic water generated through the electrolysis device 70 is discharged to the outside through the drain pipe (40).

본 발명에 따른 세탁방법의 순서도가 도 3에 도시되어 있다.A flowchart of the washing method according to the invention is shown in FIG. 3.

본 발명은 전원인가 단계와, 세탁코스 선택단계와, 급수단계와, 상기 세탁코스의 선택에 따라 전기분해장치을 가동하는 세탁수 전기분해단계와, 상기 전기분해장치의 가동시간을 조절하여 알칼리성 전해수의 농도를 조절하는 세탁수 농도조절단계와, 펄세이터를 회전시켜 교반세탁하는 세탁단계와, 배수밸브를 열어 세탁수를 배출하는 배수단계와, 세탁조를 회전시켜 세탁물을 탈수하는 탈수단계와, 배수밸브를 잠그고 급수밸브를 열어 헹굼용 급수를 저수조에 채우는 급수단계와, 급수밸브를 잠그고 펄세이터를 가동하여 세탁물을 행구는 헹굼단계와, 배수밸브를 열어 헹굼수를 배출시키는 배수단계와, 세탁조를 회전시켜 세탁물을 탈수시키는 탈수단계로 이루어진다.The present invention provides a power supply step, a washing course selection step, a water supply step, a washing water electrolysis step of operating an electrolysis device according to the selection of the washing course, and adjusting the operating time of the electrolysis device to adjust alkaline electrolytic water. Washing water concentration control step to adjust the concentration, washing and stirring washing by rotating the pulsator, draining step of discharging the washing water by opening the drain valve, dehydration step of dewatering the laundry by rotating the washing tank, drain valve Water supply step of filling the reservoir with rinsing water by opening the water supply valve, rinsing step of washing the laundry by locking the water supply valve and operating the pulsator, draining step of opening the drain valve to drain the rinsing water, and rotating the washing tank. It is made of a dehydration step to dehydrate the laundry.

따라서 본 발명은 헹굼작업을 1회만 행하게 되어 있어 헹굼작업에 소요되는 물의 량을 줄일 수 있다.Therefore, in the present invention, the rinsing operation is performed only once, thereby reducing the amount of water required for the rinsing operation.

이상과 같이 작동하는 본 발명에 따르면 세제를 사용하지 않고 알칼리성 전해수로 세탁하게 되므로 세제에 의한 수질환경오염을 막을 수 있고, 아울러 헹굼작업도 1회만 행하게 되므로 세탁시간이 줄어들며, 헹굼에 소요되는 물의 량도 줄일 수 있어 경제적이다.According to the present invention operating as described above can be washed with alkaline electrolytic water without using a detergent to prevent water environmental pollution by the detergent, and also because the rinsing operation is performed only once, washing time is reduced, the amount of water required for rinsing It is also economical because it can be reduced.

Claims (1)

세탁기에 전원을 인가하는 전원인가 단계와, 세탁물의 종류에 따라 수류의 세기를 선택하는 세탁코스 선택단계와, 급수단계와, 상기 세탁코스의 선택에 따라 전기분해장치을 가동하는 세탁수 전기분해단계와, 상기 전기분해장치의 가동시간을 조절하여 알칼리성 전해수의 농도를 조절하는 세탁수 농도조절단계와, 펄세이터를 회전시켜 교반세탁하는세탁단계와, 배수밸브를 열어 세탁수를 배출하는 배수단계와, 세탁조를 회전시켜 세탁물을 탈수하는 탈수단계와, 배수밸브를 잠그고 급수밸브를 열어 헹굼용 급수를 저수조에 채우는 급수단계와, 급수밸브를 잠그고 펄세이터를 가동하여 세탁물을 행구는 헹굼단계와, 배수밸브를 열어 헹굼수를 배출시키는 배수단계와, 세탁조를 회전시켜 세탁물을 탈수시키는 탈수단계로 이루어진 알칼리성 전해수를 이용한 세탁방법.A power supply step of applying power to the washing machine, a washing course selection step of selecting the strength of water flow according to the type of laundry, a water supply step, and a washing water electrolysis step of operating an electrolysis device according to the selection of the washing course; Washing step concentration control step of adjusting the concentration of the alkaline electrolytic water by adjusting the operating time of the electrolysis device, washing step of rotating washing the pulsator stirring, draining step of discharging the wash water by opening the drain valve; A dehydration step of dewatering the laundry by rotating the washing tank; a water supply step of closing the drain valve and opening the water supply valve to fill the reservoir with rinsing water; a rinsing step of locking the water valve and operating a pulsator to rinse the laundry; Alkaline electrolyzed water consisting of a drainage step of opening the rinsing water and a dehydration step of spinning the washing tank to dehydrate the laundry. How to wash.
KR1019980061722A 1998-12-30 1998-12-30 Method for washing articles using alkali electrolysis water KR20000045171A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20030044628A (en) * 2001-11-30 2003-06-09 주식회사 엘지이아이 Course choosing method and apparatus in washing machine
KR100470583B1 (en) * 2001-04-05 2005-03-08 산요덴키가부시키가이샤 Electric Washing Machine
KR100474954B1 (en) * 2001-09-28 2005-03-10 산요덴키가부시키가이샤 Drum-type washer
KR101120214B1 (en) * 2003-07-31 2012-03-16 칭다오 하이어 워싱 머신 캄파니 리미티드 A washing method which has no need of adding detergent by the user and the washing machine thereof
KR101229071B1 (en) * 2011-01-17 2013-02-07 리치코 주식회사 The washer-sterilizer
KR101317169B1 (en) * 2012-05-07 2013-10-15 리치코 주식회사 The washer-sterilizer with detachable electrolysis cell

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Publication number Priority date Publication date Assignee Title
JPH07185187A (en) * 1993-12-28 1995-07-25 Matsushita Electric Ind Co Ltd Washing machine
JPH09108490A (en) * 1995-10-23 1997-04-28 Matsushita Electric Ind Co Ltd Washing machine
KR19980015032A (en) * 1996-08-19 1998-05-25 김광호 Washing water treatment apparatus and driving control method of washing machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07185187A (en) * 1993-12-28 1995-07-25 Matsushita Electric Ind Co Ltd Washing machine
JPH09108490A (en) * 1995-10-23 1997-04-28 Matsushita Electric Ind Co Ltd Washing machine
KR19980015032A (en) * 1996-08-19 1998-05-25 김광호 Washing water treatment apparatus and driving control method of washing machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100470583B1 (en) * 2001-04-05 2005-03-08 산요덴키가부시키가이샤 Electric Washing Machine
KR100474954B1 (en) * 2001-09-28 2005-03-10 산요덴키가부시키가이샤 Drum-type washer
KR20030044628A (en) * 2001-11-30 2003-06-09 주식회사 엘지이아이 Course choosing method and apparatus in washing machine
KR101120214B1 (en) * 2003-07-31 2012-03-16 칭다오 하이어 워싱 머신 캄파니 리미티드 A washing method which has no need of adding detergent by the user and the washing machine thereof
KR101229071B1 (en) * 2011-01-17 2013-02-07 리치코 주식회사 The washer-sterilizer
KR101317169B1 (en) * 2012-05-07 2013-10-15 리치코 주식회사 The washer-sterilizer with detachable electrolysis cell

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