KR0161900B1 - Dehydration method of drum type washing machine - Google Patents

Dehydration method of drum type washing machine Download PDF

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Publication number
KR0161900B1
KR0161900B1 KR1019940036862A KR19940036862A KR0161900B1 KR 0161900 B1 KR0161900 B1 KR 0161900B1 KR 1019940036862 A KR1019940036862 A KR 1019940036862A KR 19940036862 A KR19940036862 A KR 19940036862A KR 0161900 B1 KR0161900 B1 KR 0161900B1
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South Korea
Prior art keywords
drum
washing machine
dehydration
imbalance
speed
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KR1019940036862A
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Korean (ko)
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KR960023426A (en
Inventor
김재문
송문수
김광수
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구자홍
엘지전자주식회사
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Priority to KR1019940036862A priority Critical patent/KR0161900B1/en
Publication of KR960023426A publication Critical patent/KR960023426A/en
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Publication of KR0161900B1 publication Critical patent/KR0161900B1/en

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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F33/00Control of operations performed in washing machines or washer-dryers 
    • D06F33/30Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/40Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of centrifugal separation of water from the laundry
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F34/00Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14Arrangements for detecting or measuring specific parameters
    • D06F34/16Imbalance
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F35/00Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005Methods for washing, rinsing or spin-drying
    • D06F35/007Methods for washing, rinsing or spin-drying for spin-drying only
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30Driving arrangements 
    • D06F37/304Arrangements or adaptations of electric motors
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2103/00Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/26Imbalance; Noise level
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F2105/00Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/46Drum speed; Actuation of motors, e.g. starting or interrupting

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Abstract

본 발명은 드럼 세탁기에 관한 것으로, 특히 탈수 효율을 향상 시키기에 적당하도록한 드럼 세탁기의 탈수방법에 관한 것이다.The present invention relates to a drum washing machine, and more particularly to a dewatering method of the drum washing machine to be suitable for improving the dewatering efficiency.

이와 같은 본 발명의 드럼 세탁기의 탈수방법은 드럼을 저속으로 정/역회전 시킨후 일정속도로 저속탈수를 수행하는 제1 단계와, 불균형이 감지되면 모터를 정지시킨후 모터를 재구동하여 세탁포를 재 분산배치시키는 제 1포풀림행정을 수행하는 제2 단계와, 제2 단계에서 불균형이 해소되면 공진대역에서 급가속시켜 탈수행정을 수행하는 제3 단계와, 제 3단계가 완료되면 일정시간동안 세탁조의 회전/정지를 반복하는 제 2포풀림행정을 수행하는 제 4단계를 포함하여 이루어진 것이다.The dewatering method of the drum washing machine of the present invention is a first step of performing a low speed dehydration at a constant speed after rotating the drum forward / reverse at a low speed, and if an imbalance is detected, stops the motor and restarts the motor to wash the cloth. A second step of carrying out the first inflation stroke to redistribute the second step; a third step of rapidly decelerating in the resonance band to perform the dehydration step when the imbalance is resolved in the second step; It comprises a fourth step of performing a second inflation stroke to repeat the rotation / stop of the washing tank.

Description

드럼 세탁기의 탈수방법Dewatering method of drum washing machine

제1도는 종래의 드럼 세탁기의 탈수방법 설명도.1 is a diagram illustrating a dehydration method of a conventional drum washing machine.

제2도는 종래 다른 실시예의 드럼 세탁기의 탈수방법 설명도.2 is a diagram illustrating a dewatering method of a drum washing machine of another conventional embodiment.

제3도는 본 발명의 드럼 세탁기의 탈수방법 설명도.3 is an explanatory view of a dewatering method of a drum washing machine of the present invention.

제4도는 본 발명에 따른 드럼 세탁기의 회로 구성도 및 동작 테이블.4 is a circuit diagram and an operation table of the drum washing machine according to the present invention.

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

1 : 마이콤 2 : 속도 제어부1: micom 2: speed control unit

3 : 방향 및 속도 스위칭부 4 : 배수 펌프 구동부3: direction and speed switching unit 4: drain pump driving unit

5 : 감지부 S1 : 홀 센서5: detection unit S1: Hall sensor

TA1,TA2 : 트라이악TA1, TA2: Triac

본 발명은 드럼 세탁기에 관한 것으로, 특히 탈수 효율을 향상 시키기에 적당하도록한 드럼 세탁기의 탈수방법에 관한 것이다.The present invention relates to a drum washing machine, and more particularly to a dewatering method of the drum washing machine to be suitable for improving the dewatering efficiency.

일반적인 세탁기와 달리 드럼 세탁기는 일반 세탁행정은 물론 히터가 설치되어 삶은 세탁을 진행할 수 있고, 세탁물을 건조시키는 기능까지 할 수 있으며, 뿐만 아니라 세탁수를 절약할 수 있으므로 차세대 세탁기로 전망이 밝다.Unlike a general washing machine, a drum washing machine has a general washing administration, as well as a heater, so that washing can proceed to washing, drying the laundry, and saving water.

이와 같은 드럼 세탁기는 드럼이 수평방향으로 설치되어 있고 세탁 행정시에는 드럼의 1/3 정도에 세탁수가 채워지고 사용자의 선택에 따라 세탁수가 히터에 의해 가열된 상태에서 드럼이 회전하면서 세탁물을 세탁한다.The drum washing machine has a drum installed in a horizontal direction and washes laundry while the drum is rotated while washing water is filled in about one third of the drum and the washing water is heated by a heater according to the user's choice. .

그리고 건조 행정은 세탁수가 없는 상태에서 더운 공기를 불어 넣어 건조물로 부터 증기가 발생되도록 하고 발생된 증기를 응축시켜 외부로 배출하므로 젖은 옷감 등을 건조시킨다.And the drying stroke blows hot air in the absence of wash water to generate steam from the dry matter, and condenses the generated steam to discharge to the outside to dry the wet cloth.

따라서, 드럼 세탁기는 드럼이 수평방향으로 설치되어 있기 때문에 탈수 행정시 세탁물의 균형을 잘 맞추어야만 진동 및 소음을 방지할 수 있다.Therefore, in the drum washing machine, since the drum is installed in the horizontal direction, vibration and noise can be prevented only by balancing the laundry during the dehydration stroke.

이와 같은 드럼 세탁기의 종래 탈수방법을 첨부된 도면을 참조하여 설명하면 다음과 같다.Referring to the accompanying drawings, a conventional dehydration method of such a drum washing machine as follows.

제1도는 종래의 드럼 세탁기의 탈수방법 설명도이고, 제2도는 종래 다른 실시예의 드럼 세탁기의 탈수방법 설명도이다.1 is a diagram illustrating a dehydration method of a conventional drum washing machine, and FIG. 2 is a diagram illustrating a dehydration method of a drum washing machine of another conventional embodiment.

종래 일실시예의 드럼 세탁기 탈수방법은 제1도와 같이 일정 rpm으로 드럼을 회전 및 정지시키며 세탁물이 불균형(unbalance)을 이루고 있음을 감지하여 세탁물의 불균형이 해소될때까지 반복하고 세탁물의 불균형이 해소되면 바로 가속구간을 거쳐서 탈수를 진행한다.The drum washing machine dewatering method of the conventional embodiment rotates and stops the drum at a constant rpm as shown in FIG. 1 and detects that the laundry is unbalanced, repeats until the laundry imbalance is resolved, and immediately after the laundry imbalance is resolved. Dehydration proceeds through the acceleration section.

또한 다른 실시예의 종래 드럼 세탁기의 탈수방법은 제2도와 같이 드럼을 일정 속도로 정역회전하여 세탁물의 포플림 행정을 일정시간 진행한 후 가속 구간을 거쳐 탈수 행정을 진행한다.In addition, the dehydration method of the conventional drum washing machine according to another embodiment performs a dehydration stroke through an acceleration section after a predetermined time for the poplar stroke of the laundry by rotating the drum at a constant speed.

그러나 이와 같은 종래의 드럼 세탁기의 탈수방법에 있어서는 다음과 같은 문제점이 있었다.However, in the dehydration method of the conventional drum washing machine, there are the following problems.

즉, 제1도와 같은 종래 일실시예의 경우에는 불균형만을 해소하여 가속 구간을 거쳐 탈수 행정을 진행하므로 탈수 후 세탁물이 드럼에 붙어 있게된다. 그러므로 탈수 후 바로 건조 행정이 진행될 경우에는 세탁물이 드럼에 붙어 있는 상태에서 건조가 잔행되므로 건조 완료 후 세탁물의 주름이 심하고 건조 성능도 저하된다.That is, in the case of the conventional embodiment as shown in FIG. 1, since only the imbalance is solved and the dehydration process is performed through the acceleration section, the laundry is attached to the drum after dehydration. Therefore, if the drying process is carried out immediately after dehydration, the drying is carried out while the laundry is attached to the drum, so the wrinkles of the laundry are severe after completion of drying, and the drying performance is also degraded.

그리고 제2도와 같은 종래 다른 실시예의 탈수방법에 있어서는 불균형 감지 구간이 없이 포플림 행정만 실시하여 탈수 행정을 진행하므로 불균형 상태에서 드럼이 회전함에 따라 탈수시 드럼 세탁기의 진동이 심하고 그에 따른 소음이 발생하게 된다.In the dewatering method of another conventional embodiment, such as FIG. 2, the drum washing machine is severely vibrated and the noise is generated when the drum is rotated in an unbalanced state because the dehydration stroke is performed by performing only the poplim stroke without an imbalance detection section. Done.

본 발명은 이와 같은 문제점을 해결하기 위하여 안출한 것으로, 드럼 세탁기의 진동 및 소음을 방지함은 물론 탈수 및 건조 성능을 향상시키는데 그 목적이 있다.The present invention has been made to solve the above problems, the purpose of preventing vibration and noise of the drum washing machine as well as to improve the dehydration and drying performance.

이와 같은 목적을 달성하기 위한 본 발명의 드럼 세탁기의 탈수방법은 드럼을 저속으로 정/역회전 시킨후 일정속도로 저속탈수를 수행하는 제1 단계와, 불균형이 감지되면 모터를 정지시킨후 모터를 재구동하여 세탁포를 재 분산배치시키는 제 1포풀림행정을 수행하는 제2 단계와, 제2 단계에서 불균형이 해소되면 공진대역에서 급가속시켜 탈수행정을 수행하는 제3 단계와, 제 3단계가 완료되면 일정시간동안 세탁조의 회전/정지를 반복하는 제 2포풀림행정을 수행하는 제 4단계를 포함하여 이루어짐에 그 특징이 있다.The dewatering method of the drum washing machine of the present invention for achieving the above object is the first step of performing a low speed dehydration at a constant speed after the drum forward / reverse rotation at a low speed, and stops the motor after the imbalance is detected A second step of performing a first inflation stroke of re-distributing the cloth by re-driving; a third step of rapidly decelerating in a resonance band and performing a dehydration stroke when the imbalance is resolved in the second step; When it is completed is characterized in that it comprises a fourth step of performing a second inflation stroke to repeat the rotation / stop of the washing tank for a certain time.

상기와 같은 본 발명의 드럼 세탁기의 탈수방법을 첨부된 도면을 참조하여 보다 상세히 설명하면 다음과 같다.The dewatering method of the drum washing machine of the present invention as described above will be described in detail with reference to the accompanying drawings.

제3도는 본 발명의 드럼 세탁기의 탈수방법 설명도이다.3 is an explanatory view of a dewatering method of the drum washing machine of the present invention.

본 발명의 드럼 세탁기의 탈수방법은 일정 싸이클(cycle) 동안 예비 탈수 구간을 두어 세탁물 및 드럼 내부의 물을 외부로 배출시킨 다음, 불균형감지 및 포플림 행정을 실시하고, 가속구간을 거쳐 탈수 행정을 진행한 것이다.In the dewatering method of the drum washing machine of the present invention, the laundry and the water inside the drum are discharged to the outside by a preliminary dehydration section for a predetermined cycle, and then an imbalance detection and poplar stroke is performed, and a dehydration stroke is performed through an acceleration section. That's it.

이를 좀 더 자세하게 설명하면, 일정 싸이클 예비 탈수 구간은 약 50∼60rpm의 속도로 드럼을 일정시간 동안 정역회전 한 후 90∼100rpm으로 일정시간 동안 회전시킴을 반복하여 세탁물 및 드럼 내부에 있는 물을 외부로 배수시킨다.To explain this in more detail, the constant cycle pre-dehydration section rotates the drum forward and backward for a predetermined time at a speed of about 50 to 60 rpm, and then rotates it for a predetermined time to 90 to 100 rpm to repeat the water inside the laundry and drum. Drain

그리고 불균형 감지 및 포플림 행정은 일정속도로 구동 정지를 반복하면서 정지 상태에서 드럼을 구동하는 순간의 부하량을 산출하여 불균형을 감지하면서 포플림 행정을 진행하여 불균형이 해소되면 가속 구간을 거쳐 탈수 행정을 진행한다.And the imbalance detection and poplar stroke repeats the driving stop at a constant speed, calculates the load at the moment of driving the drum in the stop state, detects the imbalance, and proceeds the poplar stroke to solve the imbalance. Proceed.

탈수 행정시에도 다단계로 탈수를 하고 탈수가 종료되면 드럼을 완전히 정지 시키지 않고 일정시간 포플림 행정을 진행한 후 모든 탈수 행정을 종료한다.Even during the dehydration stroke, if the dehydration is done in multiple stages and the dehydration is completed, proceed with the poplim stroke for a certain period of time without stopping the drum completely.

이때 탈수가 완료된 상태에서 세탁포는 탈수행정의 원심력에 의해 드럼의 내면에 압착되어 있다.At this time, the laundry cloth is pressed on the inner surface of the drum by the centrifugal force of the dehydration stroke in the dehydration state is completed.

이 상태에서 바로 건조가 진행되면 건조후 세탁포에 다수의 주름이 발생되고 세탁포가 압착된 상태이므로 세탁포에 공기의 이동공간이 없어 건조효율이 저하된다.If the drying proceeds immediately in this state, a plurality of wrinkles are generated in the laundry cloth after drying, and the laundry cloth is compressed so that there is no moving space of air in the laundry cloth, and thus the drying efficiency is reduced.

따라서 드럼을 일정시간 회전시켜 포풀림행정을 수행하면 드럼 내면에 압착된 세탁포가 중력에 의해 드럼 하부로 낙하되어 세탁포가 펴지게되므로 공기 이동공간이 형성되어 건조효율이 향상되며, 건조후 세탁포를 꺼내기가 용이해진다.Therefore, if the drum is rotated for a certain time and the foaming stroke is performed, the laundry cloth compressed on the inner surface of the drum falls to the lower part of the drum by gravity to spread the laundry cloth so that an air moving space is formed, and the drying efficiency is improved. Easy to take out

한편, 드럼 세탁기의 구동 장치 및 제어 방법을 설명하면 다음과 같다.On the other hand, the driving device and the control method of the drum washing machine will be described.

제4도는 본 발명에 따른 드럼 세탁기의 회로 구성도 및 동작 테이블이다.4 is a circuit diagram and an operation table of the drum washing machine according to the present invention.

드럼의 불균형 및 드럼 모터의 속도와 방향을 제어하며 펌프의 구동을 제어하는 마이콤(1)과, 상기 드럼 모터의 속도를 감지하기 위한 홀 센서(S1)를 설치하여 불균형을 감지하기 위한 감지부(5)와, 트라이악(TA1), 정류부(BD1) 등으로 이루어져 마이콤(1)의 제어에 의해 드럼 모터의 속도를 제어하는 속도 제어부(2)와, 릴레이 스위치(제 1코일과 제 1접점, 제 2코일과 제 2접점, 제 3코일과 제 3접점)로 이루어져 드럼 모터의 방향 및 저속과 고속을 스위칭하는 방향 및 속도 스위칭부(3)와, 트라이악(TA2)으로 이루어져 마이콤(1)의 제어신호에 의해 배수펌프의 동작을 스위칭하는 배수 펌프 구동부(4)를 포함하여 구성된다.Sensor for detecting the imbalance by installing a microcomputer (1) for controlling the imbalance of the drum and the speed and direction of the drum motor and controlling the driving of the pump, and a Hall sensor (S1) for detecting the speed of the drum motor ( 5), a triac TA1, a rectifying unit BD1, and the like, a speed controller 2 for controlling the speed of the drum motor by the control of the microcomputer 1, a relay switch (first coil and first contact, The second coil and the second contact point, the third coil and the third contact point), the direction of the drum motor, the direction and speed switching unit 3 for switching the low speed and the high speed, and the triac TA2 and the microcomputer 1 It comprises a drain pump drive unit 4 for switching the operation of the drain pump by the control signal of.

이와 같이 구성된 구동 장치는 일정 싸이클 예비 탈수 구간에서는 드럼을 정역회전 시키고 드럼의 속도도 저속과 고속으로 동작 시키는데 그에 따른 릴레이스위치(제 1코일과 제 1접점, 제 2코일과 제 2접점, 제 3코일과 제 3접점)의 접점은 동작 테이블도와 같다.The driving device configured as described above rotates the drum forward and backward and operates the drum speed at low and high speeds in the preliminary cycle of dehydration of the cycle. Accordingly, the relay switch (first coil and first contact, second coil and second contact, and third contact) The contact between the coil and the third contact is shown in the operation table.

이와 같은 본 발명의 드럼 세탁기의 탈수방법에 있어서는 다음과 같은 효과가 있다.In such a dewatering method of the drum washing machine of the present invention has the following effects.

첫째, 일정 싸이클 예비탈수 구간을 두어 옷감 및 드럼 내부의 물을 외부로 배출시킨 후 불균형 감지 및 프플림 행정을 거쳐 탈수를 하기 때문에 탈수 후에도 옷감이 드럼 벽에 달라 붙지 않는다.First, the cloth does not stick to the drum wall after dehydration because the cycle and the water inside the drum are discharged to the outside and then dehydrated through the imbalance detection and the prim stroke.

둘째, 불균형 감지 및 포플림 구간을 예비탈수 구간 후에 실시하므로 불균형을 줄일 수 있음은 물론 불균형 감지 시간을 단축시킬 수 있고, 불균형이 해소될 때 가속 구간을 거쳐 탈수가 진행되므로 진동 및 소음 발생을 감소시킨다.Secondly, the imbalance detection and poplar sections are carried out after the preliminary dehydration section, which can reduce imbalances and shorten the imbalance detection time. When the imbalance is resolved, dehydration proceeds through the acceleration section, which reduces vibration and noise generation. Let's do it.

셋째, 불균형 감지 후 불균형이 해소된 상태에서 가속 구간을 거쳐 다단계 탈수 행정을 진행하므로 탈수 성능을 향상시킨다.Third, after the imbalance is detected, the dehydration performance is improved because a multi-stage dehydration process is performed through the acceleration section in the state where the imbalance is resolved.

넷째, 다단계 탈수 구간 후 일정시간 포플림 행정을 실시하여 포의 엉킴을 풀어주므로 사용자가 세탁물을 꺼낼때 편리하다.Fourth, after a multi-step dehydration section to perform a popple stroke for a certain time to release the tangling of the fabric, it is convenient when the user takes out the laundry.

Claims (2)

드럼을 저속으로 정/역회전 시킨후 일정속도로 저속탈수를 수행하는 제1 단계; 불균형이 감지되면 모터를 정지시킨후 모터를 재구동하여 세탁포를 재 분산배치시키는 제 1포풀림행정을 수행하는 제2 단계; 상기 제2 단계에서 불균형이 해소되면 공진대역에서 급가속시켜 탈수행정을 수행하는 제3 단계; 상기 제 3단계가 완료되면 일정시간동안 세탁조의 회전/정지를 반복하는 제 2포풀림행정을 수행하는 제 4단계를 포함하여 이루어짐을 특징으로 하는 드럼 세탁기의 탈수방법.A first step of rotating the drum forward / reverse at a low speed to perform low speed dehydration at a constant speed; A second step of performing a first folding action of redistributing the laundry cloth by stopping the motor and restarting the motor when an imbalance is detected; A third step of performing dehydration operation by rapidly accelerating in the resonance band when the imbalance is resolved in the second step; And a fourth step of performing a second inflation stroke which repeats the rotation / stop of the washing tank for a predetermined time when the third step is completed. 제1항에 있어서, 상기 제 1단계에서 드럼의 정/역회전속도는 50∼60rpm이고 저속탈수는 90∼100rpm의 속도로 이루어짐을 특징으로 하는 드럼 세탁기의 탈수방법.The dewatering method of a drum washing machine according to claim 1, wherein the forward / reverse rotation speed of the drum in the first step is 50 to 60 rpm and the low speed dehydration is performed at a speed of 90 to 100 rpm.
KR1019940036862A 1994-12-26 1994-12-26 Dehydration method of drum type washing machine KR0161900B1 (en)

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Cited By (5)

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KR100504481B1 (en) * 2002-11-25 2005-08-03 엘지전자 주식회사 Apparatus and Method for Controlling Deceleration of Washing Machine Motor
KR100748955B1 (en) * 2003-06-20 2007-08-13 엘지전자 주식회사 Semi-Dry Method of Washing Machines
KR100786061B1 (en) * 2000-12-30 2007-12-18 엘지전자 주식회사 methode for controlling in drum type washing machine with a dryer and a rotational baffle
US7721462B2 (en) 2003-07-25 2010-05-25 Lg Electronics Inc. Semi-dry method of washing machine and the ventilating structure, control apparatus for the same
KR20190072773A (en) 2017-12-18 2019-06-26 신하진 Asymmetric drum washing machine

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KR20050061701A (en) * 2003-12-18 2005-06-23 주식회사 대우일렉트로닉스 Method for controlling drive motor of drum type washing machine
JP2020103419A (en) * 2018-12-26 2020-07-09 青島海爾洗衣机有限公司QingDao Haier Washing Machine Co.,Ltd. Vertical type washing machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100786061B1 (en) * 2000-12-30 2007-12-18 엘지전자 주식회사 methode for controlling in drum type washing machine with a dryer and a rotational baffle
KR100504481B1 (en) * 2002-11-25 2005-08-03 엘지전자 주식회사 Apparatus and Method for Controlling Deceleration of Washing Machine Motor
KR100748955B1 (en) * 2003-06-20 2007-08-13 엘지전자 주식회사 Semi-Dry Method of Washing Machines
US7721462B2 (en) 2003-07-25 2010-05-25 Lg Electronics Inc. Semi-dry method of washing machine and the ventilating structure, control apparatus for the same
US8950084B2 (en) 2003-07-25 2015-02-10 Lg Electronics Inc. Semi-dry method of washing machine and the ventilating structure, control apparatus for the same
KR20190072773A (en) 2017-12-18 2019-06-26 신하진 Asymmetric drum washing machine

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