EP1760184A2 - Appareil d'actionnement d'un lave-linge - Google Patents

Appareil d'actionnement d'un lave-linge Download PDF

Info

Publication number
EP1760184A2
EP1760184A2 EP06016670A EP06016670A EP1760184A2 EP 1760184 A2 EP1760184 A2 EP 1760184A2 EP 06016670 A EP06016670 A EP 06016670A EP 06016670 A EP06016670 A EP 06016670A EP 1760184 A2 EP1760184 A2 EP 1760184A2
Authority
EP
European Patent Office
Prior art keywords
motor
washing machine
stroke
driving
signals
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP06016670A
Other languages
German (de)
English (en)
Other versions
EP1760184A3 (fr
Inventor
Deok Kyu Kim
Cha Seung Jun
Byoung Wook Min
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1760184A2 publication Critical patent/EP1760184A2/fr
Publication of EP1760184A3 publication Critical patent/EP1760184A3/fr
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/10—Power supply arrangements, e.g. stand-by circuits
    • 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
    • D06F2103/24—Spin speed; Drum movements
    • 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
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D06F2105/48—Drum speed
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/30—Driving arrangements 
    • D06F37/304—Arrangements or adaptations of electric motors

Definitions

  • the present invention relates to an operating apparatus and method of a washing machine, more particularly, to an operating apparatus and method of a washing machine which make a revolving screen to be rotated in a optimal condition with the movement condition of a washing machine and a user's taste.
  • a washing machine is, as an apparatus that launders clothes and etc., recently popularized in every household.
  • This sort of washing machine includes: a drum washing machine that clothes are fell by the rotation of a drum, and washed by the shock power between the laundry and the washing water; pulsator washing machine that a pulsator is rotated on the bottom of a washing machine, and the clothes are washed by the shock power between the laundry and the washing water; an agitator washing machine that a compelled water current which is generated by an agitator protruded toward the inside of a laundry tray, and the clothes are washed by the shock power between the laundry and the washing water.
  • washing is achieved by a process that a revolving screen which is applied to a drum, pulsator, or an agitator is rotated by a rotary power delivered by a motor.
  • an operating method of a motor of a washing machine is PWM(Pulse Width Modulation) control method.
  • PWM(Pulse Width Modulation) control method the carrier signal of the chopping waves and the reference signal of the sine waves are input into a comparator, compared together, and a specific form of the PWM signal output.
  • the output PWM signal controls a switching of an inverter, and motor operating signals which are output from an inverter induce a turning effect of a motor as input into each of the coils of a motor.
  • a PWM control method changes the rotation speed of a motor according to the methods that change the frequency of the above-mentioned chopping waves and the sine waves.
  • the present invention is proposed as to improve the above-mentioned problems, therefore an object of the present invention is to propose an operating apparatus and method of washing machine which changes the operating method according to the movement condition of a washing machine.
  • Another objects of the present invention is to propos an operating apparatus and method of washing machine that the movement of a washing machine is controlled in the optimal condition according to the proper rotation speed of a rotating body like a drum of a washing machine, particularly, according to the rotate condition of a high speed rotation and low speed rotation.
  • Another objects of the present invention is to propose an operating apparatus and method of a washing machine which make(s) a motor of a washing machine operate in the optimal condition according to the required torque and the required noise condition among the various strokes of a washing machine.
  • An operating apparatus of washing machine of the present invention is comprising: a memory which saves the reference signals; a control part which forms the switching signals as calling out the reference signals different each other and comparing with the carrier signals according to the stroke of a washing machine; an inverter forms the motor operating signals as the external power is switched according to the switching signals; a motor rotates according to the motor operating signals; and a revolving screen of a washing machine operates by a motor.
  • the operating method of a washing machine in accordance with another aspect is characterized by: a single revolving screen that at least, a high speed rotation and a low speed rotation processes are progressed in a condition having laundry; a step that the rotation required condition of a washing machine can be judged on a washing machine including a single motor rotates a revolving screen; and in case, that the rotation required condition of a washing machine is a high speed rotation, a motor is three phase operated for a specified period to get a lower noise, and in case, that the rotation required condition of a washing machine is a low speed rotation, a motor is two phase operated at least for a specified period to get a higher torque.
  • the operating method of a washing machine in accordance with another aspect is characterized by: in case that a revolving screen of a washing machine contains the laundry is rotated with a high speed to dehydrate from the laundry in a condition that the laundry is contained, at least for a specified period, a motor which operates a revolving screen operates in SPWM method; and in case that a revolving screen is rotated with a low speed to remove the dirt on the laundry in a condition that the laundry and water are contained, at least for a specified period, a motor is operated in DPWM method.
  • the operating method of a washing machine in accordance with another aspect is characterized by: a step that a stroke which is progressed on a washing machine is judged; a step that a rotation condition of a drum suitable with a judged stroke is judged; a step that the reference signals which generates PWM signals are called; a step that reference signals and carrier signals are compared, so PWM signals are generated and input into an inverter; a step that a motor operating signals are generated by an inverter; and a step that a motor is rotated by a motor operating signal is progressed, and the called reference signals are different according to a rotation condition of a drum.
  • a motor can be operated in a best suitable condition according to a stroke of a washing machine, the movement capacity can be improved, and a user's taste can be promoted.
  • Fig. 1 is a plane diagram of an operating apparatus of a washing machine in accordance with the present invention.
  • an operating apparatus of a washing machine in accordance with the present invention includes: a power section(1) that the AC power is input; a communication section(2) which communicates the AC power input through the power section into a direct current; a smoothing unit(3) which smooth a direct current communicated on a communication section(2); an inverter(4) which generates motor operating signals as switching a power to be smooth into a direct current; a motor(5) which is operated by a n input power of an inverter.
  • control section(6) which generates switching signals controls a power of an inverter(4), and input into an inverter(4); a memory(7) that the information which is needed for the operations of a control section(6) are saved.
  • At least two kinds of reference signals are gathered as a form of look up table so as a proper reference signals to be called by the operation condition of a motor.
  • one of the reference signals is the No.1 look-up table which is needed for a two-phase operating of a motor, and another is the No.2 look-up table which is needed for a three-phase of a motor.
  • the reference signals form switching signals which are needed for the operations of an inverter(4) as compared with carrier signals is already mentioned.
  • PWM signals formed by an inverter is input into a motor(5), and used as operation signals of a motor.
  • the various strokes which are progressed on a washing machine includes: a stroke which needs a rotation of a motor; and a stroke which doesn't need a rotation of a motor.
  • a stroke which needs a rotation of a motor are a stroke that a drum, pulsator, and an agitator are rotated during the laundering, rinsing out, dehydrating stokes; and a stroke which doesn't need a rotation of a motor are the water supplying, and the draining strokes. It is judge if the stroke which is about to be progressed is a high speed rotation, or a low speed rotation if the stroke is a stroke which needs a rotation of a motor among the afore-mentioned strokes.
  • a high speed stroke and A low speed stroke can be previously decided by the operating condition, for instance, laundering and rinsing can be a low speed stroke, and a dehydrate stroke can be a high speed stroke.
  • a motor is operated as three phase.
  • On the three-phase operating of a motor on a high speed rotation stroke generally as comparatively a lot of noise is generated if a motor is rotated in a high speed, even if the torque is low, a motor is operated as a three-phase operating method that little noise is generated.
  • a motor is operating as two-phase.
  • a motor On a low speed stroke, a motor is operating as two-phase, because generally, in case that a motor is rotated with a low speed, as a condition that clothes and water are contained in the inner side of a drum like the laundering stroke, the conversion of the rotation direction of a motor is frequent and a lot of resistance is inflicted to the rotation of a motor. Therefore, a motor is operated as two-phase that the torque is strong on a low speed rotation stroke. Even though a little noise is generated when a motor is two-phase operated, it doesn't give any unpleasant feeling to a user as being absorbed into the noise generated during the agitating of clothes.
  • the next stroke is decided; an two-phase operating method is applied if it is a low speed rotation stroke, three-phase operating method is applied if it is a high speed rotation stroke, and the next operation stroke of a washing machine is progressed.
  • a data which is necessary for two-phase operating method and three-phase operating method of a motor is used as the information are called which is saved on a memory(7); when two-phase operating method is applied, the No. 1 look-up table is called and used as a reference signal; when three-phase operating method is applied, the No. 2 look-up table is called and used as a reference signal. Also, the information of the called look-up table compared with the carrier signal by a control section(6), and the signals out put after the comparison is used as a switching signal as being input into an inverter(4).
  • the operating method of a washing machine like the above-explained can be understand according to a flow diagram explains the operating method of a washing machine presented on the drawing 2.
  • the motor operating if it will be operated is decided(St 1).
  • the motor operating steps are divided, as a step that a laundering stroke, rinsing stroke, and a dehydrating stroke are progressed directly, and as a step that a drum, a pulsator, and an agitator are rotated for laundering, into a stroke that a motor is rotated with a low speed for laundering stroke and rinsing stroke, and a stroke that a motor is rotated with a high speed for dehydrating stroke.
  • a step if a motor is rotated with a high speed is decided(St 2), in case which decided as a high speed rotation mode, a motor is progressed as a three-phase operating step(St 3), in case which decided as a low speed rotation mode, a motor is progressed as a two-phase operating step(St 4).
  • Whether it's a step that a motor rotates with a high speed can be previously decided according to the series of a stroke condition which is previously saved on a memory according to the progress condition of a washing machine.
  • an operating method of a motor according to the strokes of a washing machine is a work that a washing machine to be operated with a best torque and noise condition according to a stroke of a washing machine.
  • a high torque is generated, because the DC-link application rate of a motor is high near 100% in a two-phase operating condition of a motor so a high torque is generated, but a lot of harmonics is generated, so a lot of noise is generated during the operating.
  • application rate of a DC-link is low as about 87%, the torque is low, but the little harmonics are generated, so it can be suitably applied when a low noise operating is required.
  • Fig. 3 is a drawing showing an example of a three phase operating method of a motor
  • Fig. 4 is a drawing showing an example of a two-phase operating method of a motor.
  • Three phase operating method is embodied by SPWM: Sinusoidal Pulse Width Modulation
  • DPWM Dead-band sinusoidal Pulse Width Modulation.
  • the (a) of Fig. 3 and the (a) of Fig.4 are as drawings illustrated an alteration condition of carrier signals(11)(21) and reference signals(21)(22), illustrating at least one part of the carrier signals of the chopping waves and reference signals of sine waves are compared each other.
  • the line-to-neutral switching pattern which is output after the two signals are compared by a comparator is illustrated as the (b) of Fig. 3 and the (b) of Fig. 4.
  • the (c) of Fig. 3 and the (c) of Fig. 4 are drawings that the signals of the (b) of Fig. 3 and the (b) of Fig. 4 are on the condition frequency analyzed as a frequency domain as fourier converted.
  • the carrier signals(11)(21) are the same, on the comparison of the reference signals(12)(22); reference signals(12) are continued chopping waves, but on SPWM, the reference signals(22) are discontinued chopping waves, and No signals exist in the period of 120 in between 0 degree and 360 degree. Therefore, PWM altered operating signals are continually input into the entire of the three phase of a motor(5) on SPWM, but (ON) signal which isn't altered according to the carrier signals(21) are input through a phase which is altered with the intervals of 120° on DPWM.
  • the two-phase operating method compared with the three-phase operating method, generates more harmonics, and a lot of noise is generated during the operating of a motor by the harmonics.
  • Each of the (d) of Fig. 3 and the (d) of Fig. 4 are illustrating the output wavy pattern between a line and a line on the SPWM method and the DPWM method, and the (e) of Fig. 3 and the (e) of Fig. 4 are drawings of a condition that the (d) of Fig. 3 and the (d) of Fig. 4 signals are fourier altered frequency analyzed as a frequency domain.
  • DC-link application rate of the DPWM method is higher, compared with SPWM method, as the Duty-on section is enlarged, hereby, a high torque is generated on the two-phase operating that the DPWM method is applied is noticed easily.
  • the DPWM method compared with SPWM method, generates more harmonics, hereby, it is easily noticed that more noise is generated on the two-phase operating method that DPWM method is applied.
  • motor operating method can be applied differently each other according to the strokes of a washing machine.
  • applying two-phase operating method of a motor which is operated as DPWM method is suitable on a washing stroke or a rinsing stroke that a high torque is required among the operating strokes of a washing machine. It is suitable because, though the noise in a measure is generated, a high torque is obtained. Also, it is suitable because, though the noise is generated on a motor, giving a user an unpleasant feeling is very rare, because it is mixed with the noise during the agitating of the laundry like clothes. Also, even though a laundry stroke and a rinsing stroke rotate with a low speed, because a sudden change of the rotate direction is frequent, a two-phase operating method which operates with DPWM method that a high torque is generated is more suitable.
  • a washing machine is able to be operated in a required low noise condition though the torque is low.
  • a washing machine is able to be operated in a required high torque condition though the noise in a measure is generated.
  • an operating method of a washing machine in accordance with the present invention without an addition of a complex hardware-like composing, only saving the two kinds of look-up tables on a memory(7), two-phase operating method according to the DPWM method; an embodiment of the three-phase operating method of a motor according to the SPWM method are possible.
  • the operating method of a washing machine can be adaptable by the strokes of a washing machine.
  • the preferred embodiment as proposed of the present invention is able to have more different embodiments to be changed in the extent of the original abstraction, the changeable embodiments are explained on the following.
  • the main abstraction of the present invention is making a motor of a washing machine to be rotated by the operating condition, -that is, a laundering and a rinsing strokes which is required a high torque and the require condition of the noise is low, and a dehydrate stroke which is required a low noise and the require condition of the torque- and different methods.
  • the operating condition -that is, a laundering and a rinsing strokes which is required a high torque and the require condition of the noise is low
  • a dehydrate stroke which is required a low noise and the require condition of the torque- and different methods.
  • the reference signals and carrier signals which is used on the DPWM method aren't limited by the above-mentioned, the various forms of the associated signals are able to be used.
  • a motor is operated as two-phase as the dead regions are formed with certain internals on the DPWM method.
  • the various kinds of reference signals and carrier signals are able to be used.
  • the operation method of a motor which is able to be proposed as various forms, compare with a case that the high torque is required, in case that a low noise is required, being added an operating method has more phases is desirable.
  • the two of look-up tables are saved and called when it is needed according to a motor operating method, but several numbers of look-up tables on a washing machine are saved according to the progress condition of the continued strokes, it is possible that more suitable look-up tables are called and used according to the needs.
  • a reference signal is able to be formed at every moment when it is needed by an arithmetical method not by the method that the tables are saved on the memory. it is more desirable that a reference signal is able to be formed at every moment when it is needed.
  • the present invention on the various forms of a washing machine, is able to be applied to the various revolving screen like a drum, pulsator, and an agitator, more desirably, because it isn't influenced by the amount, so the fullness of revolving screen is applied comparatively to be identified.
  • the operating method of an inverter and a motor is different, the operating of a washing machine appropriated by the special quality of the strokes can be operated.
  • the two-phase and three-phase of a motor is selectively applied according to the noise condition and the proper rotation speed of a revolving screen like a drum of a washing machine, especially, a low noise driving is possible during the dehydrating and a high torque driving is possible during the laundering and rinsing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Control Of Ac Motors In General (AREA)
EP06016670A 2005-09-05 2006-08-09 Appareil d'actionnement d'un lave-linge Withdrawn EP1760184A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020050082061A KR100794820B1 (ko) 2005-09-05 2005-09-05 세탁기의 구동장치 및 구동방법

Publications (2)

Publication Number Publication Date
EP1760184A2 true EP1760184A2 (fr) 2007-03-07
EP1760184A3 EP1760184A3 (fr) 2009-03-18

Family

ID=37507866

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06016670A Withdrawn EP1760184A3 (fr) 2005-09-05 2006-08-09 Appareil d'actionnement d'un lave-linge

Country Status (5)

Country Link
US (1) US20070050917A1 (fr)
EP (1) EP1760184A3 (fr)
JP (1) JP2007068994A (fr)
KR (1) KR100794820B1 (fr)
CN (1) CN1928744A (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2845943A1 (fr) 2013-09-10 2015-03-11 Electrolux Appliances Aktiebolag Procédé de fonctionnement d'un moteur à vitesse variable dans un appareil de traitement de linge
EP2591160A4 (fr) * 2010-07-06 2017-06-14 LG Electronics Inc. Machine à laver
EP3023535B1 (fr) * 2014-11-19 2021-10-20 Electrolux Appliances Aktiebolag Appareil de traitement du linge avec un moteur universel

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7589483B2 (en) * 2007-06-07 2009-09-15 Fisher & Paykel Applicances Limited Motor control
KR20100022145A (ko) * 2008-08-19 2010-03-02 삼성전자주식회사 세탁기 및 모터의 제어 방법
EP2497266B1 (fr) * 2009-11-06 2020-10-21 Robert Bosch GmbH Système de commande de la vitesse d'un moteur sans balai
CN102086581B (zh) * 2010-04-26 2012-02-29 无锡小天鹅通用电器有限公司 滚筒洗衣机脱水甩干低速保护控制方法
JP2011240041A (ja) * 2010-05-20 2011-12-01 Sanyo Electric Co Ltd 洗濯機
WO2013039337A1 (fr) * 2011-09-16 2013-03-21 주식회사 아모텍 Dispositif et procédé d'entraînement d'un moteur de machine à laver
KR101400242B1 (ko) * 2011-09-16 2014-05-28 주식회사 아모텍 세탁기 모터 구동회로 및 세탁기 모터 구동방법
KR101993379B1 (ko) 2012-09-11 2019-06-26 삼성전자주식회사 전동기를 구동하는 인버터의 출력전압을 제어하는 방법 및 장치.
CN114717791B (zh) * 2022-03-17 2023-08-29 美的威灵电机技术（上海）有限公司 衣物处理装置的控制方法及其装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB947802A (en) * 1960-04-07 1964-01-29 Constructa Werke Gmbh Process and machine for the washing of fabrics
WO1992007130A1 (fr) * 1990-10-10 1992-04-30 Icotron S.A. Procede de determination du regime d'un moteur asynchrone alimente par l'intermediaire d'un changeur de frequence, et dispositif de mise en ×uvre du procede
EP0489970A1 (fr) * 1990-12-14 1992-06-17 BSG-Schalttechnik GmbH & Co. KG Procédé et appareil pour l'opération des entraînements électriques
WO1997050171A1 (fr) * 1996-06-26 1997-12-31 British Nuclear Fuels Plc Systemes de regulation de groupes convertisseurs
EP0903845A2 (fr) * 1997-09-22 1999-03-24 Matsushita Electric Industrial Co., Ltd. Machine à laver
US20030182975A1 (en) * 2002-03-29 2003-10-02 Sanyo Electric Co., Ltd. Control device for brushless motor and washing machine having the device
EP1464749A1 (fr) * 2001-12-13 2004-10-06 Kabushiki Kaisha Toshiba Inverseur pour lave-linge et inverseur pour lave-linge/seche-linge

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4221999A (en) * 1978-03-29 1980-09-09 A. O. Smith Corporation Three-phase two speed A.C. motor
US5406185A (en) * 1993-06-04 1995-04-11 Strunk; Timothy L. Two-phase inverter drive for a three-phase motor
KR100316832B1 (ko) 1998-12-23 2002-01-16 구자홍 드럼세탁기의운전방법
US6737828B2 (en) * 2001-07-19 2004-05-18 Matsushita Electric Industrial Co., Ltd. Washing machine motor drive device
JP3891819B2 (ja) * 2001-10-25 2007-03-14 シャープ株式会社 インバータ洗濯機
KR20040047404A (ko) * 2002-11-30 2004-06-05 엘지전자 주식회사 세탁기용 ｂｌｄｃ ｄｄ 모터 제어 방법
US6834407B2 (en) * 2002-12-17 2004-12-28 General Electric Company Method and apparatus for electronically commutated motor washer agitation controller
JP2005000510A (ja) * 2003-06-13 2005-01-06 Toshiba Corp 洗濯機およびインバータ装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB947802A (en) * 1960-04-07 1964-01-29 Constructa Werke Gmbh Process and machine for the washing of fabrics
WO1992007130A1 (fr) * 1990-10-10 1992-04-30 Icotron S.A. Procede de determination du regime d'un moteur asynchrone alimente par l'intermediaire d'un changeur de frequence, et dispositif de mise en ×uvre du procede
EP0489970A1 (fr) * 1990-12-14 1992-06-17 BSG-Schalttechnik GmbH & Co. KG Procédé et appareil pour l'opération des entraînements électriques
WO1997050171A1 (fr) * 1996-06-26 1997-12-31 British Nuclear Fuels Plc Systemes de regulation de groupes convertisseurs
EP0903845A2 (fr) * 1997-09-22 1999-03-24 Matsushita Electric Industrial Co., Ltd. Machine à laver
EP1464749A1 (fr) * 2001-12-13 2004-10-06 Kabushiki Kaisha Toshiba Inverseur pour lave-linge et inverseur pour lave-linge/seche-linge
US20030182975A1 (en) * 2002-03-29 2003-10-02 Sanyo Electric Co., Ltd. Control device for brushless motor and washing machine having the device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2591160A4 (fr) * 2010-07-06 2017-06-14 LG Electronics Inc. Machine à laver
EP2845943A1 (fr) 2013-09-10 2015-03-11 Electrolux Appliances Aktiebolag Procédé de fonctionnement d'un moteur à vitesse variable dans un appareil de traitement de linge
US9356542B2 (en) 2013-09-10 2016-05-31 Electrolux Appliances Aktiebolag Method of operating a variable speed motor in a laundry treatment apparatus
EP3023535B1 (fr) * 2014-11-19 2021-10-20 Electrolux Appliances Aktiebolag Appareil de traitement du linge avec un moteur universel

Also Published As

Publication number Publication date
KR20070025658A (ko) 2007-03-08
CN1928744A (zh) 2007-03-14
JP2007068994A (ja) 2007-03-22
EP1760184A3 (fr) 2009-03-18
KR100794820B1 (ko) 2008-01-15
US20070050917A1 (en) 2007-03-08

Similar Documents

Publication Publication Date Title
EP1760184A2 (fr) Appareil d'actionnement d'un lave-linge
EP2591160B1 (fr) Machine à laver
KR100662434B1 (ko) 세탁기의 구동 장치 및 이를 구비한 세탁기
JP6407556B2 (ja) 洗濯機
KR100323348B1 (ko) 세탁기
RU2262563C1 (ru) Способ управления скоростью отжима стиральной машины (варианты)
JP2001046779A (ja) 洗濯機
KR101114740B1 (ko) 드럼 세탁기의 탈수 제어장치 및 방법
KR102422903B1 (ko) 세탁물 처리기기
KR101924057B1 (ko) 세탁물 처리기기
US11286603B2 (en) Laundry treating apparatus and controlling method thereof
JP3891819B2 (ja) インバータ洗濯機
US11811341B2 (en) Motor drive apparatus and home appliance having same
JP4507466B2 (ja) 洗濯機
KR100474905B1 (ko) 세탁기의 행정 제어방법
JP4419833B2 (ja) ドラム式洗濯機
KR101072548B1 (ko) 세탁물 처리기기
JP2019213643A (ja) 洗濯機、制御装置、制御方法、及び制御プログラム
KR101069864B1 (ko) 세탁물 처리기기
JP2000024366A (ja) 洗濯機
JP2006075477A (ja) ドラム式洗濯機
JP2005328872A (ja) ドラム式洗濯機
KR20100038702A (ko) 세탁물 처리기기
KR101031331B1 (ko) 세탁물 처리기기
JP3357657B2 (ja) 全自動洗濯機及び全自動洗濯乾燥機

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK YU

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA HR MK RS

17P Request for examination filed

Effective date: 20090515

17Q First examination report despatched

Effective date: 20090617

AKX Designation fees paid

Designated state(s): DE ES GB

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20121016