EP2079867B1 - Waschmaschine, insbesondere zum waschen von wäsche, mit vereinfachter benutzeroberfläche - Google Patents

Waschmaschine, insbesondere zum waschen von wäsche, mit vereinfachter benutzeroberfläche Download PDF

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Publication number
EP2079867B1
EP2079867B1 EP07825400A EP07825400A EP2079867B1 EP 2079867 B1 EP2079867 B1 EP 2079867B1 EP 07825400 A EP07825400 A EP 07825400A EP 07825400 A EP07825400 A EP 07825400A EP 2079867 B1 EP2079867 B1 EP 2079867B1
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European Patent Office
Prior art keywords
tub
liquid
washing
machine
machine according
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EP07825400A
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English (en)
French (fr)
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EP2079867A2 (de
Inventor
Elisabetta Ainardi
Savio La Bella
Alessandro Menghi
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Whirlpool EMEA SpA
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Indesit Co SpA
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Priority to PL07825400T priority Critical patent/PL2079867T3/pl
Publication of EP2079867A2 publication Critical patent/EP2079867A2/de
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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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/28—Arrangements for program selection, e.g. control panels therefor; Arrangements for indicating program parameters, e.g. the selected program or its progress

Definitions

  • the present invention relates to a household washing machine, particularly a laundry washing machine, according to the preamble of Claim 1.
  • a machine of the type referred to is known from the document No. EP-B-0 666 358 .
  • the machine is equipped with detection means, which, in the initial phase of a washing cycle previously started, detect the possible presence of detergent in the liquid charged into the tub.
  • detection means which, in the initial phase of a washing cycle previously started, detect the possible presence of detergent in the liquid charged into the tub.
  • clean water drawn from the water mains is made to pass through a specific compartment of the dispenser of washing agents, and in particular the compartment designed to contain a pre-washing detergent.
  • the control unit of the machine modifies the performance of the washing cycle in progress.
  • the control unit of the machine does not carry out pre-washing, passing immediately to execution of a phase of washing in a strict sense; instead, in the case where the presence of detergent in the water taken in is detected, the control unit issues a command for carrying out the cycle completely, i.e., the cycle that comprises pre-washing.
  • the document in question describes some further possible applications of the system for detecting the possible presence of detergent in the water, with a view to limiting the negative consequences deriving from errors committed by the user of the machine in relation to the use of washing agents.
  • a washing machine according to the preamble of Claim 1 is also known from the document No. EP-B-0 748 892 .
  • the control system of the machine is prearranged in such a way that, in the conclusive part of a treatment cycle, the rinsing of the washing will proceed until a pre-determined rinsing performance has been achieved, as detected depending on measurements of ion concentration of the water used, obtained via detection means.
  • a pre-determined rinsing performance is achieved, as detected depending on measurements of ion concentration of the water used, obtained via detection means.
  • rinsing is completed.
  • the solution described in the above document envisages the possibility for the user to set the aforesaid threshold value, according to his or her requirements.
  • washing machine From KR20050000094-A a washing machine is known, wherein washing and rinsing performances are improved according to the water hardness.
  • a method is performed, for deciding whether a final rinsing step has not be carried out or not during a previously set washing cycle, the method comprising supplying water up to a set water level, stirring the water for a predetermined time after completing the water supply and computing the hardness of the water by detecting temperature and conductivity thereof.
  • the manual programming means comprise a plurality of keys or push-buttons, or else a rotary selector with a number of alternative positions, or else a display of a touch-screen type.
  • the programming means provided must be conceived for enabling the user to make a convenient selection between a plurality of possible selections, associated to each of which is execution of a given treatment cycle.
  • a washing machine of the type indicated and designed for carrying out five different cycles of treatment of the washing The so-called "user-interface" of the machine, via which the user can select the desired treatment cycle between the five possible ones, must be equipped with at least five keys/push-buttons, or else with a selector with at least five positions, or else with a display that is sufficiently large to highlight clearly the symbols representing the five treatment cycles that can be selected.
  • the overall dimensions and the complexity of construction and use of the user interface are, at least to a certain extent, proportional to the number of selections allowed.
  • washing machines have been proposed with an electronic control system provided for selecting automatically the treatment cycle to which the washing is to be subjected.
  • the machine envisages just one control means, which corresponds to a push-button for starting the washing cycle, and the user is not required to make any selection.
  • the washing appliance "dominates" the user.
  • the present invention has thus been developed with a view to simplifying the activity of selection of a treatment cycle by a user in the case of machines equipped with manual programming means. From a different standpoint, the invention has been developed with a view to simplifying the construction, appearance, and overall dimensions of the manual programming means, i.e., the user interface.
  • a washing appliance particularly a laundry washing machine, having the characteristics specified in the annexed claim 1.
  • Preferred characteristics of the machine forming the subject of the invention are specified in the sub-claims.
  • the claims form an integral part of the technical teaching provided herein in relation to the invention.
  • the appliance 1 is a laundry washing machine that comprises a cabinet 2, within which a tub 3 is supported in a known way.
  • a drum 4 for the washing which can be driven in rotation via an electrical motor 5.
  • the drum 4 is accessible to the user by means of an opening, which is made in the cabinet 2 and is closed, during operation of the machine 1, by a door.
  • valve means having an inlet designed for connection to a domestic system 9 for supply of clean water.
  • the dispenser 6 and the valve means 8 are provided to get a flow of water coming from the water-supply system 9 to pass, selectively and in a controlled way, through one of the compartments 6a, 6b, or 6c, depending on the operating phase of the machine 1.
  • the water after traversing the compartment concerned, comes out of the aforesaid hopper container, entraining along with it the possible washing agent, and then reaches the tub 3 via the pipe 7.
  • the valve means 8 can comprise a single solenoid valve, and the dispenser 6 can be equipped with a movable nozzle, which can be controlled for directing the flow allowed by the solenoid valve selectively to one of the compartments 6a-6c; in another possible embodiment of a known type, the valve means can comprise a system of a number of solenoid valves in parallel.
  • Designated by 10 is a drain pipe, having a first end connected to an opening present in the lower region of the tub 3 and a second end designed for connection to a sewage system 11.
  • a drain pump 12 Provided along the pipe 10 is a drain pump 12.
  • Designated as a whole by 13 are the manual programming means of the machine 1, i.e., its user interface.
  • said interface comprises five keys, and in particular a key for turning-on/turning-off, designated by 13a, and four keys 13b-13e for selection of the treatment cycles that can be carried out by the machine 1.
  • a control unit of the machine comprising a microcontroller 15.
  • the microcontroller 15 in turn comprises, or operatively connected thereto are, non-volatile memory means, designated by 16, for example, comprising one or more ROMs and/or EPROMs and/or EEPROMs and/or Flash memories.
  • the detection means 17 are detection means, which are adapted to detect directly or indirectly one or more chemical/physical characteristics of the water present in the tub 3 during operation of the machine.
  • the detection means 17 comprise a circuit arrangement designed to measure the degree of resistivity, or else of conductivity, of the water, and thus obtain indirectly, from the degree of resistivity or conductivity measured, the value of alkalinity or of ion concentration of the water, said value representing the concentration of detergent.
  • the alkalinity or ion concentration of the water can also be measured directly, as is possible by measuring other chemical/physical characteristics that can be affected by the presence of washing agents in the water, such as, for example, the hardness or turbidity.
  • the aforesaid circuit arrangement is of the same type as the one described in the aforesaid documents EP-A-0 666 358 and EP-A-0 748 892 , and again in EP-B-582326 , whose teachings are incorporated herein for reference.
  • the aforesaid arrangement comprises two electrodes, designated by A and B, constituted by electrically conductive elements, which are adapted to come into contact with the water charged into the tub, the electrode B being isolated from the electrode A.
  • the electrodes A and B are positioned in the proximity of the lower opening of the tub 3, i.e., in the proximity of the inlet 3a of the drain pipe 10.
  • the measurement of the duration of the time of charging is made via the microcontroller 15 of the control unit 14, equipped with an internal clock that is able to measure the time with a good resolution (for example, with a resolution of 1 ⁇ s).
  • a digital input of the microcontroller 15, designated by INP in Figure 2 is connected at the ends of the capacitor C, whilst one of its digital outputs, designated by OUT, is used for driving a transistor Q, used as on/off switch, the collector of which is in turn connected to the ends of the capacitor C.
  • the measurement of the time of charging of the capacitor C is made via the following operations of the microcontroller 15:
  • the memory means 16 stored in the memory means 16 are the programs of operation or management, which supervise execution of the treatment cycles that can be carried out by the machine.
  • said memory means 16 there are obviously encoded also the instructions regarding the general functions of the machine 1, including control of the measuring arrangement represented in Figure 2 .
  • the machine 1 also comprises all the other components necessary for its normal operation (level sensors, resistor for heating the water, filters, door, safety devices, etc.), which are not represented and described herein in so far as they are not of immediate interest for the purposes of the present invention.
  • the five different treatment cycles may be:
  • the cycles a) - d) comprise a plurality of distinct phases, which each envisage an initial charging of water, followed by rotations of the drum, and finally a draining of the water used.
  • Said plurality of phases can comprise at least one or more phases of washing in a strict sense, with introduction of detergent into the tub, one or more rinsing phases, with possible introduction of an additive into the tub, one or more phases of distribution of the laundry load and one or more phases of centrifugation.
  • Some cycles, for example, the cycles a) and c), can also envisage an initial phases of pre-washing, with introduction of detergent into the tub.
  • the cycle e) envisages, instead, one or more phases of rinsing only, possibly with the introduction into the tub of an additive (softener).
  • the memory means 16 Corresponding to each of the aforesaid treatment cycles, present in the memory means 16 is a respective program of operation: in the case exemplified, then, in the memory means 16 there will be encoded five different programs of operation, which are used by the microcontroller 15 and can be carried out by the control unit.
  • the control system 14 is provided in such a way that, associated to a selection that can be made via one of the programming keys 13b-13e, are two different programs of operation, corresponding to two different treatment cycles that can be carried out by the machine.
  • one of the aforesaid two programs is the one corresponding to the rinsing cycle; the other program can, for example, be the fast cycle.
  • the two aforesaid programs are associated to a pre-determined programming key, which is assumed herein as being the key 13e.
  • control unit 14 is configured for carrying out one or other of the two aforesaid programs as a function of the value of a characteristic of the water present in the tub 3 following upon a first charging from the water-supply system 9, said value being obtained via the detection means 17.
  • the aforesaid characteristic is the alkalinity or the ion concentration of the water charged into the tub - obtainable via the detection means 17 in the ways described above - which, as has been said, represents the presence of a washing agent.
  • the aforesaid initial charging of water into the tub 3 belongs to a specific detection phase, executed under the control of the microcontroller 14 - purposely programmed for this - in the case where the user has pressed the key 13e.
  • the encoded instructions that the microcontroller 15 uses for the purposes of execution of said phase do not belong, however, to the two programs associated to the key 13e: as will appear, said detection phase is executed preliminarily at the start of one or other of the two programs in question and is thus distinct from the corresponding treatment cycles.
  • the preliminary detection phase comprises, as has been said, an initial charging of water from the water mains 9, via the valve means 8, for this purpose controlled by the microcontroller 15 to get the water itself to pass into a pre-defined compartment of the dispenser 6.
  • said pre-defined compartment is the compartment 6a of the pre-washing detergent.
  • the amount of water charged into the tub is modest, indicatively comprised between 4 and 6 litres, preferably approximately 5 litres.
  • Charging of said amount of water is followed by a step of rotation of the drum 3 containing the washing. Preferably, the rotation occurs in the absence of pause and with constant direction of rotation.
  • the control unit 14 acquires, via the detection means 17, the value of alkalinity or ion concentration of the water present in the tub.
  • the preliminary detection phase then terminates, with a drain of the water from the tub 3.
  • the control unit 14 controls the drain pump 12: given the relatively modest amount of water present in the tub, complete draining can be obtained in a few seconds, typically 2-3 seconds.
  • the duration of the entire preliminary detection phase is approximately 3-3.5 s.
  • the detected value of alkalinity/ion concentration is destined to be compared by the microcontroller 15 with a given threshold value, stored in the memory means 16 and, depending on the result of said comparison, the microcontroller discriminates which of the two programs of operation associated to the key 13e is to be executed and then - in the example considered - to which treatment cycle (rinsing cycle or fast cycle) the laundry is to be subjected. In other words, then, after execution of the preliminary detection phase, the control unit will start execution of one of the programs.
  • the user after loading the laundry that is to be treated in the drum 4, presses the key 13a.
  • the laundry loaded into the machine is pre-treated; i.e., it has already been subjected to washing with a detergent. Said situation occurs typically for hand-washed garments, which a user then wishes to rinse in the machine.
  • the user turns the machine 1 on by pressing the key 13a.
  • the control unit 14 will issue a command for execution of the program corresponding to the rinsing cycle, which is executed up to its completion, in a way in itself known.
  • the control unit 14 Upon verification of said condition, the control unit 14 will issue a command for execution of the program corresponding to the fast cycle, which is executed up to its completion in a way in itself known.
  • the machine 1 is prearranged for recognizing, autonomously, which treatment cycle the user wants between the two cycles associated to the specific programming means selected.
  • a specific programming key or a position of a selector, or an icon on a touch-screen display, i.e., the one traditionally provided for selection of the rinsing cycle.
  • the invention thus enables simplification of the user interface of the machine and reduction of the overall dimensions thereof, or else, given the same overall dimensions as appliances of a known type, makes it possible to have available keys, selectors or displays of larger dimensions for the benefit of the user.
  • the manual programming means of the machine according to the invention may be of the type with keys or push-buttons, or else of the type with rotary selector or linear selector with a number of positions, or else of the touch-screen-display type.
  • the detection means used in the practical implementation of the invention could be of any known type suitable for detection of the presence of a washing agent in the water even different from the one described previously.
  • turbidity sensors of a type in itself already known and used on some models of washing machine or dish-washer available on the market, can be used for the purposes of implementation of the invention in so far as they are perfectly able to detect the presence of a washing agent in the water.
  • the machine according to the invention can possibly be of the type equipped with a dispenser of washing agents with long autonomy of operation, i.e., of the type that is able to withhold, in one or more purposely provided containers or tanks, total amounts of washing agents such as to be used for a plurality of washing treatments, as well as to dispense dosed amounts of said agents in the course of each treatment cycle.
  • the present invention finds its best application on a laundry washing machine for domestic use; however, it is applicable to any washing machine.
  • the machine can be designed such that it is able to carry out a plurality of treatment cycles, amongst which:
  • the two aforesaid cycles can be selected manually by the user by means of one and the same selection device, for example, by exerting pressure on a purposely provided push-button.
  • the dish-washer is electronically controlled and comprises means for detecting a characteristic of the liquid charged in the tub, for example, a conductivity sensor or an alkalinity sensor or a turbidity sensor, as mentioned previously for the case of a laundry washing machine. According to the detection of said characteristic of the liquid, the electronic control system discriminates whether to set in execution the first or else the second of the aforesaid cycles of the machine, according to an approach similar to what has been described previously.
  • the preliminary phase for detecting the aforesaid characteristic will include - instead of the step of rotation of the drum envisaged in the case of a laundry washing machine - a step of activation of the washing or recirculation pump of the dish-washer, in order to spray, using at least one conventional rotary sprinkler, the water charged in the tub onto the dishes, the latter being contained in at least one conventional dish rack.
  • the program of the rinsing cycle is associated to a specific selection means (the key 13e, in the example of the laundry washer).
  • said program could be associated also to each of the other programming keys, together with the respective program/cycle.
  • the control system will thus be pre-arranged for carrying out, at each use of the machine, the aforesaid preliminary detection phase, with subsequent automatic starting of one between the two possible treatment cycles associated to the selection made by the user.

Claims (14)

  1. Waschmaschine, insbesondere eine Wäschewaschmaschine, enthaltend: wenigstens einen Waschbottich (3), eine Ladeeinrichtung (7, 8), die dem Bottich (3) eine Flüssigkeit zuführt, eine Ableitungseinrichtung (10, 12), die die Flüssigkeit aus dem Bottich (3) abführt, eine Vorrichtung zum Abgeben von Waschmitteln (6) und ein Steuersystem (13, 14, 17), wobei das Steuersystem (13, 14, 17) wenigstens enthält:
    - eine Steuereinheit (14), die so beschaffen ist, dass sie eine Vielzahl von Behandlungszyklen verwaltet, die von der Maschine (1) ausgeführt werden;
    - eine Speichereinrichtung (16), in der die Verwaltungsprogramme der Behandlungszyklen gespeichert sind;
    - eine Programmiereinrichtung (13), um eine manuelle Auswahl aus einer Vielzahl möglicher Auswahlen (13b-13e) zu treffen, wobei jeder Auswahl, die über die Programmiereinrichtung (13) getätigt werden kann, wenigstens ein entsprechendes Verwaltungsprogramm zugeordnet ist; und
    - eine Erfassungseinrichtung (17) zum Erfassen einer Eigenschaft der Flüssigkeit, die in den Bottich (3) geladen ist, wobei diese Eigenschaft für die Gegenwart eines Waschmittels in der Flüssigkeit repräsentativ ist;
    dadurch gekennzeichnet, dass:
    - das Steuersystem (13, 14, 17) so beschaffen ist, dass einer Auswahl (13b), die über die Programmeinrichtung (13) getätigt werden kann, zugeordnet sind
    - ein erstes Verwaltungsprogramm, das einem Spülzyklus entspricht, und
    - ein zweites Verwaltungsprogramm, das einem Waschzyklus entspricht, der wenigstens eine Waschphase mit der Zuführung eines Waschmittels enthält, und
    - die Steuereinheit (14) so beschaffen ist, das sie das erste Verwaltungsprogramm oder das zweite Verwaltungsprogramm in Abhängigkeit eines Wertes der Eigenschaft, den man über die Erfassungseinrichtung (17) erhält, nach einer ersten Ladung von Flüssigkeit in den Bottich (3) ausführt.
  2. Maschine nach Anspruch 1, bei der die erste Ladung zu einer Vorlaufphase zum Erfassen der Eigenschaft gehört und die Steuereinheit (14) so beschaffen ist, dass sie die Ausführung der Vorlaufphase für den Fall steuert, dass die Auswahl (13b) getroffen wurde.
  3. Maschine nach Anspruch 2, bei der in der Speichereinrichtung (16) ein Schwellenwert der Eigenschaft enthalten ist und die Steuereinheit (14) eingerichtet ist für:
    - das Erfassen des Wertes der Eigenschaft im Verlauf der Vorlaufphase und über die Erfassungseinrichtung (17);
    - das Ausführen eines Vergleiches zwischen dem erfassten Wert und dem Schwellenwert; und
    - das Beginnen des ersten Verwaltungsprogramms oder des zweiten Verwaltungsprogramms gemäß dem Ergebnis des Vergleiches.
  4. Maschine nach Anspruch 3, bei der die Vorlaufphase ein abschließendes Ableiten der Flüssigkeit aus dem Bottich (3) enthält und die Steuereinheit (14) dazu eingerichtet ist, das Ableiten zu steuern, nachdem der Vergleich ausgeführt wurde und bevor das erste Verwaltungsprogramm oder das zweite Verwaltungsprogramm gestartet werden.
  5. Maschine nach Anspruch 4, wobei die Maschine eine Wäschewaschmaschine ist, enthaltend eine Trommel (4) für die Wäsche, die in dem Bottich (3) angebracht ist und über eine Motoreinrichtung (5) gedreht werden kann, und die Vorlaufphase eine Drehung der Trommel (4) beinhaltet und die Steuereinheit (14) dazu eingerichtet ist, die Drehung vor der Ausführung des Vergleiches zu steuern.
  6. Maschine nach Anspruch 5, bei der die Drehzahl der Trommel (4) während des Schrittes der Drehung höher als 70 U/min ist und vorzugsweise zwischen 80 und 100 U/min liegt.
  7. Maschine nach Anspruch 6, bei der die Drehzahl derart beschaffen ist, dass eine ringförmiges Haften der Wäsche, die in die Trommel (4) geladen ist, an der Trommelwand möglich ist.
  8. Maschine nach Anspruch 1, bei der die Eigenschaft die Alkalinität der Flüssigkeit oder andernfalls die Ionenkonzentration der Flüssigkeit ist.
  9. Maschine nach wenigstens einem der vorhergehenden Ansprüche, bei der die Erfassungseinrichtung eine Einrichtung zum Messen des Widerstandes oder andernfalls der Leitfähigkeit der Flüssigkeit enthält.
  10. Maschine nach wenigstens einem der vorhergehenden Ansprüche, bei der die Erfassungseinrichtung einen Sensor zum Erfassen der Trübheit und/oder einen Sensor zum Erfassen der Härte der Flüssigkeit enthält.
  11. Maschine nach Anspruch 9, bei der die Messeinrichtung enthält:
    - wenigstens zwei Elektroden (A, B), die in der Ladeschaltung eines Kondensators (C) enthalten und dazu bestimmt sind, mit der Flüssigkeit in Verbindung zu stehen, die in den Bottich (3) geladen ist;
    - eine Einrichtung (Q) zum Entladen des Kondensators (C);
    - eine Einrichtung (E), die einen Stromfluss zwischen den Elektroden (A, B) durch die Flüssigkeit bewirkt;
    - eine Einrichtung (15), die die Zeit, die erforderlich ist, um eine Ladung des Kondensators (C) zu erzielen, über den Stromfluss misst; und
    - eine Einrichtung (15, 16) zum indirekten Berechnen, des Wertes des Widerstandes oder der Leitfähigkeit der Flüssigkeit als eine Funktion der Zeit des Ladens des Kondensators (C) und zum Ableiten des Wertes der Eigenschaft daraus.
  12. Maschine nach Anspruch 5, bei der der Spülzyklus wenigstens eine Phase enthält, wobei jede Phase für ein anfängliches Laden von Flüssigkeit in den Bottich (3), eine Drehung der Trommel (4) und ein abschließendes Ableiten der Flüssigkeit aus dem Bottich (3) sorgt.
  13. Maschine nach Anspruch 1, bei der die Abgabevorrichtung von einem Typ mit einer langen Betriebsautonomie ist und das zweite Verwaltungsprogramm Informationen zum Steuern der Abgabevorrichtung enthält.
  14. Maschine nach Anspruch 4, wobei die Maschine eine Maschine zum Waschen von Geschirr ist, enthaltend wenigstens ein Geschirrgestell (4) in dem Bottich (3), eine Wasch- oder Umwälzpumpe und wenigstens ein Spritzelement, das über die Pumpe versorgt wird, und die Vorlaufphase eine Aktivierung der Pumpe enthält und die Steuereinheit (14) dazu eingerichtet ist, die Aktivierung vor der Ausführung des Vergleiches zu steuern.
EP07825400A 2006-10-17 2007-10-17 Waschmaschine, insbesondere zum waschen von wäsche, mit vereinfachter benutzeroberfläche Active EP2079867B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07825400T PL2079867T3 (pl) 2006-10-17 2007-10-17 Urządzenie do mycia/prania, zwłaszcza pralka do prania, z uproszczonym interfejsem użytkownika

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000748A ITTO20060748A1 (it) 2006-10-17 2006-10-17 Macchina di lavaggio, particolarmente una lavabiancheria, con interfaccia utente semplificata
PCT/IB2007/003100 WO2008047216A2 (en) 2006-10-17 2007-10-17 A washing machine, particularly a laundry washing machine, with simplified user interface

Publications (2)

Publication Number Publication Date
EP2079867A2 EP2079867A2 (de) 2009-07-22
EP2079867B1 true EP2079867B1 (de) 2010-05-12

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EP07825400A Active EP2079867B1 (de) 2006-10-17 2007-10-17 Waschmaschine, insbesondere zum waschen von wäsche, mit vereinfachter benutzeroberfläche

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EP (1) EP2079867B1 (de)
AT (1) ATE467707T1 (de)
DE (1) DE602007006537D1 (de)
ES (1) ES2342439T3 (de)
IT (1) ITTO20060748A1 (de)
PL (1) PL2079867T3 (de)
WO (1) WO2008047216A2 (de)

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Publication number Priority date Publication date Assignee Title
CN113818198B (zh) * 2020-06-18 2024-01-19 青岛海尔洗衣机有限公司 一种用于洗衣机的衣物处理剂的投放方法及洗衣机

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3446288A1 (de) * 1984-12-19 1986-06-19 Licentia Gmbh Verfahren und anordnung zur programmsteuerung einer waschmaschine
DE4041108A1 (de) * 1990-12-21 1992-06-25 Miele & Cie Verfahren zum betrieb eines programmgesteuerten haushaltgeraetes insbesondere einer geschirrspuelmaschine
IT1276421B1 (it) 1995-06-16 1997-10-31 Merloni Elettrodomestici Spa Macchina di lavaggio, con mezzi di impostazione della prestazione di risciacquo, e relativo metodo di controllo
DE19641819C2 (de) * 1996-10-10 2000-10-12 Miele & Cie Verfahren zum Waschen von Wäscheposten und Waschmaschine zur Durchführung dieses Verfahrens
KR100653772B1 (ko) 2003-06-23 2006-12-05 엘지전자 주식회사 세탁기의 세탁방법

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PL2079867T3 (pl) 2010-10-29
EP2079867A2 (de) 2009-07-22
WO2008047216A3 (en) 2008-06-12
DE602007006537D1 (de) 2010-06-24
WO2008047216A2 (en) 2008-04-24
ES2342439T3 (es) 2010-07-06
ATE467707T1 (de) 2010-05-15
ITTO20060748A1 (it) 2008-04-18

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