EP2579760B1 - Procédé de commande d'un appareil de dosage pour des lessives ou détergents fluides - Google Patents

Procédé de commande d'un appareil de dosage pour des lessives ou détergents fluides Download PDF

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Publication number
EP2579760B1
EP2579760B1 EP11779405.7A EP11779405A EP2579760B1 EP 2579760 B1 EP2579760 B1 EP 2579760B1 EP 11779405 A EP11779405 A EP 11779405A EP 2579760 B1 EP2579760 B1 EP 2579760B1
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EP
European Patent Office
Prior art keywords
control unit
conductivity
rinse stage
rinse
dispenser
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.)
Active
Application number
EP11779405.7A
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German (de)
English (en)
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EP2579760A1 (fr
Inventor
Thorsten Bastigkeit
Christian Nitsch
Wolfgang Wick
Arnd Kessler
Karl-Heinz Hohenadel
Konstantin Benda
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.)
Henkel AG and Co KGaA
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Henkel AG and Co KGaA
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Priority to PL11779405T priority Critical patent/PL2579760T3/pl
Publication of EP2579760A1 publication Critical patent/EP2579760A1/fr
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0055—Metering or indication of used products, e.g. type or quantity of detergent, rinse aid or salt; for measuring or controlling the product concentration
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4445—Detachable devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4463—Multi-dose dispensing arrangements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/30—Variation of electrical, magnetical or optical quantities
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/07—Consumable products, e.g. detergent, rinse aids or salt
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/30—Regulation of machine operational steps within the washing process, e.g. performing an additional rinsing phase, shortening or stopping of the drying phase, washing at decreased noise operation conditions

Definitions

  • the invention relates to a method for controlling a metering device of a self-sufficient metering system for flowable detergents or cleaners, preferably for use in a dishwasher with the features of the preamble of claim 1.
  • the invention is also a metering device, with which this method can be performed.
  • the cleaning agents were preferably added to new ingredients, for example, more effective surfactants, polymers, enzymes or bleach.
  • new ingredients for example, more effective surfactants, polymers, enzymes or bleach.
  • devices for the multiple dosing of detergents and cleaners have recently come into the field of vision of the product developers.
  • these devices it is possible to distinguish between dosing chambers integrated in the dishwasher or textile washing machine on the one hand and independent devices which are independent of the dishwasher or textile washing machine on the other hand.
  • these devices which contain a multiple of the amount of detergent necessary for carrying out a cleaning process, detergent or detergent portions are dosed into the interior of the cleaning machine in an automatic or semi-automatic manner in the course of several successive cleaning processes. For the consumer eliminates the need for manual dosing with each cleaning or washing cycle.
  • the starting point for the teaching of the present invention is a metering system according to the WO 2010/006761 A2 .
  • the dosing unit of the dosing system initially has a sensor which is intended and suitable for detecting the water temperature in the dishwasher.
  • the control of the process of the process is largely on the determined water temperature.
  • the beginning of the rinse cycle of the dishwasher is detected by the fact that there is a higher water temperature than the normal cleaning rinse or intermediate rinse.
  • the metering device of the known metering system has a sensor for detecting the conductivity, which is open to the environment of the metering device, in other words, is accessible to the water that is in the dishwasher.
  • the conductivity sensor at the bottom of the dosing device on two open towards the environment contacts which are preferably designed as protruding down from the ground contact pins.
  • One contact is connected as an anode contact, the other contact is connected as a cathode contact with respect to the energy source.
  • These contacts may each be covered with an electrically conductive silicone to less easily corrode.
  • the spacing of the contacts is typically between 2 and 25 mm.
  • the track resistance of the route between the two contacts can be determined, which can be converted into the conductivity of the medium wetting the contacts, in particular the cleaning liquid in the dishwasher. If there is no liquid bridge between the contacts, the conductivity is very low, it is close to zero. If there is water in the dishwasher, that is, if a rinse is taking place, the conductivity sensor which is open to the surroundings in the dishwasher is subjected to cleaning liquid, a liquid bridge is created between the contacts, and the conductivity has become significantly higher. In the above-described prior art, it is only determined by means of the control unit with the aid of the conductivity sensor whether water is present in the dishwasher or whether it is dry. The actual control of the dosing over the course of rinses - cleaning rinse, intermediate rinse, rinse - away, however, takes place by the control unit based on the measurement signals of the temperature sensor.
  • the teaching is now based on the problem of making the control of the dosing more practical and sensitive.
  • the essential idea of the method according to the invention is not to control the course of the process via the rinses of the cleaning cycle, cleaning rinse, intermediate rinse or intermediate rinses, rinse cycle, or at least not only by means of the temperature sensor, but also or primarily the conductivity sensor and its conductivity measurements consulted.
  • the teaching of the invention is based on the fundamental knowledge that the electrical conductivity in the cleaning liquid depends on the concentration of the electrolyte in the cleaning liquid. As the electrolyte concentration increases, the conductivity increases. The electrolyte concentration increases when detergent is added to the water and / or when the dirt slowly dissolves in the cleaning liquid. The conductivity reaches its maximum during the kepts Erasmusganges as soon as the detergent is completely dosed into it and dissolved and also the entire dirt has detached and passed into the cleaning liquid.
  • the conductivity changes only slightly by increasing or decreasing the temperature of the cleaning liquid or by dilution processes, for example, when fresh water is added.
  • the course of the conductivity over time during the course of the rinse cycles is determined by the control unit with the aid of the conductivity sensor.
  • the gradient of the course of the conductivity measured values is evaluated. A change from rinse cycle to rinse cycle is only detected if not only the maximum conductivity value determined in the first rinse cycle is exceeded, but only if, in addition, the conductivity drops at a certain minimum speed, ie a certain gradient.
  • the second criterion provides a high certainty that the change in conductivity actually takes place due to a complete water change and not only due to the addition of smaller amounts of fresh water.
  • the control of the self-sufficient dosing system is independent of which temperature boundary conditions exist during the course of the dishwashing program. This takes into account the fact that modern dishwashing products manage with lower temperatures than formerly usual. The temperature curves over a dishwashing cycle are therefore no longer always to the extent clearly attributable to the different types of rinses. The same applies to modern detergents, rinse aids and fabric softeners for textile washing machines.
  • inventive method is executed with the program control of a program-controlled electronic control unit or causes the corresponding method steps.
  • control unit is thus programmed in such a way that, during operation in a dishwasher, it is capable of exerting the previously explained method steps.
  • Fig. 1 shows first a large household appliance, here in the form of a dishwasher 1 with an interior, which is accessible in this illustration because of the folded down to the outside front door 2.
  • a drawer 3 shown as a dish rack, in which a metering system 4 is according to the invention.
  • the metering system 4 can in principle be positioned anywhere within the drawer 3 of the dishwasher 1. It is advantageous to have a similar to a plate shaped metering system 4, so that it can be set in a corresponding plate receptacle of the drawer 3.
  • Fig. 1 is indicated on the front door 2 of the dishwasher 1, a metering chamber into which a detergent tablet or the like. can be entered. But is that the case? Dosing system 4 according to the invention inside the dishwasher 1, a use of the metering chamber is not required, since the delivery of the detergent or cleaning agent is realized in the interior of the dishwasher by the metering 4.
  • the dosing system 4 shown there shows below a dosing device 5 with a housing 6.
  • Fig. 2 is indicated by dashed lines in the housing 6 to the right an energy source 7, typically a battery or a rechargeable battery, and left next to an electronic control unit 8, typically equipped with a microprocessor or a microcontroller and other conventional components of such a control unit.
  • display and / or controls 9 which indicate the operating state of the dosing device 5 and / or can act on this.
  • the cartridge 11 has at least one cartridge chamber 12. In the illustrated and preferred embodiment, the cartridge 11 has two cartridge chambers 12, so that two different flowable detergents or cleaning agents can be stored.
  • the WO 2010/006761 A2 explains very extensively what these laundry detergents or cleaners typically are and what the compositions are. Also in this respect may be made to the state of the art.
  • Dosierhunteinlässe 14 correspond to the top of the housing 6 of the dosing device 5.
  • the Dosierhunteinlässe 14 further comprise means for the attachment / coupling of the cartridge 11 to the housing 6 of the dosing device 5, an opening of the outlet openings 13 effect, so that in the coupled state of the cartridge 11 and dosing device 5, the interior of the cartridge chambers 12 communicating with the Dosierhunteinlässen 14 is connected.
  • Fig. 2 shows on the right the situation that exists when the cartridge 11 is coupled to the dosing device 5. Here the dosing system 4 is complete and ready for use.
  • Fig. 3 One of the practice closer execution of a dosing system 4 shows Fig. 3 , There you can also see more detailed details of the various cartridge chambers 12 of the cartridge 11, the outlet openings 13 and the Dosierhunteinlässe 14. In particular, one recognizes in Fig. 3 in the dosing device 5 below the Dosierhunteinlässe 14, the metering chambers 15 with associated actuators 16 and closure elements 17. All this is in detail in the WO 2010/006761 A2 described and requires in this respect no further detailed explanation.
  • Fig. 3 can be seen in the left half of the housing 6 of the dosing device 5, the control unit 8 with the power source 7, all shown schematically.
  • a conductivity sensor 18 In this conductivity sensor 18 are outwardly guided contacts, which are wrapped according to preferred teaching of the invention with an electrically conductive silicone to be protected against corrosion. Towards the inside, these contacts are connected in terms of circuitry to the energy source 7 and the control unit 8, so that the corresponding conductivity measurement can be carried out via the contacts of the conductivity sensor 18 in the cleaning liquid in the dishwasher.
  • the conductivity measuring value L currently being ascertained by the conductivity sensor 18 is determined continuously or discontinuously by the control unit 8 with at least two different rinse cycles S 1 , S 2 .
  • control unit 8 determines the sequence of determined conductivity readings L with regard to the course of the absolute value of the conductivity and with respect to the gradient of the gradient dL / dt of the conductivity is evaluated and that when the currently measured conductivity measured value L falls below a determined in the first rinse S 1 maximum conductivity value L max and the gradient of the curve dL / dt the Leitschreibskeits- measured values exceeds certain limit value D, this is evaluated by the control unit 8 as a water change and the beginning of the next wash cycle S 2 .
  • the control unit 8 has therefore first determined by means of the conductivity sensor that the dishwasher is now in operation. Therefore, a timer function of the control unit 8 can be executed, so that the timing at which the first detergent must be dosed into the cleaning liquid can be adjusted. In parallel, it is determined by the temperature sensor, not mentioned here, whether the cleaning liquid in the dishwasher 1 has already reached the correct temperature for optimum cleaning by means of the first cleaning agent.
  • the dirty cleaning liquid is pumped out.
  • the dosing device 5 "knows" now that it enters the next rinse S 2 , the intermediate rinse cycle.
  • Fig. 4 can be seen right at the end of the last rinse S 3 , the rinse cycle that now the rinse aid mixed with rinse aid has been finally pumped out of the dishwasher 1.
  • the conductivity sensor 18 is dry again, the conductivity reading L has dropped to virtually zero.
  • the metering device 5 recognizes after a certain time, which is to be defined over a predetermined time window, that the entire dishwashing cycle has now been completed.
  • the second control unit 8 when the second control unit 8 starts the second wash cycle S 2 again determines that the gradient of the curve dL / dt of the conductivity (L) the limit value D or another, for the second Rinse S 2 stored limit value D ', this is evaluated by the control unit 8 as a water change and the beginning of the next rinse cycle S 3 . Since in the intermediate rinse cycle, even if one should again add a cleaning agent, in all likelihood will not set conductivity readings L which is as high as in the cleaning rinse cycle, one will possibly also work with a different limit value D 'for the gradient, to determine the next change to the third rinse.
  • a minimum conductivity measured value L min is predetermined in the control unit 8 or determined and stored by the control unit 8 and that it is evaluated by the control unit 8 as the beginning of the last wash cycle S 3 , the rinse cycle, only if in addition also the minimum conductivity measured value L min is undershot.
  • a first possibility for determining a suitable minimum conductivity measured value L min is to determine and store it at the beginning of the cleaning cycle, ie with clear fresh water in the dishwasher.
  • Another possibility is to determine and store the minimum conductivity measured value L min when changing from the first rinse cycle S 1 to the second rinse cycle S 2 . The latter has the advantage of usually even lower error rate of the control process.
  • the dosing device 5 can now dose the rinse aid and / or inside the dishwasher 1 independently of the temperature. or desiccant.
  • the minimum conductivity measured value L min in the control unit 8 can be predefined from the outset or can result from the minimum conductivity measured value determined during the transition from the cleaning rinse cycle to the intermediate rinse cycle and stored by the control unit 8. Which of the variants one chooses will depend on the practical test.
  • the conductivity measured values L are preferably determined by a discrete, discontinuous measurement at the conductivity sensor 18 by the control unit 8.
  • the control unit 8 it is expedient if at least 100, preferably at least 200, conductivity measurements or resistance measurements per second by the control unit 8 are made by means of the conductivity sensor 18.
  • control unit 8 which corresponds to today's state of modern development and will regularly include a microprocessor or microcontroller.
  • the control unit 8 also has corresponding other modules, in particular electronic data storage.
  • the subject of the invention is also a dosing device 5 as such, whose control unit 8 is programmed so that the method steps described above can be carried out.

Claims (10)

  1. Procédé de commande d'un dispositif de dosage (5) d'un système autonome de dosage d'agent de lavage ou de nettoyage fluide destiné de préférence à être utilisé dans un lave-vaisselle,
    le système de dosage (4) étant constitué du dispositif de dosage (5) et d'un réservoir destiné à au moins un agent de lavage ou de nettoyage, en particulier sous la forme d'une cartouche (11) accouplée de façon amovible au dispositif de dosage (5),
    le dispositif de dosage (5) comportant un boîtier (6), dans le boîtier (6) au moins une source d'énergie (7), au moins un actionneur (16) servant à effectuer un dosage et une unité de commande électronique (8) servant à commander au moins l'actionneur (16) et au niveau du boîtier (6) un capteur de conductivité (18) relié par une technique de circuits à l'unité de commande (8) et ouvert vers l'environnement du dispositif de dosage (5), caractérisé en ce que
    la valeur de mesure de conductivité (L), actuellement déterminée par le capteur de conductivité (18), étant déterminée de façon continue ou discontinue par l'unité de commande (8) pendant le déroulement d'un cycle de nettoyage comportant au moins deux processus de lavage (S1, S2) différents,
    en ce que la séquence de valeurs de mesure de conductivité (L) déterminées étant utilisée par l'unité de commande (8) pour évaluer la courbe de la valeur absolue de la conductivité (L) et la pente de la courbe (dL/dt) de la conductivité et
    en ce que l'unité de commande (8) commande de changer l'eau et de commencer le processus de lavage suivant (S2) seulement lorsque la valeur de mesure de conductivité (L), actuellement mesurée, devient inférieure à une valeur de mesure de conductivité maximale (Lmax) déterminée dans le premier processus de rinçage (S1) et lorsque la pente de la courbe (dL/dt) des valeurs de mesure de conductivité devient supérieure à une valeur de seuil (D) déterminée.
  2. Procédé selon la revendication 1, caractérisé en ce que l'unité de commande (8) commande de changer l'eau et de commencer le processus de lavage suivant (S2) seulement lorsque, après le début d'un second processus de lavage (S2) l'unité de commande (8) détermine à nouveau que la pente de la courbe (dL/dt) de la conductivité devient supérieure à la valeur de seuil (D) ou à une autre valeur de seuil (D') mémorisée pour le second processus de lavage (S2).
  3. Procédé selon la revendication 2, caractérisé en ce qu'une valeur de mesure de conductivité minimale (Lmin) est prédéterminée dans l'unité de commande (8) ou est déterminée et mémorisée par l'unité de commande (8) et en ce que l'unité de commande (8) commande de commencer le dernier processus de lavage (S3), le processus de rinçage, seulement lorsque en plus la valeur de mesure de conductivité minimale (Lmin) est dépassée par valeurs inférieures.
  4. Procédé selon la revendication 3, caractérisé en ce que l'unité de commande (8) détermine et mémorise la valeur de mesure de conductivité minimale (Lmin) au début du premier processus de lavage (S1) du cycle de nettoyage.
  5. Procédé selon la revendication 3, caractérisé en ce que l'unité de commande (8) détermine et mémorise la valeur de mesure de conductivité minimale (Lmin) lors du passage du premier processus de lavage (S1) au second processus de lavage (S2) du cycle de nettoyage.
  6. Procédé selon l'une des revendications 3 à 5, caractérisé en ce que l'unité de commande (8) commande de commencer le dernier processus de lavage (S3), le processus de rinçage, seulement lorsque la valeur de mesure de conductivité minimale (Lmin) est dépassée par valeurs inférieures et, dans une fenêtre temporelle prédéfinie, après que la valeur de mesure de conductivité (L) actuelle devient de nouveau supérieure à la valeur de mesure de conductivité minimale (Lmin).
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'au moins 100, de préférence au moins 200, mesures de conductivité et de résistance par seconde sont effectuées par l'unité de commande (8) au moyen du capteur de conductivité (18).
  8. Procédé selon l'une des revendications précédentes, caractérisé en ce qu'une inversion de polarité est effectuée au niveau du capteur de conductivité (18) après chaque mesure de conductivité ou chaque nombre déterminé de mesures de conductivité.
  9. Procédé selon l'une des revendications précédentes, caractérisé en ce que l'unité de commande (8) est une unité de commande électronique commandée par programme et en ce que les étapes de procédé sont effectuées ou lancées par le programme de l'unité de commande (8).
  10. Dispositif de dosage destiné à un système autonome (4) de dosage d'un agent de lavage ou de nettoyage fluide, destiné de préférence à être utilisé dans un lave-vaisselle, comportant un boîtier (6), dans le boîtier (6) au moins une source d'énergie (7), au moins un actionneur (16) servant à effectuer un dosage et une unité de commande électronique (8) servant à commander au moins l'actionneur (16) et au niveau du boîtier (6) un capteur de conductivité (18) relié par une technique de circuits à l'unité de commande (8) et ouvert vers l'environnement du dispositif de dosage (5), caractérisé en ce que l'unité de commande (8) du dispositif de dosage (5) est programmé pour effectuer ou lancer les étapes d'un procédé selon l'une des revendications 1 à 9 pendant le fonctionnement du dispositif de dosage (5).
EP11779405.7A 2010-11-29 2011-11-07 Procédé de commande d'un appareil de dosage pour des lessives ou détergents fluides Active EP2579760B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL11779405T PL2579760T3 (pl) 2010-11-29 2011-11-07 Sposób sterowania dozownikiem samodzielnego systemu dozowania do płynnych detergentów lub środków czyszczących

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010062138A DE102010062138A1 (de) 2010-11-29 2010-11-29 Verfahren zur Steuerung eines Dosiergerätes für fließfähige Wasch- oder Reinigungsmittel
PCT/EP2011/069537 WO2012072376A1 (fr) 2010-11-29 2011-11-07 Procédé de commande d'un appareil de dosage pour des lessives ou détergents fluides

Publications (2)

Publication Number Publication Date
EP2579760A1 EP2579760A1 (fr) 2013-04-17
EP2579760B1 true EP2579760B1 (fr) 2016-01-27

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EP11779405.7A Active EP2579760B1 (fr) 2010-11-29 2011-11-07 Procédé de commande d'un appareil de dosage pour des lessives ou détergents fluides

Country Status (6)

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EP (1) EP2579760B1 (fr)
DE (1) DE102010062138A1 (fr)
ES (1) ES2564665T3 (fr)
HU (1) HUE027367T2 (fr)
PL (1) PL2579760T3 (fr)
WO (1) WO2012072376A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012208618A1 (de) * 2012-05-23 2013-11-28 BSH Bosch und Siemens Hausgeräte GmbH Waschmaschine und Verfahren zum Steuern einer Waschmaschine
DE102016225810A1 (de) 2016-12-21 2018-06-21 Henkel Ag & Co. Kgaa Dosiergerät für Reinigungsmaschine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8420112U1 (de) * 1984-07-05 1985-06-05 Lang Apparatebau GmbH, 8227 Siegsdorf Vorrichtung zum Regeln einer Reinigungsanlage
DE3904222A1 (de) * 1989-02-13 1990-08-16 Lang Apparatebau Gmbh Verfahren und vorrichtung zur programmablaufsteuerung von waschmaschinen
DE4244783C5 (de) * 1992-09-25 2007-02-15 Bauknecht Hausgeräte GmbH Verfahren zur Überwachung und Steuerung des Programmablaufes in einem Haushaltgerät mit mehreren Spülgängen
DE19652733C2 (de) * 1996-12-18 2001-03-01 Lang App Bau Gmbh Dosierverfahren zum Zuführen eines Reinigers zu einer Geschirrspülmaschine
DE10145601A1 (de) * 2001-04-27 2002-10-31 Aweco Appliance Sys Gmbh & Co Haushaltsmaschine
CN102088893A (zh) 2008-07-15 2011-06-08 汉高股份有限及两合公司 用于洗碗机的配量系统
EP2508113A1 (fr) * 2009-04-24 2012-10-10 Electrolux Home Products Corporation N.V. Procédé d'opération d'un lave-vaisselle

Also Published As

Publication number Publication date
ES2564665T3 (es) 2016-03-28
EP2579760A1 (fr) 2013-04-17
WO2012072376A1 (fr) 2012-06-07
HUE027367T2 (en) 2016-09-28
DE102010062138A1 (de) 2012-05-31
PL2579760T3 (pl) 2016-07-29

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