EP2701571B1 - Lave-vaisselle et procede pour faire fonctionner un lave-vaisselle - Google Patents

Lave-vaisselle et procede pour faire fonctionner un lave-vaisselle Download PDF

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Publication number
EP2701571B1
EP2701571B1 EP12716434.1A EP12716434A EP2701571B1 EP 2701571 B1 EP2701571 B1 EP 2701571B1 EP 12716434 A EP12716434 A EP 12716434A EP 2701571 B1 EP2701571 B1 EP 2701571B1
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EP
European Patent Office
Prior art keywords
wash liquor
foam
basket
formation
volume flow
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
EP12716434.1A
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German (de)
English (en)
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EP2701571A2 (fr
Inventor
Roland Rieger
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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.)
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Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL12716434T priority Critical patent/PL2701571T3/pl
Publication of EP2701571A2 publication Critical patent/EP2701571A2/fr
Application granted granted Critical
Publication of EP2701571B1 publication Critical patent/EP2701571B1/fr
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Classifications

    • 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
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4219—Water recirculation
    • A47L15/4221—Arrangements for redirection of washing water, e.g. water diverters to selectively supply the spray arms
    • 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
    • A47L15/0049—Detection or prevention of malfunction, including accident prevention
    • 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
    • A47L2401/08—Drain or recirculation pump parameters, e.g. pump rotational speed or current absorbed by the motor
    • 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
    • A47L2401/10—Water cloudiness or dirtiness, e.g. turbidity, foaming or level of bacteria
    • 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
    • A47L2401/11—Water hardness, acidity or basicity
    • 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
    • A47L2401/20—Time, e.g. elapsed operating time
    • 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
    • A47L2501/03—Water recirculation, e.g. control of distributing valves for redirection of water flow
    • 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
    • A47L2501/04—Water pressure or flow rate

Definitions

  • the invention relates to a dishwasher, in particular a domestic dishwasher and a method for operating a dishwasher, in particular a domestic dishwasher.
  • a ceiling spraying device e.g. in the form of a ceiling spray arm, a roof shower or a roof gyro, and / or a top basket spray device, e.g. in the form of a top basket spray arm used.
  • a lower basket spray device e.g. used in the form of a arranged in the bottom region of the washing compartment lower basket spray arm.
  • the supply of the spraying devices with the rinsing liquid takes place via supply lines, wherein a pump, for example a circulating pump, feeds the rinsing liquid into the supply lines.
  • a pump for example a circulating pump
  • the supply lines lead the rinsing liquid, which is conveyed by the pump, to the spray devices, from which the rinsing material in the racks is exposed to rinsing liquid.
  • a distribution unit e.g. in the form of a water diverter, which allows a separate supply of water to the individual spray devices or even a group of spray devices.
  • a dishwashing machine with a rinsing container devices for rinsing dishes by means of rinsing liquor, a pump for circulating the rinsing liquor and a detection means for detecting foaming in the rinsing liquor in a subprogram step "rinsing" is known, wherein in the case of a detected by the detection means foaming the Foaming can be counteracted with means, in particular a rinsing bath temperature can be increased.
  • the object of the invention is to provide a dishwasher, in particular domestic dishwasher, with at least two spray devices which can be supplied separately with rinsing liquid and a method for operating such a dishwasher, in which foaming in the rinsing liquid is suppressed effectively and with simple means and thus in a cost-saving manner.
  • a dishwasher comprises a rinsing container for receiving items to be cleaned, at least two arranged within the rinsing sprayers for applying the rinsing material with rinsing liquid, a pump, in particular circulation pump for conveying rinsing liquid to the spray devices, controlled by a control unit distribution unit for distribution the conveyed rinsing liquid to a single or a group of spray devices, wherein a volume flow of the rinsing liquid is adjusted depending on the distribution of the rinsing liquid on the spray devices.
  • the dishwasher has a detection device for detecting foaming in the rinsing liquid. Upon detection of foaming in the rinsing liquid, the control unit controls the distributor unit in such a way that the distribution of the rinsing liquid on the spray devices changes in such a way that the tendency for foam formation to decrease.
  • the invention is based on the basic idea that the tendency to foaming is actively influenced by a changed distribution of the rinsing liquid to the individual spraying devices due to the thus changed liquid paths and / or the resulting changed impact characteristics of downwardly flowing rinsing liquid on the bottom or sieve region of the rinsing container can. So can be reduced by a simple change to another spray the tendency to foam or even eliminated completely.
  • Such operating phases thus act in terms of foaming as calming phases in which no new foam is formed and in which the already existing foam degrades again.
  • the distributor unit is controlled by the control unit upon detection of foaming in the rinsing liquid such that a volume flow of the rinsing liquid which is reduced in comparison to a current volume flow is also established.
  • the pump sucks in air, which is thus fed into the rinsing fluid circuit.
  • an excessively high proportion of air promotes foaming, in particular in conjunction with a high dirt concentration and / or a rinse aid mixed with the rinsing liquid.
  • the operation with Reduced flow thus also represents a kind of calming phase, in which no new foam formed and in which the existing foam decreases again.
  • the reduction of the volume flow of the rinsing liquid is achieved in a particularly simple and thus cost-effective manner that with the aid of a distribution unit, for example in the form of a water diverter, a change to another spray device is made, automatically adjusts a lesser volume flow in the loading of rinsing liquid ,
  • the lower volume flow can result, for example, from a smaller number of outlet openings for the rinsing liquid and / or reduced diameters of the outlet openings at the spray devices.
  • the different installation height of the individual spray devices and / or different cross-sections of the supply lines have an effect on the respectively adjusting volume flow.
  • a change in other operating parameters, such as the pump speed can be made to further support the foam suppression, but is generally not required.
  • the invention can be used in dishwashers, in which an alternate feeding of individual spray devices or groups of spray devices with rinsing liquid is provided anyway.
  • the foam suppression according to the invention even allows, in a maximum flow mode, e.g. in lower basket operation, in which the rinsing liquid is distributed exclusively to a lower basket spraying device, to allow a predeterminable amount of air bound into the rinsing fluid circuit.
  • the activation of the distributor unit according to the invention in the detection of foaming ensures that in good time before an excessive drop in the delivery pressure and thus the delivery rate of the pump to another operating mode, e.g. Upper basket operation and / or ceiling operation, with a lesser tendency to foaming and possibly also a reduced flow rate is changed.
  • the detection device comprises a sensor system which detects at least one operating parameter of the pump or of a drive unit associated with the pump, eg in the form of an electric motor, wherein the at least one operating parameter is dependent on a proportion of foam in the conveyed rinsing liquid. Foaming in the rinsing liquid can then be detected in this case if the at least one operating parameter or a variable derived therefrom reaches a predefinable limit value.
  • the pump speed and / or the pump pressure and / or the noise radiation emitted by the pump and / or the absorbed active power of the pump can be used.
  • the detection device is designed to determine the pump speed and / or the pump pressure.
  • the detection device is for detecting the noise radiation emitted by the pump, e.g. Volume or audio frequency, formed.
  • the indirect determination of the foaming on the determination of an operating parameter of the pump or the associated drive unit can be structurally particularly simple accomplish. If foaming occurs in the rinsing liquid, which is supplied to circulate the pump, this is reflected in a decreasing pump pressure and at the same time in an increasing rotational speed of the pump. As a result, the operating noise of the pump, e.g. Volume or tone frequency.
  • the pump speed can be determined via an arbitrarily designed speed sensor. If the speed of the pump can be controlled or regulated, then no additional speed sensor need be provided, since the speed can be sensed by the pump itself. In this way, additional costs can be avoided.
  • the evaluation unit can be advantageously integrated into the control unit for controlling the distribution unit, but can also be designed as an independent unit or integrated into the sensor system.
  • At least one lower-basket spraying device is located inside the washing container and on the other hand at least one upper basket spraying device and / or a ceiling spraying device arranged.
  • the control unit controls upon detection of foaming in the rinsing liquid, the distributor unit such that the rinsing liquid is distributed to the upper-basket spraying device and / or the ceiling spray device.
  • a corresponding operating method provides that, when in a lower basket operation, in which the rinsing liquid is distributed exclusively to the lower basket spray device, foam formation is detected, the distribution unit is controlled such that is changed from the lower basket operation in a Oberkorb- and / or ceiling operation ,
  • the distribution unit is controlled such that is changed from the lower basket operation in a Oberkorb- and / or ceiling operation .
  • a particularly effective suppression of foaming with simultaneous optimal cleaning performance can be achieved in this case, that the distributor unit is controlled in detected foaming in lower basket operation such that first for a first period in the ceiling operation and then changed for a second period in the upper basket operation ,
  • Fig. 1 is a dishwasher with a, a Spülraum limiting rinse tank 1 shown.
  • a not-shown items to be cleaned can be arranged in dish racks in the form of a lower basket 3 and an upper basket 5.
  • three spraying devices provided in different spraying levels are arranged in the form of a lower basket spraying device 7, an upper basket spraying device 8 and a ceiling spraying device 9, via which the washware to be cleaned is supplied with washing liquid.
  • the lower basket spraying device 7 and the upper basket spraying device are exemplified as spray arms and the ceiling spraying device 9 exemplified as a shower head.
  • Spül contemporanerteil is a pump pot 10 with only roughly indicated Screen assembly 11 is provided.
  • a circulation line 12 with pump 13 arranged therein is led away in the form of a circulating pump 13 'and a downstream water heater 14.
  • a distributor unit 15 in the form of a water distributor 15 ' is provided, at which three supply lines 16 branch off from the circulation line 12.
  • the water diverter 15 ' serves to distribute the rinsing liquid conveyed by the circulating pump 13' to a single or also to a group of the spraying devices 7, 8, 9.
  • the rinsing liquid sprayed out of the spray devices 7, 8, 9 collects on the rinsing container bottom and is introduced again via the sump 10 into the recirculation line 12, so that a liquid circuit is formed.
  • a drain pump 20 is arranged for pumping out rinsing liquid from the washing compartment 1.
  • a water inlet valve 19 is arranged in the fresh water supply line 18.
  • the dishwasher has a program control device 21 with which known program steps, such as pre-rinsing, cleaning, intermediate rinsing, rinsing and / or drying, can be carried out.
  • the program control device 21 can control the respective device components via signal lines shown in dashed lines.
  • the circulation pump 13 ' is assigned a drive unit 22 in the form of an electric motor 22', which drives the circulation pump 13 'via a drive shaft 23.
  • the electric motor 22 ' can be designed, for example, as a so-called BLDC motor, that is, brushless DC motor.
  • the electric motor 22 ' may also be associated with an unillustrated inverter or inverter, the Electric motor 22 'supplied with electrical energy.
  • the inverter or inverter generates the required electrical three-phase voltage for the electric motor 22 ', ie an electrical voltage with the required frequency and required RMS value.
  • the program control device 21, the electric motor 22 'of the circulation pump 13' control control, if necessary, also regulate.
  • an operating parameter of the electric motor 22 ' such as e.g. the speed can be detected during pump operation.
  • the operating parameter thus detected is conducted via a signal line 25 to an evaluation unit 26 and evaluated there.
  • the evaluation unit 26 is integrated into the program control device 21. Alternatively, however, the evaluation unit 26 can also be realized separately or integrated into the sensor system 24.
  • the operating parameters detected by the sensors 24, e.g. the speed of the electric motor 22 ' is dependent on a proportion of foam in the conveyed rinsing liquid.
  • a foaming in the rinsing liquid can be detected.
  • any desired operating parameter of the circulating pump 13 'or the associated electric motor 22' for detecting foaming in the rinsing liquid can be detected and evaluated, provided that the operating parameter changes as a function of the proportion of foam in the rinsing liquid.
  • the sensor 24 thus forms, together with the evaluation unit 26, a detection device 27 for detecting foaming in the rinsing liquid.
  • FIG. 2 shows schematically the time course of the volume flow of the rinsing liquid.
  • the dishwasher is operated in lower basket operation. This results in a maximum volume flow Q1. Due to the high volume flow and the permissible air content in the lower basket operation, foaming in this operating mode can not be ruled out.
  • the volume flow abruptly drops to a minimum value Q2.
  • the reduced volume flow leads to a significant reduction of the air content in the rinsing liquid and thus to avoid further foaming. Rather, the already formed foam is reduced again.
  • foaming acts as a calming phase, in which the foam formed can degrade again.
  • the average volume flow Q3 leads in comparison to the high volume flow Q1 during the lower basket operation to a reduction of the air content in the washing liquid, in which further foaming is avoided and in which already formed foam can degrade again.
  • the upper basket operation still acts as a calming phase with regard to foam formation.
  • a third time interval .DELTA.t3 between two Unterkorb Anlageneri, which is composed in the illustrated embodiment of the two periods .DELTA.t1 and .DELTA.t2 is set such that the already formed foam is degraded again at least to such an extent that sufficient Spülante be achieved in the course of the rinsing process can.
  • FIG. 3 shows schematically the time course of the volume flow of the rinsing liquid when using an operating method according to the invention according to a second embodiment.
  • the second embodiment differs from the first embodiment only in that after a renewed change to the lower basket operation at time 4, the speed of the circulating pump 13 'associated electric motor 22' is reduced compared to the previous lower basket operation in the period between T0 and T2, which manifests itself in a volume flow Q1 'reduced to the maximum volume flow Q1. If necessary, this reduction in the speed can also be continued over several periods, as shown.
  • the invention has been described by way of example for a dishwashing machine in which different volume flows of the washing liquid result in lower basket operation, in upper basket operation and in ceiling operation, which supports the desired suppression of foam formation. It should be expressly understood, however, that the invention Basically, regardless of a change in the volume flow can be used, since even the changed fluid paths and / or the resulting changed impact characteristics of the flowing down flushing liquid on the container bottom can cause the desired suppression of foaming.

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  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Washing And Drying Of Tableware (AREA)

Claims (15)

  1. Lave-vaisselle, notamment lave-vaisselle à usage domestique, comprenant
    - une cuve de lavage (1) destinée à loger des produits à nettoyer,
    - au moins deux dispositifs d'arrosage (7, 8, 9) disposés à l'intérieur de la cuve de lavage (1), destinés à alimenter les produits à nettoyer en liquide de lavage,
    - une pompe (13), notamment une pompe de circulation (13'), destinée à transporter du liquide de lavage vers les dispositifs d'arrosage (7, 8, 9),
    - une unité de commande (17)
    - un dispositif de détection (27) pour détecter une formation de mousse dans le liquide de lavage,
    caractérisé en ce que le lave-vaisselle présente en outre
    - une unité de distribution (15) commandée par l'unité de commande (17), destinée à répartir le liquide de lavage transporté sur un seul ou sur un groupe de dispositifs d'arrosage (7, 8, 9), un débit volume du liquide de lavage se réglant en fonction de la répartition du liquide de lavage sur les dispositifs d'arrosage (7, 8, 9),
    l'unité de commande (17) étant agencée de manière à ce qu'en cas de détection de formation de mousse dans le liquide de lavage, l'unité de distribution (15) soit commandée de manière à ce que la répartition du liquide de lavage sur les dispositifs d'arrosage (7, 8, 9) se modifie de façon à ce que la tendance à la formation de mousse diminue.
  2. Lave-vaisselle selon la revendication 1, l'unité de commande (17), en cas de détection de formation de mousse, commandant l'unité de distribution (15) de telle manière qu'un débit volume diminué se règle par rapport à un début volume actuel.
  3. Lave-vaisselle selon l'une quelconque des revendications 1 ou 2, le dispositif de détection (27) comprenant des capteurs (24), lesquels enregistrent au moins un paramètre de fonctionnement de la pompe (13) ou d'une unité d'entraînement (22) attribuée à la pompe (13), l'au moins un paramètre de fonctionnement étant dépendant d'une proportion de mousse dans le liquide de lavage transporté.
  4. Lave-vaisselle selon la revendication 3, le dispositif de détection (27) comprenant une unité d'évaluation (26), laquelle détecte une formation de mousse dans le liquide de lavage lorsque l'au moins un paramètre de fonctionnement ou une grandeur qui en est dérivée atteint une valeur limite prédéfinissable.
  5. Lave-vaisselle selon l'une quelconque des revendications 1 ou 2, le dispositif de détection (27) comprenant des capteurs, notamment au moins un capteur chimique ou optique, lequel détecte immédiatement une formation de mousse dans le liquide de lavage.
  6. Lave-vaisselle selon l'une quelconque des revendications précédentes,
    - au moins un dispositif d'arrosage (7) de panier inférieur étant disposé à l'intérieur de la cuve de lavage (1),
    - au moins un dispositif d'arrosage (8) de panier supérieur et/ou un dispositif d'arrosage (9) de plafond étant disposés à l'intérieur de la cuve de lavage (1) et
    - l'unité de commande (17) commandant l'unité de distribution (15) en cas de détection de formation de mousse dans le liquide de lavage, de manière à ce que le liquide de lavage soit réparti sur le dispositif d'arrosage (8) de panier supérieur et/ou sur le dispositif d'arrosage (9) de plafond.
  7. Lave-vaisselle selon la revendication 6,
    - un débit volume, en cas d'alimentation du dispositif d'arrosage (7) du panier inférieur, plus élevé du liquide de lavage que dans le cas de l'alimentation du dispositif d'arrosage (8) du panier supérieur et/ou du dispositif d'arrosage (9) du plafond se réglant.
  8. Procédé de fonctionnement d'un lave-vaisselle, notamment d'un lave-vaisselle à usage domestique, comprenant au moins deux dispositifs d'arrosage (7, 8, 9) disposés à l'intérieur d'une cuve de lavage (1), destinés à alimenter des produits à nettoyer en liquide de lavage, et comprenant une pompe (13), notamment une pompe de circulation (13'), destinée à transporter du liquide de lavage vers les dispositifs d'arrosage (7, 8, 9), le liquide de lavage transporté pouvant être réparti sur un seul ou sur un groupe de dispositifs d'arrosage (7, 8, 9) au moyen d'une unité de distribution (15) et un débit volume du liquide de lavage se réglant en fonction de la répartition du liquide de lavage sur les dispositifs d'arrosage (7, 8, 9), dans lequel
    - une formation de mousse dans le liquide de lavage est détectée et
    - dans lequel l'unité de distribution (15), en cas de détection de formation de mousse dans le liquide de lavage, est commandée de manière à ce que la répartition du liquide de lavage sur les dispositifs d'arrosage (7, 8, 9) se modifie de façon à ce que la tendance à la formation de mousse diminue.
  9. Procédé selon la revendication 8, l'unité de distribution (15), en cas de détection de formation de mousse dans le liquide de lavage, étant commandée de manière à ce qu'un débit volume diminué du liquide de lavage se règle par rapport à un débit volume actuel.
  10. Procédé selon la revendication 9, l'unité de distribution (15), en cas de détection de formation de mousse dans le liquide de lavage, étant commandée de manière à ce qu'un débit volume minimum réalisable du liquide de lavage se règle.
  11. Procédé selon l'une quelconque des revendications 8 à 10,
    - au moins un paramètre de fonctionnement de la pompe (13) ou d'une unité d'entraînement (22) attribuée à la pompe étant enregistré, lequel est dépendant d'une proportion de mousse dans le liquide de lavage transporté, et
    - une formation de mousse dans le liquide de lavage étant détectée lorsque l'au moins un paramètre de fonctionnement ou une grandeur qui en est dérivée atteint une valeur limite prédéfinissable.
  12. Procédé selon l'une quelconque des revendications 8 à 10, une formation de mousse dans le liquide de lavage étant enregistrée immédiatement à l'aide de capteurs, notamment d'au moins un capteur chimique ou optique.
  13. Procédé selon l'une quelconque des revendications 8 à 12, l'unité de distribution (15) étant commandée de manière à ce qu'une alternance ait lieu d'un fonctionnement du panier inférieur, dans lequel le liquide de lavage est réparti uniquement sur un dispositif d'arrosage (7) de panier inférieur, en un fonctionnement de panier supérieur, dans lequel le liquide de lavage est réparti uniquement sur un dispositif d'arrosage (8) du panier supérieur et/ou un fonctionnement du plafond, dans lequel, le liquide de lavage est réparti uniquement sur un dispositif d'arrosage (9) de plafond, lorsque une formation de mousse est détectée en fonctionnement du panier inferieur.
  14. Procédé selon la revendication 12, un débit volume, en fonctionnement du panier supérieur et/ou en fonctionnement du plafond, plus petit qu'en fonctionnement du panier se réglant.
  15. Procédé selon la revendication 14,
    - un débit volume, en fonctionnement du plafond, plus petit qu'en fonctionnement du panier supérieur se réglant, et
    - l'unité de distribution (15) étant commandée de manière à ce que pour une première période de temps est commutée en fonctionnement du plafond et ensuite pour une deuxième période de temps est commutée en fonctionnement du panier supérieur lorsqu' en fonctionnement du panier inférieur une formation de mousse est détectée.
EP12716434.1A 2011-04-29 2012-04-25 Lave-vaisselle et procede pour faire fonctionner un lave-vaisselle Active EP2701571B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12716434T PL2701571T3 (pl) 2011-04-29 2012-04-25 Zmywarka do naczyń i sposób eksploatacji zmywarki do naczyń

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011075020A DE102011075020A1 (de) 2011-04-29 2011-04-29 Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine
PCT/EP2012/057518 WO2012146599A2 (fr) 2011-04-29 2012-04-25 Lave-vaisselle et procédé pour faire fonctionner un lave-vaisselle

Publications (2)

Publication Number Publication Date
EP2701571A2 EP2701571A2 (fr) 2014-03-05
EP2701571B1 true EP2701571B1 (fr) 2015-01-21

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EP12716434.1A Active EP2701571B1 (fr) 2011-04-29 2012-04-25 Lave-vaisselle et procede pour faire fonctionner un lave-vaisselle

Country Status (4)

Country Link
EP (1) EP2701571B1 (fr)
DE (1) DE102011075020A1 (fr)
PL (1) PL2701571T3 (fr)
WO (1) WO2012146599A2 (fr)

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EP4271241A4 (fr) * 2020-12-30 2025-01-08 Arcelik As Lave-vaisselle

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CN104797184B (zh) 2012-11-08 2017-07-25 伊莱克斯家用产品公司 检测洗碗机的操作状态
WO2014071981A1 (fr) 2012-11-08 2014-05-15 Electrolux Home Products Corporation N. V. Détection d'obstruction de filtre
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PL2701571T3 (pl) 2015-06-30
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EP2701571A2 (fr) 2014-03-05
WO2012146599A2 (fr) 2012-11-01

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