EP2459789B1 - Water-conducting domestic appliance - Google Patents

Water-conducting domestic appliance Download PDF

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Publication number
EP2459789B1
EP2459789B1 EP10739879.4A EP10739879A EP2459789B1 EP 2459789 B1 EP2459789 B1 EP 2459789B1 EP 10739879 A EP10739879 A EP 10739879A EP 2459789 B1 EP2459789 B1 EP 2459789B1
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EP
European Patent Office
Prior art keywords
water
domestic appliance
bowl
lighting means
state
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EP10739879.4A
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German (de)
French (fr)
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EP2459789A1 (en
Inventor
Klaus Försterling
Johannes Geyer
Thoralf Greger
Ingo Schulze
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
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BSH Bosch und Siemens Hausgeraete GmbH
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Priority to PL10739879T priority Critical patent/PL2459789T3/en
Publication of EP2459789A1 publication Critical patent/EP2459789A1/en
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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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • D06F39/022—Devices for adding soap or other washing agents in a liquid state

Definitions

  • the invention relates to a water-conducting household appliance, in particular a laundry treatment appliance for washing and / or drying laundry. Specifically, the invention relates to the field of washing machines, tumble dryers and laundry dryers in which the functions of washing and drying are integrated in one device.
  • a washing machine in which a plurality of containers filled with laundry treatment agents are provided.
  • the amount of laundry treatment agent is sufficient for several washing cycles.
  • metering units are provided which introduce certain quantities of laundry treatment agents into the washing drum.
  • the containers are arranged on a movable support, wherein the containers are accessible in an extended position and in a retracted position are not accessible.
  • the from the EP 1 884 584 A2 known washing machine has the disadvantage that the verification of whether the available amounts of laundry treatment products are sufficient for a user is consuming.
  • DE 34 487 303 A1 discloses a washing machine with a reservoir for laundry treatment agent below the tub of the washing machine, which reservoir can be filled via a line from the dispenser shell. It is provided a level gauge, which outputs a signal in the control panel. In this construction, there is the disadvantage that the level can be indicated only indirectly, since the reservoir and the level signal are not spatially related.
  • supply devices of dishwashers can also have means for level monitoring on a mechanical and / or electronic basis.
  • a float design may be provided in conjunction with a reed contact.
  • DE 32 38 540 A1 describes a program-controlled washing machine,
  • diodes are provided at the receiving spaces. If, for example, a particular luminance diode illuminates, it indicates that 1 1/2 cups of pre-wash agent should be filled in the assigned pre-wash agent holding space in accordance with the assigned symbol.
  • the object of the invention is to provide a water-conducting household appliance, in which the operability is improved. Specifically, it is an object of the invention to provide a water-conducting household appliance, in which a simple way to check a level of a shell is possible.
  • the object is achieved by an inventive water-conducting household appliance with the features of claim 1. Specifically, there is the advantage that a display is possible indicating whether the level is sufficient or not, and a simple visual control by a user is possible.
  • the water-conducting domestic appliance can be designed as a laundry treatment appliance, a dishwasher or the like.
  • the shell can be inserted or inserted into the housing part.
  • the water-conducting household appliance is designed as a laundry treatment appliance, which is used for washing and / or drying laundry.
  • the laundry treatment appliance can thus be configured as a washing machine, dryer or washer-dryer.
  • the shell can take over the function of a dispenser tray.
  • the tray which can accommodate a supply of laundry treating agent sufficient for several cycles of treatment, additionally provides the possibility of providing an additional laundry treating agent for the following treatment cycle, in particular washing cycle.
  • the shell can also be designed as a condensation water container, wherein the level measuring device in this case measures the level of condensed water.
  • the water-conducting household appliance is designed as a washing machine or washer-dryer.
  • a light outlet of the luminous means is arranged in the region of an aperture of the shell.
  • the shell is preferably arranged in the region of a control panel or the like, in order to allow ergonomic access.
  • the shell is arranged in the region of a cover plate of the water-conducting household appliance.
  • the outside of the diaphragm is designed to be transparent or translucent at least in an area assigned to the light exit.
  • the aperture of the shell can be made simpler.
  • the outer side of the shell can be configured flat at least in the region of the light exit.
  • the lighting means may be at least partially integrated in the shell. But it is also advantageous that the housing part receives the bulb, whereby the design of the shell is simplified.
  • the lighting means may advantageously comprise a light-emitting diode.
  • a light guide can be provided, which leads the light emitted by the diode to the light exit.
  • different light-emitting elements based on a semiconductor can be used as the light-emitting diode.
  • the design is also possible as a so-called organic LED or the like.
  • the level gauge comprises a float switch disposed in the shell and a controller connected to the float switch.
  • the float can detect different water levels in an advantageous manner. This detection can be done in discrete steps.
  • the filling level measuring device is configured such that a plurality of predetermined states of the filling level are detected.
  • the predetermined states of the fill level measuring device it is advantageous for the predetermined states of the fill level measuring device to distinguish an empty state, a fast empty state and a full state.
  • the empty state is predetermined so that a proper program run is no longer possible. In this case, before the next start of the program, it is necessary to fill up with a laundry treatment agent by a user.
  • the near empty state indicates that the current fill level is only sufficient for a few program runs.
  • the current level can be sufficient for only one program run or for only one or two program runs.
  • the full state indicates that there is a sufficient level that will allow more program runs than a fast empty state.
  • This subdivision allows a user to be informed of the current state in an easy-to-understand manner.
  • the user is also a forward-looking planning allows. This also enables the user to to procure new laundry treatment products on time.
  • the shell has a plurality of chambers which serve for receiving different laundry treatment means, and that the fill level measuring device detects the fill levels of the individual chambers of the shell.
  • Fig. 1 shows a water-conducting household appliance 1 in a partial, schematic sectional view according to a first embodiment of the invention.
  • the water-conducting domestic appliance 1 can in particular be configured as a laundry treatment appliance and serve for washing and / or drying laundry.
  • the water-conducting household appliance 1 can be configured as a washing machine or washer-dryer.
  • the water-conducting household appliance 1 of the invention is also suitable for other applications, in particular, it may be configured as a dishwasher.
  • the water-conducting household appliance 1 has at least one housing part 2 with a cover plate 3.
  • the cover plate 3 forms the top of the household appliance 1.
  • the housing part 2 has a front surface 4.
  • the housing part 2 has an opening 5 in the region of the front surface 4, via which a shell 6 can be introduced into the housing part 2.
  • the shell 6 is inserted through the opening 5 in the housing part 2. It is also possible that the shell 6 is inserted into the housing part 2.
  • the shell 6 has a base body 7 and an aperture 8.
  • the shell 6 has at least one chamber 9 which is at least partially filled with a liquid 10.
  • the liquid 10 is a laundry treatment agent 10.
  • the term liquid is to be understood in general, in particular, the liquid 10 may be configured relatively viscous or particles, in particular powdered ingredients have.
  • the liquid 10, in particular the laundry treatment agent 10, is distributed uniformly in the chamber 9 of the shell 6, so that a certain filling level 11 results.
  • a shimmer switch 15 is arranged, which has a float 16.
  • the float 16 is lifted by the laundry treatment agent 10 as it floats on the laundry treatment agent 10.
  • the position of the floating body 16 corresponds at least approximately to the filling level 11 of the laundry treatment agent 10 in the chamber 9.
  • the float switch 15 is part of a fill level measuring device 17, which also comprises a control device 18.
  • the control device 18 is arranged within the housing part 2.
  • the level measuring device 17 detects a fill level of the chamber 9 of the shell 6 determined by the filling level 11. In dependence on the measurement of this level, the fill level measuring device 17 controls a light source 20.
  • the light-emitting means 20 is designed as a light-emitting diode (LED).
  • the illuminant 20 is integrated in this embodiment in the aperture 8 of the shell 6.
  • an aperture 22 is provided on an outer side 21 of the diaphragm 8, through which a light exit of the luminous means 20 is possible.
  • the aperture 8 can also be configured transparent or translucent, whereby the opening 22 can be omitted. This is particularly advantageous in a configuration that is based on the Fig. 2 is described.
  • the shell may have further chambers corresponding to the chamber 9, in which further float switch are arranged with floats.
  • the level measuring device 17 separately detect the levels in two or more chambers.
  • the control device 18 controls the light-emitting means 20 as a function of this detection.
  • Fig. 2 shows that in Fig. 1 shown water-conducting household appliance 1 in an excerpt from the designated II viewing direction according to a second embodiment.
  • the water-conducting household appliance 1 is shown without the shell 6.
  • the shows Fig. 2 a partial representation in which the shell 6 is removed.
  • light exits 24, 25 of light guides 26, 27 are arranged next to the opening 5 of the housing part 2 so that they are behind the aperture 8 in the inserted state of the shell 6.
  • the aperture 8 is configured transparent or translucent. It is also possible that the aperture 8 is designed to be translucent or transparent only in the region of the light exits 24, 25.
  • step S1 the level measuring device 17 starts the process. This can be done for example when switching on the water-conducting household appliance 1 or after a warm start. As a result, the user is informed early about the current operating state.
  • a start can be made at the beginning of a program run to check whether a proper program execution is possible. As a result, it can also be checked whether a user has filled or filled in one or more laundry treatment agents 10 in sufficient quantity.
  • a start can also be made at the end of a program run in order to inform the user about the operating state after the program execution, in particular a washing program.
  • step S2 the measurement of the fill level of at least one chamber 9 of the shell 6 takes place.
  • the fill level 11 is detected by means of the float 16 of the float switch 15. This detection can be discrete, i. in steps.
  • two threshold values for the filling level 11 and the current level are provided. If the measured level is not sufficient to allow a proper program flow of the water-bearing household appliance 1 and thus the filling level 11 is below a first threshold, then the level is set to "empty". If the level 11 indicates a level that is sufficient only for a few program runs, especially for about one or two program runs, then the level is set to "almost-empty". The filling level 11 lies between the first and a second threshold value.
  • the level is sufficient for a larger number of program runs, especially for more than two program runs, so that the level is set to "full".
  • step S3 it is checked whether the level indicates an empty state. If yes, what in the Fig. 3 is indicated by the arrow marked "1", then proceeding to step S4.
  • step S4 the control device 18 of the fill level measuring device 17 controls the light-emitting means 20 so that a red LED lights up. In addition, a fast flashing of the LED is caused. Since the luminous means 20 or a light outlet 24, 25 is arranged in the region of the panel 8 of the shell 6, a user can intuitively grasp that a filling or filling of a laundry treatment agent 10 into at least one chamber 9 of the shell 6 is required.
  • step S4 ends in step S8. In this case, the method S8 is terminated with an error code, so that after a certain time, a renewed start with the step S1.
  • step S3 If it is decided in step S3 that the level is not "empty”, then in the direction indicated by "0", i.e. in the direction indicated by "0" in FIG. with step S5, continued.
  • step S5 it is decided whether the level is "almost empty”. If yes, then continue with step S6.
  • step S6 the control device 18 activates a yellow "LED" of the luminous means 20, causing a slow flashing. This indicates to a user that, while there is no error and program execution is possible with respect to the existing laundry treating agent 10, but shortly, i. E. In about one or two further program runs, a filling or filling at least one laundry treatment agent 10 with respect to a chamber 9 is required. The process ends in step S8, terminating the process without error.
  • step S7 the level is equal to "full".
  • a green LED of the bulb 20 is driven.
  • the stocked laundry treatment agent 10 is sufficient for a larger number of further program runs, so that there is no need for action of a user.
  • the user has a feedback that everything is OK.
  • the user is spared a review of the level of the shell 6.
  • the operation of the water-conducting household appliance is also facilitated by the fact that the level may be difficult to estimate.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Description

Die Erfindung betrifft ein wasserführendes Haushaltsgerät, insbesondere ein Wäschebehandlungsgerät zum Waschen und/oder Trocknen von Wäsche. Speziell betrifft die Erfindung das Gebiet der Waschmaschinen, Wäschetrockner und Waschtrockner, bei denen die Funktionen des Waschens und Trocknens in einem Gerät integriert sind.The invention relates to a water-conducting household appliance, in particular a laundry treatment appliance for washing and / or drying laundry. Specifically, the invention relates to the field of washing machines, tumble dryers and laundry dryers in which the functions of washing and drying are integrated in one device.

Aus der EP 1 884 584 A2 ist eine Waschmaschine bekannt, bei der mehrere mit Wäschebehandlungsmitteln gefüllte Behälter vorgesehen sind. Die Menge der Wäschebehandlungsmittel reicht dabei für mehrere Waschzyklen aus. Ferner sind Zumesseinheiten vorgesehen, die gewisse Mengen an Wäschebehandlungsmitteln in die Waschtrommel einleiten. Die Behälter sind auf einem bewegbaren Träger angeordnet, wobei die Behälter in einer ausgeschobenen Stellung zugänglich und in einer eingezogenen Stellung nicht zugänglich sind. Die aus der EP 1 884 584 A2 bekannte Waschmaschine hat den Nachteil, dass die Überprüfung, ob die zur Verfügung stehenden Mengen an Wäschebehandlungsmitteln ausreichend sind, für einen Benutzer aufwändig ist.From the EP 1 884 584 A2 a washing machine is known in which a plurality of containers filled with laundry treatment agents are provided. The amount of laundry treatment agent is sufficient for several washing cycles. Furthermore, metering units are provided which introduce certain quantities of laundry treatment agents into the washing drum. The containers are arranged on a movable support, wherein the containers are accessible in an extended position and in a retracted position are not accessible. The from the EP 1 884 584 A2 known washing machine has the disadvantage that the verification of whether the available amounts of laundry treatment products are sufficient for a user is consuming.

DE 34 487 303 A1 offenbart eine Waschmaschine mit einem Vorratsbehälter für Wäschebehandlungsmittel unterhalb des Laugenbehälters der Waschmaschine, welche Vorratsbehälter über eine Leitung von der Einspülschale aus befüllbar ist. Es ist ein Füllstandsmesser vorgesehen, welcher ein Signal in der Bedienblende ausgibt. Bei dieser Konstruktion besteht der Nachteil, dass der Füllstand nur indirekt angegeben werden kann, da der Vorratsbehälter und das Füllstandssignal in keinem räumlichen Zusammenhang stehen. DE 34 487 303 A1 discloses a washing machine with a reservoir for laundry treatment agent below the tub of the washing machine, which reservoir can be filled via a line from the dispenser shell. It is provided a level gauge, which outputs a signal in the control panel. In this construction, there is the disadvantage that the level can be indicated only indirectly, since the reservoir and the level signal are not spatially related.

Aus der EP 1 637 060 A2 ist bekannt, dass Versorgungseinrichtungen von Geschirrspülmaschinen auch Mittel zur Füllstandsüberwachung auf mechanischer und/oder elektronischer Basis aufweisen können. Beispielsweise kann eine Schwimmer-Ausführung in Verbindung mit einem Reed-Kontakt vorgesehen sein.From the EP 1 637 060 A2 It is known that supply devices of dishwashers can also have means for level monitoring on a mechanical and / or electronic basis. For example, a float design may be provided in conjunction with a reed contact.

DE 32 38 540 A1 beschreibt eine programmgesteuerte Waschmaschine, Bei der bekannten Ausgestaltung sind Dioden an den Aufnahmeräumen vorgesehen. Leuchtet beispietsweise eine bestimmte Luminanzdiode, dann zeigt sie damit an, dass in den zugeordneten Vorwaschmittel-Aufnahmeraum entsprechend dem zugeordneten Symbol 1 1/2 Becher Vorwaschmittel gefüllt werden sollen. DE 32 38 540 A1 describes a program-controlled washing machine, In the known embodiment, diodes are provided at the receiving spaces. If, for example, a particular luminance diode illuminates, it indicates that 1 1/2 cups of pre-wash agent should be filled in the assigned pre-wash agent holding space in accordance with the assigned symbol.

Aufgabe der Erfindung ist es, ein wasserführendes Haushaltsgerät zu schaffen, bei dem die Bedienbarkeit verbessert ist. Speziell ist es eine Aufgabe der Erfindung, ein wasserführendes Haushaltsgerät anzugeben, bei dem eine einfache Möglichkeit zur Überprüfung eines Füllstands einer Schale möglich ist.The object of the invention is to provide a water-conducting household appliance, in which the operability is improved. Specifically, it is an object of the invention to provide a water-conducting household appliance, in which a simple way to check a level of a shell is possible.

Die Aufgabe wird durch ein erfindungsgemäßes wasserführendes Haushaltsgerät mit den Merkmalen des Anspruchs 1 gelöst. Speziell besteht der Vorteil, dass eine Anzeige möglich ist, die angibt, ob der Füllstand ausreicht oder nicht, und eine einfache visuelle Kontrolle durch einen Benutzer möglich ist.The object is achieved by an inventive water-conducting household appliance with the features of claim 1. Specifically, there is the advantage that a display is possible indicating whether the level is sufficient or not, and a simple visual control by a user is possible.

Durch die in den Unteransprüchen aufgeführten Maßnahmen sind vorteilhafte Weiterbildungen des im Anspruch 1 angegebenen wasserführenden Haushaltsgeräts möglich.The measures listed in the dependent claims advantageous developments of the claim 1 water-conducting household appliance are possible.

Das wasserführende Haushaltsgerät kann als Wäschebehandlungsgerät, als Geschirrspüler oder dgl. ausgestaltet sein. Je nach Ausgestaltung des wasserführenden Haushaltsgeräts kann die Schale in das Gehäuseteil eingesetzt oder eingeführt werden. Vorteilhaft ist es, dass das wasserführende Haushaltsgerät als Wäschebehandlungsgerät ausgestaltet ist, das zum Waschen und/oder Trocknen von Wäsche dient. Das Wäschebehandlungsgerät kann somit als Waschmaschine, Trockner oder Waschtrockner ausgestaltet sein. Die Schale kann dabei die Funktion einer Einspülschale übernehmen. Außerdem ist es möglich, dass die Schale, die einen für mehrere Behandlungszyklen ausreichenden Vorrat an Wäschebehandlungsmittein aufnehmen kann, zusätzlich die Möglichkeit bietet, ein zusätzliches Wäschebehandlungsmittel für den folgenden Behandlungszyklus, insbesondere Waschzyklus, bereitzustellen. Außerdem kann die Schale auch als Kondenswasserbehälter ausgestaltet sein, wobei die Füllstandsmesseinrichtung in diesem Fall den Füllstand des Kondenswassers misst. In besonders vorteilhafter Weise ist das wasserführende Haushaltsgerät als Waschmaschine oder Waschtrockner ausgestaltet.The water-conducting domestic appliance can be designed as a laundry treatment appliance, a dishwasher or the like. Depending on the configuration of the water-conducting household appliance, the shell can be inserted or inserted into the housing part. It is advantageous that the water-conducting household appliance is designed as a laundry treatment appliance, which is used for washing and / or drying laundry. The laundry treatment appliance can thus be configured as a washing machine, dryer or washer-dryer. The shell can take over the function of a dispenser tray. In addition, it is possible that the tray, which can accommodate a supply of laundry treating agent sufficient for several cycles of treatment, additionally provides the possibility of providing an additional laundry treating agent for the following treatment cycle, in particular washing cycle. In addition, the shell can also be designed as a condensation water container, wherein the level measuring device in this case measures the level of condensed water. In a particularly advantageous manner, the water-conducting household appliance is designed as a washing machine or washer-dryer.

Vorteilhaft ist es, dass ein Lichtaustritt des Leuchtmittels im Bereich einer Blende der Schale angeordnet ist. Hierbei ist die Schale vorzugsweise im Bereich eines Bedienpaneels oder dgl. angeordnet, um einen ergonomischen Zugriff zu ermöglichen. Beispielsweise ist die Schale im Bereich einer Deckplatte des wasserführenden Haushaltsgeräts angeordnet. Durch die Wahl des Lichtaustritts des Leuchtmittels im Bereich der Blende ist eine intuitive Zuordnung der Anzeige des Leuchtmittels zu dem Füllstand der Schale möglich. Dies erleichtert die Benutzung des wasserführenden Haushattsgeräts.It is advantageous that a light outlet of the luminous means is arranged in the region of an aperture of the shell. In this case, the shell is preferably arranged in the region of a control panel or the like, in order to allow ergonomic access. For example, the shell is arranged in the region of a cover plate of the water-conducting household appliance. By the choice of the light emission of the light source in the region of the aperture, an intuitive assignment of the display of the light source to the level of the shell is possible. This facilitates the use of the water-bearing Haushattsgeräts.

Die Außenseite der Blende ist zumindest in einem dem Lichtaustritt zugeordneten Bereich transparent oder transluzent ausgestaltet. Dadurch ist eine Wahrnehmung des Leuchtmittels von außen möglich, wobei die Blende der Schale einfacher ausgestaltet werden kann. Speziell kann die Außenseite der Schale zumindest im Bereich des Lichtaustritts eben ausgestaltet werden.The outside of the diaphragm is designed to be transparent or translucent at least in an area assigned to the light exit. As a result, a perception of the light source from the outside is possible, wherein the aperture of the shell can be made simpler. Specifically, the outer side of the shell can be configured flat at least in the region of the light exit.

Das Leuchtmittel kann zumindest teilweise in die Schale integriert sein. Vorteilhaft ist es aber auch, dass das Gehäuseteil das Leuchtmittel aufnimmt, wodurch die Ausgestaltung der Schale vereinfacht ist.The lighting means may be at least partially integrated in the shell. But it is also advantageous that the housing part receives the bulb, whereby the design of the shell is simplified.

Das Leuchtmittel kann in vorteilhafter Weise eine lichtemittierende Diode aufweisen. Ferner kann ein Lichtleiter vorgesehen sein, der das von der Diode emittierte Licht zu dem Lichtaustritt führt. Als lichtemittierende Diode können dabei unterschiedliche, auf einem Halbleiter basierende Leuchtelemente zum Einsatz kommen. Möglich ist auch die Ausgestaltung als so genannte organische LED oder dgl.The lighting means may advantageously comprise a light-emitting diode. Furthermore, a light guide can be provided, which leads the light emitted by the diode to the light exit. In this case, different light-emitting elements based on a semiconductor can be used as the light-emitting diode. Also possible is the design as a so-called organic LED or the like.

Vorzugsweise umfasst die Füllstandsmesseinrichtung einen Schwimmerschalter, der in der Schale angeordnet ist, und eine Steuereinrichtung, die mit dem Schwimmerschalter verbunden ist. Hierbei kann der Schwimmerschafter in vorteilhafter Weise verschiedene Pegelstände erfassen. Diese Erfassung kann in diskreten Schritten erfolgen. In vorteilhafter Weise ist die Füllstandsmesseinrichtung so ausgestaltet, dass mehrere vorgegebene Zustände des Füllstands erfasst werden. Insbesondere ist es vorteilhaft, dass die vorgegebenen Zustände der Füllstandsmesseinrichtung einen Leer-Zustand, einen Fast-Leer-Zustand und einen Voll-Zustand unterscheiden. Dabei ist der Leer-Zustand so vorgegeben, dass kein ordnungsgemäßer Programmdurchlauf mehr möglich ist. In diesem Fall ist vor dem nächsten Programmstart ein Auffüllen mit einem Wäschebehandlungsmittel durch einen Benutzer erforderlich. Der Fast-Leer-Zustand gibt an, dass der momentane Füllstand nur noch für wenige Programmläufe ausreicht. Speziell kann der momentane Füllstand für nur noch einen Programmdurchlauf oder für nur noch ein bis zwei Programmdurchläufe ausreichen. Der Voll-Zustand gibt an, dass ein ausreichender Füllstand besteht, mit dem ncch mehr Programmdurchläufe als bei einem Fast-Leer-Zustand möglich sind. Durch diese Unterteilung kann ein Benutzer auf einfach wahrzunehmende Weise über den momentanen Zustand informiert werden. Hierbei wird dem Benutzer auch eine vorausschauende Planung ermöglicht. Dies versetzt den Benutzer auch in die Lage, rechtzeitig neue Wäschebehandlungsmittel zu beschaffen.Preferably, the level gauge comprises a float switch disposed in the shell and a controller connected to the float switch. In this case, the float can detect different water levels in an advantageous manner. This detection can be done in discrete steps. In an advantageous manner, the filling level measuring device is configured such that a plurality of predetermined states of the filling level are detected. In particular, it is advantageous for the predetermined states of the fill level measuring device to distinguish an empty state, a fast empty state and a full state. In this case, the empty state is predetermined so that a proper program run is no longer possible. In this case, before the next start of the program, it is necessary to fill up with a laundry treatment agent by a user. The near empty state indicates that the current fill level is only sufficient for a few program runs. Specifically, the current level can be sufficient for only one program run or for only one or two program runs. The full state indicates that there is a sufficient level that will allow more program runs than a fast empty state. This subdivision allows a user to be informed of the current state in an easy-to-understand manner. Here, the user is also a forward-looking planning allows. This also enables the user to to procure new laundry treatment products on time.

Vorteilhaft ist es auch, dass die Schale mehrere Kammern aufweist, die zum Aufnehmen von unterschiedlichen Wäschebehandlungsmitteln dienen, und dass die Füllstandsmesseinrichtung die Füllstände der einzelnen Kammern der Schale erfasst.It is also advantageous that the shell has a plurality of chambers which serve for receiving different laundry treatment means, and that the fill level measuring device detects the fill levels of the individual chambers of the shell.

Bevorzugte Ausführungsbeispiele der Erfindung sind in der nachfolgenden Beschreibung anhand der beigefügten Zeichnungen, in denen sich entsprechende Elemente mit übereinstimmenden Bezugszeichen versehen sind, näher erläutert. Es zeigt:

Fig. 1
ein wasserführendes Haushaltsgerät in einer auszugsweisen, schematischen Schnittdarstellung entsprechend einem ersten Ausführungsbeispiel der Erfindung;
Fig. 2
das in Fig. 1 dargestellte wasserführende Haushaltsgerät in einer auszugsweisen Darstellung aus der mit II bezeichneten Blickrichtung entsprechend einem zweiten Ausführungsbeispiel der Erfindung und
Fig. 3
ein Flussdiagramm zur weiteren Erläuterung der Funktion der Füllstandsmesseinrichtung eines wasserführenden Haushaltsgeräts entsprechend einer möglichen Ausgestaltung der Erfindung.
Preferred embodiments of the invention are explained in more detail in the following description with reference to the accompanying drawings, in which corresponding elements are provided with corresponding reference numerals. It shows:
Fig. 1
a water-conducting household appliance in a partial, schematic sectional view according to a first embodiment of the invention;
Fig. 2
this in Fig. 1 illustrated water-conducting household appliance in an excerpt from the designated II viewing direction according to a second embodiment of the invention and
Fig. 3
a flowchart for further explanation of the function of the level measuring device of a water-conducting household appliance according to a possible embodiment of the invention.

Fig. 1 zeigt ein wasserführendes Haushaltsgerät 1 in einer auszugsweisen, schematischen Schnittdarstellung entsprechend einem ersten Ausführungsbeispiel der Erfindung. Das wasserführende Haushaltsgerät 1 kann insbesondere als Wäschebehandlungsgerät ausgestaltet sein und zum Waschen und/oder Trocknen von Wäsche dienen. Speziell kann das wasserführende Haushaltsgerät 1 als Waschmaschine oder Waschtrockner ausgestaltet sein. Das wasserführende Haushaltsgerät 1 der Erfindung eignet sich allerdings auch für andere Anwendungsfälle, insbesondere kann es als Geschirrspüler ausgestaltet sein. Fig. 1 shows a water-conducting household appliance 1 in a partial, schematic sectional view according to a first embodiment of the invention. The water-conducting domestic appliance 1 can in particular be configured as a laundry treatment appliance and serve for washing and / or drying laundry. Specifically, the water-conducting household appliance 1 can be configured as a washing machine or washer-dryer. However, the water-conducting household appliance 1 of the invention is also suitable for other applications, in particular, it may be configured as a dishwasher.

Das wasserführende Haushaltsgerät 1 weist zumindest ein Gehäuseteil 2 mit einer Deckplatte 3 auf. Die Deckplatte 3 bildet die Oberseite des Haushaltsgeräts 1. Das Gehäuseteil 2 weist eine Frontfläche 4 auf. Ferner weist das Gehäuseteil 2 eine Öffnung 5 im Bereich der Frontfläche 4 auf, über die eine Schale 6 in das Gehäuseteil 2 einbringbar ist. In diesem Ausführungsbeispiel ist die Schale 6 über die Öffnung 5 in das Gehäuseteil 2 einführbar. Es ist auch möglich, dass die Schale 6 in das Gehäuseteil 2 eingesetzt wird.The water-conducting household appliance 1 has at least one housing part 2 with a cover plate 3. The cover plate 3 forms the top of the household appliance 1. The housing part 2 has a front surface 4. Furthermore, the housing part 2 has an opening 5 in the region of the front surface 4, via which a shell 6 can be introduced into the housing part 2. In this embodiment, the shell 6 is inserted through the opening 5 in the housing part 2. It is also possible that the shell 6 is inserted into the housing part 2.

Die Schale 6 weist einen Grundkörper 7 und eine Blende 8 auf. Die Schale 6 weist zumindest eine Kammer 9 auf, die zumindest teilweise mit einer Flüssigkeit 10 gefüllt ist. In diesem Ausführungsbeispiel handelt es sich bei der Flüssigkeit 10 um ein Wäschebehandlungsmittel 10. Der Begriff Flüssigkeit ist dabei allgemein zu verstehen, insbesondere kann die Flüssigkeit 10 relativ viskos ausgestaltet sein oder Partikel, insbesondere pulverförmige Bestandteile, aufweisen. Die Flüssigkeit 10, insbesondere das Wäschebehandlungsmittel 10, verteilt sich dabei gleichmäßig in der Kammer 9 der Schale 6, so dass sich eine gewisse Füllhöhe 11 ergibt.The shell 6 has a base body 7 and an aperture 8. The shell 6 has at least one chamber 9 which is at least partially filled with a liquid 10. In this embodiment, the liquid 10 is a laundry treatment agent 10. The term liquid is to be understood in general, in particular, the liquid 10 may be configured relatively viscous or particles, in particular powdered ingredients have. The liquid 10, in particular the laundry treatment agent 10, is distributed uniformly in the chamber 9 of the shell 6, so that a certain filling level 11 results.

In der Kammer 9 ist ein Schimmerschalter 15 angeordnet, der einen Schwimmkörper 16 aufweist. Der Schwimmkörper 16 wird von dem Wäschebehandlungsmittel 10 angehoben, da dieser auf dem Wäschebehandlungsmittel 10 schwimmt. Somit entspricht die Position des Schwimmkörpers 16 zumindest näherungsweise der Füllhöhe 11 des Wäschebehandlungsmittels 10 in der Kammer 9.In the chamber 9, a shimmer switch 15 is arranged, which has a float 16. The float 16 is lifted by the laundry treatment agent 10 as it floats on the laundry treatment agent 10. Thus, the position of the floating body 16 corresponds at least approximately to the filling level 11 of the laundry treatment agent 10 in the chamber 9.

Der Schwimmerschalter 15 ist Teil einer Füllstandsmesseinrichtung 17, die außerdem eine Steuereinrichtung 18 umfasst. Die Steuereinrichtung 18 ist innerhalb des Gehäuseteils 2 angeordnet. Mittels des Schwimmkörpers 16 des Schwimmerschalters 15 erfasst die Füllstandsmesseinrichtung 17 einen durch die Füllhöhe 11 bestimmten Füllstand der Kammer 9 der Schale 6. In Abhängigkeit von der Messung dieses Füllstands steuert die Füllstandsmesseinrichtung 17 ein Leuchtmittel 20 an. Das Leuchtmittel 20 ist als lichtemittierende Diode (LED) ausgebildet. Das Leuchtmittel 20 ist in diesem Ausführungsbeispiel in die Blende 8 der Schale 6 integriert. Dabei ist an einer Außenseite 21 der Blende 8 eine Öffnung 22 vorgesehen, durch die ein Lichtaustritt des Leuchtmittels 20 möglich ist. Die Blende 8 kann auch transparent oder transluzent ausgestaltet sein, wodurch die Öffnung 22 entfallen kann. Dies ist insbesondere bei einer Ausgestaltung von Vorteil, die anhand der Fig. 2 beschrieben ist.The float switch 15 is part of a fill level measuring device 17, which also comprises a control device 18. The control device 18 is arranged within the housing part 2. By means of the floating body 16 of the float switch 15, the level measuring device 17 detects a fill level of the chamber 9 of the shell 6 determined by the filling level 11. In dependence on the measurement of this level, the fill level measuring device 17 controls a light source 20. The light-emitting means 20 is designed as a light-emitting diode (LED). The illuminant 20 is integrated in this embodiment in the aperture 8 of the shell 6. In this case, an aperture 22 is provided on an outer side 21 of the diaphragm 8, through which a light exit of the luminous means 20 is possible. The aperture 8 can also be configured transparent or translucent, whereby the opening 22 can be omitted. This is particularly advantageous in a configuration that is based on the Fig. 2 is described.

Die Schale kann weitere der Kammer 9 entsprechende Kammern aufweisen, in denen weitere Schwimmerschalter mit Schwimmkörpern angeordnet sind. Hierdurch kann die Füllstandsmesseinrichtung 17 getrennt die Füllstände in zwei oder mehr Kammern erfassen. Die Steuereinrichtung 18 steuert in Abhängigkeit von dieser Erfassung das Leuchtmittel 20 an.The shell may have further chambers corresponding to the chamber 9, in which further float switch are arranged with floats. As a result, the level measuring device 17 separately detect the levels in two or more chambers. The control device 18 controls the light-emitting means 20 as a function of this detection.

Fig. 2 zeigt das in Fig. 1 dargestellte wasserführende Haushaltsgerät 1 in einer auszugsweisen Darstellung aus der mit II bezeichneten Blickrichtung entsprechend einem zweiten Ausführungsbeispiel. Dabei ist das wasserführende Haushaltsgerät 1 ohne die Schale 6 dargestellt. Somit zeigt die Fig. 2 eine auszugsweise Darstellung, in der die Schale 6 entnommen ist. In diesem Ausführungsbeispiel sind Lichtaustritte 24, 25 von Lichtleitern 26, 27 neben der Öffnung 5 des Gehäuseteils 2 so angeordnet, dass diese im eingeführten Zustand der Schale 6 hinter der Blende 8 liegen. Die Blende 8 ist dabei transparent oder transluzent ausgestaltet. Es ist auch möglich, dass die Blende 8 nur im Bereich der Lichtaustritte 24, 25 transluzent oder transparent ausgestaltet ist. Fig. 2 shows that in Fig. 1 shown water-conducting household appliance 1 in an excerpt from the designated II viewing direction according to a second embodiment. The water-conducting household appliance 1 is shown without the shell 6. Thus, the shows Fig. 2 a partial representation in which the shell 6 is removed. In this embodiment, light exits 24, 25 of light guides 26, 27 are arranged next to the opening 5 of the housing part 2 so that they are behind the aperture 8 in the inserted state of the shell 6. The aperture 8 is configured transparent or translucent. It is also possible that the aperture 8 is designed to be translucent or transparent only in the region of the light exits 24, 25.

Fig. 3 zeigt ein Flussdiagramm zur Erläuterung einer Funktionsweise der Füllstandsmesseinrichtung 17 entsprechend einer möglichen Ausgestaltung der Erfindung. Das Flussdiagramm ist anhand von Schritten S1 bis S8 dargestellt, denen folgende Schlagworte zugeordnet sind:

S1
"Start"
S2
"Messen des Füllstands"
S3
"Füllstand = "leer'"'
S4
"rote LED und schnell blinkend"
S5
"Füllstand = "fast leer'"'
S6
"gelbe LED und/oder langsam blinkend"
S7
"Füllstand := "voll" und grüne LED"
S8
"Ende"
Fig. 3 shows a flowchart for explaining an operation of the level measuring device 17 according to a possible embodiment of the invention. The flowchart is illustrated by steps S1 to S8, to which the following keywords are assigned:
S1
"Begin"
S2
"Measuring the level"
S3
"Level =" empty '"'
S4
"red LED and fast flashing"
S5
"Level =" almost empty '"'
S6
"yellow LED and / or slowly flashing"
S7
"Level: =" full "and green LED"
S8
"The End"

Im Schritt S1 startet die Füllstandsmesseinrichtung 17 das Verfahren. Dies kann beispielsweise beim Einschalten des wasserführenden Haushaltsgeräts 1 oder nach einem Warmstart erfolgen. Hierdurch wird der Benutzer frühzeitig über den momentanen Betriebszustand informiert. Außerdem kann ein Start gleich am Beginn eines Programmdurchlaufs erfolgen, um zu überprüfen, ob eine ordnungsgemäße Programmdurchführung möglich ist. Hierdurch kann auch überprüft werden, ob ein Benutzer ein oder mehrere Wäschebehandlungsmittel 10 in ausreichender Menge ein- oder aufgefüllt hat. Außerdem kann ein Start auch am Ende eines Programmdurchlaufs erfolgen, um den Benutzer über den Betriebszustand nach der Programmdurchführung, insbesondere einem Waschprogramm, zu informieren.In step S1, the level measuring device 17 starts the process. This can be done for example when switching on the water-conducting household appliance 1 or after a warm start. As a result, the user is informed early about the current operating state. In addition, a start can be made at the beginning of a program run to check whether a proper program execution is possible. As a result, it can also be checked whether a user has filled or filled in one or more laundry treatment agents 10 in sufficient quantity. In addition, a start can also be made at the end of a program run in order to inform the user about the operating state after the program execution, in particular a washing program.

Im Schritt S2 erfolgt die Messung des Füllstandes zumindest einer Kammer 9 der Schale 6. Hierbei wird die Füllhöhe 11 mittels des Schwimmkörpers 16 des Schwimmerschalters 15 erfasst. Diese Erfassung kann diskret, d.h. in Schritten, erfolgen. In diesem Ausführungsbeispiel sind zwei Schwellwerte für die Füllhöhe 11 bzw. den momentanen Füllstand vorgesehen. Wenn der gemessene Füllstand nicht ausreicht, um einen ordnungsgemäßen Programmdurchlauf des wasserführenden Haushaltsgeräts 1 zu ermöglichen und somit die Füllhöhe 11 unter einem ersten Schwellwert liegt, dann wird der Füllstand auf "leer" gesetzt. Wenn die Füllhöhe 11 einen Füllstand angibt, der nur noch für wenige Programmdurchläufe ausreicht, insbesondere für etwa ein bis zwei Programmdurchläufe, dann wird der Füllstand auf "fast-leer" gesetzt. Die Füllhöhe 11 liegt dabei zwischen dem ersten und einem zweiten Schwellwert.In step S2, the measurement of the fill level of at least one chamber 9 of the shell 6 takes place. In this case, the fill level 11 is detected by means of the float 16 of the float switch 15. This detection can be discrete, i. in steps. In this embodiment, two threshold values for the filling level 11 and the current level are provided. If the measured level is not sufficient to allow a proper program flow of the water-bearing household appliance 1 and thus the filling level 11 is below a first threshold, then the level is set to "empty". If the level 11 indicates a level that is sufficient only for a few program runs, especially for about one or two program runs, then the level is set to "almost-empty". The filling level 11 lies between the first and a second threshold value.

Ansonsten reicht der Füllstand für eine größere Anzahl an Programmdurchläufen, insbesondere für mehr als zwei Programmdurchläufe, so dass der Füllstand auf "voll" gesetzt wird.Otherwise, the level is sufficient for a larger number of program runs, especially for more than two program runs, so that the level is set to "full".

Im Schritt S3 wird überprüft, ob der Füllstand einen Leer-Zustand angibt. Falls ja, was in der Fig. 3 durch den mit "1" gekennzeichneten Pfeil veranschaulicht ist, dann wird mit dem Schritt S4 fortgefahren.In step S3, it is checked whether the level indicates an empty state. If yes, what in the Fig. 3 is indicated by the arrow marked "1", then proceeding to step S4.

Im Schritt S4 steuert die Steuereinrichtung 18 der Füllstandsmesseinrichtung 17 das Leuchtmittel 20 so an, dass eine rote LED leuchtet. Außerdem wird ein schnelles Blinken der LED verursacht. Da das Leuchtmittel 20 bzw. ein Lichtaustritt 24, 25 im Bereich der Blende 8 der Schale 6 angeordnet ist, kann ein Benutzer intuitiv erfassen, dass ein Einoder Auffüllen eines Wäschebehandlungsmittels 10 in zumindest eine Kammer 9 der Schale 6 erforderlich ist. Nach dem Schritt S4 endet das Verfahren im Schritt S8. In diesem Fall wird das Verfahren S8 mit einem Fehlercode beendet, so dass nach einer gewissen Zeit ein erneuter Start mit dem Schritt S1 erfolgt.In step S4, the control device 18 of the fill level measuring device 17 controls the light-emitting means 20 so that a red LED lights up. In addition, a fast flashing of the LED is caused. Since the luminous means 20 or a light outlet 24, 25 is arranged in the region of the panel 8 of the shell 6, a user can intuitively grasp that a filling or filling of a laundry treatment agent 10 into at least one chamber 9 of the shell 6 is required. After step S4, the process ends in step S8. In this case, the method S8 is terminated with an error code, so that after a certain time, a renewed start with the step S1.

Wenn im Schritt S3 entschieden wird, dass der Füllstand nicht "leer" ist, dann wird in der mit "0" gekennzeichneten Richtung, d.h. mit dem Schritt S5, fortgefahren.If it is decided in step S3 that the level is not "empty", then in the direction indicated by "0", i.e. in the direction indicated by "0" in FIG. with step S5, continued.

Im Schritt S5 wird entschieden, ob der Füllstand gleich "fast leer" ist. Falls ja, dann wird mit dem Schritt S6 fortgesetzt.In step S5, it is decided whether the level is "almost empty". If yes, then continue with step S6.

Im Schritt S6 steuert die Steuereinrichtung 18 eine gelbe "LED" des Leuchtmittels 20 an, wobei ein langsames Blinken verursacht wird. Dies siqnalisiert einem Benutzer, dass zwar kein Fehler vorliegt und eine Programmausführung im Hinblick auf das vorhandene Wäschebehandlungsmittel 10 möglich ist, aber in Kürze, d.h. in etwa ein bis zwei weiteren Programmdurchläufen, ein Ein- oder Auffüllen zumindest eines Wäschebehandlungsmittels 10 in Bezug auf eine Kammer 9 erforderlich ist. Das Verfahren endet im Schritt S8, wobei das Verfahren ohne Fehler beendet wird.In step S6, the control device 18 activates a yellow "LED" of the luminous means 20, causing a slow flashing. This indicates to a user that, while there is no error and program execution is possible with respect to the existing laundry treating agent 10, but shortly, i. E. In about one or two further program runs, a filling or filling at least one laundry treatment agent 10 with respect to a chamber 9 is required. The process ends in step S8, terminating the process without error.

Falls die Entscheidung im Schritt S5 verneint wird, dann wird das Verfahren mit dem Schritt S7 fortgesetzt. In diesem Fall ist der Füllstand gleich "voll". Somit wird eine grüne LED des Leuchtmittels 20 angesteuert. Das bevorratete Wäschebehandlungsmittel 10 reicht für eine größere Anzahl weiterer Programmdurchläufe, so dass kein Handlungsbedarf eines Nutzers besteht. Durch das Aufleuchten der grünen LED hat der Benutzer dabei eine Rückmeldung, dass alles in Ordnung ist. Hierdurch bleibt dem Benutzer eine Überprüfung des Füllstands der Schale 6 erspart.If the decision in the step S5 is denied, then the process proceeds to the step S7. In this case, the level is equal to "full". Thus, a green LED of the bulb 20 is driven. The stocked laundry treatment agent 10 is sufficient for a larger number of further program runs, so that there is no need for action of a user. By lighting up the green LED, the user has a feedback that everything is OK. As a result, the user is spared a review of the level of the shell 6.

Für den Benutzer wird der Betrieb des wasserführenden Haushaltsgeräts auch dadurch erleichtert, dass der Füllstand gegebenenfalls schwer abzuschätzen ist. Dies gilt insbesondere für Ausgestaltungen, bei denen die Schale 6 bis auf Einfüllöffnungen weitgehend geschlossen ausgestaltet ist.For the user, the operation of the water-conducting household appliance is also facilitated by the fact that the level may be difficult to estimate. This applies in particular to embodiments in which the shell 6 is configured largely closed except for filling openings.

Die Erfindung ist nicht auf die beschriebenen Ausführungsbeispiele beschränkt.The invention is not limited to the described embodiments.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

1
Wasserführendes Haushaltsgerät
Gehäuseteil
Deckplatte
Frontfläche
Öffnung
Schale
Grundkörper
Blende
Kammer
Flüssigkeit, Wäschebehandlungsmittel
Füllhöhe (Füllstand)
15
Schwimmerschalter
Schwimmkörper
Füllstandsmesseinrichtung
Steuereinrichtung
20
Leuchtmittel LED
21
Außenseite
22
Öffnung
24
Lichtaustritt
25
Lichtaustritt
26
Lichtleiter
27
Lichtleiter
S1 bis S8
Schritte
1
Water-conducting household appliance
housing part
cover plate
front surface
opening
Bowl
body
cover
chamber
Liquid, laundry treatment
Filling level (level)
15
float switch
float
Level measuring device
control device
20
Bulb LED
21
outside
22
opening
24
light output
25
light output
26
optical fiber
27
optical fiber
S1 to S8
steps

Claims (9)

  1. Water-conducting domestic appliance (1), particularly laundry treatment appliance for washing and/or drying laundry, with at least one housing part (2) and at least one bowl (6), which is introducible into the housing part (2), wherein a filing state measuring device (17) serving for measuring at least one filling state of the bowl (6) is provided, characterised in that at least one lighting means (20) is provided, that the filling state measuring device (17) is arranged to activate the lighting means (20) in dependence on a filling state of the bowl (6), that a light outlet (26) of the lighting means (20) is arranged in the region of a panel (8) of the bowl (6), that an outer side (21) of the panel (8) is constructed to be at least partly transparent or at least partly translucent and that the light outlet (24) of the lighting means (20) is arranged behind the transparent or translucent outer side (21) of the panel (8).
  2. Water-conducting domestic appliance according to claim 1, characterised in that the lighting means (20) is at least partly integrated in the bowl (6).
  3. Water-conducting domestic appliance according to claim 1 or 2, characterised in that the lighting means (20) is integrated in the housing part (2).
  4. Water-conducting domestic appliance according to any one of claims 1 to 3, characterised in that the lighting means (20) comprises at least one light-emitting diode.
  5. Water-conducting domestic appliance according to claim 4, characterised in that the lighting means (20) comprises an optical conductor (26) which conducts at least a part of the light, which is emitted by the lighting means (20), to the light outlet (24).
  6. Water-conducting domestic appliance according to any one of claims 1 to 5, characterised in that the filling state measuring device (17) comprises at least one float switch (15), which is arranged at least partly in the bowl (6), and a control device (18) connected with the float switch (15).
  7. Water-conducting domestic appliance according to any one of claims 1 to 6, characterised in that the filling state measuring device (17) is arranged to detect predetermined states of the filling state.
  8. Water-conducting domestic appliance according to claim 7, characterised in that the predetermined states of the filling state measuring device comprise an empty state, an almost state and a full state, wherein the empty state is predetermined when an orderly program run is not possible, wherein the almost empty state is predetermined when the empty state is almost reached, but at least one further orderly program run is possible, and wherein the full state is predetermined in other circumstances.
  9. Water-conducting domestic appliance according to any one of claims 1 to 8, characterised in that the bowl (6) comprises a first chamber (9) and at least one second chamber, which serve for receiving laundry treatment agents (10), and that the filling state measuring device (17) detects not only the filling state of the first chamber (9) of the bowl (6), but also the filling state of the second chamber of the bowl (6).
EP10739879.4A 2009-07-29 2010-07-16 Water-conducting domestic appliance Active EP2459789B1 (en)

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DE102009028071A DE102009028071A1 (en) 2009-07-29 2009-07-29 Water-conducting household appliance
PCT/EP2010/060324 WO2011012469A1 (en) 2009-07-29 2010-07-16 Water-conducting domestic appliance

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DE102014220354B4 (en) * 2014-10-08 2020-08-06 BSH Hausgeräte GmbH Household appliance with a removable storage container
DE102017123519A1 (en) * 2017-10-10 2019-04-11 Miele & Cie. Kg Washing machine and method for displaying a level of a detergent container in a washing machine

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DE102009028071A1 (en) 2011-02-03
PL2459789T3 (en) 2014-08-29
WO2011012469A1 (en) 2011-02-03

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