EP1833354B1 - Dishwasher - Google Patents

Dishwasher Download PDF

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Publication number
EP1833354B1
EP1833354B1 EP05816311A EP05816311A EP1833354B1 EP 1833354 B1 EP1833354 B1 EP 1833354B1 EP 05816311 A EP05816311 A EP 05816311A EP 05816311 A EP05816311 A EP 05816311A EP 1833354 B1 EP1833354 B1 EP 1833354B1
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EP
European Patent Office
Prior art keywords
rinsing
dishwashing machine
machine according
sorption
outlet
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EP05816311A
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German (de)
French (fr)
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EP1833354A1 (en
Inventor
Helmut Jerg
Kai Paintner
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BSH Hausgeraete GmbH
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BSH Bosch und Siemens Hausgeraete GmbH
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Priority to PL05816311T priority Critical patent/PL1833354T3/en
Publication of EP1833354A1 publication Critical patent/EP1833354A1/en
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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
    • A47L15/42—Details
    • A47L15/48—Drying 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/48—Drying arrangements
    • A47L15/481—Drying arrangements by using water absorbent materials, e.g. Zeolith

Definitions

  • the invention relates to a dishwasher with a rinsing container and devices for rinsing dishes by means of rinsing liquor and with a Sorptionstrockenvorraum which is connected to the rinsing air-conducting via an outlet of the rinsing and an inlet of the rinse and having a sorption column with reversibly dehydratable material.
  • Conventional dishwashing machines are known to have a rinsing process whose program sequence generally consists of at least one partial program step "pre-rinsing", one sub-program step “cleaning”, at least one subprogram step “intermediate rinsing", one subprogram step “rinsing” and one subprogram step “drying”.
  • the rinsing liquid or rinsing liquor is heated before or during a partial program step.
  • the heating of the rinsing liquid is usually carried out by means of electrical heating elements.
  • a further disadvantage is that damage to the surrounding kitchen furniture can not be ruled out by discharging the water vapor produced during the regeneration of the reversibly dehydratable material to the outside.
  • the regeneration is associated with an additional energy requirement, which is incurred in addition to the energy required during the sub-program steps.
  • the Applicant discloses a dishwasher with a rinsing container and devices for rinsing crockery by means of rinsing, which has a sorptionskolonne containing air-conducting, reversibly dehydratable material containing the rinsing, wherein the sorption on the one hand for drying the dishes and on the other hand for the desorption of the sorption used thermal energy Heating the rinsing liquor and / or the dishes located in the washing container is at least partially used.
  • a dishwashing machine with a closed drying system in which the air circulates from the washing container via a regenerable by heating drying device and from this back into the washing.
  • the drying device is assigned to the heater arranged outside the washing compartment for the washing liquor, preferably a continuous flow heater.
  • the outlet of the washing container is located in the ceiling of the washing container, while the inlet is integrated in the washing tub of the washing container.
  • the outlet of the washing container is connected via an air duct with the Sorptionstrockenvorides.
  • the sorption drying device is assigned to the heater for the wash liquor, this is arranged in an area below the wash tub.
  • the object of the present invention is therefore to provide a dishwasher in which a sorption drying device can be integrated in a simple and cost-effective manner.
  • a dishwasher according to the invention in particular a domestic dishwasher, has a rinsing container and devices for rinsing dishes by means of rinsing liquor and a Sorptionstrockenvorraum which is connected to the rinsing air-conducting via an outlet of the rinse and an inlet of the rinse and a sorption column with reversibly dehydrierbarem Material has. It is further provided to connect the outlet and the inlet of the washing container without the interposition of an air channel with the Sorptionstrockenvoriques. This results in the advantage of a particularly small footprint. This allows a structurally particularly simple and inexpensive to produce dishwasher, since a waiver to be arranged in the dishwasher lines or channels is possible and the Sorptionstrocken worn is particularly compact executable.
  • the sorption drying device can be arranged in the bottom area of the dishwasher below a rinsing trough, wherein the outlet as well as the inlet of the rinsing container are arranged in the bottom area. Since usually enough space is provided below the washing tub for functional elements of the dishwasher, the sorption drying apparatus can be integrated particularly easily into existing design and manufacturing processes.
  • a passive closure means against penetrating water In the simplest case, this can be a cover over the outlet or inlet, which is preferably designed such that the flow direction simultaneously the air flow is set in order to achieve the best possible turbulence of the air in the washing, so that a good moisture absorption is realized.
  • the closure means may be designed to be operable, for example, by applying a voltage.
  • the closure means may thus be designed motor or hydraulic. It is particularly preferred if voltage is applied to the closing means with the application of a voltage to the fan, so that the closing means open, thereby creating an air circulation to the Sorptionstrockenvorraum.
  • the inlet and outlet must be open only during the regeneration phase of the sorption column and during the partial program step "drying". During the remaining part program steps, the closure means ensure a secure seal in order to prevent the penetration of spray water into the sorption drying device having electrical functional elements.
  • the closure means can also be actuated by a temperature-sensitive memory metal.
  • the control of the closure means is not carried out in an electrical manner, but is caused due to the prevailing temperatures during different part program steps.
  • the sorption column is used on the one hand for drying the dishes and on the other hand the thermal energy used for desorption of the sorption column for heating the rinsing liquor and / or the items to be washed.
  • the dishwasher can function of the principle, as in the DE 103 53 774.0 be formed described the applicant whose contents in this application, where appropriate, is added.
  • the machine described here differs in the arrangement of the Sorptionstrockenvorraum.
  • air from the rinsing tank and / or from the ambient air is passed through the sorption column and into the rinsing tank during a partial program step with the rinse liquor to be heated, preferably during the "cleaning" and / or "pre-rinse” and / or "final rinse” part program step ,
  • an electrical heating element is arranged for desorption of the reversibly dehydratable material and the heating of the rinsing liquor and / or the dishes. This is preferably arranged in the reversibly dehydratable material.
  • the figure shows a schematic representation of a dishwasher according to the invention 1 according to a first variant with a washing container 2, in the baskets 3, 4 are arranged for the classification of not Pictured items to be washed.
  • the structure of the dishwasher according to the invention can, in principle, as in the DE 103 53 774 and / or the DE 103 53 775 described in the applicant, whose contents, as far as appropriate, are included in this application.
  • the dishwashing machine 1 has a reversibly dehydratable material 11, for example zeolite-containing sorption column 10, which is air-conductively connected to the washing container 2, wherein the sorption column 10 is used on the one hand for drying and on the other for heating conducted-through air.
  • the rinsing container 2 has an outlet 5 arranged in the described embodiment in the rinsing pan 6, which is connected directly to a sorption drying device 21 arranged underneath the rinsing pan, and an inlet 8, arranged in the rinsing pan 6 in the described embodiment, from the sorption drying device 21.
  • the sorption drying device 21 has, in addition to the sorption column 10, a fan 9 and an electric heating element 12, wherein a housing 14 of the fan and a housing 13 of the sorption column 10 are integrally formed below the washing tub 6 of the dishwasher 1.
  • the air path through the sorption drying device 21 is shown by the arrows A, B and C.
  • the drying process itself as in the DE 103 53 774 and / or the DE 103 53 775 the applicant described instead.
  • the outlet 5 with a (not in the figure shown closer) to prevent the ingress of water reliably prevent.
  • the inlet 8 in the figure by way of example a passive closure means 15, which is formed in the embodiment as a cover with a flow function.
  • a passive closure means may be represented by any suitably formed cover.
  • Both the outlet 5 and the inlet 8 could be provided according to a variant, not shown, with a (controllable) actively actuated closure means.
  • An active closure means may be formed by a lid, slider or the like having an opening and a closing function, the opening and closing positions preferably being related to the operation of the sorption drying apparatus 21, more particularly to the operation of the fan 9 and / or the electric heating element 12 , is coupled.
  • the active closure means can thus be used in the operation of the fan, e.g. during the part-program step "drying", which allow unhindered suction or blowing out of air and reliably close the access or the accesses to the sorption drying device against the penetration of rinsing water when the blower is switched off.
  • the active closure means could be actuated by a motor and / or hydraulics, wherein the operation takes place in dependence on the operation of the sorption drying device.
  • a motor and / or hydraulics wherein the operation takes place in dependence on the operation of the sorption drying device.
  • a memory metal would be conceivable, which could be brought into an open or closed position due to the changing temperatures during different part program steps.
  • the advantage of the dishwasher according to the invention is that its production is possible in a simple and cost-effective manner, as can be dispensed with the laying and integration of air ducts.
  • a dishwashing machine which can be economically produced from an economical point of view and with which the items to be washed located in the washing container can be efficiently cleaned and dried, whereby the associated energy expenditure can be kept low.

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  • Washing And Drying Of Tableware (AREA)
  • Filling Of Jars Or Cans And Processes For Cleaning And Sealing Jars (AREA)

Abstract

A dishwasher comprising a washing container, devices for washing dishes by means of rinsing liquor, and a sorption drying device which is connected in an air-conducting manner to the washing container via an outlet of the washing container and an inlet of the washing container. The sorption drying device is provided with a sorption column encompassing reversibly dehydratable material. The outlet and the inlet of the washing container are connected to the sorption drying device without mounting an air duct therebetween.

Description

Die Erfindung betrifft eine Geschirrspülmaschine mit einem Spülbehälter und Vorrichtungen zum Spülen von Geschirr mittels Spülflotte sowie mit einer Sorptionstrockenvorrichtung, die mit dem Spülbehälter luftleitend über einen Auslass des Spülbehälters und einen Einlass des Spülbehälters verbunden ist und die eine Sorptionskolonne mit reversibel dehydrierbarem Material aufweist.The invention relates to a dishwasher with a rinsing container and devices for rinsing dishes by means of rinsing liquor and with a Sorptionstrockenvorrichtung which is connected to the rinsing air-conducting via an outlet of the rinsing and an inlet of the rinse and having a sorption column with reversibly dehydratable material.

Herkömmliche Geschirrspülmaschinen weisen bekanntlich ein Spülverfahren auf, dessen Programmablauf im Allgemeinen aus wenigstens einem Teilprogrammschritt "Vorspülen", einem Teilprogrammschritt "Reinigen", wenigstens einem Teilprogrammschritt "Zwischenspülen", einem Teilprogrammschritt "Klarspülen" und einem Teilprogrammschritt "Trocknen" besteht. Zur Erhöhung des Reinigungseffekts wird dabei die Spülflüssigkeit bzw. Spülflotte vor oder während eines Teilprogrammschrittes erwärmt. Die Erwärmung der Spülflüssigkeit erfolgt üblicherweise mittels elektrischer Heizelemente. Zur Trocknung des Spülguts in einer Geschirrspülmaschine sind unterschiedliche Trocknungssysteme bekannt.Conventional dishwashing machines are known to have a rinsing process whose program sequence generally consists of at least one partial program step "pre-rinsing", one sub-program step "cleaning", at least one subprogram step "intermediate rinsing", one subprogram step "rinsing" and one subprogram step "drying". To increase the cleaning effect, the rinsing liquid or rinsing liquor is heated before or during a partial program step. The heating of the rinsing liquid is usually carried out by means of electrical heating elements. For drying the items to be washed in a dishwasher different drying systems are known.

So ist aus der DE 20 16 831 eine Geschirrspülmaschine der eingangs genannten Art bekannt, bei der die Luft aus dem Spülbehälter über eine verschließbare Öffnung in der Wand des Spülbehälters auf reversibel dehydrierbares Material geleitet wird und von dort über eine Öffnung nach außen. Die Desorption des reversibel dehydrierbaren Materials findet während der Stillstandsphase des Gerätes statt, wobei der dabei entstehende Wasserdampf über die Öffnung nach außen geleitet wird. Die beschriebene Geschirrspülmaschine ist aus energetischer Sicht nachteilig, da die Regeneration des reversibel dehydrierbaren Materials während einer Stillstandsphase des Gerätes stattfindet, somit zu einer Zeit, zu der keiner der eingangs beschriebenen Teilprogrammschritte durchgeführt wird. Ein weiterer Nachteil besteht darin, dass durch das Ausleiten des während der Regeneration des reversibel dehydrierbaren Materials entstehenden Wasserdampfes nach außen eine Schädigung der umgebenden Küchenmöbel nicht ausgeschlossen werden kann. Die Regenerierung ist dabei mit einem zusätzlichen Energiebedarf verbunden, der zusätzlich zu dem während der Teilprogrammschritte benötigten Energiebedarf anfällt.So is out of the DE 20 16 831 a dishwashing machine of the type mentioned, in which the air is passed from the washing container via a closable opening in the wall of the washing container on reversibly dehydratable material and from there via an opening to the outside. The desorption of the reversible dehydratable material takes place during the stoppage phase of the device, wherein the resulting water vapor is passed through the opening to the outside. The dishwasher described is disadvantageous from an energetic point of view, since the regeneration of the reversibly dehydratable material takes place during a standstill phase of the device, thus at a time when none of the partial program steps described above is performed. A further disadvantage is that damage to the surrounding kitchen furniture can not be ruled out by discharging the water vapor produced during the regeneration of the reversibly dehydratable material to the outside. The regeneration is associated with an additional energy requirement, which is incurred in addition to the energy required during the sub-program steps.

Um den Energieaufwand beim Betreiben einer Geschirrspülmaschine so gering wie möglich zu halten, ist aus der DE 103 53 774.0 der Anmelderin eine Geschirrspülmaschine mit einem Spülbehälter und Vorrichtungen zum Spülen von Geschirr mittels Spülflotte bekannt, welche eine mit dem Spülbehälter luftleitend verbundene, reversibel dehydrierbares Material enthaltende Sorptionskolonne aufweist, wobei die Sorptionskolonne einerseits zur Trocknung des Geschirrs und andererseits die zur Desorption der Sorptionskolonne eingesetzte Wärmeenergie zur Erwärmung der im Spülbehälter befindlichen Spülflotte und/oder des Geschirrs wenigstens teilweise verwendet wird.To keep the energy consumption when operating a dishwasher as low as possible, is from the DE 103 53 774.0 the Applicant discloses a dishwasher with a rinsing container and devices for rinsing crockery by means of rinsing, which has a sorptionskolonne containing air-conducting, reversibly dehydratable material containing the rinsing, wherein the sorption on the one hand for drying the dishes and on the other hand for the desorption of the sorption used thermal energy Heating the rinsing liquor and / or the dishes located in the washing container is at least partially used.

Zur Lösung des gleichen Problems schlägt die DE 103 53 775.9 der Anmelderin vor, zum Betreiben eines Gerätes in dem wenigstens einem Teilprogrammschritt "Trocknen" Luft aus einem Behandlungsraum und/oder aus Umgebungsluft durch eine Sorptionskolonne und in den Behandlungsraum zu leiten, wobei die Sorptionskolonne reversibel dehydrierbares Material enthält und der Luft während des Durchleitens Feuchtigkeit entzieht.To solve the same problem suggests the DE 103 53 775.9 the applicant, for operating a device in the at least one partial program step "drying" air from a treatment room and / or from ambient air through a sorption column and into the treatment room to guide, wherein the sorbent column contains reversible dehydratable material and the air withdraws moisture during the passage ,

Durch den Einsatz von reversibel dehydrierbarem Material mit hygroskopischer Eigenschaft, z.B. Zeolith, ist eine Erwärmung des zu behandelnden Gutes in dem dem Teilprogrammschritt "Trocknen" vorhergehenden Teilprogrammschritts normalerweise nicht mehr notwendig. Hierdurch wird eine beträchtliche Energieeinsparung möglich.By using reversibly dehydratable material with hygroscopic property, e.g. Zeolite, a heating of the material to be treated in the preceding part program step "drying" partial program step is normally no longer necessary. As a result, a considerable energy saving is possible.

Aus der EP 0 358 279 B1 ist eine Geschirrspülmaschine mit einem geschlossenen Trockensystem bekannt, bei dem die Luft aus dem Spülbehälter über eine durch Aufheizung regenerierbare Trockenvorrichtung und von dieser zurück in den Spülbehälter zirkuliert. Die Trockenvorrichtung ist dem außerhalb des Spülbehälters angeordneten Erhitzer für die Spülflotte, vorzugsweise ein Durchlauferhitzer, zugeordnet. Der Auslass des Spülbehälters befindet sich in der Decke des Spülbehälters, während der Einlass in die Spülwanne des Spülbehälters integriert ist. Der Auslass des Spülbehälters ist über einen Luftkanal mit der Sorptionstrockenvorrichtung verbunden. Nachdem die Sorptionstrockenvorrichtung dem Erhitzer für die Spülflotte zugeordnet ist, ist diese in einem Bereich unterhalb der Spülwanne angeordnet.From the EP 0 358 279 B1 a dishwashing machine with a closed drying system is known in which the air circulates from the washing container via a regenerable by heating drying device and from this back into the washing. The drying device is assigned to the heater arranged outside the washing compartment for the washing liquor, preferably a continuous flow heater. The outlet of the washing container is located in the ceiling of the washing container, while the inlet is integrated in the washing tub of the washing container. The outlet of the washing container is connected via an air duct with the Sorptionstrockenvorrichtung. After the sorption drying device is assigned to the heater for the wash liquor, this is arranged in an area below the wash tub.

Allen oben beschriebenen Anordnungen ist gemeinsam, dass die Einbindung der Sorptionstrockenvorrichtung in eine Geschirrspülmaschine lediglich konzeptionell beschrieben ist. Die Aufgabe der vorliegenden Erfindung ist es daher, eine Geschirrspülmaschine bereitzustellen, in welche sich eine Sorptionstrockenvorrichtung auf einfache und kostengünstige Weise integrieren lässt.All the arrangements described above have in common that the integration of the sorption drying device in a dishwasher is merely conceptually described. The object of the present invention is therefore to provide a dishwasher in which a sorption drying device can be integrated in a simple and cost-effective manner.

Diese Aufgabe wird mit einer Geschirrspülmaschine mit den Merkmalen gemäß Anspruch 1 gelöst. Vorteilhafte Weiterbildungen der vorliegenden Erfindung sind in den Unteransprüchen angegeben.This object is achieved with a dishwasher with the features of claim 1. Advantageous developments of the present invention are specified in the subclaims.

Eine erfindungsgemäße Geschirrspülmaschine, insbesondere eine Haushalts-Geschirrspülmaschine, weist einen Spülbehälter und Vorrichtungen zum Spülen von Geschirr mittels Spülflotte sowie eine Sorptionstrockenvorrichtung auf, die mit dem Spülbehälter luftleitend über einen Auslass des Spülbehälters und einen Einlass des Spülbehälters verbunden ist und die eine Sorptionskolonne mit reversibel dehydrierbarem Material aufweist. Weiter ist vorgesehen, den Auslass und den Einlass des Spülbehälters ohne Zwischenschaltung eines Luftkanals mit der Sorptionstrockenvorrichtung zu verbinden. Hierdurch ergibt sich der Vorteil eines besonders geringen Platzbedarfs. Damit lässt sich eine konstruktiv besonders einfache und kostengünstig herzustellende Geschirrspülmaschine realisieren, da ein Verzicht auf in der Geschirrspülmaschine anzuordnende Leitungen oder Kanäle möglich ist und die Sorptionstrockeneinrichtung besonders kompakt ausführbar ist.A dishwasher according to the invention, in particular a domestic dishwasher, has a rinsing container and devices for rinsing dishes by means of rinsing liquor and a Sorptionstrockenvorrichtung which is connected to the rinsing air-conducting via an outlet of the rinse and an inlet of the rinse and a sorption column with reversibly dehydrierbarem Material has. It is further provided to connect the outlet and the inlet of the washing container without the interposition of an air channel with the Sorptionstrockenvorrichtung. This results in the advantage of a particularly small footprint. This allows a structurally particularly simple and inexpensive to produce dishwasher, since a waiver to be arranged in the dishwasher lines or channels is possible and the Sorptionstrockeneinrichtung is particularly compact executable.

Die Sorptionstrockenvorrichtung kann gemäß einer bevorzugten Ausgestaltung im Bodenbereich der Geschirrspülmaschine unterhalb einer Spülwanne angeordnet sein, wobei der Auslass sowie der Einlass des Spülbehälters im Bodenbereich angeordnet sind. Da unterhalb der Spülwanne üblicherweise genug Raum für Funktionselemente der Geschirrspülmaschine vorgesehen ist, lässt sich die Sorptionstrockenvorrichtung besonders einfach in bestehende Konstruktions- und Fertigungsvorgänge integrieren.According to a preferred embodiment, the sorption drying device can be arranged in the bottom area of the dishwasher below a rinsing trough, wherein the outlet as well as the inlet of the rinsing container are arranged in the bottom area. Since usually enough space is provided below the washing tub for functional elements of the dishwasher, the sorption drying apparatus can be integrated particularly easily into existing design and manufacturing processes.

Gemäß einer weiteren zweckmäßigen Ausgestaltung ist vorgesehen, den Auslass und/oder den Einlass mit einem passiven Verschlussmittel gegen eindringendes Wasser zu versehen. Dies kann im einfachsten Fall eine Abdeckung über dem Aus- bzw. Einlass sein, welche vorzugsweise derart ausgebildet ist, dass gleichzeitig die Strömungsrichtung des Luftstroms festgelegt wird, um eine möglichst gute Verwirbelung der Luft im Spülbehälter zu erzielen, so dass eine gute Feuchtigkeitsaufnahme realisiert ist.According to a further expedient embodiment, it is provided to provide the outlet and / or the inlet with a passive closure means against penetrating water. In the simplest case, this can be a cover over the outlet or inlet, which is preferably designed such that the flow direction simultaneously the air flow is set in order to achieve the best possible turbulence of the air in the washing, so that a good moisture absorption is realized.

In einer alternativen Ausgestaltung kann vorgesehen sein, den Auslass und/oder den Einlass mit einem aktiven Verschlussmittel zu versehen. Das Verschlussmittel kann beispielsweise durch Anlegen einer Spannung betätigbar ausgebildet sein. Das Verschlussmittel kann somit motorisch oder hydraulisch ausgebildet sein. Besonders bevorzugt ist es dabei, wenn mit dem Anlegen einer Spannung an das Gebläse Spannung an das Verschlussmittel angelegt ist, so dass sich die Verschlussmittel öffnen, um dadurch einen Luftkreislauf zur Sorptionstrockenvorrichtung zu schaffen. Der Ein- und Auslass müssen dabei nur während der Regenerationsphase der Sorptionskolonne und während des Teilprogrammschritts "Trocknen" geöffnet sein. Während der übrigen Teilprogrammschritte sorgen die Verschlussmittel für eine sichere Abdichtung, um das Eindringen von Spritzwasser in die elektrische Funktionselemente aufweisende Sorptionstrockenvorrichtung zu verhindern.In an alternative embodiment it can be provided to provide the outlet and / or the inlet with an active closure means. The closure means may be designed to be operable, for example, by applying a voltage. The closure means may thus be designed motor or hydraulic. It is particularly preferred if voltage is applied to the closing means with the application of a voltage to the fan, so that the closing means open, thereby creating an air circulation to the Sorptionstrockenvorrichtung. The inlet and outlet must be open only during the regeneration phase of the sorption column and during the partial program step "drying". During the remaining part program steps, the closure means ensure a secure seal in order to prevent the penetration of spray water into the sorption drying device having electrical functional elements.

In einer weiteren zweckmäßigen Ausgestaltung kann das Verschlussmittel auch durch ein temperaturempfindliches Memory-Metall betätigt werden. Die Ansteuerung des Verschlussmittels erfolgt hierbei nicht auf elektrische Weise, sondern wird aufgrund der während unterschiedlicher Teilprogrammschritte vorherrschenden Temperaturen bewirkt.In a further expedient embodiment, the closure means can also be actuated by a temperature-sensitive memory metal. The control of the closure means is not carried out in an electrical manner, but is caused due to the prevailing temperatures during different part program steps.

Gemäß einer weiteren Ausgestaltung wird die Sorptionskolonne einerseits zur Trocknung des Geschirrs und andererseits die zur Desorption der Sorptionskolonne eingesetzte Wärmeenergie zur Erwärmung der im Spülbehälter befindlichen Spülflotte und/oder des Spülguts verwendet. Die Geschirrspülmaschine kann vom Funktions-Prinzip her, wie in der DE 103 53 774.0 der Anmelderin beschrieben ausgebildet sein, deren Inhalt in diese Anmeldung, soweit sinnvoll, aufgenommen wird. Die hier beschriebene Maschine unterscheidet sich durch die Anordnung der Sorptionstrockenvorrichtung.According to a further embodiment, the sorption column is used on the one hand for drying the dishes and on the other hand the thermal energy used for desorption of the sorption column for heating the rinsing liquor and / or the items to be washed. The dishwasher can function of the principle, as in the DE 103 53 774.0 be formed described the applicant whose contents in this application, where appropriate, is added. The machine described here differs in the arrangement of the Sorptionstrockenvorrichtung.

Nach einem bevorzugten Merkmal wird Luft aus dem Spülbehälter und/oder aus der Umgebungsluft während eines Teilprogrammschritts mit zu erwärmender Spülflotte, bevorzugt während des Teilprogrammschritts "Reinigen" und/oder "Vorspülen" und/oder "Klarspülen" durch die Sorptionskolonne und in den Spülbehälter geleitet.According to a preferred feature, air from the rinsing tank and / or from the ambient air is passed through the sorption column and into the rinsing tank during a partial program step with the rinse liquor to be heated, preferably during the "cleaning" and / or "pre-rinse" and / or "final rinse" part program step ,

Zweckmäßigerweise ist zur Desorption des reversibel dehydrierbaren Materials und der Erwärmung der Spülflotte und/oder des Spülguts ein elektrisches Heizelement angeordnet. Dieses ist bevorzugt in dem reversibel dehydrierbaren Material angeordnet.Conveniently, an electrical heating element is arranged for desorption of the reversibly dehydratable material and the heating of the rinsing liquor and / or the dishes. This is preferably arranged in the reversibly dehydratable material.

Die Erfindung wird nachfolgend anhand einer Figur näher erläutert, in der ein Ausführungsbeispiel einer erfindungsgemäßen Geschirrspülmaschine dargestellt ist.The invention will be explained in more detail with reference to a figure, in which an embodiment of a dishwasher according to the invention is shown.

Die Figur zeigt in schematischer Darstellungsweise eine erfindungsgemäße Geschirrspülmaschine 1 gemäß einer ersten Variante mit einem Spülbehälter 2, in dem Geschirrkörbe 3, 4 zur Einordnung von nicht dargestelltem Spülgut angeordnet sind. Der Aufbau der erfindungsgemäßen Geschirrspülmaschine kann vom Prinzip her, wie in der DE 103 53 774 und/oder der DE 103 53 775 der Anmelderin beschrieben, aufgebaut sein, deren Inhalte, soweit sinnvoll, in diese Anmeldung mit aufgenommen werden. Die Geschirrspülmaschine 1 weist eine mit dem Spülbehälter 2 luftleitend verbundene, reversibel dehydrierbares Material 11, z.B. Zeolith, enthaltende Sorptionskolonne 10 auf, wobei die Sorptionskolonne 10 einerseits zur Trocknung als auch andererseits zur Erwärmung durchgeleiteter Luft verwendet wird. Der Spülbehälter 2 weist einen im beschriebenen Ausführungsbeispiel in der Spülwanne 6 angeordneten Auslass 5, der unmittelbar mit einer unterhalb der Spülwanne angeordneten Sorptionstrockenvorrichtung 21 verbunden ist und einen im beschriebenen Ausführungsbeispiel ebenfalls in der Spülwanne 6 angeordneten Einlass 8 von der Sorptionstrockenvorrichtung 21 auf. Die Sorptionstrockenvorrichtung 21 weist neben der Sorptionskolonne 10 ein Gebläse 9 sowie ein elektrisches Heizelement 12 auf, wobei ein Gehäuse 14 des Gebläses und ein Gehäuse 13 der Sorptionskolonne 10 integral unterhalb der Spülwanne 6 der Geschirrspülmaschine 1 ausgebildet sind. Der Luftweg durch die Sorptionstrockenvorrichtung 21 ist durch die Pfeile A, B und C dargestellt. Der Trocknungsvorgang an sich findet, wie in der DE 103 53 774 und/oder der DE 103 53 775 der Anmelderin beschrieben, statt.The figure shows a schematic representation of a dishwasher according to the invention 1 according to a first variant with a washing container 2, in the baskets 3, 4 are arranged for the classification of not Pictured items to be washed. The structure of the dishwasher according to the invention can, in principle, as in the DE 103 53 774 and / or the DE 103 53 775 described in the applicant, whose contents, as far as appropriate, are included in this application. The dishwashing machine 1 has a reversibly dehydratable material 11, for example zeolite-containing sorption column 10, which is air-conductively connected to the washing container 2, wherein the sorption column 10 is used on the one hand for drying and on the other for heating conducted-through air. The rinsing container 2 has an outlet 5 arranged in the described embodiment in the rinsing pan 6, which is connected directly to a sorption drying device 21 arranged underneath the rinsing pan, and an inlet 8, arranged in the rinsing pan 6 in the described embodiment, from the sorption drying device 21. The sorption drying device 21 has, in addition to the sorption column 10, a fan 9 and an electric heating element 12, wherein a housing 14 of the fan and a housing 13 of the sorption column 10 are integrally formed below the washing tub 6 of the dishwasher 1. The air path through the sorption drying device 21 is shown by the arrows A, B and C. The drying process itself, as in the DE 103 53 774 and / or the DE 103 53 775 the applicant described instead.

Um ein Eindringen von Spritzwasser während eines Teilprogrammschritts, mit welchem in dem Spülbehälter 2 befindliches Spülgut beaufschlagt wird, in die Sorptionstrockenvorrichtung 21 und in die elektrischen Funktionsteile (Gebläse 9, Heizelement 12) zu verhindern, ist der Auslass 5 mit einem (in der Figur nicht näher dargestellten) Verschlussmittel versehen, um das Eindringen von Wasser zuverlässig zu verhindern. In entsprechender Weise weist der Einlass 8 in der Figur beispielhaft ein passives Verschlussmittel 15 auf, welches im Ausführungsbeispiel als Abdeckung mit Strömungsfunktion ausgebildet ist. Allgemein kann ein passives Verschlussmittel durch jede geeignet ausgebildete Abdeckung dargestellt sein.In order to prevent ingress of spray water during a part program step, which is in the washing container 2 befindliches washware, in the Sorptionstrockenvorrichtung 21 and in the electrical functional parts (fan 9, heating element 12), the outlet 5 with a (not in the figure shown closer) to prevent the ingress of water reliably prevent. In a corresponding manner, the inlet 8 in the figure by way of example a passive closure means 15, which is formed in the embodiment as a cover with a flow function. Generally, a passive closure means may be represented by any suitably formed cover.

Sowohl der Auslass 5 als auch der Einlass 8 könnten gemäß einer nicht dargestellten Variante mit einem (steuerbaren) aktiv betätigten Verschlussmittel versehen sein. Ein aktives Verschlussmittel kann durch einen eine Öffnungs- und eine Schließfunktion aufweisenden Deckel, Schieber oder dgl. gebildet sein, wobei die Öffnungs- und Schließstellung bevorzugt an den Betrieb der Sorptionstrockenvorrichtung 21, genauer an den Betrieb dessen Gebläses 9 und/oder des elektrischen Heizelements 12, gekoppelt ist. Das aktive Verschlussmittel kann damit beim Betrieb des Gebläses, z.B. während des Teilprogrammschritts "Trocknen", das ungehinderte Ansaugen bzw. Ausblasen von Luft ermöglichen und bei ausgeschaltetem Gebläse den Zugang oder die Zugänge zur Sorptionstrockenvorrichtung zuverlässig gegen das Eindringen von Spülflotte verschließen. Das aktive Verschlussmittel könnte motorisch und/oder hydraulisch betätigt werden, wobei die Betätigung in Abhängigkeit vom Betrieb der Sorptionstrockenvorrichtung erfolgt. Alternativ wäre auch der Einsatz eines Memory-Metalls denkbar, welcher aufgrund der sich ändernden Temperaturen während unterschiedlicher Teilprogrammschritte in eine Öffnungs- oder Schließstellung gebracht werden könnte.Both the outlet 5 and the inlet 8 could be provided according to a variant, not shown, with a (controllable) actively actuated closure means. An active closure means may be formed by a lid, slider or the like having an opening and a closing function, the opening and closing positions preferably being related to the operation of the sorption drying apparatus 21, more particularly to the operation of the fan 9 and / or the electric heating element 12 , is coupled. The active closure means can thus be used in the operation of the fan, e.g. during the part-program step "drying", which allow unhindered suction or blowing out of air and reliably close the access or the accesses to the sorption drying device against the penetration of rinsing water when the blower is switched off. The active closure means could be actuated by a motor and / or hydraulics, wherein the operation takes place in dependence on the operation of the sorption drying device. Alternatively, the use of a memory metal would be conceivable, which could be brought into an open or closed position due to the changing temperatures during different part program steps.

Der Vorteil der erfindungsgemäßen Geschirrspülmaschine besteht darin, dass deren Fertigung auf einfache und kostengünstige Weise möglich ist, da auf das Verlegen und die Integration von Luftkanälen verzichtet werden kann.The advantage of the dishwasher according to the invention is that its production is possible in a simple and cost-effective manner, as can be dispensed with the laying and integration of air ducts.

Mit der vorliegenden Erfindung ist eine Geschirrspülmaschine bereitgestellt, welche unter wirtschaftlichen Gesichtspunkten kostengünstig herstellbar ist und mit der das im Spülbehälter befindliche Spülgut effizient zu reinigen und zu trocknen ist, wobei der damit verbundene Energieaufwand gering gehalten werden kann.With the present invention, a dishwashing machine is provided which can be economically produced from an economical point of view and with which the items to be washed located in the washing container can be efficiently cleaned and dried, whereby the associated energy expenditure can be kept low.

BezugszeichenlisteLIST OF REFERENCE NUMBERS

11
Geschirrspülmaschinedishwasher
22
Spülbehälterrinse tank
33
Geschirrkorbdish rack
44
Geschirrkorbdish rack
55
Auslassoutlet
66
Spülwannewash tub
88th
Einlassinlet
99
Gebläsefan
1010
Sorptionskolonnesorption
1111
reversibel dehydrierbares Materialreversibly dehydratable material
1212
elektrisches Heizelementelectric heating element
1313
Gehäusecasing
1414
Gehäusecasing
1515
Verschlussmittelclosure means
2121
Sorptionstrockenvorrichtungsorption
A, B, CA, B, C
LuftwegBy air

Claims (11)

  1. Dishwashing machine (1) with a rinsing container (2) and devices for rinsing dishes by means of rinsing solution as well as a sorption drying device (21), which is air-conductively connected with the rinsing container (2) by way of an outlet (5) of the rinsing container (2) and an inlet (8) of the rinsing container (2) and which has a sorption column (10) with reversibly dehydratable material (11), characterised in that the outlet (5) and the inlet (8) of the rinsing container (2) are connected with the sorption drying device (21) without interposition of an air channel.
  2. Dishwashing machine according to claim 1, characterised in that the sorption drying device (21) is arranged in the base region of the dishwashing machine below a rinsing sump (6) and the outlet (5) as well as the inlet (8) of the rinsing container are arranged in the base region.
  3. Dishwashing machine according to claim 1 or 2, characterised in that the outlet (5) and/or the inlet (8) is or are provided with a passive closure means (15) against penetrating water.
  4. Dishwashing machine according to any one of the preceding claims, characterised in that the outlet (5) and/or the inlet (8) is or are provided with an active closure means (15).
  5. Dishwashing machine according to claim 4, characterised in that the closure means (15) is actuable by application of a voltage.
  6. Dishwashing machine according to claim 5, characterised in that voltage is applied to the closure means (15) when a voltage is applied to the fan (9).
  7. Dishwashing machine according to claim 5, characterised in that the closure means (15) is actuated by a temperature-sensitive memory metal.
  8. Dishwashing machine according to any one of the preceding claims, characterised in that sorption column (10) on the one hand is used for drying the dishes and on the other hand the thermal energy employed for desorption of the sorption column (10) is used for heating the rinsing solution and/or the rinsing stock disposed in the rinsing container (2).
  9. Dishwashing machine according to claim 8, characterised in that air from the rinsing container (2) and/or ambient air can be conducted through the sorption column (10) and into the rinsing container (2) during a part program step with rinsing solution to be heated, preferably during the part program step "cleaning" and/or "pre-rinsing" and/or "clear rinsing".
  10. Dishwashing machine according to one of claims 8 and 9, characterised in that an electrical heating element (12) is arranged for desorption of the reversibly deydratable material (11) and for the heating of the rinsing solution and/or the rinsing stock.
  11. Dishwashing machine according to claim 10, characterised in that the heating element is arranged in the reversibly dehydratable material.
EP05816311A 2004-12-09 2005-12-06 Dishwasher Active EP1833354B1 (en)

Priority Applications (1)

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PL05816311T PL1833354T3 (en) 2004-12-09 2005-12-06 Dishwasher

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DE102004059425 2004-12-09
DE102005004094A DE102005004094A1 (en) 2004-12-09 2005-01-28 dishwasher
PCT/EP2005/056517 WO2006061382A1 (en) 2004-12-09 2005-12-06 Dishwasher

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EP1833354A1 EP1833354A1 (en) 2007-09-19
EP1833354B1 true EP1833354B1 (en) 2010-03-03

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US (2) US7846270B2 (en)
EP (1) EP1833354B1 (en)
JP (1) JP2008522692A (en)
KR (1) KR20070085881A (en)
AT (1) ATE459287T1 (en)
AU (1) AU2005313315B2 (en)
BR (1) BRPI0518421A2 (en)
DE (2) DE102005004094A1 (en)
ES (1) ES2339797T3 (en)
PL (1) PL1833354T3 (en)
RU (1) RU2372016C2 (en)
WO (1) WO2006061382A1 (en)

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DE102012207565B4 (en) 2012-05-07 2024-06-13 Premark Feg L.L.C. Method for operating a dishwasher designed as a programmer and corresponding dishwasher
DE102012212636A1 (en) * 2012-07-18 2014-01-23 Premark Feg L.L.C. Dishwasher with drying system and method for operating such a dishwasher
DE102012212636B4 (en) * 2012-07-18 2015-04-02 Premark Feg L.L.C. Commercial dishwasher with drying system and method for operating such a dishwasher

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AU2005313315A1 (en) 2006-06-15
US7846270B2 (en) 2010-12-07
US20100326480A1 (en) 2010-12-30
RU2372016C2 (en) 2009-11-10
US8123869B2 (en) 2012-02-28
BRPI0518421A2 (en) 2008-11-25
WO2006061382A1 (en) 2006-06-15
ES2339797T3 (en) 2010-05-25
US20080295875A1 (en) 2008-12-04
DE102005004094A1 (en) 2006-06-22
KR20070085881A (en) 2007-08-27
RU2007119291A (en) 2009-01-20
JP2008522692A (en) 2008-07-03
AU2005313315B2 (en) 2010-05-27
ATE459287T1 (en) 2010-03-15
PL1833354T3 (en) 2010-08-31
EP1833354A1 (en) 2007-09-19
DE502005009159D1 (en) 2010-04-15

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