EP0486828A1 - Arrangement for drying crockery in dishwashing machines - Google Patents

Arrangement for drying crockery in dishwashing machines Download PDF

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Publication number
EP0486828A1
EP0486828A1 EP19910117986 EP91117986A EP0486828A1 EP 0486828 A1 EP0486828 A1 EP 0486828A1 EP 19910117986 EP19910117986 EP 19910117986 EP 91117986 A EP91117986 A EP 91117986A EP 0486828 A1 EP0486828 A1 EP 0486828A1
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EP
European Patent Office
Prior art keywords
container
arranged separately
washing
arrangement according
moist air
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EP19910117986
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German (de)
French (fr)
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EP0486828B1 (en
Inventor
Ernst Dipl.-Ing. Stickel (Fh)
Rüdiger Dipl.-Ing. Eiermann
Helmut Dipl.-Ing. Jerg (Fh)
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BOSCH-SIEMENS HAUSGERAETE GMBH
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Individual
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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
    • A47L15/483—Drying arrangements by using condensers

Definitions

  • the invention relates to an arrangement for drying dishes in household dishwashers according to the preamble of patent claim 1.
  • an arrangement for drying dishes in dishwashers having a washing container, a container arranged separately from the washing container, a blower for conveying moist air from the washing container through the arranged separately from the washing container Container to the rinsing tank is equipped, with fresh water being introduced into the tank arranged separately from the rinsing tank.
  • moist air is drawn in from the washing container by means of the blower and passed through the container which is designed as a condenser and is arranged separately from the washing container.
  • Fresh water is introduced via a cooling water line, which is conducted in turns through the condenser, and emerges from the cooling water line in the flow direction at the end of the condenser in its outlet.
  • the moist air is cooled along the cooling water line, so that the moisture contained in the moist air condenses and is returned as condensate via the outlet of the condenser with the outflowing fresh water into the rinsing container.
  • the cooled air also flows through the condenser outlet into the rinsing container and can now absorb moisture by heating up the dishes and be conducted to the condenser.
  • the fresh water is pumped through a drain hose into the sewer.
  • a disadvantage of the arrangement described above is the consumption of a large amount of fresh water solely for condensing the moisture contained in the moist air.
  • the object of the invention is to provide an arrangement for drying dishes in dishwashers, in which consumption of fresh water is avoided solely for the drying program section.
  • this object is achieved by a method in that the moist air is conducted in a container which is arranged separately from the washing container over the surface of fresh water stored for the next washing operations.
  • the container which is arranged separately from the rinsing container, is filled with fresh water only at least at the beginning of the drying program section.
  • means are provided for measuring the temperature of the fresh water stored in the container arranged separately from the rinsing container, via which control elements for filling a further quantity of fresh water into the container arranged separately from the rinsing container can be controlled when a definable temperature increase is determined.
  • the inevitable heating of the fresh water by the humid air conducted over it is specifically eliminated with this measure while avoiding any unnecessary consumption of fresh water, so that the result of the cooling of the humid air and the condensation of the moisture contained therein remains the same over the entire drying process.
  • the blower is directed in such a way that the moist air is sucked in from a pump pot arranged in the lower region of the washing container and introduced into the upper region of the washing container again.
  • the cooled air introduced into the upper area of the washing compartment sinks downwards and inevitably heats up on the dishes to be dried, thereby absorbing moisture.
  • suction is drawn in from the lower area of the washing compartment, thus ensuring an optimal, closed air circuit.
  • the moist air in the container which is arranged separately from the rinsing container is advantageously directed from above onto the water surface.
  • a meandering guide for the moist air is provided in the container, which is arranged separately from the rinsing container, so that the largest possible contact of the moist air with the surface of the fresh water and thus optimal cooling of the introduced moist air is achieved.
  • the container which is arranged separately from the rinsing container is a water inlet container with at least one water inlet and one water outlet and at least one air inlet and one air outlet, in the wall of which a temperature sensor is provided.
  • a water inlet container is used to stock and measure the amount of fresh water required for a washing program section, so that the arrangement according to the invention ensures that the fresh water introduced during the drying program section is kept in stock for the next washing processes and that fresh water consumption for the drying program section alone is completely avoided.
  • the separate water and air circuits guarantee a trouble-free process of cooling the moist air in the drying program section, as well as a trouble-free process of filling the stored water into the washing container in one of the next washing program sections.
  • the temperature sensor ensures the control of control elements for the introduction of a further quantity of fresh water.
  • in the water inlet container there is at least one vertical one that starts from a wall of the water inlet container Partition provided.
  • the meandering guidance of the moist air over the surface of the stored fresh water is thus effected with simple measures.
  • the at least one partition is expediently produced in one piece with the wall of the water inlet container.
  • the blower is advantageously arranged in a moist air line running from the pump pot to the air inlet into the water inlet container.
  • the moist air line is made at least partially in one piece with the water inlet container along the course thereof.
  • the housing of the fan is expediently made at least partially in one piece with the moist air line and the water inlet container.
  • a pump pot 2 arranged at the lower end of the rinsing container 1 moist air is introduced into the water inlet container 10 through an air inlet 13 via a moist air line 21 by means of a blower 20 which is arranged in this wet air line 21.
  • the air passes through the air outlet 14 via an air outlet line 15 in a closed circuit back into the washing container 1.
  • the direction of flow of the air is indicated by arrows with the designation 22.
  • a temperature sensor 25 is provided in the wall of the water inlet container 10.
  • the water outlet 12 In the direction of flow 22 at the lower end of the water inlet container 10 is the water outlet 12, which is closed by means of a commercially available valve, for example a solenoid valve which can be controlled by a program control unit of the household dishwasher.
  • a commercially available valve for example a solenoid valve which can be controlled by a program control unit of the household dishwasher.
  • the moist air line 21 is at least partially made in one piece with the water inlet container 10 along its course.
  • the housing of the blower 20 with the moist air line 21 and the water inlet container 10 is at least partially made in one piece.
  • the dishes are stored in dish racks (not shown) in the washing container 1.
  • the dishes are heated in a conventional dishwasher using very warm washing liquid, which in the drying program section following the pumping out of the washing liquid leads to the fact that washing liquid adhering to the dishes evaporates and is heated by the heated ones in the washing container Air is absorbed as moisture.
  • the resulting moist air is, according to the invention, introduced from the rinsing tank 1 by means of the blower 20 into the water inlet tank 10, which is filled with fresh water at least at the beginning of the drying program section. Through the air inlet 13 directed downward in the direction of flow 22, the moist air in the water inlet container 10 is directed from above onto the water surface.
  • a lowest level of the water surface is indicated at 17. Since the air inlet 13 is arranged at an outer corner of the cuboidal water inlet container 10, for example, the moist air has to flow around the partition walls 16 and is given a meandering guidance over the surface of the fresh water.
  • the inevitable heating of the fresh water is measured by the temperature sensor 25, which is arranged below the level 17 in the wall of the water inlet container, the temperature of the fresh water continuously or cyclically and compared with a definable temperature increase value.
  • the temperature sensor controls, for example by means of an impulse, control elements for the filling of a further quantity of fresh water into the water inlet container 10, for example a program control device (not shown) of the dishwasher which, for example, does not open by opening one shown water inlet valve of the dishwasher initiates the filling of a further quantity of fresh water into the water inlet container.
  • the amount of further fresh water to be filled in can be controlled, for example, by the temperature sensor 25, for example when the desired colder mixing temperature has been reached, or by a time pulse, for example from the program control device (not shown), or by a device for limiting the amount.
  • the condensate that precipitates - just like the part of the fresh water that has been filled in - is stored for the next rinsing process. Consumption of fresh water only for the drying sub-program is therefore effectively excluded with simple means.

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Detergent Compositions (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

To avoid use of fresh water only for the drying section of the programme, in a dishwashing machine having a washing container, a container arranged separately from the washing container, a fan for conveying moist air from the washing container through the container arranged separately from the washing container and back to the washing container, fresh water being introduced into the container arranged separately from the washing container, the moist air in the container arranged separately from the washing container is passed over the surface of fresh water stored for the next washing operations. <IMAGE>

Description

Die Erfindung betrifft eine Anordnung zum Trocknen von Geschirr in Haushalt-Geschirrspülmaschinen nach dem Oberbegriff des Patentanspruches 1.The invention relates to an arrangement for drying dishes in household dishwashers according to the preamble of patent claim 1.

Aus der DE-OS 19 26 049 ist eine Anordnung zum Trocknen von Geschirr in Geschirrspülmaschinen bekannt, wobei die Geschirrspülmaschine mit einem Spülbehälter, einem getrennt von dem Spülbehälter angeordneten Behälter, einem Gebläse zur Beförderung von Feuchtluft aus dem Spülbehälter durch den getrennt von dem Spülbehälter angeordneten Behälter zum Spülbehälter zurück ausgestattet ist, wobei in den getrennt von dem Spülbehälter angeordneten Behälter Frischwasser eingeleitet wird. Während des Programmabschnittes Trocknen wird nach einem Ausführungsbeispiel der bekannten Geschirrspülmaschine mittels des Gebläses Feuchtluft aus dem Spülbehälter angesaugt und durch den als Kondensator ausgebildeten, getrennt von dem Spülbehälter angeordneten Behälter geleitet. Über eine Kühlwasserleitung, die in Windungen durch den Kondensator geleitet wird, wird Frischwasser eingeleitet, das aus der Kühlwasserleitung in Strömungsrichtung am Ende des Kondensators in dessen Ausgang austritt. Die Feuchtluft wird entlang der Kühlwasserleitung abgekühlt, so daß die in der Feuchtluft enthaltene Feuchtigkeit kondensiert und als Kondensat über den Ausgang des Kondensators mit dem ausfliessenden Frischwasser in den Spülbehälter zurückgeleitet wird.From DE-OS 19 26 049 an arrangement for drying dishes in dishwashers is known, the dishwasher having a washing container, a container arranged separately from the washing container, a blower for conveying moist air from the washing container through the arranged separately from the washing container Container to the rinsing tank is equipped, with fresh water being introduced into the tank arranged separately from the rinsing tank. During the drying program section, according to one exemplary embodiment of the known dishwasher, moist air is drawn in from the washing container by means of the blower and passed through the container which is designed as a condenser and is arranged separately from the washing container. Fresh water is introduced via a cooling water line, which is conducted in turns through the condenser, and emerges from the cooling water line in the flow direction at the end of the condenser in its outlet. The moist air is cooled along the cooling water line, so that the moisture contained in the moist air condenses and is returned as condensate via the outlet of the condenser with the outflowing fresh water into the rinsing container.

Die abgekühlte Luft strömt ebenso über den Kondensatorausgang in den Spülbehälter und kann nun durch Erwärmung an dem Geschirr wieder Feuchtigkeit aufnehmen und zum Kondensator geleitet werden. Das Frischwasser wird durch eine Pumpe über einen Ablaufschlauch in den Abwasserkanal gefördert.The cooled air also flows through the condenser outlet into the rinsing container and can now absorb moisture by heating up the dishes and be conducted to the condenser. The fresh water is pumped through a drain hose into the sewer.

Nachteilig an der vorbeschriebenen Anordnung ist der Verbrauch einer großen Menge von Frischwassers allein zum Kondensieren der in der Feuchtluft enthaltenen Feuchtigkeit.A disadvantage of the arrangement described above is the consumption of a large amount of fresh water solely for condensing the moisture contained in the moist air.

Aufgabe der Erfindung ist es, eine Anordnung zum Trocknen von Geschirr in Geschirrspülmaschinen zu schaffen, bei dem ein Verbrauch von Frischwasser allein für den Programmabschnitt Trocknen vermieden wird.The object of the invention is to provide an arrangement for drying dishes in dishwashers, in which consumption of fresh water is avoided solely for the drying program section.

Erfindungsgemäß wird diese Aufgabe mit einem Verfahren dadurch gelöst, daß die Feuchtluft in einem den getrennt von dem Spülbehälter angeordneten Behälter über die Oberfläche von für nächste Spülvorgänge bevorratetem Frischwasser geleitet wird.According to the invention, this object is achieved by a method in that the moist air is conducted in a container which is arranged separately from the washing container over the surface of fresh water stored for the next washing operations.

Durch die Verwendung von für nächste Spülvorgänge bevorratetem Frischwasser wird ein Verbrauch von Frischwasser allein für den Programmabschnitt Trocknen vollständig vermieden.The use of fresh water stored for the next rinsing process completely avoids the consumption of fresh water for the drying program section alone.

Nach einem bevorzugten Merkmal der Erfindung ist der getrennt von dem Spülbehälter angeordnete Behälter zumindest zu Beginn des Programmabschnittes Trocknen nur zu einem Teil seiner gesamten Füllmenge mit Frischwasser gefüllt. Mit dieser Maßnahme wird eine weitere Einsparung von Frischwasser erzielt.According to a preferred feature of the invention, the container, which is arranged separately from the rinsing container, is filled with fresh water only at least at the beginning of the drying program section. With this measure, a further saving of fresh water is achieved.

Nach einem weiteren Merkmal der Erfindung sind Mittel zur Messung der Temperatur des in dem getrennt von dem Spülbehälter angeordneten Behälter bevorrateten Frischwassers vorgesehen, über die bei Feststellung einer festlegbaren Temperaturerhöhung Steuerorgane für das Einfüllen einer weiteren Frischwassermenge in den getrennt von dem Spülbehälter angeordneten Behälter ansteuerbar sind. Die zwangsläufig erfolgende Erwärmung des Frischwassers durch die darüber geleitete Feuchtluft wird mit dieser Maßnahme unter Vermeidung jeglichen unnötigen Frischwasserverbrauches gezielt aufgehoben, so daß das Ergebnis des Abkühlens der Feuchtluft und des Kondensierens der darin enthaltenen Feuchtigkeit über dem gesamten Trockenvorgang gleich bleibt.According to a further feature of the invention, means are provided for measuring the temperature of the fresh water stored in the container arranged separately from the rinsing container, via which control elements for filling a further quantity of fresh water into the container arranged separately from the rinsing container can be controlled when a definable temperature increase is determined. The inevitable heating of the fresh water by the humid air conducted over it is specifically eliminated with this measure while avoiding any unnecessary consumption of fresh water, so that the result of the cooling of the humid air and the condensation of the moisture contained therein remains the same over the entire drying process.

Nach einer weiteren Ausführungsform der Erfindung ist das Gebläse derart gerichtet, daß die Feuchtluft aus einem im unteren Bereich des Spülbehälters angeordneten Pumpentopf angesaugt wird und im oberen Bereich des Spülbehälters in diesen wieder eingeleitet. Die im oberen Bereich des Spülbehälters eingeleitete, abgekühlte Luft sinkt nach unten und erwärmt sich zwangsläufig an dem zu trocknenden Geschirr, wobei sie Feuchtigkeit mit aufnimmt. Um zu Verhindern, daß die wieder erwärmte Luft im oberen Bereich des Spülbehälters verbleibt, wird aus dem unteren Bereich des Spülbehälters angesaugt, womit ein optimaler, geschlossener Luftkreislauf gewährleistet ist.According to a further embodiment of the invention, the blower is directed in such a way that the moist air is sucked in from a pump pot arranged in the lower region of the washing container and introduced into the upper region of the washing container again. The cooled air introduced into the upper area of the washing compartment sinks downwards and inevitably heats up on the dishes to be dried, thereby absorbing moisture. In order to prevent the reheated air from remaining in the upper area of the washing compartment, suction is drawn in from the lower area of the washing compartment, thus ensuring an optimal, closed air circuit.

Vorteilhafterweise wird die Feuchtluft in dem vom Spülbehälter getrennt angeordneten Behälter von oben auf die Wasseroberfläche geleitet.The moist air in the container which is arranged separately from the rinsing container is advantageously directed from above onto the water surface.

Nach einem weiteren Merkmal der Erfindung ist in dem getrennt von dem Spülbehälter angeordneten Behälter eine mäanderförmige Führung für die Feuchtluft vorgesehen, womit eine möglichst großflächige Berührung der Feuchtluft mit der Oberfläche des Frischwassers und damit eine optimale Abkühlung der eingeleiteten Feuchtluft erzielt wird. Erfindungsgemäß ist daß der getrennt von dem Spülbehälter angeordnete Behälter ein Wassereinlaufbehälter mit wenigstens einem Wassereinlaß und einem Wasserauslaß und wenigstens einem Lufteinlaß und einem Luftauslaß ist, in dessen Wand ein Temperaturfühler vorgesehen ist.According to a further feature of the invention, a meandering guide for the moist air is provided in the container, which is arranged separately from the rinsing container, so that the largest possible contact of the moist air with the surface of the fresh water and thus optimal cooling of the introduced moist air is achieved. According to the invention, the container which is arranged separately from the rinsing container is a water inlet container with at least one water inlet and one water outlet and at least one air inlet and one air outlet, in the wall of which a temperature sensor is provided.

Ein Wassereinlaufbehälter dient zur Bevorratung und Bemessung der für einen Spülprogrammabschnitt notwendigen Frischwassermenge, so daß mit der erfindungsgemäßen Anordnung gewährleistet ist, daß das während des Programmabschnittes Trocknen eingeleitete Frischwasser für nächste Spülvorgänge bevorratet wird und ein Verbrauch von Frischwasser allein für den Programmabschnitt Trocknen vollständig vermieden ist. Die getrennten Wasser- und Luftkreisläufe bieten die Gewähr für einen störungsfreien Ablauf des Abkühlens der Feuchtluft im Programmabschnitt Trocknen ebenso wie eines störungsfreien Ablaufes des Einfüllens des bevorrateten Wassers in den Spülbehälter in einem der nächsten Spülprogrammabschnitte. Der Temperaturfühler gewährleistet die Ansteuerung von Steuerorganen für das Einleiten einer weiteren Frischwassermenge.A water inlet container is used to stock and measure the amount of fresh water required for a washing program section, so that the arrangement according to the invention ensures that the fresh water introduced during the drying program section is kept in stock for the next washing processes and that fresh water consumption for the drying program section alone is completely avoided. The separate water and air circuits guarantee a trouble-free process of cooling the moist air in the drying program section, as well as a trouble-free process of filling the stored water into the washing container in one of the next washing program sections. The temperature sensor ensures the control of control elements for the introduction of a further quantity of fresh water.

Nach einer weiteren bevorzugten Ausführungsform der Erfindung ist in dem Wassereinlaufbehälter wenigstens eine von einer Wand des Wassereinlaufbehälters ausgehende, senkrechte Trennwand vorgesehen. Damit wird die mäanderförmige Führung der Feuchtluft über die Oberfläche des bevorrateten Frischwassers mit einfachen Maßnahmen bewirkt.According to a further preferred embodiment of the invention, in the water inlet container there is at least one vertical one that starts from a wall of the water inlet container Partition provided. The meandering guidance of the moist air over the surface of the stored fresh water is thus effected with simple measures.

Zweckmäßigerweise ist die wenigstens eine Trennwand einstückig mit der Wand des Wassereinlaufbehälters hergestellt.The at least one partition is expediently produced in one piece with the wall of the water inlet container.

Vorteilhafterweise ist das Gebläse in einem vom Pumpentopf zum Lufteinlaß in den Wassereinlaufbehälter verlaufenden Feuchtluftleitung angeordnet.The blower is advantageously arranged in a moist air line running from the pump pot to the air inlet into the water inlet container.

Nach einer vorteilhaften Ausführungsform der Erfindung ist die Feuchtluftleitung über den Verlauf entlang des Wassereinlaufbehälters mit diesem wenigstens teilweise einstückig hergestellt.According to an advantageous embodiment of the invention, the moist air line is made at least partially in one piece with the water inlet container along the course thereof.

Zweckmäßigerweise ist das Gehäuse des Gebläses mit der Feuchtluftleitung und dem Wassereinlaufbehälter wenigstens teilweise einstückig hergestellt.The housing of the fan is expediently made at least partially in one piece with the moist air line and the water inlet container.

Die Erfindung wird nachstehend anhand des in der Zeichnung dargestellten Ausführungsbeispieles näher erläutert.The invention is explained below with reference to the embodiment shown in the drawing.

Es zeigt

Fig. 1
einen senkrechten Schnitt durch eine mit der erfindungsgemäßen Anordnung und
Fig. 2
einen Schnitt durch die erfindungsgemäße Anordnung entsprechend den Schnittlinien II-II in Fig. 1.
It shows
Fig. 1
a vertical section through a with the arrangement according to the invention and
Fig. 2
2 shows a section through the arrangement according to the invention corresponding to section lines II-II in FIG. 1.

Getrennt von dem Spülbehälter 1 einer Geschirrspülmaschine ist ein als Wassereinlaufbehälter 10 ausgebildeter Behälter angeordnet, in den über einen Wassereinlaß 11 Frischwasser aus einer Hauswasserleitung über eine nicht gezeigte Zuführleitung eingefüllt wird. Aus einem am unteren Ende des Spülbehälters 1 angeordneten Pumpentopf 2 wird über eine Feuchtluftleitung 21 mittels eines Gebläses 20, das in dieser Feuchtluftleitung 21 angeordnet ist, Feuchtluft durch einen Lufteinlaß 13 in den Wassereinlaufbehälter 10 eingeleitet. Aus dem Wassereinlaufbehälter 10 gelangt die Luft durch den Luftauslaß 14 über eine Luftauslaßleitung 15 in einem geschlossenen Umlauf zurück in den Spülbehälter 1. Die Strömungsrichtung der Luft ist mit Pfeilen mit der Bezeichnung 22 angezeigt. In der Wandung des Wassereinlaufbehälters 10 ist ein Temperaturfühler 25 vorgesehen. In Strömungsrichtung 22 am unteren Ende des Wassereinlaufbehälters 10 befindet sich der Wasserauslaß 12, der mittels eines handelsüblichen Ventiles, z.B. eines von einem Programmsteuergerät der Haushalt-Geschirrspülmaschine steuerbaren Magnetventiles verschlossen ist. In dem Wassereinlaufbehälter 10 sind von gegenüberliegegenden Wänden des Wassereinlaufbehälters 10 ausgehende senkrechte Trennwände 16 vorgesehen, die einstückig mit der Wand des Wassereinlaufbehälters 10, von der sie ausgehen, hergestellt sind. Die Feuchtluftleitung 21 ist über deren Verlauf entlang des Wassereinlaufbehälters 10 mit diesem wenigstens teilweise einstückig hergestellt. Ebenso ist das Gehäuse des Gebläses 20 mit der Feuchtluftleitung 21 und dem Wassereinlaufbehälter 10 wenigstens teilweise einstückig hergestellt.Separated from the washing container 1 of a dishwasher is a container designed as a water inlet container 10, into which fresh water from a domestic water line is filled via a water inlet 11 via a feed line, not shown. From a pump pot 2 arranged at the lower end of the rinsing container 1, moist air is introduced into the water inlet container 10 through an air inlet 13 via a moist air line 21 by means of a blower 20 which is arranged in this wet air line 21. From the water inlet container 10, the air passes through the air outlet 14 via an air outlet line 15 in a closed circuit back into the washing container 1. The direction of flow of the air is indicated by arrows with the designation 22. A temperature sensor 25 is provided in the wall of the water inlet container 10. In the direction of flow 22 at the lower end of the water inlet container 10 is the water outlet 12, which is closed by means of a commercially available valve, for example a solenoid valve which can be controlled by a program control unit of the household dishwasher. In the water inlet container 10 are provided from opposite walls of the water inlet container 10 vertical partition walls 16 which are made in one piece with the wall of the water inlet container 10, from which they originate. The moist air line 21 is at least partially made in one piece with the water inlet container 10 along its course. Likewise, the housing of the blower 20 with the moist air line 21 and the water inlet container 10 is at least partially made in one piece.

Zum Spülen in der Geschirrspülmaschine ist nicht gezeigtes Geschirr in nicht dargestellten Geschirrkörben im Spülbehälter 1 eingelagert. In dem einem Programmabschnitt Trocknen vorausgehenden Programmabschnitt wird in einer üblichen Geschirrspülmaschine das Geschirr mittels sehr warmer Spülflüssigkeit erhitzt, was in dem auf das Abpumpen der Spülflüssigkeit folgenden Programmabschnitt Trocknen, dazu führt, daß zwangsläufig an dem Geschirr anhaftende Spülflüssigkeit verdampft und von der im Spülbehälter befindlichen erwärmten Luft als Feuchtigkeit aufgenommen wird. Die so entstandene Feuchtluft wird erfindungsgemäß aus dem Spülbehälter 1 mittels des Gebläses 20 in den Wassereinlaufbehälter 10 eingeleitet, der zumindest zu Beginn des Programmabschnitts Trocknen zu einem Teil seiner gesamten Füllmenge mit Frischwasser gefüllt ist. Durch den in Strömungsrichtung 22 nach unten gerichteten Lufteinlaß 13 wird die Feuchtluft im Wassereinlaufbehälter 10 von oben auf die Wasseroberfläche geleitet. Ein niedrigstes Niveau der Wasseroberfläche ist mit 17 bezeichnet. Da der Lufteinlaß 13 an einer äußeren Ecke des zum Beispiel quaderförmigen Wassereinlaufbehälters 10 angeordnet ist, muß die Feuchtluft um die Trennwände 16 strömen und erhält dabei eine mäanderförmige Führung über die Oberfläche des Frischwassers. Die zwangsläufige Erwärmung des Frischwassers wird von dem Temperaturfühler 25, der unterhalb des Niveaus 17 in der Wand des Wassereinlaufbehälters angeordnet ist, die Temperatur des Frischwassers ständig oder zyklusweise gemessen und mit einem festlegbaren Temperaturerhöhungswert verglichen. Wird die festlegbare Temperaturerhöhung erreicht, so steuert der Temperaturfühler, z.B. mittels eines Impulses, Steuerorgane für das Einfüllen einer weiteren Frischwassermenge in den Wassereinlaufbehälter 10, z.B. ein nicht gezeigtes Programmsteuergerät der Geschirrspülmaschine an, das z.B. durch Öffnen eines nicht gezeigten Wassereinlaufventiles der Geschirrspülmaschine das Einfüllen einer weiteren Frischwassermenge in den Wassereinlaufbehälter einleitet. Die Menge der weiteren einzufüllenden Frischwassermenge kann z.B. durch den Temperaturfühler 25, z.B. bei Erreichen der gewünschten kälteren Mischtemperatur, oder durch einen Zeitimpuls, z.B. aus dem nicht gezeigten Programmsteuergerät, oder durch eine Einrichtung zur Mengenbegrenzung gesteuert werden. Das sich niederschlagende Kondensat - ebenso wie die eingefüllte Teilmenge an Frischwasser - wird für nächste Spülvorgänge bevorratet. Ein Verbrauch von Frischwasser nur für das Teilprogramm Trocknen ist somit mit einfachen Mitteln wirkungsvoll ausgeschlossen.For washing in the dishwasher, dishes (not shown) are stored in dish racks (not shown) in the washing container 1. In the program section preceding a drying program section, the dishes are heated in a conventional dishwasher using very warm washing liquid, which in the drying program section following the pumping out of the washing liquid leads to the fact that washing liquid adhering to the dishes evaporates and is heated by the heated ones in the washing container Air is absorbed as moisture. The resulting moist air is, according to the invention, introduced from the rinsing tank 1 by means of the blower 20 into the water inlet tank 10, which is filled with fresh water at least at the beginning of the drying program section. Through the air inlet 13 directed downward in the direction of flow 22, the moist air in the water inlet container 10 is directed from above onto the water surface. A lowest level of the water surface is indicated at 17. Since the air inlet 13 is arranged at an outer corner of the cuboidal water inlet container 10, for example, the moist air has to flow around the partition walls 16 and is given a meandering guidance over the surface of the fresh water. The inevitable heating of the fresh water is measured by the temperature sensor 25, which is arranged below the level 17 in the wall of the water inlet container, the temperature of the fresh water continuously or cyclically and compared with a definable temperature increase value. If the definable temperature increase is reached, the temperature sensor controls, for example by means of an impulse, control elements for the filling of a further quantity of fresh water into the water inlet container 10, for example a program control device (not shown) of the dishwasher which, for example, does not open by opening one shown water inlet valve of the dishwasher initiates the filling of a further quantity of fresh water into the water inlet container. The amount of further fresh water to be filled in can be controlled, for example, by the temperature sensor 25, for example when the desired colder mixing temperature has been reached, or by a time pulse, for example from the program control device (not shown), or by a device for limiting the amount. The condensate that precipitates - just like the part of the fresh water that has been filled in - is stored for the next rinsing process. Consumption of fresh water only for the drying sub-program is therefore effectively excluded with simple means.

Claims (12)

Anordnung zum Trocknen von Geschirr in Geschirrspülmaschinen mit einem Spülbehälter, einem getrennt von dem Spülbehälter angeordneten Behälter, einem Gebläse zur Beförderung von Feuchtluft aus dem Spülbehälter durch den getrennt von dem Spülbehälter angeordneten Behälter zum Spülbehalter zurück, wobei in den getrennt von dem Spülbehälter angeordnetem Behälter Frischwasser eingeleitet wird, dadurch gekennzeichnet, daß die Feuchtluft in dem getrennt von dem Spülbehälter (1) angeordneten Behälter (10) über die Oberfläche von für nächste Spülvorgänge bevorratetem Frischwasser geleitet wird.Arrangement for drying dishes in dishwashers with a washing container, a container arranged separately from the washing container, a blower for conveying moist air from the washing container back through the container arranged separately from the washing container to the washing container, fresh water being disposed in the container arranged separately from the washing container is introduced, characterized in that the moist air is conducted in the container (10) arranged separately from the rinsing container (1) over the surface of fresh water stored for the next rinsing process. Anordnung nach Anspruch 1, dadurch gekennzeichnet, daß der getrennt von dem Spülbehälter (1) angeordnete Behälter (10) zumindest zu Beginn des Programmabschnittes Trocknen nur zu einem Teil seiner gesamten Füllmenge mit Frischwasser gefüllt ist.Arrangement according to claim 1, characterized in that the container (10) arranged separately from the rinsing container (1) is filled with fresh water only at least at the beginning of the drying program section. Anordnung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß Mittel zur Messung der Temperatur des in dem getrennt von dem Spülbehälter (1) angeordneten Behälter (10) bevorrateten Frischwassers vorgesehen sind, über die bei Feststellung einer festlegbaren Temperaturerhöhung Steuerorgane für das Einfüllen einer weiteren Frischwassermenge in den getrennt von dem Spülbehälter (1) angeordneten Behälter (10) ansteuerbar sind.Arrangement according to claim 1 or 2, characterized in that means for measuring the temperature of the fresh water stored in the container (10) arranged separately from the rinsing container (1) are provided, via which control elements for filling in a further quantity of fresh water upon detection of a definable temperature increase into the container (10) arranged separately from the washing container (1). Anordnung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Gebläse (20) derart gerichtet ist, daß die Feuchtluft aus dem im unteren Bereiche des Spülbehälters (1) angeordneten Pumpentopf (2) angesaugt und im oberen Bereich des Spülbehälters (1) in diesen wieder eingeleitet wird.Arrangement according to one of Claims 1 to 3, characterized in that the blower (20) is directed in such a way that the moist air is drawn in from the pump bowl (2) arranged in the lower region of the washing container (1) and in the upper region of the washing container (1) is reintroduced into this. Anordnung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß die Feuchtluft in dem von dem Spülbehälter (1) getrennt angeordneten Behälter (10) von oben auf die Wasseroberfläche geleitet wird.Arrangement according to one of claims 1 to 4, characterized in that the moist air in the container (10) which is arranged separately from the rinsing container (1) is directed from above onto the water surface. Anordnung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß in dem getrennt von dem Spülbehälter (1) angeordneten Behälter (10) eine mäanderförmige Führung für die Feuchtluft vorgesehen ist.Arrangement according to one of claims 1 to 5, characterized in that a meandering guide for the moist air is provided in the container (10) arranged separately from the rinsing container (1). Anordnung nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß der getrennt von dem Spülbehälter (1) angeordnete Behälter (10) ein Wassereinlaufbehälter (10) mit wenigstens einem Wassereinlaß (11) und einem Wasserauslaß (12) und wenigstens einem Lufteinlaß (13) und einem Luftauslaß (14) ist, in dessen Wand ein Temperaturfühler (25) vorgesehen ist.Arrangement according to one of claims 1 to 6, characterized in that the container (10) arranged separately from the rinsing container (1) is a water inlet container (10) with at least one water inlet (11) and one water outlet (12) and at least one air inlet (13 ) and an air outlet (14), in the wall of which a temperature sensor (25) is provided. Anordnung nach Anspruch 7, dadurch gekennzeichnet, daß in dem Wassereinlaufbehälter (10) wenigstens eine von einer Wand des Wassereinlaufbehälters (10) ausgehende, senkrechte Trennwand (16) vorgesehen ist.Arrangement according to claim 7, characterized in that in the water inlet container (10) there is at least one vertical partition (16) extending from a wall of the water inlet container (10). Anordnung nach Anspruch 8, dadurch gekennzeichnet, daß die wenigstens eine Trennwand (16) einstückig mit der Wand des Wassereinlaufbehälters (10) hergestellt ist.Arrangement according to claim 8, characterized in that the at least one partition (16) is made in one piece with the wall of the water inlet container (10). Anordnung nach einem der Ansprüche 7 bis 9, dadurch gekennzeichnet, daß das Gebläse (20) in einem vom Pumpentopf (20) zum Lufteinlaß (13) verlaufenden Feuchtluftleitung (21) angeordnet ist.Arrangement according to one of claims 7 to 9, characterized in that the fan (20) is arranged in a moist air line (21) running from the pump pot (20) to the air inlet (13). Anordnung nach einem der Ansprüche 6 bis 10, dadurch gekennzeichnet, daß die Feuchtluftleitung (21) über den Verlauf entlang des Wassereinlaufbehälters (10) mit diesem wenigstens teilweise einstückig hergestellt ist.Arrangement according to one of claims 6 to 10, characterized in that the moist air line (21) is made at least partially in one piece with it along the course of the water inlet container (10). Anordnung nach einem der Ansprüche 6 bis 11, dadurch gekennzeichnet, daß das Gehäuse des Gebläses (20) mit der Feuchtluftleitung (21) und dem Wassereinlaufbehälter (10) wenigstens teilweise einstückig hergestellt ist.Arrangement according to one of claims 6 to 11, characterized in that the housing of the blower (20) with the moist air line (21) and the water inlet container (10) is at least partially made in one piece.
EP91117986A 1990-11-23 1991-10-22 Arrangement for drying crockery in dishwashing machines Expired - Lifetime EP0486828B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4037367 1990-11-23
DE4037367A DE4037367C2 (en) 1990-11-23 1990-11-23 Arrangement for drying dishes in dishwashers

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EP0486828A1 true EP0486828A1 (en) 1992-05-27
EP0486828B1 EP0486828B1 (en) 1995-04-05

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EP (1) EP0486828B1 (en)
AT (1) ATE120626T1 (en)
DE (2) DE4037367C2 (en)
DK (1) DK0486828T3 (en)
ES (1) ES2071187T3 (en)
GR (1) GR3015711T3 (en)

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DE4443849A1 (en) * 1994-10-25 1996-05-02 Bauknecht Hausgeraete Method and device for drying dishes in a dishwasher
EP0753282A1 (en) * 1995-07-14 1997-01-15 TECNOPLASTICA PREALPINA S.p.A. A device for cooling and condensing the steam released from the washing drum of a dishwasher machine and the like
US5881746A (en) * 1994-10-25 1999-03-16 Whirlpool Europe B.V. Method and device for drying crockery in a dishwasher
EP0940114A2 (en) * 1998-02-12 1999-09-08 BITRON S.p.A. Device for cooling and condensing steam formed in the washing tank of a dishwashing machine
FR2805729A1 (en) * 2000-03-03 2001-09-07 Aeg Hausgeraete Gmbh DISHWASHER COMPRISING A CONDENSING DEVICE
DE10013415A1 (en) * 2000-03-03 2001-09-13 Aeg Hausgeraete Gmbh Dishwasher has condensation device and rinsing space connected by one or more air channels to outer surface of one or more regenerated water containers
USRE40123E1 (en) 1998-07-10 2008-03-04 Ecolab Inc. Removal of heat and water vapor from commercial dishwashing machines
EP1825800A3 (en) * 2006-02-22 2008-05-14 V-Zug AG Dishwasher having a means for removing moisture from the tub
WO2010023084A2 (en) * 2008-08-27 2010-03-04 BSH Bosch und Siemens Hausgeräte GmbH Dishwasher comprising a sorption drying device
US8696824B2 (en) 2009-02-04 2014-04-15 Electrolux Home Products, Inc. Dishwasher, a door assembly for the dishwasher, and an associated method for drying dishware
US9492051B2 (en) 2010-01-15 2016-11-15 John David Hockaday Vapor removal system
US10295256B2 (en) 2009-02-04 2019-05-21 Electrolux Home Products, Inc. Dishwasher, a door assembly for the dishwasher, and an associated method for drying dishware
WO2022096231A1 (en) * 2020-11-04 2022-05-12 BSH Hausgeräte GmbH Domestic dishwashing machine and method

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DE19806700C2 (en) * 1998-02-18 2001-09-27 Whirlpool Co Arrangement for drying dishes in a dishwasher
DE19946563B4 (en) * 1999-09-29 2004-03-25 AEG Hausgeräte GmbH Dishwasher with a washing container
DE10013416A1 (en) * 2000-03-03 2001-09-13 Aeg Hausgeraete Gmbh A dishwashing machine has an air circulation system with a cold water condenser to dry and cool the air befre return to the wash chamber.
DE10013399A1 (en) * 2000-03-17 2001-09-27 Aeg Hausgeraete Gmbh Heat recovery method for dishwasher involves transferring heat to water in water container during cooling of hot washing liquid in washing chamber e.g. before pumping out, during pre-wash
DE10048516B4 (en) * 2000-09-29 2006-01-05 Fritz Curtius Device for heat and mass exchanges
DE10064868B4 (en) * 2000-12-26 2004-01-15 Fritz Curtius Drying process for dishes and other moist products
ES2227434T3 (en) 2001-01-31 2005-04-01 Winterhalter Gastronom Gmbh INDUSTRIAL DISHWASHER.
DE10122927A1 (en) * 2001-01-31 2002-08-01 Winterhalter Gastronom Gmbh Commercial dishwasher
DE10250790A1 (en) * 2002-10-30 2004-05-19 Aweco Appliance Systems Gmbh & Co. Kg Domestic machine, especially dishwasher or washing machine, has dryer for drying domestic objects in accommodation chamber, coolant for condensing water vapor in direct contact with water vapor
EP4059409B1 (en) * 2021-03-19 2023-11-08 Arçelik Anonim Sirketi A dishwasher providing heat recovery

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Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4443849A1 (en) * 1994-10-25 1996-05-02 Bauknecht Hausgeraete Method and device for drying dishes in a dishwasher
US5881746A (en) * 1994-10-25 1999-03-16 Whirlpool Europe B.V. Method and device for drying crockery in a dishwasher
EP0753282A1 (en) * 1995-07-14 1997-01-15 TECNOPLASTICA PREALPINA S.p.A. A device for cooling and condensing the steam released from the washing drum of a dishwasher machine and the like
EP0940114A2 (en) * 1998-02-12 1999-09-08 BITRON S.p.A. Device for cooling and condensing steam formed in the washing tank of a dishwashing machine
EP0940114A3 (en) * 1998-02-12 2000-02-02 BITRON S.p.A. Device for cooling and condensing steam formed in the washing tank of a dishwashing machine
USRE40123E1 (en) 1998-07-10 2008-03-04 Ecolab Inc. Removal of heat and water vapor from commercial dishwashing machines
DE10013415A1 (en) * 2000-03-03 2001-09-13 Aeg Hausgeraete Gmbh Dishwasher has condensation device and rinsing space connected by one or more air channels to outer surface of one or more regenerated water containers
DE10013415B4 (en) * 2000-03-03 2004-12-02 AEG Hausgeräte GmbH Dishwasher with a condensation device
FR2805729A1 (en) * 2000-03-03 2001-09-07 Aeg Hausgeraete Gmbh DISHWASHER COMPRISING A CONDENSING DEVICE
EP1825800A3 (en) * 2006-02-22 2008-05-14 V-Zug AG Dishwasher having a means for removing moisture from the tub
WO2010023084A2 (en) * 2008-08-27 2010-03-04 BSH Bosch und Siemens Hausgeräte GmbH Dishwasher comprising a sorption drying device
WO2010023084A3 (en) * 2008-08-27 2010-08-26 BSH Bosch und Siemens Hausgeräte GmbH Dishwasher comprising a sorption drying device
US8696824B2 (en) 2009-02-04 2014-04-15 Electrolux Home Products, Inc. Dishwasher, a door assembly for the dishwasher, and an associated method for drying dishware
US9907450B2 (en) 2009-02-04 2018-03-06 Electrolux Home Products, Inc. Dishwasher, a door assembly for the dishwasher, and an associated method for drying dishware
US10295256B2 (en) 2009-02-04 2019-05-21 Electrolux Home Products, Inc. Dishwasher, a door assembly for the dishwasher, and an associated method for drying dishware
US9492051B2 (en) 2010-01-15 2016-11-15 John David Hockaday Vapor removal system
WO2022096231A1 (en) * 2020-11-04 2022-05-12 BSH Hausgeräte GmbH Domestic dishwashing machine and method

Also Published As

Publication number Publication date
EP0486828B1 (en) 1995-04-05
ATE120626T1 (en) 1995-04-15
DE59105106D1 (en) 1995-05-11
DK0486828T3 (en) 1995-08-21
ES2071187T3 (en) 1995-06-16
GR3015711T3 (en) 1995-07-31
DE4037367A1 (en) 1992-05-27
DE4037367C2 (en) 1994-03-31

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