EP1432340A1 - Gas-heated dishwasher - Google Patents

Gas-heated dishwasher

Info

Publication number
EP1432340A1
EP1432340A1 EP02800081A EP02800081A EP1432340A1 EP 1432340 A1 EP1432340 A1 EP 1432340A1 EP 02800081 A EP02800081 A EP 02800081A EP 02800081 A EP02800081 A EP 02800081A EP 1432340 A1 EP1432340 A1 EP 1432340A1
Authority
EP
European Patent Office
Prior art keywords
dishwasher
tubular heater
gas burner
program
closed tubular
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02800081A
Other languages
German (de)
French (fr)
Other versions
EP1432340B1 (en
Inventor
Ulrich Deiss
Ernst Stickel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1432340A1 publication Critical patent/EP1432340A1/en
Application granted granted Critical
Publication of EP1432340B1 publication Critical patent/EP1432340B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4285—Water-heater arrangements

Definitions

  • the invention relates to a gas-heated dishwasher according to the preamble of patent claim 1.
  • DE 544 010 discloses a dishwashing device with a washing and rinsing liquid container and a standing crockery basket, in which the rinsing liquid is heated to a high temperature during the washing process by means of a gas burner placed under it, the items being washed being dried indirectly by heating the rinsing liquid
  • the dish washing device has a washing liquid container and a rinsing liquid container, the washing liquid container being heated indirectly via the rinsing liquid container.
  • warm air rises and thus contributes to the drying of the wash ware. It has proven disadvantageous in this dishwashing device that a relatively large amount of liquid is consumed and that heat is only to be transported via the air in order to dry the wetted items.
  • a gas-heated dishwasher is known from US Pat. No. 3,4,669, the gas burner being arranged in the engine compartment and heating the air in a pipe loop. Since the gas burner is arranged inside the pipe system, it heats the air inside, which in turn heats the pipe surface in order to accelerate the drying process in the washing container.
  • the essentially horizontally arranged pipe loop in the engine compartment, in which the gas burner is arranged leads to the rear wall of the dishwasher and opens into an upwardly open shaft which runs essentially diagonally on the rear wall of the dishwasher, in order to make it as large as possible Unfold the surface towards the washing container. Due to the gas burner arranged in the pipe loop, the exhaust gases resulting from the burning of the gas are to be discharged to the outside through the pipe loop.
  • the object of the present invention is therefore to provide a gas-heated dishwasher which is suitable both for drying the dishes and for heating the washing liquid in an efficient manner, with the possibility of providing a worktop above the dishwasher.
  • a gas burner is arranged, which is used for heating the washing liquid and drying the wash ware, the gas burner being designed and arranged in the engine compartment in such a way that it at least one closed tubular heating element filled with a fluid during a sub-program section "drying" and the Rinsing liquid warmed up with rinsing liquid insert during the program sections.
  • the tubular heating element filled with a fluid for example a liquid or a gas
  • a fluid for example a liquid or a gas
  • frost when using a liquid as a fluid with an antifreeze.
  • the fluid When the fluid is heated, it is transported in the closed tubular heater due to the temperature differences that form within it, but it can also be advantageous to integrate a separate pump for the transport of the fluid into the closed tubular heater, which supports the circulation of the fluid ,
  • the closed tubular heater which is filled with a fluid, is advantageously heated only during the “drying” part of the program, but it can also be be partial to heat the closed tubular heater filled with a fluid during the entire washing program.
  • the closed tubular heating element filled with a fluid such that the largest possible area of the tubular heating element is adjacent to a wall of the washing container.
  • the closed one is advantageous "Tubular heating elements filled with a fluid are meandering and arranged in a side wall or the rear wall of the dishwasher.
  • the closed tubular heating element filled with fluid expediently extends at least in sections from the side or rear wall into the motor compartment of the dishwasher, in which the gas burner is arranged.
  • the closed tubular heater filled with fluid has as large a surface as possible so that the energy stored therein can be released to the atmosphere in the washing container as quickly as possible rgie is used to heat the atmosphere in the washing compartment in order to absorb the moisture adhering to the items being washed.
  • sections of the closed, fluid-filled tubular heater and supply lines for the flushing liquid are brought together in a heat exchanger which is heated with the gas burner.
  • an electrical energy supplier preferably an accumulator, is provided in the base area of the dishwasher, which can deliver at least as much electrical energy in order to provide the power required for the execution of the washing program, the control and actuation of the pumps, etc. to apply for a washing program sequence.
  • the accumulator is advantageously continuously charged, provided that it is connected to an electrical network and this allows charging.
  • the dishwasher is designed in such a way that a washing program is only ready to start when a signal from the rechargeable battery enables the user to start on the state of charge of the battery. Basically, it must be ensured that the entire washing program can be completed with the stored energy.
  • the dishwasher according to the invention has the advantages that the required electrical energy is considerably reduced by the use of gas, and the economy is thus increased at least in some countries or regions. Furthermore, the dishwasher according to the invention will prove to be advantageous in countries and regions whose electrical power network is not always reliably available or can only be used in contingents at certain times of the day or night.
  • FIG. 1 is a perspective and schematic representation of the dishwasher according to the invention, but the
  • FIG. 2 shows a sectional view through the dishwasher according to the invention, only the closed tubular heater being heated by means of a heat exchanger.
  • a dishwasher 1 which has a meandering tubular heater 3 in its left side wall, with a pump 9, which is operatively connected via a gas burner 2 and a heat exchanger 5 arranged directly above it.
  • the gas burner 2 is started via an electrical or mechanical signal in order to heat a fluid in the closed tubular heating element 3, for example a liquid or a gas, in the heat exchanger 5 located above it.
  • the fluid is expediently moved in a circulating manner via the pump 9 in the closed tubular heating element 3.
  • FIG. 2 A preferred embodiment of the present dishwasher 1 according to the invention is shown in the arrangement according to FIG. 2, the feed line 4 provided for transporting the washing liquid being heated by means of a gas burner 2.
  • the heated rinsing liquid is pumped into the transported to the respective areas of the washing container and used there by the spray arms in accordance with the respective sub-program section of the washing program.
  • the gas burner 2 advantageously has a region which can be controlled electronically or mechanically in accordance with the respective program stage and which heats the fluid in the closed tubular heating element 3 via a heat exchanger 5. Due to physical laws, the heated fluid begins to circulate in the closed tubular heating element 3, so that an essentially balanced heat distribution within the tubular heating element 3 can be determined.
  • the closed, fluid-filled tubular heating element 3 is expediently arranged directly adjacent to the washing container, so that the washing container wall heated in this way heats the atmosphere in the washing container and thus has a favorable effect on drying during the “drying” part of the program.
  • an electrical energy supplier in the exemplary embodiment shown, an accumulator A, is provided in the dishwasher 1 according to the invention, which supplies at least the required amount of electrical energy for starting the gas burner 2, the control of the washing program and the control and rotation of the pumps for the sequence at least one wash program is required.
  • the accumulator A is constantly charging, provided electrical energy is available for charging through an external network.
  • the dishwasher 1 is designed in such a way that a washing program is only ready to start when a signal from the battery A releases the start command of the user, depending on the state of charge of the battery A, it being necessary to ensure that the entire washing program can be completed with the stored energy.
  • the dishwasher 1 according to the invention has the advantages that the required electrical energy is considerably reduced by the use of gas and the economy is thus increased at least in some countries or regions. Furthermore, the dishwasher 1 according to the invention will prove advantageous in countries and regions whose electrical power network is not always reliably available or can only be used in contingents at certain times of the day or night.

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

In order to provide a gas-heated dishwasher (1), comprising a gas burner (2) for heating the rinsing liquid (8) and drying dishes, which is suitable for drying dishes and heating the rinsing liquid (8) in an efficient way, while at the same time making it possible for a worktop to be placed on top of the dishwasher, the gas burner (2) is embodied in such a way and disposed in the motor chamber (7) in such a way that it heats at least one closed tubular heating body (3) filled with a fluid during a sub-program Dry section and heats the rinsing fluid (8) during the sub-program sections when said rinsing fluid is used.

Description

Gasbeheizte Geschirrspülmaschine Gas-heated dishwasher
Die Erfindung betrifft eine gasbeheizte Geschirrspülmaschine nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a gas-heated dishwasher according to the preamble of patent claim 1.
Aus der DE 544 010 ist eine Geschirrwaschvorrichtung mit Wasch- und Spülflüssigkeits- behälter und stillstehendem Geschirrkorb bekannt, bei der über einen untergestellten Gasbrenner die Spülflüssigkeit auf eine hohe Temperatur während des Waschvorgangs erwärmt wird, wobei die Trocknung des Spülguts mittelbar über die Erwärmung der Spülflüssigkeit geschieht, Hierzu weist die Geschirrwaschvorrichtung einen Waschflüssigkeits- behälter und einen Spülflüssigkeitsbehälter auf, wobei der Waschflüssigkeitsbehälter mittelbar über den Spülflüssigkeitsbehälter erwärmt wird. Durch Erhitzen des Spülflüssig- keitsbehälters steigt warme Luft nach oben und trägt so zur Trocknung des Spülguts bei. Als nachteilig hat sich bei dieser Geschirrwaschvorrichtung erwiesen, dass eine relativ große Flüssigkeitsmenge verbraucht wird, sowie lediglich über die Luft Wärme transportiert werden soll, um das benetzte Spülgut zu trocknen.DE 544 010 discloses a dishwashing device with a washing and rinsing liquid container and a standing crockery basket, in which the rinsing liquid is heated to a high temperature during the washing process by means of a gas burner placed under it, the items being washed being dried indirectly by heating the rinsing liquid For this purpose, the dish washing device has a washing liquid container and a rinsing liquid container, the washing liquid container being heated indirectly via the rinsing liquid container. By heating the rinsing liquid container, warm air rises and thus contributes to the drying of the wash ware. It has proven disadvantageous in this dishwashing device that a relatively large amount of liquid is consumed and that heat is only to be transported via the air in order to dry the wetted items.
Aus der US 3,4,669 ist eine gasbeheizte Geschirrspülmaschine bekannt, wobei der Gas- brenner im Motorraum angeordnet ist und die in einer Rohrschleife befindliche Luft erhitzt. Da der Gasbrenner innerhalb des Rohrsystems angeordnet ist, erhitzt er die darin befindliche Luft, die ihrerseits die Rohroberfläche erwärmt, um damit den Trocknungsvorgang im Spülbehälter zu beschleunigen. Hierzu führt die im wesentlichen waagrecht angeordnete Rohrschleife im Motorraum, in der der Gasbrenner angeordnet ist, zur Rückwand der Ge- schirrspülmaschine und mündet dort in einen nach oben offenen Schacht, der im wesentlichen diagonal an der Rückwand der Geschirrspülmaschine verläuft, um so eine möglichst große Oberfläche zum Spülbehälter hin zu entfalten. Aufgrund des in der Rohrschleife angeordneten Gasbrenners sind die durch das Abbrennen des Gases entstandenen Abgase durch die Rohrschleife nach außen abzuführen. Dies geschieht über den im wesentlichen diagonal an der Rückwand verlaufenden Luftschacht, der an seinem oberen Ende. d.h. der Arbeitsplatte der Geschirrspülmaschine, offen ist. Die Verwendung eines Abgasrohres, welches im Rückbereich einer Arbeitsplatte angeordnet ist, kann bereits aus Offensichtlichkeitsgründen hinsichtlich der Praktikabilität und Sicherheit als nachteilig erachtet werden. Ebenso ist die Effizienz eines Gasbrenners, der lediglich ein mit Luft gefülltes Rohrsystem erwärmt, um damit die Trocknungszeit von Spülgut zu verringern, sehr gering.A gas-heated dishwasher is known from US Pat. No. 3,4,669, the gas burner being arranged in the engine compartment and heating the air in a pipe loop. Since the gas burner is arranged inside the pipe system, it heats the air inside, which in turn heats the pipe surface in order to accelerate the drying process in the washing container. For this purpose, the essentially horizontally arranged pipe loop in the engine compartment, in which the gas burner is arranged, leads to the rear wall of the dishwasher and opens into an upwardly open shaft which runs essentially diagonally on the rear wall of the dishwasher, in order to make it as large as possible Unfold the surface towards the washing container. Due to the gas burner arranged in the pipe loop, the exhaust gases resulting from the burning of the gas are to be discharged to the outside through the pipe loop. This takes place via the air shaft, which runs essentially diagonally on the rear wall, at its upper end. ie the worktop of the dishwasher is open. The use of an exhaust pipe, which is arranged in the rear area of a worktop, can already be used Obviousness reasons with regard to practicability and security are considered to be disadvantageous. Likewise, the efficiency of a gas burner that only heats a pipe system filled with air in order to reduce the drying time of items to be washed is very low.
Aufgabe der vorliegenden Erfindung ist es daher, eine gasbeheizte Geschirrspülmaschine bereitzustellen, die sowohl für das Trocknen des Spülguts und das Erwärmen der Spülflüssigkeit in effizienter Weise geeignet ist, wobei die Möglichkeit gegeben sein sollte, oberhalb der Geschirrspülmaschine eine Arbeitsplatte vorzusehen.The object of the present invention is therefore to provide a gas-heated dishwasher which is suitable both for drying the dishes and for heating the washing liquid in an efficient manner, with the possibility of providing a worktop above the dishwasher.
Diese Aufgabe wird durch die erfindungsgemäße Geschirrspülmaschine mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen der Erfindung sind in den Unteransprüchen gekennzeichnet.This object is achieved by the dishwasher according to the invention with the features of claim 1. Advantageous embodiments of the invention are characterized in the subclaims.
Bei der erfindungsgemäßen Geschirrspülmaschine wird ein Gasbrenner angeordnet, der zum Erwärmen der Spülflüssigkeit und Trocknen des Spülguts dient, wobei der Gasbrenner so ausgebildet und im Motorraum angeordnet ist, dass er zumindest einen mit einem Fluid gefüllten, geschlossenen Rohrheizkörper während eines Teilprogrammabschnitts „Trocknen" und die Spülflüssigkeit während der Teilprogrammabschnitte mit Spülflüssig- keitseinsatz erwärmt.In the dishwasher according to the invention, a gas burner is arranged, which is used for heating the washing liquid and drying the wash ware, the gas burner being designed and arranged in the engine compartment in such a way that it at least one closed tubular heating element filled with a fluid during a sub-program section "drying" and the Rinsing liquid warmed up with rinsing liquid insert during the program sections.
Vorzugsweise wird der mit einem Fluid gefüllte, beispielsweise einer Flüssigkeit oder einem Gas, geschlossene Rohrheizkörper bei Verwendung einer Flüssigkeit als Fluid mit einem Frostschutzmittel gegen Frost geschützt.Preferably, the tubular heating element filled with a fluid, for example a liquid or a gas, is protected against frost when using a liquid as a fluid with an antifreeze.
Bei EnΛ/ärmung des Fluids wird dieses aufgrund der sich ausbildenden Temperaturunterschiede innerhalb des geschlossenen Rohrheizkörpers in diesem transportiert, es kann jedoch auch vorteilhaft sein, für den Transport des Fluids eine eigene Pumpe hierzu in den geschlossenen Rohrheizkörper zu integrieren, der die Zirkulation des Fluids unterstützt.When the fluid is heated, it is transported in the closed tubular heater due to the temperature differences that form within it, but it can also be advantageous to integrate a separate pump for the transport of the fluid into the closed tubular heater, which supports the circulation of the fluid ,
Vorteilhafterweise wird der geschlossene, mit einem Fluid gefüllte Rohrheizkörper lediglich während des Teilprogrammabschnitts „Trocknen" erwärmt, es kann jedoch auch vor- teilhaft sein, den geschlossenen, mit einem Fluid gefüllten Rohrheizkörper während des gesamten Spülprogramms zu erwärmen.The closed tubular heater, which is filled with a fluid, is advantageously heated only during the “drying” part of the program, but it can also be be partial to heat the closed tubular heater filled with a fluid during the entire washing program.
Um eine möglichst effiziente Trocknung während des Teilprogrammabschnitts „Trocknen" zu erreichen, ist es zweckmäßig, den geschlossenen, mit einem Fluid gefüllten Rohrheiz- körper so auszubilden, dass eine möglichst große Fläche des Rohrheizkörpers zu einer Wand des Spülbehälters benachbart ist. Vorteilhaftenweise ist der geschlossene, mit einem Fluid gefüllte Rohrheizkörper mäanderförmig ausgebildet und in einer Seitenwand oder der Rückwand der Geschirrspülmaschine angeordnet. Zweckmäßigerweise erstreckt sich der geschlossene, mit Fluid gefüllte Rohrheizkörper von der Seiten- oder Rückwand zumindest abschnittsweise bis in den Motorraum der Geschirrspülmaschine, in dem der Gasbrenner angeordnet ist. Zur Verbesserung der Trocknungswirkung weist damit der geschlossene, mit Fluid gefüllte Rohrheizkörper eine möglichst große Oberfläche auf, um so die darin gespeicherte Energie möglichst rasch an die Atmosphäre im Spülbehälter abgeben zu können. Diese Energie dient zur Erwärmung der Atmosphäre im Spülbehäl- ter, um die an dem Spülgut anhaftende Feuchtigkeit aufnehmen zu können.In order to achieve the most efficient drying possible during the sub-program section "drying", it is expedient to design the closed tubular heating element filled with a fluid such that the largest possible area of the tubular heating element is adjacent to a wall of the washing container. The closed one is advantageous "Tubular heating elements filled with a fluid are meandering and arranged in a side wall or the rear wall of the dishwasher. The closed tubular heating element filled with fluid expediently extends at least in sections from the side or rear wall into the motor compartment of the dishwasher, in which the gas burner is arranged. ***" In order to improve the drying effect, the closed tubular heater filled with fluid has as large a surface as possible so that the energy stored therein can be released to the atmosphere in the washing container as quickly as possible rgie is used to heat the atmosphere in the washing compartment in order to absorb the moisture adhering to the items being washed.
Bei einer bevorzugten Ausführungsform der vorliegenden Erfindung werden Abschnitte des geschlossenen, mit Fluid gefüllten Rohrheizkörpers und Zufuhrleitungen für die Spülflüssigkeit in einem Wärmetauscher zusammengeführt, der mit dem Gasbrenner erwärmt wird.In a preferred embodiment of the present invention, sections of the closed, fluid-filled tubular heater and supply lines for the flushing liquid are brought together in a heat exchanger which is heated with the gas burner.
Bei einer bevorzugten Ausführungsform der vorliegenden Erfindung ist ein elektrischer Energielieferant, vorzugsweise ein Akkumulator, im Bodenbereich der Geschirrspülmaschine vorgesehen, der zumindest so viel elektrische Energie liefern kann, um die not- wendige Leistung für den Ablauf des Spülprogramms, die Aussteuerung und Betätigung der Pumpen etc. für einen Spülprogrammablauf aufzubringen.In a preferred embodiment of the present invention, an electrical energy supplier, preferably an accumulator, is provided in the base area of the dishwasher, which can deliver at least as much electrical energy in order to provide the power required for the execution of the washing program, the control and actuation of the pumps, etc. to apply for a washing program sequence.
Vorteilhafterweise wird der Akkumulator ständig aufgeladen, sofern er an ein elektrisches Netz angeschlossen ist und dieses ein Aufladen erlaubt.The accumulator is advantageously continuously charged, provided that it is connected to an electrical network and this allows charging.
Bei einer besonders bevorzugten Ausführungsform der vorliegenden Erfindung ist die Geschirrspülmaschine so ausgebildet, dass ein Spülprogramm erst dann zu starten bereit ist, wenn ein Signal des Akkumulators den Startbefehl des Benutzers freigibt, abhängig vom Ladezustand des Akkumulators. Grundsätzlich muss sichergestellt sein, dass das gesamte Spülprogramm mit der gespeicherten Energie abgeschlossen werden kann.In a particularly preferred embodiment of the present invention, the dishwasher is designed in such a way that a washing program is only ready to start when a signal from the rechargeable battery enables the user to start on the state of charge of the battery. Basically, it must be ensured that the entire washing program can be completed with the stored energy.
Die erfindungsgemäße Geschirrspülmaschine weist die Vorteile auf, dass durch die Verwendung von Gas die erforderliche elektrische Energie erheblich reduziert wird und so die Wirtschaftlichkeit zumindest in einigen Ländern oder Regionen erhöht wird. Weiterhin wird sich die erfindungsgemäße Geschirrspülmaschine in Ländern und Regionen als vorteilhaft erweisen, deren elektrisches Stromnetz nicht immer zuverlässig zur Verfügung steht oder lediglich zu bestimmten Tages- oder Nachtzeiten in Kontingenten verwendet werden kann.The dishwasher according to the invention has the advantages that the required electrical energy is considerably reduced by the use of gas, and the economy is thus increased at least in some countries or regions. Furthermore, the dishwasher according to the invention will prove to be advantageous in countries and regions whose electrical power network is not always reliably available or can only be used in contingents at certain times of the day or night.
Nachfolgend wird eine bevorzugte Ausführungsform der vorliegenden Erfindung anhand von Zeichnungen näher erläutert. Es zeigen:A preferred embodiment of the present invention is explained in more detail below with reference to drawings. Show it:
Figur 1 eine perspektivische und schematische Darstellung der erfin- dungsgemäßen Geschirrspülmaschine, wobei jedoch dieFigure 1 is a perspective and schematic representation of the dishwasher according to the invention, but the
Spülflüssigkeitsleitungen nicht dargestellt sind;Flush liquid lines are not shown;
Figur 2 eine Schnittdarstellung durch die erfindungsgemäße Geschirrspülmaschine, wobei lediglich der geschlossene Rohrheizkör- per mittels Wärmetauscher erwärmt wird.FIG. 2 shows a sectional view through the dishwasher according to the invention, only the closed tubular heater being heated by means of a heat exchanger.
In der Anordnung gemäß Figur 1 ist eine Geschirrspülmaschine 1 gezeigt, die in ihrer linken Seitenwand einen mäanderförmig ausgebildeten Rohrheizkörper 3 aufweist, mit einer Pumpe 9, die über einen Gasbrenner 2 und einem unmittelbar darüber angeordneten Wärmetauscher 5 wirktechnisch verbunden ist. Je nach Teilprogrammabschnitt des Spülprogramms wird über ein elektrisches oder mechanisches Signal der Gasbrenner 2 gestartet, um in dem darüber befindlichen Wärmetauscher 5 ein in dem geschlossenen Rohrheizkörper 3 befindliches Fluid, beispielsweise eine Flüssigkeit oder ein Gas, zu erwärmen. Zweckmäßigerweise wird das Fluid über die Pumpe 9 in dem geschlossenen Rohrheizkörper 3 zirkulierend bewegt. In der Anordnung gemäß Figur 2 wird eine bevorzugte Ausführungsform der vorliegenden erfindungsgemäßen Geschirrspülmaschine 1 gezeigt, wobei die zum Transport der Spülflüssigkeit vorgesehene Zufuhrleitung 4 mittels Gasbrenner 2 erwärmt wird. Die erwärmte Spülflüssigkeit wird über eine Pumpe 9 in die jeweiligen Bereiche des Spülbehälters transportiert und durch die Sprüharme dort entsprechend des jeweiligen Teilprogrammabschnitts des Spülprogramms eingesetzt. Der Gasbrenner 2 weist vorteilhafterweise einen Bereich auf, der elektronisch oder mechanisch entsprechend der jeweiligen Programmstufe angesteuert werden kann und über einen Wärmetauscher 5 das Fluid in dem geschlossenen Rohrheizkörper 3 erhitzt. Auf- grund physikalischer Gesetzmäßigkeiten beginnt das erwärmte Fluid, in dem geschlossenen Rohrheizkörper 3 zu zirkulieren, so dass eine im wesentlichen ausgeglichene Wärmeverteilung innerhalb des Rohrheizkörpers 3 festgestellt werden kann. Zweckmäßigerweise wird der geschlossene, mit Fluid gefüllte Rohrheizkörper 3 unmittelbar an den Spülbehälter benachbart angeordnet, so dass die so aufgeheizte Spülbehälterwand die Atmosphäre im Spülbehälter erwärmt und so die Trocknung während des Teilprogrammabschnitts „Trocknen" günstig beeinflusst.In the arrangement according to FIG. 1, a dishwasher 1 is shown, which has a meandering tubular heater 3 in its left side wall, with a pump 9, which is operatively connected via a gas burner 2 and a heat exchanger 5 arranged directly above it. Depending on the sub-program section of the washing program, the gas burner 2 is started via an electrical or mechanical signal in order to heat a fluid in the closed tubular heating element 3, for example a liquid or a gas, in the heat exchanger 5 located above it. The fluid is expediently moved in a circulating manner via the pump 9 in the closed tubular heating element 3. A preferred embodiment of the present dishwasher 1 according to the invention is shown in the arrangement according to FIG. 2, the feed line 4 provided for transporting the washing liquid being heated by means of a gas burner 2. The heated rinsing liquid is pumped into the transported to the respective areas of the washing container and used there by the spray arms in accordance with the respective sub-program section of the washing program. The gas burner 2 advantageously has a region which can be controlled electronically or mechanically in accordance with the respective program stage and which heats the fluid in the closed tubular heating element 3 via a heat exchanger 5. Due to physical laws, the heated fluid begins to circulate in the closed tubular heating element 3, so that an essentially balanced heat distribution within the tubular heating element 3 can be determined. The closed, fluid-filled tubular heating element 3 is expediently arranged directly adjacent to the washing container, so that the washing container wall heated in this way heats the atmosphere in the washing container and thus has a favorable effect on drying during the “drying” part of the program.
Vorteilhafterweise ist in der erfindungsgemäßen Geschirrspülmaschine 1 ein elektrischer Energielieferant, im gezeigten Ausführungsbeispiel ein Akkumulator A, vorgesehen, der zumindest die erforderliche elektrische Energiemenge für den Start des Gasbrenners 2, die Steuerung des Spülprogramms und die Steuerung und Drehung der Pumpen liefert, die für den Ablauf zumindest eines Spülprogramms erforderlich ist. In besonders vorteilhafter Weise lädt sich der Akkumulator A ständig auf, sofern elektrisches Energie durch ein externes Netz zur Aufladung zur Verfügung steht.Advantageously, an electrical energy supplier, in the exemplary embodiment shown, an accumulator A, is provided in the dishwasher 1 according to the invention, which supplies at least the required amount of electrical energy for starting the gas burner 2, the control of the washing program and the control and rotation of the pumps for the sequence at least one wash program is required. In a particularly advantageous manner, the accumulator A is constantly charging, provided electrical energy is available for charging through an external network.
Bei einer nicht gezeigten Ausführungsform der vorliegenden Erfindung ist die Geschirrspülmaschine 1 so ausgebildet, dass ein Spülprogramm erst dann zu starten bereit ist, wenn ein Signal des Akkumulators A den Startbefehl des Benutzers freigibt, abhängig vom Ladezustand des Akkumulators A, wobei sichergestellt sein muss, dass das gesamte Spülprogramm mit der gespeicherten Energie abgeschlossen werden kann.In an embodiment of the present invention, not shown, the dishwasher 1 is designed in such a way that a washing program is only ready to start when a signal from the battery A releases the start command of the user, depending on the state of charge of the battery A, it being necessary to ensure that the entire washing program can be completed with the stored energy.
Die erfindungsgemäße Geschirrspülmaschine 1 weist die Vorteile auf, dass durch die Verwendung von Gas die erforderliche elektrische Energie erheblich reduziert wird und so die Wirtschaftlichkeit zumindest in einigen Ländern oder Regionen erhöht wird. Weiterhin wird sich die erfindungsgemäße Geschirrspülmaschine 1 in Ländern und Regionen als vorteilhaft erweisen, deren elektrisches Stromnetz nicht immer zuverlässig zur Verfügung steht oder lediglich zu bestimmten Tages- oder Nachtzeiten in Kontingenten verwendet werden kann. The dishwasher 1 according to the invention has the advantages that the required electrical energy is considerably reduced by the use of gas and the economy is thus increased at least in some countries or regions. Furthermore, the dishwasher 1 according to the invention will prove advantageous in countries and regions whose electrical power network is not always reliably available or can only be used in contingents at certain times of the day or night.

Claims

Patentansprüche claims
1. Geschirrspülmaschine (1) mit einem Gasbrenner (2) zum Erwärmen der Spülflüssigkeit (8) und Trocknen des Spülguts, dadurch gekennzeichnet, dass der Gasbrenner (2) so ausgebildet und im Motorraum (7) angeordnet ist, dass er zumindest einen mit einem Fluid gefüllten, geschlossenen Rohrheizkörper (3) während eines Teilprogrammabschnitts „Trocknen" und die Spülflüssigkeit (8) während der Teilprogrammabschnitte mit Spülflüssigkeitseinsatz erwärmt.1. Dishwasher (1) with a gas burner (2) for heating the washing liquid (8) and drying the items to be washed, characterized in that the gas burner (2) is designed and arranged in the engine compartment (7) in such a way that it has at least one with a Fluid-filled, closed tubular heating elements (3) during a partial program section “drying” and the washing liquid (8) heated during the partial program sections with the use of washing liquid.
2. Geschirrspülmaschine (1) nach Anspruch 1, dadurch gekennzeichnet, dass der Rohrheizkörper (3) bei Verwendung einer Flüssigkeit als Fluid mit einem Frostschutzmittel gegen Frost geschützt ist.2. Dishwasher (1) according to claim 1, characterized in that the tubular heater (3) is protected against frost when using a liquid as a fluid with an antifreeze.
3. Geschirrspülmaschine (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Fluid mittels einer Pumpe (9) durch den geschlossenen Rohrheizkörper (3) zirkuliert.3. Dishwasher (1) according to claim 1 or 2, characterized in that the fluid circulates by means of a pump (9) through the closed tubular heater (3).
4. Geschirrspülmaschine (1) nach einem der vorherigen Ansprüche, dadurch ge- kennzeichnet, dass der geschlossene Rohrheizkörper (3) lediglich während des4. Dishwasher (1) according to any one of the preceding claims, characterized in that the closed tubular heater (3) only during
Teilprogrammabschnitts „Trocknen" erwärmt wird.Sub-program section "drying" is heated.
5. Geschirrspülmaschine (1) nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass der geschlossene Rohrheizkörper (3) in einer Seitenwand oder der Rückwand der Geschirrspülmaschine (1 ) angeordnet ist.5. Dishwasher (1) according to one of the preceding claims, characterized in that the closed tubular heater (3) is arranged in a side wall or the rear wall of the dishwasher (1).
6. Geschirrspülmaschine (1) nach Anspruch 5, dadurch gekennzeichnet, dass der geschlossene Rohrheizkörper mäanderförmig ausgebildet ist.6. Dishwasher (1) according to claim 5, characterized in that the closed tubular heater is meandering.
7. Geschirrspülmaschine (1) nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass sich ein Abschnitt des geschlossenen Rohrheizkörpers (3) bis in den Motorraum (7) der Geschirrspülmaschine (1) erstreckt. 7. Dishwasher (1) according to claim 5 or 6, characterized in that a section of the closed tubular heater (3) extends into the motor compartment (7) of the dishwasher (1).
Geschirrspülmaschine (1) nach Anspruch 7, dadurch gekennzeichnet, dass der Rohrheizkorper (3) und Zufuhrleitungen (4) für die Spulflussigkeit in einem Wärmetauscher (5) zusammengeführt werden, der mit dem Gasbrenner erwärmt wird Dishwasher (1) according to claim 7, characterized in that the tubular heater (3) and supply lines (4) for the rinsing liquid are brought together in a heat exchanger (5) which is heated with the gas burner
9. Geschirrspülmaschine nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass ein elektrischer Energielieferant vorgesehen ist, der zumindest die erforderliche elektrische Energiemenge für den Start des Gasbrenners (2), die Steuerung des Spulprogramms und die Steuerung und Regelung der Pumpen liefert, die für den Ablauf eines Spulprogramms erforderlich ist.9. Dishwasher according to one of the preceding claims, characterized in that an electrical energy supplier is provided which provides at least the required amount of electrical energy for starting the gas burner (2), the control of the winding program and the control and regulation of the pumps for the A winding program is required.
10. Geschirrspülmaschine nach Anspruch 9, dadurch gekennzeichnet, dass der e- lektrische Energielieferant wenigstens ein Akkumulator (A) ist10. Dishwasher according to claim 9, characterized in that the electrical energy supplier is at least one accumulator (A)
11. Geschirrspulmaschine nach Anspruch 10, dadurch gekennzeichnet, dass der11. Dishwasher according to claim 10, characterized in that the
Akkumulator (A) ständig aufgeladen wird, sofern elektrische Energie durch ein externes Netz zur Aufladen zur Verfugung steht.Accumulator (A) is constantly charged, provided electrical energy is available for charging through an external network.
12. Geschirrspülmaschine nach einem der Ansprüche 9 bis 11 , dadurch gekenn- zeichnet, dass sie so ausgebildet ist, dass ein Spulprogramm erst dann zu starten bereit ist, wenn ein Signal des Akkumulators (A) den Startbefehl des Benutzers freigibt, abhangig vom Ladezustand des Akkumulators (A). 12. Dishwasher according to one of claims 9 to 11, characterized in that it is designed such that a winding program is only ready to start when a signal from the battery (A) releases the start command of the user, depending on the charge status of the Accumulator (A).
EP02800081A 2001-09-27 2002-09-12 Gas-heated dishwasher Expired - Lifetime EP1432340B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10147765A DE10147765C1 (en) 2001-09-27 2001-09-27 Gas-heated dishwashing machine uses gas burner located in motor space at base of dishwashing machine housing
DE10147765 2001-09-27
PCT/EP2002/010256 WO2003028520A1 (en) 2001-09-27 2002-09-12 Gas-heated dishwasher

Publications (2)

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EP1432340A1 true EP1432340A1 (en) 2004-06-30
EP1432340B1 EP1432340B1 (en) 2007-01-24

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US (1) US6966323B2 (en)
EP (1) EP1432340B1 (en)
CN (1) CN1250153C (en)
AR (1) AR036686A1 (en)
AT (1) ATE352249T1 (en)
BR (1) BR0212831A (en)
DE (2) DE10147765C1 (en)
ES (1) ES2279006T3 (en)
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WO (1) WO2003028520A1 (en)

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ES2279006T3 (en) 2007-08-16
DE10147765C1 (en) 2002-10-24
US6966323B2 (en) 2005-11-22
DE50209373D1 (en) 2007-03-15
MXPA04002332A (en) 2004-06-29
US20040194815A1 (en) 2004-10-07
WO2003028520A1 (en) 2003-04-10
CN1561177A (en) 2005-01-05
EP1432340B1 (en) 2007-01-24
BR0212831A (en) 2004-10-13
CN1250153C (en) 2006-04-12
AR036686A1 (en) 2004-09-29
ATE352249T1 (en) 2007-02-15

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