EP0190795A2 - Detergent dispenser for dish-washing machines - Google Patents

Detergent dispenser for dish-washing machines Download PDF

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Publication number
EP0190795A2
EP0190795A2 EP86200128A EP86200128A EP0190795A2 EP 0190795 A2 EP0190795 A2 EP 0190795A2 EP 86200128 A EP86200128 A EP 86200128A EP 86200128 A EP86200128 A EP 86200128A EP 0190795 A2 EP0190795 A2 EP 0190795A2
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EP
European Patent Office
Prior art keywords
chamber
flap
outlet opening
loading door
cleaning agent
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
EP86200128A
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German (de)
French (fr)
Other versions
EP0190795B1 (en
EP0190795A3 (en
Inventor
Josef Buser
Christa Maurer
Norbert Steltmann
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.)
Bauknecht Hausgeraete GmbH
Whirlpool Europe BV
Original Assignee
BAUKNECHT HAUSGERATE GmbH
Bauknecht Hausgeraete GmbH
Whirlpool Europe BV
Philips Gloeilampenfabrieken NV
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
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Application filed by BAUKNECHT HAUSGERATE GmbH, Bauknecht Hausgeraete GmbH, Whirlpool Europe BV, Philips Gloeilampenfabrieken NV filed Critical BAUKNECHT HAUSGERATE GmbH
Publication of EP0190795A2 publication Critical patent/EP0190795A2/en
Publication of EP0190795A3 publication Critical patent/EP0190795A3/en
Application granted granted Critical
Publication of EP0190795B1 publication Critical patent/EP0190795B1/en
Anticipated expiration legal-status Critical
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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
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • A47L15/4409—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants by tipping containers or opening their lids, e.g. with the help of a programmer

Definitions

  • the invention relates to a device for supplying detergents to dishwashers using a metering chamber which is preferably arranged on the inside of a hinged loading door and which can be locked by a flap with a controllable trigger mechanism.
  • Dishwashers generally use a soaking process to clean dishes, i.e. the actual cleaning agent is fed from a dosing chamber to the washing container at the beginning of the heating process by triggering an actuating flap or the like after the completion of a pre-rinsing cycle, which usually takes place without cleaning agent.
  • the ion exchanger is backwashed, that is to say the very hard water present after the regeneration is removed from the dishwasher.
  • the invention is based on the object of specifying a device of the type described at the outset which, in a user-friendly manner, allows additional detergent to be metered in for a pre-rinse cycle. According to the invention, this is achieved in that the metering chamber is constructed in two parts and in that the one chamber is provided with an outlet opening which is effective in the operating position when the flap is closed.
  • the outlet opening is advantageous to arrange the outlet opening approximately parallel to the closure level of the chamber, because in the operating position of the loading door, the cleaning agent trickles along the loading door to the bottom of the washing container and thus little cleaning agent gets into the actual sump. It is particularly advantageous to incorporate the outlet opening into parts of the flap, because this means that the device itself accommodates all the necessary elements for a two-eye process, so that changes e.g. can be dispensed with on the inner wall of the container door.
  • the flap is expediently designed so that it seals the inside of the second chamber so that the mostly powdered cleaning agent for the main wash cycle is not wetted during a pre-wash cycle.
  • Dosing chambers are usually attached to the inside of the loading door of dishwashers.
  • the dosing chamber consists of a lower part 1, into which chambers 2 and 3 are molded.
  • a hinged cover 5 is connected to the lower part 1 via hinge brackets 4 and is held in the open position by a spring (not shown).
  • the lid 5 carries on its inside a sealing frame 6, which coincides with the edge of the chamber 2 and seals it in the closed state.
  • a recess 7 is also incorporated, through which a bolt 8 engages with parts of the lid 5 so that the lid is held against the force of the spring, not shown, in the closed position shown in FIG. 2.
  • the bolt 8 can be triggered by suitable control elements, such as pull magnets or bimetallic strips, so that the spring brings the cover 5 into an open position.
  • an opening 9 is also incorporated, which is assigned to the chamber 3 and through which the detergent filled into the chamber 3 can run out when the metering chamber is brought into the operating position with the loading door, the lid 5 being approximately vertical and so that it comes to lie parallel to the inner surface of the loading door.
  • the dosing chamber with the two chambers 2 and 3 is otherwise designed so that a much smaller amount of detergent can be entered into the chamber 3 for the pre-rinse cycle. It is advantageous to make the chamber 3 smaller by more than 30% than the chamber 2. It is expedient to design the chambers 2 and 3 so that the total amount of cleaning agent usually used is applied to the chambers 2 and 3 in a ratio of 2 : 1 is divided by the size of the chambers.

Abstract

In the detergent dispenser, two metering chambers are arranged below a closure flap, of which chambers one is provided with an outlet aperture which is effective in the closed position of the loading door. <IMAGE>

Description

Die Erfindung bezieht sich auf eine Vorrichtung zum Zuführen von Reinigungsmitteln bei Geschirrspülern unter Verwendung einer vorzugsweise an der Innenseite einer klappbaren Beschickungstüre angeordneten Dosierkammer, die durch eine Klappe mit steuerbarem Auslösemechanismus abschließbar ist.The invention relates to a device for supplying detergents to dishwashers using a metering chamber which is preferably arranged on the inside of a hinged loading door and which can be locked by a flap with a controllable trigger mechanism.

Bei Geschirrspülmaschinen wird zum Reinigen des Geschirrs im allgemeinen ein Einlaugenverfahren verwendet, d.h. das eigentliche Reinigungsmittel wird aus einer Dosierkammer durch Auslösen einer Betätigungsklappe oder dergl. nach Abschluß eines Vorspülganges, der meist ohne Reinigungsmittel erfolgt, zu Beginn des Aufheizvorganges dem Spülbehälter zugeführt. Vor dem Zuführen von Frischwasser für den Vorspülgang erfolgt eine Rückspülung des Ionenaustauschers, also das Entfernen des nach dem Regenerieren vorliegenden sehr harten Wassers aus dem Spüler.Dishwashers generally use a soaking process to clean dishes, i.e. the actual cleaning agent is fed from a dosing chamber to the washing container at the beginning of the heating process by triggering an actuating flap or the like after the completion of a pre-rinsing cycle, which usually takes place without cleaning agent. Before the fresh water is supplied for the pre-rinse cycle, the ion exchanger is backwashed, that is to say the very hard water present after the regeneration is removed from the dishwasher.

Da ein Vorspülgang mit Zugabe von Spülmitteln sicher mehr Wirkung hat als ein solcher ohne Spülmittel, wurde bereits vorgeschlagen, der Maschine vor diesem Vorspülgang ein Reinigungsmittel beizugeben. In vielen Fällen geschieht dies dadurch, daß man ein Reinigungsmittel am Boden des Spülbehälters deponiert. Dies ist nicht sehr bedienungsfreundlich. Man hat deshalb auch schon vorgeschlagen, zusätzlich zum verschließbaren Dosierbehälter für das Reinigungsmittel eine Mulde oder dergl. vorzusehen, in die Reinigungsmittel für einen Vorspülgang eingegeben wird, das durch das Schließen der Beschickungstüre des Spülers in den Spülbehälter gekippt wird. Diese Art der Zugabe hat den Nachteil, daß unter Umständen ein beträchtlicher Anteil des Spülmittels beim Rückspülen des Enthärters mit ausgewaschen und abgepumpt wird.Since a pre-wash cycle with the addition of detergents certainly has more effect than one without detergent, it has already been proposed to add a detergent to the machine before this pre-wash cycle. In many cases, this is done by depositing a cleaning agent on the bottom of the washing compartment. This is not very easy to use. It has therefore already been proposed to provide a trough or the like in addition to the closable dosing container for the cleaning agent, into which cleaning agent is input for a pre-rinse cycle, which is tilted into the washing container by closing the loading door of the dishwasher. That kind of encore has the disadvantage that, under certain circumstances, a considerable proportion of the detergent is washed out and pumped out when the softener is backwashed.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs beschriebenen Art anzugeben, die es bedienungsfreundlich erlaubt, für einen Vorspülgang zusätzlich dosiert Reinigungsmittel zuzugeben. Gemäß der Erfindung wird dies dadurch erreicht, daß die Dosierkammer zweiteilig ausgebildet ist und daß die eine Kammer mit einer in der Betriebsstellung bei geschlossener Klappe wirksamen Auslauföffnung versehen ist.The invention is based on the object of specifying a device of the type described at the outset which, in a user-friendly manner, allows additional detergent to be metered in for a pre-rinse cycle. According to the invention, this is achieved in that the metering chamber is constructed in two parts and in that the one chamber is provided with an outlet opening which is effective in the operating position when the flap is closed.

Hierdurch wird erreicht, daß einerseits das Vorspülmittel richtig dosiert ist und andererseits weitgehend gewährleistet ist, daß das Reinigungsmittel seinem eigentlichen Zweck ohne größere Verluste zugeführt wird. Vorteilhaft ist es, die Auslauföffnung etwa parallel zur Verschlußebene der Kammer anzuordnen, weil dadurch in der Betriebsstellung der Beschickungstüre das Reinigungsmittel entlang der Beschickungstüre zum Boden des Spülbehälters rieselt und damit wenig Reinigungsmittel in den eigentlichen Sumpf gelangt. Besonders vorteilhaft ist es, die Auslauföffnung in Teile der Klappe einzuarbeiten, weil damit die Vorrichtung selbst alle notwendigen Elemente für ein Zweilaugenverfahren aufnimmt, so daß auf Veränderungen z.B. an der Innenwandung der Behältertüre verzichtet werden kann. Die Verschlußklappe ist zweckmäßig so gestaltet, daß sie die zweite Kammer mit ihrer Innenseite dicht abschließt, so daß während eines Vorspülganges das meist pulverförmige Reinigungsmittel für den Hauptspülgang nicht benetzt wird.This ensures that, on the one hand, the pre-rinse agent is dosed correctly and, on the other hand, it is largely ensured that the detergent is used for its actual purpose without major losses. It is advantageous to arrange the outlet opening approximately parallel to the closure level of the chamber, because in the operating position of the loading door, the cleaning agent trickles along the loading door to the bottom of the washing container and thus little cleaning agent gets into the actual sump. It is particularly advantageous to incorporate the outlet opening into parts of the flap, because this means that the device itself accommodates all the necessary elements for a two-eye process, so that changes e.g. can be dispensed with on the inner wall of the container door. The flap is expediently designed so that it seals the inside of the second chamber so that the mostly powdered cleaning agent for the main wash cycle is not wetted during a pre-wash cycle.

Anhand der Zeichnung sei ein Ausführungsbeispiel der Erfindung beschrieben.

  • Die Fig. 1 zeigt im geöffneten und
  • die Fig. 2 im geschlossenen Zustand eine Dosierkammer für Reinigungsmittel.
An embodiment of the invention will be described with reference to the drawing.
  • Fig. 1 shows in the open and
  • 2 shows a dosing chamber for cleaning agents in the closed state.

Dosierkammern sind meist in der Tiefe der Beschickungstüre von Spülern an deren Innenseite befestigt. Die Dosierkammer besteht aus einem Unterteil 1, in das Kammern 2 und 3 eingeformt sind. Mit dem Unterteil 1 ist über Scharnierböcke 4 ein Klappdeckel 5 verbunden, der durch eine nicht gezeichnete Feder in der Offenstellung gehalten wird. Der Deckel 5 trägt an seiner Innenseite einen Dichtrahmen 6, der mit dem Rand der Kammer 2 übereinstimmt und im geschlossenen Zustand diese abdichtet. In den Deckel 5 ist ferner eine Ausnehmung 7 eingearbeitet, durch die hindurch ein Riegel 8 mit Teilen des Deckels 5 so in Eingriff kommt, daß der Deckel entgegen der Kraft der nicht gezeichneten Feder in der aus Fig. 2 ersichtlichen Verschlußstellung gehalten wird. Der Riegel 8 kann durch geeignete Steuerelemente, wie Zugmagnete oder Bimetallstreifen, ausgelöst werden, so daß die Feder den Deckel 5 in eine Offenstellung bringt. In den Deckel 5 ist ferner eine Öffnung 9 eingearbeitet, die der Kammer 3 zugeordnet ist und durch die das in die Kammer 3 eingefüllte Reinigungsmittel dann auslaufen kann, wenn die Dosierkammer mit der Beschickungstüre in die Betriebslage gebracht wird, wobei der Deckel 5 etwa senkrecht und damit parallel zur Innenfläche der Beschickungstüre zu liegen kommt.Dosing chambers are usually attached to the inside of the loading door of dishwashers. The dosing chamber consists of a lower part 1, into which chambers 2 and 3 are molded. A hinged cover 5 is connected to the lower part 1 via hinge brackets 4 and is held in the open position by a spring (not shown). The lid 5 carries on its inside a sealing frame 6, which coincides with the edge of the chamber 2 and seals it in the closed state. In the lid 5, a recess 7 is also incorporated, through which a bolt 8 engages with parts of the lid 5 so that the lid is held against the force of the spring, not shown, in the closed position shown in FIG. 2. The bolt 8 can be triggered by suitable control elements, such as pull magnets or bimetallic strips, so that the spring brings the cover 5 into an open position. In the lid 5, an opening 9 is also incorporated, which is assigned to the chamber 3 and through which the detergent filled into the chamber 3 can run out when the metering chamber is brought into the operating position with the loading door, the lid 5 being approximately vertical and so that it comes to lie parallel to the inner surface of the loading door.

Die Dosierkammer mit den beiden Kammern 2 und 3 ist im übrigen so gestaltet, daß in die Kammer 3 für den Vorspülgang eine wesentlich kleinere Menge an Reinigungsmittel eingegeben werden kann. Vorteilhaft ist es, die Kammer 3 um mehr als 30 % kleiner zu gestalten als die Kammer 2. Es ist zweckmäßig, die Kammern 2 und 3 so zu gestalten, daß die üblicherweise eingesetzte Gesamtmenge an Reinigungsmittel auf die Kammern 2 und 3 im Verhältnis von 2:1 durch die Größe der Kammern aufgeteilt wird.The dosing chamber with the two chambers 2 and 3 is otherwise designed so that a much smaller amount of detergent can be entered into the chamber 3 for the pre-rinse cycle. It is advantageous to make the chamber 3 smaller by more than 30% than the chamber 2. It is expedient to design the chambers 2 and 3 so that the total amount of cleaning agent usually used is applied to the chambers 2 and 3 in a ratio of 2 : 1 is divided by the size of the chambers.

Claims (6)

1. Vorrichtung zum Zuführen von Reinigungsmitteln bei Geschirrspülern unter Verwendung einer vorzugsweise an der Innenseite einer klappbaren Beschickungstüre angeordneten Dosierkammer, die durch eine Klappe mit steuerbarem Auslösemechanismus abschließbar ist,
dadurch gekennzeichnet, daß die Dosierkammer zweiteilig ausgebildet ist und daß die eine Kammer mit einer in der Betriebsstellung bei geschlossener Klappe wirksamen Auslauföffnung versehen ist.1. Device for supplying detergents to dishwashers using a metering chamber which is preferably arranged on the inside of a hinged loading door and which can be locked by a flap with a controllable trigger mechanism.
characterized in that the metering chamber is constructed in two parts and that the one chamber is provided with an outlet opening which is effective in the operating position when the flap is closed. 2. Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß die Auslauföffnung etwa annähernd parallel zur Verschlußebene der Kammer gerichtet ist.2. Device according to claim 1,
characterized in that the outlet opening is directed approximately parallel to the closure plane of the chamber. 3. Vorrichtung nach Anspruch 1 und 2,
dadurch gekennzeichnet, daß die Auslauföffnung in Teile der Klappe eingearbeitet ist.3. Device according to claim 1 and 2,
characterized in that the outlet opening is incorporated in parts of the flap. 4. Vorrichtung nach Anspruch 1 bis 3,
dadurch gekennzeichnet, daß die Innenseite der Verschlußklappe mit einem die zweite Kammer abschließenden Dichtelement versehen ist.4. The device according to claim 1 to 3,
characterized in that the inside of the closure flap is provided with a sealing element closing off the second chamber. 5. Vorrichtung nach Anspruch 1 bis 4,
dadurch gekennzeichnet, daß die Auslauföffnung derart gestaltet und gerichtet ist, daß das Reinigungsmittel in einem Strahl etwa parallel zur Innenfläche der Beschikkungstüre ausläuft.5. The device according to claim 1 to 4,
characterized in that the outlet opening is designed and directed in such a way that the cleaning agent runs out in a jet approximately parallel to the inner surface of the loading door. 6. Vorrichtung nach Anspruch 1 bis 5,
dadurch gekennzeichnet, daß das Volumen der mit einer Auslauföffnung versehenen Kammer kleiner, vorzugsweise um mehr als 30 % kleiner, gehalten ist als die durch die Klappe dicht geschlossene Kammer.6. The device according to claim 1 to 5,
characterized in that the volume of the chamber provided with an outlet opening is kept smaller, preferably by more than 30% smaller, than the chamber sealed by the flap.
EP86200128A 1985-02-01 1986-01-30 Detergent dispenser for dish-washing machines Expired - Lifetime EP0190795B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3503336 1985-02-01
DE19853503336 DE3503336A1 (en) 1985-02-01 1985-02-01 DEVICE FOR DELIVERING DETERGENTS IN DISHWASHER

Publications (3)

Publication Number Publication Date
EP0190795A2 true EP0190795A2 (en) 1986-08-13
EP0190795A3 EP0190795A3 (en) 1987-01-21
EP0190795B1 EP0190795B1 (en) 1992-12-16

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ID=6261343

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86200128A Expired - Lifetime EP0190795B1 (en) 1985-02-01 1986-01-30 Detergent dispenser for dish-washing machines

Country Status (3)

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EP (1) EP0190795B1 (en)
DE (2) DE3503336A1 (en)
ES (1) ES8702129A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0332152A1 (en) * 1988-03-09 1989-09-13 Bauknecht Hausgeräte GmbH Detergent dispenser for dishwashing machines
WO2006067033A1 (en) * 2004-12-22 2006-06-29 BSH Bosch und Siemens Hausgeräte GmbH Dishwasher
US7207341B2 (en) 2003-08-22 2007-04-24 Maytag Corporation Dishwasher with shielded dispenser
US8657964B2 (en) 2005-12-09 2014-02-25 Miele & Cie. Kg Method of metering active substances in a dishwasher

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3623027A1 (en) * 1986-07-09 1988-01-28 Miele & Cie Feeding device in dishwashers for a cleaning agent, in particular pulverulent cleaning agent
US7083071B1 (en) 2000-06-08 2006-08-01 Beverage Works, Inc. Drink supply canister for beverage dispensing apparatus
US7754025B1 (en) 2000-06-08 2010-07-13 Beverage Works, Inc. Dishwasher having a door supply housing which holds dish washing supply for multiple wash cycles
DE102014220284B4 (en) * 2014-10-07 2023-08-17 BSH Hausgeräte GmbH Dishwasher with at least one swing-open door
CN111493775A (en) * 2020-04-03 2020-08-07 佛山市顺德区美的洗涤电器制造有限公司 Control method of home appliance, and computer-readable storage medium

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1210150B (en) * 1962-09-11 1966-02-03 Braun Ag Device for the allocation of detergents and rinsing agents in automatic washing machines such as dish washing machines
US3805562A (en) * 1973-01-08 1974-04-23 Gen Electric Treating agent dispenser
DE7933519U1 (en) * 1979-11-28 1980-03-06 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Dispensing device for detergents or detergents in dishwashers or washing machines

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6804176U (en) * 1968-10-21 1969-07-03 Bosch Hausgeraete Gmbh DISHWASHER
DE2508730A1 (en) * 1975-02-28 1976-09-09 Miele & Cie WASHING OR DISHWASHING MACHINE WITH A DISPENSING DEVICE FOR POWDERED DETERGENT OR DISHWASHER

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1210150B (en) * 1962-09-11 1966-02-03 Braun Ag Device for the allocation of detergents and rinsing agents in automatic washing machines such as dish washing machines
US3805562A (en) * 1973-01-08 1974-04-23 Gen Electric Treating agent dispenser
DE7933519U1 (en) * 1979-11-28 1980-03-06 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Dispensing device for detergents or detergents in dishwashers or washing machines

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0332152A1 (en) * 1988-03-09 1989-09-13 Bauknecht Hausgeräte GmbH Detergent dispenser for dishwashing machines
US7207341B2 (en) 2003-08-22 2007-04-24 Maytag Corporation Dishwasher with shielded dispenser
WO2006067033A1 (en) * 2004-12-22 2006-06-29 BSH Bosch und Siemens Hausgeräte GmbH Dishwasher
US8657964B2 (en) 2005-12-09 2014-02-25 Miele & Cie. Kg Method of metering active substances in a dishwasher

Also Published As

Publication number Publication date
DE3503336A1 (en) 1986-08-07
ES551359A0 (en) 1986-12-16
DE3687282D1 (en) 1993-01-28
EP0190795B1 (en) 1992-12-16
ES8702129A1 (en) 1986-12-16
EP0190795A3 (en) 1987-01-21

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