EP1699340A1 - Lave-vaisselle ayant un mode a pompe intermediaire - Google Patents

Lave-vaisselle ayant un mode a pompe intermediaire

Info

Publication number
EP1699340A1
EP1699340A1 EP04804765A EP04804765A EP1699340A1 EP 1699340 A1 EP1699340 A1 EP 1699340A1 EP 04804765 A EP04804765 A EP 04804765A EP 04804765 A EP04804765 A EP 04804765A EP 1699340 A1 EP1699340 A1 EP 1699340A1
Authority
EP
European Patent Office
Prior art keywords
dishwasher
rinsing
during
partial program
program step
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
EP04804765A
Other languages
German (de)
English (en)
Other versions
EP1699340B1 (fr
EP1699340B2 (fr
Inventor
Rüdiger EIERMANN
Helmut Jerg
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34683393&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1699340(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL04804765T priority Critical patent/PL1699340T5/pl
Publication of EP1699340A1 publication Critical patent/EP1699340A1/fr
Publication of EP1699340B1 publication Critical patent/EP1699340B1/fr
Application granted granted Critical
Publication of EP1699340B2 publication Critical patent/EP1699340B2/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • A47L15/0002—Washing processes, i.e. machine working principles characterised by phases or operational steps
    • 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
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4225—Arrangements or adaption of recirculation or discharge pumps
    • 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
    • A47L2601/00—Washing methods characterised by the use of a particular treatment
    • A47L2601/02—Pressurised cleaning liquid delivered by a pump

Definitions

  • the invention relates to a method for operating a dishwasher with at least one rinsing container, a circulating pump for conveying rinsing liquid to at least one spraying device for loading items to be cleaned stored in the rinsing container, a rinsing pump for pumping rinsing liquid out of the dishwasher and with a flushing program composed at least of the partial program steps of pre-cleaning, cleaning, rinsing and drying.
  • the invention is further directed to a dishwasher in which a method with intermediate pumping operation is provided for use.
  • Dishwashers usually have at least one washing container and arranged therein spraying devices, wherein the spraying devices are fed with the funded by a circulating pump rinsing liquid to pressurize the rinsing container stored in the washing with rinsing liquid.
  • a program control unit which can be assembled, for example, from the partial program steps pre-cleaning, cleaning, rinsing and drying.
  • the items to be cleaned can also include heavily soiled pots, pans or cooking utensils made of stainless steel, enamel, jenaglas or iron, the surfaces of which are often covered with burned food residues.
  • the burnt-in food residues usually consist of partially burnt starch, fat, protein or fiber residues or residues of food cooked in the pots and pans.
  • Another frequently occurring type of soiling are limescale edges or limestone layers adhering to the surfaces of the items to be washed.
  • the known methods for operating dishwashers have the disadvantage that heavy soiling of the type mentioned above is not or only insufficiently removed from the items to be washed.
  • the present invention is therefore based on the object to provide a method by which it is possible to operate a dishwasher so that even heavy dirt, for example in pots, pans and cooking utensils are removed from the dishes.
  • a further object of the present invention is to design the rinse program sequence of a dishwasher in such a way that even at high levels of rinse residues at the end of the rinse cycle. Program the removed food particles are removed from the dishwasher.
  • a method for operating a dishwasher with at least one rinsing container, a circulation pump for conveying rinsing liquid to at least one spraying device for loading stored in the washing, to be cleaned items, a drain pump for pumping rinsing liquid from the dishwasher and with a at least from the partial program steps pre-cleaning, cleaning, rinsing and drying composable rinse program, wherein during a partial program step, at least temporarily, the drain pump is activated.
  • the inventive method makes it possible, in particular during the cleaning phases of the washing program to remove the resulting rinsing residues early from the rinsing liquid and transported away from the dishwasher.
  • the rinsing liquor is thereby relieved of rinsing residues, in particular in heavily soiled items, which improves the cleaning performance of the dishwasher.
  • the method according to the invention causes the removed food particles to be removed from the dishwasher even in the case of heavy soiling of the items to be washed at the end of the washing program.
  • a further advantage of the present invention is that the energy required for the operation of the dishwashing machine is reduced due to the avoidance of perturbation-related impairments in the circulation of the rinsing liquid and the reduction of the total running time of the rinsing program.
  • the rinsing liquid is mixed with cleaning agent or rinse aid right at the beginning of a partial program step.
  • the food residue surface to be removed is already wetted with an alkaline solution at the beginning of the rinsing operation, before a surface resistant to cleaning agents can be formed on the food residues by absorption of clear water.
  • the rinsing liquid in particular after the intermediate pumping operation of the rinsing pump, is temporarily or continuously added cleaning agent or rinse aid during a partial program step.
  • the temporary or continuous addition of cleaning agent or rinse aid ensures that, even after the performance of an intermediate pumping operation in which the rinsing liquid is partly conveyed out of the dishwasher via the rinsing pump, a sufficient concentration of cleaning or rinsing fluid is achieved for the further course of the respective subprogram step Rinse aid is present in the rinse liquid.
  • a similar effect can be achieved if the cleaning agent and / or the rinse aid of the rinsing liquid is preferably added in the form of a slowly dissolving tablet or a so-called tab, so that the cleaning agent or rinse aid continuously added to the rinsing liquid during a partial program step becomes.
  • the slow and continuous supply of cleaning agent or rinse aid ensures that after the Abpumpvor réellen the intermediate pumping in the further course of the rinse, the concentration of cleaning or rinse aid in the rinse is rebuilt.
  • fresh water is supplied to the rinsing fluid circuit at least temporarily by opening a filling valve during a partial program step.
  • the opening of the filling valve for the supply of fresh water can be carried out at least temporarily even during operation of the circulation pump. This can be prevented, for example, that the Spülillonkeitsmenge is too low in the course of the relevant part program step, especially after a Swisspump Lust the drain pump.
  • a particularly good rinsing result can be achieved if, after each subprogram step with rinsing liquid feed, a substantially complete rinsing liquid change is carried out. This can be accomplished, for example, by discharging the rinsing liquid essentially completely from the dishwasher via the suds pump at the end of a subprogram step and supplying fresh water at the beginning of a subsequent subprogram step with a rinsing liquid insert.
  • a comminution Device for crushing Spül Wegwarnotcitedn activated at least temporarily.
  • the dishwasher is preferably equipped with at least two spray devices that can be charged simultaneously or alternately with rinsing fluid from the circulation pump.
  • the dishwasher has a comminution device for comminuting flushing residues, which can be activated at least temporarily during a part program step.
  • Figure 1 is a diagram showing the operation of the circulation pump and the Eisenpump Sas the drain pump in a method for operating a dishwasher according to a preferred embodiment of the present invention.
  • FIG. 2 shows a schematic representation of part of the method shown in FIG. 1 for operating a dishwasher according to a preferred embodiment of the present invention.
  • FIG. 1 shows a diagram illustrating the operation of the circulation pump and the Bacpump Sas the drain pump in a method for operating a dishwasher according to the present invention according to a first preferred embodiment.
  • the time t is plotted on the X-axis and the temperature of the rinsing liquid in ° C. on the Y-axis.
  • the diagram of Figure 1 further includes a curve U, which represents the time course of the activity of the circulation pump in the course of the washing program according to the invention in a preferred embodiment. This curve U can also be found in the implementation of the intermediate pumping operation Z.
  • the washing program comprises this embodiment three sub-program steps, such as pre-cleaning, cleaning and rinsing / drying, the individual sub-program steps may be divided into several subsections.
  • the pre-cleaning subprogram step is subdivided into three subsections V, V, V and the subprogram step rinsing / drying into two subsections K and K, wherein the subprogram step cleaning comprises only one section R.
  • the first subsection V of the preprogramming partial program step begins with the introduction of fresh water into the dishwasher, wherein the fresh water is immediately mixed with cleaning agent to produce a rinsing eye.
  • the rinsing liquid is first heated in the course of the first subsection V to a temperature of about 50 ° C and heated in the further course of the rinse program to a temperature of up to 70 ° C.
  • the circulation pump is in operation during the entire subsection V in order to supply the spray devices in the washing container of the dishwasher with pressurized rinsing liquid.
  • the remaining subsections V, V, R, K, K 2 3 1 1 2 have a very similar to the first subsection V course and differ ⁇ only in their duration.
  • one or more intermediate pumping operations can be carried out by the method according to the invention.
  • the intermediate pumping operation may take place at any time in the subsection of the subprogram step and during the operation U of the circulating pump.
  • the suds pump is activated at least temporarily in order to convey the rinsing residues accumulated in the sump at the bottom of the rinsing container during the rinsing operation, and thus to achieve the effects described above.
  • FIG. 2 is a schematic representation of a subsection V, V, V, R, K 1 2 3 1 1 or K of the method for operating a dishwashing machine shown in FIG. 1 according to a preferred embodiment of the present invention.
  • a subsection V, V, V, R, K or K of a subprogram step is subdivided into the three 1 2 3 1 1 2 modes, Sucking mode, Intermediate pumping mode and Empty pumping mode.
  • the floating mode the rinsing residues removed from the items to be washed are collected in the sump at the bottom of the rinsing container.
  • the intermediate pumping mode the rinsing residues are removed from the sump by temporarily activating the suds pump from the dishwasher and emptied. pumping mode, the rinsing liquid is substantially completely pumped out of the dishwasher.
  • the operation of the circulating pump, the drain pump, the spraying devices and the comminuting device are respectively indicated by a crossbar in the respective row of a matrix consisting of the vertical bars for subdividing the subsections mode of flow, intermediate pump mode and empty pump mode and the horizontal lines of FIG Representation of the operation of each of the circulating pump, the drain pump of the separate Sprühvor- directions and the crushing device is formed.
  • a bar in the line of the circulation pump characterizes the operation of the circulation pump and the length of the bar corresponds analogously to the duration of the operation of the circulation pump and thus the circulation operation during the respective subsections of the flow mode, intermediate pumping mode and empty pumping mode.
  • a bar in the line of the drain pump indicates the operation of the drain pump and the length of the bar corresponds to the duration of the operation of the circulation pump and thus the Abpump ists during the subsections concerned intermediate pumping mode and empty pumping mode.
  • a bar in the line of the separate spray devices identifies the operation of the spray devices and the length of the beam corresponds to the duration of operation of the separate spray devices and thus the flushing of the wash ware during the respective intermediate pump mode subsection.
  • a bar in the line of the comminution device characterizes the operation of the comminution device and the length of the bar corresponds to the duration of the operation of the comminution device and thus the comminution of flushing residues during the respective subsections intermediate pumping mode and empty pumping mode.
  • FIG. 2 also shows that the circulation pump is essentially continuously in operation during the subsections floating mode, intermediate pumping mode and empty pumping mode.
  • the circulation pump and the drain pump are at least temporarily activated simultaneously.
  • flushing residues together with a part of the flushing liquid are conveyed out of the dishwasher via the drain pump, which brings about the advantages described above.
  • the separate spray devices are separated from each other and operated alternately to assist in collecting the flushing residues in the sump at the bottom of the wash tub.
  • the comminution device is activated at least temporarily during operation of the suds pump in order to comminute the flushing residues accumulated in the sump at the bottom of the sump and thus be better able to be conveyed out of the dishwasher.
  • the drain pump is in operation in order to convey the washing liquid completely out of the dishwasher at the end of the respective partial program step or lower section. The essentially complete replacement of the rinsing liquor between the partial program steps or between the subsections of the partial program steps improves the cleaning performance of the dishwasher.

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Washing And Drying Of Tableware (AREA)

Abstract

L'invention vise à élaborer un procédé permettant le fonctionnement économique d'un lave-linge de telle manière que même les fortes salissures puissent être enlevées des articles à laver. A cet effet, le procédé destiné au fonctionnement d'un lave-linge selon l'invention comporte l'activation au moins temporaire de la pompe à lessive lors d'une étape de programme partiel. Cela offre l'avantage que les résidus de rinçage se précipitant lors du mode rinçage sont évacués du lave-linge, ce qui améliore le rendement de nettoyage du lave-linge et réduit la durée totale du programme de rinçage, entraînant ainsi une économie de l'énergie nécessaire au fonctionnement du lave-linge.
EP04804765.8A 2003-12-16 2004-12-10 Lave-vaisselle ayant un mode a pompe intermediaire Expired - Lifetime EP1699340B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04804765T PL1699340T5 (pl) 2003-12-16 2004-12-10 Zmywarka do naczyń z pracą pośredniego pompowania

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10358970A DE10358970A1 (de) 2003-12-16 2003-12-16 Geschirrspülmaschine mit Zwischenpumpbetrieb
PCT/EP2004/053396 WO2005058122A1 (fr) 2003-12-16 2004-12-10 Lave-vaisselle ayant un mode a pompe intermediaire

Publications (3)

Publication Number Publication Date
EP1699340A1 true EP1699340A1 (fr) 2006-09-13
EP1699340B1 EP1699340B1 (fr) 2014-02-26
EP1699340B2 EP1699340B2 (fr) 2020-06-17

Family

ID=34683393

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04804765.8A Expired - Lifetime EP1699340B2 (fr) 2003-12-16 2004-12-10 Lave-vaisselle ayant un mode a pompe intermediaire

Country Status (5)

Country Link
EP (1) EP1699340B2 (fr)
DE (1) DE10358970A1 (fr)
ES (1) ES2451493T5 (fr)
PL (1) PL1699340T5 (fr)
WO (1) WO2005058122A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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DE102007052333B4 (de) * 2007-10-31 2009-07-30 Miele & Cie. Kg Verfahren zur Durchführung eines Spülprogramms

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Also Published As

Publication number Publication date
ES2451493T3 (es) 2014-03-27
EP1699340B1 (fr) 2014-02-26
WO2005058122A1 (fr) 2005-06-30
PL1699340T5 (pl) 2020-08-10
PL1699340T3 (pl) 2014-07-31
ES2451493T5 (es) 2021-01-18
EP1699340B2 (fr) 2020-06-17
DE10358970A1 (de) 2005-07-21

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