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WO2006050766A1 - Procede pour faire fonctionner un lave-vaisselle et lave-vaisselle pour executer ce procede - Google Patents

Procede pour faire fonctionner un lave-vaisselle et lave-vaisselle pour executer ce procede Download PDF

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Publication number
WO2006050766A1
WO2006050766A1 PCT/EP2005/009542 EP2005009542W WO2006050766A1 WO 2006050766 A1 WO2006050766 A1 WO 2006050766A1 EP 2005009542 W EP2005009542 W EP 2005009542W WO 2006050766 A1 WO2006050766 A1 WO 2006050766A1
Authority
WO
WIPO (PCT)
Prior art keywords
rinsing
rinse
phase
rinsing liquid
liquid
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.)
Ceased
Application number
PCT/EP2005/009542
Other languages
German (de)
English (en)
Inventor
Friedrich Mack
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.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp 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
Application filed by Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Publication of WO2006050766A1 publication Critical patent/WO2006050766A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • A47L15/42—Details
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4219—Water recirculation
    • A47L15/4221—Arrangements for redirection of washing water, e.g. water diverters to selectively supply the spray arms
    • 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
    • A47L15/0005—Rinsing phases, e.g. pre-rinsing, intermediate rinsing, final rinsing
    • 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
    • A47L15/0018—Controlling processes, i.e. processes to control the operation of the machine characterised by the purpose or target of the control
    • A47L15/0021—Regulation of operational steps within the washing processes, e.g. optimisation or improvement of operational steps depending from the detergent nature or from the condition of the crockery
    • A47L15/0026—Rinsing phases
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/48—Drying arrangements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/12—Water temperature
    • 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
    • A47L2401/00—Automatic detection in controlling methods of washing or rinsing machines for crockery or tableware, e.g. information provided by sensors entered into controlling devices
    • A47L2401/20—Time, e.g. elapsed operating time
    • 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
    • A47L2501/00—Output in controlling method of washing or rinsing machines for crockery or tableware, i.e. quantities or components controlled, or actions performed by the controlling device executing the controlling method
    • A47L2501/05—Drain or recirculation pump, e.g. regulation of the pump rotational speed or flow direction
    • 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 improving the drying of dishes which is cleaned in a rinsing container of a dishwasher by means of rinsing liquid, the rinsing program section drying the rinsing liquid following the last rinsing liquid-carrying rinse program section, preferably rinsing the rinse program section , wherein at least in one of the rinsing liquid-carrying Spülprogrammarab- sections, such as pre-rinsing, cleaning, intermediate rinsing, rinsing Klar ⁇ len, the rinsing liquid is heated by supplying heat, and by the circulating in the rinsing Spülillon ⁇ speed by means of spray elements, such as spray arm, ceiling shower, primary the items to be washed and the wall surfaces and the bottom of the washing container are wetted.
  • spray elements such as spray arm, ceiling shower
  • EP 0 943 281 A2 discloses a dishwasher with a water supply device for a spray arm mounted above the lower dish rack in a dishwashing machine in which a valve with a Umsehalt issued provided in the form of a spherical closure element in the vicinity of the circulation pump is. By ver ⁇ different positions of the closure element is determined whether the water is conveyed to a lower or to above the Ge ⁇ crockery mounted spray arm.
  • US Pat. No. 5,421,975 describes a dishwashing machine in which a valve is arranged above a spray arm on a water-carrying tube projecting vertically upwards, which valve is arranged in accordance with FIG. Water pressure in the tube is vertically movable. This valve, water can be about 'a wide area of the washing hen versprü-.
  • the drying is improved on account of a low or ei ⁇ ner low temperature of the washing container, at least in relation to the temperature of the dishes, at a high temperature of the dishes at the same time.
  • the rinsing container is heated as little as possible during rinsing, so that due to the temperature difference of the dishes heated during rinsing, its moisture condenses on the inner walls and the ceiling of the rinsing container. It is understood that this can also be additionally cooled in order to support the condensation.
  • the process of the invention is applicable to all types and device types, even with those having no fan. According to the invention, the circulation of the rinsing liquid in the last rinsing program section is reduced as much as possible, so that the heat is indeed dissipated by the heating element or the flow-through heating device, but is distributed as little as possible via the rinsing container and its interior.
  • the rinsing liquid circuit in the short circuit without contact and / or with the least possible - Chen contact with the dishes and / or to the rinsing and in a second phase of the last heatable rinsing liquid rinse program section before drying preferably in a second rinse in the Spülprogramtnabites rinse, the Spülillonkeits- at least compared to the preceding phases of SpülmaschinesSTden program sections in terms of circulated Spül crampkeitsmenge reduced.
  • the speed of the circulation pump is at 1500 revolutions per minute or less reduced '.
  • the centrifugal force of the water which is reduced by the high centrifugal force of the water compared to a high rotational speed of the pump, is less or less sprayed onto the inner walls of the washing container.
  • the circulation of the rinsing liquid is throttled by valves.
  • a further advantageous embodiment of the method provides that the circulation of the rinsing liquid is deflected by the valves or by water diverters such that the surfaces of the washing container are not wetted.
  • the rinse liquid is fed to the sump in a circuit between the circulation pump, a switchable heat source, preferably a flow heater, and a supply line.
  • a method is advantageous in which the rinsing liquid is returned directly to the sump during the first final rinse phase or during the heating phase within the final rinse phase by the circulating pump without contact to the spray arms and the dishes.
  • the contact of the rinsed rinse liquid to the walls of the rinse container by a almost exclusive or exclusive dishwashing with rinsing liquid from above or dishwashing in the alternating-arm mode of at least one first and second spray arm takes place in such a way that at least the ceiling of the washing container is not sprayed.
  • the rinse aid is metered once or several times and / or the entire defined amount of rinse aid is added at the latest at the beginning of the second rinse phase.
  • the rinse aid is metered in at low temperature, in particular at a temperature in the range between 40 ° and 50 ° C., and if the circulation of the rinsing liquid is at least temporarily produced or intensified in order to evenly distribute the rinse aid - len. Furthermore, it is advantageously provided that, at the end of the rinsing, the circulation over the dishes is re-established or intensified for a short time in order to heat the dishes uniformly.
  • the method is advantageously carried out in such a way that the rotational speed of the circulating pump is reduced in a defined manner relative to the preceding rinsing program sections, at least in one phase of the rinsing program section which is carried out before drying with heated rinsing liquid.
  • the reduction of the rotational speed of the circulating pump depends at least on the defined maximum temperature of the heated rinsing liquid during at least one heated rinsing program section carrying rinsing liquid or as a function of the combination of the maximum temperature and the circulating time the heated rinsing liquid is determined.
  • Another measure for generating the largest possible temperature difference between the dishes to be dried and the washing is that during rinsing after the supply of fresh water and before heating the circulation of the washing liquid is restored or intensified through the washing to the Spülbenzol ⁇ ter through the still cold fresh water to cool again.
  • the adjustment of at least one passage cross-section of the spray elements also serves for this purpose.
  • the water pressure for example in a valve in the Zu ⁇ flow line, can be controlled as the rinsing liquid emerges from the spray elements.
  • the outlet angle of the rinsing liquid from at least one spray element set variable. becomes. In this way, the outlet angle can be flexibly adjusted by changing the water pressure, even during a rinse cycle.
  • the invention also relates to a dishwashing machine for carrying out one of the methods described in more detail above.
  • the dishwashing machine according to the invention is characterized in that it comprises means for controlling the flow of the rinsing liquid and / or means for controlling the wetting of the rinsing container.
  • the rinsing liquid comprises.
  • Fig. 1 is an interior view of a washing container together with lines for supplying rinsing liquid and
  • Fig. 2 is a representation of the Tempeetzurverlaufs over the
  • a dishwasher comprises a rinsing container 1 (FIG. 1) with an upper and a lower crockery basket 2, 3. Below the upper and lower crockery basket 2, 3 there is a spray arm 4 and 5, respectively, driven by the water pressure of the supplied rinsing liquid becomes.
  • Rinsing liquid 7 is pumped out of the base area or sump of the rinsing container 1 through a circulation pump 6 through a line 8, in which a heater 9 is integrated, to a water separator 10. From there, the rinsing liquid is pumped either via a line II to the lower spray arm 5 and / or via a line 12 to the upper spray arm 4 ge. Alternatively and / or additionally, the rinsing liquid is pumped completely or partially back into the sump of the rinsing container 1 via a short-circuit or return line 13. The position of a ball 100 contained in the water switch 10 determines in which of the lines 11, 12 or 13 the liquid flows.
  • the rinsing liquid is sprayed out through nozzles on the upper side of the lower spray arm 5 as well as on the upper and / or lower side of the upper spray arm 4 in order to clean the dishes taken up by the dish racks 2, 3.
  • the pressure ie the number of revolutions of the circulation pump 6, determines the extent to which the rinsing liquid wets only the dishes in the dishwashing baskets 2, 3 or even the side walls 14 and / or a cover 15 of the rinsing container 1 be wet.
  • a ceiling shower can be provided below the ceiling. Also their nozzles can be adjusted by the water pressure so that only the dishes and not the ceiling 15, and / or the side walls 14 are wetted.
  • the temperature of the rinsing liquid, the dishes and the rinsing container 1 takes during the rinsing the course shown in Figure 2;
  • the temperature T of the rinsing liquid is represented by a bold line, the temperature T of the dishes by a dashed line, and the temperature T of the rinsing container 1 by a thin line, in each case as a function of the time t.
  • six temporally successive cleaning phases 1 to 6 are shown.
  • the dishes are cleaned in a rinse cycle preceding the final rinse, the wetting of the walls 14 of the rinse container 1 being the same. Temperature as the dishes and the rinse liquid an ⁇ takes.
  • a phase 2 cold fresh water is added to the rinsing liquid. Since the fresh water in the sump of the rinsing container 1 tapers, the temperature of the rinsing liquid decreases overall, while the temperature of the rinsing container 1 and of the dishes initially remains constant at the temperature of the phase 1.
  • a rinse aid mixed with the rinsing liquid can also be distributed uniformly over the dishes, the circulation preferably being intensified for a short time at a temperature which is, for example, in the range between 40 and 50 ° C. This results in a complete temperature equalization between the walls, the rinsing liquid and the dishes, with the walls and the dishes cooling down.
  • phase 4 the dishes are heated with the heating 9 gradually with a certain delay, and the dishes are heated by appropriate selection of the speed, circulating pump and / or pressure the rinse liquid is circulated, and / or reaches the position of nozzles in the spray arms 2, 3 set by this pressure, that the walls 14 of the rinse container 1, since they are not or hardly wetted, only insignificantly or marginally warm up. ,
  • phase 5 at the end of the rinsing process, the circulation of the final-rinse liquid over the dishes is intensified in order to achieve a uniform heating of the dishes. In this case, a wetting of the side walls 14 of the washing container 1 is largely avoided, so that in the course of phase 5, the temperature difference between the dishes and the side walls 14 gradually increases. Phase 5 continues until the dishes have assumed the temperature of the final rinse liquid and the maximum temperature difference between the dishes and the So ⁇ walls 14 is reached. After the heated rinse liquid has been pumped off, the dishes are cleaned and dried in a phase 6. Here, there is a considerable part of its heat as condensation heat moisture from the side walls 14 from where it condenses.

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

Abstract

L'invention concerne un procédé servant à améliorer le séchage de la vaisselle qui est nettoyée au moyen d'un liquide de lavage dans une cuve d'un lave-vaisselle. Selon ce procédé, l'étape du programme de lavage visant au séchage du liquide de lavage suit directement la dernière étape du programme de lavage amenant du liquide de lavage et, de préférence, l'étape de rinçage final du programme de lavage, le liquide de lavage est chauffé par apport de chaleur au moins lors de l'une des étapes du programme de lavage amenant du liquide de lavage, le prélavage, le lavage, le rinçage et le rinçage final par exemple, et en premier lieu les articles à laver ainsi que les surfaces de paroi et le fond de la cuve sont mouillés par le liquide de lavage circulant dans la cuve au moyen d'éléments de pulvérisation, comme le bras d'aspersion et l'arroseur supérieur. Le procédé selon l'invention est caractérisé en ce que les surfaces de la cuve orientées vers la chambre de lavage ne sont au moins temporairement pas aspergées ou ne sont principalement pas aspergées au moins pendant la dernière étape du programme amenant du liquide de lavage (phases 4 et 5) lors de laquelle le liquide de lavage est chauffé et, notamment, pendant le rinçage final avant l'étape de séchage du programme de lavage.
PCT/EP2005/009542 2004-11-10 2005-09-06 Procede pour faire fonctionner un lave-vaisselle et lave-vaisselle pour executer ce procede Ceased WO2006050766A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004054313.5 2004-11-10
DE200410054313 DE102004054313A1 (de) 2004-11-10 2004-11-10 Verfahren zum Betreiben einer Geschirrspülmaschine und Geschirrspülmaschine zur Durchführung des Verfahrens

Publications (1)

Publication Number Publication Date
WO2006050766A1 true WO2006050766A1 (fr) 2006-05-18

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Application Number Title Priority Date Filing Date
PCT/EP2005/009542 Ceased WO2006050766A1 (fr) 2004-11-10 2005-09-06 Procede pour faire fonctionner un lave-vaisselle et lave-vaisselle pour executer ce procede

Country Status (2)

Country Link
DE (1) DE102004054313A1 (fr)
WO (1) WO2006050766A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1738677A3 (fr) * 2006-06-23 2007-03-21 V-Zug AG Lave-vaisselle avec générateur de vapeur et procédé pour son opération
DE202007018760U1 (de) 2007-10-09 2009-04-23 Krope, Franz Auskleidung für Durchflussarmaturen und für Armaturen von Durchflussmessgeräten

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2491843B1 (fr) * 2011-02-22 2013-06-19 Miele & Cie. KG Procédé d'exécution d'un programme de rinçage comprenant au moins les sections de programme de nettoyage, rinçage et rinçage final
FR2974996B1 (fr) * 2011-05-09 2015-05-01 Fagorbrandt Sas Procede de nettoyage de pieces de vaisselle dans une machine a laver la vaisselle.
DE102011051241B4 (de) * 2011-06-22 2013-01-31 Miele & Cie. Kg Verfahren zum Reinigen und Desinfizieren von Spülgut in einem Reinigungs- undDesinfektionsgerät
TR202010339A2 (tr) * 2020-06-30 2022-01-21 Arçeli̇k Anoni̇m Şi̇rketi̇ Isitici i̇çeren bi̇r bulaşik maki̇nesi̇

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2282840A1 (fr) * 1974-08-29 1976-03-26 Bosch Siemens Hausgeraete Procede de lavage de vaisselle, dans une machine a laver la vaisselle
FR2589057A1 (fr) * 1985-10-25 1987-04-30 Licentia Gmbh Machine a laver la vaisselle.
EP0269917A2 (fr) * 1986-12-02 1988-06-08 Bosch-Siemens HausgerÀ¤te GmbH Procédé de fonctionnement d'une machine à laver la vaisselle
DE19540871A1 (de) * 1995-11-02 1997-05-07 Bosch Siemens Hausgeraete Verfahren zum Betrieb einer programmgesteuerten Geschirrspülmaschine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04279139A (ja) * 1991-03-05 1992-10-05 Toshiba Corp 食器洗浄機
DE69933161T2 (de) * 1998-02-23 2007-09-20 White Consolidated Industries, Inc., Cleveland Versorgungsvorrichtung für einen in mittlerer Höhe eingebauten Sprüharm
DE19857413A1 (de) * 1998-12-12 2000-06-21 Whirlpool Co Verfahren zum Reinigen von Geschirr in einer Geschirrspülmaschine
DE10120894B4 (de) * 2001-04-27 2007-03-01 Miele & Cie. Kg Verfahren zum Spülen von Spülgut
DE10222215A1 (de) * 2002-05-16 2003-12-04 Electrolux Home Prod Corp Verfahren zum Betreiben einer Geschirrspülmaschine
DE102004004104A1 (de) * 2003-12-23 2005-07-28 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine mit alternierendem Pumpenbetrieb

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2282840A1 (fr) * 1974-08-29 1976-03-26 Bosch Siemens Hausgeraete Procede de lavage de vaisselle, dans une machine a laver la vaisselle
FR2589057A1 (fr) * 1985-10-25 1987-04-30 Licentia Gmbh Machine a laver la vaisselle.
EP0269917A2 (fr) * 1986-12-02 1988-06-08 Bosch-Siemens HausgerÀ¤te GmbH Procédé de fonctionnement d'une machine à laver la vaisselle
DE19540871A1 (de) * 1995-11-02 1997-05-07 Bosch Siemens Hausgeraete Verfahren zum Betrieb einer programmgesteuerten Geschirrspülmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1738677A3 (fr) * 2006-06-23 2007-03-21 V-Zug AG Lave-vaisselle avec générateur de vapeur et procédé pour son opération
DE202007018760U1 (de) 2007-10-09 2009-04-23 Krope, Franz Auskleidung für Durchflussarmaturen und für Armaturen von Durchflussmessgeräten

Also Published As

Publication number Publication date
DE102004054313A1 (de) 2006-05-11

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