WO2007049177A2 - Lave-vaisselle - Google Patents

Lave-vaisselle Download PDF

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Publication number
WO2007049177A2
WO2007049177A2 PCT/IB2006/053785 IB2006053785W WO2007049177A2 WO 2007049177 A2 WO2007049177 A2 WO 2007049177A2 IB 2006053785 W IB2006053785 W IB 2006053785W WO 2007049177 A2 WO2007049177 A2 WO 2007049177A2
Authority
WO
WIPO (PCT)
Prior art keywords
water
ion exchanger
washing
regeneration
salt
Prior art date
Application number
PCT/IB2006/053785
Other languages
English (en)
Other versions
WO2007049177A3 (fr
Inventor
Borga Erbil
Sefa Hazir
Original Assignee
Arcelik Anonim Sirketi
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 Arcelik Anonim Sirketi filed Critical Arcelik Anonim Sirketi
Priority to PL06809599T priority Critical patent/PL1940280T3/pl
Priority to EP06809599A priority patent/EP1940280B1/fr
Publication of WO2007049177A2 publication Critical patent/WO2007049177A2/fr
Publication of WO2007049177A3 publication Critical patent/WO2007049177A3/fr

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
    • A47L15/4229—Water softening 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
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4293—Arrangements for programme selection, e.g. control panels; Indication of the selected programme, programme progress or other parameters of the programme, e.g. by using display panels
    • 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
    • A47L2301/00—Manual input in controlling methods of washing or rinsing machines for crockery or tableware, i.e. information entered by a user
    • A47L2301/04—Operation mode, e.g. delicate washing, economy washing, reduced time, sterilizing, water softener regenerating, odor eliminating or service
    • 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
    • A47L2501/32—Stopping or disabling machine operation, including disconnecting the machine from a network, e.g. from an electrical power supply

Definitions

  • the present invention relates to dishwashers wherein a program including the regeneration step is operated.
  • a washing program comprised of various steps such as pre-washing, main washing, rinsing is employed in a dishwasher.
  • the washing and/or drying performance is inversely proportional to the hardness level of the water.
  • the hardness of water results from the positive calcium or magnesium ions (Ca++ and Mg++) dissolved in it.
  • the water used in washing is first passed through an ion exchanger, for example a resin.
  • the ion exchanger receives these ions from the water and gives off sodium ions (Na+) instead. Consequently, the hardness of water is reduced.
  • the ion exchanger cannot absorb the calcium and magnesium ions anymore.
  • the ion exchanger is kept in a salt (for example NaCl) solution to extract the calcium and magnesium ions and to increase its sodium ion concentration.
  • a salt for example NaCl
  • This process is called regeneration.
  • the salty water in which the ion exchanger is kept during the regeneration process damages the metal washing tank of the dishwasher as a result of the corrosion. Therefore, the salty water is discharged out of the machine without being delivered into the tank. Furthermore, the ion exchanger is washed with some fresh water to cleanse all the remaining salt.
  • the user can cancel the washing program including the regeneration step by pushing the related button while the regeneration step is being carried out before the ion exchanger is washed. In this case, when the next washing program is operated, the risk of delivering salty water into the washing tank and thus damaging the tank arises.
  • the object of the present invention is the realization of a dishwasher wherein the metal components in contact with the salt left inside are prevented from being damaged in case the regeneration step is interrupted.
  • Figure 1 - is the schematic view of a dishwasher.
  • the dishwasher (1) provides cleaning of the dishes in accordance with a washing program including at least some of the various steps like pre- washing, main washing, rinsing, drying, regeneration.
  • the dishwasher (1) comprises:
  • the dishwasher (1) of the present invention provides the ion exchanger (6) containing a salt solution inside to be washed with water and cleansed of salt before the program is fully stopped in case a washing program including a regeneration step is cancelled by the user during the regeneration step.
  • the user can cancel the washing program preferably by pressing on a button (2).
  • This button (2) may also provide the machine to be turned on or off .
  • the dishwasher (1) comprises a regeneration valve (9) situated between the salt reservoir (5) and the ion exchanger (6), a water valve (8) tallowing to take in water onto the ion exchanger (6), a pump (7) providing to discharge the water inside and a control card (3) that enables coordinating the various functions of the machine.
  • the control card (3) while performing the regeneration step, is adapted first to open the water valve (9) to allow the water to pass through the salt reservoir (5) and as it passes to dissolve the salt, providing to fill in the ion exchanger (6) with the salt solution. Then the regeneration valve (9) is closed and the ion exchanger (6) is kept in the salty water for some time.
  • the water valve (8) is opened to wash the ion exchanger (6) with the fresh water intake from the main supply and the wash water is discharged out by the pump (7). If the user cancels the washing program during the regeneration step, while whichever process of opening the regeneration valve (9) or keeping the ion exchanger (6) in the salt solution is carried out, the control card (3) opens the water valve (8) to provide washing of the ion exchanger (6) and discharges the salty water by actuating the pump (7). If the user cancels the washing program during the last step wherein the ion exchanger (6) is washed by opening the water valve (8) the control card (3) provides the intake of sufficient amount of water and discharges the salty water by actuating the pump (7).
  • control card (3) employs the process of washing the ion exchanger (6) when the pump (7) is actuated while the water in the machine is being discharged.
  • the process of washing the ion exchanger (6) is carried out simultaneously with discharge of water after each cancellation of a program, avoiding expenditure of extra time for this process.

Landscapes

  • Washing And Drying Of Tableware (AREA)

Abstract

L'invention concerne des lave-vaisselle (1) comprenant des programmes de fonctionnement comportant une étape de régénération.
PCT/IB2006/053785 2005-10-24 2006-10-16 Lave-vaisselle WO2007049177A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL06809599T PL1940280T3 (pl) 2005-10-24 2006-10-16 Zmywarka do naczyń
EP06809599A EP1940280B1 (fr) 2005-10-24 2006-10-16 Lave-vaisselle

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2005/04246 2005-10-24
TR200504246 2005-10-24

Publications (2)

Publication Number Publication Date
WO2007049177A2 true WO2007049177A2 (fr) 2007-05-03
WO2007049177A3 WO2007049177A3 (fr) 2007-08-16

Family

ID=37818800

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/053785 WO2007049177A2 (fr) 2005-10-24 2006-10-16 Lave-vaisselle

Country Status (3)

Country Link
EP (1) EP1940280B1 (fr)
PL (1) PL1940280T3 (fr)
WO (1) WO2007049177A2 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2366322A3 (fr) * 2010-03-18 2011-10-12 Electrolux Home Products Corporation N.V. Procédé de régénération de résine d'adoucissant de l'eau dans un lave-vaisselle
US9839945B2 (en) 2014-05-02 2017-12-12 Electrolux Home Products, Inc. Methods, systems, and apparatuses for performing a quick cycle in a dishwasher
US9936852B2 (en) 2010-03-18 2018-04-10 Electrolux Home Products Corporation N.V. Method for filling a wash tub of a dishwasher with water
CN110269554A (zh) * 2018-03-15 2019-09-24 青岛海尔洗碗机有限公司 一种分区洗碗机的控制方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2139084A (en) * 1983-05-06 1984-11-07 Bosch Siemens Hausgeraete Waste heat utilisation in the operation of a dishwashing machine
DE4303628A1 (de) * 1993-02-09 1994-08-11 Miele & Cie Verfahren zum Regenerieren des Enthärters einer programmgesteuerten Geschirrspülmaschine
EP0873714A2 (fr) * 1997-04-23 1998-10-28 Electrolux Zanussi S.p.A. Machine à laver avec dispositif de régénération pour adoucisseur d'eau

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2139084A (en) * 1983-05-06 1984-11-07 Bosch Siemens Hausgeraete Waste heat utilisation in the operation of a dishwashing machine
DE4303628A1 (de) * 1993-02-09 1994-08-11 Miele & Cie Verfahren zum Regenerieren des Enthärters einer programmgesteuerten Geschirrspülmaschine
EP0873714A2 (fr) * 1997-04-23 1998-10-28 Electrolux Zanussi S.p.A. Machine à laver avec dispositif de régénération pour adoucisseur d'eau

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2366322A3 (fr) * 2010-03-18 2011-10-12 Electrolux Home Products Corporation N.V. Procédé de régénération de résine d'adoucissant de l'eau dans un lave-vaisselle
US9936852B2 (en) 2010-03-18 2018-04-10 Electrolux Home Products Corporation N.V. Method for filling a wash tub of a dishwasher with water
US9839945B2 (en) 2014-05-02 2017-12-12 Electrolux Home Products, Inc. Methods, systems, and apparatuses for performing a quick cycle in a dishwasher
CN110269554A (zh) * 2018-03-15 2019-09-24 青岛海尔洗碗机有限公司 一种分区洗碗机的控制方法

Also Published As

Publication number Publication date
EP1940280A2 (fr) 2008-07-09
WO2007049177A3 (fr) 2007-08-16
PL1940280T3 (pl) 2013-01-31
EP1940280B1 (fr) 2012-08-08

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