EP1940280A2 - Geschirrspülmaschine - Google Patents

Geschirrspülmaschine

Info

Publication number
EP1940280A2
EP1940280A2 EP06809599A EP06809599A EP1940280A2 EP 1940280 A2 EP1940280 A2 EP 1940280A2 EP 06809599 A EP06809599 A EP 06809599A EP 06809599 A EP06809599 A EP 06809599A EP 1940280 A2 EP1940280 A2 EP 1940280A2
Authority
EP
European Patent Office
Prior art keywords
water
ion exchanger
washing
regeneration
salt
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
EP06809599A
Other languages
English (en)
French (fr)
Other versions
EP1940280B1 (de
Inventor
Borga Erbil
Sefa Hazir
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 AS filed Critical Arcelik AS
Priority to PL06809599T priority Critical patent/PL1940280T3/pl
Publication of EP1940280A2 publication Critical patent/EP1940280A2/de
Application granted granted Critical
Publication of EP1940280B1 publication Critical patent/EP1940280B1/de
Anticipated expiration legal-status Critical
Active 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
    • A47L15/4229—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)
EP06809599A 2005-10-24 2006-10-16 Geschirrspülmaschine Active EP1940280B1 (de)

Priority Applications (1)

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

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR200504246 2005-10-24
PCT/IB2006/053785 WO2007049177A2 (en) 2005-10-24 2006-10-16 A dishwasher

Publications (2)

Publication Number Publication Date
EP1940280A2 true EP1940280A2 (de) 2008-07-09
EP1940280B1 EP1940280B1 (de) 2012-08-08

Family

ID=37818800

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06809599A Active EP1940280B1 (de) 2005-10-24 2006-10-16 Geschirrspülmaschine

Country Status (3)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2537820C2 (ru) 2010-03-18 2015-01-10 Электролюкс Хоум Продактс Корпорейшн Н.В. Способ заполнения водой моечного бака посудомоечной машины
PL2366322T3 (pl) * 2010-03-18 2016-06-30 Electrolux Home Products Corp Nv Sposób regeneracji żywicy do zmiękczania wody w zmywarce do naczyń
US9839945B2 (en) 2014-05-02 2017-12-12 Electrolux Home Products, Inc. Methods, systems, and apparatuses for performing a quick cycle in a dishwasher
CN110269554B (zh) * 2018-03-15 2022-03-29 青岛海尔洗碗机有限公司 一种分区洗碗机的控制方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3316685C2 (de) * 1983-05-06 1985-11-07 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Haushalt-Geschirrspülmaschine
DE4303628C2 (de) * 1993-02-09 2002-01-10 Miele & Cie Verfahren zum Regenerieren des Enthärters einer programmgesteuerten Geschirrspülmaschine
IT1294124B1 (it) * 1997-04-23 1999-03-22 Electrolux Zanussi Elettrodome Macchina lavatrice automatica con sistema di rigenerazione di mezzi addolcitori d'acqua

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007049177A2 *

Also Published As

Publication number Publication date
PL1940280T3 (pl) 2013-01-31
WO2007049177A2 (en) 2007-05-03
WO2007049177A3 (en) 2007-08-16
EP1940280B1 (de) 2012-08-08

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