EP1844692B1 - Procédé pour supprimer l'eau chargée en sels pour lave-vaisselles - Google Patents

Procédé pour supprimer l'eau chargée en sels pour lave-vaisselles Download PDF

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Publication number
EP1844692B1
EP1844692B1 EP06112543A EP06112543A EP1844692B1 EP 1844692 B1 EP1844692 B1 EP 1844692B1 EP 06112543 A EP06112543 A EP 06112543A EP 06112543 A EP06112543 A EP 06112543A EP 1844692 B1 EP1844692 B1 EP 1844692B1
Authority
EP
European Patent Office
Prior art keywords
water
salt
dishwasher
sump
softener
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.)
Not-in-force
Application number
EP06112543A
Other languages
German (de)
English (en)
Other versions
EP1844692A1 (fr
Inventor
Mehmet c/o Vestel Beyaz Esya Sanayi ve Ticaret A.S. Eldem
Erkan c/o Vestel Beyaz Esya Sanayi ve Ticaret A.S. Eeroglu
Erdal c/o Vestel Beyaz Esya Sanayi ve Ticaret A.S. Haspolat
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.)
Vestel Beyaz Esya Sanayi ve Ticaret AS
Original Assignee
Vestel Beyaz Esya Sanayi ve Ticaret 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 Vestel Beyaz Esya Sanayi ve Ticaret AS filed Critical Vestel Beyaz Esya Sanayi ve Ticaret AS
Priority to DE602006014090T priority Critical patent/DE602006014090D1/de
Priority to AT06112543T priority patent/ATE466517T1/de
Priority to EP06112543A priority patent/EP1844692B1/fr
Publication of EP1844692A1 publication Critical patent/EP1844692A1/fr
Application granted granted Critical
Publication of EP1844692B1 publication Critical patent/EP1844692B1/fr
Not-in-force legal-status Critical Current
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
    • A47L15/4229—Water softening arrangements

Definitions

  • This invention relates to automatically discharge of salty water flooded during process for salt addition into water softener located in the dishwashers.
  • the dishwashers warn users after it is detected that the salt is consumed in the water softener located in the dishwasher.
  • salty water floods because of the pressure in the water softener.
  • water keeps flooding until the salt addition of the user finishes and some amount of salty water accumulates inside the machine.
  • the machine is operated after salt addition process, some evident stains on the washed dishes remain.
  • said user should operate the dishwasher on pre-wash program while it is empty after each salt addition process.
  • washing performance of the machine decreases and stains on dishes are formed.
  • the pre-wash program is achieved by delivering water to water jets, it could not be used when the machine is loaded, so machine must be certainly empty.
  • a washing machine with a salt container is enclosed.
  • sensors in the lid of the salt container which can detect when the container is opened or closed in order to be filled with salt.
  • the sensor generates an optical / acoustic warning or one flushing cycle.
  • pre-wash program is used to make resin to implement reverse washing without expanding the washing time.
  • Resin is renewed by implementing reverse washing on this program that is used to clean the remained water residue on renewed resin.
  • Salt cleaning program of the invention could be used to clean the salty water flooded during the salt addition in dishwashers even if the machine is loaded.
  • the machine starts to operate according to a program specified during the manufacture and firstly salty water is discharged and then it continues to normal washing program to provide washing of dishes. Therefore, dishes are washed as stain free without the need for a user to choose an option and by eliminating the possibility for the user to forget to choose the pre-wash program.
  • the object of this invention is to discharge water flooded from the water softener located in the dishwasher during salt addition process and the pressure change of water softener without the need for a user to make any operation and to wash inside of the sump.
  • Another object of the invention is to accomplish salty water discharge even if the machine is loaded.
  • dishwasher starts cleaning program and implements pre-wash program even if it is loaded by intake of water into the sump and then to draining pump instead of spray arms.
  • Salt cleaning program of the invention is illustrated in appended graphics and figures, in which:
  • an exemplary dishwasher (1) shown in Figure 1 as a rear perspective view as it is known, it comprises a water inlet tap (8); a water inlet valve (6) which controls incoming of water into the dishwasher (1) from water inlet tap (8); an air breaker (7) where the intake water coming into the dishwasher (1) is firstly directed and air bubbles contained therein are separated; a water softener (2) in the machine having salt-water mixture in one section and ion exchanger (9) in other section; an ion exchanger connection hose (10) which provides delivering of water exits from air breaker (7) where the air bubbles are separated to ion exchanger (9); an electrovalve (12) which is located between the section in which the salt-water mixture is contained and the section belonging to ion exchanger (9) and operates at time intervals predetermined by the manufacturer according to the water hardness; a hose (11) providing a connection between air breaker (7) and the section in which the salt-water mixture is contained; a sump (3) where the water flooded from the water softener (2)
  • control panel (not shown in figure) comprising of displays and/or indicators, electronic cards for the purpose of controlling and programming in dishwashers (1).
  • air bubbles in the water taken inside to the dishwasher (1) are separated in the air breaker (7) and from here water is directed to the ion exchanger (9) in the water softener (2) by means of the ion exchanger connection hose (10).
  • inhibition of ion exchange between exchanger (9) and the water upon accumulation of these bubbles around the exchanger (9) is prevented by separation of air bubbles in the water, before it reaches to water softener (2).
  • extra pressure that they may lead in the water softener (2) is also prevented.
  • the salt used to clean the exchanger (9) in the dishwashers (1) is put in the water softener (2) located in the dishwasher (1) shown in figure 1 .
  • the salt in the water softener (2) is over, absence of salt is detected by the dishwasher (1) and the user is warned to add salt by signals such as a turned on indicator light located on the control panel of the dishwasher (1) or relevant warning seen on the display.
  • the user opens the cover of the water softener (2) to add salt, some amount of salty water floods into the sump (3) due to pressure inside the water softener (2). Flooding of water continues during the salt addition process and some amount of water accumulates in the sump (3).
  • cover of the water softener (2) is closed by the user.
  • a signal goes to the electronic card on the control panel and stays at the memory of the card to make the dishwasher (1) to operate salt cleaning program of the invention after it is firstly operated by the user following the salt addition process no matter which washing program is chosen by the user, primarily to discharge of salty water accumulated in the sump (3), then to continue to the washing program chosen by the user to obtain stain-free washing of dishes.
  • Salt cleaning program is operated only once before normal washing program by first operation of the machine by means of the signal remained at the memory of the card and then this signal is deleted from the card memory. Afterwards, machine (1) operates in normal washing program until next salt addition to the machine (1).
  • washing motor located inside the dishwasher (1) is not operated and therefore water passes firstly through the air breaker (7) and then through the ion exchanger (9) in the water softener (2) and accumulates in the sump (3) without being delivered to the spray arms located inside the dishwashers.
  • graphic 1 a graphic of water amount in the machine (1) - time showing changes in accumulated water in the sump (3) of the dishwasher (1) and water amount during discharge over the time is given.
  • a signal sent to the electronic card is saved in the card memory and dishwasher (1) sets the salt cleaning program before any program chosen by the user and electronic card starts this program by operating the drain pump (4).
  • water (A) accumulated in the sump (3) of the machine (1) is completely discharged from the machine (1).
  • water inside the sump (3) is completely discharged.
  • water starts to fill the sump (3) by passing firstly through the air breaker (7) and then the exchanger (9) in the water softener (2) after electronic card opens the inlet valve (6).
  • Water (B) is taken inside the machine (1) in just enough amounts to remove salty water residues in the sump (3). Amount of water is determined according the size of the sump (3). Since the washing motor is not operated during the water intake process, water is not sent to the spray arms but it is conditioned by passing through the air breaker (7) and then exchanger (9) in the water softener (2) and the sump (3) is filled with that water, therefore it is not important whether the machine (1) is empty or loaded.
  • the water taken inside is discharged by operating the drain pump (4) from a while and discharged water is expelled by delivering to the waste water discharge channel (5).
  • water inside the machine (1) is again discharged completely. Therefore, salty water accumulated in the machine (1) is cleaned by taking water inside the machine (1) and discharging it. Water is taken inside dishwasher (1) and then discharged one or more times. Therefore, the cleaning program of the invention is automatically operated without the need for the user to make any operation, unwanted salty water accumulated in the sump (3) is discharged and washing the dishes is continued according to the program chosen by the user.

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Detergent Compositions (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Claims (1)

  1. Procédé de nettoyage de sel utilisé dans un lave-vaisselle (1) comprenant une soupape d'entrée d'eau (6) qui contrôle l'entrée d'eau dans le lave-vaisselle (1) depuis un robinet d'entrée d'eau (8) ; un disjoncteur à air (7) où l'eau en entrée est tout d'abord dirigée et les bulles d'air contenues à l'intérieur sont séparées ; un adoucisseur d'eau (2) dans le lave-vaisselle (1) ayant un mélange sel-eau dans une section et un échangeur d'ions (9) dans une autre section, et où l'eau venant du disjoncteur à air (7) est dirigée ; un conduit de connexion de l'échangeur d'ions (10) qui permet la distribution d'eau sortant du disjoncteur à air (7) à l'échangeur d'ions (9) ; une électrovanne (12) qui est située entre la section contenant le mélange sel-eau et la section appartenant à l'échangeur d'ions (9), et qui fonctionne à des intervalles de temps prédéterminés par le fabricant, selon la dureté de l'eau ; un tuyau (11) fournissant une connexion entre le disjoncteur à air (7) et la section dans laquelle le mélange sel-eau est contenu ; un puisard (3) où l'eau submergée provenant de l'adoucisseur d'eau (2) est accumulée du fait de la pression formée dans l'adoucisseur d'eau (2) quand le couvercle de l'adoucisseur d'eau (2) est ouvert, pour ajouter du sel pendant l'addition de sel par l'utilisateur ; une pompe de vidange (4) utilisée pour décharger l'eau accumulée dans le puisard (3), à travers un canal de décharge d'eau usée (5), afin de fournir une décharge d'eau salée, sans qu'il soit nécessaire pour l'utilisateur d'effectuer une quelconque opération, pour laver l'intérieur du puisard et après le processus d'addition de sel pour empêcher les plats de rester sales ; comprenant les étapes consistant à :
    - envoyer un signal à une carte électronique après la détection d'addition de sel dans l'adoucisseur d'eau (2)
    - sauvegarder le signal dans la carte mémoire
    - paramétrer un programme de nettoyage de sel avant tout programme de lavage choisi par l'utilisateur ; le procédé étant caractérisé en ce qu'il comprend les étapes suivantes :
    i. la carte électronique commence le programme de nettoyage de sel en actionnant la pompe de vidange (4) ;
    ii. dès que le programme de nettoyage de sel commence, l'eau (A) accumulée dans le puisard (3) du lave-vaisselle (1) est totalement déchargée dudit lave-vaisselle (1) ;
    iii. l'eau prélevée dans le lave-vaisselle (1) commence à remplir le puisard (3) dans une quantité (B) suffisante pour enlever les résidus d'eau salés, sans qu'ils soient envoyés aux bras de pulvérisation puisqu'aucun moteur de lavage n'est actionné, en les faisant passer tout d'abord à travers le disjoncteur à air (7) puis à travers l'échangeur (9) dans l'adoucisseur d'eau (2) après l'ouverture par la carte électronique de la soupape d'entrée d'eau (6) ;
    iv. l'eau (A) ayant rempli le puisard (3) est déchargée après un moment, en faisant fonctionner la pompe de vidange (4) et est expulsée par distribution dans le canal de décharge de l'eau usée (5), et à nouveau l'eau à l'intérieur du lave-vaisselle (1) est totalement déchargée ;
    v. le lave-vaisselle (1) est mis en route sur des programmes de lavage normaux jusqu'à la prochaine addition de sel au lave-vaisselle, en effaçant le signal mémorisé dans la mémoire au premier stade de la carte mémoire.
EP06112543A 2006-04-12 2006-04-12 Procédé pour supprimer l'eau chargée en sels pour lave-vaisselles Not-in-force EP1844692B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE602006014090T DE602006014090D1 (de) 2006-04-12 2006-04-12 Salzwasserentfernungsverfahren für Geschirrspüler
AT06112543T ATE466517T1 (de) 2006-04-12 2006-04-12 Salzwasserentfernungsverfahren für geschirrspüler
EP06112543A EP1844692B1 (fr) 2006-04-12 2006-04-12 Procédé pour supprimer l'eau chargée en sels pour lave-vaisselles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06112543A EP1844692B1 (fr) 2006-04-12 2006-04-12 Procédé pour supprimer l'eau chargée en sels pour lave-vaisselles

Publications (2)

Publication Number Publication Date
EP1844692A1 EP1844692A1 (fr) 2007-10-17
EP1844692B1 true EP1844692B1 (fr) 2010-05-05

Family

ID=36950551

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06112543A Not-in-force EP1844692B1 (fr) 2006-04-12 2006-04-12 Procédé pour supprimer l'eau chargée en sels pour lave-vaisselles

Country Status (3)

Country Link
EP (1) EP1844692B1 (fr)
AT (1) ATE466517T1 (fr)
DE (1) DE602006014090D1 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1189491B (it) * 1986-05-08 1988-02-04 Candy Elettrodomestici Dispositivo per lo svolgimento dei programmi particolarmente per macchine lavatrici
DE3921422A1 (de) 1989-06-29 1991-01-10 Bosch Siemens Hausgeraete Verfahren zum betrieb einer programmgesteuerten geschirrspuelmaschine
DE4423866C2 (de) 1994-07-07 1996-06-05 Aeg Hausgeraete Gmbh Geschirrspülmaschine mit einem Salzbehälter
DE19645274A1 (de) * 1996-11-02 1998-05-07 Miele & Cie Verfahren zum Regenerieren des Ionenaustauschers einer Enthärtungseinrichtung einer programmgesteuerten Geschirrspülmaschine, sowie Geschirrspülmaschine zur Durchführung des Verfahrens
IT1294124B1 (it) * 1997-04-23 1999-03-22 Electrolux Zanussi Elettrodome Macchina lavatrice automatica con sistema di rigenerazione di mezzi addolcitori d'acqua

Also Published As

Publication number Publication date
DE602006014090D1 (de) 2010-06-17
EP1844692A1 (fr) 2007-10-17
ATE466517T1 (de) 2010-05-15

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