EP1128759B1 - Geschirrspülmaschine mit unabhängig gesprizten geschirrkörben - Google Patents

Geschirrspülmaschine mit unabhängig gesprizten geschirrkörben Download PDF

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Publication number
EP1128759B1
EP1128759B1 EP99958621A EP99958621A EP1128759B1 EP 1128759 B1 EP1128759 B1 EP 1128759B1 EP 99958621 A EP99958621 A EP 99958621A EP 99958621 A EP99958621 A EP 99958621A EP 1128759 B1 EP1128759 B1 EP 1128759B1
Authority
EP
European Patent Office
Prior art keywords
washing
dishwashing machine
control
mechanisms
racks
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.)
Expired - Lifetime
Application number
EP99958621A
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English (en)
French (fr)
Other versions
EP1128759A1 (de
EP1128759B8 (de
Inventor
Şemsettin; Mesa Koru Sitesi EKSERT
Kani Tibet
Korkut Avci
Gökhan ÖZGÜREL
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
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Filing date
Publication date
Application filed by Arcelik AS filed Critical Arcelik AS
Publication of EP1128759A1 publication Critical patent/EP1128759A1/de
Publication of EP1128759B1 publication Critical patent/EP1128759B1/de
Application granted granted Critical
Publication of EP1128759B8 publication Critical patent/EP1128759B8/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • A47L15/4214—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

Definitions

  • the present invention is related to a dishwashing machine with enhanced washing performance by the contribution of a mechanism of valves controlling the flows in the washing lines independently from each other, and with reduced consumption values.
  • the crockery placed in the washing racks is washed by means of the washing water sprayed from the washing mechanisms arranged above and below these racks.
  • Water passing through the pipes connected to these washing means is circulated throughout the system by means of a pump.
  • the normal programs consist of six successive steps, namely; "pre-washing, main washing, regeneration, rinsing, warm rinsing, drying".
  • the drying and regeneration steps are auxiliary steps and during the other successive washing steps in normal programs, a total amount of washing water required for each step is taken-in according to the current loading of the machine. Then by heating the water and adding the chemicals as required by these washing steps, the washing cycle is completed. During these successive steps, washing operation is realised at both washing racks.
  • a machine wherein both racks are loaded with the crockery, but only the upper washing mechanism is operated during certain steps of the program, is disclosed in the European Patent Application No.EP 0697188.
  • the lower mechanism is shut-off by means of a valve.
  • the user places the crockery in the machine as he or she desires.
  • the working pressure increases at the upper washing mechanism when the valve is closed, it can be harmful for the light crockery pieces.
  • Programming device controls the working modes of the lower washing mechanism.
  • the object of the present invention is to control the washing mechanisms of the dishwashing machine, at a desired program step independently from each other using separate valves for each one. Another object of the invention is to control each washing mechanism continuously and independently from each other according to the program sequences and washing steps.
  • Yet another object of the invention is to control the operations of the washing racks according to the program selections of the main program unit, by the evaluation of the information obtained by the sensors during the washing steps.
  • Another object of the present invention is to control the operation of the washing mechanisms directly in connection with the washing program.
  • Another object of the present invention is to allow the user to control the washing rack directly by using the option and program selection buttons.
  • Yet another object of the present invention is to provide the user with such possibilities as being able to load all washing racks as he/she desires and as required, to wash the dirtiest and massive crockery at the lower, and less dirty and smaller crockery at the upper rack.
  • Another object of the invention is to provide a better cleaning of the detergent present in the detergent dispenser system.
  • the water system of the dishwashing machines consists of a sump (1)-a pump reservoir-wherein the washing water is collected, a pump (2) which circulates it throughout the system sucking the water from the sump (1), conduits (4,10,11) through which the water is transmitted and the washing mechanisms, (7 and 9) which spray the liquid onto the loaded racks. Water sprayed from the washing mechanisms (5,7 and 9) comes back to the sump (1) by hitting the crockery in the racks (6 and 8) and the walls of the washing tub.
  • the equipment disclosed in this invention to provide the aimed properties and controls, consist of an inlet (12) connected to the delivery side of the washing pump, two outlets (13 and 14) opening to the upper and lower washing mechanisms (7 and 9), control mechanisms (15 and 16) of the said washing mechanisms (13 and 14), components (17 and 18) that in turn control the said control mechanisms (15 and 16), a third outlet (20) wherein a water directing device (19) and a controller component (25) are mounted in front of the container where both valve mechanisms are present, and the washing water is directed towards another mechanism for a different purpose, a fourth outlet (21) for the uppermost spraying component (5), which is not controlled or which can be controlled by an additional valve mechanism, and a container (3) wherein all these inlets and outlets are integrated with their control mechanisms.
  • the present invention provides a facility and flexibility of production by designing dishwashing machines of various types and technical characteristics on a single device with regard to the water system.
  • the most suitable point for the control of the water lines would be the pump outlet.
  • the flow rate that is required for each washing mechanism is controlled by means of a valve mechanism (15 and 16) situated at the pump outlet, by opening and shutting-off using an electrical or pneumatic component (17 and 18) that drives the said mechanism.
  • the said control may be in the form of controlling the section area of the water line and therefore of the required flow rate, at determined ratios.
  • outlets can also be controlled by means of various flap combinations of valve mechanisms and mechanical connections by using a smaller number of components. Or else, all outlets can be commanded by a control cap, the position of which is specified by a code and by a single electrical component that drives the said control cap.
  • the decreases in the pressure due to the parameters of the water system components and the nozzle output flow rates required for the washing process, are provided by the pump.
  • the system flow rates under normal operating conditions are made in such a manner that they will not allow pump air suction.
  • the washing mechanisms disclosed in this invention are controlled in order to detect and eliminate the above described pressure fluctuations. For this reason, one or more of the physical parameters having influence on the washing system are continuously controlled by means of sensors. When these measured values exceed the limit values, the appropriate washing mechanism is shut-off by the main control unit to bring the system close to the optimum working point and thus the washing performance is kept at the desired level.
  • This control is made to provide the decrease of the fluctuations to be held below the defined limits, in case the fluctuation occurring at the pump outlet pressure exceeds the peak values, by reducing the flow rate to the upper or lower washing rack to a certain extent and by measuring the pressure values again.
  • the washing mechanisms can also be controlled directly by the main control unit, according to the washing cycle steps without requiring the control of the washing system physical parameters.
  • a predetermined, smaller amount of water is taken in instead of a maximum amount of water.
  • each washing mechanism starts to operate in a predetermined order required for certain steps in the program.
  • the user may have the opportunity to control directly the operation of the washing mechanisms (7 and 9).
  • the user presses the intense program option button if the crockery with heavy dirt such as pots and pans will be washed.
  • the control system increases the flow rate and pressure of the lower mechanism and provides an optimum washing efficiency, by shutting off the upper mechanism continuously or at certain steps of the washing cycle.
  • the decomposition and a complete cleaning of the detergent contained in the detergent dispenser component is provided by operating only the lower washing mechanism (9), at the beginning of the program step.

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

Claims (6)

  1. Geschirrspülmaschine mit unabhängig gesteuerten Spüleinschüben, gekennzeichnet durch einen Einlass (12), der mit der Förderseite einer Spülpumpe verbunden ist, zwei Auslässen (13 und 14), die in den oberen bzw. in den unteren Spülmechanismus (7 und 9) münden, Steuermechanismen (15 und 16) für die Spülmechanismen (13 und 14), Komponenten (17 und 18), die ihrerseits die Steuermechanismen (15 und 16) steuern, einen dritten Auslass (20), wobei an der Vorderseite des Behälters, wo beide Ventilmechanismen vorhanden sind, eine Wasserleitvorrichtung (19) angebracht ist und das Spülwasser zu einem anderen Mechanismus zu einem anderen Zweck geleitet wird, einen vierten Auslass (21) für die oberste Sprühkomponente, der nicht gesteuert wird oder der durch einen zusätzlichen Ventilmechanismus gesteuert werden kann, und einen Behälter (3), in den alle diese Einlässe und Auslässe mit ihren Steuermechanismen integriert sind.
  2. Geschirrspülmaschine mit unabhängig gesteuerten Spüleinschüben nach Anspruch 1, dadurch gekennzeichnet, dass der einteilige Behälter (3) aus verschiedenen Ventilkomponenten besteht.
  3. Geschirrspülmaschine mit unabhängig gesteuerten Spüleinschüben nach den Ansprüchen 1 und 2, gekennzeichnet durch einen Verteilungsbehälter, wobei getrennte Auslässe durch eine einzige Komponente gesteuert werden.
  4. Geschirrspülmaschine mit unabhängig gesteuerten Spüleinschüben nach den Ansprüchen 1 bis 3, dadurch gekennzeichnet, dass die Stellung und die Steuerung der Ventile in dem einteiligen Behälter durch die Programmierungseinheit entsprechend den von den Sensoren erhaltenen Daten ausgeführt werden.
  5. Geschirrspülmaschine mit unabhängig gesteuerten Spüleinschüben nach den Ansprüchen 1 bis 4, dadurch gekennzeichnet, dass die Steuerung der Ventile in der Geschirrspülmaschine während der Waschprogrammschritte ausgeführt wird.
  6. Geschirrspülmaschine mit unabhängig gesteuerten Spüleinschüben nach den Ansprüchen 1 bis 4, dadurch gekennzeichnet, dass die Stellung und die Steuerung der Ventile in der Geschirrspülmaschine mittels eines direkt von dem Anwender aktivierten Befehls ausgeführt werden.
EP99958621A 1998-10-16 1999-10-15 Geschirrspülmaschine mit unabhängig gesprizten geschirrkörben Expired - Lifetime EP1128759B8 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
TR9802100 1998-10-16
TR9802100 1998-10-16
PCT/TR1999/000044 WO2000022973A1 (en) 1998-10-16 1999-10-15 Dishwashing machine with independently controlled washing racks

Publications (3)

Publication Number Publication Date
EP1128759A1 EP1128759A1 (de) 2001-09-05
EP1128759B1 true EP1128759B1 (de) 2004-07-21
EP1128759B8 EP1128759B8 (de) 2004-12-15

Family

ID=21621687

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99958621A Expired - Lifetime EP1128759B8 (de) 1998-10-16 1999-10-15 Geschirrspülmaschine mit unabhängig gesprizten geschirrkörben

Country Status (6)

Country Link
EP (1) EP1128759B8 (de)
AT (1) ATE271346T1 (de)
AU (1) AU1594900A (de)
DE (1) DE69918853T2 (de)
TR (1) TR200100447T2 (de)
WO (1) WO2000022973A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8932411B2 (en) 2010-08-06 2015-01-13 Whirlpool Corporation Method for controlling zonal washing in a dishwasher

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7445013B2 (en) 2003-06-17 2008-11-04 Whirlpool Corporation Multiple wash zone dishwasher
US7475696B2 (en) 2003-06-17 2009-01-13 Whirlpool Corporation Dishwasher having valved third-level sprayer
US7523758B2 (en) 2003-06-17 2009-04-28 Whirlpool Corporation Dishwasher having rotating zone wash sprayer
EP1813182A1 (de) * 2006-01-30 2007-08-01 Bonferraro S.p.A. Geschirrspülmaschine mit verbessertem hydraulischen Kreis
DE102006061149A1 (de) * 2006-12-22 2008-06-26 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine mit mehrkanaliger Speisung von Sprüheinrichtungen
DE102006061161A1 (de) * 2006-12-22 2008-06-26 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine
US9259138B2 (en) 2010-12-07 2016-02-16 Whirlpool Corporation Dishwasher with auxiliary spray system having removable sprayers
DE102011075020A1 (de) * 2011-04-29 2012-10-31 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine und Verfahren zum Betreiben einer Geschirrspülmaschine
US9119517B2 (en) 2011-10-17 2015-09-01 Whirlpool Corporation Dishwasher having spray manifold and method for controlling same
US10076224B2 (en) 2014-01-20 2018-09-18 Whirlpool Corporation Dishwasher
DE102014214345B3 (de) * 2014-07-23 2015-07-30 BSH Hausgeräte GmbH Haushaltgerät mit einem Umpumpsystem
EP3636972A1 (de) * 2018-10-10 2020-04-15 Whirlpool Corporation Mehrweg-umleitventil für geschirrspüler
US11147430B2 (en) 2019-03-27 2021-10-19 Midea Group Co., Ltd. Dishwasher including rack corner sprayers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0383028A3 (de) * 1989-02-14 1992-05-06 Licentia Patent-Verwaltungs-GmbH Geschirrspülmaschine mit einer elektromechanischen Umsteuervorrichtung
IT216714Z2 (it) * 1989-06-27 1991-09-19 Cabassa Di E Dall Oglio & C S Macchina lavastoviglie perfezionata.
IT1252886B (it) * 1991-12-11 1995-07-04 Procedimento di lavaggio per una macchina lavastoviglie di tipo industriale e macchina lavastoviglie relativa
IT1271243B (it) * 1994-10-05 1997-05-27 Candy Spa Dispositivo di comando per un dispositivo valvolare di controllo del flusso di liquido di lavaggio, per alimentare selettivamente le giranti irroratrici di una macchina lavastoviglie

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8932411B2 (en) 2010-08-06 2015-01-13 Whirlpool Corporation Method for controlling zonal washing in a dishwasher

Also Published As

Publication number Publication date
AU1594900A (en) 2000-05-08
WO2000022973A1 (en) 2000-04-27
DE69918853T2 (de) 2005-04-28
DE69918853D1 (de) 2004-08-26
EP1128759A1 (de) 2001-09-05
TR200100447T2 (tr) 2002-04-22
EP1128759B8 (de) 2004-12-15
ATE271346T1 (de) 2004-08-15

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