EP2201883A1 - Lave-vaisselle avec nébulisateur et procédé de traitement de la vaisselle - Google Patents

Lave-vaisselle avec nébulisateur et procédé de traitement de la vaisselle Download PDF

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Publication number
EP2201883A1
EP2201883A1 EP08425795A EP08425795A EP2201883A1 EP 2201883 A1 EP2201883 A1 EP 2201883A1 EP 08425795 A EP08425795 A EP 08425795A EP 08425795 A EP08425795 A EP 08425795A EP 2201883 A1 EP2201883 A1 EP 2201883A1
Authority
EP
European Patent Office
Prior art keywords
washing
dishwashing machine
nebulisation
program
washing 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.)
Granted
Application number
EP08425795A
Other languages
German (de)
English (en)
Other versions
EP2201883B1 (fr
Inventor
Silvano Fumagalli
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.)
Candy SpA
Original Assignee
Candy SpA
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 Candy SpA filed Critical Candy SpA
Priority to EP08425795.5A priority Critical patent/EP2201883B1/fr
Priority to ES08425795T priority patent/ES2743236T3/es
Publication of EP2201883A1 publication Critical patent/EP2201883A1/fr
Application granted granted Critical
Publication of EP2201883B1 publication Critical patent/EP2201883B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00Washing or rinsing machines for crockery or tableware
    • A47L15/42Details
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00Washing or rinsing machines for crockery or tableware
    • A47L15/0002Washing processes, i.e. machine working principles characterised by phases or operational steps
    • A47L15/0015Washing processes, i.e. machine working principles characterised by phases or operational steps other treatment phases, e.g. steam or sterilizing phase
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2601/00Washing methods characterised by the use of a particular treatment
    • A47L2601/02Pressurised cleaning liquid delivered by a pump

Definitions

  • the present invention relates to a dishwashing machine of the type comprising a washing container to receive dishes to be washed, a spraying device adapted to spray a non-nebulised washing liquid on the dishes arranged in the washing container, and a heating device (10) adapted to heat the washing liquid.
  • a dishwashing machine provided with washing liquid nebulisation means.
  • the present invention further relates to a dish treatment method by means of a dishwashing machine.
  • the washing liquid is usually introduced in the washing container by means of spraying devices and, after the last washing cycle, a final rinsing step is performed, in which a brightener substance can be added to the washing liquid.
  • the dishes are wetted by a spraying device through a washing liquid previously mixed with a detergent.
  • Dishwashing machines with spraying devices are known, in which the washing liquid is distributed in the washing container by means of rotating sprayer arms. Due to the usually rectangular shape of the washing container, and the circular spray zone of the rotating sprayer arms, the washing liquid does not result to be evenly distributed in all the zones of the washing container.
  • Stationary spraying devices or nozzles are further known, the invariable spray directions of which cannot however ensure an even washing of all the dishes arranged in the washing container.
  • the publication EP 0 487 474 A1 discloses, for example, a dishwashing machine in which the washing liquid containing a detergent substance is nebulised in the washing container via an ultrasound generator.
  • DE 10 2006 055 345 A1 proposes to combine the ultrasound nebuliser known from EP 0 487 474 A1 with a blower to forcedly convey the nebulised washing liquid in the washing container.
  • a blower to forcedly convey the nebulised washing liquid in the washing container.
  • an electric blower involves high manufacturing costs, a reduction of the space available to contain the dishes to be washed, as well as an additional and undesired energy consumption.
  • object of the present invention is to improve both the dishwashing machines and the known washing methods for the dishes, so as to improve the washing efficacy thereof and to reduce the water and electric power consumption thereof.
  • a dishwashing machine which comprises at least one washing container to receive dishes to be washed, a spraying device adapted to spray a washing liquid in the washing container to wet the dishes, a nebuliser device adapted to nebulise at least part of the washing liquid and to convey such nebulised washing liquid in the washing container, a washing liquid heating device and electronic control means so configured as to allow the selection of a dish treatment program amongst a plurality of treatment programs, wherein the plurality of treatment programs comprises at least one washing program with at least one washing step with heating of the washing liquid and introduction of the heated washing liquid in the washing container, characterized in that said treatment programs comprise at least one stand-by program with one or more nebulisation steps with introduction of nebulised washing liquid in the washing container, wherein during all the stand-by program, said heating device is deactivated.
  • the dishes awaiting to be washed are treated with a washing liquid cold aerosol, and in this manner are prepared and kept ready for a successive actual washing with hot washing liquid.
  • This allows always awaiting for the completed filling of the dishwashing machine, independently from the type of soils and incrustation, before carrying out the washing program and subjecting the dishes awaiting to be washed to an optionally repeated pre-treatment by means of washing liquid aerosol so as to improve the washing program efficacy and to reduce the duration, the electric energy and water consumptions thereof.
  • the nebuliser device comprises a piezoelectric aerosol generator capable of nebulising the washing liquid, during such stand-by program, with very low energy consumptions.
  • Fig. 1 is a schematic front view of a dishwashing machine according to an embodiment of the invention
  • Fig. 1 is a schematic front view of a dishwashing machine in according to a second embodiment of the invention.
  • a dishwashing machine is generally indicated with the reference numeral
  • the dishwashing machine 1 further comprises control means, for example, an electronic control unit 12, so configured as to allow the selection of a dish treatment program amongst a plurality of treatment programs.
  • control means for example, an electronic control unit 12, so configured as to allow the selection of a dish treatment program amongst a plurality of treatment programs.
  • the plurality of treatment programs comprises at least one washing program with at least one washing step in which the heating device 10 is actuated so as to heat the washing liquid, and in which the spraying device 4 is actuated so as to insert the heated washing liquid in the washing container 2, or in other words, so as to spray the heated washing liquid onto the dishes 3 arranged in the washing container 2.
  • the treatment programs also comprise at least one stand-by program with one or more nebulisation steps, in which the nebuliser device 9 is actuated so as to introduce nebulised washing liquid in the washing container 2 (applying it on the dishes 3), and in which during the entire stand-by program, the heating device 10 remains deactivated.
  • control means 12 are configured so as to perform the nebulisation steps of the stand-by program in a time-independent manner from the carrying out of the washing steps of the washing programs.
  • control means 12 are configured so as to deactivate also the spraying device 14 during the carrying out of the stand-by program.
  • the dishes awaiting to be washed are treated with a washing liquid cold aerosol, and in this manner are prepared and kept ready for a successive actual washing with hot washing liquid.
  • This allows always awaiting for the complete filling of the dishwashing machine, independently from the soils and incrustation type, before carrying out the washing program and subjecting the dishes awaiting to washing to an optionally repeated pre-treatment through washing liquid aerosol, so as to improve the washing program efficacy and to reduce the duration, the electric energy and water consumptions thereof.
  • control means are configured so that, during the nebulisation steps of the stand-by program, the nebuliser device 9 is automatically deactivated when the port is opened, and the nebuliser device 9 is automatically reactivated when the previously opened port is closed.
  • this allows carrying out the treatment through washing liquid aerosol with a closed container, increasing the treatment efficacy and minimizing the escape of washing liquid aerosol into the surrounding environment.
  • the control means 12 can further comprise signalling means, for example, LCD, LED display, or the like, which indicate to the user the carrying out of a nebulisation step during the stand-by program.
  • signalling means for example, LCD, LED display, or the like, which indicate to the user the carrying out of a nebulisation step during the stand-by program.
  • the user who wants to load further dishes in the dishwashing machine can decide whether to wait for the end of the treatment with washing liquid aerosol or to temporarily discontinue such treatment by opening the port.
  • control means 12 are so configured as to actuate the nebulisation device 9, during the carrying out of the stand-by program, when the port has remained closed for a predetermined period of time, preferably from 2 to 10 minutes, still more preferably from 5 to 10 minutes, after the last opening thereof.
  • a predetermined period of time preferably from 2 to 10 minutes, still more preferably from 5 to 10 minutes, after the last opening thereof.
  • control means 12 are so configured as to actuate the nebulisation device 9 in a discontinuous manner during the carrying out of the stand-by program.
  • control means 12 deactivate the nebulisation device 9 during a rest step between two consecutive nebulisation steps, in which such rest step can have a duration of from 1 to 8 hours, preferably from 1 to 4 hours, still more preferably from 2 to 4 hours.
  • the nebulisation steps of the stand-by program have a duration of from 1 minute to 1 hour, preferably from 5 minutes to 30 minutes, still more preferably from 5 minutes to 10 minutes.
  • the nebuliser device 9 With the aim of carrying out the nebulisation steps during the stand-by program, it is particularly advantageous to provide the nebuliser device 9 with a piezoelectric aerosol generator 13.
  • Such piezoelectric aerosol generator 13 can be arranged within a nebulisation container 14 connected through a supply tube 15 to the delivery duct 6 of the spraying device 4 and through a dispensing duct or port 16 within the washing container 2 ( Fig. 1 ).
  • the nebulisation container 14 is connected through the supply tube 15 to a duct with air head directly connectable to the water network by the interposition of an electrovalve, for example, the supply duct of a water softener device.
  • the nebulisation device 9 dispensing duct 16 is connected to a sprayer nozzle 7 of the spraying device 4 so that the same sprayer nozzle 7 introduces both the sprays of non-nebulised washing liquid during the washing steps of the washing programs and the aerosol flow of nebulised washing liquid during the nebulisation steps of the stand-by program.
  • a device can be provided within the machine 1 to receive a detergent substance and to bring such detergent substance to the washing liquid intended to be nebulised during the nebulisation steps of the stand-by program.
  • the dishwashing machine 1 By means of the dishwashing machine 1 hereto described, it is possible to carry out a dish treatment method aimed at a water, electric energy, and detergent saving, for a given amount of washed dishes, and to improve the result of washing in the sense of a more complete removal of the food residues from the dishes.
  • the method contemplates to arrange the dishes to be washed in the dishwashing machine, to await for the essentially complete filling of the dishwashing machine with dishes to be washed, and to wash the dishes only when the dishwashing machine results to be essentially filled with dishes, through heating washing liquid and spraying the heated washing liquid onto the dishes.
  • the method provides for nebulisation of washing liquid and the conveyance of the nebulised washing liquid onto the dishes, without heating the washing liquid.
  • the nebulisation of the washing liquid when awaiting for the filling of the dishwashing machine occurs in a time-independent manner from the carrying out of the washing of the dishes.
  • the nebulisation is discontinued when the port is opened during the awaiting for the complete filling of the dishwashing machine and is resumed only after the closure of the port.

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  • Washing And Drying Of Tableware (AREA)
EP08425795.5A 2008-12-17 2008-12-17 Lave-vaisselle avec nébulisateur et procédé de traitement de la vaisselle Not-in-force EP2201883B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP08425795.5A EP2201883B1 (fr) 2008-12-17 2008-12-17 Lave-vaisselle avec nébulisateur et procédé de traitement de la vaisselle
ES08425795T ES2743236T3 (es) 2008-12-17 2008-12-17 Máquina lavavajillas con nebulizador y procedimiento de tratamiento de vajillas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08425795.5A EP2201883B1 (fr) 2008-12-17 2008-12-17 Lave-vaisselle avec nébulisateur et procédé de traitement de la vaisselle

Publications (2)

Publication Number Publication Date
EP2201883A1 true EP2201883A1 (fr) 2010-06-30
EP2201883B1 EP2201883B1 (fr) 2019-05-29

Family

ID=40626655

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08425795.5A Not-in-force EP2201883B1 (fr) 2008-12-17 2008-12-17 Lave-vaisselle avec nébulisateur et procédé de traitement de la vaisselle

Country Status (2)

Country Link
EP (1) EP2201883B1 (fr)
ES (1) ES2743236T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2976982A4 (fr) * 2013-03-22 2016-01-27 Panasonic Ip Man Co Ltd Lave-vaisselle
WO2016174480A1 (fr) * 2015-04-29 2016-11-03 Reckitt Benckiser (Brands) Limited Lave-vaisselle domestique et procédé pour laver la vaisselle
CN106140642A (zh) * 2015-04-16 2016-11-23 苏州旋特自动化科技有限公司 餐具不易破碎的洗涤设备
DE102017208440A1 (de) * 2017-05-18 2018-11-22 BSH Hausgeräte GmbH Verfahren zum Betreiben einer Geschirrspülmaschine und Geschirrspülmaschine

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0487474A1 (fr) 1990-11-23 1992-05-27 Aktiebolaget Electrolux Procédé pour transporter du liquide dans une machine à laver la vaisselle et dispositif pour réaliser le procédé
FR2717670A1 (fr) * 1994-03-25 1995-09-29 Beauchamp Bruno Dispositif de trempage et de rincage pour lave vaisselle.
EP1523926A2 (fr) * 2003-10-15 2005-04-20 Matsushita Electric Industrial Co., Ltd. Lave-vaisselle
DE102006055345A1 (de) 2006-11-23 2008-05-29 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspüler mit einem System zur Zerstäubung von Spülflüssigkeit und Verfahren zum Betrieb desselben
EP1938739A2 (fr) * 2004-04-12 2008-07-02 Matsushita Electric Industrial Co., Ltd. Procédé de nettoyage et lave-vaisselle l'utilisant
DE102007029502B3 (de) * 2007-06-25 2008-10-23 Miele & Cie. Kg Steuerung für einen Geschirrspüler

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5202582A (en) * 1991-07-25 1993-04-13 Whirlpool Corporation Electronic control for a dishwasher
US6666219B2 (en) * 2002-03-07 2003-12-23 Maytag Corporation Fast interrupt of dishwasher hand sensor

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0487474A1 (fr) 1990-11-23 1992-05-27 Aktiebolaget Electrolux Procédé pour transporter du liquide dans une machine à laver la vaisselle et dispositif pour réaliser le procédé
FR2717670A1 (fr) * 1994-03-25 1995-09-29 Beauchamp Bruno Dispositif de trempage et de rincage pour lave vaisselle.
EP1523926A2 (fr) * 2003-10-15 2005-04-20 Matsushita Electric Industrial Co., Ltd. Lave-vaisselle
EP1938739A2 (fr) * 2004-04-12 2008-07-02 Matsushita Electric Industrial Co., Ltd. Procédé de nettoyage et lave-vaisselle l'utilisant
DE102006055345A1 (de) 2006-11-23 2008-05-29 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspüler mit einem System zur Zerstäubung von Spülflüssigkeit und Verfahren zum Betrieb desselben
DE102007029502B3 (de) * 2007-06-25 2008-10-23 Miele & Cie. Kg Steuerung für einen Geschirrspüler

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2976982A4 (fr) * 2013-03-22 2016-01-27 Panasonic Ip Man Co Ltd Lave-vaisselle
CN106140642A (zh) * 2015-04-16 2016-11-23 苏州旋特自动化科技有限公司 餐具不易破碎的洗涤设备
WO2016174480A1 (fr) * 2015-04-29 2016-11-03 Reckitt Benckiser (Brands) Limited Lave-vaisselle domestique et procédé pour laver la vaisselle
US11337579B2 (en) 2015-04-29 2022-05-24 Reckitt Benckiser (Brands) Limited Domestic dishwasher and dishwashing method
DE102017208440A1 (de) * 2017-05-18 2018-11-22 BSH Hausgeräte GmbH Verfahren zum Betreiben einer Geschirrspülmaschine und Geschirrspülmaschine
DE102017208440B4 (de) * 2017-05-18 2019-05-02 BSH Hausgeräte GmbH Verfahren zum Betreiben einer Geschirrspülmaschine und Geschirrspülmaschine

Also Published As

Publication number Publication date
EP2201883B1 (fr) 2019-05-29
ES2743236T3 (es) 2020-02-18

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