EP0943282B1 - Lave-vaiselle - Google Patents

Lave-vaiselle Download PDF

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Publication number
EP0943282B1
EP0943282B1 EP99101369A EP99101369A EP0943282B1 EP 0943282 B1 EP0943282 B1 EP 0943282B1 EP 99101369 A EP99101369 A EP 99101369A EP 99101369 A EP99101369 A EP 99101369A EP 0943282 B1 EP0943282 B1 EP 0943282B1
Authority
EP
European Patent Office
Prior art keywords
spray arm
washing liquid
spray
supply line
programme
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.)
Revoked
Application number
EP99101369A
Other languages
German (de)
English (en)
Other versions
EP0943282A3 (fr
EP0943282A2 (fr
Inventor
Jürgen Vogel
Winfried Steiner
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.)
AEG Hausgeraete GmbH
Original Assignee
AEG Hausgeraete GmbH
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
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Application filed by AEG Hausgeraete GmbH filed Critical AEG Hausgeraete GmbH
Publication of EP0943282A2 publication Critical patent/EP0943282A2/fr
Publication of EP0943282A3 publication Critical patent/EP0943282A3/fr
Application granted granted Critical
Publication of EP0943282B1 publication Critical patent/EP0943282B1/fr
Anticipated expiration legal-status Critical
Revoked 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
    • A47L15/4289—Spray-pressure measuring or regulating 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
    • A47L15/4214—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
    • 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
    • A47L15/4225—Arrangements or adaption of recirculation or discharge pumps
    • 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
    • A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
    • A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
    • A47L15/22—Rotary spraying devices
    • A47L15/23—Rotary spraying devices moved by means of the sprays
    • 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
    • A47L2501/03—Water recirculation, e.g. control of distributing valves for redirection of water flow
    • 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
    • A47L2501/04—Water pressure or flow rate
    • 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
    • A47L2501/05—Drain or recirculation pump, e.g. regulation of the pump rotational speed or flow direction

Definitions

  • the invention relates to a dishwasher according to the preamble of claim 1.
  • a washing liquid is supplied to the upper and lower crockery basket at the same time.
  • a pump for supplying the washing liquid to the upper and lower crockery basket is arranged in the lower area of the dishwasher.
  • the washing liquid must be supplied to the upper crockery basket via a longer supply line and a greater height, so that, due to the line and pressure losses, a washing liquid spray jet with less pressure or less force strikes the crockery parts stored in the upper crockery basket. It is therefore convenient to use delicate dishes such as. B. glasses to store in the upper basket.
  • the lower crockery basket can not be loaded or only partially, so as not to expose these sensitive dishes to the risk of damage.
  • this partial loading of a crockery basket means a reduced one Efficiency of the dishwasher and thus an increased consumption of resources per loading unit.
  • EP 0 772 992 A describes an optional supply of the rinsing liquid to the upper or lower spray arm.
  • the speed of a motor of a washing liquid pump is adjustable in a dishwasher, the pressure of the washing liquid can be varied over a wide range by adjusting the speed.
  • a slow speed is set for delicate tableware parts such as glasses, which can fall over due to high pressure of spray jets of the washing liquid, or porcelain parts with a sensitive decor. If, on the other hand, heavily soiled crockery items such as pots with leftover food are stored in the dishwasher, a high speed of the motor is set in order to support cleaning by the mechanical action of the spray jets at high pressure.
  • the dishwasher has a program selection input device with which washing programs of the dishwasher can be selected as a function of the dishes in the dishwasher, the speed of the motor depending on the selected program.
  • the dishwasher has at least one upper and lower crockery basket and one upper and lower spray arm for spraying the spray jets onto the crockery parts in the crockery baskets.
  • the flushing liquid supply to the upper spray arm can be switched on and off by a first valve in a first feed line from the flushing liquid pump to the upper spray arm.
  • the flushing liquid supply to the lower spray arm can be switched on and off by a second valve in a second feed line from the flushing liquid pump to the lower spray arm.
  • rinsing liquid can optionally be supplied to the upper, the lower or at the same time the upper and lower spray arm.
  • the optionally adjustable rinsing liquid supply can be used particularly advantageously if only the upper or lower crockery basket is loaded with sensitive crockery parts or heavily soiled crockery parts.
  • an interval program can be selected via the program selection input device, in which washing liquid can be supplied alternately to the upper and lower spray arms in successive intervals during a washing cycle.
  • the speed of the motor when the washing liquid is fed to the upper spray arm is lower than the speed of the motor when the washing liquid is fed to the lower spray arm.
  • the dishwasher has a third feed line to the upper spray arm and the upper spray arm is subdivided into first and second spray arm chambers, the first spray arm chamber being supplied with washing liquid from the first feed line and the second spray arm chamber from the third feed line, and the ' third lead is connected to the second lead.
  • the spray jets emerge from the upper spray arm from the first spray arm chamber in the direction of the upper crockery basket and the spray jets from the second spray arm chamber in the direction of the lower crockery basket.
  • This embodiment enables the generation of spray jets from the upper spray arm at different pressures. If e.g. B. the intensive program is selected for the lower basket, spray jets with high Pressure also from the upper spray arm onto the crockery in the lower crockery basket, while spray jets of medium or low pressure hit the crockery parts in the upper crockery basket.
  • Fig. 1 shows a schematic diagram of the internal structure of a dishwasher.
  • a washing liquid pump 10 driven by a pump motor, pumps the washing liquid collected at the bottom of the dishwasher via a first feed line 12 to an upper spray arm 14 and via a second feed line 18 to a lower spray arm 20.
  • the speed of the pump motor of the rinsing liquid pump 10 can be set over a wide speed range.
  • the pressure of the rinsing liquid supplied to the spray arms 14 and 20 depends on the speed. At low speed, the pressure is low and at high speed, the flushing liquid is supplied at high pressure. As a result, the strength of the spray jets 15, 16 and 21 emerging from the spray arms also depends on the speed of the pump motor.
  • a user can select a gentle program, for example, if sensitive or light items of crockery are stored in the dishwasher, which can tip over and be damaged by the pressure of the spray jets.
  • a gentle program for example, if sensitive or light items of crockery are stored in the dishwasher, which can tip over and be damaged by the pressure of the spray jets.
  • the pump motor runs at a low speed and the spray jets 15, 16, hitting the crockery parts 21 are weak.
  • the user can select an intensive program in which the speed of the pump motor is increased compared to normal operation in order to generate strong spray jets 15, 16, 21 for cleaning heavily soiled dishes.
  • a first valve 11 for shutting off the rinsing liquid supply to the upper spray arm 14 is provided in the first feed line 12 and a second valve 17 for shutting off the rinsing liquid supply to the lower spray arm 20 in the second feed line 18.
  • the valves 11 and 17 are, for example, electromagnetically operated valves which can be controlled by control electronics of the dishwasher.
  • the rinsing liquid can optionally be supplied only to the upper spray arm 14, only to the lower spray arm 20 or to both the upper and the lower spray arm 14, 20.
  • the first and second valves 11, 17 can be replaced by an electromagnetic multi-way valve, the multi-way valve having the same setting states for the flushing liquid supply to the first and second feed lines 12, 18 like the two valves 11, 17.
  • a throttle device is arranged in the first feed line 12. This can be used in addition to or instead of the first and second valves 11, 17.
  • the throttle device reduces the pressure of the flushing liquid which is fed to the upper spray arm 14 and can be switched on when both spray arms 14, 20 are fed with flushing liquid.
  • the functions of the throttle device and of the first valve 11 can be integrated in a multi-position valve which closes the first feed line 12 in a first position. in a second position the first feed line 12 opens completely and in a third position the supply or pressure of the rinsing liquid to the upper spray arm 14 is reduced.
  • a third feed line 25 is provided in a further embodiment of the dishwasher.
  • the third feed line 25 branches off from the second feed line 18 to the lower spray arm 20 and also supplies washing liquid to the upper spray arm 14.
  • the upper spray arm 14 is divided into a first spray arm chamber 26 and a second spray arm chamber 27.
  • the upper spray jets 15 from the spray nozzles of the first spray arm chamber 26 are aligned with the upper crockery basket 13 and the lower spray jets 16 from the second spray arm chamber 27 are aligned with the lower crockery basket 19.
  • the first spray arm chamber 26 is supplied with the washing liquid from the first feed line 12 via a first channel 28 and the second spray arm chamber 27 is supplied with the washing liquid from the third feed line 25 via a second channel 29.
  • the upper spray arm 14 is rotatably supported, the second channel 29 passing through a partition 30 between the first and second spray arm chambers 26, 27, which is rotatable about the second channel 29.
  • the dishes in the lower basket 19 with a 15 independent strength from the strength of the upper spray 15, the spray 16, 21 cleanable. If only the crockery parts in the upper crockery basket are cleaned, further washing liquid and energy for heating them can be saved because the second spray arm chamber 27 is not supplied with washing liquid. If only 19 items of crockery are stored in the lower crockery basket, they can be evenly distributed. clean from above and below.
  • a separate control element for setting the speed by the user can be provided instead.
  • the user can determine, regardless of his washing program selection, With which spray pressure (gentle - medium - strong) his dishes should be cleaned.
  • This setting option can be designed in such a way that it must always be perceived again at the start of a washing program.
  • it can be effective until it changes, so that each rinse cycle following the setting, for. B. is performed with a gentle spray pressure.

Landscapes

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

Claims (10)

  1. Lave-vaisselle, qui présente une pompe de liquide de lavage (10) avec un moteur de pompe, qui présente en outre un panier de vaisselle supérieur (13), un bras de projection supérieur (14), un premier conduit d'amenée (12) pour l'amenée du liquide de lavage de la pompe de liquide de lavage (10) au bras de projection supérieur (14), un panier à vaisselle inférieur (19), un bras de projection inférieur (20), un deuxième conduit d'amenée (18) pour l'amenée du liquide de lavage de la pompe de liquide de lavage (10) au bras de projection inférieur (20), où une première vanne (11) dans le premier conduit d'amenée (12) et une deuxième vanne (17) dans le deuxième conduit d'amenée (18) ou bien une vanne à plusieurs voies entre la pompe de liquide de lavage (10) et les premier et deuxième conduits d'amenée (12, 18) sont réglables de façon que le liquide de lavage puisse être amené sélectivement aux premier et deuxième conduits d'amenée (12, 18) ou seulement au premier conduit d'amenée (12) ou seulement au deuxième conduit d'amenée (18), caractérisé en ce que la vitesse de rotation du moteur de pompe et de ce fait la pression du liquide de lavage pompé est réglable en fonction du bras de projection commandé.
  2. Lave-vaisselle selon la revendication 1, qui présente en outre une installation d'entrée de sélection de programme, où la vitesse de rotation du moteur de pompe est réglable en fonction d'un programme entré par l'installation d'entrée de la sélection de programme.
  3. Lave-vaisselle selon la revendication 1 ou 2, où un programme délicat peut être sélectionné, lors duquel le moteur de pompe fonctionne à une vitesse de rotation réduite de sorte que la pression du liquide de lavage est faible.
  4. Lave-vaisselle selon la revendication 1, 2 ou 3, dans lequel un programme intensif peut être sélectionné, lors duquel le moteur de pompe fonctionne à une vitesse de rotation élevée de sorte que la pression du liquide de lavage est élevée.
  5. Lave-vaisselle selon l'une des revendications 1, 2 ou 3, où un programme délicat de panier supérieur peut être sélectionné, lors duquel le liquide de lavage peut être amené seulement au bras de projection supérieur (14) sous une pression particulièrement basse.
  6. Lave-vaisselle selon l'une des revendications 1, 2 ou 3, dans lequel un programme délicat de panier inférieur peut être sélectionné, où le liquide de lavage peut être amené seulement au bras de projection inférieur (20) sous une pression particulièrement basse.
  7. Lave-vaisselle selon l'une des revendications précédentes, dans lequel un programme à intervalle peut être sélectionné, lors duquel le liquide de lavage peut être amené lors d'un premier intervalle seulement au bras de projection supérieur (14) et lors d'un deuxième intervalle seulement au bras de projection inférieur (20), où la vitesse de rotation du moteur de pompe est réglable en fonction de l'intervalle respectif.
  8. Lave-vaisselle selon l'une des revendications précédentes, qui présente en outre un troisième conduit d'amenée (25) qui est relié en aval de la deuxième vanne (17) ou en aval de la vanne à plusieurs voies au deuxième conduit d'amenée (18) et qui amène au bras de projection supérieur (14) du liquide de lavage, et où le bras de projection supérieur présente : une première chambre de bras de projection (26) avec des buses de projection, la chambre supérieure de bras de projection (26) avec des buses de projection qui dirigent des jets de projection supérieurs (15) dans la direction du panier à vaisselle supérieur (13), une deuxième chambre de bras de projection (27) avec des buses de projection qui dirigent des jets de projection (16) en direction du panier à vaisselle inférieur (19), un premier canal (28) qui amène le liquide de lavage du premier conduit d'amenée (12) à la première chambre de bras de projection (26), et un deuxième canal (29) qui amène le liquide de lavage du troisième conduit d'amenée (25) à la deuxième chambre de bras de projection (27).
  9. Lave-vaisselle selon la revendication 1, caractérisé en ce qu'un élément de commande est prévu, qui permet un réglage de la vitesse de rotation du moteur de pompe indépendamment d'un programme de lavage sélectionné.
  10. Lave-vaisselle selon la revendication 9, caractérisé en ce qu'un réglage effectué est efficace jusqu'à une modification du réglage.
EP99101369A 1998-03-20 1999-01-26 Lave-vaiselle Revoked EP0943282B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19812231 1998-03-20
DE19812231A DE19812231A1 (de) 1998-03-20 1998-03-20 Geschirrspülmaschine

Publications (3)

Publication Number Publication Date
EP0943282A2 EP0943282A2 (fr) 1999-09-22
EP0943282A3 EP0943282A3 (fr) 2000-04-12
EP0943282B1 true EP0943282B1 (fr) 2004-12-29

Family

ID=7861645

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99101369A Revoked EP0943282B1 (fr) 1998-03-20 1999-01-26 Lave-vaiselle

Country Status (2)

Country Link
EP (1) EP0943282B1 (fr)
DE (2) DE19812231A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1731081A2 (fr) 2005-06-08 2006-12-13 Miele & Cie. KG Lave-vaisselle
DE102006012080A1 (de) * 2006-03-14 2007-09-27 Miele & Cie. Kg Spülmaschine
EP1968423B1 (fr) 2005-12-27 2017-09-20 BSH Hausgeräte GmbH Programme de lavage pour un lave-vaisselle offrant un cycle plus court avec une efficacite de lavage constante

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EP1813182A1 (fr) * 2006-01-30 2007-08-01 Bonferraro S.p.A. Lave-vaisselle avec circuit hydraulique amelioré
RU2536552C2 (ru) * 2008-07-28 2014-12-27 Бсх Бош Унд Сименс Хаусгерете Гмбх Посудомоечная машина с системой сорбционной сушки
NZ590678A (en) 2008-07-28 2013-10-25 Bsh Bosch Siemens Hausgeraete Dishwasher comprising a sorption drying system
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US9402526B2 (en) 2011-09-22 2016-08-02 Whirlpool Corporation Dishwasher with spray system
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EP2756789B1 (fr) * 2012-12-28 2018-04-04 Whirlpool EMEA S.p.A Procédé de lavage de la vaisselle
US9295368B2 (en) 2013-03-01 2016-03-29 Whirlpool Corporation Dishwasher with hydraulically driven sprayer
US9532701B2 (en) 2013-03-01 2017-01-03 Whirlpool Corporation Dishwasher with sprayer
DE102013208060A1 (de) * 2013-05-02 2014-11-06 Meiko Maschinenbau Gmbh & Co. Kg Reinigungsvorrichtung für Behälter für menschliche Ausscheidungen
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ITTO20130573A1 (it) * 2013-07-09 2015-01-10 Indesit Co Spa Dispositivo irroratore di liquido, particolarmente per macchina lavastoviglie
US9532699B2 (en) 2013-07-15 2017-01-03 Whirlpool Corporation Dishwasher with sprayer
WO2015049237A1 (fr) * 2013-10-03 2015-04-09 Arcelik Anonim Sirketi Lave-vaisselle à efficacité de lavage améliorée
EP3236831B1 (fr) 2014-12-24 2020-11-04 Illinois Tool Works Inc. Dispositif de lavage/rinçage ajustable, lave-vaisselle statique équipé de celui-ci et procédé associé
KR102448862B1 (ko) * 2016-01-05 2022-09-30 엘지전자 주식회사 식기 세척기 및 식기 세척기의 제어방법
TR201615841A2 (tr) * 2016-11-07 2018-05-21 Arcelik As Su tüketi̇mi̇ azaltilan bi̇r bulaşik maki̇nasi
IT201900010245A1 (it) * 2019-06-27 2020-12-27 Silanos S R L Sistema di risciacquo per macchine lavastoviglie, e macchina lavastoviglie comprendente tale sistema di risciacquo.
KR20210039026A (ko) * 2019-10-01 2021-04-09 엘지전자 주식회사 인공 지능 식기 세척기 및 그를 이용한 식기 세척 방법
CN114903395A (zh) * 2021-02-10 2022-08-16 青岛海尔洗碗机有限公司 洗碗机的控制方法、存储介质及洗碗机
CN117086043A (zh) * 2023-10-17 2023-11-21 常州诺清智能科技有限公司 一种喷淋清洗设备

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1731081A2 (fr) 2005-06-08 2006-12-13 Miele & Cie. KG Lave-vaisselle
EP1968423B1 (fr) 2005-12-27 2017-09-20 BSH Hausgeräte GmbH Programme de lavage pour un lave-vaisselle offrant un cycle plus court avec une efficacite de lavage constante
DE102006012080A1 (de) * 2006-03-14 2007-09-27 Miele & Cie. Kg Spülmaschine

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DE59911348D1 (de) 2005-02-03
EP0943282A3 (fr) 2000-04-12
DE19812231A1 (de) 1999-09-23
EP0943282A2 (fr) 1999-09-22

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