EP1090579A1 - Einheit von rotierenden Düsen für Geschirrspülmaschine ausgestattet mit einer Einrichtung zur horizontalen Verschiebung - Google Patents

Einheit von rotierenden Düsen für Geschirrspülmaschine ausgestattet mit einer Einrichtung zur horizontalen Verschiebung Download PDF

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Publication number
EP1090579A1
EP1090579A1 EP00830641A EP00830641A EP1090579A1 EP 1090579 A1 EP1090579 A1 EP 1090579A1 EP 00830641 A EP00830641 A EP 00830641A EP 00830641 A EP00830641 A EP 00830641A EP 1090579 A1 EP1090579 A1 EP 1090579A1
Authority
EP
European Patent Office
Prior art keywords
sprinkler
sprinkling assembly
assembly according
gear
rotation
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
EP00830641A
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English (en)
French (fr)
Other versions
EP1090579B1 (de
Inventor
Roberto Bertazzoni
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Smeg SpA
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Smeg SpA
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Publication date
Application filed by Smeg SpA filed Critical Smeg SpA
Publication of EP1090579A1 publication Critical patent/EP1090579A1/de
Application granted granted Critical
Publication of EP1090579B1 publication Critical patent/EP1090579B1/de
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
    • A47L15/14—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
    • 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

Definitions

  • the present invention relates to revolving sprinkling assemblies for dishwashers, and in particular to a sprinkling assembly including a device for its shift in the horizontal plane.
  • a sprinkling assembly including a device for its shift in the horizontal plane.
  • the revolving sprinklers of known kind essentially consist of a single horizontal sprinkler pivoted on a vertical axis central shaft and provided with at least one propulsion nozzle at one end, as well as with other nozzles arranged along said sprinkler to sprinkle the dishes contained in the dishwasher rack. Since the rotation axis of the sprinkler is fixed, the resulting paths of the nozzles consist of circumferences centered on said axis.
  • the above-mentioned assembly sprinkles always and only the surfaces of the dishes which are along said circular paths, with a limited washing effectiveness.
  • the area which can be reached by the water ejected from the nozzles approximately corresponds to the area of the square circumscribed about the circular path of the outermost nozzle.
  • the simplest solution is that of giving a greater inclination to the end nozzles of the sprinkler so that the water jets ejected therefrom reach beyond the area of rotation.
  • a sprinkler with a nozzle inclined at about 75° so as to cover also the foremost portion of the rack in a dishwasher whose width is smaller than its length (typically 45 x 60 cm).
  • This solution has a first drawback of poor washing effectiveness in the end portion of the rack, since very inclined jets are unable to properly enter between the dishes arranged side by side like the almost vertical jets ejected by the other nozzles can do. Moreover, a second drawback stems from the fact that such inclined jets hit the walls of the washing space with a considerable horizontal component thus causing a significant noisiness of the dishwasher.
  • the object of the present invention is to provide a revolving sprinkling assembly which overcomes the above-mentioned limitations of prior art sprinklers.
  • the main advantage of the sprinkling assembly according to the present invention is the combination of silent operation and capacity of properly sprinkling also the outermost dishes when these are arranged in a rectangular rack, so as to achieve a high washing effectiveness.
  • a further advantage of the present sprinkler is given by the possibility of programming the shift of the sprinkler at any time during the washing cycle, so as to favour the sprinkling of some areas of the rack depending on the number, kind and arrangement of the dishes.
  • a conventional sprinkling assembly includes a sprinkler S rotating in the horizontal plane around an axis of rotation R since it is pivoted onto a vertical hollow shaft A.
  • the rotation of sprinkler S is achieved through at least one propulsion nozzle G arranged at its end and inclined (at 75° in the illustrated example) so as to eject a jet with a horizontal component, whereas the other washing nozzles W eject substantially vertical nozzles to sprinkle the dishes.
  • the pressurized water from the washing pump P reaches sprinkler S through a feed duct C connected to shaft A.
  • a toothed rim Z is externally formed at the base of shaft A' and is engaged with a first gear X keyed onto a vertical spindle at whose opposite end there is keyed a second smaller gear Y. Said gear Y is in turn engaged with a rack E whose translation is controlled by a thermoactuator M (fig.3).
  • sprinkler S can be shifted from the back position of figs.2 and 3 to the forward position illustrated in figs.4 and 5.
  • thermoactuator M when the thermoactuator M is powered it provides the extension of rack E and therefore the counter-clockwise rotation (as seen in figs.3 and 5) of gear Y and gear X integral therewith, which corresponds to a clockwise rotation or toothed rim Z.
  • shaft A' rotates through 180° taking extension K in the forward position (fig.4) and the axis of rotation R of sprinkler S thus results shifted forward by a distance equal to twice its eccentricity with respect to axis T of shaft A'.
  • sprinkler S may even be stopped by temporarily switching off pump P so that it does not hit the sidewalls of the washing space.
  • sprinkler S may be provided at its ends with bumpers suitable to deaden the impact with the walls and after having stopped due to the impact it will immediately start again because of the push of the propulsion nozzle G'.
  • sprinkler S in the forward position sprinkler S reaches close to the front edge of the rack and therefore may be provided with an end propulsion nozzle G' less inclined (45° in the illustrated example) which is therefore more effective in washing the overlying dishes.
  • thermoactuator M To return sprinkler S to the back position it is sufficient to disconnect the power to thermoactuator M, which under the action of an internal return spring will pull back rack E thus causing a rotation which is reverse of the previously described one. Therefore it is clear that the back or forward position of sprinkler S can be changed at any time during the washing cycle simply by switching on or off thermoactuator M.
  • Figures 6 to 8 illustrate a second embodiment wherein the shifting of the axis of rotation R is achieved through a linear translation rather than by rotation as in the above-described arrangement.
  • sprinkler S is pivoted onto a translating duct N which in turn is slidably engaged onto a feed box F, the water reaching sprinkler S through said members which are hollow.
  • a rack H is formed on one side of duct N along the direction of translation, and is engaged with a gear X' driven by a motor V through a reduction gear.
  • gear X' is set into rotation and through rack E provides the translation of duct N, and therefore of sprinkler S mounted thereon, from the back position of fig.7 to the forward position of fig. 8, while the reverse motion is achieved simply by inverting the rotation of motor V.
  • This second type of shifting device takes more room than the preceding one, but by providing a linear translation of sprinkler S it prevents possible contacts thereof with the sidewalls of the washing space and allows the operation thereof at any intermediate position along the travel defined by the length of rack E.
  • thermoactuator M and motor V are just examples of other possible actuating devices suitable to control the horizontal shift of sprinkler S.
  • sprinkler S can be of any type, in particular also of the orbital type, and that its shifting may be achieved through other mechanisms equivalent to the above-described gears, e.g. levers or the like.

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Spray Control Apparatus (AREA)
  • Nozzles (AREA)
EP00830641A 1999-10-01 2000-09-27 Einheit von rotierenden Düsen für Geschirrspülmaschine ausgestattet mit einer Einrichtung zur horizontalen Verschiebung Expired - Lifetime EP1090579B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT1999MI002054A IT1313319B1 (it) 1999-10-01 1999-10-01 Gruppo irroratore girevole per lavastoviglie dotato di dispositivo per lo spostamento orizzontale.
ITMI992054 1999-10-01

Publications (2)

Publication Number Publication Date
EP1090579A1 true EP1090579A1 (de) 2001-04-11
EP1090579B1 EP1090579B1 (de) 2005-03-02

Family

ID=11383708

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00830641A Expired - Lifetime EP1090579B1 (de) 1999-10-01 2000-09-27 Einheit von rotierenden Düsen für Geschirrspülmaschine ausgestattet mit einer Einrichtung zur horizontalen Verschiebung

Country Status (4)

Country Link
EP (1) EP1090579B1 (de)
DE (1) DE60018345T2 (de)
ES (1) ES2235819T3 (de)
IT (1) IT1313319B1 (de)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009007297A1 (de) * 2009-02-03 2010-08-12 Miele & Cie. Kg Spülautomat mit einem quaderförmigen Spülraum
US7959744B2 (en) 2007-09-19 2011-06-14 Whirlpool Corporation Dishwasher with targeted sensing and washing
US8347898B2 (en) 2009-04-30 2013-01-08 Whirlpool Corporation Dishwasher with rotating zone wash sprayers
EP2606805A1 (de) * 2011-12-20 2013-06-26 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine mit in Längsrichtung beweglichem Sprüharm
ITTO20120200A1 (it) * 2012-03-08 2013-09-09 Bitron Spa Dispositivo per la movimentazione di giranti di lavaggio per dispositivi di lavaggio e o asciugatura.
ITTO20120199A1 (it) * 2012-03-08 2013-09-09 Bitron Spa Assieme per il lavaggio applicato ad una macchina lavatrice e/o asciugatrice.
WO2013132458A1 (en) * 2012-03-08 2013-09-12 Bitron S.P.A. Wash assembly applied to a washing machine and/or drying machine
WO2013156553A1 (de) * 2012-04-19 2013-10-24 Vincent Reichart Antriebsvorrichtung und geschirrspülmaschine mit einer solchen antriebsvorrichtung
ITTO20120793A1 (it) * 2012-09-14 2014-03-15 Elbi Int Spa Dispositivo valvolare di deviazione, in particolare per una macchina lavatrice, quale una lavastoviglie
US8834648B2 (en) 2010-10-21 2014-09-16 Whirlpool Corporation Dishwasher with controlled rotation of lower spray arm
IT201700031111A1 (it) * 2017-03-21 2018-09-21 Candy Spa Macchina lavastoviglie con braccio spruzzatore roto-traslante
WO2018219470A1 (en) * 2017-06-02 2018-12-06 Arcelik Anonim Sirketi Liquid spraying device for a dishwasher with improved cleaning performance
US10667668B2 (en) 2013-06-27 2020-06-02 Whirlpool Corporation Dishwasher with rotationally mounted sprayer
WO2021018608A1 (de) * 2019-07-31 2021-02-04 BSH Hausgeräte GmbH Haushalts-geschirrspülmaschine
EP3970594A1 (de) * 2020-09-21 2022-03-23 Vestel Elektronik Sanayi ve Ticaret A.S. Geschirrspülmaschine
CN115722036A (zh) * 2022-10-26 2023-03-03 汇舸(南通)环保设备有限公司 一种用于船舶烟道废气的脱硫装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB833434A (en) * 1957-08-21 1960-04-27 Sven Gustaf Nord Dishwashing apparatus
US5464482A (en) * 1994-11-07 1995-11-07 Maytag Corporation Washarm assembly for dishwasher
EP0727177A2 (de) * 1995-02-15 1996-08-21 SMEG S.p.A. Drehende Sprüheinrichtung für Geschirrspülmaschine mit horizontaler hin- und -hergehender Bewegung
EP0727176A2 (de) * 1995-02-15 1996-08-21 SMEG S.p.A. Drehende Sprüheinrichtung für Geschirrspülmaschine mit horizontaler hin- und -hergehender Bewegung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB833434A (en) * 1957-08-21 1960-04-27 Sven Gustaf Nord Dishwashing apparatus
US5464482A (en) * 1994-11-07 1995-11-07 Maytag Corporation Washarm assembly for dishwasher
EP0727177A2 (de) * 1995-02-15 1996-08-21 SMEG S.p.A. Drehende Sprüheinrichtung für Geschirrspülmaschine mit horizontaler hin- und -hergehender Bewegung
EP0727176A2 (de) * 1995-02-15 1996-08-21 SMEG S.p.A. Drehende Sprüheinrichtung für Geschirrspülmaschine mit horizontaler hin- und -hergehender Bewegung

Cited By (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2039280A3 (de) * 2007-09-19 2014-05-07 Whirlpool Corporation Geschirrspüler mit gezielter Messung und gezieltem Waschen
US7959744B2 (en) 2007-09-19 2011-06-14 Whirlpool Corporation Dishwasher with targeted sensing and washing
DE102009007297A1 (de) * 2009-02-03 2010-08-12 Miele & Cie. Kg Spülautomat mit einem quaderförmigen Spülraum
US8347898B2 (en) 2009-04-30 2013-01-08 Whirlpool Corporation Dishwasher with rotating zone wash sprayers
US8485205B2 (en) * 2009-04-30 2013-07-16 Whirlpool Corporation Dishwasher with rotating zone wash sprayers
US10383504B2 (en) 2010-10-21 2019-08-20 Whirlpool Corporation Dishwasher with controlled rotation of lower spray arm
US10004378B2 (en) 2010-10-21 2018-06-26 Whirlpool Corporation Dishwasher with controlled rotation of lower spray arm
US8834648B2 (en) 2010-10-21 2014-09-16 Whirlpool Corporation Dishwasher with controlled rotation of lower spray arm
EP2606805A1 (de) * 2011-12-20 2013-06-26 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine mit in Längsrichtung beweglichem Sprüharm
WO2013132458A1 (en) * 2012-03-08 2013-09-12 Bitron S.P.A. Wash assembly applied to a washing machine and/or drying machine
ITTO20120200A1 (it) * 2012-03-08 2013-09-09 Bitron Spa Dispositivo per la movimentazione di giranti di lavaggio per dispositivi di lavaggio e o asciugatura.
WO2013132459A1 (en) * 2012-03-08 2013-09-12 Bitron S.P.A. Device for moving washing impellers for washing and/or drying devices
CN104271024A (zh) * 2012-03-08 2015-01-07 比特朗股份公司 用于使得用于清洗装置和/或烘干装置的清洗叶轮运动的装置
CN104284620B (zh) * 2012-03-08 2017-06-13 比特朗股份公司 应用于洗涤机和/或干燥机的洗涤组件
ITTO20120199A1 (it) * 2012-03-08 2013-09-09 Bitron Spa Assieme per il lavaggio applicato ad una macchina lavatrice e/o asciugatrice.
WO2013156553A1 (de) * 2012-04-19 2013-10-24 Vincent Reichart Antriebsvorrichtung und geschirrspülmaschine mit einer solchen antriebsvorrichtung
EP2708178A1 (de) * 2012-09-14 2014-03-19 ELBI International S.p.A. Umlenkventilvorrichtung, insbesondere für Waschmaschinen wie z. B. Geschirrspüler
US9228663B2 (en) 2012-09-14 2016-01-05 Elbi International Spa Diverter valve device, in particular for a washing machine, such as a dishwasher
ITTO20120793A1 (it) * 2012-09-14 2014-03-15 Elbi Int Spa Dispositivo valvolare di deviazione, in particolare per una macchina lavatrice, quale una lavastoviglie
US11019981B2 (en) 2013-06-27 2021-06-01 Whirlpool Corporation Dishwasher with rotationally mounted sprayer
US10667668B2 (en) 2013-06-27 2020-06-02 Whirlpool Corporation Dishwasher with rotationally mounted sprayer
US10820780B2 (en) 2013-06-27 2020-11-03 Whirlpool Corporation Dishwasher
EP3378370A1 (de) * 2017-03-21 2018-09-26 Candy S.p.A. Geschirrspüler mit rotierendem und verschieblichem sprüharm
IT201700031111A1 (it) * 2017-03-21 2018-09-21 Candy Spa Macchina lavastoviglie con braccio spruzzatore roto-traslante
RU2765734C2 (ru) * 2017-03-21 2022-02-02 Канди С.П.А. Посудомоечная машина с вращающимся распылительным коромыслом
WO2018219470A1 (en) * 2017-06-02 2018-12-06 Arcelik Anonim Sirketi Liquid spraying device for a dishwasher with improved cleaning performance
WO2021018608A1 (de) * 2019-07-31 2021-02-04 BSH Hausgeräte GmbH Haushalts-geschirrspülmaschine
US11826000B2 (en) 2019-07-31 2023-11-28 BSH Hausgeräte GmbH Domestic dishwasher
EP3970594A1 (de) * 2020-09-21 2022-03-23 Vestel Elektronik Sanayi ve Ticaret A.S. Geschirrspülmaschine
CN115722036A (zh) * 2022-10-26 2023-03-03 汇舸(南通)环保设备有限公司 一种用于船舶烟道废气的脱硫装置
CN115722036B (zh) * 2022-10-26 2024-01-16 汇舸(南通)环保设备有限公司 一种用于船舶烟道废气的脱硫装置

Also Published As

Publication number Publication date
DE60018345D1 (de) 2005-04-07
ITMI992054A0 (it) 1999-10-01
IT1313319B1 (it) 2002-07-17
EP1090579B1 (de) 2005-03-02
ITMI992054A1 (it) 2001-04-01
DE60018345T2 (de) 2006-01-26
ES2235819T3 (es) 2005-07-16

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