EP1886614A1 - Geschirrspülmaschine mit einem Flüssigkeitskreislauf - Google Patents

Geschirrspülmaschine mit einem Flüssigkeitskreislauf Download PDF

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Publication number
EP1886614A1
EP1886614A1 EP06425575A EP06425575A EP1886614A1 EP 1886614 A1 EP1886614 A1 EP 1886614A1 EP 06425575 A EP06425575 A EP 06425575A EP 06425575 A EP06425575 A EP 06425575A EP 1886614 A1 EP1886614 A1 EP 1886614A1
Authority
EP
European Patent Office
Prior art keywords
sprinkler
outlets
delivery
dishwasher
sprinklers
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.)
Withdrawn
Application number
EP06425575A
Other languages
English (en)
French (fr)
Inventor
Andrea Ambrosi
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.)
Bonferraro SpA
Original Assignee
Bonferraro 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 Bonferraro SpA filed Critical Bonferraro SpA
Priority to EP06425575A priority Critical patent/EP1886614A1/de
Publication of EP1886614A1 publication Critical patent/EP1886614A1/de
Withdrawn legal-status Critical Current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
    • 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 dishwashers, and in particular to a dishwasher provided with a hydraulic circuit that allows to supply a sprinkler located on the tank ceiling separately from the sprinklers that wash the dishes arranged on the two racks.
  • a dishwasher provided with a hydraulic circuit that allows to supply a sprinkler located on the tank ceiling separately from the sprinklers that wash the dishes arranged on the two racks.
  • Specific reference will be made hereafter to the typical arrangement with two stacked racks, with corresponding upper and lower sprinklers, and a single ceiling sprinkler while it is clear that what is being said also applies to horizontal dishwashers with two side-by-side racks that may have also two ceiling sprinklers with a common supply.
  • This type of program is usually obtained through a single-delivery wash pump and a two-way flow distribution valve controlled by the control unit of the machine to direct the water flow to the upper or lower sprinkler.
  • a third smaller sprinkler applied on the top portion or ceiling of the tank.
  • the hydraulic connection to this third sprinkler is achieved by connecting it directly to the wash pump or as a branch-off from the supply duct of one of the two sprinklers, typically the upper sprinkler.
  • this conventional arrangement implies that the ceiling sprinkler operates simultaneously with one of the two rack sprinklers, but this involves loading a greater amount of water with respect to the water load required to supply only one of the two rack sprinklers, in order to prevent cavitation of the pump.
  • the object of the present invention is to provide a dishwasher that overcomes said drawbacks. This object is achieved by means of a dishwasher whose sprinkler supply circuit includes a three-way distribution valve suitable to direct the water flow to any of the above-mentioned sprinklers individually.
  • the main advantage of the dishwasher according to the present invention is that of achieving the same function of alternate wash combined with the ceiling sprinkler without having to increase the water load, and therefore without any increase in water and power consumption, as well as in noise.
  • a second significant advantage of this dishwasher stems from the possibility of using a larger ceiling sprinkler having a flow rate equal to that of the rack sprinklers, since it is individually supplied with the same amount of water, whereby the washing effectiveness is increased.
  • Still another advantage of said dishwasher is the possibility of individually operating the ceiling sprinkler at the moments when this is most advantageous, such as for example at the end of the wash step and at the end of the rinse to wash away from the dishes the last residues.
  • a dishwasher conventionally includes an upper sprinkler US, a lower sprinkler LS and a ceiling sprinkler CS that receive water through respective delivery ducts UD, LD and CD.
  • a collecting sump S On the bottom of the tank there is arranged a collecting sump S, a suction duct SD branching out from the bottom of the latter and leading to the wash pump P, that supplies water to the sprinklers through a delivery D in which the valve controlling the supply to the sprinklers is arranged.
  • valve V includes a rotating shutter RS, provided with a through channel C, suitable to be alternately aligned with one of the three outlets while shutting the other two.
  • valve V is set to supply the ceiling sprinkler CS through the relevant duct CD, that in the illustrated preferred embodiment has the same size as the other two delivery ducts UD, LD.
  • valve V is set to supply the upper sprinkler US through the relevant duct UD
  • in fig.3 valve V is set to supply the lower sprinkler LS through the relevant duct LD.
  • the three-way valve V can be made in other equivalent ways, for example as a slide valve with a translating shutter instead of the rotating shutter RS or as two two-way valves connected in series.
EP06425575A 2006-08-07 2006-08-07 Geschirrspülmaschine mit einem Flüssigkeitskreislauf Withdrawn EP1886614A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06425575A EP1886614A1 (de) 2006-08-07 2006-08-07 Geschirrspülmaschine mit einem Flüssigkeitskreislauf

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06425575A EP1886614A1 (de) 2006-08-07 2006-08-07 Geschirrspülmaschine mit einem Flüssigkeitskreislauf

Publications (1)

Publication Number Publication Date
EP1886614A1 true EP1886614A1 (de) 2008-02-13

Family

ID=37575007

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06425575A Withdrawn EP1886614A1 (de) 2006-08-07 2006-08-07 Geschirrspülmaschine mit einem Flüssigkeitskreislauf

Country Status (1)

Country Link
EP (1) EP1886614A1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010124960A1 (de) * 2009-04-27 2010-11-04 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine und umwälzpumpe mit wasserweiche
WO2012091383A1 (en) * 2010-12-31 2012-07-05 Lg Electronics Inc. Dishwasher
CN113892875A (zh) * 2021-10-12 2022-01-07 华能嘉祥发电有限公司 一种采光效果好的建筑物顶棚

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0383028A2 (de) * 1989-02-14 1990-08-22 Licentia Patent-Verwaltungs-GmbH Geschirrspülmaschine mit einer elektromechanischen Umsteuervorrichtung
EP1123684A2 (de) * 2000-02-08 2001-08-16 Bonferraro S.p.A. Geschirrspülmaschine mit einem zusätzlichen Spülbehälter
DE10133129A1 (de) * 2001-07-07 2003-01-16 Miele & Cie Umwälzpumpe für eine Geschirrspülmaschine
WO2003005875A1 (de) * 2001-07-07 2003-01-23 Miele & Cie. Kg. Geschirrspülmaschine mit sprüharmen und mit einer umwälzpumpe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0383028A2 (de) * 1989-02-14 1990-08-22 Licentia Patent-Verwaltungs-GmbH Geschirrspülmaschine mit einer elektromechanischen Umsteuervorrichtung
EP1123684A2 (de) * 2000-02-08 2001-08-16 Bonferraro S.p.A. Geschirrspülmaschine mit einem zusätzlichen Spülbehälter
DE10133129A1 (de) * 2001-07-07 2003-01-16 Miele & Cie Umwälzpumpe für eine Geschirrspülmaschine
WO2003005875A1 (de) * 2001-07-07 2003-01-23 Miele & Cie. Kg. Geschirrspülmaschine mit sprüharmen und mit einer umwälzpumpe

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010124960A1 (de) * 2009-04-27 2010-11-04 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine und umwälzpumpe mit wasserweiche
WO2012091383A1 (en) * 2010-12-31 2012-07-05 Lg Electronics Inc. Dishwasher
CN113892875A (zh) * 2021-10-12 2022-01-07 华能嘉祥发电有限公司 一种采光效果好的建筑物顶棚
CN113892875B (zh) * 2021-10-12 2022-07-12 华能嘉祥发电有限公司 一种采光效果好的建筑物顶棚

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