EP1929927B1 - Lave-vaisselle industriel avec circuit hydraulique amelioré - Google Patents

Lave-vaisselle industriel avec circuit hydraulique amelioré Download PDF

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Publication number
EP1929927B1
EP1929927B1 EP06425764A EP06425764A EP1929927B1 EP 1929927 B1 EP1929927 B1 EP 1929927B1 EP 06425764 A EP06425764 A EP 06425764A EP 06425764 A EP06425764 A EP 06425764A EP 1929927 B1 EP1929927 B1 EP 1929927B1
Authority
EP
European Patent Office
Prior art keywords
wash
sprinklers
ducts
rinse
rack
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.)
Not-in-force
Application number
EP06425764A
Other languages
German (de)
English (en)
Other versions
EP1929927A1 (fr
Inventor
Ezio Gobbi
Daniano Piazza
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 AT06425764T priority Critical patent/ATE401033T1/de
Priority to EP06425764A priority patent/EP1929927B1/fr
Priority to ES06425764T priority patent/ES2310399T3/es
Priority to DE602006001866T priority patent/DE602006001866D1/de
Publication of EP1929927A1 publication Critical patent/EP1929927A1/fr
Application granted granted Critical
Publication of EP1929927B1 publication Critical patent/EP1929927B1/fr
Not-in-force legal-status Critical Current
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
    • A47L15/42—Details
    • A47L15/50—Racks ; Baskets
    • A47L15/508—Hydraulic connections for racks

Definitions

  • the present invention relates to industrial dishwashers, and in particular to a dishwasher with an improved hydraulic circuit aimed at a better exploitation of the machine when washing cups and glasses.
  • the rinse water is pre-heated in the heater to 80-85°C
  • the dishes are arranged at a significant mutual distance to allow an optimal wash from both above and below
  • the wash sprinklers have a high flow rate and pressure and there is provided a single wash rack.
  • the object of the present invention is to provide an industrial dishwasher which overcomes said drawbacks.
  • This object is achieved by means of an industrial dishwasher provided with a hydraulic circuit that includes two valves located in the wash tank and connected to the wash circuit and rinse circuit respectively, as well as a second rack carrying two sprinklers with respective ducts for connection to said valves.
  • Other advantageous features of the present industrial dishwasher are disclosed in the dependent claims.
  • the main advantage of the dishwasher according to the present invention is that it can carry out the wash of cups and glasses in absolute safety, since the addition of a third sprinkler without any intervention on the wash pump implies a decrease of the flow rate and pressure of the sprinklers by approximately 30%.
  • a further advantage of this dishwasher is the greater efficiency and flexibility of use, since in a single wash cycle it is possible to double the load of cups and glasses with respect to a conventional industrial dishwasher.
  • an industrial dishwasher conventionally includes a dish rack 1, in which dishes are washed by upper and lower wash sprinklers 2 and 3, respectively, fed by a wash pump 4 through respective wash ducts 5 and 6.
  • the rinse is carried out by opening valve 7 so that the network water enters heater 8 and feeds the upper and lower rinse sprinklers 9 and 10, respectively, through respective rinse ducts 11 and 12.
  • the rinse sprinklers could also be fed by a suitable rinse pump, and that the excess water is drained by a drain pump (not illustrated).
  • a first novel aspect of the industrial dishwasher according to the present invention is the presence of two valves 13 and 14 located in the wash tank, preferably at the center of the rear wall, and respectively connected to ducts 6 and 12 of the wash and rinse circuits.
  • valves 13 and 14 are closed and the dishwasher operates like a prior art dishwasher.
  • a second novel aspect of the above dishwasher is the presence of a second upper rack 1' that carries underneath two wash and rinse sprinklers 15 and 16, respectively, with respective ducts 17 and 18 for connection to said valves 13 and 14, as shown in fig.2 .
  • ducts 17, 18 reach and open valves 13, 14 respectively, whereby sprinklers 15, 16 are fed by the wash pump 4 and heater 8.
  • Figures 3 and 4 show a first embodiment of the support system for the upper rack 1', that is provided with a bottom supporting structure made up of a plurality of uprights 19 and at least a crossbar 20 to which sprinklers 15, 16 with the respective ducts 17, 18 are secured.
  • a bottom supporting structure made up of a plurality of uprights 19 and at least a crossbar 20 to which sprinklers 15, 16 with the respective ducts 17, 18 are secured.
  • the second embodiment illustrated in figures 5 and 6 still provides a crossbar 20' to which sprinklers 15, 16 with the respective ducts 17, 18 are secured, but said crossbar 20' is provided with a pair of lateral guides 21 that slide on wheel supports 22 mounted on the tank sides.
  • the two racks 1, 1' can be moved for the loading/unloading operations independently one of the other.
  • the latter can also be made removable from the supporting structure 20', 21.
  • valves 13 and 14 are depicted as flap valves located at the center of the rear tank wall, it is possible to adopt other valve arrangements both as to the type of valve and to their position in the tank, as long as the connection of ducts 17, 18 to ducts 6, 12, respectively, is automatically achieved by introducing the upper rack 1' into the tank.

Landscapes

  • Washing And Drying Of Tableware (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Elevator Control (AREA)

Claims (5)

  1. Lave-vaisselle industriel incluant une cuve de lavage adaptée pour recevoir un panier à vaisselle (1) dans lequel la vaisselle est lavée par des asperseurs de lavage supérieur et inférieur (2, 3) alimentés par une pompe de lavage (4) par l'intermédiaire de conduits de lavage respectifs (5, 6) et est ensuite rincée par des asperseurs de rinçage supérieur et inférieur (9, 10) alimentés par l'intermédiaire de conduits de rinçage respectifs (11, 12) à l'aide d'eau chaude provenant d'un dispositif de chauffage (8), caractérisé en ce qu'il inclut également deux soupapes (13, 14) positionnées dans ladite cuve de lavage et respectivement reliées aux conduits supérieurs (6, 12) des circuits de lavage et de rinçage, ainsi qu'un second panier supérieur (1') comportant au-dessous un système de support adapté qui porte un asperseur de lavage supplémentaire (15) et un asperseur de rinçage supplémentaire (16) munis de conduits respectifs (17, 18) adaptés pour un raccordement desdits asperseurs supplémentaires (15, 16) auxdites soupapes (13, 14) lorsque ledit second panier supérieur (1') est introduit dans la cuve de lavage.
  2. Lave-vaisselle industriel selon la revendication 1, caractérisé en ce que les soupapes (13, 14) sont positionnées au centre de la paroi arrière de la cuve de lavage.
  3. Lave-vaisselle industriel selon la revendication 1 ou 2, caractérisé en ce que les soupapes (13, 14) sont des soupapes à clapet.
  4. Lave-vaisselle industriel selon l'une des revendications précédentes, caractérisé en ce que le système de support du panier supérieur (1') est formé d'une structure de support constituée d'une pluralité de montants (19) et d'au moins une barre transversale (20) sur laquelle les asperseurs (15, 16) munis des conduits respectifs (17, 18) sont fixés, ladite structure de support étant adaptée pour être montée au-dessus du panier inférieur (1).
  5. Lave-vaisselle industriel selon l'une quelconque des revendications 1 à 3, caractérisé en ce que le système de support du panier supérieur (1') inclut une barre transversale (20'), sur laquelle les asperseurs (15, 16) munis des conduits respectifs (17, 18) sont fixés, munie d'une paire de guides latéraux (21) qui coulissent sur des supports de galets (22) montés sur les côtés de la cuve de lavage.
EP06425764A 2006-11-09 2006-11-09 Lave-vaisselle industriel avec circuit hydraulique amelioré Not-in-force EP1929927B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT06425764T ATE401033T1 (de) 2006-11-09 2006-11-09 Gewerblicher geschirrspüler mit verbessertem hydraulischen kreislauf
EP06425764A EP1929927B1 (fr) 2006-11-09 2006-11-09 Lave-vaisselle industriel avec circuit hydraulique amelioré
ES06425764T ES2310399T3 (es) 2006-11-09 2006-11-09 Lavavajillas industrial con un circuito hidraulico mejorado.
DE602006001866T DE602006001866D1 (de) 2006-11-09 2006-11-09 Gewerblicher Geschirrspüler mit verbessertem hydraulischen Kreislauf

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06425764A EP1929927B1 (fr) 2006-11-09 2006-11-09 Lave-vaisselle industriel avec circuit hydraulique amelioré

Publications (2)

Publication Number Publication Date
EP1929927A1 EP1929927A1 (fr) 2008-06-11
EP1929927B1 true EP1929927B1 (fr) 2008-07-16

Family

ID=37964120

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06425764A Not-in-force EP1929927B1 (fr) 2006-11-09 2006-11-09 Lave-vaisselle industriel avec circuit hydraulique amelioré

Country Status (4)

Country Link
EP (1) EP1929927B1 (fr)
AT (1) ATE401033T1 (fr)
DE (1) DE602006001866D1 (fr)
ES (1) ES2310399T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3300649B1 (fr) * 2016-09-29 2019-01-23 Belimed AG Support de chargement pour un appareil de nettoyage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2637595A (en) * 1946-10-03 1953-05-05 Hobart Mfg Co Rinse arm connection
FR2544606B1 (fr) * 1983-04-22 1986-12-19 Lancer Ind Sa Machine a laver, par exemple pour les laboratoires de l'industrie, de la recherche, des hopitaux et autres

Also Published As

Publication number Publication date
ATE401033T1 (de) 2008-08-15
DE602006001866D1 (de) 2008-08-28
EP1929927A1 (fr) 2008-06-11
ES2310399T3 (es) 2009-01-01

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