EP1878377B1 - Filtre de lave-vaisselle - Google Patents

Filtre de lave-vaisselle Download PDF

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Publication number
EP1878377B1
EP1878377B1 EP06425478A EP06425478A EP1878377B1 EP 1878377 B1 EP1878377 B1 EP 1878377B1 EP 06425478 A EP06425478 A EP 06425478A EP 06425478 A EP06425478 A EP 06425478A EP 1878377 B1 EP1878377 B1 EP 1878377B1
Authority
EP
European Patent Office
Prior art keywords
filter
dishwasher
peripheral edge
edge
wall
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.)
Active
Application number
EP06425478A
Other languages
German (de)
English (en)
Other versions
EP1878377A1 (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 DE602006003423T priority Critical patent/DE602006003423D1/de
Priority to ES06425478T priority patent/ES2314867T3/es
Priority to PL06425478T priority patent/PL1878377T3/pl
Priority to EP06425478A priority patent/EP1878377B1/fr
Priority to AT06425478T priority patent/ATE412360T1/de
Publication of EP1878377A1 publication Critical patent/EP1878377A1/fr
Application granted granted Critical
Publication of EP1878377B1 publication Critical patent/EP1878377B1/fr
Active 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
    • A47L15/4202—Water filter means or strainers
    • A47L15/4204—Flat filters

Definitions

  • the present invention relates to a dishwasher filter for filtering the wash water and collecting the dirt residues in a second filter, and in particular to a dishwasher filter with an inclined edge.
  • dishwashers are provided with a first filter in the lower portion of the tank, usually made of steel or plastic, which is used for filtering the wash water and conveying the dirt residues to a second substantially cylindrical filter and to a sump close to which there is arranged the drain pump to drain the tank.
  • Said first filter generally has a concave shape suitable to convey the wash water to the second filter and is housed in a corresponding recess in the tank bottom.
  • Dishwasher filters are designed to prevent large-size residues from entering the hydraulic circuit and blocking the operation of components such as the drain pump, the wash pump, the deviating valve, etc.
  • the residues can fall inside the sump and reach the region close to the drain pump with the risk of blocking the drain pump, or they can reach the sump region where the water directed to the wash pump passes and be sucked in by the water stream with the risk of blocking the wash pump.
  • the residues that accumulate between the peripheral edge of the filter and the filter seat may be, for example, seeds, or chips of glass or ceramic resulting from the accidental breakage of glasses or plates, or other residues that are hard and potentially harmful for the pumps.
  • the user hardly sees glass chips in case the inside of the dishwasher is wet.
  • the object of the present invention is to provide a dishwasher filter free from said drawbacks. This object is achieved by means of a dishwasher filter having a peripheral edge inclined inwards.
  • the main advantage of the dishwasher filter according to the present invention is the possibility of preventing large dirt residues from accumulating at the peripheral edge of the filter and falling inside the sump during the maintenance phase.
  • Another advantage of the dishwasher filter according to the present invention stems from the fact that, thanks to the absence of dirt residues at its edge, the dishwasher has improved hygienic conditions and the user is facilitated in cleaning the filter.
  • FIG. 1 shows a dishwasher filter 1 according to the prior art housed in a seat 2 at the bottom of a dishwasher tank.
  • Filter 1 is provided with a central opening in which there is tightly inserted in a substantially vertical way a hollow member 3, whose flanged end 4 abuts on a central recessed portion 5 of filter 1.
  • Filter 1 is also provided with a flared annular portion 6 suitable to centrally convey the wash water containing dirt residues, and with a substantially flat peripheral portion 7 having a peripheral edge 8 that is rounded and bent downwards.
  • peripheral edge 8 of filter 1 abuts on seat 2 so that the wash water containing the dirt residues can not pass therebetween.
  • the rounded geometry of the peripheral edge 8 is such that between seat 2 and the edge there is a space where residues can be deposited, in such a position that upon removal of filter 1 they tend to fall over edge 8 into the underlying sump.
  • the novel aspect of the filter according to the present invention is illustrated in fig.2 , that shows a narrower peripheral portion 7' and a peripheral edge 8' including a wall 10 substantially inclined downwards and toward the center of filter 1, said wall 10 being connected to the portion of edge 8' abutting on the filter seat 2 through a rounding 11 having a suitably small radius of curvature.
  • the dirt residues having such a size as to pose a problem to the hydraulic circuit of the dishwasher can not remain on edge 8', in that said position is highly unstable, and fall toward the center of filter 1 being then eliminated during the filter maintenance phase.
  • the inclined wall 10 of edge 8' has a slope of at least 20° and preferably 45°.

Landscapes

  • Washing And Drying Of Tableware (AREA)

Claims (5)

  1. Filtre de lave-vaisselle (1) comprenant une partie annulaire évasée (6) et un bord périphérique (8'), caractérisé en ce que ledit bord périphérique (8') comprend une paroi (10) sensiblement inclinée vers le bas et vers le centre du filtre (1).
  2. Filtre de lave-vaisselle (1) selon la revendication 1, caractérisé en ce que l'angle de pente de la paroi (10) du bord périphérique (8') du filtre (1) par rapport à l'horizontale est d'au moins 20°.
  3. Filtre de lave-vaisselle (1) selon la revendication 1, caractérisé en ce que l'angle de pente de la paroi (10) du bord périphérique (8') du filtre (1) par rapport à l'horizontale est égal à 45°.
  4. Filtre de lave-vaisselle (1) selon la revendication 1, caractérisé en ce que la paroi (10) du bord périphérique (8') du filtre (1) est reliée à la partie du bord (8') butant contre le siège du filtre (2) par le biais d'un arrondi (11) ayant un rayon de courbure assez faible.
  5. Lave-vaisselle caractérisé en ce qu'il comprend un filtre selon l'une des revendications précédentes.
EP06425478A 2006-07-10 2006-07-10 Filtre de lave-vaisselle Active EP1878377B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE602006003423T DE602006003423D1 (de) 2006-07-10 2006-07-10 Geschirrspülmaschinefilter
ES06425478T ES2314867T3 (es) 2006-07-10 2006-07-10 Filtro para lavaplatos.
PL06425478T PL1878377T3 (pl) 2006-07-10 2006-07-10 Filtr do zmywarki do naczyń
EP06425478A EP1878377B1 (fr) 2006-07-10 2006-07-10 Filtre de lave-vaisselle
AT06425478T ATE412360T1 (de) 2006-07-10 2006-07-10 Geschirrspülmaschinefilter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06425478A EP1878377B1 (fr) 2006-07-10 2006-07-10 Filtre de lave-vaisselle

Publications (2)

Publication Number Publication Date
EP1878377A1 EP1878377A1 (fr) 2008-01-16
EP1878377B1 true EP1878377B1 (fr) 2008-10-29

Family

ID=37497046

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06425478A Active EP1878377B1 (fr) 2006-07-10 2006-07-10 Filtre de lave-vaisselle

Country Status (5)

Country Link
EP (1) EP1878377B1 (fr)
AT (1) ATE412360T1 (fr)
DE (1) DE602006003423D1 (fr)
ES (1) ES2314867T3 (fr)
PL (1) PL1878377T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008016623B4 (de) * 2008-04-01 2010-02-25 BSH Bosch und Siemens Hausgeräte GmbH Geschirrspülmaschine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1276718B1 (it) * 1995-06-14 1997-11-03 Smeg Spa Dispositivo per controllare il lavaggio del filtro di una macchina lavastoviglie

Also Published As

Publication number Publication date
DE602006003423D1 (de) 2008-12-11
ES2314867T3 (es) 2009-03-16
PL1878377T3 (pl) 2009-04-30
ATE412360T1 (de) 2008-11-15
EP1878377A1 (fr) 2008-01-16

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