EP2128326B1 - Abfluss einer Waschmaschine mit Entlüftung mit Ventil, Herstellungsverfahren dafür und Waschmaschine mit einem derartigen Abfluss - Google Patents

Abfluss einer Waschmaschine mit Entlüftung mit Ventil, Herstellungsverfahren dafür und Waschmaschine mit einem derartigen Abfluss Download PDF

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Publication number
EP2128326B1
EP2128326B1 EP08425379A EP08425379A EP2128326B1 EP 2128326 B1 EP2128326 B1 EP 2128326B1 EP 08425379 A EP08425379 A EP 08425379A EP 08425379 A EP08425379 A EP 08425379A EP 2128326 B1 EP2128326 B1 EP 2128326B1
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EP
European Patent Office
Prior art keywords
washer
pipe
drain
flap valve
pipes
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
EP08425379A
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English (en)
French (fr)
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EP2128326A1 (de
Inventor
Lucio Gastaldelli
Mauro Tosi
Luca Bicego
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Bonferraro SpA
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Bonferraro SpA
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Publication date
Application filed by Bonferraro SpA filed Critical Bonferraro SpA
Priority to PL08425379T priority Critical patent/PL2128326T3/pl
Priority to ES08425379T priority patent/ES2356105T3/es
Priority to AT08425379T priority patent/ATE488632T1/de
Priority to EP08425379A priority patent/EP2128326B1/de
Priority to DE602008003546T priority patent/DE602008003546D1/de
Publication of EP2128326A1 publication Critical patent/EP2128326A1/de
Application granted granted Critical
Publication of EP2128326B1 publication Critical patent/EP2128326B1/de
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements

Definitions

  • the present invention relates to a washer drain with valved vent, the relevant manufacturing method and to a washer comprising said washer drain.
  • washing appliances such as washers, washer/dryers and the like are provided with a water drain that runs directly from the drain pump to the wall-mounted drain mouth (e.g. see document DE-U-8008183 ).
  • the water drainpipe rather than coming out of the machine at the bottom comes out at the top leaving inside the machine a vertically arranged length of drainpipe that acts as a reservoir and a water column which exerts a certain pressure.
  • a pressure is used to operate a float or ball valve located on the tank spout, so that when the water with the detergent is loaded in the tank a portion of said water is not immediately wasted down the drain.
  • the drain has a vent pipe that allows the entrance of air, so as to cancel the siphon effect, and is provided with a valve that is closed during the drain phase to prevent water leakages.
  • This pipe is usually connected to the detergent drawer or directly to the tank so as to avoid that the water possibly leaking through the pipe in the first moments of the drain phase, when the valve may be not yet perfectly closed, can get out of the washer.
  • the object of the present invention is to provide a drain with valved vent which overcomes said drawbacks.
  • This object is achieved by means of a drain in which the vent is provided with a flap valve integrated into a T-fitting where the three above-mentioned pipes meet.
  • a flap valve 6, better illustrated further on, is fitted in a seat 8 formed in arm 1c of fitting 1 and engages two teeth 9 located above and below said seat 8.
  • the assembly is then overmolded with a rubber cover 7 that covers substantially the whole T-fitting.
  • the flap valve 6 is better illustrated in Fig.3 that shows how the valve is substantially C-shaped, with a central projection 6a shaped to mate with seat 8 formed in fitting 1 as well as a pair of windows 6b (only one visible in the figure) for coupling with teeth 9.
  • a flap shutter 10 extends orthogonally at a central position from projection 6a and is connected thereto, on the side opposite to the closure abutment side, preferably also through a rib 11 acting as a biasing member for a faster closing of the valve.
  • valve 6 opens, when necessary, to allow the entrance of air into fitting 1 through pipe 4, arm 1c and the relevant entrance hole 12 on which the flap shutter 10 of valve 6 rests, which valve is made of a flexible material, preferably silicone rubber.
  • shutter 10 abuts on hole 12 to prevent the leakage of water coming from pipe 2 so that all the water is drained through the drainpipe 3.
  • a manufacturing method for the above-described drain therefore essentially includes the steps of:

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Check Valves (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Valve Housings (AREA)
  • Filtering Materials (AREA)

Claims (9)

  1. Abfluss einer Waschmaschine, der ein Element enthält, das geeignet ist, drei Rohre miteinander zu verbinden, ein erstes Rohr (2), das sich zwischen einer Waschmaschinen-Abflusspumpe und dem Element erstrecken soll, ein zweites Rohr (3), das sich zwischen dem Element und einer an der Wand montierten Abflussöffnung erstrecken soll, und ein drittes Rohr (4), das sich zwischen dem Element und der Waschmittel-Schublade oder dem Tank der Waschmaschine erstrecken soll, sowie Ventilmittel, die geeignet sind, das dritte Rohr (4) zu schließen, dadurch gekennzeichnet, dass das Element, das geeignet ist, die drei Rohre (2, 3, 4) miteinander zu verbinden, aus einem im Wesentlichen T-förmigen Anschlussteil (1) besteht und die Ventilmittel, die geeignet sind, das dritte Rohr (4) zu schließen, aus einem Klappventil (6) bestehen, das in einer Aufnahme (8) angeordnet ist, die in dem Arm (1c) des T-förmigen Anschlussteils (1) ausgebildet ist, an den das dritte Rohr (4) angeschlossen ist.
  2. Abfluss einer Waschmaschine nach Anspruch 1, dadurch gekennzeichnet, dass die drei Rohre (2, 3, 4) und das Klappventil (6) auf dem T-förmigen Anschlussteil (1) durch eine umspritzte (overmolded) Gummiabdeckung (7) fixiert sind.
  3. Abfluss einer Waschmaschine nach Anspruch 2, dadurch gekennzeichnet, dass die umspritzte Gummiabdeckung (7) einen mit einer Rille versehenen Flansch (7a) in dem Bereich aufweist, bei dem das zweite Rohr (3) fixiert ist.
  4. Abfluss einer Waschmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Klappventil (6) im Wesentlichen C-förmig ist, mit einem zentralen vorragenden Teil (6a), das so ausgeformt ist, dass es mit der in dem T-förmigen Anschlussteil (1) ausgebildeten Aufnahme (8) zusammenpasst.
  5. Abfluss einer Waschmaschine nach Anspruch 4, dadurch gekennzeichnet, dass das Klappventil (6) einen Klappenverschluss (10) aufweist, der sich orthogonal bei einer zentralen Position von dem vorragenden Teil (6a) erstreckt und damit verbunden ist, auf der Seite gegenüber der Verschlusswiderlagerseite, auch durch eine Rippe (11), die als ein Vorspannelement wirkt.
  6. Abfluss einer Waschmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der T-förmige Anschlussteil (1) mit zwei Zähnen (9) versehen ist, die oberhalb und unterhalb der Aufnahme (8) des Klappventils (6) angeordnet sind, und wobei das letztere mit zwei Öffnungen (6b) versehen ist, die für eine Kopplung mit den Zähnen (9) geeignet sind.
  7. Abfluss einer Waschmaschine nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass das Klappventil (6) aus Silikongummi gemacht ist.
  8. Waschmaschine, dadurch gekennzeichnet, dass sie einen Abfluss nach einem der vorhergehenden Ansprüche aufweist.
  9. Ein Herstellungsverfahren für einen Abfluss einer Waschmaschine, das die folgenden Schritte enthält:
    a) Bereitstellen von einem Klappventil (6), drei Rohren (2, 3, 4) und einem im Wesentlichen T-förmigen Anschlussteil (1), das versehen ist mit einer Aufnahme (8), die geeignet ist, das Klappventil (6) aufzunehmen, und drei Anschlüssen (1a, 1b, 1c), die geeignet sind zum Anschließen der drei Rohre (2, 3, 4);
    b) Anschließen der drei Rohre (2, 3, 4) an die entsprechenden Anschlüsse (1a, 1b, 1c);
    c) Platzieren des Klappventils (6) in seine entsprechende Aufnahme (8);
    d) Umspritzen (overmolding) der so zusammengesetzten Baugruppe mit einer Gummiabdeckung (7), die alle Elemente zusammenhaltend im Wesentlichen das gesamte T-förmige Anschlussteil (1) bedeckt.
EP08425379A 2008-05-27 2008-05-27 Abfluss einer Waschmaschine mit Entlüftung mit Ventil, Herstellungsverfahren dafür und Waschmaschine mit einem derartigen Abfluss Active EP2128326B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PL08425379T PL2128326T3 (pl) 2008-05-27 2008-05-27 Odpływ pralki z wyposażonym w zawór odpowietrznikiem, odpowiedni sposób wytwarzania oraz pralka zawierająca taki odpływ
ES08425379T ES2356105T3 (es) 2008-05-27 2008-05-27 Dispositivo de desagüe para lavadoras, con válvula de aireación, método de fabricación correspondiente y lavadora que comprende dicho dispositivo.
AT08425379T ATE488632T1 (de) 2008-05-27 2008-05-27 Abfluss einer waschmaschine mit entlüftung mit ventil, herstellungsverfahren dafür und waschmaschine mit einem derartigen abfluss
EP08425379A EP2128326B1 (de) 2008-05-27 2008-05-27 Abfluss einer Waschmaschine mit Entlüftung mit Ventil, Herstellungsverfahren dafür und Waschmaschine mit einem derartigen Abfluss
DE602008003546T DE602008003546D1 (de) 2008-05-27 2008-05-27 Abfluss einer Waschmaschine mit Entlüftung mit Ventil, Herstellungsverfahren dafür und Waschmaschine mit einem derartigen Abfluss

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08425379A EP2128326B1 (de) 2008-05-27 2008-05-27 Abfluss einer Waschmaschine mit Entlüftung mit Ventil, Herstellungsverfahren dafür und Waschmaschine mit einem derartigen Abfluss

Publications (2)

Publication Number Publication Date
EP2128326A1 EP2128326A1 (de) 2009-12-02
EP2128326B1 true EP2128326B1 (de) 2010-11-17

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EP08425379A Active EP2128326B1 (de) 2008-05-27 2008-05-27 Abfluss einer Waschmaschine mit Entlüftung mit Ventil, Herstellungsverfahren dafür und Waschmaschine mit einem derartigen Abfluss

Country Status (5)

Country Link
EP (1) EP2128326B1 (de)
AT (1) ATE488632T1 (de)
DE (1) DE602008003546D1 (de)
ES (1) ES2356105T3 (de)
PL (1) PL2128326T3 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2968531B1 (fr) * 2010-12-10 2014-06-20 Fagorbrandt Sas Appareil electromenager equipe d'un dispositif de vidange
US9204780B2 (en) 2011-02-01 2015-12-08 Electrolux Home Products, Inc. Siphon break apparatus configured to substantially prevent a siphon effect in a fluid conduit of a dishwasher and an associated method
DE102011089625A1 (de) * 2011-12-22 2013-06-27 BSH Bosch und Siemens Hausgeräte GmbH Laugenabpumpstrang für ein Haushaltsgerät zur Pflege von Wäschestücken sowie entsprechendes Haushaltsgerät mit einem Laugenabpumpstrang
EP3103913B1 (de) * 2015-06-10 2018-03-21 Whirlpool Corporation Rohrvorrichtung für ein wasserführendes elektrisches haushaltsgerät

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8008183U1 (de) * 1980-03-25 1980-08-21 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt
DE3234058A1 (de) * 1982-09-14 1984-03-15 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Automatisch gesteuerte trommelwaschmaschine
DE3445006A1 (de) * 1984-12-10 1986-06-19 Fr. Buschjost GmbH & Co, 4970 Bad Oeynhausen Mehrwegeventil

Also Published As

Publication number Publication date
DE602008003546D1 (de) 2010-12-30
ES2356105T3 (es) 2011-04-04
ATE488632T1 (de) 2010-12-15
PL2128326T3 (pl) 2011-05-31
EP2128326A1 (de) 2009-12-02

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