EP2128326B1 - Washer drain with valved vent, relevant manufacturing method and washer comprising such drain - Google Patents

Washer drain with valved vent, relevant manufacturing method and washer comprising such drain 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
Authority
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
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2128326A1 (en
Inventor
Lucio Gastaldelli
Mauro Tosi
Luca Bicego
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 DE602008003546T priority Critical patent/DE602008003546D1/de
Priority to PL08425379T priority patent/PL2128326T3/pl
Priority to ES08425379T priority patent/ES2356105T3/es
Priority to EP08425379A priority patent/EP2128326B1/en
Priority to AT08425379T priority patent/ATE488632T1/de
Publication of EP2128326A1 publication Critical patent/EP2128326A1/en
Application granted granted Critical
Publication of EP2128326B1 publication Critical patent/EP2128326B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Check Valves (AREA)
  • Filtering Materials (AREA)
  • Valve Housings (AREA)
  • Treatment Of Fiber Materials (AREA)
EP08425379A 2008-05-27 2008-05-27 Washer drain with valved vent, relevant manufacturing method and washer comprising such drain Active EP2128326B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE602008003546T DE602008003546D1 (de) 2008-05-27 2008-05-27 Abfluss einer Waschmaschine mit Entlüftung mit Ventil, Herstellungsverfahren dafür und Waschmaschine mit einem derartigen Abfluss
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.
EP08425379A EP2128326B1 (en) 2008-05-27 2008-05-27 Washer drain with valved vent, relevant manufacturing method and washer comprising such drain
AT08425379T ATE488632T1 (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 (en) 2008-05-27 2008-05-27 Washer drain with valved vent, relevant manufacturing method and washer comprising such drain

Publications (2)

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

Family

ID=40032735

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08425379A Active EP2128326B1 (en) 2008-05-27 2008-05-27 Washer drain with valved vent, relevant manufacturing method and washer comprising such drain

Country Status (5)

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

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 (en) * 2015-06-10 2018-03-21 Whirlpool Corporation A pipe device for a water-conducting electrical household appliance

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8008183U1 (es) * 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
ATE488632T1 (de) 2010-12-15
PL2128326T3 (pl) 2011-05-31
ES2356105T3 (es) 2011-04-04
EP2128326A1 (en) 2009-12-02
DE602008003546D1 (de) 2010-12-30

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