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 PDFInfo
- 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
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 229920001971 elastomer Polymers 0.000 claims abstract description 7
- 239000003599 detergent Substances 0.000 claims abstract description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000000452 restraining effect Effects 0.000 claims description 2
- 229920002379 silicone rubber Polymers 0.000 claims description 2
- 239000004945 silicone rubber Substances 0.000 claims description 2
- 241001274197 Scatophagus argus Species 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
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)
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)
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)
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 |
-
2008
- 2008-05-27 ES ES08425379T patent/ES2356105T3/es active Active
- 2008-05-27 AT AT08425379T patent/ATE488632T1/de not_active IP Right Cessation
- 2008-05-27 PL PL08425379T patent/PL2128326T3/pl unknown
- 2008-05-27 EP EP08425379A patent/EP2128326B1/en active Active
- 2008-05-27 DE DE602008003546T patent/DE602008003546D1/de active Active
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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