EP2123821B1 - Elektrische Haushaltswaschmaschine - Google Patents

Elektrische Haushaltswaschmaschine Download PDF

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Publication number
EP2123821B1
EP2123821B1 EP08156765A EP08156765A EP2123821B1 EP 2123821 B1 EP2123821 B1 EP 2123821B1 EP 08156765 A EP08156765 A EP 08156765A EP 08156765 A EP08156765 A EP 08156765A EP 2123821 B1 EP2123821 B1 EP 2123821B1
Authority
EP
European Patent Office
Prior art keywords
pipe
filtering device
electric household
wash fluid
household appliance
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
EP08156765A
Other languages
English (en)
French (fr)
Other versions
EP2123821A1 (de
Inventor
Ivan Monticco
Andrea Mazzon
Matteo Del Puppo
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.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
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 Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to EP08156765A priority Critical patent/EP2123821B1/de
Priority to PL08156765T priority patent/PL2123821T3/pl
Priority to AT08156765T priority patent/ATE504686T1/de
Priority to DE602008006043T priority patent/DE602008006043D1/de
Priority to ES08156765T priority patent/ES2364599T3/es
Priority to PCT/EP2009/003342 priority patent/WO2009141070A1/en
Publication of EP2123821A1 publication Critical patent/EP2123821A1/de
Application granted granted Critical
Publication of EP2123821B1 publication Critical patent/EP2123821B1/de
Not-in-force 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
    • 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
    • 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 
    • D06F39/10—Filtering arrangements

Definitions

  • the present invention relates to an electric household washing appliance, in particular a dishwasher or washing machine.
  • an appliance comprising a wash tub for washing articles; a hydraulic pipe for feeding a wash fluid from the wash tub to a drain; a filtering device fitted along the hydraulic pipe to remove any foreign bodies from the wash fluid; and a feed pump fitted along the hydraulic pipe, between the filtering device and the drain.
  • EP-A-1 688 530 discloses a clothes washing machine comprising a washing tub and a drain pipe provided under the tub and connecting it with a drain pump chamber; the drain pipe comprises a central length and a final length oriented horizontally towards the drain pump chamber.
  • This washing machine comprises a hydraulic impeller provided within the drain pump chamber.
  • an auxiliary filtering chamber connected to the final length via a horizontal aperture provided in the bottom wall of the final length. The horizontal aperture is situated at the beginning of the final length, as viewed in the direction of flow of the liquor being let off the tub.
  • the auxiliary filtering chamber is provided with a bottom wall connected to the central length via a smoothly radiused union that is concave towards the interior of the central length.
  • an electric household washing appliance as claimed in the accompanying Claims.
  • Number 1 in Figures 1 and 2 indicates as a whole an electric household appliance for washing articles (not shown), and which, in the example shown, is defined by a washing machine comprising a substantially parallelepiped-shaped casing 2; and a substantially cylindrical wash tub 3, which has a longitudinal axis 4, is mounted inside casing 2, and houses a substantially cylindrical drum 5 connected to tub 3 and rotated, with respect to tub 3, about axis 4 by a known actuating device not shown.
  • Washing machine 1 also comprises a drain circuit 6 for feeding a wash fluid, normally water and detergent, from tub 3 to a drain 7 connected to the water mains.
  • a wash fluid normally water and detergent
  • Circuit 6 comprises a first hydraulic pipe 8 extending between tub 3 and drain 7; a reversible feed pump 9 located along pipe 8 and having an impeller 10 mounted to rotate in two opposite directions; and a first filtering device 11 fitted along pipe 8, between tub 3 and pump 9, to remove any foreign bodies 12 from the wash fluid drained along circuit 6.
  • Pipe 8 is also fitted with a valve device 13 comprising an on/off member 14, which is fitted inside pipe 8, between tub 3 and filtering device 11, and is mounted to rotate about a hinge axis 15, with respect to pipe 8 and as explained in detail below, between an open position ( Figure 3 ) and a closed position ( Figure 4 ) opening and closing pipe 8 respectively.
  • a valve device 13 comprising an on/off member 14, which is fitted inside pipe 8, between tub 3 and filtering device 11, and is mounted to rotate about a hinge axis 15, with respect to pipe 8 and as explained in detail below, between an open position ( Figure 3 ) and a closed position ( Figure 4 ) opening and closing pipe 8 respectively.
  • Circuit 6 also comprises a second hydraulic pipe 16, which is mounted parallel to a portion 17 of pipe 8 housing device 11, is located below portion 17, and houses a second filtering device 18.
  • filtering device 11 is designed to remove smaller foreign bodies 12 than filtering device 18.
  • filtering devices 11, 18 are replaced with a single filtering device of the same filtration capacity along both pipe 16 and portion 17.
  • Pipe 16 and portion 17 are housed inside a drawer 19 fitted to casing 2 to slide to and from an extracted position, in which drawer 19 projects outwards of casing 2 to permit cleaning of filtering devices 11, 18, particularly filtering device 18.
  • pump 9 is operated (clockwise in Figure 3 ) to feed the wash fluid along pipes 8 and 16 to drain 7 and out of washing machine 1 in a given direction 20; on/off member 14 is rotated (anticlockwise in Figure 3 ) by the wash fluid from the closed to the open position; large foreign bodies 12, such as coins and/or buttons, fall by gravity into pipe 16 and are retained by filtering device 18; and small foreign bodies 12, such as threads and/or fluff, are retained by filtering devices 11, 18.
  • impeller 10 When normal drain-off is completed ( Figure 4 ), impeller 10 is rotated in the opposite direction to before (anticlockwise in Figure 4 ) to feed the wash fluid through filtering device 11 in the opposite direction 21 to direction 20; on/off member 14 is rotated (clockwise in Figure 4 ) by the wash fluid from the open to the closed position; and the wash fluid is fed successively along portion 17 and pipe 16, i.e. successively through filtering devices 11 and 18.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Detergent Compositions (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Cleaning In General (AREA)
  • Sink And Installation For Waste Water (AREA)

Claims (11)

  1. Elektrisches Haushaltsgerät zum Waschen, insbesondere ein Geschirrspüler oder eine Waschmaschine, wobei das Gerät umfasst: einen Waschbehälter (3) zum Waschen von Gegenständen; eine erste Leitung (8) zum Leiten einer Waschflüssigkeit vom Waschbehälter (3) zu einem Ablauf (7), durch den die Waschflüssigkeit aus dem Gerät abgelassen wird; eine erste Filtervorrichtung (11), die entlang der ersten Leitung (8) angeordnet ist; und eine Pumpe (9), die entlang der ersten Leitung (8) zwischen der ersten Filtervorrichtung (11) und dem Ablauf (7) angeordnet ist; dadurch gekennzeichnet, dass es auch eine zweite Leitung (16) umfasst, die parallel zur ersten Leitung (8) angeordnet ist und mit einer Rückhaltevorrichtung (18) zum Zurückhalten von Fremdkörpern (12) versehen ist, die in der Waschflüssigkeit enthalten sind; wobei die Pumpe (9) reversibel arbeitet, um Waschflüssigkeit selektiv vom Waschbehälter (3) zum Ablauf (7) oder nacheinander durch die erste Filtervorrichtung (11) und die Rückhaltevorrichtung (18) zu leiten.
  2. Elektrisches Haushaltsgerät nach Anspruch 1, darüber hinaus umfassend eine Ventilvorrichtung (13), die entlang der ersten Leitung (8) zwischen dem Waschbehälter (3) und der ersten Filtervorrichtung (11) angeordnet ist und zwischen einer offenen Stellung und einer geschlossenen Stellung beweglich ist, in der die erste Leitung (8) geöffnet bzw. geschlossen ist.
  3. Elektrisches Haushaltsgerät nach Anspruch 2, wobei die Ventilvorrichtung (13) ein Rückschlagventil umfasst, das durch die Waschflüssigkeit, die vom Waschbehälter (3) zum Ablauf (7) strömt, von der geschlossenen Stellung in die offene Stellung gebracht werden kann, und das durch die Waschflüssigkeit, die nacheinander durch die erste Filtervorrichtung (11) und die Rückhaltevorrichtung (18) strömt, von der offenen Stellung in die geschlossene Stellung gebracht werden kann.
  4. Elektrisches Haushaltsgerät nach Anspruch 2 oder 3, wobei die Ventilvorrichtung (13) ein Ein-/Aus-Element (14) umfasst, das in der ersten Leitung (8) angeordnet ist und durch die Waschflüssigkeit zwischen der offenen Stellung und der geschlossenen Stellung bewegt werden kann.
  5. Elektrisches Haushaltsgerät nach einem der vorhergehenden Ansprüche, wobei die Rückhaltevorrichtung (18) eine zweite Filtervorrichtung (18) umfasst, die in der zweiten Leitung (16) untergebracht ist.
  6. Elektrisches Haushaltsgerät nach Anspruch 5, wobei die erste Filtervorrichtung (11) derart ausgestaltet ist, dass sie kleinere Fremdkörpern (12) als die zweite Filtervorrichtung (18) zurückhält.
  7. Elektrisches Haushaltsgerät nach einem der vorhergehenden Ansprüche, darüber hinaus umfassend ein Gehäuse (2), das den Waschbehälter (3), die erste Leitung (8) und die zweite Leitung (16) aufnimmt; und eine Schublade (19), die aus dem Gehäuse (2) herausgezogen werden kann und mindestens die Rückhaltevorrichtung (18) aufnimmt.
  8. Elektrisches Haushaltsgerät nach Anspruch 7, wobei die Schublade (19) die erste Filtervorrichtung (11) und die Rückhaltevorrichtung (18) aufnimmt.
  9. Elektrisches Haushaltsgerät nach einem der vorhergehenden Ansprüche, wobei die Pumpe (9) ein Flügelrad (10) umfasst, das sich in einer ersten Rotationsrichtung dreht, um die Waschflüssigkeit in einer gegebenen ersten Richtung (20) durch die erste Filtervorrichtung (11) zu leiten, und das sich in einer zweiten Rotationsrichtung dreht, die der ersten Rotationsrichtung entgegengesetzt ist, um die Waschflüssigkeit in einer zweiten Richtung (21), die der ersten Richtung (20) entgegengesetzt ist, durch die erste Filtervorrichtung (11) zu leiten.
  10. Elektrisches Haushaltsgerät nach einem der vorhergehenden Ansprüche, wobei die Pumpe (9) ein Flügelrad (10) umfasst, das sich in einer ersten Rotationsrichtung dreht, um die Waschflüssigkeit auf parallele Weise entlang der ersten und zweiten Leitung (8, 16) zu leiten, und das sich in einer zweiten Rotationsrichtung dreht, die der ersten Rotationsrichtung entgegengesetzt ist, um die Waschflüssigkeit nacheinander durch die erste Filtervorrichtung (11) und die Rückhaltevorrichtung (18) zu leiten.
  11. Elektrisches Haushaltsgerät nach einem der vorhergehenden Ansprüche, wobei die zweite Leitung (16) parallel zu einem Teil (17) der ersten Leitung (8) montiert ist, die die erste Filtervorrichtung (11) aufnimmt.
EP08156765A 2008-05-22 2008-05-22 Elektrische Haushaltswaschmaschine Not-in-force EP2123821B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP08156765A EP2123821B1 (de) 2008-05-22 2008-05-22 Elektrische Haushaltswaschmaschine
PL08156765T PL2123821T3 (pl) 2008-05-22 2008-05-22 Elektryczne urządzenie gospodarstwa domowego do prania/mycia
AT08156765T ATE504686T1 (de) 2008-05-22 2008-05-22 Elektrische haushaltswaschmaschine
DE602008006043T DE602008006043D1 (de) 2008-05-22 2008-05-22 Elektrische Haushaltswaschmaschine
ES08156765T ES2364599T3 (es) 2008-05-22 2008-05-22 Aparato electrodoméstico de lavar.
PCT/EP2009/003342 WO2009141070A1 (en) 2008-05-22 2009-05-12 Electric household washing appliance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08156765A EP2123821B1 (de) 2008-05-22 2008-05-22 Elektrische Haushaltswaschmaschine

Publications (2)

Publication Number Publication Date
EP2123821A1 EP2123821A1 (de) 2009-11-25
EP2123821B1 true EP2123821B1 (de) 2011-04-06

Family

ID=39876841

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08156765A Not-in-force EP2123821B1 (de) 2008-05-22 2008-05-22 Elektrische Haushaltswaschmaschine

Country Status (6)

Country Link
EP (1) EP2123821B1 (de)
AT (1) ATE504686T1 (de)
DE (1) DE602008006043D1 (de)
ES (1) ES2364599T3 (de)
PL (1) PL2123821T3 (de)
WO (1) WO2009141070A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022213808A1 (de) 2022-12-16 2024-06-27 E.G.O. Elektro-Gerätebau GmbH Wasserführendes Haushaltsgerät

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020215691A1 (de) * 2020-12-11 2022-06-15 BSH Hausgeräte GmbH Filtersystem für ein wasserführendes haushaltsgerät, wasserführendes haushaltsgerät und verfahren zum ableiten von fluid aus einem behandlungsraum

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5493745A (en) * 1994-12-29 1996-02-27 Whirlpool Corporation Recirculation pump system for a washing machine
EP1688530B1 (de) 2005-02-08 2013-12-25 Electrolux Home Products Corporation N.V. Wäschewaschmaschine mit verbesserter Filtereinheit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022213808A1 (de) 2022-12-16 2024-06-27 E.G.O. Elektro-Gerätebau GmbH Wasserführendes Haushaltsgerät

Also Published As

Publication number Publication date
ES2364599T3 (es) 2011-09-07
DE602008006043D1 (de) 2011-05-19
ATE504686T1 (de) 2011-04-15
WO2009141070A1 (en) 2009-11-26
EP2123821A1 (de) 2009-11-25
PL2123821T3 (pl) 2011-10-31

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