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EP0752493B1 - Machine à laver avec dispositif pour filtrer le liquide de lavage - Google Patents

Machine à laver avec dispositif pour filtrer le liquide de lavage Download PDF

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Publication number
EP0752493B1
EP0752493B1 EP96201862A EP96201862A EP0752493B1 EP 0752493 B1 EP0752493 B1 EP 0752493B1 EP 96201862 A EP96201862 A EP 96201862A EP 96201862 A EP96201862 A EP 96201862A EP 0752493 B1 EP0752493 B1 EP 0752493B1
Authority
EP
European Patent Office
Prior art keywords
tub
basket
liquid
seat
washing machine
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.)
Expired - Lifetime
Application number
EP96201862A
Other languages
German (de)
English (en)
Other versions
EP0752493A1 (fr
Inventor
Dino Bongini
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.)
Whirlpool EMEA SpA
Original Assignee
Merloni Elettrodomestici 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 Merloni Elettrodomestici SpA filed Critical Merloni Elettrodomestici SpA
Publication of EP0752493A1 publication Critical patent/EP0752493A1/fr
Application granted granted Critical
Publication of EP0752493B1 publication Critical patent/EP0752493B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 
    • D06F39/10—Filtering arrangements

Definitions

  • the present invention has as its subject a laundry washing machine, of the type described in the preamble of the annexed claim 1.
  • liquid filtering means arranged before the pump; such filtering means have to be periodically cleaned, generally depending upon the types of fabric washed.
  • a further problem of the known art derives from the fact that, upon termination of a washing cycle, a certain part of the liquid tends to remain in the drainage piping circuit of the machine, before the pump; therefore, when the user removes the access cover from said filter, for its cleaning, such water residues exit the machine and can leek on to the floor of the room in which the machine is installed.
  • the aim of the present invention is that of overcoming the aforementioned drawbacks and to realise a laundry washing machine equipped with a filtering device of the liquid that is of simple realisation, contained costs and of simple use by way of the user.
  • the number 1 indicates the washing machine as a whole according to the invention; such machine 1 comprises in the known manner, a washing tub 2 within which a washing basket 3 is arranged, having a horizontal axis, which is operated with a rotary motion around such axis.
  • a drainage duct 4 is defined, which enters the intake zone of a pump 5, of the type known, which is operated when the washing cycle provides for a partial or complete emptying of the tub.
  • An auxiliary duct is indicated with 6, the first extremity 6a of which communicates with the inside of the tub 2 and arranged above the level 7 reached by the water during washing due to the effect of the rotation of the basket 3.
  • the second extremity of the auxiliary duct 6 is connected to the drainage duct 4, before the pump 5: advantageously, a union sump 8 is provided on the drainage duct 4, which further lowers the level of the drainage duct 4, and the second extremity of the auxiliary duct 6 joins in fact near to the bottom of such union sump 8.
  • the first extremity 6a of the auxiliary duct 6 is water tightly connected to the lower zone of a water tight bellows seal 10; such seal 10 connects the tub 2 to the loading opening 11 of the machine, to which a loading door 12 is arranged in a known way.
  • a seat is also obtained, indicated with 13, for a filter, indicated with 14; advantageously such filter 14 is housed in the seat 13 in a removable manner.
  • the machine also provides for a programming device, or timer, which supervises the operations of the various washing cycles that can be selected by the user of the machine; such device has not been represented in the figures for reasons of simplicity, inasmuch its realisation and functioning is known.
  • the functioning of the laundry washing machine according to the invention is the following.
  • the user after having loaded the laundry to be washed in the basket 3, through the door 12, selects the desired washing cycle and starts the machine.
  • the programming device of the machine controls the introduction of the water to the tub 2, at the beginning of the washing phase in the strict sense; in practice, during such phase, the washing water coming from the mains is made to pass through an appropriate dispensing device, in itself known and not represented in the figures, so as to transport the detergents to the washing tub 2; the water in the tub is heated by way of appropriate resistences, upon a command of the programmer of the machine, to a suitable temperature to fit the needs, for instance 60°.
  • the basket 3 is made to rotate at a determined speed, under the control of the programming device; the mechanical rotational action of the basket (which produces the movement of the laundry), together with the chemical action (determined by the presence of the detergents) and thermal action (water temperature) allows for obtaining the washing of the laundry.
  • the rotation of the basket 3, combined with the presence of laundry within projects part of the washing liquid contained in the tub 2 against the internal wall of the tub and towards the loading door 12 which, as seen from figure 1, extends in the direction of the tub 2 and towards the interior of the basket (which has the usual frontal opening).
  • part of the washing liquid employed within the laundry washing machine is made to re-circulate by way of the basket 3, the seat 13, the duct 6, the sump 8 and the duct 4.
  • the quantity of washing liquid projected towards the loading door 12 can be increased by using a basket provided with spoons or sacks 19 on its interior surface obtained on the projecting ridges 20 for the movement of the laundry , as can be seen in figure 2, that collect the liquid from the bottom of the tub and project it from above on the laundry below.
  • Such ridges 20 can therefore be shaped so as to also favour the passage of liquid towards the door 12 and the seat 13.
  • the action of recirculating the liquid favours the gathering of fibres and small foreign bodies in the seat 13, in correspondence with the filter 14.
  • This avoids the use of a filter containing a drainage pump as is the case with the known art.
  • the position of the filter 14, according to the invention results in being much more satisfactory if compared to the known art; the same is said for its access, for which no removal of any covering element is required.
  • the ergonomic positioning and the simplified access to the filter 14 therefore stimulates its cleaning by the user, who can also keep the situation under control.
  • Another substantial advantage of the invention consists in that the stylistic line of the machine may not be disturbed by the presence, in the frontal part of the cabinet, of a small access door to the filter as is typical in the known art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Claims (7)

  1. Machine à laver le linge, comportant une cuve de lavage (2) qui renferme un panier de lavage (3), la cuve (2) et le panier (3) ayant des ouvertures respectives face à une ouverture (11) qui est présente dans la carrosserie de la machine (1), dans laquelle
    une porte (12) est prévue pour ladite l'ouverture (11) de la carrosserie,
    un joint (10) est prévu entre l'ouverture (11) de la carrosserie et l'ouverture de la cuve (2),
    une conduite (6, 4, 8) est prévue, afin de remettre en circulation du liquide de lavage agité à l'intérieur de la cuve (2) par le panier (3) en mouvement, la sortie de ladite conduite (6, 4, 8) étant prévue à un niveau inférieur par rapport à l'entrée de celle-ci,
    un élément filtrant (14) est prévu, en étant disposé dans un siège adapté (13), afin de filtrer le liquide remis en circulation,
    caractérisée en ce que ledit siège (13) est prévu dans ledit joint (10) en correspondance avec l'entrée de ladite conduite (6), à un niveau qui est plus élevé que le niveau (7) atteint par le liquide dans la cuve (2) pendant le lavage, ledit siège (13) étant capable de recueillir du liquide agité à l'intérieur de la cuve (2) par le panier (3) en mouvement, d'une manière telle que le liquide recueilli dans ledit siège (13) est filtré par ledit élément filtrant (14) et ensuite remis en circulation à travers ladite conduite (6) dans la cuve de lavage (2).
  2. Machine à laver le linge selon la revendication 1, caractérisée en ce que ladite conduite comprend une conduite (6) s'étendant depuis ledit siège (13) et reliée à une ouverture d'une conduite de vidange (4) du liquide de la machine, qui est disposée sous ladite cuve (2).
  3. Machine à laver le linge selon au moins une des revendications précédentes, caractérisée en ce que ledit élément filtrant (14) est logé dans le siège (13) d'une manière amovible.
  4. Machine à laver le linge selon au moins une des revendications précédentes, caractérisée en ce que ledit élément filtrant (14) est logé dans une position qui est visible par l'utilisateur lors d'une ouverture de ladite porte (12).
  5. Machine à laver le linge selon au moins une des revendications précédentes, caractérisée en ce que ledit panier (3) a sur sa surface interne des nervures en mouvement (20) pour le linge et en ce que lesdites nervures (20) sont d'une forme qui favorise le passage de liquide depuis l'intérieur dudit panier (3) ou de ladite cuve lavage (2) vers ledit siège (13).
  6. Machine à laver le linge selon au moins une des revendications précédentes, caractérisée en ce que la partie interne de ladite porte (12) est d'une forme qui favorise le passage du liquide depuis l'intérieur dudit panier (3) ou de la cuve (2) vers ledit siège (13).
  7. Machine à laver le linge selon au moins une des revendications précédentes, caractérisée en ce que le profil de l'ouverture frontale de ladite cuve (2) et/ou le profil de l'ouverture frontale dudit panier (3) et/ou le profil dudit joint (10) est conformé afin de favoriser un passage substantiel de liquide depuis l'intérieur dudit panier (3) ou de ladite cuve (2) vers ledit siège (13).
EP96201862A 1995-07-06 1996-07-03 Machine à laver avec dispositif pour filtrer le liquide de lavage Expired - Lifetime EP0752493B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT95TO000573A IT1276479B1 (it) 1995-07-06 1995-07-06 Macchina lavabiancheria con mezzi di filtraggio del liquido di lavaggio
ITTO950573 1995-07-06

Publications (2)

Publication Number Publication Date
EP0752493A1 EP0752493A1 (fr) 1997-01-08
EP0752493B1 true EP0752493B1 (fr) 2000-11-02

Family

ID=11413709

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96201862A Expired - Lifetime EP0752493B1 (fr) 1995-07-06 1996-07-03 Machine à laver avec dispositif pour filtrer le liquide de lavage

Country Status (4)

Country Link
EP (1) EP0752493B1 (fr)
DE (1) DE69610796T2 (fr)
ES (1) ES2152484T3 (fr)
IT (1) IT1276479B1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10065342A1 (de) * 2000-12-27 2002-07-04 Bsh Bosch Siemens Hausgeraete Wäschebehandlungsmaschine
EP1956263B1 (fr) * 2007-02-07 2010-08-11 Electrolux Home Products Corporation N.V. Agencement d'unité de montage ou pompe protégée contre les vibrations pour des applications domestiques
US8109121B2 (en) 2007-09-13 2012-02-07 Lg Electronics Inc. Drum type washing machine with gasket drain
KR101441918B1 (ko) * 2007-09-13 2014-09-23 엘지전자 주식회사 드럼 세탁기
DE102008054463A1 (de) * 2008-12-10 2010-06-17 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät zur Pflege von Wäschestücken, mit einer Trommel und einer Manschette
WO2016107640A1 (fr) * 2014-12-30 2016-07-07 Arcelik Anonim Sirketi Système d'évacuation d'eau à soufflet destiné à une machine à laver le linge

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2962886A (en) * 1958-12-12 1960-12-06 Westinghouse Electric Corp Washing apparatus having filtering means
NL7106732A (fr) * 1970-05-22 1971-11-24
IT1273148B (it) * 1994-04-15 1997-07-04 Merloni Elettrodomestici Spa Metodo per il ricircolo del detersivo in una macchina di lavaggio

Also Published As

Publication number Publication date
ITTO950573A1 (it) 1997-01-06
ITTO950573A0 (it) 1995-07-06
DE69610796T2 (de) 2001-03-01
EP0752493A1 (fr) 1997-01-08
DE69610796D1 (de) 2000-12-07
IT1276479B1 (it) 1997-10-31
ES2152484T3 (es) 2001-02-01

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