EP2559802B1 - Pompe à lessive dotée d'une installation de filtre pour un lave-linge - Google Patents

Pompe à lessive dotée d'une installation de filtre pour un lave-linge Download PDF

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Publication number
EP2559802B1
EP2559802B1 EP11401573.8A EP11401573A EP2559802B1 EP 2559802 B1 EP2559802 B1 EP 2559802B1 EP 11401573 A EP11401573 A EP 11401573A EP 2559802 B1 EP2559802 B1 EP 2559802B1
Authority
EP
European Patent Office
Prior art keywords
suds
pump
ring
labyrinth ring
bell
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
EP11401573.8A
Other languages
German (de)
English (en)
Other versions
EP2559802A1 (fr
Inventor
Hermann Bethlehem
Andrea Rottmann
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
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.)
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Publication date
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Priority to EP11401573.8A priority Critical patent/EP2559802B1/fr
Priority to ES11401573T priority patent/ES2435845T3/es
Publication of EP2559802A1 publication Critical patent/EP2559802A1/fr
Application granted granted Critical
Publication of EP2559802B1 publication Critical patent/EP2559802B1/fr
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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 invention relates to a drain pump with filter element for a washing machine for circulating and / or for separating foreign bodies from the wash liquor, and wherein the arranged in a filter housing filter cartridge is accessible from the outside of the machine housing for cleaning purposes, wherein the filter cartridge for retaining debris a labyrinthine Flow channel in the filter housing, wherein the filter insert consists of two separately formed labyrinth rings, wherein a first, inner labyrinth ring is connected to the lid of the filter cartridge.
  • lint filters or heavy body traps are used. While buttons, curtain rolls, etc. are deposited with a heavy body trap, finer foreign bodies such as filaments or fluff can be retained with a lint filter.
  • the filter insert is in this case used in a filter housing, which is also provided with a lint filter in addition to a labyrinth-like flow channel in order to meet in this way, in particular, the retention of fine particles.
  • the use of the filter and the Umflutgeophuses is designed in each case labyrinth-shaped, so that foreign bodies are filtered out and do not block the pump.
  • the use of the Umflutgeophuses must be particularly streamlined in terms of lint and threads, since the entire amount of alkali is pumped several times during the washing phase.
  • the invention is thus based on the object to develop a drain pump in such a way, and here in particular a filter insert used in a filter housing, which provides the longest possible operating times without maintenance and are avoided as possible in the blockages due to flooding.
  • the achievable with the present invention consist in the fact that due to the design of the filter insert according to the invention a much streamlined labyrinth design is provided, which is composed of an inner labyrinth ring and an outer labyrinth ring.
  • each of the labyrinth rings are formed separately on the filter insert, so that no more webs are present in the flow channel area, which can retain in particular threads or lint.
  • the filter insert is bound to position, since the outer labyrinth ring is not placed in the connection area to the filter housing.
  • the filter insert consists of two separately formed labyrinth rings, wherein a first inner labyrinth ring is connected to the lid of the filter cartridge, and wherein the second outer labyrinth ring is releasably secured to the first inner labyrinth ring, forming one for fibers or lint streamlined flooding of the filter insert used in the filter housing.
  • the inner labyrinth ring in the filter housing occupies a sleeve-like inflow space for the wash liquor, which is bounded on the outflow side by a hemisphere designed as a bell.
  • the bell or the circumferential bell edge forms an annular gap at the outlet of the first inner labyrinth ring.
  • this design it is achieved that initially a large inflow space is provided, which is ultimately delimited at the end by the bell, wherein a web-free annular gap is formed around the bell.
  • a tubular element is formed to form the sleeve-like inflow space in the axis of rotation of the lid, at the end of which formed as a hemisphere bell is formed.
  • the bell or hemisphere delimiting the inflow space acquires a rod position within the filter cartridge, thereby forming a first inner web-free labyrinth ring.
  • web elements are formed on the lid edge, which are connected at the end to a ring surrounding the bell.
  • the second outer labyrinth ring extends between the circumference of the bell and the enclosed ring of the annular gap for the first inner labyrinth ring.
  • the second outer labyrinth ring is releasably attached by means of locking hooks.
  • the latching hooks engage the outside of the ring.
  • the second outer labyrinth ring in this case has a U-shaped annular channel, which rests with its inner annular surface on the first inner labyrinth ring.
  • the annular surface engages over the gap of the first inner labyrinth ring and partially the edge of the bell to form a flow path in the hollow chamber of the bell.
  • the wash liquor flows into the inflow chamber, it is removed through the annular gap of the first labyrinth ring, which is then diverted into the U-shaped annular channel, so that the Wash liquor then flows into the hollow bell formed.
  • the second outer labyrinth ring has in its axis of rotation a central opening as a suction channel for a pump on. The swirling in the hemisphere wash liquor is then discharged through the impeller through the intake passage.
  • the axes of rotation of the two labyrinth rings and the axis of rotation of the impeller are arranged coaxially.
  • an intake manifold and transversely to the axis of rotation of the impeller, a pressure port in the filter housing wall are arranged in the upper region of the sleeve-like inflow.
  • the lid of the filter insert at the edge region on an external thread, which cooperates with a arranged on the inner wall of the filter housing internal thread for sealing closure.
  • the invention further relates to a washing machine with a tub arranged in a machine housing in which a drum is rotatably mounted, wherein the tub a drain pump as described above for circulating wash liquor and / or for discharging the wash water from the tub is connected.
  • the FIG. 1 shows a washing machine 1 with a arranged in a machine housing 2 tub 3, in which a drum 4 is rotatably mounted.
  • the tub 3 acts in this case with a drain pump 5, indicated in the FIG. 3 , and with a filter cartridge 6, shown in the FIG. 2 , for circulating and for separating foreign bodies from the wash liquor together.
  • the washing machine 1 has two filter cartridges, wherein the one filter cartridge 6.1 is intended for flooding the wash liquor, and wherein the other filter cartridge 6.2 is intended for discharging the wash liquor in an external sewer, not shown.
  • Each filter element 6.1 and 6.2 is assigned to a separate pump.
  • the filter element 6 is arranged in a filter housing 7, as shown for example in detail in the sectional view of FIG. 3 will be shown.
  • the filter insert 6 can be removed for cleaning from the outside out of the filter housing 7, and be easily used again after cleaning.
  • the filter element 6 has this for the retention of foreign bodies via a labyrinthine flow channel, as indicated by arrows in the FIG. 3 is shown, which extends in the filter housing 7.
  • the filter cartridge 6 consists of two separately formed labyrinth rings 8 and 9, wherein a first inner labyrinth ring 8 is connected to the lid 10 of the filter cartridge 6, and wherein the second outer labyrinth ring 9 is releasably secured to the first labyrinth ring for formation
  • the inner labyrinth ring 8 in the filter housing 7 occupies a sleeve-like inflow space 11 for the wash liquor, which is bounded on the outflow side by a hemisphere 12 in the form of a bell, to form a annular gap 13 at the outlet of the first inner labyrinth ring 8.
  • a tubular element 15 is formed to form the sleeve-like inflow space 11 in the axis of rotation 14 of the lid 10, at the end of which formed as a hemisphere 12 bell is formed.
  • a stable integration of the hemisphere 12 in the filter element 6 is provided in a special way, wherein the bell edge 12a here is free of additional webs.
  • first inner labyrinth ring 8 web elements 16 are integrally formed on the edge of the lid, which are connected at the end to a ring 17 surrounding the hemisphere 12. Between the circumference of the hemisphere 12 and the enclosing ring 17, the annular gap 13 for the outlet of the first inner labyrinth ring 8 extends.
  • FIG. 2 how, in particular, the connection of the second outer labyrinth ring 9 to the first labyrinth ring 8 takes place is shown in FIG. 2 , where clearly in the perspective view to recognize that on the ring 17 of the second outer labyrinth ring 9 is detachably attached by means of latching hooks 18.
  • the second outer labyrinth ring 9 results in particular from the sectional view of FIG. 3 where the second outer labyrinth ring 9 has a U-shaped annular channel 19 which rests with its open annular surface on the first inner labyrinth ring 8.
  • the annular surface in this case engages over the gap 13 of the first inner labyrinth ring 8 as well as partially the edge of the bell to form a flow path in the hollow chamber 20 of the bell, as can be seen with reference to the arrows shown to illustrate the flow path.
  • the second outer labyrinth ring 9 has in its axis of rotation 21 a central opening 22 as a suction channel for a pump wheel 23.
  • the opening 22 is provided with a neck 22a which, in conjunction with the labyrinth ring 9 and 17, forms the U-shaped channel 19 which revolves around the opening.
  • the axes of rotation of the two labyrinth rings 8 and 9 and the rotation axis 21 of the impeller 23 are arranged coaxially, so that acting in the center of the impeller 23 sucks the wash liquor through the labyrinth-like flow path.
  • a suction nozzle 24 and transversely to the axis of rotation 21 of the impeller 23, a pressure port 25 in the filter housing wall 7 are arranged in the upper region of the sleeve-like inflow space 11.
  • the cover 10 of the filter insert 6 has an external thread 26 on the edge region, which cooperates with a female thread arranged on the inner wall of the filter housing 7 for the sealing closure. In this way can be dismantled and mounted by simple tool-free operation of the filter cartridge 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)

Claims (13)

  1. Pompe à lessive (5) avec cartouche filtrante (6) pour une machine à laver (1) pour faire circuler et/ou pour séparer des corps étrangers de la lessive, et la cartouche filtrante (6) disposée dans un boîtier de filtre (7) étant accessible, en vue d'un nettoyage, à partir du côté extérieur du carter de machine (2), la cartouche filtrante (6) présentant, pour retenir des corps étrangers, une conduite d'écoulement (19) du type labyrinthe dans le boîtier de filtre (7), la cartouche filtrante (6) étant constituée de deux bagues à labyrinthe (8 et 9) constituées séparément, la première bague à labyrinthe (8) intérieure étant raccordée au couvercle (10) de la cartouche filtrante (6),
    caractérisée en ce que
    la deuxième bague à labyrinthe (9) extérieure est fixée de façon détachable à la première bague à labyrinthe (8) intérieure afin de permettre de noyer la cartouche filtrante (6) mise en place dans le boîtier de filtre (7) et de favoriser ainsi l'écoulement des fibres ou des peluches.
  2. Pompe à lessive (5) selon la revendication 1,
    caractérisée en ce que
    la bague à labyrinthe (8) intérieure dans le boîtier de filtre (7) occupe un espace d'entrée de flux (11) de la lessive de type douille qui est, côté sortie de flux, limité par un hémisphère (12) constitué en cloche pour la formation d'un interstice (13) annulaire à la sortie de la première bague à labyrinthe (8) intérieure.
  3. Pompe à lessive (5) selon la revendication 2,
    caractérisée en ce que,
    pour la formation de l'espace d'entrée de flux (11) de type douille, il est formé, dans l'axe de rotation (14) du couvercle (10), un élément tubulaire (15) à l'extrémité duquel est formée la cloche constituée en tant qu'hémisphère (12).
  4. Pompe à lessive (5) selon la revendication 3,
    caractérisée en ce que
    des éléments d'entretoise (16) sont formés sur le bord de couvercle et sont raccordés côté extrémité à une bague (17) entourant la cloche.
  5. Pompe à lessive (5) selon la revendication 4,
    caractérisée en ce que,
    entre la circonférence de la cloche et la bague (17) qui l'entoure, s'étend l'interstice annulaire pour la décharge de la première bague à labyrinthe (8) intérieure.
  6. Pompe à lessive (5) selon la revendication 5,
    caractérisée en ce que
    la deuxième bague à labyrinthe (9) extérieure est mise en place de façon détachable sur la bague (17) au moyen de crochets d'encliquetage (18).
  7. Pompe à lessive (5) selon l'une quelconque des revendications 1 à 6, caractérisée en ce que
    la deuxième bague à labyrinthe (9) extérieure présente un conduit annulaire (19) en U qui s'appuie par sa surface annulaire ouverte sur la première bague à labyrinthe (8) intérieure.
  8. Pompe à lessive (5) selon les revendications 2 et 7,
    caractérisée en ce que
    la surface annulaire recouvre l'interstice (13) de la première bague à labyrinthe (8) intérieure ainsi que, par tronçons, le bord de la cloche pour la formation d'une voie d'écoulement vers une chambre creuse (20) de la cloche.
  9. Pompe à lessive (5) selon l'une quelconque des revendications 1 à 8,
    caractérisée en ce que
    la deuxième bague à labyrinthe (9) extérieure présente, dans son axe de rotation (21), une ouverture (22) centrale en tant que conduit d'aspiration pour une roue de pompe (23).
  10. Pompe à lessive (5) selon la revendication 9,
    caractérisée en ce que
    les axes de rotation des deux bagues à labyrinthe (8 et 9) ainsi que l'axe de rotation de la roue de pompe (23) sont disposés de façon coaxiale.
  11. Pompe à lessive (5) selon la revendication 10,
    caractérisée en ce que,
    dans la zone supérieure de l'espace d'entrée de flux (11) de type douille, il est disposé une tubulure d'aspiration (24) ainsi que, transversalement à l'axe de rotation de la roue de pompe (23), une tubulure de refoulement (25) dans la paroi de boîtier de filtre (7).
  12. Pompe à lessive (5) selon la revendication 1,
    caractérisée en ce que
    le couvercle (10) de la cartouche filtrante (6) présente, sur la zone de bord, un filet extérieur (26) qui, pour assurer une fermeture étanche, coopère avec un filet intérieur disposé sur la paroi intérieure du boîtier de filtre (7).
  13. Machine à laver (1), avec une cuve de lessivage (3) disposée dans un carter de machine (2) et dans laquelle est supporté en rotation un tambour (4), dans laquelle une pompe à lessive (5) selon l'une quelconque des revendications 1 à 12 est raccordée sur la cuve de lessivage (3) pour la circulation de lessive et/ou pour l'évacuation de l'eau de lavage hors de la cuve de lessivage (3).
EP11401573.8A 2011-08-18 2011-08-18 Pompe à lessive dotée d'une installation de filtre pour un lave-linge Active EP2559802B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP11401573.8A EP2559802B1 (fr) 2011-08-18 2011-08-18 Pompe à lessive dotée d'une installation de filtre pour un lave-linge
ES11401573T ES2435845T3 (es) 2011-08-18 2011-08-18 Bomba para el líquido de lavado con cartucho de filtro para una máquina lavadora

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11401573.8A EP2559802B1 (fr) 2011-08-18 2011-08-18 Pompe à lessive dotée d'une installation de filtre pour un lave-linge

Publications (2)

Publication Number Publication Date
EP2559802A1 EP2559802A1 (fr) 2013-02-20
EP2559802B1 true EP2559802B1 (fr) 2013-10-16

Family

ID=44983475

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11401573.8A Active EP2559802B1 (fr) 2011-08-18 2011-08-18 Pompe à lessive dotée d'une installation de filtre pour un lave-linge

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EP (1) EP2559802B1 (fr)
ES (1) ES2435845T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL2816150T3 (pl) * 2014-09-24 2018-10-31 V-Zug Ag Prowadzący wodę sprzęt gospodarstwa domowego z filtrem ługu
DE102016201975B3 (de) * 2016-02-10 2017-03-02 BSH Hausgeräte GmbH Wäschepflegegerät mit einer Pumpe
DE102016103335A1 (de) * 2016-02-25 2017-08-31 Miele & Cie. Kg Filterdeckel, Filtereinsatz und Waschmaschine
CN107523975A (zh) * 2017-09-27 2017-12-29 青岛海尔洗衣机有限公司 一种空气过滤器及具有其的干衣设备
DE102018216396A1 (de) * 2018-09-26 2020-03-26 BSH Hausgeräte GmbH Wäschepflegegerät mit einem Filterelement

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6610307U (de) * 1963-08-29 1973-09-06 Siemens Elektrogeraete Gmbh Mit einer laugenpumpe ausgeruestete waschmaschine.
DE1989016U (de) * 1968-02-21 1968-07-11 Siemens Elektrogeraete Gmbh Klammernfalle fuer ein mit einer laugenpumpe ausgeruestetes waeschebehandlungs geraet.
DE3922629C2 (de) 1989-07-10 1998-05-07 Miele & Cie Waschmaschine oder Waschtrockner mit einem Filtereinsatz
DE60021728T2 (de) * 2000-10-31 2006-04-06 Candy S.P.A., Monza Filtereinheit fuer eine Waschmaschine

Also Published As

Publication number Publication date
EP2559802A1 (fr) 2013-02-20
ES2435845T3 (es) 2013-12-23

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