EP2559802A1 - 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

Info

Publication number: EP2559802A1
Authority: EP; European Patent Office
Prior art keywords: labyrinth ring; filter; pump; ring; lye pump
Prior art date: 2011-08-18
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.): Granted

Application number

EP11401573A

Other languages

German (de)

English (en)

Other versions

EP2559802B1 (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.)

2011-08-18

Filing date

2011-08-18

Publication date

2013-02-20

2011-08-18 Application filed by Miele und Cie KG filed Critical Miele und Cie KG

2011-08-18 Priority to ES11401573T priority Critical patent/ES2435845T3/es

2011-08-18 Priority to EP11401573.8A priority patent/EP2559802B1/fr

2013-02-20 Publication of EP2559802A1 publication Critical patent/EP2559802A1/fr

2013-10-16 Application granted granted Critical

2013-10-16 Publication of EP2559802B1 publication Critical patent/EP2559802B1/fr

Status Active legal-status Critical Current

2031-08-18 Anticipated expiration legal-status Critical

Links

238000005406 washing Methods 0.000 title claims abstract description 10
238000004140 cleaning Methods 0.000 claims abstract description 5
238000007789 sealing Methods 0.000 claims description 3
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
239000000835 fiber Substances 0.000 claims description 2
230000015572 biosynthetic process Effects 0.000 abstract description 2
239000002245 particle Substances 0.000 abstract 1
230000014759 maintenance of location Effects 0.000 description 3
238000007599 discharging Methods 0.000 description 2
239000003513 alkali Substances 0.000 description 1
238000011109 contamination Methods 0.000 description 1
230000001419 dependent effect Effects 0.000 description 1
239000010419 fine particle Substances 0.000 description 1
230000010354 integration Effects 0.000 description 1
238000012423 maintenance Methods 0.000 description 1
238000012986 modification Methods 0.000 description 1
230000004048 modification 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
- D06F39/10—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 the retention of foreign objects is a labyrinthine Has flow channel in the filter housing.
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.
a substantially streamlined labyrinth design is provided, which is composed of an inner labyrinth ring and an outer labyrinth ring.
the labyrinth rings are each separately on the filter insert formed, so that no more webs are present in the flow channel area, which can retain in particular threads or lint.
the area of the filter housing that provides the function of the foreign body trap, a flow-favorable flow channel. 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 attached to the first labyrinth ring, to form a flow-favorable flooding for fibers or lint of the filter cartridge inserted in the filter housing.
the second outer labyrinth ring is detachably fastened to the first labyrinth ring.
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, it is discharged through the annular gap of the first labyrinth ring, which is then redirected into the U-shaped annular channel, so that the wash water then flows into the hollow bell .
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)
Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Detail Structures Of Washing Machines And Dryers (AREA)

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

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 true EP2559802A1 (fr)	2013-02-20
EP2559802B1 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

Country Status (2)

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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2816150A3 (fr) *	2014-09-24	2015-04-15	V-Zug AG	Appareil ménager à conduite d'eau ayant un filtre à lessive
DE102016201975B3 (de) *	2016-02-10	2017-03-02	BSH Hausgeräte GmbH	Wäschepflegegerät mit einer Pumpe
EP3211130A1 (fr) *	2016-02-25	2017-08-30	Miele & Cie. KG	Couvercle de filtre, élément filtrant et lave-linge
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
CN110952284A (zh) *	2018-09-26	2020-04-03	Bsh家用电器有限公司	具有过滤器元件的洗涤物护理器具

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1989016U (de) *	1968-02-21	1968-07-11	Siemens Elektrogeraete Gmbh	Klammernfalle fuer ein mit einer laugenpumpe ausgeruestetes waeschebehandlungs geraet.
DE6610307U (de) *	1963-08-29	1973-09-06	Siemens Elektrogeraete Gmbh	Mit einer laugenpumpe ausgeruestete waschmaschine.
DE3922629A1 (de)	1989-07-10	1991-01-17	Miele & Cie	Waschmaschine oder waschtrockner mit einem filtereinsatz
EP1201812A1 (fr) *	2000-10-31	2002-05-02	CANDY S.p.A.	Ensemble de filtre pour une machine à laver

2011
- 2011-08-18 ES ES11401573T patent/ES2435845T3/es active Active
- 2011-08-18 EP EP11401573.8A patent/EP2559802B1/fr active Active

Patent Citations (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.
DE3922629A1 (de)	1989-07-10	1991-01-17	Miele & Cie	Waschmaschine oder waschtrockner mit einem filtereinsatz
EP1201812A1 (fr) *	2000-10-31	2002-05-02	CANDY S.p.A.	Ensemble de filtre pour une machine à laver

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP2816150A3 (fr) *	2014-09-24	2015-04-15	V-Zug AG	Appareil ménager à conduite d'eau ayant un filtre à lessive
DE102016201975B3 (de) *	2016-02-10	2017-03-02	BSH Hausgeräte GmbH	Wäschepflegegerät mit einer Pumpe
CN108603326A (zh) *	2016-02-10	2018-09-28	Bsh家用电器有限公司	具有泵的洗涤物护理器具
EP3211130A1 (fr) *	2016-02-25	2017-08-30	Miele & Cie. KG	Couvercle de filtre, élément filtrant et lave-linge
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
CN110952284A (zh) *	2018-09-26	2020-04-03	Bsh家用电器有限公司	具有过滤器元件的洗涤物护理器具
CN110952284B (zh) *	2018-09-26	2023-12-12	Bsh家用电器有限公司	具有过滤器元件的洗涤物护理器具

Also Published As

Publication number	Publication date
EP2559802B1 (fr)	2013-10-16
ES2435845T3 (es)	2013-12-23

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