EP2559802A1 - Lye pump with filter insert for a washing machine - Google Patents
Lye pump with filter insert for a washing machine Download PDFInfo
- Publication number
- EP2559802A1 EP2559802A1 EP11401573A EP11401573A EP2559802A1 EP 2559802 A1 EP2559802 A1 EP 2559802A1 EP 11401573 A EP11401573 A EP 11401573A EP 11401573 A EP11401573 A EP 11401573A EP 2559802 A1 EP2559802 A1 EP 2559802A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- labyrinth ring
- filter
- pump
- ring
- lye pump
- 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.)
- Granted
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.
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- 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)
Abstract
Description
Die Erfindung betrifft eine Laugenpumpe mit Filtereinsatz für eine Waschmaschine zum Umwälzen und/oder zum Abscheiden von Fremdkörpern aus der Waschlauge, und wobei der in einem Filtergehäuse angeordnete Filtereinsatz von der Außenseite des Maschinengehäuses zu Reinigungszwecken zugänglich ist, wobei der Filtereinsatz zur Zurückhaltung von Fremdkörpern einen labyrinthartigen Strömungskanal in dem Filtergehäuse aufweist.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.
Um die Laugenpumpe einer Wäschebehandlungsmaschine vor Verunreinigungen und Beschädigungen durch Fremdkörper zu schützen, werden Flusenfilter oder Schwerkörperfallen eingesetzt. Während mit einer Schwerkörperfalle Knöpfe, Gardinenrollen etc. abgeschieden werden, können mit einem Flusenfilter auch feinere Fremdkörper, wie Fäden bzw. Flusen zurückgehalten werden. So ist beispielsweise aus der
Der Erfindung liegt somit die Aufgabe zu Grunde, eine Laugenpumpe derart weiterzubilden, und hier insbesondere einen in einem Filtergehäuse eingesetzten Filtereinsatz, die möglichst lange Betriebszeiten ohne Wartung bereitstellt und bei der Verstopfungen aufgrund von Verflusungen möglichst vermieden werden.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.
Erfindungsgemäß wird dieses Problem mit einer Laugenpumpe mit den Merkmalen des Anspruchs 1 gelöst. Vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den nachfolgenden abhängigen Unteransprüchen.According to the invention this problem is solved with a drain pump with the features of claim 1. Advantageous embodiments and modifications of the invention will become apparent from the following dependent subclaims.
Die mit der Erfindung erreichbaren Vorteile bestehen nun darin, dass aufgrund der Ausgestaltung des erfindungsgemäßen Filtereinsatzes eine wesentlich strömungsgünstigere Labyrinthausführung bereitgestellt wird, die sich aus einem inneren Labyrinthring und einem äußeren Labyrinthring zusammensetzt. Hierbei sind jeweils die Labyrinthringe separat am Filtereinsatz ausgebildet, so dass keine Stege mehr im Strömungskanalbereich vorhanden sind, die insbesondere Fäden oder Flusen zurückhalten können. Insgesamt verfügt der Bereich des Filtergehäuses, der die Funktion der Fremdkörperfalle bereitstellt, einen strömungsgünstigen Strömungskanal. Der Filtereinsatz ist lagegebunden, da der äußere Labyrinthring nicht im Verbindungsbereich zum Filtergehäuse platziert ist.The advantages achievable with the invention consist in the fact that, due to the design of the filter insert according to the invention, a substantially streamlined labyrinth design is provided, which is composed of an inner labyrinth ring and an outer labyrinth ring. Here, 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. Overall, 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.
Erfindungsgemäß wird hierzu vorgeschlagen, dass der Filtereinsatz aus zwei separat ausgebildeten Labyrinthringen besteht, wobei ein erster innerer Labyrinthring mit dem Deckel des Filtereinsatzes verbunden ist, und wobei der zweite äußere Labyrinthring an dem ersten Labyrinthring angebracht ist, zur Bildung einer für Fasern oder Flusen strömungsgünstigen Umflutung des in dem Filtergehäuse eingesetzten Filtereinsatzes. Hierbei ist es zweckmäßig, dass der zweite äußere Labyrinthring an dem ersten Labyrinthring lösbar befestigt ist. Dabei nimmt der innere Labyrinthring in dem Filtergehäuse einen hülsenartigen Einströmraum für die Waschlauge ein, der ausströmseitig von einer als Glocke ausgebildeten Halbkugel begrenzt ist. Die Glocke bzw. der umlaufende Glockenrand bildet hierbei einen ringförmigen Spalt am Auslass des ersten inneren Labyrinthringes. Aufgrund dieser Ausbildung wird einerseits erreicht, dass zunächst ein großer Einströmraum bereitgestellt wird, der letztendlich am Ende durch die Glocke begrenzt wird, wobei um die Glocke ein stegfreier ringförmiger Spalt gebildet ist.According to the invention it is proposed for this purpose that 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. It is expedient here for the second outer labyrinth ring to be detachably fastened to the first labyrinth ring. In this case, 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. On the one hand, due to 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.
Dabei ist zur Bildung des hülsenartigen Einströmraumes in der Rotationsachse des Deckels ein Rohrelement angeformt, an dessen Ende die als Halbkugel ausgebildete Glocke angeformt ist. Somit erhält die den Einströmraum begrenzende Glocke bzw. Halbkugel eine Stabillage innerhalb des Filtereinsatzes, so dass sich dadurch ein erster innerer stegfreier Labyrinthring bildet.In this case, 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. Thus, 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.
In Weiterbildung der Erfindung sind am Deckelrand Stegelemente angeformt, welche endseitig mit einem die Glocke umgebenden Ring verbunden sind. Dabei erstreckt sich zwischen dem Umfang der Glocke und dem eingefassten Ring der ringförmige Spalt für den ersten inneren Labyrinthring. An diesem Ring ist der zweite äußere Labyrinthring mittels Rasthaken lösbar angesetzt. Die Rasthaken greifen hierbei außen an den Ring an. Der zweite äußere Labyrinthring weist hierbei einen U-förmigen Ringkanal auf, der mit seiner inneren Ringfläche an dem ersten inneren Labyrinthring anliegt. Dabei übergreift die Ringfläche den Spalt des ersten inneren Labyrinthringes sowie bereichsweise den Rand der Glocke zur Bildung eines Strömungsweges in die Hohlkammer der Glocke. Es versteht sich nun von selbst, dass, wenn in die Einströmkammer die Waschlauge einströmt, diese durch den Ringspalt des ersten Labyrinthringes abgeführt wird, wobei diese dann in den U-förmigen Ringkanal umgeleitet wird, so dass die Waschlauge dann in die hohl ausgebildete Glocke einströmt. Dabei weist der zweite äußere Labyrinthring in seiner Rotationsachse eine zentrale Öffnung als Ansaugkanal für ein Pumpenrad auf. Die in der Halbkugel verwirbelte Waschlauge wird dann über das Pumpenrad durch den Ansaugkanal abgefördert. Hierbei sind die Rotationsachsen der beiden Labyrinthringe sowie die Rotationsachse des Pumpenrades koaxial angeordnet.In a further development of the invention, web elements are formed on the lid edge, which are connected at the end to a ring surrounding the bell. In this case, extends between the circumference of the bell and the enclosed ring of the annular gap for the first inner labyrinth ring. At this 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. In this case, 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. It goes without saying that, when in the inflow chamber, 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 , In this case, 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. Here, the axes of rotation of the two labyrinth rings and the axis of rotation of the impeller are arranged coaxially.
Nach einer besonders vorteilhaften Ausgestaltung sind im oberen Bereich des hülsenartigen Einströmraumes ein Ansaugstutzen sowie quer zur Rotationsachse des Pumpenrades ein Druckstutzen in der Filtergehäusewand angeordnet. In Weiterbildung weist der Deckel des Filtereinsatzes am Randbereich ein Außengewinde auf, welches mit einem an der Innenwand des Filtergehäuses angeordneten Innengewinde zum dichtenden Verschluss zusammenwirkt.According to a particularly advantageous embodiment, 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. In a further development, 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.
Die Erfindung betrifft ferner eine Waschmaschine mit einem in einem Maschinengehäuse angeordneten Laugenbehälter in dem eine Trommel drehbar gelagert ist, wobei an dem Laugenbehälter eine Laugenpumpe wie vorstehend beschrieben zum Umwälzen von Waschlauge und/oder zum Ablassen des Waschwassers aus dem Laugenbehälter angeschlossen ist.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.
Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen rein schematisch dargestellt und wird nachfolgend näher beschrieben. Es zeigt:
- Figur 1
- eine perspektivische Darstellung einer Waschmaschine mit Filtergehäuse;
Figur 2- eine perspektivische Darstellung des erfindungsgemäßen Filtereinsatzes;
Figur 3- eine geschnittene Seitenansicht des Filtereinsatzes gemäß der Erfindung, eingesetzt in einem Filtergehäuse.
- FIG. 1
- a perspective view of a washing machine with filter housing;
- FIG. 2
- a perspective view of the filter insert according to the invention;
- FIG. 3
- a sectional side view of the filter cartridge according to the invention, used in a filter housing.
Die
Gemäß der Erfindung besteht hierbei der Filtereinsatz 6 aus zwei separat ausgebildeten Labyrinthringen 8 und 9, wobei ein erster innerer Labyrinthring 8 mit dem Deckel 10 des Filtereinsatzes 6 verbunden ist, und wobei der zweite äußere Labyrinthring 9 an dem ersten Labyrinthring lösbar befestigt ist, zur Bildung einer für Fasern oder Flusen strömungsgünstigen Umflutung des in dem Filtergehäuse 7 eingesetzten Filtereinsatzes 6. Hierzu nimmt der innere Labyrinthring 8 in dem Filtergehäuse 7 einen hülsenartigen Einströmraum 11 für die Waschlauge ein, der ausströmseitig von einer als Glocke ausgebildeten Halbkugel 12 begrenzt ist, zur Bildung eines ringförmigen Spaltes 13 am Auslass des ersten inneren Labyrinthringes 8. Wie insbesondere in der Zusammenschau der
In Weiterbildung des ersten inneren Labyrinthringes 8 sind am Deckelrand Stegelemente 16 angeformt, welche endseitig mit einem die Halbkugel 12 umgebenden Ring 17 verbunden sind. Zwischen dem Umfang der Halbkugel 12 und dem einfassenden Ring 17 erstreckt sich der ringförmige Spalt 13 für den Auslass des ersten inneren Labyrinthringes 8. Wie insbesondere die Anbindung des zweiten äußeren Labyrinthringes 9 an den ersten Labyrinthring 8 sich vollzieht, ergibt sich aus der
Wie sich der zweite äußere Labyrinthring 9 im Einzelnen darstellt, ergibt sich insbesondere aus der geschnittenen Darstellung der
In Weiterbildung der Erfindung sind im oberen Bereich des hülsenartigen Einströmraumes 11 ein Ansaugstutzen 24 sowie quer zur Rotationsachse 21 des Pumpenrades 23 ein Druckstutzen 25 in der Filtergehäusewand 7 angeordnet. Es versteht sich nun von selbst, dass über den Ansaugstutzen 24 hier zunächst die Waschlauge in dem Einströmraum 11 gesaugt wird, wobei die Waschlauge hier kurz gestaut wird durch die Halbkugel 12, bevor die Waschlauge dann durch die Spaltführung der beiden Labyrinthringe 8 und 9 zum Pumpenrad 23 geführt wird, welches die Waschlauge dann durch den Druckstutzen 25 entweder wieder in den Laugenbehälter 3 fördert oder über eine Ablaufleitung abfördert.In a further development of the invention, a
In Weiterbildung weist hierbei der Deckel 10 des Filtereinsatzes 6 am Randbereich ein Außengewinde 26 auf, welches mit einem an der Innenwand des Filtergehäuses 7 angeordneten Innengewinde zum dichtenden Verschluss zusammenwirkt. Auf diese Weise kann durch einfaches werkzeugloses Betätigen der Filtereinsatz 6 demontiert und montiert werden.In a further development, the
Claims (14)
dass der Filtereinsatz (6) aus zwei separat ausgebildeten Labyrinthringen (8) und (9) besteht, wobei ein erster, innerer Labyrinthring (8) mit dem Deckel (10) des Filtereinsatzes (6) verbunden ist, und wobei der zweite, äußere Labyrinthring (9) an dem ersten, inneren Labyrinthring (8) angebracht ist, zur Bildung einer für Fasern oder Flusen strömungsgünstigen Umflutung des in dem Filtergehäuse (7) eingesetzten Filtereinsatzes (6).Lase pump (5) with filter insert (6) for a washing machine (1) for circulating and / or separating foreign bodies from the wash liquor, and wherein in a filter housing (7) arranged filter insert (6) from the outside of the machine housing (2) is accessible for cleaning purposes, wherein the filter element (6) for retaining debris has a labyrinthine flow channel (19) in the filter housing (7), characterized
that the filter insert (6) consists of two separately formed labyrinth rings (8) and (9), wherein a first, inner labyrinth ring (8) with the cover (10) of the filter insert (6) is connected, and wherein the second, outer labyrinth ring (9) is attached to the first, inner labyrinth ring (8), to form a streamlined for fibers or fluff flooding of the filter insert (7) inserted in the filter cartridge (6).
dadurch gekennzeichnet,
dass der zweite, äußere Labyrinthring (9) an dem ersten inneren Labyrinthring (8) lösbar befestigt ist.Lye pump (5) according to claim 1,
characterized,
in that the second outer labyrinth ring (9) is releasably attached to the first inner labyrinth ring (8).
dadurch gekennzeichnet,
dass der innere Labyrinthring (8) in dem Filtergehäuse (7) einen hülsenartigen Einströmraum (11) für die Waschlauge einnimmt, der ausströmseitig von einer als Glocke ausgebildeten Halbkugel (12) begrenzt ist, zur Bildung eines ringförmigen Spaltes (13) am Auslass des ersten inneren Labyrinthringes (8).Lye pump (5) according to claim 1 or 2,
characterized,
in that the inner labyrinth ring (8) in the filter housing (7) occupies a sleeve-like inlet space (11) for the wash liquor which is bounded on the outflow side by a bell-shaped hemisphere (12) to form an annular gap (13) at the outlet of the first inner labyrinth ring (8).
dadurch gekennzeichnet,
dass zur Bildung des hülsenartigen Einströmraumes (11) in der Rotationsachse (14) des Deckels (10) ein Rohrelement (15) angeformt ist, an dessen Ende die als Halbkugel (12) ausgebildete Glocke angeformt ist.Lye pump (5) according to claim 3,
characterized,
in that, to form the sleeve-like inflow space (11), a tubular element (15) is integrally formed in the axis of rotation (14) of the cover (10), at the end of which the bell formed as a hemisphere (12) is formed.
dadurch gekennzeichnet,
dass am Deckelrand Stegelemente (16) angeformt sind, welche endseitig mit einem die Glocke umgebenden Ring (17) verbunden sind.Lye pump (5) according to claim 4,
characterized,
that web elements (16) are integrally formed on the edge of the cover, which are connected at the end to a ring (17) surrounding the bell.
dadurch gekennzeichnet,
dass zwischen dem Umfang der Glocke und dem einfassenden Ring (17) sich der ringförmige Spalt für den Auslass des ersten inneren Labyrinthringes (8) erstreckt.Lye pump (5) according to claim 5,
characterized,
in that the annular gap for the outlet of the first inner labyrinth ring (8) extends between the circumference of the bell and the enclosing ring (17).
dadurch gekennzeichnet,
dass an dem Ring (17) der zweite äußere Labyrinthring (9) mittels Rasthaken (18) lösbar angesetzt ist.Lye pump (5) according to claim 6,
characterized,
in that the second outer labyrinth ring (9) is releasably attached to the ring (17) by means of latching hooks (18).
dadurch gekennzeichnet,
dass der zweite äußere Labyrinthring (9) einen U-förmigen Ringkanal (19) aufweist, der mit seiner offenen Ringfläche an dem ersten inneren Labyrinthring (8) anliegt.Lye pump (5) according to one of claims 1 to 7,
characterized,
in that 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).
dadurch gekennzeichnet,
dass die Ringfläche den Spalt (13) des ersten inneren Labyrinthringes (8) sowie bereichsweise den Rand der Glocke zur Bildung eines Strömungswegs in die Hohlhammer (20) der Glocke übergreift.Lye pump (5) according to claim 3 and 8,
characterized,
in that the annular surface engages over the gap (13) of the first inner labyrinth ring (8) as well as partially over the edge of the bell to form a flow path into the hollow hammer (20) of the bell.
dadurch gekennzeichnet,
dass der zweite äußere Labyrinthring (9) in seiner Rotationsachse (21) eine zentrale Öffnung (22) als Ansaugkanal für ein Pumpenrad (23) aufweist.Lye pump (5) according to one of claims 1 to 9,
characterized,
in that the second outer labyrinth ring (9) has in its axis of rotation (21) a central opening (22) as intake channel for a pump wheel (23).
dadurch gekennzeichnet,
dass die Rotationsachsen der beiden Labyrinthringe (8) und (9) sowie die Rotationssachse des Pumpenrandes (23) koaxial angeordnet sind.Lye pump (5) according to claim 10,
characterized,
that the axes of rotation of the two labyrinth rings (8) and (9) and the axis of rotation of the pump rim (23) are arranged coaxially.
dadurch gekennzeichnet,
dass im oberen Bereich des hülsenartigen Einströmraumes (11) ein Ansaugstutzen (24) sowie quer zur Rotationsachse des Pumpenrands (23) ein Druckstutzen (25) in der Filtergehäusewand (7) angeordnet sind.Lye pump (5) according to claim 11,
characterized,
that in the upper region of the sleeve-like inflow space (11) an intake nozzle (24) and transversely to the rotational axis of the pump rim (23) a discharge nozzle (25) in the filter housing wall (7) are arranged.
dadurch gekennzeichnet,
dass der Deckel (10) des Filtereinsatzes (6) am Randbereich ein Außengewinde (26) aufweist, welches mit einem an der Innenwand des Filtergehäuses (7) angeordneten Innenwinde zum dichtenden Verschluss zusammenwirkt.Lye pump (5) according to claim 1,
characterized,
that the cover (10) of the filter insert (6) has an external thread (26) at the edge region, which interacts with a disposed on the inner wall of the filter housing (7) internal to the winch sealing closure.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES11401573T ES2435845T3 (en) | 2011-08-18 | 2011-08-18 | Pump for washing liquid with filter cartridge for a washing machine |
EP11401573.8A EP2559802B1 (en) | 2011-08-18 | 2011-08-18 | Lye pump with filter insert for a washing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11401573.8A EP2559802B1 (en) | 2011-08-18 | 2011-08-18 | Lye pump with filter insert for a washing machine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2559802A1 true EP2559802A1 (en) | 2013-02-20 |
EP2559802B1 EP2559802B1 (en) | 2013-10-16 |
Family
ID=44983475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11401573.8A Active EP2559802B1 (en) | 2011-08-18 | 2011-08-18 | Lye pump with filter insert for a washing machine |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2559802B1 (en) |
ES (1) | ES2435845T3 (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2816150A3 (en) * | 2014-09-24 | 2015-04-15 | V-Zug AG | Water-conducting domestic appliance with lye filter |
DE102016201975B3 (en) * | 2016-02-10 | 2017-03-02 | BSH Hausgeräte GmbH | Laundry care unit with a pump |
EP3211130A1 (en) * | 2016-02-25 | 2017-08-30 | Miele & Cie. KG | Filter cover, filter insert and washing machine |
CN107523975A (en) * | 2017-09-27 | 2017-12-29 | 青岛海尔洗衣机有限公司 | A kind of air cleaner and there is its clothes drying device |
CN110952284A (en) * | 2018-09-26 | 2020-04-03 | Bsh家用电器有限公司 | Laundry care appliance with filter element |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1989016U (en) * | 1968-02-21 | 1968-07-11 | Siemens Elektrogeraete Gmbh | CLIP TRAP FOR A LAUNDRY APPLIANCE EQUIPPED WITH A SUCTION PUMP. |
DE6610307U (en) * | 1963-08-29 | 1973-09-06 | Siemens Elektrogeraete Gmbh | WASHING MACHINE EQUIPPED WITH A LUBE PUMP. |
DE3922629A1 (en) | 1989-07-10 | 1991-01-17 | Miele & Cie | Washing machine or dryer - with filter insert on waste water path capable of sepg. heavy bodies or fly lint |
EP1201812A1 (en) * | 2000-10-31 | 2002-05-02 | CANDY S.p.A. | A filtering unit for a washing machine |
-
2011
- 2011-08-18 EP EP11401573.8A patent/EP2559802B1/en active Active
- 2011-08-18 ES ES11401573T patent/ES2435845T3/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE6610307U (en) * | 1963-08-29 | 1973-09-06 | Siemens Elektrogeraete Gmbh | WASHING MACHINE EQUIPPED WITH A LUBE PUMP. |
DE1989016U (en) * | 1968-02-21 | 1968-07-11 | Siemens Elektrogeraete Gmbh | CLIP TRAP FOR A LAUNDRY APPLIANCE EQUIPPED WITH A SUCTION PUMP. |
DE3922629A1 (en) | 1989-07-10 | 1991-01-17 | Miele & Cie | Washing machine or dryer - with filter insert on waste water path capable of sepg. heavy bodies or fly lint |
EP1201812A1 (en) * | 2000-10-31 | 2002-05-02 | CANDY S.p.A. | A filtering unit for a washing machine |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2816150A3 (en) * | 2014-09-24 | 2015-04-15 | V-Zug AG | Water-conducting domestic appliance with lye filter |
DE102016201975B3 (en) * | 2016-02-10 | 2017-03-02 | BSH Hausgeräte GmbH | Laundry care unit with a pump |
CN108603326A (en) * | 2016-02-10 | 2018-09-28 | Bsh家用电器有限公司 | Washings care appliance with pump |
EP3211130A1 (en) * | 2016-02-25 | 2017-08-30 | Miele & Cie. KG | Filter cover, filter insert and washing machine |
CN107523975A (en) * | 2017-09-27 | 2017-12-29 | 青岛海尔洗衣机有限公司 | A kind of air cleaner and there is its clothes drying device |
CN110952284A (en) * | 2018-09-26 | 2020-04-03 | Bsh家用电器有限公司 | Laundry care appliance with filter element |
CN110952284B (en) * | 2018-09-26 | 2023-12-12 | Bsh家用电器有限公司 | Laundry care appliance with filter element |
Also Published As
Publication number | Publication date |
---|---|
EP2559802B1 (en) | 2013-10-16 |
ES2435845T3 (en) | 2013-12-23 |
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