EP2302126A2 - Lye pump for a domestic washing machine - Google Patents
Lye pump for a domestic washing machine Download PDFInfo
- Publication number
- EP2302126A2 EP2302126A2 EP10177591A EP10177591A EP2302126A2 EP 2302126 A2 EP2302126 A2 EP 2302126A2 EP 10177591 A EP10177591 A EP 10177591A EP 10177591 A EP10177591 A EP 10177591A EP 2302126 A2 EP2302126 A2 EP 2302126A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- seal
- pump
- chamber
- pump chamber
- cylinder ring
- 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 description 7
- 238000000926 separation method Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract 3
- 238000007789 sealing Methods 0.000 description 9
- 239000007787 solid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000013013 elastic material Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 208000004434 Calcinosis Diseases 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005192 partition Methods 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
- D06F39/08—Liquid supply or discharge arrangements
- D06F39/083—Liquid discharge or recirculation arrangements
- D06F39/085—Arrangements or adaptations of pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
-
- 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
- A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
- A47L15/4225—Arrangements or adaption of recirculation or discharge pumps
Definitions
- the invention relates to a drain pump for a domestic washing machine with a cylindrical pump chamber and an at least approximately cylindrical pre-chamber whose axis is arranged at least parallel to the axis of the drive of the pump and which has a flow guide for closing the prechamber to the outside with a lid with an axial ring seal is coupled and shaped for the separation of objects from the waste liquor, in front of which the pump is to be protected, and which is frontally shaped as the end wall of the pump chamber with central overflow opening and has an annular seal towards the pump chamber.
- Such a drain pump is through DE 83 18 398 U1 known.
- DE 21 25 747 A1 Referenced Both documents show a pump chamber with a vane pump and an antechamber, which serves to calm the flow and thereby to separate the liquor from about entrained objects.
- objects - fluff, threads or solid objects such as paper clips, buttons, needles - should be kept away from the impeller of the pump so that it can not be blocked.
- the proposal off DE 83 18 398 U1 but also fixes a disadvantage of DE 21 25 747 A1 known liquor pump, namely the compensation of irregularities of the nominal dimension at a distance from the annular disc to the bottom of the lid. Serves a sealing disk made of a higher quality elastic material, which is integrally connected to the front-side annular disc (end wall of the pump chamber).
- the invention is therefore based on the object to provide a drain pump of the type mentioned, in which a concatenation of tolerances regarding the two seal locations can not occur.
- this object is achieved in an initially designated lye pump by the features of the plate in claim 1 in such a way that the seal is formed as a radial seal and has a stop cone.
- This solution has the particular advantage that no concatenation of tolerances leads to disadvantages, because the tolerance on the radial seal by appropriate dimensioning of the sealing surface no longer matters.
- the interlinked axial dimensions of the gaskets to maintain tolerances even at higher temperatures (up to a maximum of 100 ° C liquor temperature) for expensive plastics (POM for the flow control instead of cheaper PP for the prechamber and pump housing)
- the flow guide can also be made of less expensive plastic (eg likewise made of PP).
- the diameter of the seal between an inner cylinder ring of the prechamber and an outer cylinder ring of the flow guide are advantageously the same size, so that when telescoping these two cylinder rings between their contacting surfaces, a radial sealing force.
- the starting cone in the direction of the joining movement of the flow control arm is preceded by the inner cylinder ring coaxially.
- the general diameter of the pre-chamber narrows to the inner cylinder ring, and over the longest part of the joining distance wide pre-chamber offers no resistance for the introduction of the flow control.
- the arrangement of the starting cone is also possible at the front region of the flow guide, but then sets the outer circumference of the flow control immediately after the introduction to the inner periphery of the prechamber and provides resistance in the joining movement of the flow guide.
- the radial seal is associated with a labyrinth seal such that the outer cylinder ring terminates in a coaxial annular rib on the face side immersed in the operating position of the flow control in a coaxial annular groove of the pump chamber.
- the region of the end wall adjacent to the radial seal maintains a distance to an annular shoulder of the pump chamber which corresponds to the seal tolerance of the axial seal of the cover, preferably a screw cap.
- a margin for the axial tolerance of the lid seal is possible, as it can not be allowed in the examples of the prior art.
- washing machine 1 has a in the lower front area, in or behind a front panel 2 arranged drain pump 3, which is connected to an inlet 4 from the tub 5 and with a pumping line 6, through which can be removed from the washing machine to be pumped out.
- the drain pump 3 has a pump chamber 7 (FIG. Fig. 2, 4 ), which usually accommodates an impeller 9 moved by an electromotive drive 8, which is indicated only schematically, which is centrally impinged by the inflowing liquor and which has centrifugal force a arranged on the outer periphery of the pump chamber 7 Abpumpstutzen (not shown here) and connected to the pumping line 6 connected thereto.
- the pump chamber 7 is preceded by an antechamber 10, on the outside thereof in a manner not shown, the inlet 4 is connected from the tub 5.
- the end wall 12 of the flow guide 11 has a central overflow opening 13, which is directed directly to the center of the impeller 9 and the overflow of the liquor from the prechamber 10 into the pump chamber 7 is used.
- this flow orderly meets the impeller 9, the overflow opening 13 is surrounded within the flow guide 11 by a shotgun 14.
- the shotgun 14 also acts reassuring on the flow within the flow guide 11, so that it travels a long way through the interior of the pre-chamber 10 and has sufficient opportunity in this way to deposit entrained solid objects such as paper clips, buttons and needles.
- the deflection of the flow from the space of the pre-chamber 10 in the shotgun 14 is also so tight that yet entrained solid objects can not pass this bottleneck.
- a lid 15 is rotatably connected thereto.
- the lid carries an axial seal in the form of a sealing ring 16, which is seated on a shoulder 17 of the front opening of the prechamber 10 when the flow guide 11 is inserted.
- the lid 15 for closing the prechamber 10 can be screwed tight until the sealing ring 16 sits firmly on the shoulder 17.
- an axial sealing measure is also known in the prior art, which in newer lye pumps by a sealing washer elastic material is accomplished, which is integrally connected to the end wall and rests under tension on a shoulder to the pump chamber.
- the invention proposes to use a radial seal at this point.
- a radial seal is according to FIGS. 2 and 3 achieved so that the area D of the outer cylinder 19 of the flow guide 11 near the end wall 12 closely to the congruent area D of the inner cylinder 20 of the prechamber 10 nestles. So that the flow guide 11 can still be easily inserted into the space of the pre-chamber 10, is in the direction 23 of its joining movement in front of the region D of the seal a run-on slope 21 on the inner wall 22 of the prechamber 10. Depending on the specification for the force of overcoming this run-on slope 21st the area A is set up accordingly long or short.
- the inner wall 22 is designed keglig.
- the radial seal 16/17 is still supported by a labyrinth seal, which is formed by an annular rib 26 and a diametrically opposite annular groove 27.
- the annular rib 26 is formed as an outer boundary of the end face of the end wall 12, while the annular groove 27 is buried in the annular surface 24 of the shoulder 25 to the pump chamber 7.
- a corresponding clearance S between the two rings is respected, so that the tolerance of the seal 16/17 can be generously sized.
- the depth of the clearance S should be less than 1 mm, so that the labyrinth develops a sufficiently large sealing effect.
- the width of the annular groove 27 may well be only slightly larger than the width of the annular rib 26, so that a clamping is just avoided.
- the description of the radial seal 3 and 4 applies here the same way, the area D may be shorter because its length can be determined by the thickness of the end wall 12 plus the height of the annular rib 26.
- annular rib 26 and the annular groove 27 can be interchanged. Namely, when the annular groove 27 is disposed on the flow guide 11, it can be more easily cleaned as a pollution-prone member when the flow guide 11 is removed than if it were part of the pump chamber 7.
- the shotgun 14 in Fig. 4 also has a collar 28, which serves to keep foreign bodies even better before the passage into the pump chamber. Heaters of washing machines tend to deposit compact waterstone coverings. Occasionally, such deposits can partially flake off in extreme temperature changes and are then carried along as a foreign body with the liquor to be pumped off. But you would be able to block the pump blades. However, such a collar 28 protects well against the entrainment of such calcium deposits and other correspondingly large foreign body, so that the mobility of the impeller 9 can be obtained even better in this way.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
Description
Die Erfindung betrifft eine Laugenpumpe für eine Haushaltwaschmaschine mit einer zylindrischen Pumpenkammer und einer wenigstens annähernd zylindrischen Vorkammer, deren Achse wenigstens parallel zur Achse des Antriebs der Pumpe angeordnet ist und die einen Strömungslenker aufweist, der zum Verschließen der Vorkammer nach außen mit einem Deckel mit axialer Ringdichtung gekoppelt und zum Aussondern von Gegenständen aus der Ablauge geformt ist, vor denen die Pumpe zu schützen ist, und der stirnseitig als Stirnwand der Pumpenkammer mit zentraler Überströmungsöffnung geformt ist und zur Pumpenkammer hin eine ringförmige Dichtung aufweist.The invention relates to a drain pump for a domestic washing machine with a cylindrical pump chamber and an at least approximately cylindrical pre-chamber whose axis is arranged at least parallel to the axis of the drive of the pump and which has a flow guide for closing the prechamber to the outside with a lid with an axial ring seal is coupled and shaped for the separation of objects from the waste liquor, in front of which the pump is to be protected, and which is frontally shaped as the end wall of the pump chamber with central overflow opening and has an annular seal towards the pump chamber.
Eine derartige Laugenpumpe ist durch
Allerdings entsteht dadurch zwischen den Anlageringen an der Pumpenkammer und an der Vorkammer eine Verkettung von Toleranzen, die bei ungünstigen Konstellationen entweder zu Undichtigkeiten am Deckel oder an der Stirnwand der Pumpenkammer führen können.However, this creates between the Anlageringen on the pump chamber and the antechamber a concatenation of tolerances that can lead to unfavorable constellations either leaks on the lid or on the end wall of the pump chamber.
Der Erfindung liegt daher die Aufgabe zugrunde, eine Laugenpumpe der eingangs genannten Art anzugeben, bei der eine Verkettung von Toleranzen betreffend die beiden Dichtungsorte nicht auftreten kann.The invention is therefore based on the object to provide a drain pump of the type mentioned, in which a concatenation of tolerances regarding the two seal locations can not occur.
Erfindungsgemäß wird diese Aufgabe bei einer eingangs benannten Laugenpumpe durch die Merkmale des Kennzeichens im Anspruch 1 in der Weise gelöst, dass die Dichtung als radiale Dichtung ausgebildet ist und einen Anlaufkegel aufweist. Diese Lösung hat den besonderen Vorteil, dass keine Verkettung von Toleranzen mehr zu Nachteilen führt, weil die Toleranz an der radialen Dichtung durch entsprechende Bemessung der Dichtfläche keine Rolle mehr spielt. Während beim Stand der Technik die verketteten axialen Maße der Dichtungen zur Einhaltung der Toleranzen auch bei höheren Temperaturen (bis max. 100°C Laugentemperatur) zur Verwendung teurer Kunststoffe zwingen (POM für den Strömungslenker anstelle von billigerem PP für das Vorkammer- und Pumpengehäuse), kann bei Anwendung der Erfindung auch der Strömungslenker aus preiswerterem Kunststoff (z. B. ebenfalls aus PP) hergestellt sein. Die Durchmesser der Dichtung zwischen einem inneren Zylinderring der Vorkammer und einem äußeren Zylinderring des Strömungslenkers sind dabei vorteilhafterweise gleich groß, so dass beim Ineinanderschieben dieser beiden Zylinderringe zwischen ihren einander berührenden Flächen eine radiale Dichtkraft entsteht.According to the invention, this object is achieved in an initially designated lye pump by the features of the plate in claim 1 in such a way that the seal is formed as a radial seal and has a stop cone. This solution has the particular advantage that no concatenation of tolerances leads to disadvantages, because the tolerance on the radial seal by appropriate dimensioning of the sealing surface no longer matters. While in the prior art, the interlinked axial dimensions of the gaskets to maintain tolerances even at higher temperatures (up to a maximum of 100 ° C liquor temperature) for expensive plastics (POM for the flow control instead of cheaper PP for the prechamber and pump housing), For example, if the invention is used, the flow guide can also be made of less expensive plastic (eg likewise made of PP). The diameter of the seal between an inner cylinder ring of the prechamber and an outer cylinder ring of the flow guide are advantageously the same size, so that when telescoping these two cylinder rings between their contacting surfaces, a radial sealing force.
In einer weiteren vorteilhaften Ausbildung der Erfindung ist der Anlaufkegel in Richtung der Fügebewegung des Strömungslenkers dem inneren Zylinderring koaxial vorgelagert. Dadurch verengt sich der allgemeine Durchmesser der Vorkammer bis zum inneren Zylinderring, und die über den längsten Teil der Fügestrecke weite Vorkammer bietet für die Einführung des Strömungslenkers keinen Widerstand. Prinzipiell ist zwar die Anordnung des Anlaufkegels auch am vorderen Bereich des Strömungslenkers möglich, doch dann legt sich der äußere Umfang des Strömungslenkers sofort nach der Einführung an den inneren Umfang der Vorkammer und bietet einen Widerstand bei der Fügebewegung des Strömungslenkers.In a further advantageous embodiment of the invention, the starting cone in the direction of the joining movement of the flow control arm is preceded by the inner cylinder ring coaxially. As a result, the general diameter of the pre-chamber narrows to the inner cylinder ring, and over the longest part of the joining distance wide pre-chamber offers no resistance for the introduction of the flow control. In principle, the arrangement of the starting cone is also possible at the front region of the flow guide, but then sets the outer circumference of the flow control immediately after the introduction to the inner periphery of the prechamber and provides resistance in the joining movement of the flow guide.
Um die Toleranzen zwischen dem inneren und dem äußeren Zylinderring nicht unnötig eng zu halten, ist es von besonderem Vorteil, wenn gemäß einer Weiterbildung der Erfindung der radialen Dichtung eine Labyrinthdichtung zugeordnet ist, derart, dass der äußere Zylinderring stirnseitig in einer koaxialen Ringrippe ausläuft, die in Betriebsposition des Strömungslenkers in eine achsgleiche Ringrille der Pumpenkammer eintaucht.In order not to keep the tolerances between the inner and the outer cylinder ring unnecessarily narrow, it is particularly advantageous if, according to a development of the invention, the radial seal is associated with a labyrinth seal such that the outer cylinder ring terminates in a coaxial annular rib on the face side immersed in the operating position of the flow control in a coaxial annular groove of the pump chamber.
Vorteilhafterweise hält der der radialen Dichtung benachbarte Bereich der Stirnwand zu einem ringförmigen Absatz der Pumpenkammer einen Abstand ein, der der Dichtungstoleranz der axialen Dichtung des Deckels - bevorzugterweise ein Schraubdeckel - entspricht. Dadurch wird ein Spielraum für die axiale Toleranz der Deckeldichtung möglich, wie er in den Beispielen aus dem Stande der Technik nicht zugelassen werden kann.Advantageously, the region of the end wall adjacent to the radial seal maintains a distance to an annular shoulder of the pump chamber which corresponds to the seal tolerance of the axial seal of the cover, preferably a screw cap. As a result, a margin for the axial tolerance of the lid seal is possible, as it can not be allowed in the examples of the prior art.
Die Merkmale der Unteransprüche können unter dem Aspekt der Erfindung in beliebiger Kombination miteinander und mit denen des Hauptanspruches sowie mit weiteren Merkmalen aus der Beschreibung angewendet werden.The features of the subclaims can be used in the aspect of the invention in any combination with each other and with those of the main claim and with further features of the description.
Anhand von in der Zeichnung dargestellten Ausführungsbeispielen ist die Erfindung nachstehend näher erläutert. Es zeigen
- Fig. 1
- eine perspektivische schematische Ansicht einer Waschmaschine mit durchsichtigem Gehäuse und einem an einen Laugenbehälter angeschlossenen Laugenablaufsystem,
- Fig. 2
- einen horizontalen Schnitt durch eine Pumpenkammer und eine vor- gelagerte Vorkammer mit einem eingesetzten Strömungslenker,
- Fig. 3
- ein Detail III der Schnittansicht der
Fig. 2 die radiale Dichtung betref- fend, - Fig. 4
- einen Schnitt gemäß
Fig. 2 bei zusätzlicher, die radiale Dichtung un- terstützender Labyrinthdichtung am äußeren Umfang der Stirnseite des Strömungslenkers und - Fig. 5
- ein Detail V gemäß
Fig. 3 die Dichtung derFig. 4 betreffend.
- Fig. 1
- a perspective schematic view of a washing machine with a transparent housing and connected to a tub lye drainage system,
- Fig. 2
- a horizontal section through a pump chamber and an upstream antechamber with an inserted flow control,
- Fig. 3
- a detail III of the sectional view of
Fig. 2 concerning the radial seal, - Fig. 4
- a section according to
Fig. 2 with additional, the radial seal supporting labyrinth seal on the outer circumference of the end face of the flow control arm and - Fig. 5
- a detail V according to
Fig. 3 the seal of theFig. 4 concerning.
Die in
Der Pumpenkammer 7 ist eine Vorkammer 10 vorgelagert, an deren Außenseite in nicht dargestellter Weise der Zulauf 4 aus dem Laugenbehälter 5 angeschlossen ist. Über hier nicht erkennbare Öffnungen in der Wandung eines Strömungslenkers 11, der so in die Vorkammer 10 eingesetzt ist, dass diese Öffnungen mit dem Zulauf 4 kommunizieren und dass seine Stirnwand 12 als Trennwand zwischen der Pumpenkammer 7 und der Vorkammer 10 fungiert. Die Stirnwand 12 des Strömungslenkers 11 hat eine zentrale Überströmungsöffnung 13, die unmittelbar auf das Zentrum des Flügelrads 9 gerichtet ist und der Überströmung der Lauge aus der Vorkammer 10 in die Pumpenkammer 7 dient. Damit einerseits diese Strömung geordnet auf das Flügelrad 9 trifft, ist die Überströmungsöffnung 13 innerhalb des Strömungslenkers 11 von einem Richtrohr 14 umgeben. Andererseits wirkt das Richtrohr 14 aber auch beruhigend auf die Strömung innerhalb des Strömungslenkers 11, damit sie einen langen Weg durch den Innenraum der Vorkammer 10 zurücklegt und auf diesem Weg ausreichend Gelegenheit hat, mitgeführte feste Gegenstände wie Büroklammern, Knöpfe und Nadeln abzulagern. Die Umlenkung der Strömung aus dem Raum der Vorkammer 10 in das Richtrohr 14 ist zusätzlich so eng, dass dennoch mitgeführte feste Gegenstände diese Engstelle nicht passieren können.The
Am außenseitigen Ende des Strömungslenkers 11 ist ein Deckel 15 mit ihm drehbar verbunden. Der Deckel trägt eine axiale Dichtung in Form eines Dichtringes 16, der bei eingesetztem Strömungslenker 11 auf einem Absatz 17 der vorderen Öffnung der Vorkammer 10 sitzt. Mittels eines Gewindepaars 18 am Deckel 15 und an der vorderen Öffnung der Vorkammer 10 kann der Deckel 15 zum Verschließen der Vorkammer 10 fest eingedreht werden, bis der Dichtring 16 fest auf dem Absatz 17 sitzt.At the outside end of the
Zwischen der Pumpenkammer 7 und der Vorkammer 10 ist ebenfalls ein dichter Verschluss erforderlich, damit die Pumpenleistung nicht durch eine Leckströmung gemindert wird. Dazu ist im Stand der Technik ebenfalls eine axiale Dichtungsmaßnahme bekannt, die bei neueren Laugenpumpen durch eine Dichtungsscheibe aus elastischem Werkstoff bewerkstelligt wird, die einstückig mit der Stirnwand verbunden ist und unter Spannung auf einem Absatz zur Pumpenkammer aufliegt.Between the
Um aber die oben beschriebenen Nachteile aus den dadurch verketteten Toleranzen zu vermeiden, schlägt die Erfindung vor, an dieser Stelle eine radiale Dichtung einzusetzen. Eine solche radiale Dichtung wird gemäß
In Richtung 23 der Fügebewegung vor der Stirnwand 12 ist bis zur Ringfläche 24 des Absatzes 25 für die Dichtung noch ein Spielraum S vorgesehen, der die Tiefe der Setzung an der axialen Dichtung 16/17 des Deckels 15 bestimmt. Dieser Spielraum S lässt daher eine große Toleranz in der axialen Dichtung 16/17 zu, ohne dass dadurch die Dichtungswirkung der radialen Dichtung 19/20 im Bereich D in irgendeiner Weise beeinflusst würde.In the
Im Beispiel der
Im Gegensatz zu dem zuvor beschriebenen Beispiel können aber die Ringrippe 26 und die Ringrille 27 gegeneinander vertauscht sein. Wenn die Ringrille 27 nämlich am Strömungslenker 11 angeordnet ist, kann sie als verschmutzungsanfälligeres Element beim Entnehmen des Strömungslenkers 11 leichter gesäubert werden, als wenn sie Bestandteil der Pumpenkammer 7 wäre.In contrast to the example described above, however, the
Das Richtrohr 14 in
Da im Beispiel der
Claims (6)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL10177591T PL2302126T3 (en) | 2009-09-29 | 2010-09-20 | Lye pump for a domestic washing machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009045102A DE102009045102A1 (en) | 2009-09-29 | 2009-09-29 | Lye pump for a household washing machine |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2302126A2 true EP2302126A2 (en) | 2011-03-30 |
EP2302126A3 EP2302126A3 (en) | 2012-12-26 |
EP2302126B1 EP2302126B1 (en) | 2014-01-15 |
Family
ID=43486387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10177591.4A Not-in-force EP2302126B1 (en) | 2009-09-29 | 2010-09-20 | Lye pump for a domestic washing machine |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2302126B1 (en) |
DE (1) | DE102009045102A1 (en) |
PL (1) | PL2302126T3 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2698544A1 (en) * | 2012-08-15 | 2014-02-19 | Dipra | Submerged pump, resting on a ground, with adjustable suction height |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2125747A1 (en) | 1970-06-19 | 1972-01-05 | Philips Nv | Separator of objects from the supply line of a pump |
DE8318398U1 (en) | 1983-06-24 | 1983-10-06 | Bosch-Siemens Hausgeraete Gmbh, 7000 Stuttgart | LYE PUMP FOR A WASHING MACHINE |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH542309A (en) * | 1972-03-16 | 1973-09-30 | Airnaf S A | Pump body for washing machine |
DE2554544B2 (en) * | 1975-12-04 | 1978-01-12 | Hanning Elektro-Werke Gmbh & Co, 4800 Bielefeld | DRAIN PUMP, ESPECIALLY FOR WASHING AND DISHWASHING MACHINES |
DE3536071A1 (en) * | 1985-10-09 | 1987-06-11 | Bosch Siemens Hausgeraete | Prechamber for a washing-machine lye pump |
AT388945B (en) * | 1988-03-25 | 1989-09-25 | Steininger Eudorawerke | DEVICE FOR EMPTYING THE LIQUID TANK FROM WASHING, CLEANING OR DISHWASHER |
IT1256103B (en) * | 1992-11-12 | 1995-11-28 | Candy Spa | FLOW FILTERING AND DEVIATION GROUP FOR RECIRCULATING WASHING MACHINE |
-
2009
- 2009-09-29 DE DE102009045102A patent/DE102009045102A1/en not_active Withdrawn
-
2010
- 2010-09-20 PL PL10177591T patent/PL2302126T3/en unknown
- 2010-09-20 EP EP10177591.4A patent/EP2302126B1/en not_active Not-in-force
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2125747A1 (en) | 1970-06-19 | 1972-01-05 | Philips Nv | Separator of objects from the supply line of a pump |
DE8318398U1 (en) | 1983-06-24 | 1983-10-06 | Bosch-Siemens Hausgeraete Gmbh, 7000 Stuttgart | LYE PUMP FOR A WASHING MACHINE |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2698544A1 (en) * | 2012-08-15 | 2014-02-19 | Dipra | Submerged pump, resting on a ground, with adjustable suction height |
Also Published As
Publication number | Publication date |
---|---|
EP2302126A3 (en) | 2012-12-26 |
PL2302126T3 (en) | 2014-06-30 |
EP2302126B1 (en) | 2014-01-15 |
DE102009045102A1 (en) | 2011-03-31 |
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