EP1505192B1 - Laundry treatment machine with drain pump system - Google Patents

Laundry treatment machine with drain pump system Download PDF

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Publication number
EP1505192B1
EP1505192B1 EP04015228A EP04015228A EP1505192B1 EP 1505192 B1 EP1505192 B1 EP 1505192B1 EP 04015228 A EP04015228 A EP 04015228A EP 04015228 A EP04015228 A EP 04015228A EP 1505192 B1 EP1505192 B1 EP 1505192B1
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EP
European Patent Office
Prior art keywords
treatment machine
laundry treatment
pump
outflow
laundry
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP04015228A
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German (de)
French (fr)
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EP1505192A2 (en
EP1505192A3 (en
Inventor
Uwe Ackermann
Raymond Römer
Horst Wiemer
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BSH Hausgeraete GmbH
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BSH Bosch und Siemens Hausgeraete GmbH
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Priority to PL04015228T priority Critical patent/PL1505192T3/en
Publication of EP1505192A2 publication Critical patent/EP1505192A2/en
Publication of EP1505192A3 publication Critical patent/EP1505192A3/en
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    • 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
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/42—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to filters or pumps

Definitions

  • the present invention relates to a laundry treating machine comprising a tub in which a laundry drum is rotatably mounted about a horizontal or an inclined, forwardly rising axis, and a remplisstechniksabpumpsystem containing a pump for discharging a used in the laundry treating machine liquid, the pump chamber of the front surface of a cabinet-shaped outer casing of the laundry treatment machine is accessible forth.
  • the tub with the drum and the drive unit form a vibratory system that is suspended resiliently on the frame of the laundry treatment machine and supported by means of suitable shock absorbers against this.
  • a drain opening is present at the lowest point.
  • the fluid connection of the tub with the drain pump via a drain hose This has the additional task of mechanically decoupling the fixedly connected to the device housing drain pump and the spring-suspended tub so far that the operation of the laundry treatment machine out front tub and acting on the drain pump vibration loads can be minimized.
  • the delivery rate of the pumping system is under otherwise identical conditions dependent on the clear width of the individual components and the gradient of the tub outlet opening to the drain pump, and the wiring. This applies in particular to the Abpumpphasen where a mixture of liquid and foam is to promote.
  • the available free space for installing the pumping system is severely restricted. This results in design difficulties in the design of the pumping system, the size of the items can not be chosen arbitrarily and the possibilities to perform the pumping system with the required slope are limited.
  • the lye pump is preceded by a lint filter, the foreign body and torn laundry accessories, as well as the textile abrasion absorbs.
  • the lint filter is to be cleaned by the customer at regular intervals. Access to the lint filter and the inspection in the drain pump via an opening in the front panel, behind which the drain pump is located directly.
  • the operator must always take a stooped posture, since for the reasons described above, the drain pump is regularly arranged at a very low point in the device.
  • many manufacturers have proceeded to arrange the drain pump pivoted about a horizontal axis perpendicular to the axis of the drain pump, to arrange rising to the front.
  • the invention has for its object to show means by which the inspection of the drain pump and access to the lint filter can be facilitated.
  • the prior art known drainage systems are to be further developed so that their realization is possible by simple means.
  • the object is achieved in that the axis of the pump shaft is pivoted about a vertical such that it forms an acute angle seen with a vertical, extending from the front surface to the rear wall center plane of the outer housing.
  • the drainage pump according to the invention for users is much better visible and to be maintained as lye pumps, which according to the prior art very far outside, namely immediately adjacent to a side wall of the housing of the laundry treatment machine, which then possibly even directly next to a wall of the installation room, are mounted and installed at right angles or only in an upward angle to the front of the laundry treatment machine.
  • the drain pump is arranged pivoted in the direction of the loading opening, namely, it shows away from the side wall and can be viewed by a user who is directly in front of the feed opening, with a slight turn of his gaze.
  • the resulting more favorable perspective on the drain pump facilitates their control even in unfavorable room layout of the laundry treatment machine.
  • the laundry drum is equipped drivable for spinning and their tub is connected to a drain pipe via a drain hose with a suction on the pump whose level is lower than the drain pipe, provided that the drain pipe so angled inclined to the tub container coat is attached, that he supported in a least preferably maintained spin rotation direction of the laundry drum thrown off water in its expiration.
  • the drain hose is mounted under a streamlined for the thrown off liquor angle on the tub.
  • the flow rate of the water-foam mixture is greater, the pumping is shortened.
  • the greatest benefit to the user of a laundry treating machine according to the invention can be achieved in that the axis of the pump shaft is at an angle on the front surface with respect to the horizontal. Then the pump chamber is hers opened access cover ago most accessible and visible.
  • a front loader washing machine with a housing 1 with front wall 5, side wall 3 and rear wall 17 and with an inclined oscillating system of tub 6 and a rotatably mounted therein laundry drum 12 is selected, i. a washing machine with a frontal through a door 14 covered feed opening and a feed opening towards rising drum axis 7.
  • a washing machine with a frontal through a door 14 covered feed opening and a feed opening towards rising drum axis 7.
  • the drain pump 2 is attached to the bottom plate 4 of the washing machine housing 1. It is in accordance with the representation of its axis of rotation 9 in Fig. 2 raised forward and accordingly Fig. 3 additionally aligned pivoted about the vertical axis 16 to the center of the device, so that its central axis 9 forms an acute angle ⁇ with the vertical median plane on which the drum axis 7 is located.
  • the outlet pipe 8 on the tub 6 is deviating from the usual design not directed vertically downwards, but pivoted away in the main direction of rotation of the spin cycle of the laundry drum 12 (arrow) at an angle.
  • the fluid connection between the tub 6 and the drain pump 2 is realized via a flexible elastic hose 11.
  • the drain hose 11 and its guide from the tub 6 to the drain pump 2 are off FIG. 1 and 4 recognizable.
  • the drain hose 11 is mounted with a necessary slope. It is made of an elastic material (eg rubber) and has at least one corrugated section to further enhance the elasticity of the vibration.
  • the two ends are angled with slight bends so that they allow a continuous flow from the outlet pipe 8 to the tub 6 to the intake manifold 10 of the drain pump 2 and are mechanically fixed and fluid-tight connected with them.
  • This measure has the same effect as the inventive alignment of the outlet nozzle 8 on the tub 6 advantageously on the pump power, especially in a conveyed mixture of foam and water and in particular in a spinning direction of rotation from the vertical swiveled outlet pipe 8.
  • the entire pumping process is running in a very short time.
  • the intake port 10 of the drain pump 2 for connection of the drain hose 11 is directed to the center of the pump chamber.
  • Design of the drain hose 11 and the outlet nozzle 8 on the tub 6 so a minimum height of the entire pumping system can be achieved.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Centrifugal Separators (AREA)

Abstract

The axis (9) of the pump shaft is swung about a vertical axis (16). It (9) makes an acute angle (alpha ) with a vertical central plane (7) from the front surface to the rear wall of the outer casing (1).

Description

Die vorliegende Erfindung bezieht sich auf eine Wäschebehandlungsmaschine enthaltend einen Laugenbehälter, in welchem eine Wäschetrommel um eine waagerechte oder eine geneigte, nach vorn ansteigende Achse drehbar gelagert ist, sowie ein Flüssigkeitsabpumpsystem enthaltend eine Pumpe zum Abführen einer in der Wäschebehandlungsmaschine gebrauchten Flüssigkeit, wobei die Pumpenkammer von der Frontfläche eines schrankförmigen Außengehäuses der Wäschebehandlungsmaschine her zugänglich ist.The present invention relates to a laundry treating machine comprising a tub in which a laundry drum is rotatably mounted about a horizontal or an inclined, forwardly rising axis, and a Flüssigkeitsabpumpsystem containing a pump for discharging a used in the laundry treating machine liquid, the pump chamber of the front surface of a cabinet-shaped outer casing of the laundry treatment machine is accessible forth.

Der Laugenbehälter mit der Trommel und deren Antriebsaggregat bilden ein schwingungsfähiges System, das am Rahmen der Wäschebehandlungsmaschine federnd aufgehängt und mittels geeigneter Stoßdämpfer gegen dieses abgestützt ist. Für den Abfluss aus dem Laugenbehälter ist an der tiefstgelegenen Stelle eine Ablauföffnung vorhanden. Die fluide Verbindung des Laugenbehälters mit der Laugenpumpe erfolgt über einen Ablaufschlauch. Dieser hat die zusätzliche Aufgabe, die fest mit dem Gerätegehäuse verbundene Laugenpumpe und den federnd aufgehängten Laugenbehälter mechanisch soweit zu entkoppeln, dass die beim Betrieb der Wäschebehandlungsmaschine vorn Laugenbehälter ausgehenden und auf die Laugenpumpe wirkenden Schwingungsbelastungen auf ein Minimum beschränkt werden können.The tub with the drum and the drive unit form a vibratory system that is suspended resiliently on the frame of the laundry treatment machine and supported by means of suitable shock absorbers against this. For drainage from the tub, a drain opening is present at the lowest point. The fluid connection of the tub with the drain pump via a drain hose. This has the additional task of mechanically decoupling the fixedly connected to the device housing drain pump and the spring-suspended tub so far that the operation of the laundry treatment machine out front tub and acting on the drain pump vibration loads can be minimized.

Bei bekannten Wäschebehandlungsmaschinen werden als Laugenpumpen regelmäßig Kreiselpumpen eingesetzt, die prinzipbedingt ein schlechtes Ansaugverhalten aufweisen. Die Anordnung der Laugenpumpe im Waschgerät und der Zuführungsleitung erfolgen daher unter dem Niveau des Laugenbehälters und so, dass in Förderrichtung immer ein ausreichendes Gefälle vorhanden ist und die Arbeitsflüssigkeit allein durch ihre Schwerkraft der Pumpe zufließen kann. Wegen des sich daraus ergebenen Platzmangels in der Wäschebehandlungsmaschine wird die Laugenpumpe überwiegend in einem Bereich nahe der Bodenplatte und einer der Seitenwände angeordnet.In known laundry treatment machines are regularly used as alkaline pumps centrifugal pumps, which in principle have a poor intake behavior. The arrangement of the drain pump in the washer and the supply line therefore carried below the level of the tub and so that in the conveying direction always a sufficient slope is present and the working fluid can flow solely by gravity of the pump. Because of the resulting lack of space in the laundry treatment machine, the drain pump is arranged predominantly in an area near the bottom plate and one of the side walls.

Die Förderleistung des Abpumpsystems ist unter sonst gleichen Bedingungen abhängig von der lichten Weite der einzelnen Bauteile und dem Gefälle von der Laugenbehälteraustrittsöffnung zur Laugenpumpe, sowie der Leitungsführung. Dies gilt insbesondere für die Abpumpphasen bei denen ein Gemisch aus Flüssigkeit und Schaum zu fördern ist. In Wäschebehandlungsmaschinen, deren Trommelvolumen bei vorgegebenen Maßen des Gerätegehäuses bis an die Grenze des technisch Möglichen erweitert ist, um die in einen Waschgang aufnehmbare Wäschemenge zu vergrößern, ist der verfügbare freie Raum zum Einbau des Abpumpsystems stark eingeengt. Daraus ergeben sich konstruktive Schwierigkeiten bei der Auslegung des Abpumpsystems, die Größe der Einzelteile kann nicht beliebig gewählt werden und die Möglichkeiten, das Abpumpsystem mit dem erforderlichen Gefälle auszuführen, sind eingeschränkt.The delivery rate of the pumping system is under otherwise identical conditions dependent on the clear width of the individual components and the gradient of the tub outlet opening to the drain pump, and the wiring. This applies in particular to the Abpumpphasen where a mixture of liquid and foam is to promote. In laundry treatment machines whose drum volume is extended to the limit of what is technically possible given the dimensions of the appliance housing in order to increase the amount of laundry that can be received in a washing cycle, the available free space for installing the pumping system is severely restricted. This results in design difficulties in the design of the pumping system, the size of the items can not be chosen arbitrarily and the possibilities to perform the pumping system with the required slope are limited.

Um die Laugenpumpe vor Verschleiß zu schützen und Ausfällen vorzubeugen, ist der Laugenpumpe ein Flusensieb vorgeschaltet, das Fremdkörper und abgerissene Wäschezubehörteile, sowie den textilen Abrieb auffängt. Das Flusensieb ist vorn Kunden in regelmäßigen Abständen zu reinigen. Der Zugang zum Flusensieb und die Einsichtnahme in die Laugenpumpe erfolgen über eine Öffnung in der Frontverkleidung, hinter der die Laugenpumpe unmittelbar angeordnet ist. Der Bedienende muss dazu immer eine gebückte Haltung einnehmen, da aus den oben beschriebenen Gründen die Laugenpumpe regelmäßig an einer sehr tiefen Stelle im Gerät angeordnet ist. Um dem Kunden die Wartung bequemer zu gestalten, sind viele Hersteller dazu übergegangen, die Laugenpumpe um eine Waagerechte senkrecht zur Achse der Laugenpumpe geschwenkt, zur Frontseite hin ansteigend anzuordnen. (siehe z. B. DE 294 79 41 A1 und DE 297 02 253 U1 ) Dadurch wird der Blickwinkel für den Bedienenden günstiger, das Flusensieb und die Laugenpumpe sind besser einsehbar, die Ursachen von Störungen der Laugenpumpe leichter erkennbar und die Wartungsarbeiten insgesamt leichter ausführbar. Nachteilig ist, dass auch durch diese verbesserte Einbauweise bei ungünstiger Raumaufstellung der Zugang zur Laugenpumpe erschwert bleibt, z. B., wenn die Wäschebehandlungsmaschine mit der Seitenwand, hinter der die Laugenpumpe angeordnet ist, gegen eine Raumwand aufgestellt ist.To protect the drain pump from wear and prevent failures, the lye pump is preceded by a lint filter, the foreign body and torn laundry accessories, as well as the textile abrasion absorbs. The lint filter is to be cleaned by the customer at regular intervals. Access to the lint filter and the inspection in the drain pump via an opening in the front panel, behind which the drain pump is located directly. The operator must always take a stooped posture, since for the reasons described above, the drain pump is regularly arranged at a very low point in the device. In order to make the maintenance more convenient for the customer, many manufacturers have proceeded to arrange the drain pump pivoted about a horizontal axis perpendicular to the axis of the drain pump, to arrange rising to the front. (see eg DE 294 79 41 A1 and DE 297 02 253 U1 ) Thus, the angle of view for the operator is cheaper, the lint filter and the drain pump are better visible, the causes of disturbances of the tub pump easily recognizable and the maintenance overall easier to carry out. The disadvantage is that even with this improved installation in unfavorable room layout access to the drain pump remains difficult, z. B. when the laundry treatment machine with the side wall, behind which the drain pump is arranged, is placed against a room wall.

DE 199 61 45 A1 offenbart eine höhenverstellbare Pumpe, die einen erhöhten Montageaufwand erfordert. DE 199 61 45 A1 discloses a height-adjustable pump which requires an increased installation effort.

DE 297 02 663 U1 beschreibt eine Zugangsklappe in der Frontwand, über die eine nach unten geneigte Pumpe zugänglich gemacht wird. Die Neigung nach unten erschwert dem Benutzer die Wartung trotz der einfach zu öffnenden Klappe. DE 297 02 663 U1 describes an access door in the front wall through which a downwardly inclined pump is made accessible. The inclination downwards makes the maintenance difficult for the user, despite the easy-to-open flap.

Der Erfindung liegt die Aufgabe zugrunde, Mittel aufzuzeigen, mit denen die Einsichtnahme in die Laugenpumpe und der Zugang zum Flusensieb erleichtert werden können. Dabei sollen aus dem Stand der Technik bekannte Ablaufsysteme so weiter entwickelt werden, dass deren Realisierung mit einfachen Mitteln möglich ist.The invention has for its object to show means by which the inspection of the drain pump and access to the lint filter can be facilitated. In this case, from the prior art known drainage systems are to be further developed so that their realization is possible by simple means.

Erfindungsgemäß wird die Aufgabe dadurch gelöst, dass die Achse der Pumpenwelle um eine Vertikale derart verschwenkt ist, dass sie nach vorn gesehen mit einer senkrechten, von der Frontfläche zur Rückwand verlaufenden Mittelebene des Außengehäuses einen spitzen Winkel bildet. Dadurch ist die erfindungsgemäße Laugenpumpe für Benutzer erheblich besser einsehbar und zu warten als Laugenpumpen, die gemäß dem Stand der Technik sehr weit außen, nämlich unmittelbar neben einer seitlichen Wand des Gehäuses der Wäschebehandlungsmaschine, die dann möglicherweise sogar noch unmittelbar neben einer Wand des Aufstellraumes steht, angebracht sind und rechtwinklig oder nur in einem nach oben gerichteten Winkel zur Frontseite der Wäschebehandlungsmaschine eingebaut sind.According to the invention the object is achieved in that the axis of the pump shaft is pivoted about a vertical such that it forms an acute angle seen with a vertical, extending from the front surface to the rear wall center plane of the outer housing. As a result, the drainage pump according to the invention for users is much better visible and to be maintained as lye pumps, which according to the prior art very far outside, namely immediately adjacent to a side wall of the housing of the laundry treatment machine, which then possibly even directly next to a wall of the installation room, are mounted and installed at right angles or only in an upward angle to the front of the laundry treatment machine.

Dadurch, dass die Laugenpumpe in Richtung auf die Beschickungsöffnung hin geschwenkt angeordnet ist, zeigt sie nämlich von der seitlichen Wand weg und kann von einem Benutzer, der unmittelbar vor der Beschickungsöffnung steht, mit leichter Wendung seines Blickes eingesehen werden. Der sich daraus ergebende günstigere Blickwinkel auf die Laugenpumpe erleichtert deren Kontrolle auch bei ungünstiger Raumaufstellung der Wäschebehandlungsmaschine.The fact that the drain pump is arranged pivoted in the direction of the loading opening, namely, it shows away from the side wall and can be viewed by a user who is directly in front of the feed opening, with a slight turn of his gaze. The resulting more favorable perspective on the drain pump facilitates their control even in unfavorable room layout of the laundry treatment machine.

In weiterer Ausgestaltung der Erfindung ist bei einer Wäschebehandlungsmaschine, deren Wäschetrommel zum Schleudern antreibbar ausgestattet ist und deren Laugenbehälter mit einem Ablaufstutzen über einen Ablaufschlauch mit einem Ansaugstutzen an der Pumpe verbunden ist, dessen Niveau niedriger liegt als der Ablaufstutzen, vorgesehen, dass der Ablaufstutzen derart winklig geneigt am Laugenbehältermantel angesetzt ist, dass er in einer wenigstens vorzugsweise eingehaltenen Schleuderdrehrichtung der Wäschetrommel abgeschleudertes Wasser bei seinem Ablaufen unterstützt. Dadurch werden die Strömungsverhältnisse im Abpumpsystem und damit die Förderleistung verbessert, und außerdem ergibt sich der Vorteil einer verringerten Bauhöhe des Abpumpsystems.In a further embodiment of the invention is in a laundry treatment machine, the laundry drum is equipped drivable for spinning and their tub is connected to a drain pipe via a drain hose with a suction on the pump whose level is lower than the drain pipe, provided that the drain pipe so angled inclined to the tub container coat is attached, that he supported in a least preferably maintained spin rotation direction of the laundry drum thrown off water in its expiration. As a result, the flow conditions in the pumping system and thus the delivery rate are improved, and also there is the advantage of a reduced overall height of the pumping system.

Als ein wesentlicher Vorteil ergibt sich aus dieser Anordnung, dass der Ablaufschlauch unter einem für die abgeschleuderte Lauge strömungsgünstigeren Winkel am Laugenbehälter angebracht ist. Dies wirkt sich wie auch die spezielle Ausbildung des Ablaufschlauches, der gemäß einer vorteilhaften Weiterbildung der Erfindung vom Ablaufstutzen bis zum Ansaugstutzen in möglichst wenigen, kontinuierlichen Krümmungen geführt ist, insbesondere in solchen Abpumpphasen vorteilhaft aus, bei denen ein Gemisch aus Wasser und Schaum zu fördern ist. Bei gleicher Weite des Ablaufschlauches wie ohne diese Weiterbildung ist die Durchlaufgeschwindigkeit des Wasser-Schaum-Gemisches größer, der Abpumpvorgang wird verkürzt.As a significant advantage resulting from this arrangement that the drain hose is mounted under a streamlined for the thrown off liquor angle on the tub. This affects as well as the special design of the drain hose, which is guided in accordance with an advantageous embodiment of the invention from the outlet pipe to the intake manifold in as few continuous bends, especially in such Abpumpphasen advantageous in which a mixture of water and foam is to promote , At the same width of the drain hose as without this development, the flow rate of the water-foam mixture is greater, the pumping is shortened.

Den größten Nutzen für den Benutzer einer erfindungsgemäßen Wäschebehandlungsmaschine kann man dadurch erzielen, dass die Achse der Pumpenwelle in bezug auf die Horizontale winklig auf der Frontfläche steht. Dann ist die Pumpenkammer von ihrer geöffneten Zugangsabdeckung her am leichtesten zugänglich und einsehbar.The greatest benefit to the user of a laundry treating machine according to the invention can be achieved in that the axis of the pump shaft is at an angle on the front surface with respect to the horizontal. Then the pump chamber is hers opened access cover ago most accessible and visible.

Die Erfindung ist nachstehend anhand eines Ausführungsbeispiels näher erläutert. In der zugehörigen Zeichnung zeigen schematisch

Fig. 1
eine Waschmaschine in einer Vorderansicht mit Durchblick auf Laugenbehälter und Laugenpumpe,
Fig. 2
die Waschmaschine gemäß Fig. 1 in einer entsprechenden Ansicht auf die linke Seite,
Fig. 3
die Waschmaschine gemäß Fig. 1 in einer entsprechenden Ansicht von oben und
Fig. 4
eine Ansicht von oben auf die Waschmaschine gemäß Fig. 1 bei abgenommener Arbeitsplatte.
The invention is explained below with reference to an embodiment. In the accompanying drawing show schematically
Fig. 1
a washing machine in a front view with a view of the tub and the tub,
Fig. 2
the washing machine according to Fig. 1 in a corresponding view on the left side,
Fig. 3
the washing machine according to Fig. 1 in a corresponding view from above and
Fig. 4
a view from the top of the washing machine according to Fig. 1 with removed worktop.

Als Ausführungsbeispiel wird eine Frontlader-Waschmaschine mit einem Gehäuse 1 mit Frontwand 5, Seitenwand 3 und Rückwand 17 sowie mit einem geneigten Schwingsystem aus Laugenbehälter 6 und einer darin drehbar gelagerten Wäschetrommel 12 gewählt, d.h. eine Waschmaschine mit einer frontalen durch eine Tür 14 abgedeckten Beschickungsöffnung und einer zur Beschickungsöffnung hin ansteigend ausgerichteten Trommelachse 7. Aus Gründen einer vereinfachten und auf das Wesentliche beschränkten Darstellung wurde auf die Aufnahme von Einzelheiten in den Abbildungen weitestgehend verzichtet.As an embodiment, a front loader washing machine with a housing 1 with front wall 5, side wall 3 and rear wall 17 and with an inclined oscillating system of tub 6 and a rotatably mounted therein laundry drum 12 is selected, i. a washing machine with a frontal through a door 14 covered feed opening and a feed opening towards rising drum axis 7. For the sake of a simplified and limited to the essentials representation has been omitted in the figures as far as possible.

Direkt hinter der Frontwand 5 und in unmittelbarer Nähe zu einer Seitenwand 3 ist an der Bodenplatte 4 des Waschmaschinengehäuses 1 die Laugenpumpe 2 befestigt. Sie ist gemäß der Darstellung ihrer Drehachse 9 in Fig. 2 nach vorn angehoben und entsprechend Fig. 3 zusätzlich um die Vertikalachse 16 zur Gerätemitte hin geschwenkt ausgerichtet, so dass ihre Mittelachse 9 mit der senkrechten Mittelebene, auf der die Trommelachse 7 liegt, einen spitzen Winkel α bildet. Dadurch ist die in Fig. 1 sichtbare Zugangsabdeckung 15 der Laugenpumpe 2 weiter zur Mitte der Frontwand hin positioniert, was die Einsichtnahme und den Zugang zur Laugenpumpe 2 bei ungünstiger Aufstellung der Waschmaschine im Aufstellungsraum verbessert.Directly behind the front wall 5 and in the immediate vicinity of a side wall 3, the drain pump 2 is attached to the bottom plate 4 of the washing machine housing 1. It is in accordance with the representation of its axis of rotation 9 in Fig. 2 raised forward and accordingly Fig. 3 additionally aligned pivoted about the vertical axis 16 to the center of the device, so that its central axis 9 forms an acute angle α with the vertical median plane on which the drum axis 7 is located. This is the in Fig. 1 visible access cover 15 of the drain pump 2 further positioned towards the center of the front wall, which improves the visibility and access to the drain pump 2 in unfavorable installation of the washing machine in the installation room.

Der Ablaufstutzen 8 am Laugenbehälter 6 ist abweichend von der üblichen Bauweise nicht senkrecht nach unten gerichtet angesetzt, sondern in Hauptdrehrichtung des Schleuderlaufs der Wäschetrommel 12 (Pfeilrichtung) winkelig weg geschwenkt. Die fluide Verbindung zwischen Laugenbehälter 6 und Laugenpumpe 2 wird über einen schwingungselastischen Schlauch 11 realisiert. Der Ablaufschlauch 11 und seine Führung vom Laugenbehälter 6 zur Laugenpumpe 2 sind aus Figur 1 und 4 erkennbar. Der Ablaufschlauch 11 ist mit einem notwendigen Gefälle montiert. Er ist aus einem elastischen Material gefertigt (z.B. Gummi) und hat mindestens einen gewellten Abschnitt, um die Schwingungselastizität zusätzlich zu verbessern. Die beiden Enden sind mit leichten Bögen so abgewinkelt, dass sie eine kontinuierliche Strömung vom Ablaufstutzen 8 am Laugenbehälter 6 zum Ansaugstutzen 10 der Laugenpumpe 2 ermöglichen und mit diesen mechanisch fest und flüssigkeitssicher verbunden sind.The outlet pipe 8 on the tub 6 is deviating from the usual design not directed vertically downwards, but pivoted away in the main direction of rotation of the spin cycle of the laundry drum 12 (arrow) at an angle. The fluid connection between the tub 6 and the drain pump 2 is realized via a flexible elastic hose 11. The drain hose 11 and its guide from the tub 6 to the drain pump 2 are off FIG. 1 and 4 recognizable. The drain hose 11 is mounted with a necessary slope. It is made of an elastic material (eg rubber) and has at least one corrugated section to further enhance the elasticity of the vibration. The two ends are angled with slight bends so that they allow a continuous flow from the outlet pipe 8 to the tub 6 to the intake manifold 10 of the drain pump 2 and are mechanically fixed and fluid-tight connected with them.

Diese Maßnahme wirkt sich in gleicher Weise wie die erfindungsgemäße Ausrichtung des Ablaufstutzens 8 am Laugenbehälter 6 vorteilhaft auf die Pumpleistung aus, insbesondere bei einem zu fördernden Gemisch aus Schaum und Wasser und insbesondere bei einem in Schleuderdrehrichtung aus der Senkrechten geschwenkten Ablaufstutzen 8. Der gesamte Abpumpvorgang läuft dadurch in einer sehr kurzen Zeit ab. Der Ansaugstutzen 10 der Laugenpumpe 2 zum Anschluss des Ablaufschlauches 11 ist auf das Zentrum der Pumpenkammer gerichtet. In Verbindung mit der erfindungsgemäßen Auslegung des Ablaufschlauches 11 und des Ablaufstutzens 8 am Laugenbehälter 6 ist so eine minimale Bauhöhe des gesamten Abpumpsystems erreichbar.This measure has the same effect as the inventive alignment of the outlet nozzle 8 on the tub 6 advantageously on the pump power, especially in a conveyed mixture of foam and water and in particular in a spinning direction of rotation from the vertical swiveled outlet pipe 8. The entire pumping process is running in a very short time. The intake port 10 of the drain pump 2 for connection of the drain hose 11 is directed to the center of the pump chamber. In conjunction with the invention Design of the drain hose 11 and the outlet nozzle 8 on the tub 6 so a minimum height of the entire pumping system can be achieved.

Bei der in Fig. 4 dargestellten Ansicht der Waschmaschine von oben kann man bei abgenommener Arbeitsplatte in die Maschine blicken. Der die am Boden der Waschmaschine montierten Baugruppen abdeckende Laugenbehälter 6 ist hier nur mit einer unterbrochenen Linie dargestellt, so dass das dicht über der Bodenplatte montierte Abpumpsystem der Waschmaschine sichtbar wird. Aus dieser Ansicht ist die strömungsgünstige Formung des Ablaufschlauches 11 ersichtlich, der an den schräg nach rechts abgewinkelten Ablaufstutzen 8 angeschlossen ist und im sanften Bogen zum Ansaugstutzen 10 der Laugenpumpe 2 geführt ist, der sich an der Seite der für die Filtereinrichtung vorgesehenen Vorkammer befindet. Über den Druckstutzen 13 (Fig. 4) der Laugenpumpe 2 und einen nicht dargestellten Abpumpschlauch kann die Lauge schließlich aus der Waschmaschine entfernt werden. Durch die zur Mitte der Frontseite 5 hin geschwenkte Laugenpumpe 2 ist diese gut von vorn zugänglich, selbst wenn die Waschmaschine bündig mit der rechten Seitenwand 3 an eine Hauswand gerückt sein sollte.At the in Fig. 4 View of the washing machine from above can be seen with the worktop removed in the machine. The lye container 6 covering the assemblies mounted on the bottom of the washing machine is shown here only with a broken line, so that the pumping system of the washing machine mounted tightly above the base plate becomes visible. From this view, the streamlined shaping of the drain hose 11 can be seen, which is connected to the obliquely angled right outlet nozzle 8 and is guided in a gentle arc to the intake manifold 10 of the drain pump 2, which is located on the side of the filter device for the pre-chamber. About the discharge nozzle 13 ( Fig. 4 ) of the drain pump 2 and a pumping hose, not shown, the liquor can be finally removed from the washing machine. By swung to the middle of the front side 5 through the drain pump 2, this is easily accessible from the front, even if the washing machine should be flush with the right side wall 3 to a house wall.

Die mit der Erfindung erzielbaren vorteilhaften Effekte wirken sich im vollen Umfang aus bei Geräten mit stark eingeschränktem Einbauraum für das Abpumpsystem. Wie aus dem beschriebenen Ausführungsbeispiel erkennbar, ist die Umsetzung der Erfindung sehr einfach. Der notwendige Aufwand beschränkt sich darauf, die Geometrie bekannter Bauteile bzw. ihre Anordnung zueinander aufeinander abzustimmen.The advantageous effects achievable with the invention have a full effect on devices with a very limited installation space for the pump-down system. As can be seen from the described embodiment, the implementation of the invention is very simple. The necessary effort is limited to matching the geometry of known components or their arrangement to each other.

Claims (4)

  1. Laundry treatment machine including a solution container (6) with a loading opening, in which a laundry drum (12) is mounted to be rotatable about an axis which is horizontal or inclined so as to rise towards the front, as well as a liquid pumping-out system including a pump (2) for conducting away a liquid used in the laundry treatment machine, wherein the pump chamber is accessible from the front surface (5) of a cabinet-shaped outer housing (1) of the laundry treatment machine, characterised in that the axis (9) of the pump shaft is pivoted about a vertical (16) in such a manner that as seen from the front it includes an acute angle (α) with a vertical centre plane of the housing (1) running from the front surface (5) to the rear wall (17) so that the pump (2) is arranged to be swivelled in direction towards the loading opening and faces away from a lateral wall (3) of the laundry treatment machine.
  2. Laundry treatment machine according to claim 1, the laundry drum (12) of which is equipped to be drivable for spinning and the solution container (6) of which is connected by an outflow stub pipe (8) via an outflow hose (11) with a suction stub pipe (10) at the pump (2), the level of which is lower than the outflow stub pipe (8), characterised in that the outflow stub pipe (8) is placed on the solution container casing at such an angular inclination that it assists the outflow of centrifuged water in an at least preferentially maintained spinning rotational direction of the laundry drum (12).
  3. Laundry treatment machine according to claim 2, characterised in that the outflow hose (11) is led from the outflow stub pipe (8) to the suction stub pipe (10) in as few as possible continuous curvatures.
  4. Laundry treatment machine according to any one of claims 1 to 3, characterised in that the axis (9) of the pump shaft is disposed angularly to the front surface (5) with respect to the horizontal.
EP04015228A 2003-08-04 2004-06-29 Laundry treatment machine with drain pump system Expired - Lifetime EP1505192B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL04015228T PL1505192T3 (en) 2003-08-04 2004-06-29 Laundry treatment machine with drain pump system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10335623 2003-08-04
DE10335623A DE10335623A1 (en) 2003-08-04 2003-08-04 Laundry appliance

Publications (3)

Publication Number Publication Date
EP1505192A2 EP1505192A2 (en) 2005-02-09
EP1505192A3 EP1505192A3 (en) 2005-10-19
EP1505192B1 true EP1505192B1 (en) 2012-03-07

Family

ID=33547064

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04015228A Expired - Lifetime EP1505192B1 (en) 2003-08-04 2004-06-29 Laundry treatment machine with drain pump system

Country Status (6)

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US (1) US7299663B2 (en)
EP (1) EP1505192B1 (en)
CN (1) CN1318675C (en)
AT (1) ATE548497T1 (en)
DE (1) DE10335623A1 (en)
PL (1) PL1505192T3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101461941B1 (en) * 2008-02-12 2014-11-14 엘지전자 주식회사 Device for treating laundry
DE102013213796A1 (en) * 2013-07-15 2015-01-15 BSH Bosch und Siemens Hausgeräte GmbH Clothes drying device with a pump unit
DE102022203313A1 (en) 2022-04-04 2023-10-05 BSH Hausgeräte GmbH Laundry care device with a pump

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Also Published As

Publication number Publication date
EP1505192A2 (en) 2005-02-09
EP1505192A3 (en) 2005-10-19
CN1580363A (en) 2005-02-16
US20050028565A1 (en) 2005-02-10
CN1318675C (en) 2007-05-30
ATE548497T1 (en) 2012-03-15
US7299663B2 (en) 2007-11-27
PL1505192T3 (en) 2012-08-31
DE10335623A1 (en) 2005-03-10

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