EP2764151B1 - Laundry drum - Google Patents

Laundry drum Download PDF

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Publication number
EP2764151B1
EP2764151B1 EP12769091.5A EP12769091A EP2764151B1 EP 2764151 B1 EP2764151 B1 EP 2764151B1 EP 12769091 A EP12769091 A EP 12769091A EP 2764151 B1 EP2764151 B1 EP 2764151B1
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EP
European Patent Office
Prior art keywords
laundry
agitator
laundry drum
drum
walls
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.)
Not-in-force
Application number
EP12769091.5A
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German (de)
French (fr)
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EP2764151A1 (en
Inventor
Andreas Stolze
Günter Steffens
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication date
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Priority to PL12769091T priority Critical patent/PL2764151T3/en
Publication of EP2764151A1 publication Critical patent/EP2764151A1/en
Application granted granted Critical
Publication of EP2764151B1 publication Critical patent/EP2764151B1/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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/06—Ribs, lifters, or rubbing means forming part of the receptacle
    • 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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02—Rotary receptacles, e.g. drums
    • D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical axis
    • D06F37/14—Ribs or rubbing means forming part of the receptacle

Definitions

  • the invention is in the field of laundry care and laundry treatment equipment and relates to a laundry drum with at least one Wäschemit commentary with a driver comb to run on the two extending from the inner shell of the laundry drum carrier walls.
  • a laundry rinse aid for a laundry treatment machine which is suitable for different treatment situations (for example the wash cycle or the drying cycle) and / or different Operating situations (for example, different loading of the laundry drum) is optimized.
  • the object is achieved in a laundry drum in that at least one force-transmitting connecting web hinged to the mutually facing inner sides of the Mit predominantly constituting a laundry drum in that at least one force-transmitting connecting web hinged to the mutually facing inner sides of the Mit predominantlymonary counterpart and the elasticity of the Mit predominantlymonary counterpart is dimensioned such that at an operative pressure of an outer side of a driver wall of the driver comb under elastic curvature of the Waschemit employerss moved to the side of the pressurization.
  • the laundry drum according to the invention can thus advantageously respond to the current load situation and the current operating requirements by a different degree of curvature of their Wäschemit commentary.
  • By elastically designed Mit Anlagenrome it is possible in conjunction with the at least one, the mutually facing inner sides of the Mit Conversely connecting, force-transmitting connecting web and its linkage that changes the profile and the outer geometry of the Wäschemit supplementss at a proper pressurization of an outside and optimized to the adjusts the current operating situation of the laundry drum or the laundry treatment machine.
  • the Wäschemit nowadays curls elastically and reversibly so that its driver comb moves to the side of the pressurization.
  • the degree of the curvature can preferably be proportional to the load or the pressurization.
  • the load acting on the Wäschemit tedious tediousness and thus the pressurization may, for example, by the rotational speed (eg when spinning), by the introduced amount of laundry or else by the water and alkali content of the laundry to be treated and / or the type of laundry or their specific weight change ,
  • a particular advantage of the invention consists in the fact that this optimized adaptation also comes into play in operation with reversed direction of rotation of the laundry drum.
  • the at least one connecting web is designed so that it evades elastically when operating according to pressure.
  • Such dodging can be done on the one hand by a deformation of the connecting web or on the other hand by an initiated from the connecting web in the Mit Conversely deformation.
  • a preferred development of the invention provides that the at least one connecting web is rotatably connected with its ends via at least one film hinge with the respective inner side. This allows a particularly dimensionally stable and manufacturing technology comparatively simple implementation of the Wäschemit ceremoniess invention.
  • the Mitscheau and the at least one connecting web are made in one piece from a plastic.
  • FIG. 1 schematically shows a laundry drum 1 with a plurality of uniformly distributed over the circumference 2 on the inside of the shell 3 Wäschemit Meetingn 4.
  • the laundry drum 1 can moreover essentially as the laundry drum in the laundry treatment machine according to the aforementioned DE 10 2008 054 998 B3 be formed and find use in such a machine.
  • Each Wäschemit curriculum 4 consists essentially of two Mit supportive professionn 5, 6, starting from a foot area on the jacket 3 of the laundry drum 1 at an acute angle 8 converge and unite in the driver comb 10.
  • FIG. 2a shows the Mitscheaunum 5, 6 made of an elastic material, preferably plastic, and have connecting webs 11, 12, 13, 14, 15, which extend substantially horizontally between the mutually facing inner sides 5a, 6a of the Mit Conversely 5, 6 ,
  • the connecting webs 11 to 15 are connected at their respective ends (for example, 11a, 11b) to the respective driver wall 5, 6, to which corresponding film hinges 18, 19, that is, localized thinned areas, may be provided to increase the mobility of the connecting webs 11 to 15 against the Mitschmindur 5 and 6 to give.
  • the connecting webs 11 to 15 are made of an elastic material - preferably in one-piece production with the Mitschassin 5 and 6 in the same plastic - and designed so that they at a Pressurization on one of the driver walls 5, 6 yield elastically and deform or introduce corresponding deformations in the Mit supportivemind 5, 6.
  • FIG. 2a is indicated by an arrow 30, a pressurization, for example, due to the direction of rotation 31 by the inertial forces wet, abutting the wall 5 laundry 32 (see FIG. 1 ).
  • the driving comb 10 moves to the left, that is, substantially counter to the direction of the pressurization 30 to the side 33 out.
  • FIG. 2b is a load-free situation and geometry of the Wäschemit interventions 4 shown, for example, the situation of the two other Wäschemit interventions in the in FIG. 1 shown washing drum 1.
  • the curvature 45 of the Wäschemit exercises 4 is dependent on the strength of the pressure load 46, which is characterized here by several pressure load arrows 46 as increased.
  • the laundry drum according to the invention thus has the property, depending on the load situation - for example due to increased or reduced loading or increased or reduced rotational speeds - to take an optimized each for taking laundry contour due to their load-optimizing their shape-optimizing Wäschemithole.
  • a laundry care machine equipped with such laundry picklers can be optimized and operated in an energy-saving manner, because the treatment intensity thus improved can be increased or the treatment duration can be shortened by the thus optimized laundry picking.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Description

Die Erfindung liegt auf dem Gebiet der Wäschepflege- und Wäschebehandlungsgeräte und betrifft eine Wäschetrommel mit mindestens einem Wäschemitnehmer mit einem Mitnehmerkamm, auf den zwei sich von dem Innenmantel der Wäschetrommel aus erstreckende Mitnehmerwände zu laufen.The invention is in the field of laundry care and laundry treatment equipment and relates to a laundry drum with at least one Wäschemitnehmer with a driver comb to run on the two extending from the inner shell of the laundry drum carrier walls.

Aus der Deutschen Patentschrift DE 10 2008 054 998 B3 geht eine Wäschetrommel mit mehreren derartigen Wäschemitnehmern hervor, die in an sich bekannter Weise in einem Laugenbehälter drehbar angeordnet ist und durch einen Antriebsmotor in Rotation versetzt werden kann. Die bevorzugt äquidistant über den Umfang der innenseitigen Mantelfläche der Wäschetrommel verteilten Wäschemitnehmer erstrecken sich bevorzugt über die gesamte axiale Tiefe der Wäschetrommel und können in Axialrichtung der Wäschetrommel gesehen gerade oder auch schraubenförmig verlaufen. Sie haben im Querschnitt im Wesentlichen dreiecksförmige Gestalt und weisen zwei Mitnehmerwände auf. Diese sind mit ihrem jeweiligen Fuß mit der innenseitigen Mantelfläche der Wäschetrommel verbunden und erstrecken sich in einem Winkel aufeinander zu laufend, so dass sie an ihrem Verbindungs- oder Übergangsbereich eine Spitze oder einen gerundeten Übergangsbereich - nachfolgend auch als Mitnehmerkamm bezeichnet - ausbilden. Bei Rotation der Wäschetrommel nehmen die Wäschemitnehmer das Waschgut entlang eines Kreisbogens einen Weg mit, bevor das Waschgut außer Eingriff mit dem Wäschemitnehmer kommt und in die Waschlauge bzw. in den unteren Trommelbereich zurück fällt.From the German patent DE 10 2008 054 998 B3 goes out a laundry drum with several such Wäschemitnehmern, which is rotatably arranged in a conventional manner in a tub and can be rotated by a drive motor in rotation. The preferably equidistantly distributed over the circumference of the inside lateral surface of the laundry drum Wäschemitnehmer preferably extend over the entire axial depth of the laundry drum and can be viewed in the axial direction of the laundry drum straight or helical. They have a substantially triangular shape in cross section and have two Mitnehmerwände. These are connected with their respective foot to the inside lateral surface of the laundry drum and extend at an angle to each other running, so that they at their connection or transition region a tip or a rounded transition region - hereinafter also referred to as Mitnehmerkamm - train. Upon rotation of the laundry drum, the laundry people take the laundry along a circular path with a way before the laundry comes out of engagement with the Wäschemitnehmer and falls back into the wash or in the lower drum area.

Das Dokument US 2 771 766 A beschreibt eine Wasch- und Schleudermaschine, bei der die umlaufende Trommel an der Innenwand Mitnehmerleisten trägt, wobei mindestens eine der Mitnehmerkästen derart elastisch ausgiebfldet ist, daß sie bei der Schleudergeschwindigkeit unter der Einwirkung der Fliehkraft des Waschgutes eine elastische Formänderung erfährt.The document US 2,771,766 A describes a washing and spinning machine in which the rotating drum carries on the inner wall carrier strips, wherein at least one of the Mitnehmerkästen is so elastically ausgeiebfldet that it undergoes an elastic deformation in the spin speed under the action of centrifugal force of the laundry.

Aufgrund der üblicherweise alternierend sich umkehrenden Drehrichtung der Wäschetrommel sind die bekannten Wäschemitnehmer symmetrisch ausgebildet. Damit sind aber der geometrischen Gestaltung zur Optimierung der Wäschemitnahme Grenzen gesetzt.Due to the usually alternately reversing direction of rotation of the laundry drum known Wäschemitnehmer are symmetrical. However, this limits the geometric design for optimizing the laundry.

Vor diesem Hintergrund besteht eine Aufgabe der vorliegenden Erfindung in der Schaffung eines Wäschemitnehmers für die Wäschetrommel einer Wäschebehandlungsmaschine, der für verschiedene Behandlungssituationen (beispielsweise den Waschgang oder den Trockengang) und/oder unterschiedliche Betriebssituationen (beispielsweise unterschiedliche Beladung der Wäschetrommel) optimiert ist.Against this background, it is an object of the present invention to provide a laundry rinse aid for a laundry treatment machine which is suitable for different treatment situations (for example the wash cycle or the drying cycle) and / or different Operating situations (for example, different loading of the laundry drum) is optimized.

Diese Aufgabe wird erfindungsgemäß bei einer Wäschetrommel entsprechend der Merkmalskombination des unabhängigen Patentanspruchs gelöst. Vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus der nachfolgenden Beschreibung und aus der beigefügten Zeichnung sowie aus den abhängigen Patentansprüchen, deren Merkmale einzeln und in beliebiger Kombination miteinander angewendet werden können.This object is achieved in a laundry drum according to the combination of features of the independent claim. Advantageous embodiments of the invention will become apparent from the following description and from the accompanying drawings and from the dependent claims, the features of which can be used individually and in any combination with each other.

Demnach ist die Aufgabe erfindungsgemäß bei einer Wäschetrommel dadurch gelöst, dass mindestens ein kraftübertragender Verbindungssteg an den einander zugewandten Innenseiten der Mitnehmerwände derart angelenkt und die Elastizität der Mitnehmerwände derart bemessen ist, dass sich bei einer betriebsgemäßen Druckbeaufschlagung einer Außenseite einer Mitnehmerwand der Mitnehmerkamm unter elastischer Verkrümmung des Wäschemitnehmers zur Seite der Druckbeaufschlagung hin bewegt.According to the invention, the object is achieved in a laundry drum in that at least one force-transmitting connecting web hinged to the mutually facing inner sides of the Mitnehmerwände and the elasticity of the Mitnehmerwände is dimensioned such that at an operative pressure of an outer side of a driver wall of the driver comb under elastic curvature of the Waschemitnehmers moved to the side of the pressurization.

Die erfindungsgemäße Wäschetrommel kann damit vorteilhafterweise auf die aktuelle Belastungssituation und die aktuellen Betriebserfordernisse durch eine unterschiedlich starke Verkrümmung ihrer Wäschemitnehmer reagieren. Durch die elastisch konzipierten Mitnehmerwände ist es im Zusammenspiel mit dem wenigstens einen, die einander zugewandten Innenseiten der Mitnehmerwände verbindenden, kraftübertragenden Verbindungssteg und dessen Anlenkung möglich, dass sich bei einer betriebsgemäßen Druckbeaufschlagung einer Außenseite das Profil bzw. die Außengeometrie des Wäschemitnehmers verändert und optimiert an die gegenwärtige Betriebssituation der Wäschetrommel bzw. der Wäschebehandlungsmaschine anpasst. Dabei krümmt sich der Wäschemitnehmer elastisch und reversibel derart, dass sein Mitnehmerkamm sich zur Seite der Druckbeaufschlagung hin bewegt. Dabei kann bevorzugt der Grad der Verkrümmung proportional zu der Belastung bzw. der Druckbeaufschlagung sein. Die auf den Wäschemitnehmer wirkende Belastung und damit die Druckbeaufschlagung kann sich beispielsweise durch die Drehgeschwindigkeit (z.B. beim Schleudern), durch die eingebrachte Wäschemenge oder aber auch durch den Wasser- und Laugengehalt der zu behandelnden Wäsche und/oder der Wäscheart bzw. deren spezifisches Gewicht verändern.The laundry drum according to the invention can thus advantageously respond to the current load situation and the current operating requirements by a different degree of curvature of their Wäschemitnehmer. By elastically designed Mitnehmerwände it is possible in conjunction with the at least one, the mutually facing inner sides of the Mitnehmerwände connecting, force-transmitting connecting web and its linkage that changes the profile and the outer geometry of the Wäschemitnehmers at a proper pressurization of an outside and optimized to the adjusts the current operating situation of the laundry drum or the laundry treatment machine. In this case, the Wäschemitnehmer curls elastically and reversibly so that its driver comb moves to the side of the pressurization. In this case, the degree of the curvature can preferably be proportional to the load or the pressurization. The load acting on the Wäschemitnehmer and thus the pressurization may, for example, by the rotational speed (eg when spinning), by the introduced amount of laundry or else by the water and alkali content of the laundry to be treated and / or the type of laundry or their specific weight change ,

Ein besonderer Vorteil der Erfindung besteht dabei darin, dass diese optimierte Anpassung auch im Betrieb mit reversierter Drehrichtung der Wäschetrommel zum Tragen kommt.A particular advantage of the invention consists in the fact that this optimized adaptation also comes into play in operation with reversed direction of rotation of the laundry drum.

Das Zusammenspiel der Mitnehmerwände und des kraftübertragenden Verbindungssteges realisiert eine als sog. "Fin Ray (Flossen-Strahl)-Effekt" bekannt gewordene Erkenntnis der Bionik, die bisher nur in Anwendungsfällen Verwendung gefunden hat, bei denen es um eine optimierte Anpassung eines Formteiles an unterschiedliche Referenzformen, wie beispielsweise bei der Sitzfläche für einen alpinen Schlepplift ( DE 20 2009 010 377 U1 ) oder bei einer Auswringvorrichtung für einen Wischmopp ( DE 10 2006 045 615 B3 ) geht. Zudem ist aus einem Projektblatt "Finrayeffect.pdf" auf der Internetseite www.bionische-innovationen.de die Verwendung dieses Effekts für formangepasste Fugenausfüllungen bekannt.The interaction of the Mitnehmerwände and the force-transmitting connecting web realized as a so-called. "Fin Ray (Flossen-Strahl) -Effekt" become known knowledge of bionics, which has previously found use only in applications where it is an optimized adaptation of a molded part to different Reference forms, such as the seat for an Alpine ski lift ( DE 20 2009 010 377 U1 ) or in a wringing device for a mop ( DE 10 2006 045 615 B3 ) goes. In addition, from a project sheet "Finrayeffect.pdf" on the website www.bionische-innovationen.de the use of this effect for form-matched joint fills known.

Nach einer vorteilhaften Ausgestaltung der Erfindung ist der mindestens eine Verbindungssteg so ausgebildet, dass er bei der betriebsgemäßen Druckbeaufschlagung elastisch ausweicht. Solches Ausweichen kann einerseits durch eine Verformung des Verbindungssteges oder andererseits durch eine ausgehend vom Verbindungssteg in die Mitnehmerwände eingeleitete Verformung geschehen.According to an advantageous embodiment of the invention, the at least one connecting web is designed so that it evades elastically when operating according to pressure. Such dodging can be done on the one hand by a deformation of the connecting web or on the other hand by an initiated from the connecting web in the Mitnehmerwände deformation.

Eine bevorzugte Fortbildung der Erfindung sieht vor, dass der mindestens eine Verbindungssteg mit seinen Enden über je mindestens ein Filmscharnier mit der jeweiligen Innenseite drehbeweglich verbunden ist. Dies ermöglicht eine besonders formstabile und fertigungstechnisch vergleichsweise einfache Realisierung des erfindungsgemäßen Wäschemitnehmers.A preferred development of the invention provides that the at least one connecting web is rotatably connected with its ends via at least one film hinge with the respective inner side. This allows a particularly dimensionally stable and manufacturing technology comparatively simple implementation of the Wäschemitnehmers invention.

Nach einer fertigungstechnisch vorteilhaften Ausgestaltung der Erfindung sind die Mitnehmerwände und der mindestens eine Verbindungssteg einstückig aus einem Kunststoff gefertigt.According to a manufacturing technology advantageous embodiment of the invention, the Mitnehmerwände and the at least one connecting web are made in one piece from a plastic.

Um die mechanischen Eigenschaften des erfindungsgemäßen Wäschemitnehmers noch differenzierter und höchst zuverlässig wiederholbar zu gestalten, sieht eine vorteilhafte Weiterbildung der Erfindung vor, dass die zueinander zugewandten Innenseiten der Mitnehmerwände über mehrere Verbindungsstege miteinander verbunden sind.To make the mechanical properties of the Wäschemitnehmers invention even more differentiated and highly reliable repeatable, sees an advantageous Further development of the invention that the mutually facing inner sides of the Mitnehmerwände are connected to each other via a plurality of connecting webs.

Die Erfindung wird nachfolgend anhand eines in der Zeichnung figürlich dargestellten Ausführungsbeispiels weiter erläutert. Es zeigen:

Fig. 1
eine erfindungsgemäße Wäschetrommel und die
Figuren 2a bis 2d
ausschnittsweise verschiedene Belastungssituationen eines Wäschemitnehmers in einer erfindungsgemäßen Wäschetrommel.
The invention will be further explained with reference to an embodiment shown figuratively in the drawing. Show it:
Fig. 1
a laundry drum according to the invention and the
FIGS. 2a to 2d
partial different load situations of a Wäschemitnehmers in a laundry drum according to the invention.

Figur 1 zeigt schematisch eine Wäschetrommel 1 mit mehreren, gleichmäßig über den Umfang 2 auf der Mantelinnenseite 3 verteilten Wäschemitnehmern 4. Die Wäschetrommel 1 kann im Übrigen im Wesentlichen wie die Wäschetrommel in der Wäschebehandlungsmaschine gemäß der eingangs genannten DE 10 2008 054 998 B3 ausgebildet sein und in einer derartigen Maschine Verwendung finden. FIG. 1 schematically shows a laundry drum 1 with a plurality of uniformly distributed over the circumference 2 on the inside of the shell 3 Wäschemitnehmern 4. The laundry drum 1 can moreover essentially as the laundry drum in the laundry treatment machine according to the aforementioned DE 10 2008 054 998 B3 be formed and find use in such a machine.

Die Besonderheiten der Wäschetrommel werden im Zusammenhang mit der Erläuterung der Figuren 2a bis 2d noch besonders deutlich. Jeder Wäschemitnehmer 4 besteht im Wesentlichen aus zwei Mitnehmerwänden 5, 6, die ausgehend von einem Fußbereich am Mantel 3 der Wäschetrommel 1 in einem spitzen Winkel 8 aufeinander zu laufen und sich im Mitnehmerkamm 10 vereinen.The peculiarities of the laundry drum are in connection with the explanation of the FIGS. 2a to 2d even more clearly. Each Wäschemitnehmer 4 consists essentially of two Mitnehmerwänden 5, 6, starting from a foot area on the jacket 3 of the laundry drum 1 at an acute angle 8 converge and unite in the driver comb 10.

Wie Figur 2a zeigt, sind die Mitnehmerwände 5, 6 aus einem elastischen Material, vorzugsweise Kunststoff, gebildet und weisen Verbindungsstege 11, 12, 13, 14, 15 auf, welche sich zwischen den einander zugewandten Innenseiten 5a, 6a der Mitnehmerwände 5, 6 im Wesentlichen waagerecht erstrecken. Die Verbindungsstege 11 bis 15 sind mit ihren jeweiligen Enden (beispielsweise 11a, 11 b) mit der jeweiligen Mitnehmerwand 5, 6 verbunden, wobei dazu entsprechende Filmscharniere 18, 19, das heißt lokalisierte verdünnte Stellen, vorgesehen sein können, um eine erhöhte Beweglichkeit der Verbindungsstege 11 bis 15 gegen die Mitnehmerwände 5 und 6 zu ergeben. Auch die Verbindungsstege 11 bis 15 sind aus einem elastischen Material - vorzugsweise in einstückiger Herstellung mit den Mitnehmerwänden 5 und 6 in demselben Kunststoff - hergestellt und so ausgelegt, dass sie bei einer Druckbeaufschlagung auf eine der Mitnehmerwände 5, 6 elastisch nachgeben und sich verformen oder entsprechende Verformungen in die Mitnehmerwände 5, 6 einleiten.As FIG. 2a shows the Mitnehmerwände 5, 6 made of an elastic material, preferably plastic, and have connecting webs 11, 12, 13, 14, 15, which extend substantially horizontally between the mutually facing inner sides 5a, 6a of the Mitnehmerwände 5, 6 , The connecting webs 11 to 15 are connected at their respective ends (for example, 11a, 11b) to the respective driver wall 5, 6, to which corresponding film hinges 18, 19, that is, localized thinned areas, may be provided to increase the mobility of the connecting webs 11 to 15 against the Mitnehmerwände 5 and 6 to give. The connecting webs 11 to 15 are made of an elastic material - preferably in one-piece production with the Mitnehmerwänden 5 and 6 in the same plastic - and designed so that they at a Pressurization on one of the driver walls 5, 6 yield elastically and deform or introduce corresponding deformations in the Mitnehmerwände 5, 6.

In Figur 2a ist durch einen Pfeil 30 eine Druckbeaufschlagung angedeutet, die beispielsweise aufgrund der Drehrichtung 31 durch die Trägheitskräfte nasser, an der Wand 5 anliegender Wäsche 32 (siehe Figur 1) hervorgerufen sein kann. Dabei bewegt sich der Mitnehmerkamm 10 nach links, also im Wesentlichen entgegen der Richtung der Druckbeaufschlagung 30 zur Seite 33 hin.In FIG. 2a is indicated by an arrow 30, a pressurization, for example, due to the direction of rotation 31 by the inertial forces wet, abutting the wall 5 laundry 32 (see FIG. 1 ). In this case, the driving comb 10 moves to the left, that is, substantially counter to the direction of the pressurization 30 to the side 33 out.

In Figur 2b ist eine belastungsfreie Situation und Geometrie des Wäschemitnehmers 4 dargestellt, beispielsweise die Situation der beiden weiteren Wäschemitnehmer in der in Figur 1 gezeigten Wäschetrommel 1.In FIG. 2b is a load-free situation and geometry of the Wäschemitnehmers 4 shown, for example, the situation of the two other Wäschemitnehmer in the in FIG. 1 shown washing drum 1.

Bei zur Drehrichtung 31 (Figur 2a) entgegen gesetzter Drehrichtung 35 (vgl. Figur 2c) ist entsprechend eine Druckbelastung 38 der Außenwand 6a der Mitnehmerwand 6 gegeben, was durch einen Druckbelastungspfeil 40 angedeutet ist. Demgemäß krümmt sich der Wäschemitnehmer 4 in gegenüber Figur 2a entgegen gesetzter Orientierung, also hier nach rechts ebenfalls auf die Seite der Druckbelastung 38 hin.When to the direction of rotation 31 ( FIG. 2a ) opposite direction of rotation 35 (see. Figure 2c ) is given a corresponding pressure load 38 of the outer wall 6a of the driver 6, which is indicated by a pressure load arrow 40. Accordingly, the Wäschemitnehmer 4 curves in opposite FIG. 2a opposite orientation, so here to the right also on the side of the pressure load 38 out.

Wie ferner in der Figur 2d angedeutet, ist die Krümmung 45 des Wäschemitnehmers 4 abhängig von der Stärke der Druckbelastung 46 , die hier durch mehrere Druckbelastungspfeile 46 als erhöht gekennzeichnet ist.As further in the Figure 2d indicated, the curvature 45 of the Wäschemitnehmers 4 is dependent on the strength of the pressure load 46, which is characterized here by several pressure load arrows 46 as increased.

Die erfindungsgemäße Wäschetrommel hat damit aufgrund ihrer belastungsabhängig ihre Form optimierenden Wäschemitnehmer die Eigenschaft, je nach Belastungssituation - beispielsweise durch erhöhte oder verminderte Beladung oder erhöhte oder verminderte Drehgeschwindigkeiten - eine jeweils zur Wäschemitnahme optimierte Kontur einzunehmen. Damit lässt sich eine mit solchen Wäschemitnehmern ausgestattete Wäschepflegemaschine optimiert und energiesparend betreiben, weil durch die so optimierte Wäschemitnahme die Behandlungsintensität gesteigert bzw. die Behandlungsdauer verkürzt werden kann.The laundry drum according to the invention thus has the property, depending on the load situation - for example due to increased or reduced loading or increased or reduced rotational speeds - to take an optimized each for taking laundry contour due to their load-optimizing their shape-optimizing Wäschemitnahme. Thus, a laundry care machine equipped with such laundry picklers can be optimized and operated in an energy-saving manner, because the treatment intensity thus improved can be increased or the treatment duration can be shortened by the thus optimized laundry picking.

Bezugszeichenreference numeral

11
Wäschetrommelwashing drum
22
Umfangscope
33
MantelinnenseiteCoat inside
44
Wäschemitnehmerlaundry agitator
5,65.6
MitnehmerwändeMitnehmerwände
5a, 6a5a, 6a
Innenseiteninsides
5b5b
Außenseiteoutside
88th
Winkelangle
1010
MitnehmerkammMitnehmerkamm
11, 1211, 12
Verbindungsstegeconnecting webs
11a, 11b11a, 11b
Endenend up
13, 1413, 14
Verbindungsstegeconnecting webs
1515
Verbindungsstegconnecting web
18, 1918, 19
Filmscharnierefilm hinges
2626
DruckbelastungspfeilePressure load arrows
3030
Druckbeaufschlagungpressurization
3131
Drehrichtungdirection of rotation
3232
WäscheLaundry
3333
Seitepage
3535
Drehrichtungdirection of rotation
3838
Druckbelastungpressure load
4040
DruckbelastungspfeilPressure load arrow
4545
Krümmungcurvature
4646
DruckbelastungspfeilPressure load arrow

Claims (5)

  1. Laundry drum (1) with at least one laundry agitator (4)
    - having an agitator comb (10) up to which run two agitator walls (5, 6) which extend up from the inner cylinder of the laundry drum,
    characterised in that
    - at least one force-transmitting connecting piece (11) is linked in such a way onto the inner sides (5a, 6a) of those agitator walls (5, 6) which face each other, and the elasticity of the agitator walls (5, 6) is so designed, that when a typical operational pressure (30) is imposed on an outer side (5a) of an agitator wall (5) the agitator comb (10) moves, by an elastic bending of the laundry agitator (4), towards the side (32) on which the pressure (30) is imposed.
  2. Laundry drum (1) according to claim 1, characterised in that the at least one joining piece (11) is so designed that it deflects elastically when the operational pressure (30) is imposed.
  3. Laundry drum (1) according to claim 1 or 2,
    characterised in that
    - the at least one connecting piece (11) is at its ends (11a, 11b) joined to the relevant inner side (5a, 6a) via at least one foil hinge (18, 19) which allows a turning movement.
  4. Laundry drum (1) according to at least one of the claims 1, 2 or 3,
    characterised in that
    - the agitator walls (5, 6) and the at least one joining piece (11, 12, 13, 14, 15) are made in one piece from a plastic.
  5. Laundry drum (1) according to at least one of the preceding claims,
    characterised in that
    - the inner sides (5a, 6a) of those agitator walls (5, 6) which face towards each other are joined to each other by several joining pieces (11, 12, 13, 14, 15).
EP12769091.5A 2011-10-05 2012-10-02 Laundry drum Not-in-force EP2764151B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL12769091T PL2764151T3 (en) 2011-10-05 2012-10-02 Laundry drum

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011084011A DE102011084011A1 (en) 2011-10-05 2011-10-05 washing drum
PCT/EP2012/069413 WO2013050347A1 (en) 2011-10-05 2012-10-02 Laundry drum

Publications (2)

Publication Number Publication Date
EP2764151A1 EP2764151A1 (en) 2014-08-13
EP2764151B1 true EP2764151B1 (en) 2016-02-03

Family

ID=46980951

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12769091.5A Not-in-force EP2764151B1 (en) 2011-10-05 2012-10-02 Laundry drum

Country Status (6)

Country Link
EP (1) EP2764151B1 (en)
CN (1) CN103842575B (en)
DE (1) DE102011084011A1 (en)
PL (1) PL2764151T3 (en)
RU (1) RU2566489C1 (en)
WO (1) WO2013050347A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018105566B4 (en) 2018-03-12 2023-03-23 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Flexible outlet valve

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013226883A1 (en) 2013-12-20 2015-06-25 BSH Hausgeräte GmbH Drum for drying laundry items, as well as clothes dryers with such
DE102014204520B4 (en) 2014-03-12 2020-02-27 BSH Hausgeräte GmbH Drum for maintaining laundry items with at least one driver, and machine with one
CN106087341A (en) * 2016-07-11 2016-11-09 黄受显 Washing machine
CN106087342A (en) * 2016-07-11 2016-11-09 黄受显 Top-opening door washing machine
DE102018105564A1 (en) 2018-03-12 2019-09-12 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Flexible outlet nozzle

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GB191506123A (en) * 1915-04-24 1916-04-06 R G Whitaker Ltd Improvements in and relating to Washing Machines.
US2771766A (en) * 1951-08-23 1956-11-27 Westinghouse Electric Corp Washing apparatus
JPH0433689A (en) * 1990-05-29 1992-02-05 Matsushita Electric Ind Co Ltd Drum type washing machine
DE4240230A1 (en) * 1992-11-30 1994-06-01 Bosch Siemens Hausgeraete Washing machine and method for operating a washing machine
DE10259059B4 (en) * 2002-12-17 2008-07-31 BSH Bosch und Siemens Hausgeräte GmbH Laundry drum for a drum washing machine
ITTO20050105A1 (en) * 2005-02-23 2006-08-24 Indesit Co Spa APPLIANCE APPLIANCE FOR THE TREATMENT OF LINEN WITH BASKET EQUIPPED WITH SOFT AND / OR ELASTIC ELEMENTS
DE102006029481A1 (en) * 2006-06-27 2008-01-03 BSH Bosch und Siemens Hausgeräte GmbH Modular system for laundry drums of laundry care appliances
DE102006045615B3 (en) 2006-09-25 2007-10-11 Carl Freudenberg Kg Mop wringing system comprises basket-shaped wringer mounted on bucket, into which mop head is pushed to wring it out, basket being made up of inner and outer strips connected at top and with spacers at base connected to them by film hinges
DE102008029911A1 (en) * 2008-06-24 2009-12-31 BSH Bosch und Siemens Hausgeräte GmbH Drum for washing machines and dryers comprises a flat catch side having a surface which is partly provided with a material which is gentle to laundry
DE102008054998B3 (en) 2008-12-19 2010-06-17 BSH Bosch und Siemens Hausgeräte GmbH Front loading washing machine, has guiding device arranged before drain pump, hollow cylindrical part comprising two ends, inner upper surface and external upper surface, and vane arranged on external upper surface
DE202009010377U1 (en) 2009-07-31 2009-12-17 Cermak, Markus Alpine transport element
CN201972006U (en) * 2011-03-05 2011-09-14 惠而浦(中国)投资有限公司 Shark fin-shaped wave wheel structure of wave wheel washing machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018105566B4 (en) 2018-03-12 2023-03-23 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Flexible outlet valve

Also Published As

Publication number Publication date
DE102011084011A1 (en) 2013-04-11
RU2566489C1 (en) 2015-10-27
EP2764151A1 (en) 2014-08-13
WO2013050347A1 (en) 2013-04-11
CN103842575A (en) 2014-06-04
CN103842575B (en) 2016-03-02
PL2764151T3 (en) 2016-07-29

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