EP2145992A1 - Laundry drum for a washing processing machine - Google Patents

Laundry drum for a washing processing machine Download PDF

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Publication number
EP2145992A1
EP2145992A1 EP09165476A EP09165476A EP2145992A1 EP 2145992 A1 EP2145992 A1 EP 2145992A1 EP 09165476 A EP09165476 A EP 09165476A EP 09165476 A EP09165476 A EP 09165476A EP 2145992 A1 EP2145992 A1 EP 2145992A1
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EP
European Patent Office
Prior art keywords
laundry drum
elevations
laundry
drum according
rows
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Granted
Application number
EP09165476A
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German (de)
French (fr)
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EP2145992B1 (en
Inventor
Johannes Geyer
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BSH Hausgeraete GmbH
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BSH Bosch und Siemens Hausgeraete GmbH
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F37/00Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/02Rotary receptacles, e.g. drums
    • D06F37/04Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
    • D06F37/06Ribs, lifters, or rubbing means forming part of the receptacle

Definitions

  • the invention relates to a laundry drum for a laundry treatment machine with a drum shell, which has structures distributed in the circumferential direction, which rise from the cylindrical shape of the mounted in the laundry drum drum shell.
  • Such a laundry drum is off DE 44 37 986 A1 known.
  • structures in the jacket sheet of a laundry drum in the form of staggered quadrangular or hexagonal arch surfaces are shown therein.
  • Such structures have been used in laundry drums mainly because they give the structured jacket sheet on the one hand a certain dimensional stability, which affects above all in a reduced acoustic tendency to oscillate.
  • such a structure also has a certain decorative effect.
  • a previously suspected beneficial effect on the mechanical laundry treatment could not be demonstrated in this type of structure.
  • the invention has for its object to find a casing sheet structure for a laundry drum described above, on the one hand has the advantageous properties of structures of the prior art, but also provides the basics for their formation to favorably influence the mechanical laundry treatment during the rotation of the drum.
  • structures are required, in addition to the strength-forming effect exert a certain frictional effect on the laundry, which enables the rotation of the laundry drum to take along the laundry parts over the largest possible angle of rotation.
  • this object is achieved by the characterizing part of claim 1 in such a way that the structures are distributed from distributed in the circumferential direction, annular elevations.
  • elevations can in many ways be designed to have a beneficial effect on the frictional action on the laundry during drum rotation. Since they also stabilize the drum shell to such an extent that the material used for the drum plate can be reduced to a minimum, that no acoustic oscillation tendencies are to be feared and that the surface properties of such a shaped lateral surface are ideal for the laundry treatment, an inventively designed laundry drum is an optimum represent for use in the laundry treatment.
  • Such elevations may be arranged in a more or less regular distribution on the drum shell.
  • the stiffening of the drum shell resulting from the provision of the structures according to the invention has the additional advantageous effect that the tendency of the drum shell to form acoustic resonances and a resulting roar is reduced if it caused by the laundry under normal use or in particular by the drive motor noise from the inside of a laundry treatment machine to which the laundry drum belongs is charged.
  • the annular projections may be arranged in rows which are oriented in the circumferential direction.
  • the elevations may follow straight rows that extend at least partially parallel or not parallel to each other and / or to the circumferential direction of the drum.
  • the rows may be circumferentially closed or interrupted. They may have equal or unequal distances to each other and may be the same or at least partially unequal or different in width.
  • the elevations of a row can be the same size and have a different series of different diameter. Even within a row, the diameters of the surveys may differ.
  • the annular projections may be circular or elliptical.
  • the drum shell has in particular no holes for the passage of fluid.
  • Fig. 1 is shown as a laundry treatment machine, a laundry drying machine whose mounted on the front side 1 feed opening 2 with the door removed gives an insight into the interior of the laundry drum 3. It has a cylindrical drum shell 4, on the inside of several Wäschemit Meeting 5 are evenly distributed. In addition, the drum shell 4 has inwardly rows 6 of annular bulged elevations, which will be explained in more detail with reference to the following figures. Since Wäschemit Meeting 5 like to be kept flat in drying machines, these surveys on the one hand ensure that a particularly gentle surface texture is achieved, which nevertheless generates an increased friction effect for laundry out, which despite the flat driver lifted the laundry at the drum rotation very far up from where it can fall freely through the dry air flow in the laundry drum. In addition, the surveys help to form the drum shell mechanically stiff, which otherwise fail to fear acoustic interference. On the other hand can be saved by lower wall thicknesses of the drum shell 4 by the considerable gain in rigidity material.
  • rows 6 of annular ridges 8 may be made according to FIG Fig. 1 seen in cross section of the sheet of such a drum shell 4 a in Fig. 2 or 3 take the form shown.
  • the elevation 8 gradually swings inward from the cylindrical shape of the region 7 of the drum shell 4, forms an annular ridge line with a diameter D and also swings softly back into the cylindrical shape of the region 7.
  • the remaining in the cylindrical shape areas 7 are closed in a laundry drying machine that does not require liquid exchange for the treatment process, ie they have no flood holes.
  • the distances A of the symmetry lines of the elevations 8 in FIGS. 2 and 3 equal to each other. These distances can also be unequal in size. This may play a role in such treatment processes where the laundry within the drum is unevenly distributed during its rotation.
  • Fig. 3 is a variant too Fig. 2 represented in which within each annular elevation 8, a concentric lenticular elevation 9 with a diameter d - hereinafter referred to briefly as the lens 9 - embossed into the cylindrical surface 7 of the laundry drum is.
  • the lens 9 - embossed into the cylindrical surface 7 of the laundry drum is.
  • Fig. 4 has the drum shell 4 on its inner side rows 6 of annular elevations 8 with lenses 9, which wrap around the drum shell in the circumferential direction 10 in a closed circle.
  • the rows 6 in the circumferential direction 10 may also have a limited length, for example in that an elevation 8 is omitted at regular intervals (eg every fifth elevation 8) or at irregular intervals.
  • the rows are shown at regular intervals A.
  • adjacent rows can also be arranged at unequal distances A. It is conceivable, for example, that the rows 6 are more closely spaced in the vicinity of the drum bases of a laundry drum than in the center of the drum.
  • the surveys must also not according to Fig. 4 be circular; their basic form can also be that of an ellipse.
  • the rows 6 also need not necessarily be parallel to the sidelines of the drum shell 4. There may be reasons for the rows 6 to wrap helically around the circumferential direction 10. Likewise, there may be reasons why rows 6 are odd. For example, alignments of the rows 6 in waveform or in zigzag lines are possible.
  • the values of the height H of the annular elevations 8 and of the lenses 9 can also be shaped. They can also be unequal in direct comparison. For example, it can be argued that the value of the height of the lens 9 is greater than the value of the height H of the annular elevation eighth
  • the values of the height H of the annular elevations 8 and / or 9 with each other may differ.
  • this slope can suddenly fall back to the initial value. This creates a discontinuity that leads in one drum rotation to a gentle laundry treatment, but in the other direction of rotation to a more intense treatment, if desired. Otherwise, however, regardless of the direction of rotation control of the laundry drum 3, the value of the height H alternately rise and fall steadily.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)

Abstract

The laundry drum has a drum body (4) comprising structures distributed in a circumferential direction (10), where the distributed structures elevate from a cylinder form of the drum body attached in the drum. The structures are formed from ring shaped embossments (8), which are arranged in rows (6). The rows extend parallel to the circumferential direction. The ring shaped embossments exhibit different diameter, where the rows not lie parallel to an outer line of the drum body.

Description

Die Erfindung betrifft eine Wäschetrommel für eine Wäschebehandlungsmaschine mit einem Trommelmantel, der in Umfangsrichtung verteilte Strukturen aufweist, die sich aus der Zylinderform des in der Wäschetrommel angebrachten Trommelmantels erheben.The invention relates to a laundry drum for a laundry treatment machine with a drum shell, which has structures distributed in the circumferential direction, which rise from the cylindrical shape of the mounted in the laundry drum drum shell.

Eine derartige Wäschetrommel ist aus DE 44 37 986 A1 bekannt. Darin werden vor allem Strukturen im Mantelblech einer Wäschetrommel in Form von gegeneinander versetzten viereckigen oder sechseckigen Wölbflächen gezeigt. Solche Strukturen sind bei Wäschetrommeln vorwiegend deshalb zur Anwendung gekommen, weil sie einerseits dem strukturierten Mantelblech eine gewisse Formstabilität verleihen, die sich vor allem in einer geminderten akustischen Schwingneigung auswirkt. Andererseits hat aber eine solche Struktur auch eine gewisse dekorative Wirkung. Ein einmal vermuteter vorteilhafter Einfluss auf die mechanische Wäschebehandlung konnte dagegen bei dieser Art der Struktur nicht nachgewiesen werden.Such a laundry drum is off DE 44 37 986 A1 known. In particular, structures in the jacket sheet of a laundry drum in the form of staggered quadrangular or hexagonal arch surfaces are shown therein. Such structures have been used in laundry drums mainly because they give the structured jacket sheet on the one hand a certain dimensional stability, which affects above all in a reduced acoustic tendency to oscillate. On the other hand, such a structure also has a certain decorative effect. On the other hand, a previously suspected beneficial effect on the mechanical laundry treatment could not be demonstrated in this type of structure.

Der Erfindung liegt die Aufgabe zugrunde, für eine eingangs beschriebene Wäschetrommel eine Mantelblechstruktur zu finden, die einerseits die vorteilhaften Eigenschaften von Strukturen des Standes der Technik aufweist, zusätzlich aber auch Grundlagen schafft für deren Ausbildung zur vorteilhaften Beeinflussung der mechanischen Wäschebehandlung während der Drehbewegung der Trommel. Insbesondere sind Strukturen gefragt, die neben der Festigkeit bildenden Wirkung eine gewisse Reibwirkung auf die Wäsche ausüben, die bei der Drehung der Wäschetrommel zum Mitnehmen der Wäscheteile über einen möglichst großen Drehwinkel befähigt.The invention has for its object to find a casing sheet structure for a laundry drum described above, on the one hand has the advantageous properties of structures of the prior art, but also provides the basics for their formation to favorably influence the mechanical laundry treatment during the rotation of the drum. In particular, structures are required, in addition to the strength-forming effect exert a certain frictional effect on the laundry, which enables the rotation of the laundry drum to take along the laundry parts over the largest possible angle of rotation.

Erfindungsgemäß wird diese Aufgabe durch das Kennzeichen des Anspruches 1 in der Weise gelöst, dass die Strukturen aus in der Umfangsrichtung verteilten, ringförmigen Erhebungen gebildet sind. Solche Erhebungen lassen sich nämlich - wie nachstehend noch erläutert werden wird - in vielerlei Hinsicht so ausbilden, dass sie während der Trommelrotation einen vorteilhaften Einfluss auf die Reibungswirkung gegenüber der Wäsche haben. Da sie den Trommelmantel außerdem in soweit stabilisieren, dass der Materialeinsatz für das Trommelblech auf ein Minimum reduzierbar ist, dass keine akustischen Schwingneigungen zu befürchten sind und dass die Oberflächeneigenschaften einer solchermaßen geformten Mantelfläche für die Wäschebehandlung geradezu ideal sind, wird eine erfindungsgemäß ausgebildete Wäschetrommel ein Optimum für den Einsatz in der Wäschebehandlung darstellen. Solche Erhebungen können in mehr oder weniger regelmäßiger Verteilung auf dem Trommelmantel angeordnet sein.According to the invention this object is achieved by the characterizing part of claim 1 in such a way that the structures are distributed from distributed in the circumferential direction, annular elevations. In fact, such elevations, as will be explained below, can in many ways be designed to have a beneficial effect on the frictional action on the laundry during drum rotation. Since they also stabilize the drum shell to such an extent that the material used for the drum plate can be reduced to a minimum, that no acoustic oscillation tendencies are to be feared and that the surface properties of such a shaped lateral surface are ideal for the laundry treatment, an inventively designed laundry drum is an optimum represent for use in the laundry treatment. Such elevations may be arranged in a more or less regular distribution on the drum shell.

Die aus dem Vorsehen der erfindungsgemäßen Strukturen resultierende Versteifung des Trommelmantels hat den zusätzlichen vorteilhaften Effekt, dass die Neigung des Trommelmantels zur Ausbildung akustischer Resonanzen und einem daraus resultierenden Dröhnen reduziert ist, wenn er durch die bei bestimmungsgemäßem Betrieb darin umherfallende Wäsche oder insbesondere vom Antriebsmotor verursachte Geräusche aus dem Inneren einer Wäschebehandlungsmaschine, zu der die Wäschetrommel gehört, belastet wird.The stiffening of the drum shell resulting from the provision of the structures according to the invention has the additional advantageous effect that the tendency of the drum shell to form acoustic resonances and a resulting roar is reduced if it caused by the laundry under normal use or in particular by the drive motor noise from the inside of a laundry treatment machine to which the laundry drum belongs is charged.

Vorteilhafte Weiterbildungen der erfindungsgemäßen Wäschetrommel sind in den Unteransprüchen angegeben. Deren Merkmale können einzeln oder in jeder beliebigen Kombination untereinander und mit den Merkmalen des Anspruches 1 angewendet werden, ohne den Rahmen der Erfindung zu verlassen.Advantageous developments of the laundry drum according to the invention are specified in the subclaims. Their features can be used individually or in any combination with each other and with the features of claim 1, without departing from the scope of the invention.

Vorteilhafterweise können die ringförmigen Erhebungen in Reihen angeordnet sein, die in Umfangsrichtung orientiert sind. So können die Erhebungen geraden Reihen folgen, die wenigstens partiell parallel oder nicht parallel zueinander und/oder zur Umfangsrichtung der Trommel sich erstrecken. Die Reihen können in Umfangsrichtung geschlossen oder unterbrochen sein. Sie können zueinander gleiche oder ungleiche Abstände haben und gleich oder wenigstens teilweise ungleich oder unterschiedlich breit sein. Sie können Wellenlinien, z. B. Sinuswellen, Zick-Zack-Linien oder Schraubenlinien folgen und in Bezug auf die Achsrichtung der Trommel gesehen zueinander gleichphasig oder gegeneinander versetzt sein. Auch können die Erhebungen einer Reihe gleich groß sein und die einer anderen Reihe davon abweichende Durchmesser aufweisen. Auch innerhalb einer Reihe können die Durchmesser der Erhebungen voneinander abweichen. Die ringförmigen Erhebungen können kreisrund oder elliptisch sein. Der Trommelmantel weist insbesondere keine Löcher zum Durchtritt von Fluid auf. Damit ist die Anwendung der Erfindung in einer Wäschebehandlungsmaschine in Form eines Wäschetrockners erschlossen.Advantageously, the annular projections may be arranged in rows which are oriented in the circumferential direction. Thus, the elevations may follow straight rows that extend at least partially parallel or not parallel to each other and / or to the circumferential direction of the drum. The rows may be circumferentially closed or interrupted. They may have equal or unequal distances to each other and may be the same or at least partially unequal or different in width. You can wave lines, z. As sine waves, zigzag lines or helical lines and seen in relation to the axial direction of the drum to be in phase with each other or offset from each other. Also, the elevations of a row can be the same size and have a different series of different diameter. Even within a row, the diameters of the surveys may differ. The annular projections may be circular or elliptical. The drum shell has in particular no holes for the passage of fluid. Thus, the application of the invention is developed in a laundry treatment machine in the form of a tumble dryer.

Anhand von in der Zeichnung dargestellten Ausführungsbeispielen wird die Erfindung nachfolgend näher erläutert. Im Einzelnen zeigen

Fig. 1
eine perspektivische Ansicht der Frontseite einer Wäschetrockenmaschine, mit freiem Einblick in die Wäschetrommel, deren Mantelblech auf der Innenseite mit reihenförmig angeordneten Erhebungen versehen ist,
Fig. 2
einen Querschnitt durch ein Mantelblech parallel zur Achsrichtung der Wäschetrommel mit ringförmigen Erhebungen,
Fig. 3
einen Querschnitt wie in Fig. 2 mit zusätzlich konzentrisch zu den ringförmigen Erhebungen angeordneten linsenförmigen Erhebungen und
Fig. 4
die Ansicht von Außen auf ein Mantelblech mit phasengleichen linienförmig angeordneten Reihen von Erhebungen aus Ringen und Linsen.
On the basis of embodiments shown in the drawings, the invention will be explained in more detail below. Show in detail
Fig. 1
a perspective view of the front of a laundry drying machine, with free insight into the laundry drum, the jacket plate is provided on the inside with rows arranged elevations,
Fig. 2
a cross section through a jacket plate parallel to the axial direction of the laundry drum with annular elevations,
Fig. 3
a cross section as in Fig. 2 additionally arranged concentrically with the annular elevations lenticular elevations and
Fig. 4
the view from the outside on a jacket plate with in-phase linear rows of rings and rings.

In Fig. 1 ist als eine Wäschebehandlungsmaschine eine Wäschetrockenmaschine dargestellt, deren an der Frontseite 1 angebrachte Beschickungsöffnung 2 bei abgenommener Tür einen Einblick in das Innere der Wäschetrommel 3 gewährt. Sie hat einen zylindrischen Trommelmantel 4, an deren Innenseite mehrere Wäschemitnehmer 5 gleichmäßig verteilt sind. Außerdem hat der Trommelmantel 4 nach innen Reihen 6 von ringförmig ausgewölbten Erhebungen, die anhand der nachfolgenden Figuren noch näher erläutert werden. Da Wäschemitnehmer 5 in Trockenmaschinen gern flach gehalten werden, sorgen diese Erhebungen einerseits dafür, dass eine besonders Wäsche schonende Oberflächengestaltung erzielt wird, die dennoch eine gesteigerte Reibwirkung zur Wäsche hin erzeugt, wodurch trotz der flachen Mitnehmer die Wäsche bei der Trommeldrehung sehr weit nach oben gehoben wird, von wo aus sie frei durch den Trockenluftstrom in der Wäschetrommel fallen kann. Außerdem helfen die Erhebungen, den Trommelmantel mechanisch schwingungssteif auszubilden, wodurch ansonsten zu befürchtende akustische Störungen ausbleiben. Andererseits lässt sich durch den erheblichen Zugewinn an Steifigkeit Material durch geringere Wandstärken des Trommelmantels 4 einsparen.In Fig. 1 is shown as a laundry treatment machine, a laundry drying machine whose mounted on the front side 1 feed opening 2 with the door removed gives an insight into the interior of the laundry drum 3. It has a cylindrical drum shell 4, on the inside of several Wäschemitnehmer 5 are evenly distributed. In addition, the drum shell 4 has inwardly rows 6 of annular bulged elevations, which will be explained in more detail with reference to the following figures. Since Wäschemitnehmer 5 like to be kept flat in drying machines, these surveys on the one hand ensure that a particularly gentle surface texture is achieved, which nevertheless generates an increased friction effect for laundry out, which despite the flat driver lifted the laundry at the drum rotation very far up from where it can fall freely through the dry air flow in the laundry drum. In addition, the surveys help to form the drum shell mechanically stiff, which otherwise fail to fear acoustic interference. On the other hand can be saved by lower wall thicknesses of the drum shell 4 by the considerable gain in rigidity material.

Beispielweise können Reihen 6 von ringförmigen Erhebungen 8 gemäß Fig. 1 im Querschnitt des Blechs eines solchen Trommelmantels 4 gesehen eine in Fig. 2 oder 3 dargestellte Form annehmen. Dabei schwingt die Erhebung 8 allmählich aus der Zylinderform des Bereichs 7 des Trommelmantels 4 nach innen aus, bildet eine ringförmige Firstlinie mit einem Durchmesser D und schwingt ebenso weich in die Zylinderform des Bereichs 7 zurück. Die in der Zylinderform verbleibenden Bereiche 7 sind bei einer Wäschetrockenmaschine, die zum Behandlungsprozess keinen Flüssigkeitsaustausch benötigt, geschlossen, d. h. sie haben keine Flutlöcher.For example, rows 6 of annular ridges 8 may be made according to FIG Fig. 1 seen in cross section of the sheet of such a drum shell 4 a in Fig. 2 or 3 take the form shown. In this case, the elevation 8 gradually swings inward from the cylindrical shape of the region 7 of the drum shell 4, forms an annular ridge line with a diameter D and also swings softly back into the cylindrical shape of the region 7. The remaining in the cylindrical shape areas 7 are closed in a laundry drying machine that does not require liquid exchange for the treatment process, ie they have no flood holes.

Dabei sind die Abstände A der Symmetrielinien der Erhebungen 8 in Fig. 2 und 3 untereinander gleich groß. Diese Abstände können aber auch ungleich groß sein. Dies kann eine Rolle in solchen Behandlungsprozessen spielen, bei denen sich die Wäsche innerhalb der Trommel während ihrer Rotation ungleichförmig verteilt.The distances A of the symmetry lines of the elevations 8 in FIGS. 2 and 3 equal to each other. These distances can also be unequal in size. This may play a role in such treatment processes where the laundry within the drum is unevenly distributed during its rotation.

In Fig. 3 ist eine Variante zu Fig. 2 dargestellt, bei der innerhalb jeder ringförmigen Erhebung 8 eine konzentrische linsenförmige Erhebung 9 mit einem Durchmesser d - nachfolgend kurz als Linse 9 bezeichnet - in die Zylinderfläche 7 der Wäschetrommel eingeprägt ist. Dadurch ist die Steifigkeit des Trommelmantels noch einmal erhöht und die Reibungswirkung zur Wäsche hin verstärkt.In Fig. 3 is a variant too Fig. 2 represented in which within each annular elevation 8, a concentric lenticular elevation 9 with a diameter d - hereinafter referred to briefly as the lens 9 - embossed into the cylindrical surface 7 of the laundry drum is. As a result, the rigidity of the drum shell is increased again and the friction effect reinforced to laundry out.

Gemäß Fig. 4 hat der Trommelmantel 4 an seiner Innenseite Reihen 6 von ringförmigen Erhebungen 8 mit Linsen 9, die in Umfangsrichtung 10 in einem geschlossenen Kreis den Trommelmantel umschlingen. Abweichend davon können die Reihen 6 in Umfangsrichtung 10 auch eine begrenzte Länge haben, beispielsweise dadurch, dass in regelmäßigen Intervallen (z. B. jede fünfte Erhebung 8) oder in unregelmäßigen Intervallen eine Erhebung 8 ausgelassen ist. In Fig. 4 sind die Reihen mit gleichmäßigen Abständen A dargestellt.According to Fig. 4 has the drum shell 4 on its inner side rows 6 of annular elevations 8 with lenses 9, which wrap around the drum shell in the circumferential direction 10 in a closed circle. By way of derogation, the rows 6 in the circumferential direction 10 may also have a limited length, for example in that an elevation 8 is omitted at regular intervals (eg every fifth elevation 8) or at irregular intervals. In Fig. 4 the rows are shown at regular intervals A.

Abweichend hiervon können aber benachbarte Reihen auch in ungleichen Abständen A angeordnet sein. Denkbar ist beispielsweise, dass die Reihen 6 in der Nähe der Trommelböden einer Wäschetrommel enger beabstandet sind als in der Trommelmitte. Die Erhebungen müssen auch nicht gemäß Fig. 4 kreisrund sein; ihre Grundform kann auch die einer Ellipse sein.Deviating from this, however, adjacent rows can also be arranged at unequal distances A. It is conceivable, for example, that the rows 6 are more closely spaced in the vicinity of the drum bases of a laundry drum than in the center of the drum. The surveys must also not according to Fig. 4 be circular; their basic form can also be that of an ellipse.

Die Reihen 6 müssen außerdem nicht zwingend parallel zur Seitenlinie des Trommelmantels 4 liegen. Es kann Gründe dafür geben, dass die Reihen 6 sich schraubenförmig um die Umfangsrichtung 10 legen. Ebenso kann es Gründe dafür geben, dass die Reihen 6 ungerade angelegt sind. Beispielsweise sind Ausrichtungen der Reihen 6 in Wellenform oder in Zick-Zack-Linien möglich.The rows 6 also need not necessarily be parallel to the sidelines of the drum shell 4. There may be reasons for the rows 6 to wrap helically around the circumferential direction 10. Likewise, there may be reasons why rows 6 are odd. For example, alignments of the rows 6 in waveform or in zigzag lines are possible.

In gleicher Weise variabel sind auch die Werte der Höhe H der ringförmigen Erhebungen 8 und der Linsen 9 gestaltbar. Sie können im direkten Vergleich auch ungleich hoch sein. Beispielsweise kann es dafür sprechen, dass der Wert der Höhe der Linse 9 größer ist gegenüber dem Wert der Höhe H der ringförmigen Erhebung 8.In the same way, the values of the height H of the annular elevations 8 and of the lenses 9 can also be shaped. They can also be unequal in direct comparison. For example, it can be argued that the value of the height of the lens 9 is greater than the value of the height H of the annular elevation eighth

Aber auch die Werte der Höhe H der ringförmigen Erhebungen 8 und/oder 9 untereinander können differieren. Beispielsweise kann es bei einem wechselnden Drehbetrieb der Wäschetrommel 3 sinnvoll sein, die aufeinander folgenden Erhebungen 8 und/oder 9 einer Reihe 6 mit stetig steigender Höhe gegenüber der Mantelfläche der Wäschetrommel 3 auszustatten. Diese Steigung kann beispielsweise nach einer gewissen Zahl von Erhebungen plötzlich wieder auf den Anfangswert zurückfallen. So entsteht eine Unstetigkeit, die in einer Trommeldrehrichtung zu einer sanften Wäschebehandlung, in der anderen Drehrichtung aber zu einer intensiveren Behandlung führt, wenn dies erwünscht ist. Andernfalls kann aber auch unabhängig von der Drehrichtungssteuerung der Wäschetrommel 3 der Wert der Höhe H abwechselnd stetig steigen und fallen.But also the values of the height H of the annular elevations 8 and / or 9 with each other may differ. For example, it may be useful in an alternating rotary operation of the laundry drum 3 to equip the successive elevations 8 and / or 9 of a row 6 with steadily increasing height relative to the lateral surface of the laundry drum 3. For example, after a certain number of surveys, this slope can suddenly fall back to the initial value. This creates a discontinuity that leads in one drum rotation to a gentle laundry treatment, but in the other direction of rotation to a more intense treatment, if desired. Otherwise, however, regardless of the direction of rotation control of the laundry drum 3, the value of the height H alternately rise and fall steadily.

Claims (14)

Wäschetrommel für eine Wäschebehandlungsmaschine mit einem Trommelmantel (4), der in Umfangsrichtung verteilte Strukturen (6) aufweist, die sich aus der Zylinderform des in der Wäschetrommel angebrachten Trommelmantels (4) erheben, dadurch gekennzeichnet, dass die Strukturen aus in der Umfangsrichtung (10) verteilten, ringförmigen Erhebungen (8) gebildet sind.A laundry drum for a laundry treating machine having a drum shell (4) having circumferentially distributed structures (6) rising from the cylindrical shape of the drum shell (4) mounted in the laundry drum, characterized in that the structures are formed in the circumferential direction (10). distributed, annular elevations (8) are formed. Wäschetrommel nach Anspruch 1, dadurch gekennzeichnet, dass die ringförmigen Erhebungen (8) in Reihen (6) angeordnet sind, die in Umfangsrichtung (10) orientiert sind.Laundry drum according to claim 1, characterized in that the annular elevations (8) in rows (6) are arranged, which are oriented in the circumferential direction (10). Wäschetrommel nach Anspruch 2, dadurch gekennzeichnet, dass sich die Reihen (6) parallel zur Umfangsrichtung (10) erstrecken.Laundry drum according to claim 2, characterized in that the rows (6) extend parallel to the circumferential direction (10). Wäschetrommel nach einem der Ansprüche 2 und 3, dadurch gekennzeichnet, dass die Erhebungen (8) einer Reihe (6) wenigstens teilweise voneinander unterschiedliche Abstände (A) aufweisen.Laundry drum according to one of claims 2 and 3, characterized in that the elevations (8) of a row (6) at least partially mutually different distances (A). Wäschetrommel nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass jeweils benachbarte Reihen (6) wenigstens teilweise voneinander unterschiedliche Abstände (A) aufweisen.Laundry drum according to one of claims 2 to 4, characterized in that each adjacent rows (6) at least partially mutually different distances (A). Wäschetrommel nach einem der Ansprüche 2 bis 5, dadurch gekennzeichnet, dass die Erhebungen (8) zueinander unterschiedliche Durchmesser (D) aufweisen.Laundry drum according to one of claims 2 to 5, characterized in that the elevations (8) have mutually different diameters (D). Wäschetrommel nach einem der Ansprüche 2 bis 6, dadurch gekennzeichnet, dass Erhebungen (8) benachbarter Reihen (6) sich in Achsrichtung (T-T) der Wäschetrommel (3) gegeneinander versetzt in Umfangsrichtung (10) erstrecken.Laundry drum according to one of claims 2 to 6, characterized in that elevations (8) of adjacent rows (6) in the axial direction (TT) of the laundry drum (3) offset from each other in the circumferential direction (10) extend. Wäschetrommel nach einem der Ansprüche 2 bis 7, dadurch gekennzeichnet, dass die Reihen (6) nicht parallel zur Außenlinie des Trommelmantels (4) liegen und zueinander wenigstens teilweise unterschiedlich weit voneinander entfernt sind.Laundry drum according to one of claims 2 to 7, characterized in that the rows (6) are not parallel to the outline of the drum shell (4) and are at least partially different from each other at least partially. Wäschetrommel nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die ringförmigen Erhebungen (8) kreisrund sind.Laundry drum according to one of the preceding claims, characterized in that the annular elevations (8) are circular. Wäschetrommel nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass die ringförmigen Erhebungen (8) elliptisch sind.Laundry drum according to one of claims 1 to 7, characterized in that the annular elevations (8) are elliptical. Wäschetrommel nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass innerhalb der ringförmigen Erhebungen (8) konzentrische, linsenförmige Erhebungen (9) angeordnet sind.Laundry drum according to one of the preceding claims, characterized in that concentric, lenticular elevations (9) are arranged within the annular elevations (8). Wäschetrommel nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass in einer Reihe (6) aufeinander folgende ringförmige Erhebungen (8) und/oder linsenförmige Erhebungen (9) stetig steigenden und/oder fallenden Wert der Höhe (H) aufweisen.Laundry drum according to one of the preceding claims, characterized in that in a row (6) successive annular elevations (8) and / or lenticular elevations (9) steadily increasing and / or falling value of the height (H). Wäschetrommel nach Anspruch 12, dadurch gekennzeichnet, dass der Wert der Höhe (H) vor und/oder nach einer gewissen Zahl von Erhebungen (8 und/oder 9) abrupt auf den Anfangswert der Höhe (H) springt.Laundry drum according to claim 12, characterized in that the value of the height (H) before and / or after a certain number of elevations (8 and / or 9) jumps abruptly to the initial value of the height (H). Wäschetrommel nach einem der vorigen Ansprüche, dadurch gekennzeichnet, dass der Trommelmantel (4) keine Löcher zum Durchtritt eines Fluids aufweist.Laundry drum according to one of the preceding claims, characterized in that the drum shell (4) has no holes for the passage of a fluid.
EP09165476.4A 2008-07-18 2009-07-15 Laundry drum for a washing processing machine Not-in-force EP2145992B1 (en)

Applications Claiming Priority (1)

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DE200810040539 DE102008040539A1 (en) 2008-07-18 2008-07-18 Laundry drum for a laundry treatment machine

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EP2145992A1 true EP2145992A1 (en) 2010-01-20
EP2145992B1 EP2145992B1 (en) 2017-05-24

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DE102013201186A1 (en) * 2013-01-25 2014-07-31 BSH Bosch und Siemens Hausgeräte GmbH Laundry drum for laundry treatment machine e.g. laundry machine, has intense stiffener for adjusting depth and size of embossments arranged in regions of mechanical loads of drum cladding towards longitudinal axis of drum cladding
EP3124670A4 (en) * 2014-03-24 2018-01-03 Haier Group Corporation Attached block structure for inner barrel of washing machine
US20210355622A1 (en) * 2018-08-30 2021-11-18 Lg Electronics Inc. Washing machine and method of controlling the same

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DE10162918A1 (en) * 2001-12-20 2003-07-03 Bsh Bosch Siemens Hausgeraete Drum for a laundry treatment machine
WO2004072354A1 (en) 2003-02-12 2004-08-26 Su Heon Kim Improved washer method and apparatus
DE102005023444A1 (en) * 2005-05-20 2006-11-23 BSH Bosch und Siemens Hausgeräte GmbH Drum with embossed seam

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013201186A1 (en) * 2013-01-25 2014-07-31 BSH Bosch und Siemens Hausgeräte GmbH Laundry drum for laundry treatment machine e.g. laundry machine, has intense stiffener for adjusting depth and size of embossments arranged in regions of mechanical loads of drum cladding towards longitudinal axis of drum cladding
EP3124670A4 (en) * 2014-03-24 2018-01-03 Haier Group Corporation Attached block structure for inner barrel of washing machine
US20210355622A1 (en) * 2018-08-30 2021-11-18 Lg Electronics Inc. Washing machine and method of controlling the same

Also Published As

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DE102008040539A1 (en) 2010-01-21
EP2145992B1 (en) 2017-05-24

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