EP2245224B1 - Tambour de lavage pour une machine de traitement du linge - Google Patents

Tambour de lavage pour une machine de traitement du linge Download PDF

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Publication number
EP2245224B1
EP2245224B1 EP09710047.3A EP09710047A EP2245224B1 EP 2245224 B1 EP2245224 B1 EP 2245224B1 EP 09710047 A EP09710047 A EP 09710047A EP 2245224 B1 EP2245224 B1 EP 2245224B1
Authority
EP
European Patent Office
Prior art keywords
laundry drum
projections
laundry
drum according
drum
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.)
Active
Application number
EP09710047.3A
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German (de)
English (en)
Other versions
EP2245224A1 (fr
Inventor
Johannes Geyer
Stephan Sommer
Wilfried Wildung
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BSH Hausgeraete GmbH
Original Assignee
BSH Hausgeraete GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2245224A1 publication Critical patent/EP2245224A1/fr
Application granted granted Critical
Publication of EP2245224B1 publication Critical patent/EP2245224B1/fr
Active legal-status Critical Current
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • 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
    • D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis

Definitions

  • the invention relates to a rotary drum for a laundry treatment machine rotatable about an axis with a provided with flood holes drum shell made of sheet metal, distributed in the circumferential direction, extending transversely to the perimeter line extending linear elevations, wherein the line-shaped elevations at a distance from each other straight or curved cylindrical areas lift the laundry drum and additionally known per se drivers are arranged on the inner circumference of the drum shell and the flood holes are arranged in the cylindrical regions.
  • a laundry drum is off DE 10 2006 041 431 A1 known. This criticizes the supposedly excessive mechanical effect of the notorious carriers on the laundry. It is therefore proposed to dispense with such drivers entirely and instead to distribute across the perimeter and from the front wall to the rear wall of the drum extending linear projections in the circumferential direction of the drum shell, which consist of concave with respect to the drum axis and convex arcs and wavy into each other. Apart from the fact that notorious drivers represent a danger to the laundry when properly designed, they can not be replaced by shallow wavy line-shaped elevations in their mechanical treatment effect. In addition, the undulating arches cause the attachment of flood holes both in the troughs as well as on the wave crests. Both, but especially the latter attachment, more likely to pose a threat to the laundry when at high spinning forces laundry parts are driven through the flood holes.
  • a different type of 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 laundry drum is off DE 1 805 126 U
  • the jacket of a laundry drum made of thermoplastic material has a large number of small, edged ribs, it has a stabilizing effect on the connection between the drum casing and the adjoining bottom parts, in addition to its mechanical effect on the laundry passing by, which is by no means uncritical the drum acts. Since the drum shell has no flood holes, the liquor exchange between indoor and outdoor space is very limited.
  • 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.
  • a laundry drum for a laundry treatment machine rotatable about an axis has a drum shell made of sheet metal provided with flood holes and distributed in the circumferential direction, extending transversely to the circumferential line extending linear elevations, wherein the linear elevations spaced from each other in a straight line or curved cylindrical portions of the laundry drum raise and additionally known per se carriers are arranged on the inner circumference of the drum shell and the flood holes are arranged in the cylindrical regions.
  • the elevations extend helically across the circumferential direction.
  • such elevations can in many ways be designed in such a way that they have a favorable influence on the mechanical laundry treatment during drum rotation. Since they also stabilize the drum shell to the extent that the material used for the drum plate is reduced to a minimum, that no acoustic oscillation tendencies are to be feared and that the surface properties of such a shaped shell surface for the laundry treatment are almost ideal, an inventively designed laundry drum is an optimum represent the use in the laundry treatment.
  • the elevations may follow straight lines which extend at least partially parallel or not parallel to one another and / or to the axial direction of the drum.
  • the linear elevations may have equal or unequal distances from each other and may be the same or at least partially unequal or different in width.
  • at least a part of the flood holes can be mounted in one or both flanks of the elevations. Other flood holes are located in the areas of the drum shell, which lie outside the elevations.
  • Fig. 1 is shown as a laundry treatment machine, a washing machine, which is provided on the front side 1 feed opening 2 with the door removed 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 has 4 inwardly bulging line-shaped elevations 6, which will be explained in more detail with reference to the following figures. On the one hand, these elevations ensure that the drum shell becomes a structure which is resistant to mechanical vibration, thereby avoiding otherwise feared acoustic disturbances. On the other hand, can be due to the considerable gain to save stiffness material at lower wall thicknesses of the drum shell 4 and - as will be shown below - achieve a particularly gentle surface treatment, which nevertheless produces an increased mechanical washing action.
  • line-shaped elevations 6 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 6 gradually swings inward from the cylindrical shape of the region 7 of the drum shell 4, forms a soft ridge line 8 and also swings softly back into the cylindrical shape of the region 7.
  • the remaining in the cylindrical shape areas 7 can in a laundry treatment machine, which requires no fluid exchange for the treatment process, - as shown - remain closed.
  • FIGS. 2 and 3 Shown cross-sections are parts of stretched out developments of the drum shell 4, which would have to be shown bent down as part of the rolled drum shell 4, so that the upward (in the direction of the elevations 6) facing areas 7 would form a concave surface.
  • flood holes are in the cylindrical areas to install. Such flood holes are notorious, in Fig. 1 to 3 but not shown for reasons of simplification.
  • the fragments of drum shells 4 are shown as substantially flat flat bodies, which can be converted by forming into a cylinder into a laundry drum.
  • the protrusions 6 do not gradually swing upwardly out of the cylindrical portions 7; because they are delimited to the areas 7 by a relatively sharp bending edge 9.
  • the surveys 6 and their arrangement on the one hand differ from those of the FIGS. 2 and 3 on the other hand, but also from one embodiment to the other.
  • Fig. 4 a drum shell 4, on the inside bulge linear elevations 6, which are transverse to the circumferential line 40 and substantially parallel to the drum axis AA.
  • the ridge lines 10 of the elevations follow a similar to the sinusoidal vibration with a phase length P and a vibration width W.
  • phase length P and vibration width W can be varied as needed and trial taking into account the mechanical washing action. They may also be shorter or longer at the edges than in the means of the drum shell 4.
  • the cylindrical portions 7 of the drum shell between the elevations 6 each include a series of flood holes eleventh
  • the in Fig. 5 drum shell 4 shown also has linear elevations 6. Adjacent areas 7 between the surveys but do not run parallel to each other. Their main axes are at an angle ⁇ ⁇ 100 ° or ⁇ ⁇ 80 ° to the circumferential line 40, which therefore deviates from the right angle.
  • Phase length P and oscillation width W in this example are similar to those of the Fig. 4 , Before the areas 7 touch each other, they can reverse their angular position ⁇ or ⁇ and thus the elevations 6, which have the greatest width and height at the point of closest proximity of respectively adjacent areas 7, narrow again in the further course. Instead, however, the elevations 6 may be simply limited in length and thereby the areas 7 between the boundaries are related.
  • the angular positions of the major axes of the regions 7 can - as of course, the phase lengths and vibration lengths - be varied according to need and trial.
  • the drum casing 4 in Fig. 6 is very similar to the one in Fig. 4 , Here the phase lengths of the elevations 6, 16 and 26 are greater than in Fig. 4 , In addition, the mutually parallel regions have 7 different distances B, C and D, so that the intervening elevations 6, 16 and 26 have different widths.
  • the elevations 6, 16 and 26 have almost the same heights with each other, so that the elevation 6 is perceived flatter than the elevations 16 and 26, the curvature of their curvature is only lower. Again, these are the same variations possible as in the previous and in the following examples. This includes variations in the heights of the surveys 6, 16 and 26, respectively.
  • Fig. 8 In one embodiment of the Fig. 8 have the surveys 18 about the same length of phases P as the sinusoidal elevations 6 of Fig. 4 ,
  • the oscillation width W is slightly larger.
  • this type of elevations 18 are formed by zig-zag cylindrical portions 20 of the drum shell 4 bounded elevations 18, the ridge lines 19 also follow at least almost a zig-zag line. However, the sharp corners of this zig-zag line are rounded.
  • no flood holes are shown here. However, when using a liquid which changes between the interior and the exterior of the drum, flood holes are to be provided in these areas 20.
  • the drum shell 4 according to Fig. 9 also has sinusoidal elevations 6 like those in Fig. 4 , However, the phase positions of adjacent bumps 6 change so that the intermediate cylindrical portions 7 have narrow and wide portions formed in the same sinusoidal shape, which are equipped with more or fewer baffles 11 per circumferential line portion. This consequence could be decisive in the selection of variants.
  • the phase shift between the elevations 6 need not - as shown here - be selected by half a phase length. At a smaller or larger phase shift arise cylindrical regions 7, although also along the circumferential line narrower and wider. But then they also contain curved areas that are on a larger Length are linear and offer only one row of flood hole space. The wider areas are narrower in contrast than in Fig. 9 , Such a variant shows Fig. 11 ,
  • Fig. 10 are the ratios compared to the example of Fig. 9 turned around.
  • the cylindrical portions 7 oscillate in opposite phase, while the elevations 6 are narrower and wider in their extension parallel to the drum axis AA.
  • the curvature of the elevations 6 remains constant, the convexities 22 and 23 are higher and lower along their extent, so that alternating high and low bulges 22 and 23 are formed, which in addition to the drivers 5 arranged in the drum, will rotate as the drum rotates exert mechanical effect on the laundry.
  • Fig. 12 demonstrates yet, as a drum shell 4 may look, whose elevations 25 are finite, so that each elevation 25 is surrounded by a cylindrical portion 27.
  • the attachment of a larger number of flood holes 11 is possible, so that the liquid exchange can be intensified.
  • the frequent alternating contact of the laundry with different bulges of the elevations 25 also reinforces the mechanical washing action.

Landscapes

  • 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)
  • Treatment Of Fiber Materials (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Claims (14)

  1. Tambour à linge (3) monté de manière mobile en rotation autour d'un axe (A) pour une machine de traitement du linge avec un manteau de tambour (4) en tôle doté d'orifices de fuite (11), qui présente des élévations linéaires (6) réparties dans le sens périmétrique transversalement à la ligne périmétrique (40), dans lequel les élévations linéaires (6) s'élèvent en décrivant un écartement (B, C, D) l'une par rapport à l'autre de manière rectiligne ou courbée au départ de zones cylindriques (7) du tambour à linge (3) et dans lequel elles sont en outre disposées sur des entraîneurs (5) connus sur le périmètre intérieur du manteau du tambour (4) et les orifices de fuite (11) sont disposés dans les zones cylindriques (7), caractérisé en ce que les élévations (36, 46, 56, 66) s'étendent de manière hélicoïdale transversalement au sens périmétrique (40).
  2. Tambour à linge selon la revendication 1, caractérisé en ce que les élévations (6, 16, 26) présentent des écartements (B, C, D) au moins en partie différents l'un de l'autre.
  3. Tambour à linge selon la revendication 1, caractérisé en ce que les élévations (6, 16, 26, 26, 46, 56, 66) s'étendent au moins sur une partie de leur longueur de manière non parallèle à la direction axiale (A-A).
  4. Tambour à linge selon l'une des revendications précédentes, caractérisé en ce que les élévations (18) constituent une ligne en zigzag.
  5. Tambour à linge selon la revendication 4, caractérisé en ce que les élévations linéaires (6, 16, 25, 26) suivent la forme d'une onde.
  6. Tambour à linge selon la revendication 5, caractérisé en ce que la forme d'onde ressemble au moins à une onde sinusoïdale.
  7. Tambour à linge selon l'une des revendications 4 à 6, caractérisé en ce que l'amplitude (W) de la ligne en zigzag ou la forme d'onde se situe dans le même ordre de grandeur que sa période (P).
  8. Tambour à linge selon l'une des revendications 4 à 7, caractérisé en ce que dans le sens périmétrique (40) du tambour à linge (3), les élévations voisines (6, 16, 25, 26) s'étendent parallèlement dans la direction axiale (A-A).
  9. Tambour à linge selon l'une des revendications 4 à 7, caractérisé en ce que les élévations voisines (6) s'étendent de manière antiparallèle par rapport à la direction axiale (A-A).
  10. Tambour à linge selon l'une des revendications 4 à 7, caractérisé en ce que dans le sens périmétrique (40) du tambour à linge (3), les élévations voisines (6) s'étendent en quinconce l'une par rapport à l'autre dans la direction axiale (A-A).
  11. Tambour à linge selon l'une des revendications 4 à 10, caractérisé en ce que les élévations (6, 16, 26) présentent des écartements (B, C, D) au moins en partie différents l'un par rapport à l'autre.
  12. Tambour à linge selon l'une des revendications précédentes, caractérisé en ce que les élévations (25, 36, 46, 56, 66) sont plus courtes que la largeur du manteau de tambour (4) et en ce que les élévations voisines dans le sens axial (A-A) sont en quinconce l'une par rapport à l'autre.
  13. Tambour à linge selon l'une des revendications précédentes, caractérisé en ce que les élévations linéaires (6, 16, 26, 36, 46, 56, 66) présentent des largeurs au moins en partie différentes.
  14. Tambour à linge selon l'une des revendications précédentes, caractérisé en ce qu'au moins une partie des orifices de fuite (11) est située dans l'un des flancs des élévations (6, 16, 26, 36, 46, 56, 66) ou les deux.
EP09710047.3A 2008-02-14 2009-02-11 Tambour de lavage pour une machine de traitement du linge Active EP2245224B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810009141 DE102008009141A1 (de) 2008-02-14 2008-02-14 Wäschetrommel für eine Wäschebehandlungsmaschine
PCT/EP2009/051550 WO2009101098A1 (fr) 2008-02-14 2009-02-11 Tambour de lavage pour une machine de traitement du linge

Publications (2)

Publication Number Publication Date
EP2245224A1 EP2245224A1 (fr) 2010-11-03
EP2245224B1 true EP2245224B1 (fr) 2016-05-25

Family

ID=40637157

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09710047.3A Active EP2245224B1 (fr) 2008-02-14 2009-02-11 Tambour de lavage pour une machine de traitement du linge

Country Status (7)

Country Link
US (1) US8893532B2 (fr)
EP (1) EP2245224B1 (fr)
CN (1) CN101946035B (fr)
DE (1) DE102008009141A1 (fr)
EA (1) EA017574B1 (fr)
PL (1) PL2245224T3 (fr)
WO (1) WO2009101098A1 (fr)

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GB201002245D0 (en) * 2010-02-10 2010-03-31 Xeros Ltd Improved cleaning apparatus and method
CN103031693B (zh) * 2011-09-30 2017-05-24 塞罗斯有限公司 洗衣机及洗涤方法
CN103031691B (zh) * 2011-09-30 2016-05-25 海尔集团公司 洗衣机及洗涤方法
DE102012200449B4 (de) * 2012-01-13 2019-12-05 BSH Hausgeräte GmbH Wasserführendes Haushaltsgerät mit einer Querstrukturelemente umfassenden Trommel
WO2014058202A1 (fr) * 2012-10-10 2014-04-17 Samsung Electronics Co., Ltd. Lave-linge
USD748356S1 (en) 2013-07-16 2016-01-26 Whirlpool Corporation Container for a clothes washing machine
US10036113B2 (en) * 2013-07-22 2018-07-31 Whirlpool Corporation Laundry treating appliance with embossed container
USD761501S1 (en) 2013-09-27 2016-07-12 Whirlpool Corporation Container for clothes washing machine
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DE102014216228A1 (de) 2014-08-14 2016-02-18 BSH Hausgeräte GmbH Wäschetrommel für ein Haushaltsgerät mit spezifischer Ausgestaltung eines Mitnehmers sowie Haushaltsgerät zur Pflege von Wäschestücken
KR102396321B1 (ko) * 2016-07-12 2022-05-10 삼성전자주식회사 세탁기
KR102590137B1 (ko) * 2016-07-18 2023-10-18 삼성전자주식회사 세탁기
CN109208244B (zh) * 2017-07-07 2022-04-05 青岛海尔洗涤电器有限公司 一种洗衣机筒组件及洗衣机
DE102018119621A1 (de) * 2018-08-13 2020-02-13 Miele & Cie. Kg Wäschetrommel für eine Wäschebehandlungsmaschine
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USD923266S1 (en) * 2019-07-19 2021-06-22 Lg Electronics Inc. Set of washing machine drum lifters
USD915699S1 (en) * 2019-07-19 2021-04-06 Lg Electronics Inc. Washing machine drum lifter
USD923267S1 (en) * 2019-07-19 2021-06-22 Lg Electronics Inc. Set of washing machine drum lifters
USD917120S1 (en) * 2019-07-19 2021-04-20 Lg Electronics Inc. Washing machine drum lifter
USD923265S1 (en) * 2019-07-19 2021-06-22 Lg Electronics Inc. Set of washing machine drum lifters
USD923264S1 (en) * 2019-07-19 2021-06-22 Lg Electronics Inc Washing machine drum lifter
WO2021216023A2 (fr) * 2020-04-22 2021-10-28 Realist Makina Imalati San. Ve Tic. Ltd. Şti Volets auxiliaires de machine à laver

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Also Published As

Publication number Publication date
EA017574B1 (ru) 2013-01-30
DE102008009141A1 (de) 2009-08-27
US20100326142A1 (en) 2010-12-30
PL2245224T3 (pl) 2016-11-30
EA201070937A1 (ru) 2011-04-29
CN101946035A (zh) 2011-01-12
WO2009101098A1 (fr) 2009-08-20
EP2245224A1 (fr) 2010-11-03
US8893532B2 (en) 2014-11-25
CN101946035B (zh) 2012-09-19

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