EP2245224A1 - Tambour de lavage pour une machine de traitement du linge - Google Patents

Tambour de lavage pour une machine de traitement du linge

Info

Publication number
EP2245224A1
EP2245224A1 EP09710047A EP09710047A EP2245224A1 EP 2245224 A1 EP2245224 A1 EP 2245224A1 EP 09710047 A EP09710047 A EP 09710047A EP 09710047 A EP09710047 A EP 09710047A EP 2245224 A1 EP2245224 A1 EP 2245224A1
Authority
EP
European Patent Office
Prior art keywords
elevations
laundry drum
drum according
laundry
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.)
Granted
Application number
EP09710047A
Other languages
German (de)
English (en)
Other versions
EP2245224B1 (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 Bosch und Siemens 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 Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens 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
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • 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

Definitions

  • the invention relates to a rotatable about an axis laundry drum for a laundry treatment machine with a provided with flood holes drum shell, which distributed in the circumferential direction, transverse to the circumferential line extending linear elevations, which rise from the peripheral surface of the drum mounted in the drum drum.
  • Such a laundry drum is known from DE 10 2006 041 431 A1. 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 known from DE 44 37 986 A1.
  • 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 on the one hand the structured jacket sheet a certain dimensional stability, the especially in a reduced acoustic tendency to oscillate.
  • such a structure also has a certain decorative effect.
  • a laundry drum from DE 1 805 126 U is known in which the coat of a laundry drum made of thermoplastic material, although a variety of small, edged ribs, but in addition to their - not uncritical - mechanical action on the mecanicistichde laundry especially stabilizing effect on the connection between the drum shell and the adjacent bottom parts of the drum. 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 in addition also provides a basis for their formation to favorably influence the mechanical laundry treatment during the rotational movement the drum.
  • this object is achieved by the characterizing part of claim 1 in such a way that the linear elevations at a distance from each other rise straight or curved from cylindrical areas of the laundry drum and in addition known per se entrainment are arranged on the inner circumference of the drum shell and that the Flood holes are arranged in the cylindrical areas.
  • 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.
  • an inventively designed laundry drum is an optimum represent for use in the laundry treatment.
  • the elevations may follow straight lines that extend at least partially parallel or not parallel to each other 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.
  • 1 is a perspective view of the front side of a laundry treatment machine, with free insight into the laundry drum, the jacket plate is provided on the inside with linear elevations,
  • FIG. 3 is a cross section as in Fig. 2 with other distances of the line-shaped elevations
  • FIG. 5 outer view and cross section corresponding to FIG. 4 with unparallel and different wide undulating elevations
  • FIG. 6 outer view and cross section corresponding to FIG. 4 with parallel and in-phase but unequal width undulating elevations
  • FIG. 6 outer view and cross section corresponding to FIG. 4 with parallel and in-phase but unequal width undulating elevations
  • FIG. 7 outer view and cross section corresponding to FIG. 4 with curved, helically arranged and differently wide elevations, FIG.
  • FIG. 9 outer view and cross section corresponding to FIG. 4 with antiphase and parallel wave-shaped elevations, FIG.
  • FIG. 10 outer view and cross section corresponding to FIG. 4 with projections arranged parallel and in opposite directions with wavy varied widths, FIG.
  • FIG. 11 external view and cross-section corresponding to FIG. 4 with wave form elevations arranged parallel to each other but offset from each other, FIG.
  • FIG. 12 outer view and cross section corresponding to FIG. 4 with parallel and in phase with each other arranged wave-shaped elevation portions each of limited length, which are arranged offset from one another.
  • Fig. 1 is shown as a laundry treatment machine, a washing machine, which is attached to the front side 1 feed opening 2 granted an insight into the interior of the laundry drum 3 with the door removed.
  • a washing machine which is attached to the front side 1 feed opening 2 granted an insight into the interior of the laundry drum 3 with the door removed.
  • It has a cylindrical drum shell 4, on the inside of several Wäschemit Meeting 5 are evenly distributed.
  • the drum shell has 4 inwardly bulging line-shaped elevations 6, which will be explained in more detail with reference to the following figures.
  • these elevations ensure that the drum shell becomes a structure which is resistant to mechanical vibration, thereby avoiding otherwise feared acoustic disturbances.
  • the considerable amount of To save on stiffness material with 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 as shown in FIG. 1 seen in cross section of the sheet of such a drum shell 4 assume a shape shown in Fig. 2 or 3.
  • 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.
  • the cross-sections shown in FIGS. 2 and 3 are parts of unrolled 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 areas 7 pointing upwards (in the direction of the elevations 6) are concave Surface would form.
  • flood holes are in the cylindrical areas to install. Such flood holes are notorious, but not shown in Fig. 1 to 3 for reasons of simplicity.
  • the distances B of the elevations 6 in Fig. 2 are mutually equal, in contrast to the elevations 6 in Fig. 3, whose distances C and D are unequal. This may play a role in such treatment processes where the laundry within the drum is unevenly distributed during its rotation.
  • the fragments of drum shells 4 are shown as substantially flat flat body, which can be redesigned by forming into a cylinder in a laundry drum. Notwithstanding the examples in FIGS. 2 and 3, the elevations 6 also do not swing upwards gradually out of the cylindrical regions 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 Figs. 2 and 3 on the other hand, but also from one embodiment to another embodiment.
  • 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 drum shell 4 shown in Fig. 5 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 ß ⁇ 80 ° to the circumferential line 40, which therefore deviates from the right angle.
  • Phase length P and oscillation width W are similar in this example to that of FIG. 4. Before the regions 7 touch each other, they can reverse their angular position ⁇ or ⁇ and thus the elevations 6, which at the point of closest proximity of respectively adjacent regions 7 have the greatest width and height, narrow again in the 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 shell 4 in Fig. 6 is very similar to that in Fig. 4.
  • the phase lengths of the elevations 6, 16 and 26 are greater than in Fig. 4.
  • the mutually parallel regions have 7 different distances B, C. and D, so that the intervening bumps 6, 16 and 26 are different in width.
  • 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.
  • the elevations 18 have approximately 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 defined by zig-zag cylindrical portions 20 of the drum shell 4 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 likewise has sinusoidal elevations 6 like those in FIG. 4.
  • the phase positions of adjacent elevations 6 change, so that the intermediate cylindrical regions 7 have narrow and broad regions designed in the same sinusoidal shape more or less flood holes 11 per perimeter section are stocked.
  • the phase shift between the elevations 6 need not - as shown here - be selected by half a phase length.
  • they also contain curved areas that are based on a large re length are linear and offer only one row of flood hole space.
  • the wider regions are narrower than in FIG. 9.
  • Such a variant is shown in FIG. 11.
  • the ratios to the example of FIG. 9 are reversed.
  • the cylindrical regions 7 oscillate in opposite directions, while the elevations 6 become narrower and wider in their extension parallel to the drum axis A-A.
  • 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 still demonstrates how 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.
  • flood holes 11 may be additionally in such flanks of elevations 6, 16, 18, 25, 26, 36, 46, 56 or 66 attached, which is when turning the laundry drum against the liquid flowing into it.
  • all shown flanks of the elevations 6, 16, 18, 25, 26, 36, 46, 56 and 66 are suitable because they have at least partial areas which are almost perpendicular to the moving liquid.
  • those parts of the elevations, which have at least one not too far from the right angle with respect to the fluid movement, which will usually be the movement in the circumferential direction 40, 11 may have flood holes 11 in these parts of their flanks.
  • the elevations illustrated in all the figures can be directed both into the interior of the drum 4 and outwards.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Preliminary Treatment Of Fibers (AREA)

Abstract

La structure d'enveloppe d'un tambour de lavage (3) doit présenter d'une part les propriétés avantageuses des structures (6) de l'état de la technique réparties dans la direction circonférentielle (40). Lesdites structures s'élèvent à partir de la forme cylindrique de l'enveloppe du tambour (4) disposée dans le tambour. La structure d'enveloppe doit simultanément réunir les conditions nécessaires à sa formation en vue d'influencer de manière avantageuse le traitement mécanique de lavage du linge, pendant la rotation du tambour (3). En outre, les structures selon l'invention sont formées à partir des élévations linéaires (6) s'étendant transversalement à la périphérie (40).
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 true EP2245224A1 (fr) 2010-11-03
EP2245224B1 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)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201002245D0 (en) 2010-02-10 2010-03-31 Xeros Ltd Improved cleaning apparatus and method
CN103031691B (zh) * 2011-09-30 2016-05-25 海尔集团公司 洗衣机及洗涤方法
CN103031693B (zh) 2011-09-30 2017-05-24 塞罗斯有限公司 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
CN104947373B (zh) * 2014-03-24 2018-12-25 青岛海尔洗衣机有限公司 一种洗衣机内桶附块结构
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
US11952703B2 (en) 2018-08-30 2024-04-09 Lg Electronics Inc. Washing machine
USD923264S1 (en) * 2019-07-19 2021-06-22 Lg Electronics Inc Washing machine drum lifter
USD923267S1 (en) * 2019-07-19 2021-06-22 Lg Electronics Inc. Set of washing machine drum lifters
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
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
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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US2591143A (en) 1945-10-22 1952-04-01 Eilersgaard Asger Clothes-washing machine
JPH08187388A (ja) 1994-11-07 1996-07-23 Nippon Kentetsu Co Ltd 一槽式洗濯機
JPH1190084A (ja) 1997-07-25 1999-04-06 Kazuo Nakada 洗濯機
JPH11300091A (ja) 1998-04-22 1999-11-02 Matsushita Electric Ind Co Ltd 脱水機

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DE19952990A1 (de) 1999-11-04 2001-05-10 Ludger Hellkuhl Trommelwaschmaschine
KR100593635B1 (ko) 2001-07-19 2006-06-28 주식회사 엘지이아이 가전기기용 드럼장치
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KR100550526B1 (ko) 2002-12-26 2006-02-10 엘지전자 주식회사 드럼세탁기
JP3841822B1 (ja) 2005-03-15 2006-11-08 株式会社京都産業 洗濯方法
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US2591143A (en) 1945-10-22 1952-04-01 Eilersgaard Asger Clothes-washing machine
JPH08187388A (ja) 1994-11-07 1996-07-23 Nippon Kentetsu Co Ltd 一槽式洗濯機
JPH1190084A (ja) 1997-07-25 1999-04-06 Kazuo Nakada 洗濯機
JPH11300091A (ja) 1998-04-22 1999-11-02 Matsushita Electric Ind Co Ltd 脱水機

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See also references of WO2009101098A1

Also Published As

Publication number Publication date
WO2009101098A1 (fr) 2009-08-20
US20100326142A1 (en) 2010-12-30
DE102008009141A1 (de) 2009-08-27
US8893532B2 (en) 2014-11-25
EA017574B1 (ru) 2013-01-30
CN101946035A (zh) 2011-01-12
EP2245224B1 (fr) 2016-05-25
EA201070937A1 (ru) 2011-04-29
PL2245224T3 (pl) 2016-11-30
CN101946035B (zh) 2012-09-19

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