EP0935687A1 - Lave-linge a tambour - Google Patents

Lave-linge a tambour

Info

Publication number
EP0935687A1
EP0935687A1 EP97950062A EP97950062A EP0935687A1 EP 0935687 A1 EP0935687 A1 EP 0935687A1 EP 97950062 A EP97950062 A EP 97950062A EP 97950062 A EP97950062 A EP 97950062A EP 0935687 A1 EP0935687 A1 EP 0935687A1
Authority
EP
European Patent Office
Prior art keywords
drum
washing machine
holes
drum washing
jacket
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
EP97950062A
Other languages
German (de)
English (en)
Other versions
EP0935687B1 (fr
Inventor
Wolfgang Hellhake
Siegfried Augustin
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7810520&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0935687(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Priority to EP01105712A priority Critical patent/EP1118704B1/fr
Publication of EP0935687A1 publication Critical patent/EP0935687A1/fr
Application granted granted Critical
Publication of EP0935687B1 publication Critical patent/EP0935687B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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

Definitions

  • the invention relates to a washing machine or a washer-dryer with a drum horizontally or inclined and rotatably mounted in a tub with a casing and two cover surfaces, the casing or one of the cover surfaces being equipped with a removal opening, and the casing being wholly or partly made of sheet metal is manufactured, which is provided with a vault structure directed towards the inside of the drum.
  • Drums of washing machines or washer dryers usually consist of sheet metal structures. Because of the high spin speeds of up to 1600 rpm, great demands are placed on the drum construction in terms of strength, shape retention and rigidity. From DE 44 37 986 A1 and DE-OS 25 57 215 it is known to provide the sheet metal from which the drum is made with arch structures to increase its strength.
  • the drum jacket and possibly also the top surfaces with holes so that an exchange of lye between the laundry and the tub is ensured.
  • These holes have diameters in the order of 3.5 mm in today's washing machines.
  • holes with a diameter of approx. 2.5 mm are first punched into a sheet metal coil and then deepened in a funnel shape by an embossing process, the so-called passage, and widened to 3.5 mm.
  • the deepening of the holes is directed outwards.
  • Drums with hole diameters of around 2 mm which do not have to be put through, therefore have a relatively smooth surface, which lacks the optical properties described above.
  • the invention thus presents the problem of designing the drum of a washing machine in such a way that good optical properties and complete emptying of the residual water are achieved at the same time.
  • the advantages which can be achieved with the invention are an increase in the stability of the drum. This can reduce the costs of using thick sheets or complex forming processes (e.g. expanding).
  • the safety distance between the drum and the tub which is intended to prevent the drum and tub from touching during spinning, can be reduced while maintaining the sheet thickness. This reduces the so-called dead volume between the drum and tub shell, i.e. H. the free fleet is reduced (lower water and energy consumption) and the drum volume can be increased.
  • the holes are arranged in sections of the jacket which have no arched structure. With such a drum, the perforation is easier to carry out since it does not have to be adapted to the arch structure.
  • the holes can be arranged in the edge regions adjoining the cover surfaces (cap, base) or in the central region of the jacket.
  • the arch structure consists of polygons directed towards the inside of the drum and the holes are in the corner points of the edge contours arranged. This results in a pattern for the arch structure that is relatively easy to produce and, moreover, the holes are located at the deepest points, which greatly improves the drainage behavior of the wash liquor or the rinsing water.
  • the edge contours have a flat area directed in the circumferential direction of the drum casing and if the holes are arranged in this area.
  • shaping and stabilizing contours are embossed into the perforated cylindrical shell by expansion.
  • it is provided with the arch structure by a method known from DE 44 37 986 A1 or DE-OS 25 57 215. With such a method, it is impossible to punch the holes in the already rounded drum jacket provided with the arch structure. It is relatively difficult to arrange the holes punched on the sheet coil and the arch structure created by expanding the jacket so that the holes are exactly at the corner points of the structure.
  • a change in the sequence of the process steps in a process in which the structure is first broken in and then punched is also disadvantageous in terms of production technology, since the arched structures can be damaged by punching the holes.
  • the tolerance range in which the holes are to be arranged is increased, which simplifies the punching in an automatic manufacturing process. This is particularly the case if the width of the flat area is 1.5 to 2.5 times the hole diameter.
  • the holes are smaller in number and / or in diameter than those of conventional drum washing machines. As a result, the passage of fluff or threads is reduced, which protects the laundry more.
  • FIG. 1 shows the general structure of a drum washing machine
  • FIG. 3 shows a further variant of the arch structure and the perforation in an area of the drum casing (3.1).
  • Figure 5 shows a section of a drum (3) with unstructured areas
  • the drum washing machine (1) designed according to the invention has a tub (2) in which a drum (3) for holding laundry (4) is rotatably mounted.
  • the drum (3) is driven by a motor (13) via a V-belt (13.1).
  • the lye Container (2) is suspended on springs (5) so that it can move in the housing (6) and is supported in the lower region by shock absorbers (7) against the housing base (8) in order to dampen these vibrations.
  • the detergent / fabric softener required to carry out a washing program is fed to the tub (2) via a detergent dispensing chamber (9) with a connecting hose (10) connected.
  • the desired substances can be filled by the user into corresponding compartments (11) in a detergent drawer (12).
  • the entire subject content is flushed into the tub (2) at the beginning of the respective program part via a water inlet (not shown in the drawings).
  • a microprocessor control (MC) is provided, which is connected to various measuring sensors and the operating elements via signal lines (14). It transmits time and status-dependent commands to various actuators (motors, valves, display elements %) via control lines (15).
  • the drum (3) is manufactured in an automatic manufacturing process (not shown) described in more detail elsewhere. For this purpose, first a sheet metal strip is cut from a coil for the drum casing (3.1) and punched with the desired perforation (16). The sheet metal strip is then bent in a circle and the two mutually facing edges are welded. The cylinder thus created is provided with shaping and stabilizing contours by known expansion processes. Then, by a method known from DE-OS 25 57 215
  • Figure 3 shows a section of the drum shell (3.1) with the basic structure of the arch structure and the arrangement of the holes (16) according to the invention:
  • the jacket (3.1) is provided in its entirety or in sections with inwardly curved polygons, preferably hexagons (17).
  • Figure 3a shows a section through the jacket (3.1) along the line A - A, from which the curvature of the hexagons (17) in the direction of the drum axis (3.4) is clear. Versions are also possible in which the top surfaces (cap (3.2) and bottom (3.3)) are provided with curved polygons.
  • Holes (16) are provided in the drum jacket (3.1) in a smaller number than in the case of drums (3) customary today and, if possible, with a smaller diameter d (approximately 2 mm).
  • holes (16) are arranged in the outward-facing edge contours (17.1) of the curvature and here in particular in the corner points of the hexagons.
  • the arrangement of the holes (16) is determined by the requirement for rapid, residue-free water drainage and a good degree of textile dewatering when spinning with pumps or only pumping, optimal laundry protection, low sensitivity to foreign bodies and good optics.
  • Figure 4 shows a section of a drum casing (3.1) with an advantageous embodiment of the arch structure in the form of hexagons (18) with curved edges, in which the edge contours have a flat area (19) of 1.5 from the circumferential direction of the drum casing (3.1) -fold up to 2.5 times the hole diameter (d) and the holes (16) are arranged in this area (19).
  • the areas (19) are 4 mm wide and the hole diameter d is 2 mm.
  • the width across flats s of the structural samples is approximately one fifth of the jacket width, here 38.48 mm.
  • Rows of holes are arranged on the front and rear edges (3.5) of the drum shell (3.1), which are not curved.
  • unstructured zones (3.6) with holes (16) are possible, for example as shown in FIG. 5, in the middle of the drum shell (3.1).
  • the domed areas can be completely unperforated, so that the structure only serves to secure the drum (3), but it can also the perforation (16) described above in the preferred places within the domed structure, for. B. the corner points (20) of the polygons (17).
  • the diameter of the drum (3) can be increased by up to 10 mm in all of the above-described embodiments with a corresponding material thickness and constant tub size, provided that this does not conflict with the formation of a water jacket when spinning.
  • the smallest distance between the drum jacket (3.1) and the tub container can only be approx. 5 mm.
  • Drum shells (3.1) can be provided with the arched structure as cylinders and subjected to a further shaping process (e.g. expanding) before or after. It is also possible to process finished blanks or coil material provided with arch structures (see DE 44 37 986 A1) or to provide blank or coil material with the arch structures in a continuous manufacturing process, to punch before or after, and to further form processes (e.g. roll forming, embossing , Presses, etc.) and to form a cylinder.
  • a further shaping process e.g. expanding

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

L'invention concerne un lave-linge ou un sèche-linge comprenant un tambour (3) fixé à l'horizontale ou incliné de manière à pouvoir pivoter dans un contenant de lessivage (2) constitué d'une enveloppe (3.1) et de deux surfaces de recouvrement (3.2, 3.3), l'enveloppe (3.1) ou une des surfaces de recouvrement (3.2, 3.3) étant pourvue d'une ouverture de déchargement. L'enveloppe (3.1) est entièrement ou partiellement constituée d'une tôle dotée d'une structure bombée orientée vers l'intérieur du tambour. Afin d'obtenir de bonnes propriétés optiques et la vidange complète de l'eau résiduelle tout en agressant le moins possible le linge, les orifices (16) de l'enveloppe (3.1) sont pratiqués dans les bordures (17.1) du bombement orienté vers l'extérieur du tambour. Une variante consiste à disposer les orifices (16) dans des sections (3.5; 3.6) de l'enveloppe (3.1) conçues sans structure bombée.
EP97950062A 1996-11-02 1997-10-31 Lave-linge a tambour Expired - Lifetime EP0935687B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP01105712A EP1118704B1 (fr) 1996-11-02 1997-10-31 Machine à laver à tambour

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19645273 1996-11-02
DE19645273 1996-11-02
PCT/EP1997/006033 WO1998020195A1 (fr) 1996-11-02 1997-10-31 Lave-linge a tambour

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP01105712A Division EP1118704B1 (fr) 1996-11-02 1997-10-31 Machine à laver à tambour

Publications (2)

Publication Number Publication Date
EP0935687A1 true EP0935687A1 (fr) 1999-08-18
EP0935687B1 EP0935687B1 (fr) 2001-06-13

Family

ID=7810520

Family Applications (2)

Application Number Title Priority Date Filing Date
EP01105712A Expired - Lifetime EP1118704B1 (fr) 1996-11-02 1997-10-31 Machine à laver à tambour
EP97950062A Expired - Lifetime EP0935687B1 (fr) 1996-11-02 1997-10-31 Lave-linge a tambour

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP01105712A Expired - Lifetime EP1118704B1 (fr) 1996-11-02 1997-10-31 Machine à laver à tambour

Country Status (7)

Country Link
US (1) US6334341B1 (fr)
EP (2) EP1118704B1 (fr)
JP (1) JP2001504006A (fr)
KR (1) KR100393318B1 (fr)
DE (2) DE59710390D1 (fr)
ES (2) ES2159887T3 (fr)
WO (1) WO1998020195A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017219763A1 (de) 2017-11-07 2019-05-09 Meiko Maschinenbau Gmbh & Co. Kg Mobile reinigungseinheit zur reinigung von atemgeräten
DE102018204763A1 (de) 2018-03-28 2019-10-02 Meiko Maschinenbau Gmbh & Co. Kg Verfahren und Vorrichtung zur Reinigung mindestens eines Atemgeräts
WO2021110897A1 (fr) 2019-12-06 2021-06-10 Meiko Maschinenbau Gmbh & Co. Kg Nettoyage d'articles à nettoyer, qui présentent au moins une cavité, dans une laveuse à convoyeur

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DE10228602B4 (de) * 2001-08-02 2004-03-25 Miele & Cie. Kg Frontbeschickbare Waschmaschine
DE10145079C1 (de) * 2001-09-13 2002-10-10 Miele & Cie Trommel für einen Wäschetrockner
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DE10205306B4 (de) * 2002-02-08 2006-12-28 BSH Bosch und Siemens Hausgeräte GmbH Trommelwaschmaschine mit einer von vorn beschickbaren Wäschetrommel
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DE102006010179A1 (de) * 2005-12-28 2007-07-05 BSH Bosch und Siemens Hausgeräte GmbH Wäschetrommel
JP4652306B2 (ja) * 2006-09-27 2011-03-16 パナソニック株式会社 洗濯機
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EP2177657B1 (fr) 2008-10-16 2013-01-09 Miele & Cie. KG Tambour pour un lave-linge
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JP5479277B2 (ja) * 2010-09-01 2014-04-23 パナソニック株式会社 脱水装置
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EP2628839A1 (fr) * 2012-02-18 2013-08-21 Samsung Electronics Co., Ltd Machine à laver
JP5898598B2 (ja) * 2012-09-25 2016-04-06 シャープ株式会社 洗濯機
KR101944366B1 (ko) * 2012-10-10 2019-02-07 삼성전자주식회사 세탁기
DE102012220646B3 (de) 2012-11-13 2014-03-13 Meiko Maschinenbau Gmbh & Co. Kg 3Halterungs-Sortiment und Reinigungsgerät zur Reinigung von Atemgeräten
DE102013201186A1 (de) * 2013-01-25 2014-07-31 BSH Bosch und Siemens Hausgeräte GmbH Wäschetrommel für eine Wäschebehandlungsmaschine
DE102014206637A1 (de) * 2014-04-07 2015-10-08 BSH Hausgeräte GmbH Verfahren zum Herstellen eines Trommelbodens für eine Wäschetrommel eines Haushaltsgeräts, Wäschetrommel und Haushaltsgerät
DE102015101456A1 (de) 2015-02-02 2016-08-04 Miele & Cie. Kg Trommel für eine Waschmaschine und Waschmaschine
DE102015106862A1 (de) 2015-05-04 2016-11-10 Miele & Cie. Kg Waschmaschine und Trommel für eine Waschmaschine
EP3412823B1 (fr) * 2017-06-08 2022-03-30 LG Electronics Inc. Tambour de machine à laver
DE102019212775A1 (de) * 2019-08-26 2021-03-04 Meiko Maschinenbau Gmbh & Co. Kg Reinigungskorb zur Reinigung von Atemgerät
DE102020208471A1 (de) 2020-07-07 2022-01-13 Meiko Maschinenbau Gmbh & Co. Kg Verfahren und ein Reinigungssystem zur Reinigung von Atemgerät
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017219763A1 (de) 2017-11-07 2019-05-09 Meiko Maschinenbau Gmbh & Co. Kg Mobile reinigungseinheit zur reinigung von atemgeräten
DE102018204763A1 (de) 2018-03-28 2019-10-02 Meiko Maschinenbau Gmbh & Co. Kg Verfahren und Vorrichtung zur Reinigung mindestens eines Atemgeräts
WO2019185809A1 (fr) 2018-03-28 2019-10-03 Meiko Maschinenbau Gmbh & Co. Kg Procédé et dispositif pour le nettoyage d'au moins un appareil respiratoire
WO2021110897A1 (fr) 2019-12-06 2021-06-10 Meiko Maschinenbau Gmbh & Co. Kg Nettoyage d'articles à nettoyer, qui présentent au moins une cavité, dans une laveuse à convoyeur

Also Published As

Publication number Publication date
EP1118704A1 (fr) 2001-07-25
ES2159887T3 (es) 2001-10-16
US6334341B1 (en) 2002-01-01
DE59710390D1 (de) 2003-08-07
EP1118704B1 (fr) 2003-07-02
ES2195963T3 (es) 2003-12-16
KR20000036196A (ko) 2000-06-26
DE59703826D1 (de) 2001-07-19
EP0935687B1 (fr) 2001-06-13
JP2001504006A (ja) 2001-03-27
KR100393318B1 (ko) 2003-08-02
WO1998020195A1 (fr) 1998-05-14

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