EP2145992A1 - Tambour pour une machine de traitement du linge - Google Patents

Tambour pour une machine de traitement du linge 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
Authority
EP
European Patent Office
Prior art keywords
laundry drum
elevations
laundry
drum according
rows
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
EP09165476A
Other languages
German (de)
English (en)
Other versions
EP2145992B1 (fr
Inventor
Johannes Geyer
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 EP2145992A1 publication Critical patent/EP2145992A1/fr
Application granted granted Critical
Publication of EP2145992B1 publication Critical patent/EP2145992B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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

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.

Landscapes

  • 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)
EP09165476.4A 2008-07-18 2009-07-15 Tambour pour une machine de traitement du linge Not-in-force EP2145992B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810040539 DE102008040539A1 (de) 2008-07-18 2008-07-18 Wäschetrommel für eine Wäschebehandlungsmaschine

Publications (2)

Publication Number Publication Date
EP2145992A1 true EP2145992A1 (fr) 2010-01-20
EP2145992B1 EP2145992B1 (fr) 2017-05-24

Family

ID=41152201

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09165476.4A Not-in-force EP2145992B1 (fr) 2008-07-18 2009-07-15 Tambour pour une machine de traitement du linge

Country Status (2)

Country Link
EP (1) EP2145992B1 (fr)
DE (1) DE102008040539A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013201186A1 (de) * 2013-01-25 2014-07-31 BSH Bosch und Siemens Hausgeräte GmbH Wäschetrommel für eine Wäschebehandlungsmaschine
EP3124670A4 (fr) * 2014-03-24 2018-01-03 Haier Group Corporation Structure de bloc raccordé pour tambour interne de lave-linge
US20210355622A1 (en) * 2018-08-30 2021-11-18 Lg Electronics Inc. Washing machine and method of controlling the same

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4437986A1 (de) 1994-10-24 1996-04-25 Frank Dr Mirtsch Verfahren zur Wölbstrukturierung dünner Wände und Folien
DE10162918A1 (de) * 2001-12-20 2003-07-03 Bsh Bosch Siemens Hausgeraete Trommel für eine Wäschebehandlungsmaschine
WO2004072354A1 (fr) 2003-02-12 2004-08-26 Su Heon Kim Machine a laver et procede ameliores
DE102005023444A1 (de) * 2005-05-20 2006-11-23 BSH Bosch und Siemens Hausgeräte GmbH Trommel mit Prägung der Bördelnaht

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE6606902U (de) * 1967-08-09 1970-12-17 Siemens Elektrogeraete Gmbh Waeschetrommel mit gelochtem mantel fuer zum schleudern bestimmte waeschebebandlunsmaschinen
DE2363935C3 (de) * 1973-12-20 1983-03-17 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Mantel für eine mantelbeschickbare Wäschetrommel einer Waschmaschine
DE19603710A1 (de) * 1996-02-02 1997-08-07 Aeg Hausgeraete Gmbh Wasserführendes Haushaltsgerät, z. B. Waschtrockner oder Waschmaschine
DE102005026175A1 (de) * 2005-06-06 2006-12-07 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät mit einer Prägungen aufweisenden Wäschetrommel

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4437986A1 (de) 1994-10-24 1996-04-25 Frank Dr Mirtsch Verfahren zur Wölbstrukturierung dünner Wände und Folien
DE10162918A1 (de) * 2001-12-20 2003-07-03 Bsh Bosch Siemens Hausgeraete Trommel für eine Wäschebehandlungsmaschine
WO2004072354A1 (fr) 2003-02-12 2004-08-26 Su Heon Kim Machine a laver et procede ameliores
DE102005023444A1 (de) * 2005-05-20 2006-11-23 BSH Bosch und Siemens Hausgeräte GmbH Trommel mit Prägung der Bördelnaht

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013201186A1 (de) * 2013-01-25 2014-07-31 BSH Bosch und Siemens Hausgeräte GmbH Wäschetrommel für eine Wäschebehandlungsmaschine
EP3124670A4 (fr) * 2014-03-24 2018-01-03 Haier Group Corporation Structure de bloc raccordé pour tambour interne de lave-linge
US20210355622A1 (en) * 2018-08-30 2021-11-18 Lg Electronics Inc. Washing machine and method of controlling the same

Also Published As

Publication number Publication date
DE102008040539A1 (de) 2010-01-21
EP2145992B1 (fr) 2017-05-24

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