EP2022882A2 - Tambour pour un lave-linge et lave-linge - Google Patents

Tambour pour un lave-linge et lave-linge Download PDF

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Publication number
EP2022882A2
EP2022882A2 EP08012668A EP08012668A EP2022882A2 EP 2022882 A2 EP2022882 A2 EP 2022882A2 EP 08012668 A EP08012668 A EP 08012668A EP 08012668 A EP08012668 A EP 08012668A EP 2022882 A2 EP2022882 A2 EP 2022882A2
Authority
EP
European Patent Office
Prior art keywords
drum
shell
rib
opening
hole
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
EP08012668A
Other languages
German (de)
English (en)
Other versions
EP2022882B1 (fr
EP2022882A3 (fr
Inventor
Armin Hapke
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
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Priority to PL08012668T priority Critical patent/PL2022882T3/pl
Publication of EP2022882A2 publication Critical patent/EP2022882A2/fr
Publication of EP2022882A3 publication Critical patent/EP2022882A3/fr
Application granted granted Critical
Publication of EP2022882B1 publication Critical patent/EP2022882B1/fr
Active 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
    • 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
    • D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical axis
    • D06F37/14—Ribs or rubbing means forming part of the receptacle

Definitions

  • the invention relates to a drum for a washing machine with a tub in which the drum is rotatably mounted about a horizontal or inclined axis, comprising an end wall and a perforated jacket, wherein on the inside of the shell about V-shaped scoop ribs whose tip to the drum interior, are attached, which are provided on the shell side with openings of at least 5 times the cross section of a hole in the drum hole.
  • the invention further relates to a washing machine with a tub in which a drum is rotatably mounted about a horizontal or inclined axis and driven by a motor, wherein the drum comprises an end wall and a perforated jacket, wherein on the inside of the shell about V - shaped scoop ribs, the tips of which point to the drum interior, are mounted, which are provided on the shell side with openings of at least 5 times the cross section of a hole in the drum hole.
  • the laundry For washing laundry in a drum washing machine, the laundry is washed with water with the addition of detergent with strong drum motion.
  • the drum is hereby perforated, so that the water in the tub with the laundry, which is located in the drum, comes into contact.
  • To improve the fürbefuchtung scooping ribs are mounted in the drum, which lift the water from the lower portion of the tub upwards and distribute from there over the laundry.
  • a drum which has peripherally extending beads in the shell which are provided with holes in the area under the scooping ribs.
  • the scooping ribs are mounted on the protrusions so that the scrubbing liquid reaches the holes in the crimps below the scooping ribs. In this way, the laundry items are prevented from coming into contact with holes.
  • the distance of the tub wall to the beads must be complied with, so that due to the elevations between the beads gives a smaller volume for the drum. Further, it is disadvantageous that the drum can contract due to the wave-shaped shell during spin, whereby the interior can be slightly smaller.
  • a drum which has scooping ribs with a good scooping action.
  • the scoop ribs close to the drum shell have large holes that allow water to be drawn into the space inside the scoop rib.
  • the water in the drum is rinsed into the scoop rib, wherein no openings for a fluid exchange between the drum and tub are provided in the drum shell within the scoop.
  • the invention is therefore based on the object to improve the removal of dirt from a drum in a washing machine.
  • the essential advantage of the drum according to the invention is that the dirt removal of coarse dirt particles or lint from the drum is achieved in a simple manner. Furthermore, the conservation of the laundry items is maintained, so that premature wear or damage can be avoided.
  • the drum according to the invention comprises on its drum shell scoop ribs, each having a bulge at its edge facing the shell, which forms an opening to the interior of the scoop rib, which is surrounded by the edge of the bulge and the inside of the shell.
  • This dirt particles can slide along the inside of the drum shell until they reach the enlarged openings in the scoop rib. The dirt then penetrate almost unhindered through this opening into the interior of the scoop and from there through the equally large shell-side opening from the drum out into the tub.
  • the arrangement of a few small holes in the drum shell a good laundry is achieved when turning the drum in the washing or spin phase.
  • the larger holes in the scoop rib close to the drum shell lie at an angle to the jacket and therefore do not come into so much contact with the laundry.
  • the laundry falls during washing radially to the drum shell or it is pressed during spin against the drum shell, and not so strong against the flanks of the scoop ribs. This allows the laundry items Also, do not penetrate so much into the larger holes, so that it is not damaged by pimples or thread-pulling.
  • the holes for the drum hole have a maximum diameter of 2.5 mm. In these so-called small holes, the fibers can not penetrate. Coarse dirt particles that do not fit through the holes in the drum shell can be flushed out through the openings in the pouring lip.
  • the shell-side openings are formed by C-shaped cutting of the drum shell and folding to the interior of the drum.
  • a web formed by the folding to the interior of the scoop rib is arranged on the side of the shell-side opening which is remote from the opening in the scoop rib.
  • the web is bent at an angle.
  • the web directs the washing liquid through the shell-side opening in the tub, wherein the outflow is improved.
  • the opening in the scoop rib is dimensioned so that it corresponds at least to the quadruple cross-section of the drum hole. With this size, a reliable rinsing of dirt and lint is achieved.
  • the opening in the pouring rib corresponds to 4 to 10 times the cross section of the drum hole.
  • the limitation to the 10-fold cross-section of the drum hole prevents that items of laundry can penetrate too far into these openings.
  • the V-shaped scoop rib has a course towards the jacket, which provides a substantially rectangular transition to the drum shell, the openings extending from the drum shell in this transition region.
  • the scoop rib it is expedient that it is formed from a V-shaped angled sheet, which at the ends of the flanks of the Vs one after each includes inwardly directed bevel, and that the bulges on the side of the drum shell is formed in each case by a molded bead on at least one of the inwardly directed bends.
  • the fold is used for attachment, since it can be fastened with fasteners such as tabs or rivets on the drum shell.
  • the scoop rib may also be welded to the drum shell, with the fold serving to receive welds.
  • the fold in the opening forming the bead has the advantage that the opening has a rounded transition to the edge of the scoop rib.
  • the opening formed by the bulge in the scoop rib is elongated, with its longitudinal side extending along the inside of the shell.
  • slots can be provided with large cross-sections, in which the laundry items can not penetrate.
  • the longitudinal side is at least 3 times the short side of the elongated opening.
  • the scoop ribs have at their respective edge facing the drum shell at least one bulge, each forming an opening which is surrounded by the edge of the bulge and the inside of the shell, so that when rotating the drum through these openings dirt in the area the inside of the drum shell through the scoop rib are removable from the drum.
  • Fig. 1 is a purely schematic representation of a washing machine 1, shown with a tub 2.
  • the position and direction information refer to the operational installation position of the washing machine 1.
  • Within the tub 2 is a rotatably mounted on a horizontal or inclined axis 27 and driven by an electric motor 13 Drum 3 arranged in the tub 2 and in the Drum 3 located laundry items 8 moves.
  • the drum 3 is made in the present embodiment of stainless steel and with a plurality of holes 21 (FIG. Fig. 2 ) provided for the flooding.
  • the housing 4 has a loading opening 9, via which the interior of the drum 3 can be reached through the sealing sleeve 6.
  • the loading opening 9 can be closed by means of the door 5.
  • a radiator (not shown) is arranged in the lower region of the tub 2.
  • an inlet valve 15 is sketched, which controls the entry of the water from the supply network.
  • the water is passed through the connecting pipe 14 in the tub 2, wherein in the dispenser 11 entered detergent is flushed into the tub 2.
  • a drain device 12 is arranged, which brings out the spent washing liquid or the rinse water 7 from the tub 2 to the drain line 16, which usually opens into a sewer.
  • the control device 17 controls the water inlet 15, the activity of the drain device 12 and the drive motor 13, which is energized via the power unit or a frequency converter 18.
  • the drum 3 which consists of a jacket 19 and two opposite end walls 20. On the inside 19a of the jacket 19 are distributed over the circumference several scooping ribs 10, in this example, three, attached.
  • the scoop ribs 10 are formed in profile V-shaped and have shell-side openings 22 which are larger in cross-section by a multiple, than the holes 21 for the drum hole.
  • the openings 22 have at least a 5-fold cross-section, such as the holes 21 for the drum hole, which have a diameter of about 2 mm.
  • the 10- or 20-fold cross-section for the shell-side openings 22 is possible.
  • Fig. 3 In the detailed view, the scoop rib 10 with the protrusions 23 for forming enlarged openings 24 for improved dirt removal is shown.
  • the bulges 23 are located on the shell-side edge of the scoop rib 10 and form with the inner side 19a of the shell 19, the border for the respective opening 24.
  • the openings 24 are each made elongated, wherein the length of the longitudinal side is at least 3 times the length of the short side.
  • the arrangement of the openings 22 is illustrated within a scoop rib 10.
  • the scooping rib 10 is attached to the inside 19a of the drum shell 19.
  • On the shell-side edge of the bulge 23 is arranged, whereby the opening 24 is provided.
  • An inwardly directed fold 26 around the edge of the bulge 23 provides a rounded transition to the interior of the drum, in which the laundry 8 (FIG. Fig. 1 ) is located.
  • openings 22 are arranged in the drum shell 19, which provide a discharge of the washing liquid from the drum 3.
  • a flag 25 is attached to the respective opening 22 on one side, which expediently by C-shaped cutting of the drum shell 19 and subsequent folding to the drum interior or to the interior of the scoop rib 10 is formed.
  • the washing liquid to be discharged 7 ( Fig. 1 ) through the opening 24 in the scoop rib 10 and then passed through the opening 22 in the drum shell 19 in the tub 2. If the drum 3 is rotated in the direction of arrow U, the discharge of the washing liquid and thus the dirt removal can be further improved. Due to the oblique orientation of the lug 25, so that the lug 25 partially covers the opening 22, the flow of the washing liquid 7 for the removal of the dirt particles can be improved.
  • the washing liquid 7 can pass through the openings 22 in the scooping rib 10 and be raised with the rotation of the drum 3 to trickle down from an elevated position, the liquid on the laundry.
  • the washing machine 1 with the drum 3 according to the invention is particularly well suited for the cleaning and reprocessing of wipes or mops, since this particular amount of dirt and lint incurred. Also for the treatment of animal textiles, such as horse rugs or dog cushions, this washing machine 1 or drum 3 is particularly well suited because the resulting hair is at least almost completely rinsed out of the drum 3.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
EP08012668.3A 2007-08-02 2008-07-14 Tambour pour un lave-linge et lave-linge Active EP2022882B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08012668T PL2022882T3 (pl) 2007-08-02 2008-07-14 Bęben do pralki i pralka

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007036619A DE102007036619B3 (de) 2007-08-02 2007-08-02 Trommel für eine Waschmaschine und Waschmaschine

Publications (3)

Publication Number Publication Date
EP2022882A2 true EP2022882A2 (fr) 2009-02-11
EP2022882A3 EP2022882A3 (fr) 2011-10-19
EP2022882B1 EP2022882B1 (fr) 2013-11-27

Family

ID=39688519

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08012668.3A Active EP2022882B1 (fr) 2007-08-02 2008-07-14 Tambour pour un lave-linge et lave-linge

Country Status (5)

Country Link
EP (1) EP2022882B1 (fr)
DE (1) DE102007036619B3 (fr)
DK (1) DK2022882T3 (fr)
ES (1) ES2438984T3 (fr)
PL (1) PL2022882T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2700744A1 (fr) 2012-08-20 2014-02-26 Miele & Cie. KG Tambour pour un lave-linge
CN107964756A (zh) * 2016-10-19 2018-04-27 廖鸿涵 洗衣机新型滚筒
EP3575474A1 (fr) 2018-05-30 2019-12-04 Miele & Cie. KG Tambour de lavage et machine à laver
DE102018112931A1 (de) 2018-05-30 2019-12-05 Miele & Cie. Kg Wäschetrommel und Waschmaschine

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2376969T3 (es) * 2009-10-06 2012-03-21 Miele & Cie. Kg Tambor para una lavadora
DE102015101456A1 (de) 2015-02-02 2016-08-04 Miele & Cie. Kg Trommel für eine Waschmaschine und Waschmaschine
DE102020108694A1 (de) * 2020-03-30 2021-09-30 Miele & Cie. Kg Verfahren zum Betreiben eines Waschautomaten und Waschautomat

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3712118A1 (de) 1986-05-06 1987-11-12 Bosch Siemens Hausgeraete Trommelwaschmaschine
DE19952990A1 (de) 1999-11-04 2001-05-10 Ludger Hellkuhl Trommelwaschmaschine
EP0935687B1 (fr) 1996-11-02 2001-06-13 Miele & Cie. GmbH & Co. Lave-linge a tambour

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19925917A1 (de) * 1999-06-07 2000-12-14 Bsh Bosch Siemens Hausgeraete Von vorn beschickbare Waschmaschine mit einer drehbaren Wäschetrommel
DE10260023B3 (de) * 2002-12-19 2004-01-22 Miele & Cie. Kg Waschmaschinentrommel mit Schröpfrippen und Verfahren zur Herstellung des Mantels einer solchen Waschmaschinentrommel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3712118A1 (de) 1986-05-06 1987-11-12 Bosch Siemens Hausgeraete Trommelwaschmaschine
EP0935687B1 (fr) 1996-11-02 2001-06-13 Miele & Cie. GmbH & Co. Lave-linge a tambour
DE19952990A1 (de) 1999-11-04 2001-05-10 Ludger Hellkuhl Trommelwaschmaschine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2700744A1 (fr) 2012-08-20 2014-02-26 Miele & Cie. KG Tambour pour un lave-linge
CN107964756A (zh) * 2016-10-19 2018-04-27 廖鸿涵 洗衣机新型滚筒
EP3575474A1 (fr) 2018-05-30 2019-12-04 Miele & Cie. KG Tambour de lavage et machine à laver
DE102018112923A1 (de) 2018-05-30 2019-12-05 Miele & Cie. Kg Waschtrommel und Waschautomat
DE102018112931A1 (de) 2018-05-30 2019-12-05 Miele & Cie. Kg Wäschetrommel und Waschmaschine

Also Published As

Publication number Publication date
ES2438984T3 (es) 2014-01-21
EP2022882B1 (fr) 2013-11-27
DE102007036619B3 (de) 2008-09-18
DK2022882T3 (da) 2014-01-27
PL2022882T3 (pl) 2014-04-30
EP2022882A3 (fr) 2011-10-19

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