EP1916327A1 - Sèche-linge à tambour - Google Patents

Sèche-linge à tambour Download PDF

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Publication number
EP1916327A1
EP1916327A1 EP06122612A EP06122612A EP1916327A1 EP 1916327 A1 EP1916327 A1 EP 1916327A1 EP 06122612 A EP06122612 A EP 06122612A EP 06122612 A EP06122612 A EP 06122612A EP 1916327 A1 EP1916327 A1 EP 1916327A1
Authority
EP
European Patent Office
Prior art keywords
drum
sound
dryer
dryer according
adhesive layer
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
EP06122612A
Other languages
German (de)
English (en)
Other versions
EP1916327B1 (fr
Inventor
Elisabetta Bari
Alberto Bison
Giancarlo Gerolin
Marco Clara
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.)
Electrolux Home Products Corp NV
Original Assignee
Electrolux Home Products Corp NV
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 Electrolux Home Products Corp NV filed Critical Electrolux Home Products Corp NV
Priority to EP06122612A priority Critical patent/EP1916327B1/fr
Priority to ES06122612T priority patent/ES2363789T3/es
Priority to DE602006020879T priority patent/DE602006020879D1/de
Priority to PL06122612T priority patent/PL1916327T3/pl
Priority to AT06122612T priority patent/ATE503052T1/de
Priority to RU2007138842/12A priority patent/RU2452803C2/ru
Publication of EP1916327A1 publication Critical patent/EP1916327A1/fr
Application granted granted Critical
Publication of EP1916327B1 publication Critical patent/EP1916327B1/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
    • D06F58/00—Domestic laundry dryers
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D06F58/04—Details 

Definitions

  • the present invention relates to a tumble dryer having improved soundproofing characteristics.
  • Household clothes drying machines typically comprise a sheet-steel rotating drum, in which clothes are tumbled as hot air is circulated therethrough to remove moisture from and dry the clothes. As the clothes tumble within the dryer drum, they keep falling against the wall of the drum wall, wherein heavier clothing items, as well as buttons, zippers and other metal or, anyway, hard ornaments that may be associated with the clothes being dried or hanging loose thereamong (e.g. coins) have a tendency to strike against the dryer drum wall and generate noise in the course of the drying process. Furthermore, the drum works in this case as a resonant chamber, so that the level of the thus generated noise is eventually boosted.
  • a need is therefore felt for the noise generated by clothes and other items tumbling within the dryer drum to be suitably reduced.
  • the drum is usually designed to feature an increased wall thickness. This however means also a corresponding increase in the overall weight of the drum, thereby making it certainly more difficult to perform the assembly process.
  • providing the drum with a greater thickness of its walls causes manufacturing costs to increase accordingly.
  • the present invention is directed to a laundry dryer that substantially obviates the problems arising from typical limitations and disadvantages of prior-art machines in this connection.
  • the tumble dryer is provided with an outer casing adapted to allow the control panel of the machine to be mounted thereon, as well as a rotating drum 2 to be accommodated therein along with motor and blower means.
  • Such outer casing has a front wall provided with a door enabling the user to gain access to the interior of the drum through an access opening.
  • the drum 2 is mounted inside this casing for rotation about its central axis, as driven by a motor arranged to drive the drum by means of a belt.
  • the drum 2 is also arranged so as to be located in an air flowpath, thereby enabling dry heated air to be forced therethrough to remove moisture from the clothes being tumbled therein.
  • the drum 2 is comprised of a cylindrical side wall 3 made of metal, in particular stainless steel, on the inner surface of which there are applied so-called lifters 4, specially provided to assist the clothes in being properly tumbled, a front flange 11 with a clothes access opening and a rear flange 5, both made of metal.
  • the drum is made in a single-piece unitary construction and the rear flange is mechanically connected to a shaft 6 about which the drum 2 is adapted to rotate.
  • the drum can be comprised of a cylindrical side wall 3 rotatably fitted to a front flange 11 and a rear flange 5, which are stationary relative to the outer cabinet and the cylindrical side wall 3.
  • the rear flange 5 is fitted with air supply means in communication with the inside of the drum 2 for supplying a heated air flow to the inside of the drum 2.
  • the tumble dryer comprises at least a sound-damping covering 8 associated to the external surface of the drum 2 for absorbing the sound waves generating from the impingement noise of the articles that are tumbled inside the drum during dryer operation, wherein said sound-damping covering 8 includes a metal sheet 9 and an adhesive layer 10 interposed between the sheet 9 and the external surface of the drum 2.
  • the sound waves that are generated by the pulse-like occurrences deriving from the clothes, and in particular the hard or metal items associated thereto, such as for instance buttons or zippers, impinging against the inner surface of the metal wall of the rotating drum 2 are for the most part absorbed by the adhesive layer 10 which, by the effect of its viscoelastic properties, substantially converts these sound waves and vibrations into heat, thereby heating up the adhesive layer 10.
  • the sound-damping covering 8 created by the adhesive layer 10 and the metal sheet 9 forms a system that is able to damp and absorb sound waves propagating within a given frequency range, which depends on the characteristics of the adhesive layer 10 and the metal sheet 9.
  • an adhesive layer having a thickness ranging from 100 to 300 ⁇ m and a surface density ranging from 50g/m 2 to 150g/m 2 proves particularly effective in absorbing sound waves with a frequency lying within a range of 500 to 10000 Hz, which are typical frequencies of the noise generated by clothes impinging against the walls of the drum 2.
  • a metal sheet 9 having a thickness ranging from 150 to 300 ⁇ m optimally combines with an adhesive layer 10 having the characteristics as indicated above.
  • An adhesive layer 10 formed of silicone-based or acrylic glue has proven particularly effective thanks to both the viscoelastic properties thereof and the fact that such glues can be used in a temperature range from -40°C to 180°C while keeping their sound-wave absorption and damping characteristics unaltered in the long term notwithstanding the temperature variations, which they are subject to during drying processes.
  • the adhesive layer 10 enables the metal sheet 9 to be attached to the drum 2 in a quick manner, without any use of fastening means whatsoever, such as screws or the like, being required, actually.
  • the drum 2 is clad with a plurality of sound-damping covering members 8 that substantially cover most of the external cylindrical surface of the drum 2, so as to be able to maximize the sound-wave absorption effect.
  • the adhesive layer 10 is preliminarily applied to the surface of the metal sheet 9 that is due to be associated to the external surface of the drum 2. Then, the metal sheet 9 is glued onto the external cylindrical surface of the drum 2.
  • the sound-damping covering 8 may be comprised of a single member that is wrapped around and applied on to the external cylindrical surface of the drum 2 along the entire circumference thereof, so as to almost entirely cover such surface.
  • the sound-damping covering 8 is also associated to the external surface of the front flange 11 and the rear flange 5 of the same drum 2, as shown in figure 1 and 2, wherein said sound-damping covering 8 may even in this case be provided in the form of either a single piece or a plurality of sound-damping coverings 8 applied to said front and rear flange 11,5.
  • the cylindrical side wall 3 of the drum 2 is made of a polymer material
  • the rear flange 5, connected to the rotating shaft 6, is made of metal material, in particular stainless steel
  • the sound-damping covering 8 is solely associated to said rear flange 5 and not to the cylindrical side wall 3. Expediently the sound-damping covering 8 can also be provided on the front flange 11.
  • the tumble dryer according to the present invention effectively reaches its basic aim by providing a tumble dryer having a drum with improved sound-damping characteristics.
  • the sound-damping covering according to the present invention is very simple to manufacture and attach to the drum, thereby doing away with the drawback usually shared by prior-art machines.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Drying Of Solid Materials (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
EP06122612A 2006-10-19 2006-10-19 Sèche-linge à tambour Not-in-force EP1916327B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP06122612A EP1916327B1 (fr) 2006-10-19 2006-10-19 Sèche-linge à tambour
ES06122612T ES2363789T3 (es) 2006-10-19 2006-10-19 Secadora por volteo.
DE602006020879T DE602006020879D1 (de) 2006-10-19 2006-10-19 Wäschetrommeltrockner
PL06122612T PL1916327T3 (pl) 2006-10-19 2006-10-19 Suszarka bębnowa
AT06122612T ATE503052T1 (de) 2006-10-19 2006-10-19 Wäschetrommeltrockner
RU2007138842/12A RU2452803C2 (ru) 2006-10-19 2007-10-18 Барабанная сушилка

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06122612A EP1916327B1 (fr) 2006-10-19 2006-10-19 Sèche-linge à tambour

Publications (2)

Publication Number Publication Date
EP1916327A1 true EP1916327A1 (fr) 2008-04-30
EP1916327B1 EP1916327B1 (fr) 2011-03-23

Family

ID=37776607

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06122612A Not-in-force EP1916327B1 (fr) 2006-10-19 2006-10-19 Sèche-linge à tambour

Country Status (6)

Country Link
EP (1) EP1916327B1 (fr)
AT (1) ATE503052T1 (fr)
DE (1) DE602006020879D1 (fr)
ES (1) ES2363789T3 (fr)
PL (1) PL1916327T3 (fr)
RU (1) RU2452803C2 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2192222A1 (fr) * 2008-11-27 2010-06-02 BSH Bosch und Siemens Hausgeräte GmbH Couche d'isolation et tambour pour un appareil de séchage
US20120291302A1 (en) * 2011-05-16 2012-11-22 Bsh Home Appliances Corporation Noise-reducing laundry drum for a household appliance
WO2015096924A1 (fr) * 2013-12-27 2015-07-02 Arcelik Anonim Sirketi Tambour présentant une meilleure résistance mécanique et son procédé de production
CN109468805A (zh) * 2018-12-19 2019-03-15 杭州金鱼电器集团有限公司 一种壁挂式洗衣机的安装方法
CN110453446A (zh) * 2018-05-07 2019-11-15 青岛海尔洗衣机有限公司 用于顶开式衣物处理设备的关盖检测控制系统和方法
DE102021200986A1 (de) 2021-02-03 2022-08-04 BSH Hausgeräte GmbH Verfahren zum Herstellen einer Mantelwand für eine Wäschetrommel mit einer Kompensationsprägung, Mantelwand für eine Wäschetrommel, sowie Wäschetrommel

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170020425A (ko) * 2014-06-18 2017-02-22 오웬스 코닝 인텔렉츄얼 캐피탈 엘엘씨 진동 감쇠 시스템

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5901465A (en) * 1997-06-20 1999-05-11 Camco Inc. Clothes dryer with noise reduced drum
EP1541741A2 (fr) * 2003-12-09 2005-06-15 Lg Electronics Inc. Sèche-linge.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU923420A1 (ru) * 1980-12-30 1982-04-30 Всесоюзный Ордена Трудового Красного Знамени Научно-Исследовательский Институт Сельскохозяйственного Машиностроения Им.В.П.Горячкина Транспортирующий барабан дл картофелеуборочных машин
SU1347977A1 (ru) * 1986-02-21 1987-10-30 Всесоюзный Научно-Исследовательский Институт Безопасности Труда В Горнорудной Промышленности Звукоизолирующее покрытие барабана шаровой мельницы

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5901465A (en) * 1997-06-20 1999-05-11 Camco Inc. Clothes dryer with noise reduced drum
EP1541741A2 (fr) * 2003-12-09 2005-06-15 Lg Electronics Inc. Sèche-linge.

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2192222A1 (fr) * 2008-11-27 2010-06-02 BSH Bosch und Siemens Hausgeräte GmbH Couche d'isolation et tambour pour un appareil de séchage
US20120291302A1 (en) * 2011-05-16 2012-11-22 Bsh Home Appliances Corporation Noise-reducing laundry drum for a household appliance
WO2015096924A1 (fr) * 2013-12-27 2015-07-02 Arcelik Anonim Sirketi Tambour présentant une meilleure résistance mécanique et son procédé de production
CN110453446A (zh) * 2018-05-07 2019-11-15 青岛海尔洗衣机有限公司 用于顶开式衣物处理设备的关盖检测控制系统和方法
CN110453446B (zh) * 2018-05-07 2021-06-11 重庆海尔洗衣机有限公司 用于顶开式衣物处理设备的关盖检测控制系统和方法
CN109468805A (zh) * 2018-12-19 2019-03-15 杭州金鱼电器集团有限公司 一种壁挂式洗衣机的安装方法
DE102021200986A1 (de) 2021-02-03 2022-08-04 BSH Hausgeräte GmbH Verfahren zum Herstellen einer Mantelwand für eine Wäschetrommel mit einer Kompensationsprägung, Mantelwand für eine Wäschetrommel, sowie Wäschetrommel

Also Published As

Publication number Publication date
RU2452803C2 (ru) 2012-06-10
ES2363789T3 (es) 2011-08-16
DE602006020879D1 (de) 2011-05-05
ATE503052T1 (de) 2011-04-15
RU2007138842A (ru) 2009-04-27
EP1916327B1 (fr) 2011-03-23
PL1916327T3 (pl) 2011-08-31

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