EP1950338A1 - Säulenanordnung für Haushaltsgeräte - Google Patents

Säulenanordnung für Haushaltsgeräte Download PDF

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Publication number
EP1950338A1
EP1950338A1 EP07101136A EP07101136A EP1950338A1 EP 1950338 A1 EP1950338 A1 EP 1950338A1 EP 07101136 A EP07101136 A EP 07101136A EP 07101136 A EP07101136 A EP 07101136A EP 1950338 A1 EP1950338 A1 EP 1950338A1
Authority
EP
European Patent Office
Prior art keywords
household appliance
hertz
cabinet
column assembly
polymeric gel
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
EP07101136A
Other languages
English (en)
French (fr)
Other versions
EP1950338B1 (de
Inventor
Stefano Galassi
Michela Gasparollo
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 PL07101136T priority Critical patent/PL1950338T3/pl
Priority to ES07101136T priority patent/ES2358612T3/es
Priority to EP07101136A priority patent/EP1950338B1/de
Priority to DE602007011386T priority patent/DE602007011386D1/de
Priority to AT07101136T priority patent/ATE492678T1/de
Priority to RU2008102831/12A priority patent/RU2439228C2/ru
Publication of EP1950338A1 publication Critical patent/EP1950338A1/de
Application granted granted Critical
Publication of EP1950338B1 publication Critical patent/EP1950338B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12Casings; Tubs
    • D06F39/125Supporting arrangements for the casing, e.g. rollers or legs
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F29/00Combinations of a washing machine with other separate apparatus in a common frame or the like, e.g. with rinsing apparatus
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F29/00Combinations of a washing machine with other separate apparatus in a common frame or the like, e.g. with rinsing apparatus
    • D06F29/005Combinations of a washing machine with other separate apparatus in a common frame or the like, e.g. with rinsing apparatus the other separate apparatus being a drying appliance

Definitions

  • the present invention relates to a household appliance column assembly.
  • the present invention relates to a household appliance column assembly formed by a laundry dryer stacked on a washing machine.
  • a vibration damper which is fixed to the machine casing to reduce casing vibrations at resonance speeds, and which normally comprises an oscillating mass and a number of coil springs connecting the oscillating mass to the washing machine casing.
  • the oscillating mass and the coil spring system are properly dimensioned to vibrate, during rotation of the drum, out of phase with respect to vibrations transmitted to the casing by the floating suspension system of the drum, thus reducing the amplitude of the casing vibrations.
  • washing machine total weight is one of the main parameters to be taken into consideration in the dimensioning of the above cited vibration damper (traditionally known as "Frahm damper”).
  • the drum floating suspension system and the vibration damper of the washing machine fail to sufficiently reduce machine vibrations reaching the casing, so that the washing machine becomes noisy.
  • washing machine vibration damper does not provide for optimum dumping performances and the vibrations generated by the revolving drum during the spin cycle may be resonance-amplified to an unacceptable noise level. This phenomenon becomes much more evident when the household appliance column assembly rests on a flexible floor, such as a wooden floor, a soft floor, or a floor resting on a thin slab.
  • a household appliance column assembly as claimed in Claim 1 and preferably, though not necessarily, any one of the Claims depending directly or indirectly on Claim 1.
  • Number 1 in the accompanying drawings indicates as a whole a household appliance column assembly formed by two household appliances stacked one above the other on the floor, wherein each of two household appliances comprises a preferably, though not necessarily, parallelepiped-shaped cabinet or casing and a series of supporting feet extending from the bottom of the cabinet to rest on the floor or on the top of the cabinet of the lower household appliance.
  • household appliance column assembly 1 is formed by a washing machine 2 resting on the floor, and by a laundry dryer 3 resting on the top of washing machine 2.
  • Washing machine 2 comprises a preferably, though not necessarily, parallelepiped-shaped cabinet 4, a series of supporting feet 5 extending from the bottom of cabinet 4 to rest on the floor, and a cylindrical washing tub 6 which is positioned inside cabinet 4 and is provided with a front opening selectively closable by a door 7 hinged to cabinet 4.
  • Washing machine 2 also comprises a revolving drum 8 fitted in rotary manner about a horizontal rotation axis inside washing tub 6, and an electric motor (not shown) connected to drum 8 by a transmission system so as to rotate, on command, drum 8 about its longitudinal rotation axis inside washing tub 6.
  • laundry dryer 3 in turn comprises a preferably, though not necessarily, parallelepiped-shaped cabinet 9, a series of supporting feet 10 extending from the bottom of cabinet 9 to rest on the top of washing machine cabinet 4, and a drying chamber (not shown) which is located inside cabinet 9 and is provided with a front opening selectively closable by a door 11 hinged to cabinet 9.
  • laundry dryer 3 also comprises a revolving drum 12 fitted in rotary manner about a horizontal rotation axis inside the drying chamber, and an electric motor (not shown) connected to drum 12 by a transmission system so as to rotate, on command, drum 12 about its longitudinal rotation axis inside the above cited drying chamber.
  • laundry dryer 3 i.e. the upper household appliance of household appliance column assembly 1
  • washing machine 2 i.e. the lower household appliance of household appliance column assembly 1
  • each supporting foot 10 of laundry dryer 3 i.e. of the upper household appliance
  • each supporting foot 10 of laundry dryer 3 comprises a rigid element 13 projecting from the bottom of cabinet 9, and at least one elastic pad 14 of viscoelastic polymeric gel covering the distal end 13a of rigid element 13 so as to be interposed between rigid element 13 and the top surface 4a of cabinet 4 of washing machine 2.
  • rigid element 13 is formed by a plastic or metal stem 15 projecting from the bottom of cabinet 9 coaxially to a vertical reference axis A, and by a disk-shaped washer 16 fixed to the end of stem 16 so as to lie on a reference plane perpendicular to reference axis A, whereas pad 14 is defined by a monolithic disk-shaped piece 14 of viscoelastic polymeric gel covering the lower flat surface of washer 16, i.e. the distal end 13a of rigid element 13.
  • elastic pads 14 are made of viscoelastic Polyurethane or Silicone gel having a dynamic elastic modulus G' lower than 300.000 pascals within a frequency range between 5 Hertz and 15 Hertz, and a dynamic loss factor ⁇ greater than 0,1 within a frequency range between 5 Hertz and 15 Hertz.
  • elastic modulus G' of the viscoelastic polymeric gel should be lower than 300.000 pascals within a frequency range between 3 Hertz and 30 Hertz, and loss factor ⁇ should be greater than 0,1 within a frequency range between 3 Hertz and 30 Hertz.
  • elastic modulus G' of the viscoelastic polymeric gel is comprised between 10.000 pascals and 100.000 pascals within a frequency range between 5 Hertz and 15 Hertz, and preferably, though not necessarily, within a frequency range between 3 Hertz and 30 Hertz; and loss factor ⁇ of the viscoelastic polymeric gel is comprised between 0,1 and 0,5 within a frequency range between 5 Hertz and 15 Hertz, and preferably, though not necessarily, within a frequency range between 3 Hertz and 30 Hertz.
  • MK ⁇ wherein M is the value of the sinusoidal stress torque transmitted to the support, and K ⁇ is the geometrical stress constant of the tested material sample.
  • ⁇ K ⁇
  • the value of the angular displacement of the end of material sample (i.e. the viscoelastic polymeric gel) subjected to the sinusoidal strain
  • K ⁇ the geometrical strain constant of the tested material sample
  • tan ⁇ wherein ⁇ is the phase angle between strain and stress trends (i.e. phase shift between strain and stress vectors).
  • Household appliance column assembly 1 has numerous advantages: the use of laundry dryer 3 as a vibration damper takes away the need to replace the internal "Frahm damper" of the washing machine 2 when the latter becomes part of a household appliance column assembly. Moreover assembling of laundry dryer 3 on the top of washing machine 2 is earlier and faster than in today's household appliance column assemblies.
  • damping performance of the floating laundry dryer 3 remains high over a extremely wide operative range of frequencies, thus strongly improving stability and silenceness of the household appliance column assembly 1.
  • supporting feet 10 of laundry dryer 3 may be replaced by a single large supporting foot comprising a rigid bedplate fixed to the bottom of cabinet 9, and at least one elastic pad of viscoelastic polymeric gel covering the lower surface of the bedplate so as to be interposed between the bedplate and the top surface 4a of washing machine cabinet 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Vibration Prevention Devices (AREA)
  • Cookers (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Packages (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
EP07101136A 2007-01-25 2007-01-25 Säulenanordnung für Haushaltsgeräte Not-in-force EP1950338B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
PL07101136T PL1950338T3 (pl) 2007-01-25 2007-01-25 Kolumnowy zestaw urządzeń wykorzystywanych w gospodarstwie domowym
ES07101136T ES2358612T3 (es) 2007-01-25 2007-01-25 Conjunto de electrodomésticos en forma de columna.
EP07101136A EP1950338B1 (de) 2007-01-25 2007-01-25 Säulenanordnung für Haushaltsgeräte
DE602007011386T DE602007011386D1 (de) 2007-01-25 2007-01-25 Säulenanordnung für Haushaltsgeräte
AT07101136T ATE492678T1 (de) 2007-01-25 2007-01-25 Säulenanordnung für haushaltsgeräte
RU2008102831/12A RU2439228C2 (ru) 2007-01-25 2008-01-24 Колонка из бытовых устройств

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07101136A EP1950338B1 (de) 2007-01-25 2007-01-25 Säulenanordnung für Haushaltsgeräte

Publications (2)

Publication Number Publication Date
EP1950338A1 true EP1950338A1 (de) 2008-07-30
EP1950338B1 EP1950338B1 (de) 2010-12-22

Family

ID=38080839

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07101136A Not-in-force EP1950338B1 (de) 2007-01-25 2007-01-25 Säulenanordnung für Haushaltsgeräte

Country Status (6)

Country Link
EP (1) EP1950338B1 (de)
AT (1) ATE492678T1 (de)
DE (1) DE602007011386D1 (de)
ES (1) ES2358612T3 (de)
PL (1) PL1950338T3 (de)
RU (1) RU2439228C2 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011134752A1 (de) * 2010-04-28 2011-11-03 BSH Bosch und Siemens Hausgeräte GmbH Gehäuse für ein haushaltsgerät und verfahren zu dessen stabilisierung
ITPN20110068A1 (it) * 2011-10-17 2013-04-18 Stefano Galassi Sistema di alimentazione industriale con smarzatore di vibrazioni
EP2377985A3 (de) * 2010-04-13 2013-06-12 Whirlpool Corporation Wäschebehandlungsanwendung mit kraftabschwächenden Füßen
CN112899967A (zh) * 2016-12-23 2021-06-04 三星电子株式会社 衣物处理系统
CN114855412A (zh) * 2019-10-10 2022-08-05 无锡小天鹅电器有限公司 衣物处理装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111692275B (zh) * 2019-03-13 2023-01-31 青岛海尔洗衣机有限公司 一种洗衣机底脚及工艺方法

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767944A (en) * 1953-10-28 1956-10-23 Gen Electric Supporting structure for clothes washing machines and the like
JPH04136541A (ja) * 1990-09-26 1992-05-11 Suzuki Sogyo Co Ltd 防振支持装置
JPH04236994A (ja) * 1991-01-19 1992-08-25 Sanyo Electric Co Ltd ドラム式洗濯機
EP0631066A1 (de) * 1993-06-24 1994-12-28 Hitachi, Ltd. Schwingungskontrollvorrichtung
JP2001314693A (ja) * 2000-05-12 2001-11-13 Matsushita Electric Ind Co Ltd 洗濯機等の脚装置
EP1493357A1 (de) * 2003-07-04 2005-01-05 Electrolux Home Products Corporation N.V. Haushaltsmaschine und Standfuss für eine Haushaltsmaschine, insbesondere Waschmaschine oder Wäscheschleuder
EP1530925A1 (de) * 2003-11-17 2005-05-18 Samsung Electronics Co., Ltd. Höheneinstellungsvorrichtung und damit versehenes elektrisches Küchengerät
US20060131466A1 (en) * 2003-05-13 2006-06-22 L G Electronics Inc. Leg assembly for home appliance

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2767944A (en) * 1953-10-28 1956-10-23 Gen Electric Supporting structure for clothes washing machines and the like
JPH04136541A (ja) * 1990-09-26 1992-05-11 Suzuki Sogyo Co Ltd 防振支持装置
JPH04236994A (ja) * 1991-01-19 1992-08-25 Sanyo Electric Co Ltd ドラム式洗濯機
EP0631066A1 (de) * 1993-06-24 1994-12-28 Hitachi, Ltd. Schwingungskontrollvorrichtung
JP2001314693A (ja) * 2000-05-12 2001-11-13 Matsushita Electric Ind Co Ltd 洗濯機等の脚装置
US20060131466A1 (en) * 2003-05-13 2006-06-22 L G Electronics Inc. Leg assembly for home appliance
EP1493357A1 (de) * 2003-07-04 2005-01-05 Electrolux Home Products Corporation N.V. Haushaltsmaschine und Standfuss für eine Haushaltsmaschine, insbesondere Waschmaschine oder Wäscheschleuder
EP1530925A1 (de) * 2003-11-17 2005-05-18 Samsung Electronics Co., Ltd. Höheneinstellungsvorrichtung und damit versehenes elektrisches Küchengerät

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 199225, Derwent World Patents Index; AN 1992-205491, XP002437511 *

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2377985A3 (de) * 2010-04-13 2013-06-12 Whirlpool Corporation Wäschebehandlungsanwendung mit kraftabschwächenden Füßen
EP2377986A3 (de) * 2010-04-13 2013-06-12 Whirlpool Corporation Wäschebehandlungsanwendung mit kraftabschwächenden Füßen
WO2011134752A1 (de) * 2010-04-28 2011-11-03 BSH Bosch und Siemens Hausgeräte GmbH Gehäuse für ein haushaltsgerät und verfahren zu dessen stabilisierung
ITPN20110068A1 (it) * 2011-10-17 2013-04-18 Stefano Galassi Sistema di alimentazione industriale con smarzatore di vibrazioni
CN112899967A (zh) * 2016-12-23 2021-06-04 三星电子株式会社 衣物处理系统
CN112899967B (zh) * 2016-12-23 2023-10-27 三星电子株式会社 衣物处理系统
US11859332B2 (en) 2016-12-23 2024-01-02 Samsung Electronics Co., Ltd. Washing machine
CN114855412A (zh) * 2019-10-10 2022-08-05 无锡小天鹅电器有限公司 衣物处理装置
CN114855412B (zh) * 2019-10-10 2023-11-03 无锡小天鹅电器有限公司 衣物处理装置

Also Published As

Publication number Publication date
ES2358612T3 (es) 2011-05-12
RU2439228C2 (ru) 2012-01-10
RU2008102831A (ru) 2009-07-27
EP1950338B1 (de) 2010-12-22
DE602007011386D1 (de) 2011-02-03
ATE492678T1 (de) 2011-01-15
PL1950338T3 (pl) 2011-08-31

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