EP1577435A1 - Haushaltwäschetrockner mit verbesserter Trommel - Google Patents

Haushaltwäschetrockner mit verbesserter Trommel Download PDF

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Publication number
EP1577435A1
EP1577435A1 EP04101157A EP04101157A EP1577435A1 EP 1577435 A1 EP1577435 A1 EP 1577435A1 EP 04101157 A EP04101157 A EP 04101157A EP 04101157 A EP04101157 A EP 04101157A EP 1577435 A1 EP1577435 A1 EP 1577435A1
Authority
EP
European Patent Office
Prior art keywords
drum
baffles
band
supports
deadening
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
EP04101157A
Other languages
English (en)
French (fr)
Other versions
EP1577435B1 (de
Inventor
Silvano Cimetta
Flavio Noviello
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 AT04101157T priority Critical patent/ATE376090T1/de
Priority to PL04101157T priority patent/PL1577435T3/pl
Priority to EP04101157A priority patent/EP1577435B1/de
Priority to ES04101157T priority patent/ES2291816T3/es
Priority to DE602004009534T priority patent/DE602004009534T2/de
Publication of EP1577435A1 publication Critical patent/EP1577435A1/de
Application granted granted Critical
Publication of EP1577435B1 publication Critical patent/EP1577435B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 instant invention refers to a kind of condenser drying machine, preferably of a household type, showing a particularly silent working during all times of drum operation.
  • This problem is particularly annoying when the drying machine operates at a slowed-down speed in order to reduce the noise generated by said air flows; as a matter of fact, during a slowed rotation and after having been lifted to the top, the laundry easier falls-down on the drum bottom, as the centrifugal force in the drum rotating at a lowered speed is no more enough to compensate the gravity force.
  • JP Application No. 06100806 it is known to fix a silencing sheet, made of insulating material, in contact with the internal circumferential metallic surface of the side plate of the rotary drum, and connecting the sheet to the side plate.
  • this must be applicable also to drying machines whose drum is made of two electrically separated and cylindrical half-drums, according to a well known technique.
  • this clothes drying machine shall be able to be easily manufactured using existing, ready available materials and techniques, and be competitive in its construction without suffering any alteration or reduction in the performance and reliability thereof.
  • drying machine is also provided with a deadening band 6, that covers the internal cylindrical surface of the drum and is interposed between it and the baffles, as showed in figures 1 and 2.
  • a plurality of insulating supports 2, 3, 4, 5, made preferably of plastic material, are mounted into contact with said internal surface of the drum, and said baffles 2A, 3A, 4A, 5A are engaged on respective said supports.
  • baffles 2A and 3A are provided with means, able to detect the insulating resistance inside the drum, mainly consisting of respective contacts 7, 8 which connect said baffles, made of metal and therefore electrically conductive, to respective electric connections 7A and 8A.
  • a typical solution is to connect a drum base "A" to the perimetral deadening band 6, and to use said sub-assembly constituted by said base and said band 6as a first point where to measure the insulation current, and to use the remaining base "B" as a second measuring point.
  • connections are insulated with respect to the outside, and especially with respect to the drum, in order to avoid the risk of shorting the baffles between which the insulating resistance has to be measured.
  • baffles used for the insulation measure are as closest as possible, and therefore two adjacent baffles will be preferably selected, as symbolically showed in fig. 3.
  • baffles are so construed and arranged to give a valid contribution to said measure and therefore they are split into two distinct groups, wherein the baffles of a first group are electrically connected among them, and the same thing for the baffles of the second group.
  • baffles are grouped in a way that to a same group belong only baffles alternated each other on the inner surface of the drum, then the measure becomes more precise and stable as there is a greater probability that a part of the laundry is in the same time into contact with two adjacent baffles, that therefore have to belong to the two different groups, whereon the insulating resistance measure is taken out.
  • a further metallic band 14 is overlapped, made for instance even in stainless steel, coated with copper or nickel etc., as exemplified in fig. 4, showing a front section of the drum wall orthogonal to the "X" drum axis, and in the fig. 5 showing the corresponding view of the drum as per the section B - B of fig. 4.
  • Such further band 14 must then be wholly placed in close contact with said deadening band 6, but also under said insulating supports 2, 3, 4, 5 bearing the respective baffles, so as the previously existing situation, relevant to the electrical connections before described, will not be modified.
  • the drum is no more visible from an user looking into the drum from outside the machine; therefore the drum can be made with a normal dull metal sheet, quite cheaper of the stainless steel sheet normally used.
  • the instant improvement therefore takes advantage of such a very little distance "d” to turn the baffles on one side, and the metallic band 14 on the other side, into respective contacts of the measurement circuit of the insulation resistance inside the drum; to this purpose, and with reference to fig. 6, the instant improvement uses that metallic band 14 as one of the measure contact, and the baffles, one or more of them, and preferably all of them for obvious reasons, and connected among them, as the other measure contact.
  • each of the baffles 20, 21, 22 and 23, that are selected as one common contact are linked with respective connections 20A, 20B, 20C, 20D able to electrically connect them to the first semi-drum 1A; the second contact is obtained by connecting the second semi-drum 1B to said metallic band 14 through a respective passing-through electric connection 30 (Fig. 7).
  • Said connections 20A-20D are obviously insulated with respect to the surrounding elements, and preferably they can ordinarily cross the respective said supports 2-5 said metallic band 14 and said deadening band 6, and at last go into contact with said first semi-drum 1A; to its turn the connection 30 crosses said deadening band 6 and said metallic plate 14, and then connects to the respective semi-drum 1B.
  • Fig. 7 symbolically illustrates such solution; said figure is a representation of the projection on a plane orthogonal to the drum axis "X" both of a portion of the semi-drum 1A, to which said connections 20A, 20B, 20C, 20D are terminated, and of a portion of the semi-drum 1B, (represented by the part contained in the curved lines "K" ) associated with said connection 30 linking it to said metallic band 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Drying Of Solid Materials (AREA)
EP04101157A 2004-03-19 2004-03-19 Haushaltwäschetrockner mit verbesserter Trommel Expired - Lifetime EP1577435B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT04101157T ATE376090T1 (de) 2004-03-19 2004-03-19 Haushaltwäschetrockner mit verbesserter trommel
PL04101157T PL1577435T3 (pl) 2004-03-19 2004-03-19 Domowa suszarka do prania z udoskonalonym bębnem
EP04101157A EP1577435B1 (de) 2004-03-19 2004-03-19 Haushaltwäschetrockner mit verbesserter Trommel
ES04101157T ES2291816T3 (es) 2004-03-19 2004-03-19 Secadora de ropa domestica con tambor mejorada.
DE602004009534T DE602004009534T2 (de) 2004-03-19 2004-03-19 Haushaltwäschetrockner mit verbesserter Trommel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04101157A EP1577435B1 (de) 2004-03-19 2004-03-19 Haushaltwäschetrockner mit verbesserter Trommel

Publications (2)

Publication Number Publication Date
EP1577435A1 true EP1577435A1 (de) 2005-09-21
EP1577435B1 EP1577435B1 (de) 2007-10-17

Family

ID=34833765

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04101157A Expired - Lifetime EP1577435B1 (de) 2004-03-19 2004-03-19 Haushaltwäschetrockner mit verbesserter Trommel

Country Status (5)

Country Link
EP (1) EP1577435B1 (de)
AT (1) ATE376090T1 (de)
DE (1) DE602004009534T2 (de)
ES (1) ES2291816T3 (de)
PL (1) PL1577435T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3158124A4 (de) * 2014-06-18 2018-01-03 Owens Corning Intellectual Capital, LLC Schwingungsdämpfungssystem

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1553841A (en) * 1975-11-18 1979-10-10 Ulgor Sci Washing or drying machine including apparatus for controlling the degree of dampness of clothing
GB2184217A (en) * 1985-12-17 1987-06-17 Zanussi Elettrodomestici Drum for a laundry dryer
DE19522432A1 (de) * 1995-06-21 1997-01-02 Miele & Cie Wäschetrockner mit einer Meßelektrodenanordnung zur Restfeuchteerfassung
DE19737340A1 (de) * 1997-08-27 1999-03-04 Aeg Hausgeraete Gmbh Programmgesteuerter elektrischer Wäschetrockner

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1553841A (en) * 1975-11-18 1979-10-10 Ulgor Sci Washing or drying machine including apparatus for controlling the degree of dampness of clothing
GB2184217A (en) * 1985-12-17 1987-06-17 Zanussi Elettrodomestici Drum for a laundry dryer
DE19522432A1 (de) * 1995-06-21 1997-01-02 Miele & Cie Wäschetrockner mit einer Meßelektrodenanordnung zur Restfeuchteerfassung
DE19737340A1 (de) * 1997-08-27 1999-03-04 Aeg Hausgeraete Gmbh Programmgesteuerter elektrischer Wäschetrockner

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 0140, no. 20 (C - 676) 17 January 1990 (1990-01-17) *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 02 29 February 1996 (1996-02-29) *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3158124A4 (de) * 2014-06-18 2018-01-03 Owens Corning Intellectual Capital, LLC Schwingungsdämpfungssystem

Also Published As

Publication number Publication date
DE602004009534T2 (de) 2008-07-24
EP1577435B1 (de) 2007-10-17
ATE376090T1 (de) 2007-11-15
ES2291816T3 (es) 2008-03-01
PL1577435T3 (pl) 2008-03-31
DE602004009534D1 (de) 2007-11-29

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