EP1947232B1 - Séchoir à linge domestique doté d'un filtre à charpie vibrant - Google Patents

Séchoir à linge domestique doté d'un filtre à charpie vibrant Download PDF

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Publication number
EP1947232B1
EP1947232B1 EP07100627A EP07100627A EP1947232B1 EP 1947232 B1 EP1947232 B1 EP 1947232B1 EP 07100627 A EP07100627 A EP 07100627A EP 07100627 A EP07100627 A EP 07100627A EP 1947232 B1 EP1947232 B1 EP 1947232B1
Authority
EP
European Patent Office
Prior art keywords
septum
drying machine
clothes drying
machine according
vibrations
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.)
Active
Application number
EP07100627A
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German (de)
English (en)
Other versions
EP1947232A1 (fr
Inventor
Alberto Bison
Carlo Urbanet
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
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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 EP07100627A priority Critical patent/EP1947232B1/fr
Priority to PL07100627T priority patent/PL1947232T3/pl
Priority to ES07100627T priority patent/ES2331812T3/es
Priority to AT07100627T priority patent/ATE443176T1/de
Priority to DE602007002468T priority patent/DE602007002468D1/de
Priority to PCT/EP2007/011044 priority patent/WO2008086875A1/fr
Publication of EP1947232A1 publication Critical patent/EP1947232A1/fr
Application granted granted Critical
Publication of EP1947232B1 publication Critical patent/EP1947232B1/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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/22—Lint collecting arrangements

Definitions

  • the present invention refers to an improved kind of clothes drying machine, preferably of the type for use in households, which is particularly comfortable and easy to use.
  • front-loader drying machine Even if in the following of this description it is be referred to a front-loader drying machine, it will be understood that the invention may be applied to any combined washing-and drying machine, as well as to an only drying machine, both top- and front-loader, and both with vertical or horizontal axis.
  • these lint filters are subject to clogging, and in fact they tend to clog up rather quickly, so that they make it necessary for the user to quite frequently perform a disassembly, cleaning and maintenance chore that, albeit not particularly difficult or laborious, is generally found as something that users do not like very much to carry out, so that they often tend to avoid doing it. Owing to such generally low care and concern by the users, lint filters are quite often left unattended, i.e. without any proper maintenance, so that they soon end up by getting clogged with the unavoidable result that the flow of air therethrough is sensibly slowed down, thereby deteriorating the drying performance of the machine accordingly.
  • a clothes drying machine either of the condenser-type or the exhaust-type, which is provided with a single filter for the flow of drying air, to be located at the outlet mouth of the drying-air re-circulation conduit, or exhaust conduit as the case may be, wherein this filter itself, and associated devices as it will better explained later on, is capable of automatically and permanently performing a cleaning action of said single filter, without any need for the user him/herself to carry out any cleaning or maintenance.
  • DE 3438575 A1 discloses a drying machine wherein to control the vibration mechanism of a filter bag and the swing mechanism of a door closing the conduit from the drum to the bag it is provided an electric control means.
  • Said control means is designed so that the vibration mechanism is activated with intervals, i.e. through rapid, alternate impulses of the pneumatic cylinder, whereby the intervals are adjustable by clocks, load counting devices and program keyboards of the control means.
  • the control of the vibration mechanism and that of the swing mechanism is coupled so that the actuation of the vibration mechanism is carried out only when the communication between the drum and the filter bag is interrupted by the door operated by the swing mechanism.
  • DE 29620412 Ul discloses a drying machine comprising control means to control a vibration motor to vibrate a filter at 150 HZ.
  • US 7,040,039 B 1 discloses a clothes dryer with lint detector position within the clothes dryer.
  • a light source is also positioned within the clothes dryer.
  • the lint detector has a surface that receives light emitted by the light source. Further, the lint detector has a photocell that receives light reflected for the surface if lint covers the surface.
  • a drying machine comprises a rotating drum 1 to hold the clothes to be dried, to which there is associated an exhaust conduit 2 for the outflow of the drying air.
  • this conduit continues by connecting to a so-called re-circulation conduit 3, which is provided in order to collect the flow of drying air exiting the drum and convey it through an appropriate condenser arrangement and, from this condenser, on again into the drum.
  • the flow of drying air thus contains a certain amount of small material which is left by the drying items and which is conventionally called: lint.
  • lint As already explained such lint are intercepted by filtering means provided with proper filtering septa 5 made of thin and very close-mesh net.
  • the instant invention use the effect of a vibration to free the filtering septum, i. e. imposes to the same septum a vibration whose characteristics will be explained in the following.
  • a further improvement refers to the optimum positioning of the filtering septum; in the facts, in order to obtain the most spontaneous lint removal, after their "loosening" from the filtering septum caused by the vibration, it was realized that the most advantageous position is when the filtering septum is vertically oriented, as in such a case the lints, which are set free, are separate by gravity from the septum itself.
  • FIG. 2 shows a machine 10 wherein the portion below the lower edge of the opening, to access to the inner drum, is connected to an outlet conduit 2 for the moisture laden air flow; said portion is shaped so as to lodge a filtering septum 5, according known means.
  • such a machine 10 is provided with a front door 11 inside which a conduit 22 is arranged, to exhaust the moisture laden air flow from the drum.
  • Said conduit 22 is conveyed either towards a discharge mouth, not shown, or and preferably towards an air recirculation circuit, this being not shown either.
  • the filter means is lodged, which is formed by a frame 4 and by a relevant filtering septum 5, vertically oriented.
  • said filter and said access mouth do show corresponding shapes so as they may match each other.
  • a device for generating vibrations 15 is solidly connected to said frame 4; therefore, very simply said, when said device 15 is being activated, the vibrations so generated are directly conducted to the frame itself, and from it to the filtering septum 5, causing the wanted effect of lint separation , and consequent their falling down by gravity.
  • the whole said filter is lodged in a proper filter body 16, inside which the filtering septum 16 is then positioned.
  • the lower portion of said filter body 16 is not closed, not even by a wide-mesh net, but is opened, and below said filter body a collecting element 17 is placed, which is able to collect and to contain the lints falling down from the above placed septum.
  • the lints are being not dispersed but may be concentrated into a proper container, which may be periodically removed and emptied from the lints themselves.
  • said frame 4 may be connected not to only to one of said vibration generators 15, but to two or more 15 and 15A of such devices, wherein such devices are placed on two sides which are substantially orthogonal to each other 18, 19, belonging to the same frame 4.
  • the requested vibration may be generated by a very simple and cheap electro-mechanical transducer (bobbin and core), which are properly supplied and controlled by proper means apt of generating an electric frequency at controlled frequency, well known in the art.

Claims (10)

  1. Sèche-linge ou machine de lavage-séchage, comprenant :
    - un tambour tournant (1) retenant le linge à sécher,
    - un conduit d'air de séchage (2, 22) apte à convoyer un flux d'air de séchage vers l'intérieur dudit tambour tournant et depuis celui-ci vers l'extérieur, à rester dans l'enceinte ou à être recirculé, séché, chauffé et à nouveau soufflé dans ledit tambour,
    - au moins un septum de filtration (5) apte à intercepter les corps/matériaux étrangers, et en particulier la charpie entraînée par ledit flux d'air passant dans ledit conduit (2, 22),
    - des moyens aptes à réaliser le nettoyage dudit septum de filtration,
    comprenant un dispositif pour produire des vibrations (15) apte à amener/faire ledit septum de filtration à vibrer,
    caractérisé en ce qu'il présente des moyens de commande aptes à produire une plage de vibrations qui s'étendent selon un mode sensiblement continu de la valeur de la fréquence minimum à la valeur de la fréquence maximum.
  2. Sèche-linge selon la revendication 1, caractérisé en ce que ledit dispositif pour produire des vibrations (15) est relié mécaniquement audit septum de filtration.
  3. Sèche-linge selon la revendication 2, caractérisé en ce que ledit dispositif pour produire des vibrations est connecté audit septum de filtration de telle manière que les vibrations produites sont transférées dans des directions qui sont parallèles à au moins un plan principal dudit septum de filtration.
  4. Sèche-linge selon la revendication 2 ou 3, caractérisé en ce que les vibrations produites par ledit dispositif (15) s'étendent dans la plage de 10-1000 Hz.
  5. Sèche-linge selon l'une quelconque des revendications précédentes, caractérisé en ce que les vibrations produites par ledit dispositif amènent ledit septum à vibrer avec une accélération supérieure à 2g.
  6. Sèche-linge selon la revendication 1, caractérisé en ce que ledit moyen de commande est activé automatiquement durant au moins une portion des intervalles de temps d'inversion de la rotation du tambour.
  7. Sèche-linge selon l'une quelconque des revendications précédentes 1 à 6, caractérisé en ce que durant l'opération dudit dispositif pour produire des vibrations (15, 15A), la circulation de flux d'air dans ledit conduit d'air de séchage (2, 22) est arrêtée automatiquement et temporairement.
  8. Sèche-linge selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit septum de filtration (5) est orienté dans une position sensiblement verticale, et en ce qu'un élément de collecte (17), apte à collecter et à contenir les matières dégagées par le nettoyage du septum, est placé en dessous dudit septum de filtration.
  9. Sèche-linge selon l'une quelconque des revendications précédentes, caractérisé en ce que lesdits moyens pour nettoyer ledit septum de filtration (5) comprennent au moins deux dispositifs (15, 15A) produisant des vibrations, et aptes à amener ledit septum à vibrer, et en ce que lesdits deux dispositifs sont placés sur deux côtés du même septum qui sont sensiblement orthogonaux l'un à l'autre.
  10. Sèche-linge selon l'une quelconque des revendications précédentes, caractérisé en ce que ledit moyen de commande est activé automatiquement à la fin de n'importe quel cycle de séchage.
EP07100627A 2007-01-16 2007-01-16 Séchoir à linge domestique doté d'un filtre à charpie vibrant Active EP1947232B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP07100627A EP1947232B1 (fr) 2007-01-16 2007-01-16 Séchoir à linge domestique doté d'un filtre à charpie vibrant
PL07100627T PL1947232T3 (pl) 2007-01-16 2007-01-16 Suszarka do odzieży z wibrującym filtrem kłaczków przeznaczona do użytku domowego
ES07100627T ES2331812T3 (es) 2007-01-16 2007-01-16 Maquina secadora de ropa domestica con filtro vibrante para pelusa.
AT07100627T ATE443176T1 (de) 2007-01-16 2007-01-16 Haushaltswäschetrockner mit vibrierendem flusenfilter
DE602007002468T DE602007002468D1 (de) 2007-01-16 2007-01-16 Haushaltswäschetrockner mit vibrierendem Flusenfilter
PCT/EP2007/011044 WO2008086875A1 (fr) 2007-01-16 2007-12-17 Sèche-linge pour usage domestique comprenant un filtre à charpie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07100627A EP1947232B1 (fr) 2007-01-16 2007-01-16 Séchoir à linge domestique doté d'un filtre à charpie vibrant

Publications (2)

Publication Number Publication Date
EP1947232A1 EP1947232A1 (fr) 2008-07-23
EP1947232B1 true EP1947232B1 (fr) 2009-09-16

Family

ID=38055495

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07100627A Active EP1947232B1 (fr) 2007-01-16 2007-01-16 Séchoir à linge domestique doté d'un filtre à charpie vibrant

Country Status (6)

Country Link
EP (1) EP1947232B1 (fr)
AT (1) ATE443176T1 (fr)
DE (1) DE602007002468D1 (fr)
ES (1) ES2331812T3 (fr)
PL (1) PL1947232T3 (fr)
WO (1) WO2008086875A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2361480B1 (es) 2009-02-16 2012-04-12 Girbau, S.A. Secadora de ropa industrial con dispositivo de limpieza de filtro.
KR101716821B1 (ko) * 2010-10-12 2017-03-15 삼성전자주식회사 의류건조기 및 이에 구비되는 린트 청소장치
JP2016104111A (ja) * 2014-11-19 2016-06-09 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． 乾燥機
CN115613327A (zh) * 2021-07-13 2023-01-17 青岛海尔洗衣机有限公司 一种干衣机及其线屑分离装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3438575A1 (de) * 1984-10-20 1986-04-30 Herbert Kannegiesser Gmbh + Co, 4973 Vlotho Vorrichtung zum trocknen von waesche
DE29620412U1 (de) * 1996-11-22 1997-01-16 Senkingwerk Gmbh Kg Flusensieb und damit ausgestatteter Trockner
US6101741A (en) * 1998-04-15 2000-08-15 Maytag Corporation Gravity assisted lint trap
US7040039B1 (en) * 2004-12-23 2006-05-09 Richard Stein Clothes dryer with lint detector
EP1719833B1 (fr) * 2005-03-14 2008-03-05 Electrolux Home Products Corporation N.V. Sèche-linge domestique avec filtre à peluche correspondant

Also Published As

Publication number Publication date
PL1947232T3 (pl) 2010-02-26
EP1947232A1 (fr) 2008-07-23
DE602007002468D1 (de) 2009-10-29
WO2008086875A1 (fr) 2008-07-24
ATE443176T1 (de) 2009-10-15
ES2331812T3 (es) 2010-01-15

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