EP1559827B1 - Tambour pour sèche-linge - Google Patents

Tambour pour sèche-linge Download PDF

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Publication number
EP1559827B1
EP1559827B1 EP04425050A EP04425050A EP1559827B1 EP 1559827 B1 EP1559827 B1 EP 1559827B1 EP 04425050 A EP04425050 A EP 04425050A EP 04425050 A EP04425050 A EP 04425050A EP 1559827 B1 EP1559827 B1 EP 1559827B1
Authority
EP
European Patent Office
Prior art keywords
basket
wall
deflector element
airflow
inlet aperture
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.)
Expired - Fee Related
Application number
EP04425050A
Other languages
German (de)
English (en)
Other versions
EP1559827A1 (fr
Inventor
Silvano Fumagalli
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.)
Candy SpA
Original Assignee
Candy SpA
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 Candy SpA filed Critical Candy SpA
Priority to EP04425050A priority Critical patent/EP1559827B1/fr
Priority to DE602004003784T priority patent/DE602004003784T2/de
Publication of EP1559827A1 publication Critical patent/EP1559827A1/fr
Application granted granted Critical
Publication of EP1559827B1 publication Critical patent/EP1559827B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • 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 basket for a laundry drying machine or washer-dryer.
  • a dryer machine for laundry with a basket/tank unit, a suction unit, a air-water or air-air heat exchanger and an electrical resistance heating unit, in which an airflow created by the suction unit is heated by the electrical resistances and conveyed into the basket or drum, where, by passing through the wet laundry, it causes the evaporation of the water contained in the fabrics.
  • the basket is made to turn in one direction only or in alternating directions in order to toss and spin the laundry inside.
  • a heat exchanger cooling the moist air and condensing the vapour thereof is provided in the so-called closed circuit dryer machines.
  • the thus dehumidified air is then sucked by the suction unit and made to re-circulate.
  • a basket according to the preamble of claim 1 is known from US 4,338,730 or US 3,270,436.
  • the object of the present invention is to provide a drying device, having the characteristics such as to contribute to a reduction in the energy consumption necessary for drying the laundry.
  • figure 1 is a partial sectional view of a dryer machine according to a first embodiment of the invention
  • figure 1a is a partial front view of a detail of the machine in figure 1;
  • figure 2 is a partial section view of a drying machine in accordance with a second embodiment of the invention.
  • figure 2a is a partial front view of a detail of the machine in figure 2;
  • figure 3 is a partial section view of a dryer machine according to a third embodiment of the invention.
  • figure 3a is a partial front view of a detail of the machine in figure 3;
  • figure 4 is a partial sectional view of a dryer machine according to a fourth embodiment of the invention.
  • figure 4a is a partial front view of a detail of the machine in figure 4;
  • figure 5 is a partial sectional view of a dryer machine according to a fifth embodiment of the invention.
  • figure 6 is a partial sectional view of a dryer machine according to a non claimed embodiment of the invention.
  • figure 7 is a partial sectional view of a dryer machine according to a non claimed embodiment of the invention.
  • a laundry dryer machine 1 comprises a basket or drum 2 for housing the laundry.
  • the basket 2 is provided with an inlet aperture 3 for a drying airflow 4 and an outlet aperture 5 for the moist air 6.
  • a system of ducts 7 with associated ventilator means (not shown in the figures), such as a ventilator rotor driven by an electric motor, are provided to convey the drying airflow 4, through the inlet aperture 3 in the basket 2.
  • Suitable heating means being in a heat exchange-relationship with the drying air 4, such as an electrical resistance 9, arranged in the airflow 4 upstream from the inlet aperture 3 are suitable to heat the air 4 before it enters the basket 2.
  • the laundry dryer machine 1 also comprises means for moving the basket 2 in such a way to turn and spin the laundry, exposing it to the drying airflow 4.
  • Such means comprise for example an electric motor (not shown) causing the basket 2 to rotate, preferably with an alternating sense of direction.
  • the laundry dryer machine 1 further comprises deflector means suitable to deviate permanently at least a portion 11 of the airflow 4 against a side wall 12 of the basket 2 which is substantially transverse to the wall delimiting the inlet aperture 3, in which said side wall 12 is adapted to reflect in a permanent way the portion 11 of the airflow 4 towards the inside of the basket 2.
  • the side wall 12 is formed as the cylindrical wall of the basket 2, whilst one of its flat rear walls 13 delimits said inlet aperture 3.
  • the deflector means 10 comprise a deflector element 10 with a discoid form associated from the inside of the basket to its rear wall 13 at the inlet aperture 3.
  • the deflector element 10 has a greater extension than that of the inlet aperture 3 and is spaced away from the rear wall 13, such as to define between said wall 13 and said deflector element 10 a substantially discoid space in order to deviate the portion 11 of the airflow 4 towards the side wall 12.
  • the deflector element 10 comprises a ring-shaped peripheral portion 14 folded back towards the rear wall 13 and also connected thereto all around the deflector element itself.
  • the peripheral portion 14 is provided with apertures or perforations 15 suitable to make air 11 pass into the basket 2 in the direction of the side wall 12.
  • the peripheral portion 14 has, in relation to the side wall 12, a bias of between 15° and 85°, preferably of from 30° to 60° and delimits, together with a central portion 16 of the deflector element 10 and the rear wall 13, a truncated cone space whose major base is formed by the wall 13 and whose smaller base is formed by the central portion 16.
  • the central portion 16 is further preferably parallel to the rear wall 13 of the basket 2 or rather to the plane in which the inlet aperture 3 lies.
  • the central portion 16 is devoid of apertures for the air and is a barrier and deviation wall for the airflow 4.
  • the central portion 16 defines a number of apertures or holes 17 to cause a portion of the airflow 4 to pass into the basket 2 in a substantially axial direction, such that the laundry is struck, simultaneously, by both the axial, i.e. the main flow 4 and the portion 11 of the air reflected by the side wall 12.
  • two or more towing blades 18 are further provided arranged on the wall 13 defining the inlet aperture 3.
  • said towing blades 18 are radially connected to the outside of the deflector element 10 and define guide surfaces for the deviated airflow 11.
  • the deflector element 10 is connected to the wall 13 such as to define a circumferential slot 19 therewith extending radially around the outside of the inlet aperture 3.
  • This circumferential slot 19 provides a ring-shaped passage (optionally with interruptions), through which the portion of air 11 can be conveyed into the basket 2 towards the side wall 12.
  • the deflector element 10 is, according to the embodiment, perforated either in its central portion 16 and/or in its peripheral portion 14 or, according to the embodiment shown in figure 3, it is devoid of passage apertures.
  • the deflector element 10 is arranged in a substantially parallel manner to the wall 13, it has said substantially flat central portion 16 and a peripheral portion 14 shaped such as to define one or more towing blades 18.
  • Said towing blades can be provided additionally to one or more conventional type blades or alone.
  • the deflector element 10 is connected to the wall 13 such as to delimit with the latter a circumferential slot 19 extending radially outside the inlet aperture 3 and the towing blades 18.
  • This circumferential slot 19 provides, as described previously, a ring-shaped passage (optionally with interruptions), through which the portion of air 11 can be conveyed into the basket 2 towards the side wall 12.
  • apertures 26 for the passage of air may also be provided, which are made directly in said towing blades 18.
  • the heating means in the specific case the electrical resistance 9, is arranged at the inlet aperture 3, in a space delimited by said deflector element 10 and a screen 20, substantially parallel to the deflector element 10 such that the air flow 4, before entering the basket 2 bounces between the deflector element 10 and the screen 20, lapping the electrical resistance 9 several times.
  • the arrangement of the deflector element 10 opposite to the screen 20 with the resistance 9 therebetween further enables prolonged thermal irradiation of the air until the moment in which the latter enters the basket 2 (see for example fig. 5).
  • a dynamic seal is provided between the fixed structure, i.e. the duct 7, and the mobile structure, i.e. the edge of the inlet aperture 3 of the basket 2.
  • the deflector element 10 with an advantageously flat discoid shape connects permanently the inlet aperture 3 with spaces 21 made in towing blades 22 of the side wall 12.
  • the blades 22 are provided with suitable passage apertures 23, through which the air deviated from the deflector element 2 enters in the form of a continuous flow into the basket 2.
  • the towing blades 22 run from the deflector element 10 preferably, but not necessarily, in an axial direction (in relation to an axis of rotation r of the basket 2) to the opposite wall, in other words to the anterior wall 27 of the basket 2.
  • the towing blades 22 terminate before the anterior wall 27 and have a front wall 25 substantially facing said anterior wall 27, the front wall 25 is in turn provided with passage apertures 24 suitable to allow part of the air flow to pass, directing it against the anterior wall of the basket 2.
  • the front walls 25 of the towing blades 22 are inclined such that their radially outer ends are closer to the anterior wall of the basket than their radially inner ends.
  • said front walls 25 define with the side wall 12 an angle of between 15° and 85°, preferably between 30° and 60°.
  • the deflector element 10 is preferably made in plastic or metallic material and also applicable as an accessory to baskets of the conventional type, whereas the screen 20 is preferably made in sheet metal, advantageously heat insulated.
  • drying air before entering the basket 2, circulates several times around the electric resistance, thus favouring a more efficient heat exchange between the resistance and the air.
  • the airflow through the basket is pressurized on the resistances and also on the laundry inside the basket and not, as occurs in state of the art devices, in suction.
  • the basket and the laundry dryer machine according to the invention have a number of advantages.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Claims (22)

  1. Panier (2) pour un sèche-linge (1) ou machine lavante-séchante du type comprenant :
    - un panier ou tambour (2) apte à loger le linge et pourvu d'une ouverture d'entrée (3) pour un flux d'air séchant (4) ;
    - un système de conduits (7) pourvu d'un moyen de ventilateur associé (9, 10) apte à transporter ledit flux d'air (4), via ladite ouverture d'entrée (3) dans ledit panier (2),
    - un moyen de chauffage (9), disposé dans le flux d'air (4) en amont de l'ouverture d'entrée (3) et apte à chauffer l'air (4) avant qu'il pénètre dans le panier (2) ;
    dans lequel ledit panier (2) comprend également un moyen déflecteur (10, 14, 15, 16, 17, 18) apte à dévier en permanence au moins une portion (11) du flux d'air (4) contre une paroi latérale (12) du panier (2), qui est sensiblement transversale à la paroi (13) délimitant l'ouverture d'entrée (3), ladite paroi latérale (12) étant conçue pour réfléchir la portion (11) du flux d'air (4) vers l'intérieur du panier (2),
    dans lequel le moyen déflecteur comprend un élément déflecteur (10) sensiblement en forme de disque, l'élément déflecteur (10) étant associé depuis l'intérieur du panier (2) à ladite paroi (13) au niveau de l'ouverture d'entrée (3), caractérisé en ce que
    ledit élément déflecteur (10) a une plus grande extension que celle de l'ouverture d'entrée (3) et est espacé de la paroi (13), afin de définir un espace sensiblement en forme de disque entre la paroi (13) et l'élément déflecteur (10) afin de dévier la portion (11) du flux d'air (4) vers la paroi latérale (12),
    dans lequel l'élément déflecteur (10) comprend une portion périphérique en forme d'anneau (14) qui est repliée vers la paroi (13),
    dans lequel ladite portion périphérique (14) délimite, conjointement à une portion centrale (16) de l'élément déflecteur (10) et la paroi arrière (13), un espace en forme de cône tronqué dont la base principale est formée par la paroi (13) et la base plus petite est formée par la portion centrale (16).
  2. Panier (2) selon la revendication 1, dans lequel ladite paroi latérale (12) est une paroi cylindrique du panier (2), tandis que l'ouverture d'entrée (3) est délimitée par une paroi arrière sensiblement plate (13) du panier (2).
  3. Panier (2) selon la revendication 1 ou 2, dans lequel l'élément déflecteur (10) comprend une portion périphérique en forme d'anneau (14) qui est repliée vers la paroi (13) et reliée à celle-ci tout autour de l'élément déflecteur (10).
  4. Panier (2) selon la revendication 3, dans lequel la portion périphérique (14) est pourvue d'ouvertures (15) qui sont aptes à permettre à la portion d'air (11) de passer dans le panier (2) dans la direction de la paroi latérale (12).
  5. Panier (2) selon la revendication 3 ou 4, dans lequel la portion périphérique (14) a, par rapport à la paroi latérale (12), une inclinaison comprise entre 15° et 85°.
  6. Panier (2) selon la revendication 5, dans lequel la portion centrale (16) est parallèle à la paroi arrière (13) du panier (2).
  7. Panier (2) selon la revendication 5 ou 6, dans lequel la portion centrale (16) est dépourvue d'ouvertures pour l'air et constitue une barrière et une paroi de déviation pour le flux d'air (4).
  8. Panier (2) selon la revendication 5 ou 6, dans lequel la portion centrale (16) délimite un nombre de trous (17) pour permettre à une portion du flux d'air (4) de passer dans le panier (2) dans une direction sensiblement axiale, de manière que le linge soit frappé, simultanément, par ledit flux axial et la portion d'air (11), réfléchie par la paroi latérale (12).
  9. Panier (2) selon l'une quelconque des revendications précédentes, dans lequel au moins deux lames d'entraînement (18) sont agencées sur la paroi (13).
  10. Panier (2) selon la revendication 9, dans lequel lesdites lames d'entraînement (18) sont situées radialement à l'extérieur de l'élément déflecteur (10) et définissent des surfaces de guidage pour la portion d'air déviée (11).
  11. Panier (2) selon l'une quelconque des revendications précédentes, dans lequel l'élément déflecteur (10) est relié à la paroi (13), ce qui délimite avec elle un passage en forme d'anneau (19) s'étendant radialement à l'extérieur de l'ouverture d'entrée.
  12. Panier (2) selon la revendication 11, dans lequel l'élément déflecteur (10) est perforé dans sa portion centrale (16).
  13. Panier (2) selon la revendication 11 ou 12, dans lequel ledit élément déflecteur (10) est perforé dans sa portion périphérique (14).
  14. Panier (2) selon l'une quelconque des revendications 1 à 3, 5 à 7, 9 à 11, dans lequel l'élément déflecteur (10) est dépourvu d'ouvertures de passage.
  15. Panier (2) selon l'une quelconque des revendications précédentes, dans lequel l'élément déflecteur (10) est agencé de manière sensiblement parallèle à la paroi (13) et présente une portion périphérique (14) qui est conformée pour définir une ou plusieurs lames d'entraînement (18).
  16. Panier (2) selon la revendication 15, dans lequel l'élément déflecteur (10) est relié à la paroi (13) pour délimiter avec elle un passage d'air en forme d'anneau circonférentiel (19) s'étendant radialement à l'extérieur de l'ouverture d'entrée (3) et des lames d'entraînement (18) .
  17. Panier (2) selon la revendication 15 ou 16, comprenant des ouvertures de passage (26) pour l'air, ménagées dans lesdites lames d'entraînement (18).
  18. Panier (2) selon l'une quelconque des revendications précédentes, dans lequel ledit élément déflecteur (10) relie de manière permanente l'ouverture d'entrée (3) avec des espaces (21) ménagés dans les lames d'entraînement (22) de la paroi latérale (12), lesdites lames (22) étant pourvues d'ouvertures de passage (23) via lesquelles le flux d'air (4, 11) peut pénétrer dans le panier (2) sous la forme d'un flux continu.
  19. Panier (2) selon la revendication 18, dans lequel lesdites lames d'entraînement (22) s'étendent depuis l'élément déflecteur (10) dans une direction sensiblement axiale par rapport à un axe de rotation (r) du panier (2) jusqu'à une paroi avant du panier (2).
  20. Panier (2) selon la revendication 18, dans lequel lesdites lames d'entraînement (22) se terminent avant une paroi antérieure du panier (2) à l'opposé de l'élément déflecteur (10) et ont une paroi avant (25) sensiblement tournée vers ladite paroi antérieure, ladite paroi avant (25) étant pourvue d'ouvertures de passage (24) pour permettre à une partie du flux d'air de passer, en la dirigeant sur ladite paroi antérieure du panier (2).
  21. Sèche-linge (1) comprenant :
    - un panier ou tambour (2) apte à loger du linge et pourvu d'une ouverture d'entrée (3) pour un flux d'air séchant (4) ;
    - un système de conduits (7, 8) pourvu d'un moyen de ventilateur associé (9, 10) apte à transporter ledit flux d'air (4), via ladite ouverture d'entrée (3) dans ledit panier (2) ;
    - un moyen de chauffage (9), disposé dans le flux d'air (4) en amont de l'ouverture d'entrée (3) et apte à chauffer l'air (4) avant qu'il pénètre dans le panier (2),
    caractérisé en ce que ledit panier (2) est un panier selon l'une quelconque des revendications précédentes.
  22. Sèche-linge (1) selon la revendication 21, dans lequel le moyen de chauffage comprend une résistance électrique (9), agencée au niveau de l'ouverture d'entrée (3) du panier (2), dans un espace délimité par ledit élément déflecteur (10) et un écran (20) sensiblement parallèle à l'élément déflecteur (10), de manière que le flux d'air (4), rebondisse entre l'élément déflecteur (10) et l'écran (20) avant de pénétrer dans le panier (2), enveloppant ainsi la résistance électrique (9) un certain nombre de fois.
EP04425050A 2004-01-28 2004-01-28 Tambour pour sèche-linge Expired - Fee Related EP1559827B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP04425050A EP1559827B1 (fr) 2004-01-28 2004-01-28 Tambour pour sèche-linge
DE602004003784T DE602004003784T2 (de) 2004-01-28 2004-01-28 Trommel für einen Wäschetrockner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP04425050A EP1559827B1 (fr) 2004-01-28 2004-01-28 Tambour pour sèche-linge

Publications (2)

Publication Number Publication Date
EP1559827A1 EP1559827A1 (fr) 2005-08-03
EP1559827B1 true EP1559827B1 (fr) 2006-12-20

Family

ID=34639512

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04425050A Expired - Fee Related EP1559827B1 (fr) 2004-01-28 2004-01-28 Tambour pour sèche-linge

Country Status (2)

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EP (1) EP1559827B1 (fr)
DE (1) DE602004003784T2 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1832678B1 (fr) * 2006-03-06 2012-06-13 Electrolux Home Products Corporation N.V. Sèche-linge domestique économisant l'énergie
JP5599280B2 (ja) * 2010-10-08 2014-10-01 シャープ株式会社 洗濯乾燥機
ITTO20111199A1 (it) * 2011-12-23 2013-06-24 Indesit Co Spa Macchina asciugatrice di biancheria
EP2604746B1 (fr) * 2011-12-15 2020-03-11 Whirlpool EMEA S.p.A Machine pour sécher le linge
DE102012202126A1 (de) * 2012-02-13 2013-08-14 BSH Bosch und Siemens Hausgeräte GmbH Wäschebehandlungsvorrichtung mit einer Wäschetrommel, die eine Lufteinlassöffnung aufweist
EP2631357B1 (fr) * 2012-02-27 2016-09-07 Electrolux Home Products Corporation N.V. Sèche-linge à tambour rotatif
ITUD20120147A1 (it) * 2012-08-29 2014-03-01 Giovanni Costantino Dispositivo e metodo di asciugatura per una macchina asciugatrice per indumenti
KR102011817B1 (ko) 2012-12-31 2019-08-19 엘지전자 주식회사 의류처리장치
CN111041764B (zh) * 2018-10-11 2022-12-20 无锡小天鹅电器有限公司 衣物处理装置和衣物处理装置的内筒组件
CN113638177B (zh) * 2020-05-11 2024-02-13 重庆海尔滚筒洗衣机有限公司 一种洗干一体机

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR933997A (fr) * 1946-09-27 1948-05-07 Inv S Et De Rech S Et Ct S D O Perfectionnements aux machines à laver, essorer et de nettoyage à sec
US2670549A (en) * 1951-10-03 1954-03-02 Hamilton Mfg Co Laundry drier
US2798306A (en) * 1954-04-20 1957-07-09 Borg Warner Laundry drying apparatus
GB885171A (en) * 1959-04-15 1961-12-20 Fisher & Paykel Improvements in or relating to clothes driers
US3270436A (en) * 1963-08-26 1966-09-06 Fairgrieve & Son Ltd Clothes drier
GB2058316B (en) * 1979-08-23 1983-10-26 Tokyo Shibaura Electric Co Dryer
DE3918560A1 (de) * 1989-06-07 1990-12-13 Zanker Gmbh & Co Ohg Waeschetrockner
DE29520212U1 (de) * 1995-12-20 1997-04-17 AEG Hausgeräte GmbH, 90429 Nürnberg Wäschetrockner mit einer drehbar gelagerten Wäschetrommel

Also Published As

Publication number Publication date
DE602004003784D1 (de) 2007-02-01
EP1559827A1 (fr) 2005-08-03
DE602004003784T2 (de) 2007-10-11

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