EP1905882A1 - Sèche-linge - Google Patents

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Publication number
EP1905882A1
EP1905882A1 EP06121575A EP06121575A EP1905882A1 EP 1905882 A1 EP1905882 A1 EP 1905882A1 EP 06121575 A EP06121575 A EP 06121575A EP 06121575 A EP06121575 A EP 06121575A EP 1905882 A1 EP1905882 A1 EP 1905882A1
Authority
EP
European Patent Office
Prior art keywords
drum
laundry drier
drying air
annular chamber
laundry
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
EP06121575A
Other languages
German (de)
English (en)
Other versions
EP1905882B1 (fr
Inventor
Luigi Arreghini
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 EP06121575A priority Critical patent/EP1905882B1/fr
Priority to DE602006013460T priority patent/DE602006013460D1/de
Priority to AT06121575T priority patent/ATE463607T1/de
Priority to ES06121575T priority patent/ES2344270T3/es
Priority to PL06121575T priority patent/PL1905882T3/pl
Publication of EP1905882A1 publication Critical patent/EP1905882A1/fr
Application granted granted Critical
Publication of EP1905882B1 publication Critical patent/EP1905882B1/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
    • 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 laundry drier, preferably for home use.
  • Known laundry driers operate in various ways, and in particular may condense a stream of hot air blown into a drying drum to remove moisture from the laundry, or may exhaust the stream of moisture-laden hot air directly from the drier.
  • Known laundry driers comprise a ventilation system (i. e. usually a blower comprising a fan and an electric fan motor) and a heating arrangement, which draw air from outside, and heat and blow the air into and through the laundry drum; and the hot drying air is then either exhausted directly from the drier or fed to condensing means to condense the moisture collected in the hot air.
  • the hot drying air which evaporates the water in the laundry, flows axially into the drum from the rear of the drum (i.e. in a direction parallel to the central rotation axis of the drum), and axially out of the drum from the front.
  • the hot drying air flows in and out of the drum along an axial path, i.e. in a rear-to-front direction from the rear drum flange to the front drum outlet, so that the heating element for heating the drying air is located at the rear of the drier, close to the rear of the drum.
  • EP1666657A1 describes a front-loading laundry drier comprising a laundry drum; a delivery conduit for feeding drying air into the drum; and an outflow conduit for removing the drying air from inside the drum.
  • EP1634984A1 describes a combination washing machine-drier comprising a top main body; a tub housing a revolving drum; a heat pump; a tub ventilation conduit comprising an intake conduit for hot, dry air blown into the tub; a suction conduit for moisture-laden air from the tub; and a base connected to the bottom of the top main body and housing the heat pump.
  • the intake conduit is located between the base and a first opening in the tub, and the suction conduit is located between the base and a second opening in the tub.
  • the hot drying air flows radially into and out of the drum (i.e. in a direction perpendicular to the central rotation axis of the drum), and so tends to be concentrated in a portion of the drum close to the inflow and outflow openings, as opposed to being distributed evenly inside the drum.
  • Ventilation system 7 comprises an air intake conduit 9 for feeding the hot drying air into drum 5 through an inflow opening 10; and an air exhaust conduit 11 for exhausting the hot drying air from inside the drum through a corresponding outflow opening 13.
  • Air conduits 9 and 11 are connected to each other by condenser 8, which condenses the moisture in the hot drying air flowing through it.
  • Ventilation system 7 also comprises a heating device 13 (e.g. an electric resistor) located along air intake conduit 9 to heat the drying air; and a fan 14 located along air intake conduit 9, upstream from condenser 8 (as shown in Figure 1) or downstream from condenser 8 (as in an alternative embodiment not shown).
  • a heating device 13 e.g. an electric resistor
  • Outflow opening 13 is located at a front access opening of drum 5 and close to rotation axis 6, so that the hot drying air flows axially out of drum 5 from the front (i.e. in a direction parallel to central rotation axis 6 of drum 5).
  • inflow opening 10 comprises a number of through holes 15 formed through a lateral surface 16 of drum 5 to define a circular perforated strip 17 on lateral surface 16 of drum 5.
  • lateral surface 16 of drum 5 only has through holes 15 in perforated strip 17, while the rest of lateral surface 16 has no perforation.
  • Intake conduit 9 terminates with an annular chamber 18 defined inside a hollow ring 19 surrounding drum 5 to completely cover perforated strip 17, so that the hot drying air fed along intake conduit 9 reaches annular chamber 18 and flows into drum 5 through holes 15 in perforated strip 17.
  • the hot drying air therefore flows radially into drum 5 (i.e. in a direction perpendicular to central rotation axis 6 of drum 5).
  • perforated strip 17 and, therefore, annular chamber 18 are located close to a rear wall 20 of drum 5, so that the hot drying air flows radially into and axially out of drum 5 along a rear-to-front direction path from rear wall 20 to the front access opening of drum 5.
  • the hot drying air flows radially into and axially out of drum 5 along a periphery-to-centre direction path.
  • sliding seals 22 are interposed between lateral surface 16 of drum 5 and lateral walls 21 of annular chamber 18.
  • Sliding seals 22 may be fixed to lateral walls 21 of annular chamber 18 and slide along lateral surface 16 of drum 5, or may be fixed to lateral surface 16 of drum 5 and slide along lateral walls 21 of annular chamber 18.
  • a rear lateral wall 21 of annular chamber 18 is larger than a front lateral wall 21, and partly overlaps rear wall 20 of drum 5, so that the sliding seal 22 of rear lateral wall 21 is interposed between rear lateral wall 21 of annular chamber 18 and rear wall 20 of drum 5, and is easier to implement than sliding seal 22 of front lateral wall 21.
  • condenser 8 heating device 13, and fan 14 are located at the bottom (in the base) of casing 2, and therefore beneath drum 5, so that air intake conduit 9 and air exhaust conduit 11 are both substantially vertical.
  • heating device 13 is housed in the base of casing 2, the protective metal parts normally surrounding heating device 13 may be reduced, thus reducing cost.
  • condenser 8 and the relative cooling conduit are referred to here purely by way of example in connection with one embodiment and a particularly advantageous application of the present invention, and may be omitted in the case of an exhaust-type laundry drier 1 (i.e. in which the hot drying air from drum 5 is exhausted directly from laundry drier 1).
  • Laundry drier 1 as described above has numerous advantages, by being cheap and easy to implement, and by providing for extremely even distribution of the hot drying air inside drum 5.
  • inflow opening 10 being defined by all the holes 15 in perforated strip 17, has a large area, and is also perfectly symmetrical with respect to drum 5, thus enabling extremely even distribution of the hot drying air inside drum 5.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Woven Fabrics (AREA)
  • Polarising Elements (AREA)
  • Drying Of Solid Materials (AREA)
EP06121575A 2006-09-29 2006-09-29 Sèche-linge Not-in-force EP1905882B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP06121575A EP1905882B1 (fr) 2006-09-29 2006-09-29 Sèche-linge
DE602006013460T DE602006013460D1 (de) 2006-09-29 2006-09-29 Wäschetrockner
AT06121575T ATE463607T1 (de) 2006-09-29 2006-09-29 Wäschetrockner
ES06121575T ES2344270T3 (es) 2006-09-29 2006-09-29 Secadora de ropa.
PL06121575T PL1905882T3 (pl) 2006-09-29 2006-09-29 Suszarka do ubrań

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06121575A EP1905882B1 (fr) 2006-09-29 2006-09-29 Sèche-linge

Publications (2)

Publication Number Publication Date
EP1905882A1 true EP1905882A1 (fr) 2008-04-02
EP1905882B1 EP1905882B1 (fr) 2010-04-07

Family

ID=37762365

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06121575A Not-in-force EP1905882B1 (fr) 2006-09-29 2006-09-29 Sèche-linge

Country Status (5)

Country Link
EP (1) EP1905882B1 (fr)
AT (1) ATE463607T1 (fr)
DE (1) DE602006013460D1 (fr)
ES (1) ES2344270T3 (fr)
PL (1) PL1905882T3 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010136610A1 (fr) * 2009-05-28 2010-12-02 Girbau, S.A. Sèche-linge à tambour rotatif de type tunnel
CN112941801A (zh) * 2019-12-10 2021-06-11 博西华电器（江苏）有限公司 衣物处理设备及操作其的方法和装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE880584C (de) * 1951-08-29 1953-05-07 Franz Pluemer Sen Verfahren zum Trocknen von Waesche od. dgl. Gut und Vorrichtung zum Ausueben des Verfahrens
CH307608A (de) * 1951-08-29 1955-06-15 Pluemer Karl Heinz Verfahren und Vorrichtung zum Trocknen von Wäsche und ähnlichem Gut.
EP1403416A1 (fr) * 2002-09-26 2004-03-31 Ipso-LSG Sèche-linge
EP1600548A2 (fr) * 2004-05-13 2005-11-30 LG Electronics Inc. Sèche linge
EP1634984A1 (fr) * 2004-09-09 2006-03-15 Electrolux Home Products Corporation N.V. Machine combinée pour le lavage et le séchage du linge avec pompe à chaleur

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE880584C (de) * 1951-08-29 1953-05-07 Franz Pluemer Sen Verfahren zum Trocknen von Waesche od. dgl. Gut und Vorrichtung zum Ausueben des Verfahrens
CH307608A (de) * 1951-08-29 1955-06-15 Pluemer Karl Heinz Verfahren und Vorrichtung zum Trocknen von Wäsche und ähnlichem Gut.
EP1403416A1 (fr) * 2002-09-26 2004-03-31 Ipso-LSG Sèche-linge
EP1600548A2 (fr) * 2004-05-13 2005-11-30 LG Electronics Inc. Sèche linge
EP1634984A1 (fr) * 2004-09-09 2006-03-15 Electrolux Home Products Corporation N.V. Machine combinée pour le lavage et le séchage du linge avec pompe à chaleur

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010136610A1 (fr) * 2009-05-28 2010-12-02 Girbau, S.A. Sèche-linge à tambour rotatif de type tunnel
US8959789B2 (en) 2009-05-28 2015-02-24 Girbau, S.A. Tunnel-type rotary-drum tumble dryer
CN112941801A (zh) * 2019-12-10 2021-06-11 博西华电器（江苏）有限公司 衣物处理设备及操作其的方法和装置
CN112941801B (zh) * 2019-12-10 2023-11-17 博西华电器（江苏）有限公司 衣物处理设备及操作其的方法和装置

Also Published As

Publication number Publication date
PL1905882T3 (pl) 2010-09-30
ES2344270T3 (es) 2010-08-23
ATE463607T1 (de) 2010-04-15
DE602006013460D1 (de) 2010-05-20
EP1905882B1 (fr) 2010-04-07

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