EP1852535B1 - Machine à laver et à sécher avec unité de condensation secondaire - Google Patents

Machine à laver et à sécher avec unité de condensation secondaire Download PDF

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Publication number
EP1852535B1
EP1852535B1 EP06425300A EP06425300A EP1852535B1 EP 1852535 B1 EP1852535 B1 EP 1852535B1 EP 06425300 A EP06425300 A EP 06425300A EP 06425300 A EP06425300 A EP 06425300A EP 1852535 B1 EP1852535 B1 EP 1852535B1
Authority
EP
European Patent Office
Prior art keywords
fan
washer
dryer
wall
air
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.)
Not-in-force
Application number
EP06425300A
Other languages
German (de)
English (en)
Other versions
EP1852535A1 (fr
Inventor
Andrea Ambrosi
Lucio Gastaldelli
Marco Righetti
Mauro Tosi
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.)
Bonferraro SpA
Original Assignee
Bonferraro 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 Bonferraro SpA filed Critical Bonferraro SpA
Priority to EP06425300A priority Critical patent/EP1852535B1/fr
Priority to ES06425300T priority patent/ES2336696T3/es
Priority to AT06425300T priority patent/ATE454492T1/de
Priority to DE602006011583T priority patent/DE602006011583D1/de
Priority to PL06425300T priority patent/PL1852535T3/pl
Publication of EP1852535A1 publication Critical patent/EP1852535A1/fr
Application granted granted Critical
Publication of EP1852535B1 publication Critical patent/EP1852535B1/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
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 
    • 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 
    • D06F58/24—Condensing arrangements

Definitions

  • the present invention relates to washers/dryers, and in particular to a washer/dryer in which a fan acts also as secondary condensing unit to speed up the drying of the laundry at the end of the washing cycle.
  • a fan creates an air stream in the circuit and a resistor heats the air circulating in said circuit.
  • an electrovalve is opened to admit condensing water into a condensing duct, where the condensing water is kept in suspension by the suction created by the fan.
  • the fan receives partially cooled and dried air that is heated again by the resistor and returned to the tank.
  • the object of the present invention is to provide a washer/dryer which overcomes said drawbacks.
  • This object is achieved by means of a washer/dryer in which the fan acts as secondary condensing unit by operating as a heat exchanger thanks to a cooling jacket.
  • Other advantageous features of the present washer/dryer are disclosed in the dependent claims.
  • the main advantage of the present washer/dryer is that of achieving in the fan the condensation of the residual moisture contained in the air coming from the condensing duct, so as to improve the condensing effectiveness. This results in a reduction of the drying time, with a subsequently lower power consumption.
  • Another significant advantage of this arrangement comes from its structural compactness that allows to achieve the above-mentioned improvement in effectiveness without affecting the overall size of the machine and with only a minimum increase in manufacturing cost.
  • the drying circuit conventionally includes a centrifugal fan F connected to a condensing duct C where the stream of moist air, coming from the tank through an air entrance AE, flows in a direction opposite to the condensing water CW introduced in duct C through a relevant water entrance WE.
  • a resistor R with a relevant safety thermostat T, is arranged downstream from fan F in a return duct H to heat air prior to returning it to the tank, while the water condensed in duct C is conveyed to the drain pump through a bottom drain D.
  • fan F is provided with an external cooling jacket CJ that encloses it at least partially.
  • Said cooling jacket CJ is provided with a water inlet WI and a water outlet WO so as to create a water circulation (indicated by the arrows) that cools the external wall E of fan F.
  • the novel aspect of the present invention consists therefore in said wall E acting as a heat exchanger on which the residual moisture condenses, and is then discharged through a relevant condensate drain CD.
  • fan F performs its function of secondary condensing unit exploiting the normal motion imparted to the air to have it make contact with the wide exchange surface E.
  • the only increase in power consumption is given by the pump (not illustrated) that circulates water in the cooling jacket CJ, but the reduction in the drying time that results in a decreased operating time of fan F and resistor R more than makes up for that increased consumption.
  • fan F could also not be of the centrifugal type and the cooling jacket CJ could therefore be not on the outside but formed as an internal interspace.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Centrifugal Separators (AREA)
  • Drying Of Solid Materials (AREA)

Claims (2)

  1. Machine à laver/sécher ayant un circuit de séchage dans lequel l'air circule sous l'action d'un ventilateur (F), une paroi (E) du ventilateur (F) étant refroidie, caractérisée en ce que ledit ventilateur (F) est prévu avec une chemise de refroidissement (CJ) ayant une entrée d'eau (WI) et une sortie d'eau (WO) afin de créer, au moyen d'une pompe, une circulation d'eau appropriée pour refroidir la paroi (E) du ventilateur (F), l'air passant par le ventilateur (F) entrant en contact avec ladite paroi (E) refroidie adjacente à laquelle on forme un drain de condensat (CD).
  2. Machine à laver/sécher selon la revendication 1, caractérisée en ce que la chemise de refroidissement (CJ) enferme au moins partiellement le ventilateur (F) qui est du type centrifuge, la paroi (E) refroidie étant une paroi externe du ventilateur (F).
EP06425300A 2006-05-03 2006-05-03 Machine à laver et à sécher avec unité de condensation secondaire Not-in-force EP1852535B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP06425300A EP1852535B1 (fr) 2006-05-03 2006-05-03 Machine à laver et à sécher avec unité de condensation secondaire
ES06425300T ES2336696T3 (es) 2006-05-03 2006-05-03 Lavadora-secadora con unidad de condensacion separada.
AT06425300T ATE454492T1 (de) 2006-05-03 2006-05-03 Wäschetrockner mit einer sekundären kondensationeinheit
DE602006011583T DE602006011583D1 (de) 2006-05-03 2006-05-03 Wäschetrockner mit einer sekundären Kondensationeinheit
PL06425300T PL1852535T3 (pl) 2006-05-03 2006-05-03 Pralko-suszarka z wtórną jednostka kondensacyjną

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP06425300A EP1852535B1 (fr) 2006-05-03 2006-05-03 Machine à laver et à sécher avec unité de condensation secondaire

Publications (2)

Publication Number Publication Date
EP1852535A1 EP1852535A1 (fr) 2007-11-07
EP1852535B1 true EP1852535B1 (fr) 2010-01-06

Family

ID=37037453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06425300A Not-in-force EP1852535B1 (fr) 2006-05-03 2006-05-03 Machine à laver et à sécher avec unité de condensation secondaire

Country Status (5)

Country Link
EP (1) EP1852535B1 (fr)
AT (1) ATE454492T1 (fr)
DE (1) DE602006011583D1 (fr)
ES (1) ES2336696T3 (fr)
PL (1) PL1852535T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101467769B1 (ko) 2008-04-01 2014-12-10 엘지전자 주식회사 의류처리장치 및 그 제어방법
KR101949188B1 (ko) * 2012-01-12 2019-02-18 삼성전자주식회사 드럼 세탁기
ITPR20120071A1 (it) * 2012-10-23 2014-04-24 Indesit Co Spa Dispositivo di asciugatura con soffiante

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3121000A (en) * 1960-11-09 1964-02-11 Philco Corp Laundry dryer or washer-dryer
FR2664625B1 (fr) * 1990-07-10 1993-12-24 Ciapem Seche-linge a turbine.
DE4237253A1 (de) * 1992-11-04 1994-05-05 Bosch Siemens Hausgeraete Kondensator für einen Haushalt-Wäschetrockner oder -Waschtrockner

Also Published As

Publication number Publication date
ATE454492T1 (de) 2010-01-15
PL1852535T3 (pl) 2010-06-30
EP1852535A1 (fr) 2007-11-07
ES2336696T3 (es) 2010-04-15
DE602006011583D1 (de) 2010-02-25

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