EP2325375B1 - Procédé de fonctionnement d'un lave-linge et lave-linge - Google Patents

Procédé de fonctionnement d'un lave-linge et lave-linge Download PDF

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Publication number
EP2325375B1
EP2325375B1 EP09401042.8A EP09401042A EP2325375B1 EP 2325375 B1 EP2325375 B1 EP 2325375B1 EP 09401042 A EP09401042 A EP 09401042A EP 2325375 B1 EP2325375 B1 EP 2325375B1
Authority
EP
European Patent Office
Prior art keywords
washing machine
steam
operating
machine according
washing
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
EP09401042.8A
Other languages
German (de)
English (en)
Other versions
EP2325375A1 (fr
Inventor
Christian Beckord
Dirk Sieding
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
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 Miele und Cie KG filed Critical Miele und Cie KG
Priority to EP09401042.8A priority Critical patent/EP2325375B1/fr
Publication of EP2325375A1 publication Critical patent/EP2325375A1/fr
Application granted granted Critical
Publication of EP2325375B1 publication Critical patent/EP2325375B1/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
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/005—Methods for washing, rinsing or spin-drying
    • D06F35/008—Methods for washing, rinsing or spin-drying for disinfecting the tub or the drum

Definitions

  • the previously known washing machine comprises a lye container for receiving washing liquid, a drum rotatably disposed within the lye container, a water inlet device, a discharge device and a steam generating device.
  • the steam generating device is activated and the heated steam supplied to the drum or the tub.
  • the invention has for its object to provide a method for operating a washing machine, which reliably meets increased hygienic requirements.
  • the inventive method is characterized in that the sterilization of a washing machine with a steam generating device is improved in a simple manner. For this purpose, no further components are needed.
  • the activation of the drain device takes place only after exceeding a limit value for the temperature of the supplied steam. This ensures that only hot steam reaches the contaminated areas. It is reliably avoided that colder steam or mist, which could cause an increase in germs in the worst case, enters the drain device. It is expedient that the limit is in the range between 65 and 80 ° C, ie above the temperature that kills germs.
  • the drain device is inactivated or switched off at least approximately simultaneously. This will avoid that colder steam or spray passes into the drain device after completion of the sterilization phase.
  • the drum is moved during the supply of steam into the tub.
  • the vapor in the tub is set in motion, whereby it is distributed and reaches the areas to be sterilized faster.
  • the empty drum is here continuously rotated at a speed of 60 to 150 1 / min, creating an air or vapor flow in the space between the drum wall and the tub wall.
  • the supply of steam is set for a duration in the range of about 10 to 20 minutes.
  • the steam is generated in the lower region in spatial proximity to the drain opening of the tub and / or supplied. This avoids premature cooling on the drum walls or tub walls.
  • the drain device comprises a drain pump for pumping out the washing liquid
  • the drain pump is turned on during emptying of the tub during the steam supply and thereby generates a draft in the lines and parts of the drain device, which is adapted to the To convey vapor from the tub or drum into the conduits and parts of the drainage device.
  • the hot steam passes quickly and very far into the lines of the drainage device, so that a good sterilization of these parts is achieved.
  • the stage of sterilization takes place automatically after completion of a wash cycle.
  • the spun laundry can remain in the drum, since the vast majority of the hot steam passes through the drain opening in the drain device without entering the drum interior.
  • the disinfecting phase is included in a separate program to be selected, here referred to as a user-selectable hygiene program.
  • Fig. 1 is a purely schematic representation of a washing machine 1, shown with a housing 4 arranged in the tub 2.
  • the position and direction information refer to the operational installation position of the laundry treatment machine.
  • a rotatably mounted and driven by an electric motor 13 drum 3 is arranged, which moves the washing 8 located in the tub 2.
  • the drum 3 is made in the present embodiment of stainless steel and provided with a plurality of openings for the flooding.
  • the washing liquid or water is introduced, which / is required for cleaning or treating the laundry 8.
  • a radiator (not shown) is arranged in the lower region of the tub 2.
  • an inlet valve 15 is sketched, which controls the entry of the water from the supply network.
  • the laundry treatment machine 1 has a device 12 for generating steam, which is injected via a line 16 and a nozzle 17 connected thereto in the interior of the tub 2 and in the interior of the drum 3.
  • the nozzle 17 is in the upper region of the gasket 6, which provides the connection between the opening 9 in the tub 2 and the closable by the door 5 opening 10 in the housing 4, attached.
  • the steam is introduced by means of the line 16a in the lower region of the tub 2, in the vicinity of the drain opening 2a, which communicates with the drain device 18.
  • the drainage device 18 comprises a line 20a from the drain opening 2a to the drain pump 19 and, proceeding therefrom, an outlet line 20b which leads the washing liquid to be discharged to the outside.
  • the steam generating device 12 is supplied with inflowing water, wherein a radiator heats this water and thereby evaporate.
  • the control device 21 is designed to control the water supply 15 or the radiator. Further, it is adapted to control the heating body for the washing liquid, the motor 13 and the drainage means 18 for performing a washing program.
  • Fig. 2a and 2c schematically show the course over the activities of the steam generator 12 and the drainage device 18 for the phase of sterilization.
  • the steam generating device 12 or the radiator of this device is activated.
  • the temperature of the outgoing steam increases continuously.
  • the steam has reached a limit temperature, in this example 70 ° C.
  • the drain device 18 is activated.
  • the drain pump 19 is turned on, so that they first transported residual water from the bottom of the tub 2 out and opens a possibly existing float valve.

Landscapes

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

Claims (11)

  1. Procédé de fonctionnement d'une machine à laver (1) avec une cuve de lessivage (2) destinée à recevoir du liquide de lavage, un tambour (3) disposé de façon rotative à l'intérieur de la cuve de lessivage (2), un système d'alimentation en eau (15), un système d'évacuation (18) et un système de production de vapeur (12), comprenant les étapes de procédé suivantes :
    a) activation du système de production de vapeur (12),
    b) acheminement de la vapeur chauffée dans la cuve de lessivage (2),
    caractérisé en ce que
    l'acheminement de la vapeur chauffée dans la cuve de lessivage (2) s'effectue quand le tambour (3) est vide et quand la cuve de lessivage (2) est vide et quand le système d'évacuation (18) est activé.
  2. Procédé de fonctionnement d'une machine à laver selon la revendication 1,
    caractérisé en ce que
    l'activation du système d'évacuation (18) s'effectue après le dépassement d'une valeur limite (T limite) pour la température de la vapeur acheminée.
  3. Procédé de fonctionnement d'une machine à laver selon la revendication 2,
    caractérisé en ce que
    la valeur limite (T limite) se situe dans la plage comprise entre 65 et 80 °C.
  4. Procédé de fonctionnement d'une machine à laver selon la revendication 1,
    caractérisé en ce que
    le système d'évacuation (18) est inactivé au moins de façon à peu près simultanée avec l'arrêt (T3) du système de production de vapeur (12).
  5. Procédé de fonctionnement d'une machine à laver selon la revendication 1,
    caractérisé en ce que,
    pendant l'acheminement de la vapeur dans la cuve de lessivage (2), le tambour (3) est mis en mouvement.
  6. Procédé de fonctionnement d'une machine à laver selon la revendication 1,
    caractérisé en ce que
    l'acheminement de la vapeur dure environ entre 10 et 20 minutes.
  7. Procédé de fonctionnement d'une machine à laver selon l'une des revendications 1 à 6,
    caractérisé en ce que
    la vapeur est produite et/ou acheminée dans la zone inférieure à proximité spatiale de l'ouverture d'évacuation (2a) de la cuve de lessivage (2).
  8. Procédé de fonctionnement d'une machine à laver selon la revendication 1, dans lequel le système d'évacuation de la machine à laver comprend une pompe à lessive (19) pour le pompage du liquide de lavage (7),
    caractérisé en ce que
    la pompe à lessive (19) est mise en circuit pendant l'acheminement de vapeur quand la cuve de lessivage (2) est vidée et produit de ce fait un courant d'air dans les conduites (20a, 20b, 19) et dans des parties du système d'évacuation (18) qui est constitué pour transporter la vapeur à partir de la cuve de lessivage (2) ou du tambour (3) dans les conduites (20a, 20b) ou des parties (19) du système d'évacuation (18).
  9. Procédé de fonctionnement d'une machine à laver selon l'une des revendications 1 à 8,
    caractérisé en ce
    qu'il est fourni une phase de désinfection.
  10. Procédé de fonctionnement d'une machine à laver selon la revendication 9,
    caractérisé en ce que
    la phase de désinfection s'effectue automatiquement pendant la réalisation d'un programme de lavage, à l'issue d'un cycle de lavage ou respectivement à l'issue du traitement du linge.
  11. Procédé de fonctionnement d'une machine à laver selon la revendication 9,
    caractérisé en ce que
    la phase de désinfection est intégrée dans un programme d'hygiène séparé pouvant être sélectionné par l'utilisateur.
EP09401042.8A 2009-11-23 2009-11-23 Procédé de fonctionnement d'un lave-linge et lave-linge Not-in-force EP2325375B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP09401042.8A EP2325375B1 (fr) 2009-11-23 2009-11-23 Procédé de fonctionnement d'un lave-linge et lave-linge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP09401042.8A EP2325375B1 (fr) 2009-11-23 2009-11-23 Procédé de fonctionnement d'un lave-linge et lave-linge

Publications (2)

Publication Number Publication Date
EP2325375A1 EP2325375A1 (fr) 2011-05-25
EP2325375B1 true EP2325375B1 (fr) 2016-11-09

Family

ID=42126004

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09401042.8A Not-in-force EP2325375B1 (fr) 2009-11-23 2009-11-23 Procédé de fonctionnement d'un lave-linge et lave-linge

Country Status (1)

Country Link
EP (1) EP2325375B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101959308B1 (ko) * 2012-09-04 2019-07-04 엘지전자 주식회사 세탁물 처리방법
DE102022208546A1 (de) 2022-08-17 2024-02-22 BSH Hausgeräte GmbH Verfahren zur Dampfbehandlung von Textilien

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19620512A1 (de) 1996-05-22 1997-11-27 Miele & Cie Programmgesteuerte Waschmaschine
DE19751028C2 (de) 1997-11-19 2001-12-06 Miele & Cie Verfahren zur Durchführung eines Hygieneprogramms
CH695383A5 (de) 2001-07-10 2006-04-28 V Zug Ag Wäschetrockner oder Waschautomat mit Bedampfungsvorrichtung.
DE10328071B4 (de) 2003-06-23 2019-01-31 BSH Hausgeräte GmbH Verfahren zur Reinigung von wasserführenden Haushaltsreinigungsgeräten
KR100540749B1 (ko) * 2003-08-13 2006-01-10 엘지전자 주식회사 드럼세탁기용 증기발생장치
KR101003358B1 (ko) * 2003-12-16 2010-12-23 삼성전자주식회사 세탁기

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2325375A1 (fr) 2011-05-25

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