EP2389469B1 - Verfahren zur parfümierung der wäsche in der wäschebehandlungsmaschine - Google Patents

Verfahren zur parfümierung der wäsche in der wäschebehandlungsmaschine Download PDF

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Publication number
EP2389469B1
EP2389469B1 EP09799163.2A EP09799163A EP2389469B1 EP 2389469 B1 EP2389469 B1 EP 2389469B1 EP 09799163 A EP09799163 A EP 09799163A EP 2389469 B1 EP2389469 B1 EP 2389469B1
Authority
EP
European Patent Office
Prior art keywords
laundry
drum
temperature
machine
steam
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
EP09799163.2A
Other languages
English (en)
French (fr)
Other versions
EP2389469A2 (de
Inventor
Mariangiola Dottori
Giovanni Bombardieri
Giuseppina Pia Potena
Mariano Funari
Egle Armonaviciute
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.)
Whirlpool EMEA SpA
Original Assignee
Indesit Co 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 Indesit Co SpA filed Critical Indesit Co SpA
Priority to EP11186088A priority Critical patent/EP2410086A1/de
Priority to PL09799163T priority patent/PL2389469T3/pl
Publication of EP2389469A2 publication Critical patent/EP2389469A2/de
Application granted granted Critical
Publication of EP2389469B1 publication Critical patent/EP2389469B1/de
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
    • D06F58/32—Control of operations performed in domestic laundry dryers 
    • D06F58/34—Control of operations performed in domestic laundry dryers  characterised by the purpose or target of the control
    • D06F58/36—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F58/44—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of conditioning or finishing, e.g. for smoothing or removing creases
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/28—Air properties
    • D06F2103/32—Temperature
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/28—Electric heating
    • 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 
    • D06F58/203—Laundry conditioning arrangements

Definitions

  • the present invention relates to a method for scenting laundry in a laundry treating machine according to the preamble of claim 1.
  • Laundry treating machines are, in general, washing machines, washing/drying machines or clothes dryers.
  • scenting will mean giving the laundry a certain scent or fragrance.
  • the presence of the bag in which both the laundry and the dispenser are placed is apparently due to the necessity of not dispersing the scent agent into the air circulating within the machine, thus allowing it to be fixed more easily onto the clothes, which remain in closer contact with the dispenser: in support of this thesis, in fact, according to a preferred solution the bag is impermeable, so that the scent agent is delivered onto the clothes by the air.
  • This method is time-consuming, since it requires the user to remove the laundry and place it into the bag, add the dispenser, close the bag and load it into the clothes dryer, which must include an operating program that blows air at low temperature.
  • this method is not feasible when the machine in use, unlike a clothes dryer or a washing/drying machine, lacks a drying function: for example, a simple washing machine cannot blow air onto the laundry, and cannot therefore be used for implementing such a method.
  • the present invention aims at providing a method for scenting clothes in a laundry treating machine which overcomes the above-mentioned drawbacks.
  • the present invention is based on the idea of providing a method for "scenting laundry placed inside a rotary drum of a laundry treating machine which comprises the step of delivering the scent agent onto the laundry by means of steam.
  • This object is achieved by putting into the machine drum, together with the laundry and without using any bag, a scent agent dispenser that releases scent agent to scent the clothes.
  • Another advantage is given by the fact that the method can be implemented on both washing and washing/drying machines, provided that they are capable of generating steam to be delivered onto the laundry.
  • the "refresh” cycle also relaxes the fabric fibres and makes them become softer to the touch.
  • dry laundry refers to laundry having a humidity content approximately equal to that of the environment, i.e. not imbibed with water.
  • the laundry is not imbibed with water, since it is only subjected to the action of steam, and is then removed only slightly damp from the washing or washing/drying machine.
  • a washing or washing/drying machine of the type capable of generating steam can also be used for scenting the laundry.
  • the method of the present invention requires that laundry 20 be placed dry into rotary drum 11 of a washing or washing/drying machine 10, as shown in Figs. 4 and 5 .
  • a scent agent dispenser 1 is also placed into drum 11, which dispenser can move freely in drum 11 together with laundry 20.
  • Figs. 1, 2 and 3 show dispenser 1, which in the example provided comprises an outer casing that defines a cavity that houses an absorbing element 4 adapted to be imbibed with a liquid scent agent.
  • the casing consists of two half-shells 2 and 3 which can be coupled to each other through a threaded connection, i.e. male thread 30 visible on half-shell 3 engages into a matching female thread present (but not shown) on opposite half-shell 2.
  • the coupling between the two half-shell 2 and 3 may alternatively be obtained through interference fit, snap-on or click engagement, or suitable geometric profiles which are per se known and will not therefore be described any further.
  • Absorbing element 4 is imbibed with a scent agent such as a liquid scented fragrance, e.g. an alcohol-based or non-alcoholic human perfume.
  • a scent agent such as a liquid scented fragrance, e.g. an alcohol-based or non-alcoholic human perfume.
  • Dispenser 1 placed inside the drum is subjected, together with laundry 20, to a stirring action caused by the rotation of drum 11.
  • a steam generator which may be provided in different ways: for example, Fig. 4 schematically shows a washing machine 10 wherein steam is produced by heating a resistor 16 arranged in tub 12 that houses drum 11, which resistor is usually used for heating the wash liquid during the wash steps, as described for example in patent application EP 1 275 767 by V-ZUG.
  • Fig. 5 shows a different solution, wherein the steam generator is a boiler 16' housed outside tub 12 and in communication with the latter.
  • FIG. 6 A detailed example of a laundry scenting cycle according to the present invention is shown in Fig. 6 : the axis of abscissas indicates the time expressed in minutes [min], while the axis of ordinates indicates the temperature expressed in Celsius degrees [°C]; the function shown corresponds to the temperature detected by a temperature sensor located in the proximity of the tub, typically a temperature probe comprising a negative temperature coefficient (NTC) thermistor, which measures the temperature of the water around the resistor.
  • NTC negative temperature coefficient
  • the temperature probe may, for example, be secured to the resistor support.
  • the cycle example provided has a total duration of 20 minutes and is supposed to be carried out by a machine 10 like the one described with reference to Fig. 4 , the specifications of which should be taken into account.
  • the cycle starts with water being supplied into the tub for about 2 minutes, until it exceeds the resistor level while still remaining below the drum, so as not to wet laundry 20 previously loaded by the user together with dispenser 1; during this step, the temperature detected is approximately 15 °C.
  • At minute two electric resistor 16 is activated for about one minute, so that the detected temperature increases to a value of about 40 °C.
  • the electric resistor is then turned off for two minutes, which causes the temperature drop indicated in Fig. 6 between minutes three and five.
  • the temperature probe takes a reading of the temperature value. If this value is equal to or greater than a first threshold value (said threshold value being predetermined and set to about 45 °C, for example), that will be an indication that resistor 16 is at least partially emerged.
  • the method provides for supplying a predetermined quantity of water into the tub (by opening for a corresponding preset time the solenoid valve that connects the machine 10, 10' to the water mains), as necessary to submerge electric resistor 16 again without however wetting drum 11.
  • the electric resistor is turned on again for a minute, i.e. until minute six, when the detected temperature should be about 50 °C.
  • the resistor is then turned on again for one minute, until the temperature increases to about 60 °C at minute nine.
  • the resistor is then turned off again for two minutes, until minute eleven, in order to verify the operating parameters of the machine as described above for the previous deactivations (in this case, the comparison is made between the measured temperature value and a third threshold value, said third threshold value being predetermined and set to about 65 °C; again, if said third threshold value is reached or exceeded by the measured temperature value, a predetermined quantity of water will be supplied into the tub).
  • the resistor is turned on again for two minutes, so that the water temperature increases to about 86 °C, at which point the quantity of steam produced will be sufficient for the treatment.
  • the treatment will then go on for about seven minutes, during which the resistor will be turned on and off several times in order to keep the temperature in the range of approximately 80 °C to 90 °C, in particular 84 °C to 86 °C.
  • the graph shows a total time of about twenty minutes; if the machine is not fully loaded, however, the total time may be shorter than that, e.g. 16-17 minutes.
  • the final temperature of about 84 °C - 86 °C may also be achieved, for example, through a different number of steps of successive resistor activations and deactivations, e.g. one, two, three, four, five or more steps as necessary, without however departing from the teachings and scope of the present invention.
  • dispenser 1 is preferably made of materials which allow it to be used at high temperatures and in a very damp environment, such as the drum of machine 10, 10' when steam is produced
  • a particularly advantageous dispenser 1, for example, is made of polypropylene loaded with calcium carbonate in a percentage in weight between 30% and 50%, preferably of 40%.
  • the absorbing element is concerned 4, it is preferably made of foam polyurethane or sponge, which offer the advantageous characteristics of leaving the fragrance of the scent agent unchanged and of withstanding the temperatures and action of steam during the above-described cycle.
  • dispenser 1 is shown in the drawings as some sort of sphere, it may likewise have different geometrical shapes, e.g. star, triangle, polyhedron or whatever, provided that it has an inner cavity for accommodating absorbing element 4 imbibed with the selected scent agent.
  • the scent agent may even be a normal human alcohol-based perfume, in which case the effects of its application by means of steam would be even stronger: the evaporation temperature of an akohol-based perfume is normally lower than that of water, and therefore it is absolutely certain that the perfume will evaporate completely when delivered by means of steam, thus being fixed evenly and deeply to the laundry.
  • machine 10, 10' is used for scenting clothes by both a man and a woman
  • a kit comprising a machine 10, 10' and two different dispensers recognisable by their colour or shape, so that each user can avoid using the other user's dispenser in order not to scent the man's clothing with a typically female perfume and vice versa.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (4)

  1. Verfahren zum Parfümieren von Wäsche (20), die im Innern einer Trommel (11) einer Maschine (10, 10') zum Behandeln von Wäsche (20) untergebracht ist, wobei die Maschine einen Bottich (12) umfasst, der die Trommel (11) beherbergt, und wobei die Wäsche (20) der Wirkung eines Duftmittels ausgesetzt wird, wobei das Duftmittel auf die Wäsche mittels Dampf (15) abgegeben wird, wobei die Wäsche (20) in die Trommel (11) der Maschine (10, 10') hinein platziert wird, wenn ihr Grad von Feuchtigkeit ungefähr derselbe ist, wie derjenige der Umgebung, zusammen mit einem Duftmittelspender (1),
    dadurch gekennzeichnet, dass
    der Duftmittelspender (1) frei ist, sich in der Trommel (11) zusammen mit der Wäsche (20) zu bewegen, wobei das Verfahren die Schritte aufweist:
    - Erzeugen von Dampf (15) durch Beibehalten einer Temperatur zwischen 80° C und 90° C, bevorzugt zwischen 84° C und 86° C, in dem Bottich (12), für eine Zeit zwischen fünf und zehn Minuten, bevorzugt für ungefähr sieben Minuten, und
    - Halten der Trommel (11) in Drehung bei einer Geschwindigkeit, die niedriger ist als die Geschwindigkeit, bei der die Wäsche (20) an den Wänden der Trommel (11) durch den Effekt der Zentrifugalkraft anhaftet.
  2. Verfahren nach Anspruch 1, wobei die Trommel (11) drehend gehalten wird bei einer Geschwindigkeit zwischen 40 und 70 Umdrehungen pro Minute, bevorzugt 55 Umdrehungen pro Minute.
  3. Verfahren nach Anspruch 2, wobei die Drehgeschwindigkeit der Trommel (11) von ungefähr 55 Umdrehungen pro Minute über den Parfümierungszyklus konstant gehalten wird, ohne dass die Richtung der Drehung der Trommel (11) umgekehrt wird.
  4. Verfahren nach einem oder mehreren der vorangegangenen Ansprüche, wobei die Temperatur von ungefähr 86° C durch Wiederholen der folgenden Schritte erreicht wird:
    - Aktivieren des elektrischen Widerstands (16) für ungefähr eine Minute,
    - Ausschalten des elektrischen Widerstands (16) für ungefähr zwei Minuten,
    - Prüfen der Temperatur in dem Bottich (12), während der Widerstand (16) ausgeschaltet ist, um einen Temperaturabfall zu verifizieren, wobei die Schritte ausgeführt werden, während die Trommel (11) sich bei
    einer Geschwindigkeit von ungefähr 55 Umdrehungen pro Minute dreht.
EP09799163.2A 2008-12-23 2009-12-16 Verfahren zur parfümierung der wäsche in der wäschebehandlungsmaschine Not-in-force EP2389469B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP11186088A EP2410086A1 (de) 2008-12-23 2009-12-16 Duftmittelspender zum Parfümieren von Wäsche in einer Wäschebehandlungsmaschine
PL09799163T PL2389469T3 (pl) 2008-12-23 2009-12-16 Sposób perfumowania prania w urządzeniu do traktowania prania

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITTO2008A000975A IT1394620B1 (it) 2008-12-23 2008-12-23 Metodo per profumare panni in una macchina per il trattamento di panni
PCT/IB2009/055782 WO2010073188A2 (en) 2008-12-23 2009-12-16 Method for scenting laundry in a laundry treating machine

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP11186088A Division-Into EP2410086A1 (de) 2008-12-23 2009-12-16 Duftmittelspender zum Parfümieren von Wäsche in einer Wäschebehandlungsmaschine
EP11186088.8 Division-Into 2011-10-21

Publications (2)

Publication Number Publication Date
EP2389469A2 EP2389469A2 (de) 2011-11-30
EP2389469B1 true EP2389469B1 (de) 2014-05-07

Family

ID=41180932

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09799163.2A Not-in-force EP2389469B1 (de) 2008-12-23 2009-12-16 Verfahren zur parfümierung der wäsche in der wäschebehandlungsmaschine
EP11186088A Withdrawn EP2410086A1 (de) 2008-12-23 2009-12-16 Duftmittelspender zum Parfümieren von Wäsche in einer Wäschebehandlungsmaschine

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP11186088A Withdrawn EP2410086A1 (de) 2008-12-23 2009-12-16 Duftmittelspender zum Parfümieren von Wäsche in einer Wäschebehandlungsmaschine

Country Status (6)

Country Link
EP (2) EP2389469B1 (de)
ES (1) ES2483492T3 (de)
IT (1) IT1394620B1 (de)
PL (1) PL2389469T3 (de)
RU (1) RU2534066C2 (de)
WO (1) WO2010073188A2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8839647B2 (en) 2011-10-26 2014-09-23 General Electric Company Vertical axis washing machine having steam features
WO2013093148A1 (es) * 2011-12-19 2013-06-27 Sallo Kyra, S.L. Dispositivo dosificador de detergente para máquinas lavavajillas
ES2378971B1 (es) * 2011-12-19 2012-11-13 Sallo Kyra, S.L. Dispositivo dosificador de detergente para máquinas lavavajillas.
GB2514137A (en) * 2013-05-14 2014-11-19 Dominic Trotman-Dickenson Clothes drier fragrance dispenser and clothes freshening kit
EP3147403A1 (de) 2015-09-28 2017-03-29 Whirlpool EMEA S.p.A Haushaltwäschetrockner
CN113355848A (zh) * 2020-03-03 2021-09-07 青岛海尔滚筒洗衣机有限公司 一种洗衣机的衣物处理方法及其洗衣机
DE102021121897A1 (de) 2021-08-24 2023-03-02 Miele & Cie. Kg Textilbehandlungsgerät zum Einbringen von zumindest einem Hilfsstoff, Verfahren zum Betreiben eines Textilbehandlungsgerätes

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US5176275A (en) * 1989-03-27 1993-01-05 Bowie Stuart S Temperature release containers
US5056341A (en) * 1989-06-08 1991-10-15 Sanyo Electric Co., Ltd. Washing machine
CA2224693A1 (en) 1995-06-22 1997-01-09 Reckitt & Colman Inc. Spot pretreatment compositions for home dry cleaning
IT1311224B1 (it) * 1999-06-01 2002-03-04 Electrolux Zanussi Elettrodome Macchina lavastoviglie,preferibilmente per uso domestico,avente una migliorata architettura
CH695383A5 (de) 2001-07-10 2006-04-28 V Zug Ag Wäschetrockner oder Waschautomat mit Bedampfungsvorrichtung.
AU2003239131B2 (en) * 2002-04-10 2009-03-26 Ecolab Inc. Product dispenser and carrier
DE10237066A1 (de) * 2002-08-09 2004-02-26 Henkel Kgaa Duftabgabesystem
US7528102B2 (en) * 2002-08-09 2009-05-05 Henkel Kgaa Fragrance release system
US20040241195A1 (en) * 2003-05-29 2004-12-02 The Procter & Gamble Company Volatile material-containing compositions
KR20050112232A (ko) * 2004-05-25 2005-11-30 삼성전자주식회사 탈취수단을 구비한 세탁기 및 그 제어방법
US7452855B2 (en) * 2005-04-14 2008-11-18 Ecolab Inc. Fragrance dispenser for a dryer and a method for dispensing fragrance onto fabric in a dryer
EP2290149B1 (de) * 2006-11-15 2019-04-03 Electrolux Home Products Corporation N.V. Düse und Versorgungssystem eines Zusatzmittlels für eine Vorrichtung zum Behandeln von Textilien
ES2324843T3 (es) * 2007-02-15 2009-08-17 Electrolux Home Products Corporation N.V. Maquina secadora de ropa con disposicion mejorada de inyeccion de vapor.

Also Published As

Publication number Publication date
RU2534066C2 (ru) 2014-11-27
RU2011130850A (ru) 2013-01-27
EP2389469A2 (de) 2011-11-30
ES2483492T3 (es) 2014-08-06
EP2410086A1 (de) 2012-01-25
IT1394620B1 (it) 2012-07-05
ITTO20080975A1 (it) 2010-06-24
PL2389469T3 (pl) 2014-10-31
WO2010073188A3 (en) 2010-09-02
WO2010073188A2 (en) 2010-07-01

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