EP3635168B1 - Träger und waschmaschine-trockner damit - Google Patents

Träger und waschmaschine-trockner damit Download PDF

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Publication number
EP3635168B1
EP3635168B1 EP18725488.3A EP18725488A EP3635168B1 EP 3635168 B1 EP3635168 B1 EP 3635168B1 EP 18725488 A EP18725488 A EP 18725488A EP 3635168 B1 EP3635168 B1 EP 3635168B1
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EP
European Patent Office
Prior art keywords
bearer
drum
dryness
washer
dryer
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.)
Active
Application number
EP18725488.3A
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English (en)
French (fr)
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EP3635168A1 (de
Inventor
Mehmet Cahit OZDEMIR
Onur Hartoka
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.)
Arcelik AS
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Arcelik AS
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Application filed by Arcelik AS filed Critical Arcelik AS
Publication of EP3635168A1 publication Critical patent/EP3635168A1/de
Application granted granted Critical
Publication of EP3635168B1 publication Critical patent/EP3635168B1/de
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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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/04—Signal transfer or data transmission arrangements
    • D06F34/05—Signal transfer or data transmission arrangements for wireless communication between components, e.g. for remote monitoring or control
    • 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
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/08—Humidity
    • D06F2103/10—Humidity expressed as capacitance or resistance
    • 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
    • D06F2105/36—Condensing arrangements, e.g. control of water injection therefor
    • 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
    • D06F2105/38—Conditioning or finishing, e.g. control of perfume injection
    • D06F2105/40—Conditioning or finishing, e.g. control of perfume injection using water or steam
    • 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
    • D06F34/00—Details of control systems for washing machines, washer-dryers or laundry dryers
    • D06F34/14—Arrangements for detecting or measuring specific parameters
    • D06F34/18—Condition of the laundry, e.g. nature or weight
    • 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
    • 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
    • D06F58/38—Control of operational steps, e.g. for optimisation or improvement of operational steps depending on the condition of the laundry of drying, e.g. to achieve the target humidity

Definitions

  • the present invention relates to a bearer, a washer-dryer operating in communication with the bearer, and the control method of said washer-dryer.
  • JP2004057235 discloses using a humidifying device for avoiding wrinkles.
  • State of the art German patent application no. DE10260151 discloses a washer-dryer comprising a drum and an atomiser to moisten the air circulated over the fabrics in the drum of the washer-dryer while monitoring the humidity or moisture level of the fabrics.
  • State of the art German patent application no. DE4031981 discloses a washing machine comprising a drum wherein a spherical container is provided in the drum to detect the temperature and moisture level of wash items in the drum.
  • the spherical container comprises a sender to send the detected temperature and moisture level by wireless transmission to a control unit of the washing machine.
  • washer-dryers parameters such as dryness, temperature, etc. of the laundry items in a drum have to be measured precisely and accurately during drying process.
  • the duration of drying process depends on the laundry items reaching the accurate levels of dryness and temperature, and upon reaching of said levels drying process is terminated.
  • Various sensors are provided on washer-dryers, enabling measuring parameters such as conductivity, temperature, humidity, etc., and the washer-dryer is controlled by means of the data received from such sensors.
  • conductivity is measured during drying process and drying process is terminated according to this measurement.
  • Conductivity is measured by means of two electrodes stably placed at the front portion of a drum. During drying process, the conductivity value of the laundry items can be measured when the laundry items in the drum contact said electrodes.
  • Laundry items are more conductive in humid state.
  • the conductivity of the laundry items decreases as they dry and lose their humidity.
  • the conductivity of only the laundry items contacting the electrodes can be measured during drying.
  • the possibility of the electrodes contacting the laundry items significantly decreases when there is a small amount of laundry items in the drum which are not distributed homogeneously, thereby making it more difficult to determine drying. In this case, drying process is terminated by a timer. This, however, leads to drying process not being fully performed or the laundry items being thermally damaged by being over-dried.
  • EP2387643 discloses a washer-dryer having a drum rotating in horizontal axis, the washer-dryer comprising electrodes, fixed on the inlet port of the drum by way of plastic injection, enabling detecting dryness.
  • Korean Patent Application no. KR20030041428 discloses a washer-dryer comprising a dryness detection unit provided in the drum, having electrodes fixed on the wall of the drum.
  • the aim of the present invention is to realize a washer-dryer suitable for operating in interaction with a bearer, in which the wrinkle amount of laundry items is effectively decreased, and its operation method.
  • Another aim of the present invention is to realize a bearer suitable for operating in interaction with said washer-dryer.
  • the washer-dryer of independent claim 6 comprises a control unit which may control the drum to be rotated sufficiently so as to receive dryness level information from all of the laundry items by the bearer having electrodes enabling detecting dryness of the laundry items, contacting almost all of the laundry items in the drum, and in the meanwhile receiving the dryness level data collected by means of a communication unit of the bearer and controlling the operation of a water spraying device so as to enable water of an amount predetermined by the producer to be sprayed on the laundry items according to the dryness level data.
  • the spraying device is thus operated by the control unit according to the dryness level information, enabling the laundry items to be soaked with a sufficient amount of water.
  • the dryness level data determined by measuring the electric current forming between the electrodes during contacting of the electrodes with the laundry items, is transmitted to the control unit by means of the communication unit, and the dryness value of the laundry items is determined.
  • the drum In order to enable the bearer to contact most of the laundry items thereby to be able to receive the accurate dryness values, the drum is rotated in a certain number of revolutions before water spraying process. In this stage, the conductivity and therefore the dryness information of the laundry items is received by means of the electrodes, and the average humidity value is determined. Water in an amount predetermined by the producer is sprayed on the laundry items according to said dryness information.
  • the control unit receives by means of the communication unit the dryness level data of the soaked laundry items and controls whether the laundry items have reached the desired dampness value, and enables water spraying process to be repeated until reaching the desired dampness value. Drying process begins upon the laundry items reaching the desired dampness value, and the wrinkles of the laundry items is thus effectively eliminated, by being soaked ideally for the drying process.
  • the communication of the bearer of the invention with the control unit controlling the operation of the washer-dryer is provided by means of the communication unit provided in the bearer in contactless manner, and this is an optical or wireless communication.
  • the bearer is enabled to transmit information without establishing any wired or mechanical connections on the drum.
  • the energy needs of the units provided in the bearer are supplied by at least one power source, for example a battery, positioned in the bearer.
  • the parameters related to the dryness of the laundry items in the washer-dryer are collected through almost all of the laundry items, and are evaluated in the control unit.
  • dry laundry items are obtained with a minimum level of wrinkles.
  • the spraying amount required to flatten the wrinkles is performed in a correct dosage. This prevents increasing the energy consumption due to excessive spraying, and also inefficient wrinkle removal process due to insufficient spraying. Since the dryness of the laundry items is continuously measured, the duration of wrinkle removal process has a dynamic timing.
  • the washer-dryer (1) operating in communication with a bearer (3) having at least two electrodes (4) enabling detecting the dryness level of the laundry items by contacting the laundry items, and a communication unit (5) allowing transmitting the dryness level data, comprises a drum (2) rotated about a rotational axis, in which the laundry items to be dried and the bearer (3) are placed, a water spraying device (8) enabling spraying water into the drum (2) and a control unit (7) controlling the operating condition of the washer-dryer (1).
  • the washer-dryer (1) may be a laundry drying machine or a laundry washing-drying machine.
  • the washer-dryer (1) of the invention comprises a control unit (7) receiving the dryness level data detected by the electrodes (4), by communicating with the communication unit (5) while the drum (2) is rotated, determining the dryness value of the laundry items by evaluating the dryness level data, and enabling the water spraying device (8) to be operated so as to spray a predetermined amount of water on the laundry items according to the determined dryness level.
  • the control unit (7) is configured to receive the dryness level data determined by measuring the conductivity value of the laundry items by means of the electrodes (4) and sent by the communication unit (5), and the control unit (7) operates in interaction with the bearer (3) and calculates the dryness value of the laundry items according to the received dryness level data.
  • the control unit (7) enables the drum (2) to be rotated in a certain number of revolutions before water spraying process.
  • the bearer (3) is enabled to contact most of the laundry items in the drum (2), and the electrodes (4) are thus enabled to collect the accurate dryness level data.
  • the conductivity and thus the dryness level information of the laundry items is received by means of the electrodes (4).
  • the control unit (7) determines according to the dryness level information, the dryness value of the laundry items in the drum (2) based on their average humidity amount, and water in an amount predetermined by the producer according to the dryness value, is sprayed on the laundry items.
  • control unit (7) determines the dryness value by calculating the average of the dryness level data.
  • the minimum amount of water required to remove the wrinkles is thus sprayed by measuring the dryness level before water spraying process.
  • the dryness level data is instantaneously collected from all of the laundry items while the drum (2) is rotating, thereby determining the dryness level in high precision, enabling spraying on the laundry items an accurate amount of water determined according to the dryness value.
  • control unit (7) enables the water spraying process to be repeated unit the dryness value reaches a predetermined limit dryness value.
  • the drum (2) is rotated again and the dryness information of the laundry items is recollected.
  • the spraying device (8) is controlled according to the above-described method based on the dryness information provided by the control unit (7). Water spraying process is intermittently repeated until the dryness value of the laundry items reaches a limit dryness value required to remove the wrinkles, and water spraying process is terminated upon reaching the desired dryness value.
  • control unit (7) enables starting of a drying process upon determining the dryness value reaching a predetermined limit dryness value. By this, the drying process for drying the laundry items soaked with the ideal dampness, is started automatically.
  • the bearer (3) of the invention is suitable for operating in communication with the above-described washer-dryer (1), moves freely within the drum (2) while the drum (2) is being rotated, and comprises at least one pair of electrodes (4) provided thereon so as to detect the dryness levels of the laundry items in the drum (2) by contacting them, and a communication unit (5) enabling transmitting the dryness level data provided by the electrodes (4) to the control unit (7).
  • the bearer (3) on which the electrodes (4) are placed, bearing the electrodes (4), is placed by the user in the drum (2) together with the laundry items, and is able to move freely in the drum (2), independent of the drum (2).
  • the communication unit (5) enables the dryness level data detected by the electrodes (4) on the bearer (3), to be instantaneously transmitted to the control unit (7) by using a suitable communication method.
  • the communication unit (5) enables contactless communication with the control unit (7).
  • the communication unit (5) enables contactless communication with the control unit (7), optically by light.
  • the communication between the communication unit (5) and the control unit (7) is a wireless communication.
  • the bearer (3) is placed in the drum (2) by the user, together with the laundry items, and the washer-dryer (1) is turned on.
  • the electrodes (4) are thus enabled to contact all laundry items independent of the amount and the distribution of the laundry items in the drum (2), thereby enabling collecting the information of the parameters related to the dryness of the laundry items in the most precise and accurate manner.
  • the bearer (3) is an enclosed chamber and the electrodes (4) are disposed on its outer wall.
  • the bearer (3) is shaped as a sphere formed by combining two semi-spheres.
  • the bearer (3) comprises two electrodes (4) placed parallel to each other.
  • two pairs of electrodes (4) are disposed on the bearer (3).
  • Two of the electrodes (4) are disposed on the upper semi-sphere, and the other two are disposed on the lower semi-sphere.
  • the electrodes (4) are tape-shaped and have a curvature adapted to the curvature of the sphere.
  • the electrodes (4) are disposed on the same line on the outer wall of the bearer (3).
  • the communication unit (5) and the power source (6) are positioned in the bearer (3).
  • the two semi-spheres are sealingly interlocked by screw threads formed suitably for each other preferably along their edges ( Figure 3 ).
  • the energy required by the elements on the bearer (3), is provided by at least one power source (6) provided in the bearer (3).
  • the bearer (3) comprises one or more holders (9) on which the communication unit (5) and the power source (6) is fixed.
  • the holders (9) restrict the units provided in the bearer (3) from moving with respect to the bearer (3).
  • a battery is used as the power source (6).
  • the control method used in controlling the washer-dryer (1) of the invention operating in communication with the bearer (3) comprises the steps of:

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Claims (10)

  1. Ein Träger (3) in Form einer Kugel, die für den Betrieb in Verbindung mit einem Waschtrockner (1) geeignet ist, umfasst eine um eine Drehachse gedrehte Trommel (2), in der sich die zu trocknenden Wäsche befinden und der Träger (3) platziert ist, eine Wassersprühvorrichtung (8), die das Sprühen von Wasser in die Trommel (2) ermöglicht, und eine Steuereinheit (7), die den Betriebszustand des Waschtrockners (1) steuert; wobei der Träger (3) so angeordnet ist, dass er sich innerhalb der Trommel (2) frei bewegt, während die Trommel (2) gedreht wird, wobei der Träger (3) mindestens ein Elektrodenpaar (4) umfasst, das auf dem Träger (3) vorgesehen ist um den Trockenheitsgrad der Wäsche in der Trommel (2) durch Kontaktieren zu erfassen, und eine Kommunikationseinheit (5), die eine kontaktlose Kommunikation mit der Steuereinheit (7) zum Übertragen der von den Elektroden (4) bereitgestellten Trockenheitsgraddaten an die Steuereinheit (7) ermöglicht, wobei das mindestens eine Elektrodenpaar (4) bandförmig auf der Kugel angeordnet ist und eine Krümmung aufweist, die an die Krümmung der Kugel angepasst ist.
  2. Ein Träger (3), wie in Anspruch 1 aufgeführt, umfasst ein Elektrodenpaar (4), das parallel zueinander angeordnet ist.
  3. Ein Träger (3), wie in Anspruch 1 oder 2 aufgeführt, umfasst zwei Elektrodenpaare (4).
  4. Ein Träger (3), wie in Anspruch 3 aufgeführt, umfasst einen Elektrodenpaar (4), der auf einer oberen Halbkugel angeordnet ist und ein weiteres Elektrodenpaar, der auf einer unteren Halbkugel des Trägers (3) angeordnet ist.
  5. Ein Träger (3), wie in einem der vorher aufgeführten Ansprüchen, umfasst einen Kommunikationseinheit (5), die das kontaktlose Kommunikation optisch durch Licht ermöglicht.
  6. Ein Waschtrockner (1) zum Betrieb in Verbindung mit einem Träger (3) nach einem der vorhergehenden Ansprüche, wobei der Waschtrockner (1) eine um eine Drehachse gedrehte Trommel (2) umfasst, in der sich die zu trocknenden Wäsche befinden und der Träger (3) sich befindet, wobei sich der Träger (3) innerhalb der Trommel (2) frei bewegen kann, eine Wassersprühvorrichtung (8), die das Sprühen von Wasser in die Trommel (2) ermöglicht, und eine Steuereinheit (7), die den Betriebszustand des Waschtrockners steuert, wobei die Steuereinheit (7) angepasst ist an
    - die von den Elektroden (4) erfassten und empfangenen Trockenheitsdaten, indem sie kontaktlos mit der Kommunikationseinheit (5) kommunizieren, während die Trommel (2) gedreht wird;
    - den Trockenheitswert der Wäsche, die durch die Auswertung der Trockenheitsdaten ermittelt werden und
    - die Betreibung der Wassersprühvorrichtung (8), dass eine vorgegebene Menge Wasser auf die Wäschestücke gemäß dem ermittelten Trockenheitswert sprüht
  7. Ein Waschtrockner (1), wie in Anspruch 6 aufgeführt, wobei die Steuereinheit (7) so angepasst ist, dass das Trockenheitswert durch Berechnen des Durchschnitts der Trockenheitsgraddaten zu bestimmt wird.
  8. Ein Waschtrockner (1), wie in Anspruch 7 aufgeführt, wobei die Steuereinheit (7) so angepasst ist, dass der Wassersprühvorgang wiederholt werden kann, wenn der Trockenheitswert einen vorbestimmten Grenztrockenheitswert erreicht hat.
  9. Ein Waschtrockner (1), wie in Anspruch 7 oder 8 aufgeführt, wobei die Steuereinheit (7) so angepasst ist, dass ein Trocknungsprozess gestartet werden kann, wenn der Trockenheitswert bestimmt wird, der einen vorbestimmten Trockengrenzwert erreicht hat.
  10. Ein Verfahren für die Steuerung eines Waschtrockners (1), das zur Steuerung eines Waschtrockners (1) gemäß einem der Ansprüche 6 bis 9 verwendet wird, wobei das Verfahren die folgenden Schritte umfasst:
    - Drehung der Trommel (2) in einer vorbestimmten Umdrehung vor dem Wassersprühvorgang,
    - Bestimmung des Trockenheitsgrades gemäß den Trockenheitswertdaten, die mit der Hilfe der Elektroden (4) während der Drehung der Trommel (2) gesammelt werden und
    - Betreibung der Wassersprühvorrichtung (8), um Wasser auf die Wäsche in einer Menge zu sprühen, die gemäß dem Trockenheitswert vorbestimmt ist.
EP18725488.3A 2017-06-08 2018-05-16 Träger und waschmaschine-trockner damit Active EP3635168B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR201708515 2017-06-08
PCT/EP2018/062739 WO2018224267A1 (en) 2017-06-08 2018-05-16 A bearer and a washer-dryer using the same

Publications (2)

Publication Number Publication Date
EP3635168A1 EP3635168A1 (de) 2020-04-15
EP3635168B1 true EP3635168B1 (de) 2021-03-10

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EP18725488.3A Active EP3635168B1 (de) 2017-06-08 2018-05-16 Träger und waschmaschine-trockner damit

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EP (1) EP3635168B1 (de)
WO (1) WO2018224267A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110373859A (zh) * 2019-07-09 2019-10-25 合肥美的洗衣机有限公司 衣物处理装置的洗涤控制方法、装置和衣物处理装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3436342A1 (de) * 1984-10-04 1986-04-10 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt Waeschetrockner oder waschtrockner
DE4031981C2 (de) * 1990-10-09 1996-03-07 Telefunken Microelectron Meßvorrichtung für Waschmaschinen
DE19808839C1 (de) 1998-03-03 1999-07-01 Whirlpool Co Wäschetrockner mit Prozeßsteuerung und Leitwertsensor
KR20030041428A (ko) 2001-11-20 2003-05-27 (주)이젠텍 의류건조기의 건조상태검출구조
JP2004057235A (ja) 2002-07-24 2004-02-26 Matsushita Electric Ind Co Ltd 衣類乾燥機
DE10242144A1 (de) 2002-09-04 2004-03-18 E.G.O. Control Systems Gmbh & Co. Kg Wäschetrockner mit Sensoreinrichtung
DE10260151A1 (de) * 2002-12-20 2004-07-01 BSH Bosch und Siemens Hausgeräte GmbH Wäschetrockner und Verfahren zur Geruchsentfernung aus Textilien
EP2387643B1 (de) 2008-12-30 2017-01-11 Arçelik Anonim Sirketi Trockner mit trockensensor
EP2336419B1 (de) * 2009-11-18 2012-12-05 Panasonic Corporation Wäschetrockner
MX2013015344A (es) 2013-12-19 2015-06-18 Mabe Sa De Cv Sistema electronico inteligente para desvanecer las arrugas en prendas textiles y metodo para llevar a cabo dicho desvanecimiento.

Non-Patent Citations (1)

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Title
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EP3635168A1 (de) 2020-04-15
WO2018224267A1 (en) 2018-12-13

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