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WO2019037992A1 - A bearer for detecting dryness and a washer/dryer operating in interaction with said bearer - Google Patents

A bearer for detecting dryness and a washer/dryer operating in interaction with said bearer Download PDF

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Publication number
WO2019037992A1
WO2019037992A1 PCT/EP2018/069872 EP2018069872W WO2019037992A1 WO 2019037992 A1 WO2019037992 A1 WO 2019037992A1 EP 2018069872 W EP2018069872 W EP 2018069872W WO 2019037992 A1 WO2019037992 A1 WO 2019037992A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearer
electrodes
fabric
laundry items
drum
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.)
Ceased
Application number
PCT/EP2018/069872
Other languages
French (fr)
Inventor
Murat Kantas
Yasin IGIT
Sinan KAYA
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
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Publication of WO2019037992A1 publication Critical patent/WO2019037992A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • D06F34/14—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
    • 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
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/44—Current or voltage
    • 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
    • D06F33/00—Control of operations performed in washing machines or washer-dryers 
    • D06F33/50—Control of washer-dryers characterised by the purpose or target of the control
    • D06F33/52—Control of the operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • 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

Definitions

  • the present invention relates to a bearer for detecting dryness, and a washer-dryer operating in interaction with said bearer.
  • washer-dryers during drying process, parameters of the laundry items in a drum such as dryness, temperature, etc. have to be measured precisely and accurately.
  • 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 it dries and loses its 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 bearer for detecting dryness, and a washer-dryer operating in interaction with said bearer.
  • the bearer is enabled to be protected against impacts, and is inhibited from generating noise when moving within the drum, and conductivity is measured in the most accurate manner.
  • the fabric is obtained by weaving a plurality of fibers of cotton, wool, or similar materials together with wires made of conductive material.
  • the fibers and the conductive wires are placed consecutively vertically and horizontally.
  • the conductive wires used in weaving the fabric act as electrodes and function as conductivity sensors. The current flowing via the laundry items contacting the conductive wires is measured, and dryness is determined by evaluating this measurement in the control unit.
  • the outer surface of the bearer is covered with a shell having damping qualities, and the fabric is fastened on said shell.
  • the shell is made of an elastic material damping impacts, for example sponge, or the like.
  • the bearer is shaped as a hollow chamber, and in the preferred embodiment, it consists of two parts, namely the upper and lower parts, and is preferably shaped as a sphere.
  • the upper and lower parts are firmly and sealingly joined to each other by the screw threads formed on their sides. By this, humidity, vapor or water is prevented from entering into the bearer in the drum with a humid environment.
  • parameters related to dryness of the laundry items in the washer-dryer is collected from almost all of the laundry items by means of the fabric woven from conductive wires, and the noise arising from the bearer colliding the drum surfaces is avoided thanks to the fabric.
  • Figure 1 is a perspective view of a washer-dryer.
  • Figure 2 is a perspective view of a bearer and the fabric covering the bearer.
  • Figure 3 is a detail view of the bearer, shell and the fabric.
  • the bearer (3) is suitable for use with a washer-dryer (1) having a drum (2) in which laundry items are placed, and comprises a plurality of electrodes (4) used for detecting dryness of the laundry items by contacting the laundry items inside the drum (2), a control unit (5) in which the dryness information detected by the electrodes (4) is evaluated, and
  • the electrodes (4) are made of conductive wires and said electrodes (4) in the form of conductive wires are used in weaving the fabric (6).
  • the bearer (3) is used to measure the dryness level of the objects it contacts in the environment in which it is placed by the user.
  • the electrodes (4), and therefore the fabric (6) made of conductive material collect data in real-time from the objects contacting the bearer in the environment in which it is placed.
  • the environment in which the bearer (3) is placed is moving, e.g. is the drum (2) of a washer-dryer (1)
  • the electrodes (4) disposed in the texture of the fabric (6) 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 electric current generated during contacting of the fabric (6) to the laundry items between the electrodes (4) disposed in the texture of the fabric (6), is transmitted to the control unit (5) and the dryness of the laundry items is evaluated.
  • the power supply (5) provided in the bearer (3) is enabled to electrically connect to an external power supply provided out of the drum (2) and to be recharged.
  • the fabric (6) is obtained by weaving a plurality of fibers (8) of cotton, wool, or similar materials together with electrodes (4) in the form of conductive wires.
  • the fibers (8) and the electrodes (4) are placed consecutively vertically and horizontally.
  • the conductive wires used in weaving the fabric (6) act as electrodes (4) and function as conductivity sensors.
  • the current flowing via the laundry items contacting the electrodes (4) in the form of conductive wires is measured, and dryness is determined by evaluating this measurement in the control unit (5) ( Figure 3).
  • the bearer (3) comprises a shell (7) placed on its outer surface, on which the fabric (6) is fastened, completely surrounding the bearer (3).
  • the shell (7) is made of elastic material, particularly with impact damping qualities, for example sponge, soft plastic and the like.
  • the fabric (6) is enabled to be easily fastened on the bearer (3), and the durability of the bearer (3) against external impacts is enhanced by damping the forces applied thereon due to its free movement in the drum (2).
  • the shell (7) enables preventing the noise arising from the free movement of the bearer (3) in the drum (2).
  • the bearer (3) is a hollow, enclosed chamber and the electrodes (4) are disposed on its outer wall.
  • the bearer (3) is shaped as a hollow sphere formed by combining two semi-spheres.
  • the fabric (6) surrounds both semi-spheres.
  • the fabric (6) has a curvature adapted to the curvature of the sphere as it surrounds the bearer (3).
  • the control unit (5) is positioned in the bearer (3).
  • the two semi-spheres are sealingly interlocked by the screw threads formed suitably for each other preferably along their edges.
  • the bearer (3) comprises a communication unit enabling contactless data transmission to the outer environment.
  • the communication unit enables contactless communication optically by light.
  • the communication unit enables wireless communication.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Woven Fabrics (AREA)

Abstract

The bearer (3) of the invention is suitable for use with a washer-dryer (1) having a drum (2) in which laundry items are placed, and comprises at least two electrodes (4) used for detecting dryness of the laundry items by contacting the laundry items inside the drum (2), and a control unit (5) in which the dryness information detected by the electrodes (4) is evaluated.

Description

A BEARER FOR DETECTING DRYNESS AND A WASHER/DRYER OPERATING IN INTERACTION WITH SAID BEARER
The present invention relates to a bearer for detecting dryness, and a washer-dryer operating in interaction with said bearer.
In washer-dryers during drying process, parameters of the laundry items in a drum such as dryness, temperature, etc. have to be measured precisely and accurately. 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.
Generally in washer-dryers, 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 it dries and loses its 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.
There are several applications for detecting the dryness of the laundry items in the state of the art. One of these applications is, as mentioned above, detecting dryness by placing at least two electrodes to a position where they will contact the laundry items during drying process, and forming a current bridge between two electrodes when the damp laundry items contacts the two electrodes, and evaluating the difference between the resistance values of the electrodes.
State of the art European Patent no. 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.
State of the art 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.
Another embodiment of the state of the art is disclosed in the international patent application no. WO2004022836. This patent application discloses a washer-dryer comprising a sensor provided on a drum, communicating with a control unit by contactless signal transmission.
Another embodiment of the state of the art is disclosed in the European Patent Application no. EP0940494. Said document also discloses a washer-dryer comprising a conductivity sensor used for detecting dryness of laundry items, and wirelessly communicating with a control unit.
The aim of the present invention is to realize a bearer for detecting dryness, and a washer-dryer operating in interaction with said bearer.
The outer surface of the bearer realized to achieve the aim of the present invention and disclosed in the first claim and the dependent claims, is partially or completely covered with a fabric woven from conductive wires acting as electrode. Thus, the bearer is enabled to be protected against impacts, and is inhibited from generating noise when moving within the drum, and conductivity is measured in the most accurate manner.
In the preferred embodiment, the fabric is obtained by weaving a plurality of fibers of cotton, wool, or similar materials together with wires made of conductive material. In the preferred embodiment, the fibers and the conductive wires are placed consecutively vertically and horizontally. The conductive wires used in weaving the fabric, act as electrodes and function as conductivity sensors. The current flowing via the laundry items contacting the conductive wires is measured, and dryness is determined by evaluating this measurement in the control unit.
In another embodiment of the invention, the outer surface of the bearer is covered with a shell having damping qualities, and the fabric is fastened on said shell. The shell is made of an elastic material damping impacts, for example sponge, or the like. By means of the shell, noise arising from collisions in the drum is effectively avoided, and the conductivity of the laundry items is detected in the most accurate manner by means of the fabric. The durability of the bearer against external impacts is also enhanced by means of the shell.
The bearer is shaped as a hollow chamber, and in the preferred embodiment, it consists of two parts, namely the upper and lower parts, and is preferably shaped as a sphere. The upper and lower parts are firmly and sealingly joined to each other by the screw threads formed on their sides. By this, humidity, vapor or water is prevented from entering into the bearer in the drum with a humid environment.
Thanks to the invention, parameters related to dryness of the laundry items in the washer-dryer is collected from almost all of the laundry items by means of the fabric woven from conductive wires, and the noise arising from the bearer colliding the drum surfaces is avoided thanks to the fabric.
The bearer and the washer-dryer adapted to operate in interaction with the bearer realized to achieve the aims of the present invention is illustrated in the accompanying drawings, wherein:
Figure 1 is a perspective view of a washer-dryer.
Figure 2 is a perspective view of a bearer and the fabric covering the bearer.
Figure 3 is a detail view of the bearer, shell and the fabric.
The elements in the figures are numbered individually and the correspondence of these numbers are given hereinafter.
  1. Washer/dryer
  2. Drum
  3. Bearer
  4. Electrode
  5. Control unit
  6. Fabric
  7. Shell
  8. Fiber
The bearer (3) is suitable for use with a washer-dryer (1) having a drum (2) in which laundry items are placed, and comprises a plurality of electrodes (4) used for detecting dryness of the laundry items by contacting the laundry items inside the drum (2), a control unit (5) in which the dryness information detected by the electrodes (4) is evaluated, and
  • a fabric (6) covering the outer surface of the bearer (3),
  • woven partially or completely with electrodes (4) (Figure 1 and Figure 2).
In an embodiment of the invention, the electrodes (4) are made of conductive wires and said electrodes (4) in the form of conductive wires are used in weaving the fabric (6).
The bearer (3) is used to measure the dryness level of the objects it contacts in the environment in which it is placed by the user. The electrodes (4), and therefore the fabric (6) made of conductive material, collect data in real-time from the objects contacting the bearer in the environment in which it is placed. In case the environment in which the bearer (3) is placed is moving, e.g. is the drum (2) of a washer-dryer (1), the bearer (3) whose outer surface is covered by the fabric (6) contacts almost all of the laundry items in the drum (2) as it can move freely, and enables receiving real-time dryness information from all the laundry items. The electrodes (4) disposed in the texture of the fabric (6) 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 electric current generated during contacting of the fabric (6) to the laundry items between the electrodes (4) disposed in the texture of the fabric (6), is transmitted to the control unit (5) and the dryness of the laundry items is evaluated. When the bearer (3) is removed out of the drum (2), the power supply (5) provided in the bearer (3) is enabled to electrically connect to an external power supply provided out of the drum (2) and to be recharged. By means of the fabric (6) woven with conductive wires, data related to the dryness of the laundry items is enabled to be collected from all surfaces contacting the laundry items independently of the position of the bearer (3). In addition, the noise arising from the free movement of the bearer (3) in the drum (2) is prevented thanks to the fabric (6).
In the preferred embodiment of the invention, the fabric (6) is obtained by weaving a plurality of fibers (8) of cotton, wool, or similar materials together with electrodes (4) in the form of conductive wires. In the preferred embodiment, the fibers (8) and the electrodes (4) are placed consecutively vertically and horizontally. The conductive wires used in weaving the fabric (6), act as electrodes (4) and function as conductivity sensors. The current flowing via the laundry items contacting the electrodes (4) in the form of conductive wires is measured, and dryness is determined by evaluating this measurement in the control unit (5) (Figure 3).
In an embodiment of the invention, the bearer (3) comprises a shell (7) placed on its outer surface, on which the fabric (6) is fastened, completely surrounding the bearer (3). The shell (7) is made of elastic material, particularly with impact damping qualities, for example sponge, soft plastic and the like. Thus, the fabric (6) is enabled to be easily fastened on the bearer (3), and the durability of the bearer (3) against external impacts is enhanced by damping the forces applied thereon due to its free movement in the drum (2). In addition, the shell (7) enables preventing the noise arising from the free movement of the bearer (3) in the drum (2).
In another embodiment of the invention, the bearer (3) is a hollow, enclosed chamber and the electrodes (4) are disposed on its outer wall. In the preferred embodiment of the invention, the bearer (3) is shaped as a hollow sphere formed by combining two semi-spheres. The fabric (6) surrounds both semi-spheres. In this embodiment, the fabric (6) has a curvature adapted to the curvature of the sphere as it surrounds the bearer (3). The control unit (5) is positioned in the bearer (3). The two semi-spheres are sealingly interlocked by the screw threads formed suitably for each other preferably along their edges.
In an embodiment of the invention, the bearer (3) comprises a communication unit enabling contactless data transmission to the outer environment. In a version of this embodiment, the communication unit enables contactless communication optically by light. In the preferred version of this embodiment, the communication unit enables wireless communication.

Claims (9)

  1. A bearer (3) suitable for use with a washer-dryer (1) having a drum (2) in which laundry items are placed, comprising a plurality of electrodes (4) used for detecting dryness of the laundry items by contacting the laundry items inside the drum (2), and a control unit (5) in which the dryness information detected by the electrodes (4) is evaluated, characterized by
    - a fabric (6) covering the outer surface of the bearer (3),
    - woven partially or completely with the electrodes (4).
  2. A bearer (3) according to claim 1, characterized by the electrode (4) made of conductive wires.
  3. A bearer (3) according to claim 1 and 2, characterized by the fabric (6) obtained by weaving fiber (8) together with electrodes (4) of the form of conductive wires.
  4. A bearer (3) according to claim 3, characterized by the fabric (6) on which the fiber (8) and the electrodes (4) are disposed consecutively horizontally and vertically.
  5. A bearer (3) according to any one of the preceding claims, characterized by a shell (7) placed on its outer surface, completely surrounding the bearer (3), on which the fabric (6) is fastened.
  6. A bearer (3) according to claim 5, characterized by the shell (7) made of material having impact damping qualities.
  7. A bearer (3) according to claim 5 and 6, characterized by the shell (7) made of elastic material.
  8. A bearer (3) according to claim 1, characterized by being a hollow, enclosed chamber on whose outer wall the electrodes (4) are disposed.
  9. A bearer (3) according to claim 8, characterized by being shaped as a hollow sphere obtained by combining two semi-spheres.
PCT/EP2018/069872 2017-08-25 2018-07-23 A bearer for detecting dryness and a washer/dryer operating in interaction with said bearer Ceased WO2019037992A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2017/12711A TR201712711A2 (en) 2017-08-25 2017-08-25
TRA2017/12711 2017-08-25

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WO2019037992A1 true WO2019037992A1 (en) 2019-02-28

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4031981A1 (en) * 1990-10-09 1992-04-16 Telefunken Electronic Gmbh MEASURING DEVICE FOR WASHING MACHINES
EP0940494A1 (en) 1998-03-03 1999-09-08 Whirlpool Corporation Tumble drier with process control and conductivity sensor
KR20030041428A (en) 2001-11-20 2003-05-27 (주)이젠텍 cloth dryer
WO2004022836A2 (en) 2002-09-04 2004-03-18 E.G.O. Control Systems Gmbh & Co. Kg Washing drying machine with a sensor device
WO2007004173A1 (en) * 2005-06-30 2007-01-11 The Procter & Gamble Company A fabric article treating device and system
US20090165327A1 (en) * 2007-12-21 2009-07-02 Jacquelyn Nekovar Method of de-wrinkling garments and device for facilitating same
EP2387643A1 (en) 2008-12-30 2011-11-23 Arçelik Anonim Sirketi A dryer comprising a dryness sensor
US20120085673A1 (en) * 2010-10-06 2012-04-12 Daniel White Device and method for softening, freshening, preventing static, and de-wrinkling clothes

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4031981A1 (en) * 1990-10-09 1992-04-16 Telefunken Electronic Gmbh MEASURING DEVICE FOR WASHING MACHINES
EP0940494A1 (en) 1998-03-03 1999-09-08 Whirlpool Corporation Tumble drier with process control and conductivity sensor
KR20030041428A (en) 2001-11-20 2003-05-27 (주)이젠텍 cloth dryer
WO2004022836A2 (en) 2002-09-04 2004-03-18 E.G.O. Control Systems Gmbh & Co. Kg Washing drying machine with a sensor device
WO2007004173A1 (en) * 2005-06-30 2007-01-11 The Procter & Gamble Company A fabric article treating device and system
US20090165327A1 (en) * 2007-12-21 2009-07-02 Jacquelyn Nekovar Method of de-wrinkling garments and device for facilitating same
EP2387643A1 (en) 2008-12-30 2011-11-23 Arçelik Anonim Sirketi A dryer comprising a dryness sensor
US20120085673A1 (en) * 2010-10-06 2012-04-12 Daniel White Device and method for softening, freshening, preventing static, and de-wrinkling clothes

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