CA950073A - Dryer control system using moisture sensor and semiconductors to control cycle - Google Patents

Dryer control system using moisture sensor and semiconductors to control cycle

Info

Publication number
CA950073A
CA950073A CA149,552A CA149552A CA950073A CA 950073 A CA950073 A CA 950073A CA 149552 A CA149552 A CA 149552A CA 950073 A CA950073 A CA 950073A
Authority
CA
Canada
Prior art keywords
semiconductors
moisture sensor
control system
dryer
control cycle
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.)
Expired
Application number
CA149,552A
Other versions
CA149552S (en
Inventor
Joseph Karklys
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 Corp
Original Assignee
Whirlpool Corp
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 Whirlpool Corp filed Critical Whirlpool Corp
Application granted granted Critical
Publication of CA950073A publication Critical patent/CA950073A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
    • F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects
    • 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
    • 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
    • D06F2103/38—Time, e.g. duration
    • 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
    • D06F2105/12—Humidity or dryness of 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
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/46—Drum speed; Actuation of motors, e.g. starting or interrupting
    • D06F2105/48—Drum speed
    • 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
    • D06F2105/52—Changing sequence of operational steps; Carrying out additional operational steps; Modifying operational steps, e.g. by extending duration of steps
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
CA149,552A 1971-11-12 1972-08-16 Dryer control system using moisture sensor and semiconductors to control cycle Expired CA950073A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19819871A 1971-11-12 1971-11-12

Publications (1)

Publication Number Publication Date
CA950073A true CA950073A (en) 1974-06-25

Family

ID=22732396

Family Applications (1)

Application Number Title Priority Date Filing Date
CA149,552A Expired CA950073A (en) 1971-11-12 1972-08-16 Dryer control system using moisture sensor and semiconductors to control cycle

Country Status (3)

Country Link
US (1) US3758959A (en)
AU (1) AU466720B2 (en)
CA (1) CA950073A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7087572B2 (en) 2002-04-10 2006-08-08 Ecolab Inc. Fabric treatment compositions and methods for treating fabric in a dryer
US7381697B2 (en) 2002-04-10 2008-06-03 Ecolab Inc. Fabric softener composition and methods for manufacturing and using
US7786069B2 (en) 2002-04-10 2010-08-31 Ecolab Inc. Multiple use solid fabric conditioning compositions and treatment in a dryer

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3864844A (en) * 1973-10-26 1975-02-11 Gen Electric Solid state dryer control
FR2437459A1 (en) * 1978-09-29 1980-04-25 Thomson Brandt Dual device for humidity detection and control in washing drum-drier - combines measurement of electrical resistance, and temperature
US4327502A (en) * 1979-07-24 1982-05-04 Tokyo Shibaura Denki Kabushiki Kaisha Control device for a drying apparatus
GB2068099B (en) * 1980-01-28 1983-07-06 Philips Electronic Associated Control device for laundry drier
US4422247A (en) * 1981-06-29 1983-12-27 Whirlpool Corporation Low voltage sensor for a dryer
DE3136145A1 (en) * 1981-09-11 1983-03-31 KK Automation Klaus Th. Krämer GmbH & Co KG, 7107 Neckarsulm Device for testing the chassis geometry of motor vehicles
US4477982A (en) * 1982-09-27 1984-10-23 The Maytag Company Microcontroller-based dryer control
US5737852A (en) * 1996-08-05 1998-04-14 White Consolidated Industries, Inc. Dryness control for clothes dryer
DE19811021A1 (en) * 1998-03-13 1999-09-16 Bosch Siemens Hausgeraete Method for determining the moisture content of textile goods in a clothes dryer
DE19945520A1 (en) * 1999-09-23 2001-03-29 Diehl Ako Stiftung Gmbh & Co Electronic circuit for determining the degree of drying of laundry in a tumble dryer
US20060218816A1 (en) * 2005-04-04 2006-10-05 Maytag Corporation Dryer heat modulation with solid state motor switch
ATE412796T1 (en) * 2006-01-24 2008-11-15 Whirlpool Co METHOD AND DEVICE FOR DETECTING THE MALFUNCTION OF THE DRUM DRIVE SYSTEM OF A CLOTHES DRYER
EP2847530A1 (en) * 2012-05-10 2015-03-18 Norgren Automation Solutions, LLC. Method and apparatus for automatically drying wet floors
CN103962287B (en) * 2013-01-31 2016-08-03 天源环保有限公司 Energy-conservation bridge type heater
US12448726B2 (en) 2021-02-01 2025-10-21 Electrolux Consumer Products, Inc. Laundry dryer control system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3331139A (en) * 1965-04-02 1967-07-18 Texas Instruments Inc Dryer control
US3402478A (en) * 1966-06-20 1968-09-24 Westinghouse Electric Corp Dryer control
US3460267A (en) * 1967-04-20 1969-08-12 Ranco Inc Dryer control
US3521376A (en) * 1967-09-22 1970-07-21 Controls Co Of America Moisture sensing circuit for actuating a dryer timer motor
US3621293A (en) * 1970-03-09 1971-11-16 Gen Electric Electronic dryer control
US3660909A (en) * 1970-12-18 1972-05-09 Controls Co Of America Dryer control

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7087572B2 (en) 2002-04-10 2006-08-08 Ecolab Inc. Fabric treatment compositions and methods for treating fabric in a dryer
US7381697B2 (en) 2002-04-10 2008-06-03 Ecolab Inc. Fabric softener composition and methods for manufacturing and using
US7456145B2 (en) 2002-04-10 2008-11-25 Ecolab Inc. Fabric treatment compositions comprising ester quats and fatty amides and methods for treating fabric in a dryer
US7786069B2 (en) 2002-04-10 2010-08-31 Ecolab Inc. Multiple use solid fabric conditioning compositions and treatment in a dryer

Also Published As

Publication number Publication date
AU4709872A (en) 1974-04-04
US3758959A (en) 1973-09-18
AU466720B2 (en) 1975-11-06

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Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 19910625