WO2008053002A3 - Method for determining weight of the load in a washer dryer using the natural frequency response of the loaded drum - Google Patents

Method for determining weight of the load in a washer dryer using the natural frequency response of the loaded drum Download PDF

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Publication number
WO2008053002A3
WO2008053002A3 PCT/EP2007/061717 EP2007061717W WO2008053002A3 WO 2008053002 A3 WO2008053002 A3 WO 2008053002A3 EP 2007061717 W EP2007061717 W EP 2007061717W WO 2008053002 A3 WO2008053002 A3 WO 2008053002A3
Authority
WO
WIPO (PCT)
Prior art keywords
load
natural frequency
frequency response
determining weight
washer dryer
Prior art date
Application number
PCT/EP2007/061717
Other languages
French (fr)
Other versions
WO2008053002A2 (en
Inventor
M Omer Akbas
Original Assignee
Arcelik As
M Omer Akbas
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, M Omer Akbas filed Critical Arcelik As
Priority to EP07822068A priority Critical patent/EP2094893B1/en
Priority to AT07822068T priority patent/ATE524593T1/en
Publication of WO2008053002A2 publication Critical patent/WO2008053002A2/en
Publication of WO2008053002A3 publication Critical patent/WO2008053002A3/en

Links

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
    • D06F2103/04—Quantity, e.g. weight or variation of 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
    • D06F2103/24—Spin speed; Drum movements
    • 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

Abstract

The present invention relates to a washer/dryer (1) wherein the amount of laundry contained therein is detected. In the said washer/dryer (1), the weight of the load (L) in the drum (4) is determined by comparing the natural frequency of the drum (4) with the values previously recorded in the control unit (6) by the producer.
PCT/EP2007/061717 2006-10-31 2007-10-31 Method for determining weight of the load in a washer dryer using the natural frequency response of the loaded drum WO2008053002A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07822068A EP2094893B1 (en) 2006-10-31 2007-10-31 Method for determining weight of the load in a washer dryer using the natural frequency response of the loaded drum
AT07822068T ATE524593T1 (en) 2006-10-31 2007-10-31 METHOD FOR DETERMINING THE WEIGHT OF THE LOAD IN A WASHING MACHINE AND DRYER USING THE NATURAL FREQUENCY RESPONSE OF THE LOADED DRUM

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TRTR2006/06046 2006-10-31
TR200606046 2006-10-31

Publications (2)

Publication Number Publication Date
WO2008053002A2 WO2008053002A2 (en) 2008-05-08
WO2008053002A3 true WO2008053002A3 (en) 2008-06-26

Family

ID=39166351

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2007/061717 WO2008053002A2 (en) 2006-10-31 2007-10-31 Method for determining weight of the load in a washer dryer using the natural frequency response of the loaded drum

Country Status (3)

Country Link
EP (1) EP2094893B1 (en)
AT (1) ATE524593T1 (en)
WO (1) WO2008053002A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8166590B2 (en) 2009-04-16 2012-05-01 Whirlpool Corporation Method and apparatus for determining laundry load size
US8631527B2 (en) 2009-08-10 2014-01-21 Whirlpool Corporation Laundry treating appliance with tumble pattern control
US8381569B2 (en) * 2009-11-17 2013-02-26 Whirlpool Corporation Method and apparatus for determining load amount in a laundry treating appliance
US9428854B2 (en) * 2010-07-30 2016-08-30 Haier Us Appliance Solutions, Inc. Method and apparatus for balancing an unbalanced load in a washing machine
KR20130025265A (en) * 2011-09-01 2013-03-11 삼성전자주식회사 Washing machine and control method thereof
US9702074B2 (en) 2013-03-15 2017-07-11 Whirlpool Corporation Methods and compositions for treating laundry items
US10266981B2 (en) 2013-03-15 2019-04-23 Whirlpool Corporation Methods and compositions for treating laundry items
US9551103B2 (en) 2013-08-13 2017-01-24 Whirlpool Corporation Method to detect the type of a load in a laundry treating appliance
KR20150054128A (en) * 2013-11-11 2015-05-20 동부대우전자 주식회사 Apparatus and method for controlling washing machine
CN106592155A (en) * 2016-10-31 2017-04-26 无锡小天鹅股份有限公司 Washing machine, fuzzy weighing correction method and correction device of washing machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0704568A1 (en) * 1994-09-28 1996-04-03 ELECTROLUX ZANUSSI ELETTRODOMESTICI S.p.A. Improvement in a washing machine with automatic determination of the weight of the wash load
EP0709512A1 (en) * 1994-10-29 1996-05-01 Miele & Cie. GmbH & Co. Method for determining the load level depending on the nature and the quantity of the laundry
GB2327502A (en) * 1997-07-14 1999-01-27 Lg Electronics Inc Determining the amount of laundry present in a drum washing machine
EP1113102A1 (en) * 1999-12-28 2001-07-04 Whirlpool Corporation Method for determining total inertia and unbalanced load in a laundry drum of a washing machine
WO2005085511A1 (en) * 2004-03-01 2005-09-15 Arcelik Anonim Sirketi A load detection method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0704568A1 (en) * 1994-09-28 1996-04-03 ELECTROLUX ZANUSSI ELETTRODOMESTICI S.p.A. Improvement in a washing machine with automatic determination of the weight of the wash load
EP0709512A1 (en) * 1994-10-29 1996-05-01 Miele & Cie. GmbH & Co. Method for determining the load level depending on the nature and the quantity of the laundry
GB2327502A (en) * 1997-07-14 1999-01-27 Lg Electronics Inc Determining the amount of laundry present in a drum washing machine
EP1113102A1 (en) * 1999-12-28 2001-07-04 Whirlpool Corporation Method for determining total inertia and unbalanced load in a laundry drum of a washing machine
WO2005085511A1 (en) * 2004-03-01 2005-09-15 Arcelik Anonim Sirketi A load detection method

Also Published As

Publication number Publication date
WO2008053002A2 (en) 2008-05-08
EP2094893A2 (en) 2009-09-02
ATE524593T1 (en) 2011-09-15
EP2094893B1 (en) 2011-09-14

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