IT1267587B1 - PERFECTED LAUNDRY WASHING MACHINE WITH AUTOMATIC WEIGHT DETERMINATION - Google Patents

PERFECTED LAUNDRY WASHING MACHINE WITH AUTOMATIC WEIGHT DETERMINATION

Info

Publication number
IT1267587B1
IT1267587B1 IT94PN000058A ITPN940058A IT1267587B1 IT 1267587 B1 IT1267587 B1 IT 1267587B1 IT 94PN000058 A IT94PN000058 A IT 94PN000058A IT PN940058 A ITPN940058 A IT PN940058A IT 1267587 B1 IT1267587 B1 IT 1267587B1
Authority
IT
Italy
Prior art keywords
speed
drum
rotation
washing machine
predetermined time
Prior art date
Application number
IT94PN000058A
Other languages
Italian (it)
Inventor
Fabio Marcuzzi
Mario Trangoni
Francesco Drius
Original Assignee
Zanussi Elettrodomestici
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 Zanussi Elettrodomestici filed Critical Zanussi Elettrodomestici
Priority to IT94PN000058A priority Critical patent/IT1267587B1/en
Publication of ITPN940058A0 publication Critical patent/ITPN940058A0/en
Priority to EP95112646A priority patent/EP0704568B1/en
Priority to DE69506981T priority patent/DE69506981T2/en
Priority to ES95112646T priority patent/ES2129162T3/en
Priority to JP25152395A priority patent/JP3737170B2/en
Publication of ITPN940058A1 publication Critical patent/ITPN940058A1/en
Application granted granted Critical
Publication of IT1267587B1 publication Critical patent/IT1267587B1/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

Landscapes

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

Abstract

Macchina lavabiancheria, dotata di una vasca di lavaggio (1), di un cesto (2), ruotante entro detta vasca di lavaggio ed atto a contenere gli articoli da lavoro (3), e di un motore elettrico 84) atto a far ruotare detto cesto a velocità differenziate, in cui all'inizio del ciclo di lavaggio il cesto viene portato a girare a velocità progressivamente più elevata fino a raggiungere una prima velocità stabilita (Vs), detta velocità stabilita viene mantenuta per un primo tempo (T1) prefissato, al termine di detto tempo prefissato viene scollegata l'alimentazione da detto motore elettrico (4), il cesto viene lasciato ruotare per inerzia per un secondo tempo prefissato (T2), e sono previsti mezzi atti a calcolare il carico di articoli da lavare sulla base di detti parametri rilevati.Durante detto primo tempo (T1) di rotazione a regime costante del cesto iene rilevata la coppia di trazione di detto motore e alla fine di detto tempo prefissato di rotazione inerziale viene rilevata la velocità istantanea di rotazione del cesto (Vr).Laundry washing machine, equipped with a washing tank (1), a basket (2), rotating inside said washing tank and adapted to contain the work items (3), and with an electric motor 84) adapted to make said rotation differentiated speed drum, in which at the beginning of the washing cycle the drum is brought to rotate at a progressively higher speed until reaching a first established speed (Vs), said established speed is maintained for a predetermined first time (T1), at the end of said predetermined time, power is disconnected from said electric motor (4), the basket is left to rotate by inertia for a second predetermined time (T2), and means are provided for calculating the load of items to be washed on the base of said detected parameters. During said first time (T1) of rotation at constant speed of the drum the traction torque of said motor is detected and at the end of said predetermined time of inertial rotation the web is detected instantaneous rotation speed of the drum (Vr).

IT94PN000058A 1994-09-28 1994-09-28 PERFECTED LAUNDRY WASHING MACHINE WITH AUTOMATIC WEIGHT DETERMINATION IT1267587B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT94PN000058A IT1267587B1 (en) 1994-09-28 1994-09-28 PERFECTED LAUNDRY WASHING MACHINE WITH AUTOMATIC WEIGHT DETERMINATION
EP95112646A EP0704568B1 (en) 1994-09-28 1995-08-11 Improvement in a washing machine with automatic determination of the weight of the wash load
DE69506981T DE69506981T2 (en) 1994-09-28 1995-08-11 Washing machine with automatic determination of the laundry weight
ES95112646T ES2129162T3 (en) 1994-09-28 1995-08-11 IMPROVEMENT IN WASHING MACHINES WITH AUTOMATIC DETERMINATION OF THE WEIGHT OF THE WASHING LOAD.
JP25152395A JP3737170B2 (en) 1994-09-28 1995-09-28 A washing machine that automatically measures the weight of laundry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT94PN000058A IT1267587B1 (en) 1994-09-28 1994-09-28 PERFECTED LAUNDRY WASHING MACHINE WITH AUTOMATIC WEIGHT DETERMINATION

Publications (3)

Publication Number Publication Date
ITPN940058A0 ITPN940058A0 (en) 1994-09-28
ITPN940058A1 ITPN940058A1 (en) 1996-03-28
IT1267587B1 true IT1267587B1 (en) 1997-02-07

Family

ID=11394950

Family Applications (1)

Application Number Title Priority Date Filing Date
IT94PN000058A IT1267587B1 (en) 1994-09-28 1994-09-28 PERFECTED LAUNDRY WASHING MACHINE WITH AUTOMATIC WEIGHT DETERMINATION

Country Status (5)

Country Link
EP (1) EP0704568B1 (en)
JP (1) JP3737170B2 (en)
DE (1) DE69506981T2 (en)
ES (1) ES2129162T3 (en)
IT (1) IT1267587B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101526388B (en) * 2008-03-03 2012-03-07 海尔集团公司 Self-weighing method for drum-type washing machine

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2181879C (en) * 1995-07-24 2002-04-23 Jonathan David Harwood Water level determination for laundry washing machine
KR100504486B1 (en) 2002-12-10 2005-08-03 엘지전자 주식회사 Method for Detecting Amount of the Washing in Washer
BR0300737A (en) * 2003-03-13 2004-11-16 Multibras Eletrodomesticos Sa Automatic washing machine load detection system and process
EP1738013B1 (en) * 2004-03-01 2012-01-11 Arçelik Anonim Sirketi A load detection method
ATE524593T1 (en) * 2006-10-31 2011-09-15 Arcelik As METHOD FOR DETERMINING THE WEIGHT OF THE LOAD IN A WASHING MACHINE AND DRYER USING THE NATURAL FREQUENCY RESPONSE OF THE LOADED DRUM
US7958584B2 (en) * 2008-02-15 2011-06-14 General Electric Company Load size measuring apparatus and method
IT1393158B1 (en) * 2008-10-08 2012-04-11 Appliances Components Companies Spa ELECTRICALLY CONTROLLED AND INTEGRATED MOTOR
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
US8914930B2 (en) 2010-04-13 2014-12-23 Whirlpool Corporation Laundry treating appliance with load amount detection
JP6437188B2 (en) * 2013-11-06 2018-12-12 三星電子株式会社Ｓａｍｓｕｎｇ Ｅｌｅｃｔｒｏｎｉｃｓ Ｃｏ．，Ｌｔｄ． Washing machine
US9988751B2 (en) 2015-07-29 2018-06-05 Whirlpool Corporation Laundry treating appliance and methods of reducing tub contact therein
US10273621B2 (en) 2015-10-01 2019-04-30 Whirlpool Corporation Laundry treating appliance and methods of operation
US9885135B2 (en) 2015-11-19 2018-02-06 Whirlpool Corporation Laundry treating appliance and methods of operation
US9863080B2 (en) 2015-11-19 2018-01-09 Whirlpool Corporation Laundry treating appliance and methods of operation
US9873968B2 (en) 2015-11-19 2018-01-23 Whirlpool Corporation Laundry treating appliance and methods of operation
US9890490B2 (en) 2015-11-19 2018-02-13 Whirlpool Corporation Laundry treating appliance and methods of operation
US9988753B2 (en) 2015-11-19 2018-06-05 Whirlpool Corporation Laundry treating appliance and methods of operation
US10041202B2 (en) 2015-11-19 2018-08-07 Whirlpool Corporation Laundry treating appliance and methods of operation
US10988883B2 (en) 2016-02-23 2021-04-27 Electrolux Appliances Aktiebolag Method for the determination of a laundry weight in a laundry treatment appliance

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2553881B1 (en) * 1983-10-25 1987-11-20 Esswein Sa METHOD FOR DETERMINING A LAUNDRY LOAD IN A ROTATING DRUM, AND WASHING AND / OR DRYING MACHINE USING THE SAME
FR2650844B1 (en) * 1989-07-28 1991-10-11 Ciapem WASHING MACHINE OR DRYER IN WHICH THE LOAD OF LAUNDRY IS DETERMINED AUTOMATICALLY
NZ248097A (en) * 1989-08-30 1996-10-28 Fisher & Paykel Measuring liquid level in laundry machine by monitoring resistance of wash bowl to rotation
US5161393A (en) 1991-06-28 1992-11-10 General Electric Company Electronic washer control including automatic load size determination, fabric blend determination and adjustable washer means
IT1256270B (en) * 1991-10-11 1995-11-29 Zanussi Elettrodomestici LINEN WEIGHT MEASUREMENT PROCEDURE FOR LINEN WASHING MACHINE.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101526388B (en) * 2008-03-03 2012-03-07 海尔集团公司 Self-weighing method for drum-type washing machine

Also Published As

Publication number Publication date
ES2129162T3 (en) 1999-06-01
EP0704568A1 (en) 1996-04-03
JPH08107990A (en) 1996-04-30
ITPN940058A1 (en) 1996-03-28
ITPN940058A0 (en) 1994-09-28
JP3737170B2 (en) 2006-01-18
DE69506981D1 (en) 1999-02-11
EP0704568B1 (en) 1998-12-30
DE69506981T2 (en) 1999-08-05

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970916