EP1997949B1 - A washing machine - Google Patents

A washing machine Download PDF

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Publication number
EP1997949B1
EP1997949B1 EP08104036A EP08104036A EP1997949B1 EP 1997949 B1 EP1997949 B1 EP 1997949B1 EP 08104036 A EP08104036 A EP 08104036A EP 08104036 A EP08104036 A EP 08104036A EP 1997949 B1 EP1997949 B1 EP 1997949B1
Authority
EP
European Patent Office
Prior art keywords
detergent
washing machine
tub
control unit
communication
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.)
Revoked
Application number
EP08104036A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1997949A1 (en
Inventor
Halil Turan
Evren Cirik
Mehmet Kerem Tosun
Ovunc Simsek
Can Imir
Zeynep Yaprak Mutu
Mustafa Akdal
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.)
Vestel Beyaz Esya Sanayi ve Ticaret AS
Original Assignee
Vestel Beyaz Esya Sanayi ve Ticaret 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
Family has litigation
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Application filed by Vestel Beyaz Esya Sanayi ve Ticaret AS filed Critical Vestel Beyaz Esya Sanayi ve Ticaret AS
Publication of EP1997949A1 publication Critical patent/EP1997949A1/en
Application granted granted Critical
Publication of EP1997949B1 publication Critical patent/EP1997949B1/en
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/44—Devices for adding cleaning agents; Devices for dispensing cleaning agents, rinsing aids or deodorants
    • 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
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/02—Devices for adding soap or other washing agents
    • 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 
    • D06F33/30—Control of washing machines characterised by the purpose or target of the control 
    • D06F33/32—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry
    • D06F33/37—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of metering of detergents or additives

Definitions

  • the present invention relates to a system which adjusts automatically the amount of detergent to be used during operation and stores the detergent for multiple uses in washing machines.
  • EP0379950 discloses a system by which liquid detergents are used and in which such detergents are stored. In this system, however, there is not provided any configuration in which detergents of different types are stored separately without becoming mixed.
  • Another patent application i.e. EP1215329 , discloses a storage reservoir of liquid detergents provided out of the machine, appearing not so practical with respect to use.
  • FR-A-2 606 , 430 discloses a configuration either, in which detergents of different types are stored separately without becoming mixed.
  • the required detergent (powder and/or liquid) is put to the washing machine in an amount that would suffice for longer periods of time, such that the user is freed from the burden of providing detergent during each washing program.
  • the detergent storage reservoir is maintained within the washing machine so that extra space is saved. Since this system is also applicable to widely-used washing machines with detergent drawers, it becomes possible to make use both of the aforesaid storage reservoir, and of the detergent drawer already present in such machines.
  • the system according to the present invention further provides different detergent compartments and storage reservoirs for different type of detergents (detergents for white clothing, colored clothing, softeners). Thanks to this system, the necessity of adjusting distinct types and amounts of detergents according to each washing program is eliminated for the user. Additionally, the filling operation is conducted from the upper part of the machine, ensuring an ergonomic convenience for the user.
  • the objective of the present invention is to provide the storage of different type of detergents in an amount sufficing to more than one washing program in a washing machine and to release the user of said machine from the burden of supplying detergent for each washing program.
  • Another objective of the present invention is to enable the washing machine to automatically adjust the use of detergent in accordance with the washing program or need.
  • a further objective of the present invention is to maintain the detergent storage reservoir within the washing machine so as to save space.
  • FIG. 1 illustrates an exemplary washing machine (A) (this example illustrates the present invention by means of a washing machine, but it can nevertheless be applied to other washing machines).
  • the subject washing machine (A) comprises a washing tub (4); a filling reservoir (1) used to fill-in detergent into the machine; a storage reservoir (3), wherein the detergent supplied from the filling reservoir (1) is accumulated; and a dosing unit (5) used to deliver the detergent within the storage reservoir (3) to the tub (4).
  • the machine (A) further includes a control unit (10) by which all controls are conducted and the operation functions of machine (A) are regulated. Additionally a display unit (13) in connection with said control unit (10) is employed to indicate the current status of the machine (A) (program phases, operation conditions, warnings, etc.) to the user.
  • Said filling reservoir (1) is preferably be provided at the upper panel (or at an easily-accessible location) of the washing machine (A) concerning the user's ergonomic convenience.
  • On the top of the filling reservoir (1) is provided an open-/closable cover (12).
  • Said cover (12) both protects the filling reservoir's (1) interior from foreign material and provides an aesthetical integrity on the upper panel.
  • Said filling reservoir (1) comprises a plurality of compartments allowing the individual storage of distinct detergents (e.g. detergents for white, colored, woolen clothing, softeners etc.). It can also be removed for cleaning purposes.
  • the storage reservoir (3) is similarly comprised of a plurality of compartments and any detergent put into the respective compartment of the filling reservoir (1) is accumulated within a compartment of said storage reservoir (3) that is in communication with such respective compartment.
  • the communication between said filling reservoir (1) and the storage reservoir (3) can be realized directly or by means of elements such as tubes, hoses (2), etc.
  • a level sensor (8) is provided in each compartment of the storage reservoir (3).
  • the extent to which the compartments of said storage reservoir (3) are full is measured by means of said level sensors (8).
  • the level sensors (8) are in communication with the control unit (10) of the machine (A).
  • the control unit (10) indicates the data of the amount of detergent delivered by said level sensors (8) on the display unit (13) located at the machine's (A) front panel (9) to the user in a visual and/or audible manner.
  • the maximum and minimum levels of detergent within the storage reservoir (3) compartments can also be seen from the lamps provided at the compartments of the filling reservoir (1) that are in communication with the respective compartments of the storage reservoir (3). Thanks to the warning signal of each lamp (11) provided at each compartment of the filling reservoir (1), the upper and lower detergent levels in the relevant compartment of the storage reservoir (3) are indicated.
  • the control unit (10) of the machine (A) determines the amount of detergent and the time such detergent is to be used in line with the washing program selected by the user. It accordingly controls the dosing unit (5) employed in delivering detergent into the tub (4).
  • a pump and/or valve is used as said dosing unit (5). If, for instance, the storage reservoir (3) is positioned in the lower part of the tub (4), a pump is used in the role of said dosing unit, but if said storage reservoir (3) is positioned in the upper part of the tub (4), an on-off valve is employed as said dosing unit (if necessary, a pump can be used in this case as well).
  • Each dosing unit (5) is in connection with a respective compartment of the storage reservoir (3).
  • detergents of distinct characteristics within the storage reservoir (3) are transferred into the tub (4) by means of separate units (5).
  • the communication of said units (5) with the tub (4) and the storage reservoir (3) can be realized directly or by means of elements such as tubes, hoses (6), etc.
  • the amount of detergent to be transferred by the dosing unit (5) into the tub (4) varies depending on factors such as the amount of detergent, washing program, amount of water in the tub (4), and the material to be washed (e.g. type of laundry).
  • the control unit (10) determines the type, amount, and supply-timing of detergent in line with these factors and activates the pumps and/or valves accordingly.
  • Standard detergent drawers (7) can also be used in the washing machine (A) according to the present invention.
  • this switch (15) is in communication with the control unit (10) and is illustrated on the front panel (9) in the figure]
  • the system involving the delivery of detergent from the storage reservoir (3) is deactivated and the delivery of detergent from the drawer (7) is activated.
  • the same selection switch (15) functions to activate back the supply of detergent from the storage reservoir (3), and deactivates the detergent drawer (7).
  • the color of laundry is determined and the type of detergent is selected accordingly by means of an optical sensor in communication with the control unit (10) and provided in the tub (4).
  • the weight of the laundry and water taken in is determined so that the amount of detergent to be supplied to the tub (4) is increased or decreased.
  • the weight of laundry and water taken in shall cause the tub (4) or drum to displace downward to some extent, so that a position sensor in connection with the control unit (10) can be used to measure the amount of displacement and to calculate the weight of laundry. Accordingly, the amount of detergent to be supplied into the tub (4) is increased or decreased.
  • One way of measuring the weight of laundry that is soaked with water is to measure the revolution of drum by means of a torque meter (which is in communication with the control unit (10)).
  • the drum load can be calculated according to the measured torque value so that the weight of laundry can be determined.
  • This data can also be used in increasing or decreasing the amount of detergent to be supplied into the tub (4). If the net weight of laundry is to be measured, it can also be done by means of the tub load weight sensor, position sensor, and torque meter without taking in water. Additionally, the amount of water fed into the tub can be measured by means of a flow meter positioned on the tub's inlet line and the tub load can be determined accordingly.
  • the extent to which the laundry soaks water determines the water level in the tub (4).
  • elements such as pressure sensor, presostate, level sensor, flow meter provided in the tub (4) and in communication with the control unit (10), it becomes possible to determine the type and weight of laundry, and the detergent supply into the tub (4) is adjusted correspondingly.
  • a separate cleaning program is activated for cleaning the detergent remaining between the tub (4) and dosing unit (5) so that such waste detergent is consumed and discarded from the machine (A).
  • a peristaltic pump is employed as the dosing unit (5).
  • a peristaltic pump is employed as the dosing unit (5).

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Centrifugal Separators (AREA)
EP08104036A 2007-06-01 2008-05-20 A washing machine Revoked EP1997949B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR2007/03765A TR200703765A1 (tr) 2007-06-01 2007-06-01 Bir yıkama makinası

Publications (2)

Publication Number Publication Date
EP1997949A1 EP1997949A1 (en) 2008-12-03
EP1997949B1 true EP1997949B1 (en) 2010-03-17

Family

ID=39737606

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08104036A Revoked EP1997949B1 (en) 2007-06-01 2008-05-20 A washing machine

Country Status (6)

Country Link
EP (1) EP1997949B1 (tr)
AT (1) ATE461312T1 (tr)
DE (1) DE602008000813D1 (tr)
DK (1) DK1997949T3 (tr)
ES (1) ES2340103T3 (tr)
TR (1) TR200703765A1 (tr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8438881B2 (en) 2011-04-25 2013-05-14 Whirlpool Corporation Method and apparatus for dispensing treating chemistry in a laundry treating appliance

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009027125B3 (de) * 2009-06-23 2010-12-30 BSH Bosch und Siemens Hausgeräte GmbH Wäschebehandlungsmaschine mit frontseitigen Vorratsbehältern für Behandlungsmittel
DE102009029441A1 (de) * 2009-09-14 2011-03-24 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Hausgerät mit mehreren Dosierbehältern
DE102009046546A1 (de) * 2009-11-09 2011-05-12 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Hausgerät mit einer Dosiereinrichtung und einer Steuerung
US9903064B2 (en) * 2013-02-06 2018-02-27 Electrolux Appliances Aktiebolag Laundry washing machine
CN103485133B (zh) * 2013-06-26 2016-05-25 无锡小天鹅股份有限公司 洗衣机及其洗涤剂抽斗组件
AU2013405844A1 (en) * 2013-11-20 2016-04-14 Electrolux Appliances Aktiebolag Laundry washing machine with detergent drawer comprising a control panel

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8301632U1 (de) * 1983-01-21 1984-01-05 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Wasserfuehrendes geraet zum behandeln von haushalt-gebrauchsgegenstaenden
DE3638109C2 (de) * 1986-11-07 1996-07-25 Bosch Siemens Hausgeraete Waschmaschine mit einem an einer Oberkante des Gehäuses scharnierten Gehäusedeckel
DE3901686A1 (de) 1989-01-21 1990-07-26 Miele & Cie Waschmaschine oder waschtrockner mit einer dosiereinrichtung
US6401499B1 (en) * 2000-07-31 2002-06-11 Maytag Corporation Air pump bulk dispenser
DE10062111C1 (de) 2000-12-13 2002-07-25 Miele & Cie Verfahren zum Dosieren von Waschmittel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8438881B2 (en) 2011-04-25 2013-05-14 Whirlpool Corporation Method and apparatus for dispensing treating chemistry in a laundry treating appliance

Also Published As

Publication number Publication date
ES2340103T3 (es) 2010-05-28
ATE461312T1 (de) 2010-04-15
DE602008000813D1 (de) 2010-04-29
DK1997949T3 (da) 2010-07-19
TR200703765A1 (tr) 2008-11-21
EP1997949A1 (en) 2008-12-03

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