DE3436786A1 - Process for controlling the washing program of a drum-type washing machine and washing machine for carrying out the process - Google Patents

Process for controlling the washing program of a drum-type washing machine and washing machine for carrying out the process

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Publication number
DE3436786A1
DE3436786A1 DE19843436786 DE3436786A DE3436786A1 DE 3436786 A1 DE3436786 A1 DE 3436786A1 DE 19843436786 DE19843436786 DE 19843436786 DE 3436786 A DE3436786 A DE 3436786A DE 3436786 A1 DE3436786 A1 DE 3436786A1
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DE
Germany
Prior art keywords
laundry
drum
washing
washing machine
program
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
DE19843436786
Other languages
German (de)
Inventor
Peter Dipl.-Ing. Dr. 4830 Gütersloh Zinkann
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
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 Miele und Cie KG filed Critical Miele und Cie KG
Priority to DE19843436786 priority Critical patent/DE3436786A1/en
Publication of DE3436786A1 publication Critical patent/DE3436786A1/en
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
    • 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
    • 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
    • D06F2103/02—Characteristics of laundry or load
    • D06F2103/06—Type or material
    • 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
    • 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
    • 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
    • D06F33/36—Control of operational steps, e.g. optimisation or improvement of operational steps depending on the condition of the laundry of washing

Landscapes

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

Abstract

In a drum-type washing machine (1), the washing-cycle speed of the laundry drum (3) is newly determined by a microcomputer (5) in each started washing program as a function of measured values relating to the load quantity, the type of laundry and the particular predetermined program water level and is used as a basis for the further program flow. <IMAGE>

Description

Verfahren zur Waschprogrammsteuerung einerMethod for washing program control a

Trommelwaschmaschine und Waschmaschine zur Durchführung des Verfahrens Die Erfindung bezieht sich auf ein Verfahren zur Steuerung des Waschprogramms einer Trommelwaschmaschine mit einem Mikrocomputer, einer Drehzahlsteuerungseinrichtung für den Antriebsmotor und mit einer Meßeinrichtung zur Aufnahme der Beladungsmenge und der Wäscheart des Wäschepostens.Drum washing machine and washing machine for carrying out the process The invention relates to a method for controlling the washing program of a Drum washing machine with a microcomputer, a speed control device for the drive motor and with a measuring device to record the load and the laundry type of the laundry item.

Durch die Einführung der modernen Mikrocomputer-Technologie im Waschgeräte-Bereich können heute schon eine Reihe von Verbesserungen in der Programmsteuerung realisiert werden, durch die der Waschprozeß effizienter und energiesparender durchgeführt werden kann. So ist aus der DE-PS 30 02 768 ein Verfahren zur Programmsteuerung einer Waschmaschine bekannt, welches die Anzahl der Tankvorgänge in der Wasserzulaufphase des Waschprogramms erfaßt und davon abhängig die weiteren Waschprozeßkriterien wie Wasserstand, Waschmitteldosierung und dgl.Through the introduction of modern microcomputer technology in the washing machine sector can already implement a number of improvements in program control through which the washing process is carried out more efficiently and with less energy can be. For example, DE-PS 30 02 768 describes a method for program control a washing machine known which the number of refueling processes in the water supply phase of the washing program and, depending on this, the further washing process criteria such as Water level, detergent dosage and the like.

festlegt.specifies.

Auch die EP-PS 56 437 befaßt sich mit der Reduzierung des Wasser- und Waschmittelverbrauchs, indem man die Meßgrößen des Antriebsmotors wie Drehzahl und Phasenwinkel aufnimmt und diese als charakteristische Werte für die Beladungsmenge in der Mikrocomputersteuerung auswertet.EP-PS 56 437 also deals with the reduction of water and detergent consumption by taking the measured variables of the drive motor such as speed and phase angle records and these as characteristic values for the amount of charge evaluates in the microcomputer control.

Aus der DE-OS 29 17 859 ist es weiterhin bekannt, am schwingenden Laugenbehälteraggregat eine Gewichtsmessung vorzunehmen, eine Bestimmung der jeweils eingebrachten Wäscheart durchzuführen, wobei die Saugfähigkeit aus dem Verhältnis des zugelaufenen Wassers zum erreichten Niveau ermittelt wird.From DE-OS 29 17 859 it is also known to vibrate To make a weight measurement, a determination of each type of laundry brought in, the absorbency from the ratio of the incoming water is determined at the level reached.

Der Erfindung liegt die Aufgabe zugrunde, unter Ausnutzung der teilweise bekannten Meßeinrichtungen ein Verfahren zur Programmsteuerung einer Trommelwaschmaschine zu schaffen, bei der die Mikrocomputer-Steuerung zu einer weiteren Programmverbesserung hinsichtlich einer individuell angepaßten Programmbehandlung herangezogen wird. Weiterhin soll eine Waschmaschine zur Durchführung des Verfahrens angegeben werden, in der sich die erfindungsgemäßen Verfahrensschritte besonders vorteilhaft auswirken.The invention is based on the object, taking advantage of the partial known measuring devices a method for program control of a drum washing machine to create, in which the microcomputer control to a further program improvement is used with regard to an individually adapted program handling. Furthermore, a washing machine is to be specified for carrying out the method, in which the method steps according to the invention have a particularly advantageous effect.

Die Lösung dieser Aufgabe wird durch das im Hauptanspruch gekennzeichnete Verfahren und durch die im Anspruch 5 angegebene Waschmaschine erzielt. Weitere Merkmale und Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.The solution to this problem is characterized by what is defined in the main claim Method and achieved by the washing machine specified in claim 5. Further Features and configurations of the invention emerge from the subclaims.

Die sich durch das erfinduncrsgemäße Verfahren und die danach arbeitende Waschmaschine ergebenden Vorteile bestehen darin, daß für jeden eingebrachten Wäscheposten eine darauf abgestimmte Waschdrehzahl eingestellt werden kann, wodurch sich die Waschmechanik insgesamt verbessert und effektiver gestaltet. Ein weiterer wesentlicher Vorteil besteht in der Verwendbarkeit einer rippenlosen Trommel, die ebenfalls zu einer Verbesserung der Waschmechanik und insbesonderez#iner Verbesserung des Schleuderverhaltens sowie des Ablöseverhaltens der geschleuderten Wäsche beiträgt. Diese Trommel wäre auch fertigungstechnisch einfacher und preiswerter herstellbar.The process carried out by the method according to the invention and the one working according to it The advantages of the washing machine are that for each batch of laundry brought in a coordinated washing speed can be set, whereby the Washing mechanics improved overall and designed more effectively. Another essential one The advantage is that a rib-less drum can also be used an improvement in the washing mechanics and in particular an improvement in the spinning behavior as well as the detachment behavior of the spun laundry. That drum would be also easier and cheaper to manufacture in terms of manufacturing technology.

Ein Ausführungsbeispiel der Erfindung wird anhand der Zeichnung näher erläutert.An embodiment of the invention is explained in more detail with reference to the drawing explained.

Die schematisch skizzierte Trommelwaschmaschine 1 besitzt einen in bekannter Weise schwingfähig im Gehäuse aufgehängten Laugenbehälter 2 mit der darin fliegend gelagerten Wäschetrommel 3. Die Wäschetrommel 3 wird von dem Antriebsmotor 4 angetrieben.The schematically sketched drum washing machine 1 has an in In a known manner, the tub 2 with the tub 2 suspended in the housing so as to vibrate cantilevered laundry drum 3. The laundry drum 3 is driven by the drive motor 4 powered.

In Blockschaltbild-Darstellung sind die für die Erfindung wesentlichen Steuereinrichtungen der Waschmaschine dargestellt. Zentrales Steuerorgan ist auch hier der Mikrocomputer 5, Dieser bekommt von der Meßeinrichtung 6 die Daten über die Beladungsmenge und Wäscheart des eingebrachten Wäschepostens. Eine weitere Eingabestufe 7 liefert dem Mikrocomputer 5 die Information über den Wasserstand des jeweils angewählten Waschprogramms. Die von der Meßeinrichtung 6 und der Eingabestufe 7 abgegebenen Signale werden einer Vergleichsstufe 8 des Mikrocomputers 5 zugeführt, in der sie in eine bestimmte Relation gesetzt werden.In the block diagram representation, the essential for the invention are Control devices of the washing machine shown. Central control body is also here the microcomputer 5, this receives the data from the measuring device 6 the load quantity and type of laundry of the laundry item brought in. Another input level 7 provides the microcomputer 5 with the information about the water level of the selected Washing program. The output from the measuring device 6 and the input stage 7 Signals are fed to a comparison stage 8 of the microcomputer 5, in which they be placed in a certain relation.

Der vom Mikrocomputer 5 ermittelte Relationswert wird dann mit einer in einem Speicher abgelegten Wertetabelle verglichen und davon abhängig wird die Drehzahlsteuereinrichtung 9 angesteuert, um den Antriebsmotor 4 mit der für den Wäscheposten charakteristisch günstigen Drehzahl anzutreiben.The relation value determined by the microcomputer 5 is then combined with a The table of values stored in a memory is compared and the Speed control device 9 controlled to drive motor 4 with the for the To drive laundry batches of characteristically favorable speed.

Wird z.B. von der Meßeinrichtung 6 ein Wäscheposten mit überwiegend wenig saugfähiger Textilfaser (Pflegeleicht) und dadurch bedingt auch ein geringeres Beladungsgewicht festgestellt, so wird die Wäschetrommel 3 mit einer geringeren Waschgangdrehzahl beispielsweise 45 U/min angesteuert.If, for example, a batch of laundry with predominantly Less absorbent textile fiber (easy care) and therefore also a lower one Load weight determined, the laundry drum 3 is with a lower Wash cycle speed controlled for example 45 rpm.

Enthält der Wäscheposten dagegen überwiegend Frottierwaren, die besonders saugfähig sind und dadurch auch ein entsprechend höheres Beladungsgewicht verursachen, so muß die Wäschetrommel 3 mit einer höheren Drehzahl angetrieben werden, beispielsweise 55 U/min, damit eine ausreichende Waschmechanik auf die Wäsche einwirkt.On the other hand, if the batch of laundry predominantly contains terry towels, the particularly are absorbent and thus cause a correspondingly higher load weight, so the laundry drum 3 must be driven at a higher speed, for example 55 rpm, so that sufficient washing mechanics act on the laundry.

Bei der Aufnahme der Meßwerte für die Meßeinrichtung 6 können unterschiedliche Verfahren angewendet werden.When recording the measured values for the measuring device 6, different Procedures are applied.

Hierbei ist es möglich, die Beladungsmenge durch direkte Gewichtsmessung am Laugenbehälter oder seiner Verbindungselemente zum Gehäuse zu erfassen oder aber die Beladungsmenge durch Aufnahme der Motorsteuergrößen wie Motorstrom oder Phasenwinkel vom Mikrocomputer zu errechnen.Here it is possible to determine the amount of load by direct weight measurement to detect on the tub or its connecting elements to the housing or else the amount of load by recording the motor control variables such as motor current or phase angle to be calculated by the microcomputer.

Als Indikator für die jeweilige Wäscheart kann die Ermittlung der Wasserzulaufmenge bis zu einem vorgegebenen Wasserstand herangezogen werden.The determination of the Water inflow can be used up to a specified water level.

Durch die der jeweiligen Beladung anpaßbaren Waschgangdrehzahl wird es möglich, die Wäschetrommel entgegen der üblichen Ausbildung ohne Mitnehmerrippen auszuführen. Unter Umständen kann es eventuell nur notwendig sein, im Trommelmantel, in Richtung der Trommelachse verlaufende, leichte Einprägungen vorzusehen.With the wash cycle speed, which can be adjusted to the respective load, it is possible, contrary to the usual design, to use the washing drum without driver ribs to execute. Under certain circumstances, it may only be necessary in the drum shell, Provide slight indentations running in the direction of the drum axis.

Zu Beginn eines gestarteten Waschprogramms ist es zweckmäßig, die Trommel eine kurze Zeit mit einer geringen Drehzahl (z. B. 30 U/min) anzutreiben, um eine schnelle Durchfeuchtung aller Wäscheteile zu erreichen.At the beginning of a started washing program, it is advisable to select the To drive the drum for a short time at a low speed (e.g. 30 rpm), to achieve rapid moisture penetration of all items of laundry.

Claims (6)

Patentansprüche 1. Verfahren zur Steuerung des Waschprogramms einer Trommeiwaschmaschine mit einem Mikrocomputer,einer Drehzahlsteuerungseinrichtung für den Antriebsmotor und mit Meßeinrichtungen zur Aufnahme der Beladungsmenge und der Wäscheart des Wäschepostens, dadurch gekennzeichnet, daß - von einer Meßeinrichtung (6) die Beladungsmenge und ein Mittelwert über die Wäscheart des eingebrachten Wäschepostens ermittelt wird, - die Meßwerte dieser Meßeinrichtung (6) zusammen mit einem vom jeweiligen Waschprogramm vorgegebenen Wasserstand über eine Eingabestufe (7) einer Vergleichsstufe (8) zugeführt werden, die diese Programmparameter in Relation zueinander setzt, - der Relationswert der Vergleichsstufe (8) mit einer im Mikrocomputer (5) abgelegten Wertetabelle verglichen wird, - in Abhängigkeit dieses Vergleichs der Mikrocomputer (5) über die Drehzahlsteuerungseinrichtung (9) den Antriebsmotor (4) der Wäschetrommel (3) für das durchzuführende Waschprogramm mit einer neu festgelegten, beladungsspezifisch abgestimmten Waschgangdrehzahl ansteuert. Claims 1. A method for controlling the washing program of a Drum washing machine with a microcomputer, a speed control device for the drive motor and with measuring devices to record the load and the type of laundry of the laundry batch, characterized in that - by a measuring device (6) the load quantity and an average value over the type of laundry of the laundry item brought in is determined, - the measured values of this measuring device (6) together with a from respective wash program predetermined water level via an input stage (7) a Comparison stage (8) are supplied, which these program parameters in relation to one another sets, - the relation value of the comparison stage (8) with one in the microcomputer (5) stored table of values is compared, - depending on this comparison of the Microcomputer (5) via the speed control device (9) the drive motor (4) the washing drum (3) for the washing program to be carried out with a newly defined, controls the load-specific wash cycle speed. 2. Verfahren zur Steuerung des Waschprogramms nach Anspruch 1, dadurch gekennzeichnet, daß die Beladungsmenge über das Trockengewicht der Wäsche durch direkte Meßwertaufnahme am Laugenbehälter oder dessen Verbindungselemente zum Gehäuse der Maschine erfaßt wird und daß der Mittelwert über die Wäscheart aus der Wasserzulaufmenge bei einem vorgegebenen Wasserstand ermittelt wird.2. A method for controlling the washing program according to claim 1, characterized characterized in that the load on the dry weight of the laundry by Direct recording of measured values on the tub or its connecting elements to the housing the machine is detected and that the mean value over the type of laundry from the water supply is determined at a given water level. 3. Verfahren zur Steuerung des Waschprogramms nach Anspruch 1 und 2, dadurch gekennzeichnet, daß die Beladungsmenge indirekt durch Messung der Motorsteuergrößen wie Motorstrom oder Phasenwinkel errechnet wird.3. A method for controlling the washing program according to claim 1 and 2, characterized in that the load amount indirectly by measuring the engine control variables how motor current or phase angle is calculated. 4. Verfahren zur Steuerung des Waschprogramms nach Anspruch 1, dadurch gekennzeichnet, daß die Waschgangdrehzahl der Wäschetrommel in einem Bereich zwischen 25-100 U/min variierbar ist.4. A method for controlling the washing program according to claim 1, characterized characterized in that the washing cycle speed of the laundry drum is in a range between 25-100 rpm is variable. 5. Waschmaschine zur Durchführung des Verfahrens nach Anspruch 1, dadurch gekennzeichnet, daß die Wäschetrommel (3) auf ihrer Innenseite ohne Mitnehmerrippen ausgeführt ist.5. washing machine for performing the method according to claim 1, characterized in that the laundry drum (3) has no driver ribs on its inside is executed. 6. Waschmaschine nach Anspruch 5, dadurch gekennzeichnet, daß die Wäschetrommel (3) anstelle von Mitnehmerrippen nur leichte, in Richtung der Trommelachse verlaufende Einprägungen in ihrem Trommelmantel aufweist.6. Washing machine according to claim 5, characterized in that the Laundry drum (3) instead of driving ribs only lightly, in the direction of the drum axis Has running impressions in their drum shell.
DE19843436786 1984-10-06 1984-10-06 Process for controlling the washing program of a drum-type washing machine and washing machine for carrying out the process Ceased DE3436786A1 (en)

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0247995A1 (en) * 1986-05-27 1987-12-02 AUSTRIA Antriebstechnik G. Bauknecht Aktiengesellschaft Method and device to monitor the working of a washing machine
US4765159A (en) * 1986-07-17 1988-08-23 Mitsubishi Jukogyo Kabushiki Kaisha Controller for a dry cleaning apparatus
EP0284949A2 (en) * 1987-04-01 1988-10-05 Bosch-Siemens HausgerÀ¤te GmbH Washing machine with a controlled drive motor speed
FR2624528A1 (en) * 1987-12-10 1989-06-16 Licentia Gmbh PROCESS FOR REDUCING THE TIMING OF PROGRAMS, PARTICULARLY FOR DOMESTIC WASHING MACHINES
FR2655363A1 (en) * 1989-12-05 1991-06-07 Ciapem Washing machine in which the speed of rotation of the drum varies as a function of the load
EP0483906A1 (en) * 1990-10-29 1992-05-06 Whirlpool Europe B.V. Method and device for determining the type of constituent fabric of a load of clothes to be washed in a washing machine or the like
DE4202656A1 (en) * 1992-01-31 1993-08-05 Licentia Gmbh Washing machine with electronic program control - where each stored program is associated with washing parameters
DE19611089C2 (en) * 1996-03-21 2001-09-27 Aeg Hausgeraete Gmbh Washing process for a program-controlled drum washing machine
DE10217009C1 (en) * 2002-04-16 2003-10-16 Miele & Cie Washing method, for program-controlled washing machine, has rev range for each rotation cycle determined in dependence on washing load
EP1707663A1 (en) * 2005-04-01 2006-10-04 Brandt Industries Method for controlling one or several parameters of a wash process and machine for such a method
WO2009068386A1 (en) * 2007-11-28 2009-06-04 BSH Bosch und Siemens Hausgeräte GmbH Method and device for determining the optimal rotational speed of a drum of a laundry treatment device
WO2009068391A1 (en) 2007-11-27 2009-06-04 BSH Bosch und Siemens Hausgeräte GmbH Method for controlling a rinse cycle in a water-bearing household appliance
US7673358B2 (en) 2003-09-26 2010-03-09 Miele & Cie Kg. Method of controlling the revolutions of the drum of a program controlled laundry machine
US8578532B2 (en) 2009-07-22 2013-11-12 Whirlpool Corporation Laundry treating appliance with controlled mechanical energy
US9157177B2 (en) 2011-12-21 2015-10-13 Whirlpool Corporation Laundry treating appliance and method of control
EP3257996A1 (en) * 2016-06-13 2017-12-20 Electrolux Appliances Aktiebolag Method for operating a laundry treatment appliance and laundry treatment appliance
EP2594677A3 (en) * 2011-11-17 2018-01-24 LG Electronics, Inc. Washing machine with weight sensing unit
US9945060B2 (en) 2012-01-19 2018-04-17 Whirlpool Corporation Method to determine fabric type in a laundry treating appliance using motor current signature during agitation

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Cited By (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0247995A1 (en) * 1986-05-27 1987-12-02 AUSTRIA Antriebstechnik G. Bauknecht Aktiengesellschaft Method and device to monitor the working of a washing machine
US4765159A (en) * 1986-07-17 1988-08-23 Mitsubishi Jukogyo Kabushiki Kaisha Controller for a dry cleaning apparatus
EP0284949A2 (en) * 1987-04-01 1988-10-05 Bosch-Siemens HausgerÀ¤te GmbH Washing machine with a controlled drive motor speed
DE3710834A1 (en) * 1987-04-01 1988-10-20 Bosch Siemens Hausgeraete WASHING MACHINE WITH A SPEED CONTROLLED MOTOR
EP0284949A3 (en) * 1987-04-01 1988-11-17 Bosch-Siemens Hausgerate Gmbh Washing machine with a controlled drive motor speed
FR2624528A1 (en) * 1987-12-10 1989-06-16 Licentia Gmbh PROCESS FOR REDUCING THE TIMING OF PROGRAMS, PARTICULARLY FOR DOMESTIC WASHING MACHINES
FR2655363A1 (en) * 1989-12-05 1991-06-07 Ciapem Washing machine in which the speed of rotation of the drum varies as a function of the load
EP0483906A1 (en) * 1990-10-29 1992-05-06 Whirlpool Europe B.V. Method and device for determining the type of constituent fabric of a load of clothes to be washed in a washing machine or the like
DE4202656A1 (en) * 1992-01-31 1993-08-05 Licentia Gmbh Washing machine with electronic program control - where each stored program is associated with washing parameters
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