EP2088231A1 - Method for treating clothes in a washing machine and washing machine - Google Patents

Method for treating clothes in a washing machine and washing machine Download PDF

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Publication number
EP2088231A1
EP2088231A1 EP09001862A EP09001862A EP2088231A1 EP 2088231 A1 EP2088231 A1 EP 2088231A1 EP 09001862 A EP09001862 A EP 09001862A EP 09001862 A EP09001862 A EP 09001862A EP 2088231 A1 EP2088231 A1 EP 2088231A1
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EP
European Patent Office
Prior art keywords
drum
laundry
cycle
rotated
treating laundry
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Granted
Application number
EP09001862A
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German (de)
French (fr)
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EP2088231B1 (en
Inventor
Marion Fechler
Volker Karweg
Dirk Sieding
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Miele und Cie KG
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Miele und Cie KG
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Priority to PL09001862T priority Critical patent/PL2088231T3/en
Publication of EP2088231A1 publication Critical patent/EP2088231A1/en
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    • 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
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • 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
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 

Definitions

  • the invention relates to a method for treating laundry in a washing machine with a tub in which a substantially horizontally rotatable drum is mounted and a heater, the method comprising a cycle for smoothing the laundry, in which the drum is rotated.
  • the invention further relates to a washing machine or a washer-dryer with a housing and arranged therein, swingably attached tub in which a drum driven by a motor is rotatably mounted, and arranged in the tub heater and a control device, with which the motor and the heater for carrying out the above-mentioned method according to one of the controllable.
  • the invention is based on the object to provide an improved method for Entknitt für laundry in a drum washing machine and a washing machine for performing the method.
  • the main advantage of the method according to the invention is that in a simple manner a Entquitt für laundry is provided, with additional design measures in the washing machine are not necessary.
  • the drum wall is heated and the drum is rotated at a low speed, in which the laundry is raised only so that it slides along the drum shell.
  • this cycle is in the tub or in the drum no or only a small amount of washing liquid, so that no moisture penetration of the laundry takes place.
  • the still wet laundry slides along the hot and / or substantially dry drum shell or the drum slides along with her drum casing under the laundry, whereby the laundry is smoothed similar to ironing with an iron.
  • the existing in the laundry moisture evaporates at least partially on the hot drum shell, whereby the laundry is additionally dried.
  • the resulting steam in turn improves the loosening of the laundry, so that existing wrinkles are reduced.
  • the rotational speed of the drum prefferably in the range of 15 to 25 rpm.
  • the desired sliding effect is reliably achieved in a drum for a conventional household washing machine, with a take away of the laundry is avoided until it is detached from the drum shell.
  • the laundry is carried along only from the 6 o'clock position to the 9 o'clock or 3 o'clock position starting from the 9 o'clock or 3 o'clock position to the 6 o'clock position on the drum shell along slides.
  • the partial revolution corresponds to approximately 1 ⁇ 4 to 1 ⁇ 2 of a complete revolution. This ensures that the laundry is not taken so far that a laundry event takes place.
  • drum shell is heated to a temperature of about 50 to 70 ° C. This achieves an ironing effect as when ironing with an iron with a damp cloth or a steam iron.
  • the cycle comprises several phases, wherein in a sliding phase, the drum for every 2 to 6 part revolutions at low speed and in a subsequent Um istungsphase is rotated at a higher speed, which causes a rearrangement of the laundry within the drum.
  • the higher rotational speed is in the range of 40 to 60 rpm, so that a reliable redeployment of the laundry takes place within the drum.
  • the sliding phase takes about 30 to 60 seconds and the switching phases about 5 to 10 seconds, wherein the cycle for smoothing the laundry more than two sliding phases, each with subsequent Um istphasen includes.
  • the cycle comprises 6 to 10 sliding phases, each with subsequent switching phases. This ensures that all items of laundry come into contact with the hot drum shell several times.
  • a cool down phase follows, in which the heater is turned off and the drum is reversibly rotated at the higher speed for about 60 to 120 seconds. Thus, the laundry is loosened while it is cooled, whereby creases in the laundry are again reduced or removed.
  • the invention further relates to a washing machine having a housing and arranged therein, swingably attached tub in which a motor-driven drum is rotatably mounted, a water inlet valve, a drain device and a control device, with the motor, the water inlet valve and the drain device for performing of the above method or the listed embodiments are controllable.
  • Fig. 1 is a purely schematic representation of a washing machine 1, shown with a tub 2.
  • the position and direction information refer to the operational installation position of the washing machine 1.
  • a rotatably mounted and driven by an electric motor 13 drum 3 is arranged, which moves the laundry items located in the tub 2 8.
  • the drum 3 is made in the present embodiment of stainless steel and having a plurality of openings provided for the flooding.
  • the housing 4 has a loading opening 9, via which the interior of the drum 3 can be reached through the sealing sleeve 6.
  • the loading opening 9 can be closed by means of a door 5.
  • a radiator 7 is arranged, which can heat the washing liquid in the tub.
  • an inlet valve 15 is sketched, which controls the entry of the water from the supply network.
  • the water is passed through the connecting pipe 14 in the tub 2, wherein in the dispenser 11 entered detergent is flushed into the tub 2.
  • a drain device 12 is arranged, which brings out the spent washing liquid or the rinse water from the tub 2 to the drain line 16, which usually opens into a sewer.
  • the control device 17 controls the water inlet 15, the activity of the drain device 12, the drive motor 13, which is energized via the power unit or a frequency converter 18, and the radiator. 7
  • a complete sequence of a washing program WP is shown in a diagram.
  • the duration of the individual program sections within the wash program WP in minutes is shown here by way of example on the time axis t.
  • the program sequence WP shown here comprises a washing section W, an intermediate spin Z, a rinsing section Sp and a spin section Sc, in which the laundry is dehydrated.
  • the water inlet 15 and the outlet 16 is controlled accordingly.
  • the radiator 7 is controlled accordingly to heat the washing liquid to the predetermined temperature.
  • a section or cycle for smoothing GL follows the laundry 7, which takes about 10 minutes in this example. About 30 minutes are scheduled for the washing section, the intermediate spin lasts about 10 minutes, the rinse section takes about 20 minutes, and the spin cycle Sc for dewatering takes about 10 minutes.
  • Fig. 3a the program section or the cycle GL for smoothing the laundry is shown in an enlarged time axis.
  • the laundry is reversely moved at a speed of about 50 rpm, whereby the laundry items 8 are redeployed or detached from the drum jacket 3a after the spin section due to the laundry caused thereby.
  • minute 1 the smoothing of the laundry 8, wherein the drum 3 is reversely rotated at a low speed of about 20 u / min. Due to the low speed of the laundry items 8 are raised only so far on the drum shell 3a with, that still no laundry event takes place.
  • This is the first phase GP, in which the laundry 8 slides along the drum shell 3a.
  • the drum is for about 20 sec.
  • FIGS. 4 to 6 illustrated in a sketched, frontal view of the drum.
  • Fig. 4 shows the starting time at which the laundry items 8 in the lower region, here in the so-called 6 o'clock position, abut the drum shell 3a.
  • Fig. 5 the drum 3 is rotated to the right by a partial revolution TUR, here from the 6 o'clock position to the 9 o'clock position, whereby the items of laundry 8 are raised only a fraction HR of the path covered by the drum shell 3a with its partial revolution TUR. It can be clearly seen that the drum shell 3a slides below the laundry 8 along.
  • Fig. 4 shows the starting time at which the laundry items 8 in the lower region, here in the so-called 6 o'clock position, abut the drum shell 3a.
  • a partial revolution TUR here from the 6 o'clock position to the 9 o'clock position
  • the drum 3 is rotated to the left by a partial revolution, here from the 6 o'clock position to the 3 o'clock position, whereby the laundry items 8 are raised only by a fraction HL of the path traveled by the drum casing 3a with its partial revolution TUL. Also in this left turn of the drum shell slides with its surface along the laundry 8. According to Fig. 7 is shown that the laundry after lifting around the path HL can again slide down the drum shell 3a along, as outlined by the arrow FA.
  • Fig. 8 outlining the situation when redeploying the laundry within the drum 3.
  • the drum 3 is rotated by one or more revolutions at a higher speed, which causes entrainment MR of the laundry 8 in the 10 o'clock position. Thereafter, it comes to detachment from the drum shell 3a and thus to the laundry case WF.
  • Fig. 9 sketched then lies the laundry 8 in a changed position in the lower region or in about the 6 o'clock position on the drum shell 3a.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

The method involves heating a drum wall of a drum (3) of a drum washing machine (1) i.e. front loading washing machine, to a temperature of approximately 50 to 80 degrees centigrade in a cycle of ironing of laundry (8). The drum is rotated at a speed for advancing the laundry so that the laundry is slide at the drum wall. The drum is rotated with less speed for 2 to 6 parts of revolution in an ironing phase of the cycle, where the cycle has total time in range of 6 to 12 minutes. A cooling phase is taken place after a shifting phase of the cycle.

Description

Die Erfindung betrifft ein Verfahren zum Behandeln von Wäsche in einer Waschmaschine mit einem Laugenbehälter, in dem eine im Wesentlichen horizontal drehbare Trommel gelagert ist und einer Heizeinrichtung, wobei das Verfahren einen Zyklus zum Glätten der Wäsche umfasst, in dem die Trommel gedreht wird.The invention relates to a method for treating laundry in a washing machine with a tub in which a substantially horizontally rotatable drum is mounted and a heater, the method comprising a cycle for smoothing the laundry, in which the drum is rotated.

Die Erfindung betrifft ferner eine Waschmaschine oder einen Waschtrockner mit einem Gehäuse und einem darin angeordneten, schwingbeweglich befestigten Laugenbehälter, in dem eine mit einem Motor antreibbare Trommel drehbar gelagert ist, und einer im Laugenbehälter angeordneten Heizeinrichtung und einer Steuereinrichtung, mit welcher der Motor und die Heizeinrichtung zur Durchführung des oben genannten Verfahrens nach einem der steuerbar ist.The invention further relates to a washing machine or a washer-dryer with a housing and arranged therein, swingably attached tub in which a drum driven by a motor is rotatably mounted, and arranged in the tub heater and a control device, with which the motor and the heater for carrying out the above-mentioned method according to one of the controllable.

Beim Waschen von Wäsche in einer Trommelwaschmaschine wird die Wäsche für ca. 40 bis 120 Minuten in der Trommel bewegt, wodurch die Waschmechanik bewirkt wird. Hierbei befindet sich Wasser im Laugenbehälter bzw. in der Trommel, wobei durch die Bewegung der Wäsche der Schmutz ausgespült wird. Durch die Bewegung wird die Wäsche zerknittert, wobei beim Endschleudern die Verknitterung verstärkt wird, wenn die Wäschestücke durch die Zentrifugalkraft an den Trommelmantel gepresst werden. Um die Verknitterung zu vermindern bzw. die Wäsche wieder zu glätten ist es aus der EP 1 657 345 A2 bekannt, Dampf in die Trommel einzuspritzen, während die Trommel gedreht wird. Hierbei kann es nachteilig wirken, dass die noch feuchte Wäsche wenig Dampf aufnimmt und damit kaum eine Wirkung zur Entknitterung erzielt wird. Ferner ist ein zusätzliches Mittel zur Dampferzeugung nötig, die den technischen Aufwand und die Kosten für die Waschmaschine erhöht.When washing laundry in a drum washing machine, the laundry is moved in the drum for about 40 to 120 minutes, thereby effecting the washing mechanism. In this case, there is water in the tub or in the drum, wherein the dirt is flushed out by the movement of the laundry. As a result of the movement, the laundry is crumpled up, whereby the final tumbling increases the creasing when the laundry items are pressed against the drum shell by the centrifugal force. To reduce the creasing or to smooth the laundry it is from the EP 1 657 345 A2 It is known to inject steam into the drum while the drum is being rotated. It may have a disadvantage that the still wet laundry absorbs little steam and thus hardly any effect is achieved for Entquitterung. Furthermore, an additional means for generating steam is necessary, which increases the technical complexity and the cost of the washing machine.

Aus der EP 1 275 767 A1 ist es bekannt, den Dampf mit dem Heizkörper für die Waschflüssigkeit im Laugenbehälter zu erzeugen. Aus der EP 1 555 338 A2 ist es bekannt, die Trommel oberhalb der Anlegedrehzahl zu drehen, während der Dampf in die Trommel eingespritzt wird. Hierbei kann es vorkommen, dass bereits vorhandene Knitter durch die Anlage am Trommelmantel verstärkt werden. Auch eine Wirkung zur Entknitterung ist nicht sehr stark, da die feuchte Wäsche keinen bzw. nur geringfügig Dampf aufnehmen kann.From the EP 1 275 767 A1 It is known to generate the steam with the radiator for the washing liquid in the tub. From the EP 1 555 338 A2 It is known to rotate the drum above the application speed while injecting the steam into the drum. It may happen that existing wrinkles are reinforced by the system on the drum shell. Also, an anti-wrinkling effect is not very strong, since the wet laundry can absorb no or only slightly steam.

Der Erfindung liegt die Aufgabe zu Grunde, ein verbessertes Verfahren zur Entknitterung von Wäsche in einer Trommelwaschmaschine und eine Waschmaschine zur Durchführung des Verfahrens bereitzustellen.The invention is based on the object to provide an improved method for Entknitterung laundry in a drum washing machine and a washing machine for performing the method.

Die Aufgabe wird durch ein Verfahren mit den Merkmalen des Anspruchs 1 und durch eine Waschmaschine mit den Merkmalen des Anspruchs 11 gelöst. Vorteilhafte Ausführungen ergeben sich aus den abhängigen Ansprüchen 2 bis 10.The object is achieved by a method having the features of claim 1 and by a washing machine having the features of claim 11. Advantageous embodiments emerge from the dependent claims 2 to 10.

Der wesentliche Vorteil des erfindungsgemäßen Verfahrens ist, dass auf einfache Weise eine Entknitterung von Wäschestücken bereitgestellt wird, wobei zusätzliche konstruktive Maßnahmen in der Waschmaschine nicht notwendig sind. Beim erfindungsgemäßen Verfahren ist vorgesehen, dass in dem Zyklus zum Glätten der Wäsche die Trommelwand erhitzt wird und die Trommel mit einer geringen Drehzahl gedreht wird, bei der die Wäsche nur so weit angehoben wird, dass sie am Trommelmantel entlang gleitet. In diesem Zyklus befindet sich im Laugenbehälter bzw. in der Trommel keine bzw. nur eine geringe Menge Waschflüssigkeit, so dass keine Durchfeuchtung der Wäschestücke stattfindet. Damit gleitet die noch feuchte Wäsche am heißen und/oder im wesentlichen trockenen Trommelmantel entlang bzw. die Trommel gleitet mit ihrem Trommelmantel unter der Wäsche entlang, wodurch die Wäsche ähnlich wie beim Bügeln mit einem Bügeleisen, geglättet wird. Die in der Wäsche vorhandene Feuchtigkeit verdunstet dabei zumindest teilweise am heißen Trommelmantel, wodurch die Wäsche zusätzlich getrocknet wird. Der dabei entstehende Dampf wiederum verbessert das Auflockern der Wäsche, so dass bereits vorhandene Knitter vermindert werden.The main advantage of the method according to the invention is that in a simple manner a Entquitterung of laundry is provided, with additional design measures in the washing machine are not necessary. In the method according to the invention it is provided that in the cycle for smoothing the laundry, the drum wall is heated and the drum is rotated at a low speed, in which the laundry is raised only so that it slides along the drum shell. In this cycle is in the tub or in the drum no or only a small amount of washing liquid, so that no moisture penetration of the laundry takes place. Thus, the still wet laundry slides along the hot and / or substantially dry drum shell or the drum slides along with her drum casing under the laundry, whereby the laundry is smoothed similar to ironing with an iron. The existing in the laundry moisture evaporates at least partially on the hot drum shell, whereby the laundry is additionally dried. The resulting steam in turn improves the loosening of the laundry, so that existing wrinkles are reduced.

Hierbei ist es zweckmäßig, dass die Drehzahl der Trommel im Bereich von 15 bis 25 u/min liegt. Damit wird bei einer Trommel für eine herkömmliche Haushaltswaschmaschine zuverlässig der gewünschte Gleiteffekt erreicht, wobei ein Mitnehmen der Wäsche bis zum Ablösen vom Trommelmantel vermieden wird. Bei Drehzahlen im genannten Bereich wird die Wäsche nur von der 6-Uhr Position maximal bis in die 9-Uhr oder 3-Uhr Position mitgerissen, wobei sie von der 9-Uhr oder 3-Uhr Position ausgehend in die 6-Uhr Position am Trommelmantel entlang gleitet.It is expedient here for the rotational speed of the drum to be in the range of 15 to 25 rpm. Thus, the desired sliding effect is reliably achieved in a drum for a conventional household washing machine, with a take away of the laundry is avoided until it is detached from the drum shell. At speeds within the stated range, the laundry is carried along only from the 6 o'clock position to the 9 o'clock or 3 o'clock position starting from the 9 o'clock or 3 o'clock position to the 6 o'clock position on the drum shell along slides.

In einer vorteilhaften Weiterbildung entspricht die Teilumdrehung etwa ¼ bis ½ einer ganzen Umdrehung. Somit wird sichergestellt, dass die Wäsche nicht so weit mitgenommen wird, dass ein Wäschefall stattfindet.In an advantageous development, the partial revolution corresponds to approximately ¼ to ½ of a complete revolution. This ensures that the laundry is not taken so far that a laundry event takes place.

Hierbei ist es vorteilhaft, dass der Trommelmantel auf eine Temperatur von etwa 50 bis 70° C erhitzt wird. Damit wird ein Bügeleffekt wie beim Bügeln mit einem Bügeleisen mit feuchtem Tuch oder einem Dampfbügeleisen erreicht.It is advantageous that the drum shell is heated to a temperature of about 50 to 70 ° C. This achieves an ironing effect as when ironing with an iron with a damp cloth or a steam iron.

Um sicher zu stellen, dass möglichst alle Wäschestücke am Trommelmantel entlang gleiten, umfasst der Zyklus mehrere Phasen, wobei in einer Gleitphase die Trommel für jeweils 2 bis 6 Teilumdrehungen mit der geringen Drehzahl und in einer anschließenden Umschichtungsphase mit einer höheren Drehzahl gedreht wird, die ein Umschichten der Wäsche innerhalb der Trommel bewirkt.To make sure that as many as possible pieces of laundry slide along the drum shell, the cycle comprises several phases, wherein in a sliding phase, the drum for every 2 to 6 part revolutions at low speed and in a subsequent Umschichtungsphase is rotated at a higher speed, which causes a rearrangement of the laundry within the drum.

In einer zweckmäßigen Weiterbildung liegt die höhere Drehzahl im Bereich von 40 bis 60 u/min, so dass ein zuverlässiges Umschichten der Wäsche innerhalb der Trommel stattfindet.In an expedient development, the higher rotational speed is in the range of 40 to 60 rpm, so that a reliable redeployment of the laundry takes place within the drum.

In einer vorteilhaften Weiterbildung dauern die Gleitphase etwa 30 bis 60 Sekunden und die Umschichtungsphasen etwa 5 bis 10 Sekunden, wobei der Zyklus zum Glätten der Wäsche mehr als zwei Gleitphasen mit jeweils anschließenden Umschichtphasen umfasst.In an advantageous development, the sliding phase takes about 30 to 60 seconds and the switching phases about 5 to 10 seconds, wherein the cycle for smoothing the laundry more than two sliding phases, each with subsequent Umschichtphasen includes.

Es ist ferner zweckmäßig, dass der Zyklus 6 bis 10 Gleitphasen mit jeweils anschließenden Umschichtungsphasen umfasst. Damit wird sichergestellt, dass alle Wäschestücke mehrmals mit dem heißen Trommelmantel in Kontakt treten. Nach der letzten Umschichtungsphase folgt eine Abkühlphase, bei der die Heizeinrichtung abgeschaltet ist und die Trommel reversierend mit der höheren Drehzahl für etwa 60 bis 120 Sekunden gedreht wird. Somit wird die Wäsche aufgelockert, während sie abgekühlt wird, wodurch Knitter in der Wäsche nochmals vermindert bzw. entfernt werden.It is also expedient that the cycle comprises 6 to 10 sliding phases, each with subsequent switching phases. This ensures that all items of laundry come into contact with the hot drum shell several times. After the last shift phase, a cool down phase follows, in which the heater is turned off and the drum is reversibly rotated at the higher speed for about 60 to 120 seconds. Thus, the laundry is loosened while it is cooled, whereby creases in the laundry are again reduced or removed.

Die Erfindung betrifft ferner eine Waschmaschine mit einem Gehäuse und einem darin angeordneten, schwingbeweglich befestigten Laugenbehälter in dem eine mit einem Motor antreibbare Trommel drehbar gelagert ist, einem Wasserzulaufventil, einer Ablaufeinrichtung und einer Steuereinrichtung, mit der der Motor, das Wasserzulaufventil und die Ablaufeinrichtung zur Durchführung des oben Verfahrens oder der aufgeführten Ausführungen steuerbar sind.The invention further relates to a washing machine having a housing and arranged therein, swingably attached tub in which a motor-driven drum is rotatably mounted, a water inlet valve, a drain device and a control device, with the motor, the water inlet valve and the drain device for performing of the above method or the listed embodiments are controllable.

Ein Ausführungsbeispiel der Erfindung ist in den Zeichnungen rein schematisch dargestellt und wird nachfolgend näher beschrieben. Es zeigen

Fig. 1:
eine Waschmaschine in einer skizzierten Schnittdarstellung,
Fig. 2:
ein Waschprogramm als Diagramm im zeitlichen Ablauf,
Fig. 3a, 3b:
der Zyklus zum Glätten GL als Diagramm im zeitlichen Ablauf und
Fig. 4 bis 9:
die Trommelbewegungen bzw. Positionen in schematischer Darstellung.
An embodiment of the invention is shown purely schematically in the drawings and will be described in more detail below. Show it
Fig. 1:
a washing machine in a sketched sectional view,
Fig. 2:
a washing program as a diagram in chronological order,
3a, 3b:
the cycle for smoothing GL as a diagram in chronological order and
4 to 9:
the drum movements or positions in a schematic representation.

In Fig. 1 ist in rein schematischer Darstellung eine Waschmaschine 1, mit einem Laugenbehälter 2 dargestellt. Die Positions- und Richtungsangaben beziehen sich auf die betriebsgemäße Aufstellposition der Waschmaschine 1. Innerhalb des Laugenbehälters 2 ist eine drehbar gelagerte und über einen elektrischen Motor 13 angetriebene Trommel 3 angeordnet, die die im Laugenbehälter 2 befindlichen Wäschestücke 8 bewegt. Die Trommel 3 ist im vorliegenden Ausführungsbeispiel aus Edelstahl hergestellt und mit einer Vielzahl an Öffnungen für die Durchflutung versehen. Das Gehäuse 4 hat eine Beladungsöffnung 9, über die das Innere der Trommel 3 durch die Dichtungsmanschette 6 hindurch erreichbar ist. Die Beladungsöffnung 9 ist mittels einer Tür 5 verschließbar. Im unteren Bereich des Laugenbehälters 2 ist ein Heizkörper 7 angeordnet, der die Waschflüssigkeit im Laugenbehälter erhitzen kann. Im oberen Bereich der Maschine 1 ist ein Einlassventil 15 skizziert, welches das Einlaufen des Wassers aus dem Versorgungsnetz steuert. Über den Einspülkasten 11 wird das Wasser über das Verbindungsrohr 14 in den Laugenbehälter 2 geleitet, wobei im Einspülkasten 11 eingegebenes Waschmittel mit in den Laugenbehälter 2 gespült wird. Unterhalb des Laugenbehälters 2 ist eine Ablaufeinrichtung 12 angeordnet, die die verbrauchte Waschflüssigkeit oder das Spülwasser aus dem Laugenbehälter 2 zur Ablaufleitung 16 herausführt, die in der Regel in einen Abwasserkanal mündet. Die Steuereinrichtung 17 steuert den Wassereinlauf 15, die Aktivität der Ablaufeinrichtung 12 den Antriebsmotor 13, der über das Leistungsteil oder einen Frequenzumrichter 18 bestromt wird, und den Heizkörper 7.In Fig. 1 is a purely schematic representation of a washing machine 1, shown with a tub 2. The position and direction information refer to the operational installation position of the washing machine 1. Within the tub 2 a rotatably mounted and driven by an electric motor 13 drum 3 is arranged, which moves the laundry items located in the tub 2 8. The drum 3 is made in the present embodiment of stainless steel and having a plurality of openings provided for the flooding. The housing 4 has a loading opening 9, via which the interior of the drum 3 can be reached through the sealing sleeve 6. The loading opening 9 can be closed by means of a door 5. In the lower region of the tub 2, a radiator 7 is arranged, which can heat the washing liquid in the tub. In the upper part of the machine 1, an inlet valve 15 is sketched, which controls the entry of the water from the supply network. About the Einspülkasten 11, the water is passed through the connecting pipe 14 in the tub 2, wherein in the dispenser 11 entered detergent is flushed into the tub 2. Below the tub 2 a drain device 12 is arranged, which brings out the spent washing liquid or the rinse water from the tub 2 to the drain line 16, which usually opens into a sewer. The control device 17 controls the water inlet 15, the activity of the drain device 12, the drive motor 13, which is energized via the power unit or a frequency converter 18, and the radiator. 7

In Fig. 2 ist beispielhaft ein kompletter Ablauf eines Waschprogramms WP in einem Diagramm dargestellt. Auf der Zeitachse t ist hierbei beispielhaft die Dauer der einzelnen Programmabschnitte innerhalb des Waschprogramms WP in Minuten aufgezeigt. Der hier dargestellte Programmablauf WP umfasst einen Waschabschnitt W, ein Zwischenschleudern Z, einen Spülabschnitt Sp und einen Schleuderabschnitt Sc, bei dem die Wäsche entwässert wird. In diesen Programmabschnitten wird der Wasserzulauf 15 und der Ablauf 16 entsprechend gesteuert. Auch der Heizkörper 7 wird entsprechend gesteuert, um die Waschflüssigkeit auf die vorgegebene Temperatur zu erwärmen. Nach dem Schleuderabschnitt Sc folgt ein Abschnitt oder Zyklus zum Glätten GL der Wäsche 7, der in diesem Beispiel etwa 10 Minuten dauert. Für den Waschabschnitt sind etwa 30 Minuten angesetzt, das Zwischenschleudern dauert etwa 10 Minuten, der Spülabschnitt etwa 20 Minuten und das Schleudern Sc zum Entwässern etwa 10 Minuten.In Fig. 2 By way of example, a complete sequence of a washing program WP is shown in a diagram. The duration of the individual program sections within the wash program WP in minutes is shown here by way of example on the time axis t. The program sequence WP shown here comprises a washing section W, an intermediate spin Z, a rinsing section Sp and a spin section Sc, in which the laundry is dehydrated. In these program sections, the water inlet 15 and the outlet 16 is controlled accordingly. Also, the radiator 7 is controlled accordingly to heat the washing liquid to the predetermined temperature. After the spin section Sc, a section or cycle for smoothing GL follows the laundry 7, which takes about 10 minutes in this example. About 30 minutes are scheduled for the washing section, the intermediate spin lasts about 10 minutes, the rinse section takes about 20 minutes, and the spin cycle Sc for dewatering takes about 10 minutes.

In Fig. 3a ist der Programmabschnitt bzw. der Zyklus zum Glätten GL der Wäsche in einer vergrößerten Zeitachse dargestellt. Zu Beginn bis zum Zeitpunkt 1 Minute wird die Wäsche mit einer Drehzahl von etwa 50 u/min reversierend bewegt, wobei durch den dadurch verursachten Wäschefall die Wäschestücke 8 umgeschichtet bzw. vom Trommelmantel 3a nach dem Schleuderabschnitt abgelöst werden. Danach ab Minute 1 erfolgt das Glätten der Wäsche 8, wobei die Trommel 3 mit einer geringen Drehzahl von etwa 20 u/min reversierend gedreht wird. Durch die geringe Drehzahl werden die Wäschestücke 8 nur so weit am Trommelmantel 3a mit angehoben, dass noch kein Wäschefall stattfindet. Dies ist die erste Phase GP, bei der die Wäsche 8 am Trommelmantel 3a entlang gleitet. Nach ca. 1 Minute wird die Trommel für etwa 20 sek. reversierend mit einer höheren Drehzahl, hier 50 u/min, gedreht, so dass es zu einem Wäschefall kommt und dadurch die Wäsche 8 umgeschichtet wird (UM). Diese beiden Phasen wiederholen sich mehrmals, in diesem Beispiel 7 mal, wobei, wie in Fig. 3b dargestellt, der Heizkörper 7 aktiviert wird, dass der Trommelmantel 3a während dieser Zeit eine Temperatur von etwa 70°C aufweist. Nach etwa 8 min wird der Heizkörper 7 ausgeschaltet, wobei, wie in Fig. 3a zu erkennen ist, die Trommel mit der höheren Drehzahl, hier etwa 50 u/min, gedreht wird, wodurch die Wäsche 8 während der Abkühlphase AK aufgelockert wird.In Fig. 3a the program section or the cycle GL for smoothing the laundry is shown in an enlarged time axis. At the beginning up to the time of 1 minute, the laundry is reversely moved at a speed of about 50 rpm, whereby the laundry items 8 are redeployed or detached from the drum jacket 3a after the spin section due to the laundry caused thereby. Thereafter, from minute 1, the smoothing of the laundry 8, wherein the drum 3 is reversely rotated at a low speed of about 20 u / min. Due to the low speed of the laundry items 8 are raised only so far on the drum shell 3a with, that still no laundry event takes place. This is the first phase GP, in which the laundry 8 slides along the drum shell 3a. After about 1 minute, the drum is for about 20 sec. reversing at a higher speed, here 50 rpm, rotated so that it comes to a laundry case and thereby the laundry 8 is rearranged (UM). These two phases are repeated several times, in this example 7 times, where, as in Fig. 3b shown, the heater 7 is activated, that the drum shell 3a during this time has a temperature of about 70 ° C. After about 8 minutes, the radiator 7 is turned off, with, as in Fig. 3a it can be seen, the drum is rotated at the higher speed, here about 50 u / min, whereby the laundry 8 is loosened during the cooling phase AK.

Die Phase GP, bei dem die Wäsche 8 am Trommelmantel 3a entlang gleitet, ist in den Figuren 4 bis 6 in einer skizzierten, stirnseitigen Ansicht der Trommel verdeutlicht. Fig. 4 zeigt den Ausgangszeitpunkt, bei dem die Wäschestücke 8 im unteren Bereich, hier in der sogenannten 6-Uhr Position, am Trommelmantel 3a anliegen. Gemäß Fig. 5 wird die Trommel 3 um eine Teilumdrehung TUR, hier von der 6-Uhr Position bis zur 9-Uhr Position nach rechts gedreht, wobei die Wäschestücke 8 nur um einen Bruchteil HR des Weges angehoben werden, den der Trommelmantel 3a mit seiner Teilumdrehung TUR zurücklegt. Hierbei ist deutlich zu erkennen, dass der Trommelmantel 3a unterhalb der Wäsche 8 entlang gleitet. Gemäß Fig. 6 wird die Trommel 3 um eine Teilumdrehung, hier von der 6-Uhr Position bis zur 3-Uhr Position nach links gedreht, wobei die Wäschestücke 8 nur um einen Bruchteil HL des Weges angehoben werden, den der Trommelmantel 3a mit seiner Teilumdrehung TUL zurücklegt. Auch bei dieser Linksdrehung gleitet der Trommelmantel mit seiner Oberfläche an der Wäsche 8 entlang. Gemäß Fig. 7 ist dargestellt, dass die Wäsche nach dem Anheben um den Weg HL wieder am Trommelmantel 3a entlang nach unten gleiten kann, wie mit dem Pfeil FA skizziert.The phase GP, in which the laundry 8 slides along the drum shell 3a, is in the FIGS. 4 to 6 illustrated in a sketched, frontal view of the drum. Fig. 4 shows the starting time at which the laundry items 8 in the lower region, here in the so-called 6 o'clock position, abut the drum shell 3a. According to Fig. 5 the drum 3 is rotated to the right by a partial revolution TUR, here from the 6 o'clock position to the 9 o'clock position, whereby the items of laundry 8 are raised only a fraction HR of the path covered by the drum shell 3a with its partial revolution TUR. It can be clearly seen that the drum shell 3a slides below the laundry 8 along. According to Fig. 6 the drum 3 is rotated to the left by a partial revolution, here from the 6 o'clock position to the 3 o'clock position, whereby the laundry items 8 are raised only by a fraction HL of the path traveled by the drum casing 3a with its partial revolution TUL. Also in this left turn of the drum shell slides with its surface along the laundry 8. According to Fig. 7 is shown that the laundry after lifting around the path HL can again slide down the drum shell 3a along, as outlined by the arrow FA.

In Fig. 8 die die Situation beim Umschichten der Wäsche innerhalb der Trommel 3 skizziert. Die Trommel 3 wird um eine oder mehrere Umdrehungen mit einer höheren Drehzahl gedreht, die ein Mitreißen MR der Wäsche 8 in die 10-Uhr- Position bewirkt. Danach kommt es zum Ablösen vom Trommelmantel 3a und somit zum Wäschefall WF. Wie in Fig. 9 skizziert, liegt danach die Wäsche 8 in einer geänderten Lage im unteren Bereich bzw. in etwa der 6-Uhr Position auf dem Trommelmantel 3a.In Fig. 8 outlining the situation when redeploying the laundry within the drum 3. The drum 3 is rotated by one or more revolutions at a higher speed, which causes entrainment MR of the laundry 8 in the 10 o'clock position. Thereafter, it comes to detachment from the drum shell 3a and thus to the laundry case WF. As in Fig. 9 sketched, then lies the laundry 8 in a changed position in the lower region or in about the 6 o'clock position on the drum shell 3a.

Claims (11)

Verfahren zum Behandeln von Wäsche in einer Waschmaschine (1) mit einem Laugenbehälter (2), in dem eine im Wesentlichen horizontal drehbare Trommel (3) gelagert ist, und einer Heizeinrichtung (7), wobei das Verfahren einen Zyklus (GL) zum Glätten der Wäsche (8) umfasst, bei dem die Trommel (3) gedreht wird,
dadurch gekennzeichnet,
dass in diesem Zyklus (GL) die Trommelwand (3a) erhitzt wird und dass die Trommel (3) mit einer Drehzahl gedreht wird, bei der die Wäsche (8) nur so weit angehoben wird, dass sie am Trommelmantel (3a) entlang gleitet.A method for treating laundry in a washing machine (1) with a tub (2) in which a substantially horizontally rotatable drum (3) is mounted, and a heater (7), the method having a cycle (GL) for smoothing the Laundry (8), in which the drum (3) is rotated,
characterized,
that in this cycle (GL) the drum wall (3a) is heated and that the drum (3) is rotated at a speed at which the laundry (8) is lifted only so far that it slides along the drum shell (3a). Verfahren zum Behandeln von Wäsche nach Anspruch 1,
dadurch gekennzeichnet,
dass die Drehzahl im Bereich von 15 bis 25 u/min liegt.Process for treating laundry according to claim 1,
characterized,
that the speed is in the range of 15 to 25 rpm. Verfahren zum Behandeln von Wäsche nach Anspruch 1,
dadurch gekennzeichnet,
dass die Trommel (3) reversierend, jeweils für eine Teilumdrehung (TUR, TUL) gedreht wird.Process for treating laundry according to claim 1,
characterized,
that the drum (3) reversing, each for a part revolution (TUR, TUL) is rotated. Verfahren zum Behandeln von Wäsche nach Anspruch 3,
dadurch gekennzeichnet,
dass die Teilumdrehungen (TUR, TUL) jeweils etwa ¼ bis ½ einer ganzen Umdrehung entsprechen.A method of treating laundry according to claim 3,
characterized,
that the partial revolutions (TUR, TUL) each correspond to approximately ¼ to ½ of a complete revolution. Verfahren zum Behandeln von Wäsche nach Anspruch 1,
dadurch gekennzeichnet,
dass der Trommelmantel (3a) auf eine Temperatur von etwa 50 bis 80° C erhitzt wird.Process for treating laundry according to claim 1,
characterized,
that the drum shell (3a) is heated to a temperature of about 50 to 80 ° C. Verfahren zum Behandeln von Wäsche nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet,
dass der Zyklus (GL) mehrere Phasen umfasst, wobei in einer Gleitphase (GP) die Trommel (3) für jeweils 2 bis 6 Teilumdrehungen mit der geringen Drehzahl und in einer anschließenden Umschichtungsphase (UM) mit einer höheren Drehzahl gedreht wird, die ein Umschichten der Wäsche (8) innerhalb der Trommel (3) bewirkt.Process for treating laundry according to one of Claims 1 to 5,
characterized,
that the cycle (GL) comprises a plurality of stages, wherein in a sliding phase (GP), the drum (3) in each case 2 to 6 partial revolutions with the low speed and in a subsequent shift phase (UM) is rotated at a higher speed, which a restacking causes the laundry (8) within the drum (3). Verfahren zum Behandeln von Wäsche nach Anspruch 6,
dadurch gekennzeichnet,
dass die höhere Drehzahl im Bereich von 40 bis 60 u/min liegt.A method of treating laundry according to claim 6,
characterized,
that the higher speed is in the range of 40 to 60 rpm. Verfahren zum Behandeln von Wäsche nach Anspruch 6 oder 7,
dadurch gekennzeichnet,
dass die Gleitphase (GP) etwa 30 bis 60 Sekunden und die Umschichtungsphase (UM) etwa 5 bis 10 Sekunden dauern, wobei der Zyklus (GL) mehr als zwei Gleitphasen mit jeweils anschließenden Umschichtphasen umfasst.Process for treating laundry according to claim 6 or 7,
characterized,
that the sliding phase (GP) last about 30 to 60 seconds and the Umschichtungsphase (UM) about 5 to 10 seconds, wherein the cycle (GL) more than two sliding phases, each with subsequent Umschichtphasen includes. Verfahren zum Behandeln von Wäsche nach Anspruch 8,
dadurch gekennzeichnet,
dass der Zyklus (GL) 6 bis 10 Gleitphasen (GP) mit jeweils anschließenden Umschichtungsphasen (UM) umfasst, wobei nach der letzten Umschichtungsphase (UM) eine Abkühlphase (AK) folgt, bei der die Heizeinrichtung (7) abgeschaltet ist und die Trommel (3) reversierend mit der höheren Drehzahl für etwa 60 bis 120 Sekunden gedreht wird.A method of treating laundry according to claim 8,
characterized,
in that the cycle (GL) comprises 6 to 10 sliding phases (GP) with respectively subsequent switching phases (UM), after the last switching phase (UM) a cooling phase (AK) follows in which the heating device (7) is switched off and the drum ( 3) is reversibly rotated at the higher speed for about 60 to 120 seconds. Verfahren zum Behandeln von Wäsche nach einem der Ansprüche 1 bis 8,
dadurch gekennzeichnet,
dass der Zyklus (GL) eine Gesamtdauer im Bereich von 6 bis 12 Minuten hat.Process for treating laundry according to one of claims 1 to 8,
characterized,
that the cycle (GL) has a total duration in the range of 6 to 12 minutes. Waschmaschine (1) oder Waschtrockner mit einem Gehäuse (4) und einem darin angeordneten, schwingbeweglich befestigten Laugenbehälter (2), in dem eine mit einem Motor (13) antreibbare Trommel (3) drehbar gelagert ist, und einer im Laugenbehälter (2) angeordneten Heizeinrichtung (7) und einer Steuereinrichtung (17), mit welcher der Motor (13) und die Heizeinrichtung (7) zur Durchführung des Verfahrens nach einem
der Ansprüche 1 bis 10 steuerbar ist.Washing machine (1) or washer-dryer with a housing (4) and a liquid-mounted tub (2) mounted therein, in which a drum (3) drivable with a motor (13) is rotatably mounted, and one in the tub (2) arranged Heating device (7) and a control device (17), with which the motor (13) and the heating device (7) for performing the method according to a
of claims 1 to 10 is controllable.
EP09001862A 2008-02-11 2009-02-11 Method for treating clothes in a washing machine and washing machine Active EP2088231B1 (en)

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US8448277B2 (en) 2013-05-28
EP2088231B1 (en) 2012-04-04
ES2383236T3 (en) 2012-06-19
US20090199350A1 (en) 2009-08-13
ATE552369T1 (en) 2012-04-15
PL2088231T3 (en) 2012-07-31
DE102008008645B3 (en) 2009-06-10

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