EP2210975A1 - Method for dispensing an odorising agent during the drying process in a laundry dryer - Google Patents

Method for dispensing an odorising agent during the drying process in a laundry dryer Download PDF

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Publication number
EP2210975A1
EP2210975A1 EP10000286A EP10000286A EP2210975A1 EP 2210975 A1 EP2210975 A1 EP 2210975A1 EP 10000286 A EP10000286 A EP 10000286A EP 10000286 A EP10000286 A EP 10000286A EP 2210975 A1 EP2210975 A1 EP 2210975A1
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EP
European Patent Office
Prior art keywords
fragrance
drying process
card
chamber
process air
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.)
Granted
Application number
EP10000286A
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German (de)
French (fr)
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EP2210975B1 (en
Inventor
Felix Maßmann
Marco Rüchel
Stefan Dr. Siepmann
Andrej Vonberg
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Miele und Cie KG
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Miele und Cie KG
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Publication of EP2210975A1 publication Critical patent/EP2210975A1/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
    • D06F58/00—Domestic laundry dryers
    • D06F58/30—Drying processes 
    • 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
    • D06F2103/28—Air properties
    • D06F2103/36—Flow or velocity
    • 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
    • D06F2105/16—Air properties
    • D06F2105/24—Flow or velocity
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/203—Laundry conditioning arrangements

Definitions

  • the invention relates to a method for dispensing a fragrance during the drying process in a laundry treatment machine, such as a tumble dryer having a drum rotatably mounted in a housing, and a closable with a door feed opening, wherein a process air flow is generated by means of a blower and a heater passing through the drum, a heat exchanger, and a lint filter means, and wherein the laundry is mixed with a fragrance, which is flushed out of a fragrance carrier due to a negative pressure generated by the process air through the process air stream during the drying process.
  • a laundry treatment machine such as a tumble dryer having a drum rotatably mounted in a housing, and a closable with a door feed opening, wherein a process air flow is generated by means of a blower and a heater passing through the drum, a heat exchanger, and a lint filter means, and wherein the laundry is mixed with a fragrance, which is flushed out of a fragrance carrier due to a
  • the laundry is supplied with a fragrance.
  • the fragrance-receiving container has a supply line which is in communication with the drum space of the clothes dryer.
  • the fragrance carrier is designed as a container, which is housed for access behind a flap in the housing of the clothes dryer.
  • Another way to deliver the fragrance during the drying process of the laundry is from the Korean patent KR 10-2007-0007548 A known.
  • a fragrance carrier is arranged in the region of the lint filter, which can be inserted into a slot provided on the lint filter.
  • the fragrance carrier is arranged in the region of the door or the upper flap.
  • fragrance is removed from the fragrance carrier throughout the drying process. It is particularly disadvantageous in this case that the fragrance supply also takes place in the heating phases of the drying process. Due to the high temperatures, the perfume evaporates, so that the fragrance carrier due to the hot air does not ensure a uniform distribution of fragrance in the laundry.
  • the invention is thus based on the object of developing a method for scenting items of laundry in a tumble dryer in such a way that an efficient scenting of the items of laundry is made possible during the drying process.
  • the fragrance carrier is inserted in the form of a compact flash card in a designated switch panel of a tumble dryer.
  • the area around the card is thermally insulated so that the card is not heated during the drying process.
  • the fragrance from the fragrance carrier is retrieved at any time of the drying process and conveyed into the laundry, wherein the extraction of the fragrance is preferably carried out in the cooling phases of the drying process.
  • a valve opens, wherein the suction in the dryer warm air is transported from the inside of the housing through the card in the process air stream. The warm air dissolves the fragrances from the card and transports them into the laundry.
  • the fragrance intensity is adjusted by the duration of the valve opening, wherein the valve opening is preferably at the end of the drying process, when the process air is already cooled and no fragrance is destroyed by excessive temperatures occurs.
  • the perfume can be supplied in a cool phase of the program flow.
  • the fragrance is not destroyed by too high temperatures, with the result that less fragrance is consumed and a good scent result is achieved.
  • the card with the appropriate scent is located in the area of the switch panel. It can not be wrapped by laundry, which has the consequence that a homogeneous scenting of the laundry is given. As a result, a uniform distribution of the fragrance in the drum space is achieved.
  • the card is thus not permanently exposed to the hot air flow of the clothes dryer, because only at a desired time the bypass is opened via a valve, so that warm air can dissolve the fragrance from the carrier and take away.
  • the card as a fragrance carrier, so has this slider on the sides.
  • the fragrance is added to the process air via an air duct formed as a bypass, wherein the scent duration is controlled and regulated during the drying process. It is particularly advantageous that the scenting is carried out in the cooling phase of the drying process.
  • the fragrance carrier is held in this case in a arranged in the air duct, thermally insulated chamber whose time-limited flow is made with an inlet and / or an outlet valve.
  • electrical drives provided, in particular make the closing and opening of the individual valve. The control can thus be done via the program control. If the valves are open, process air flows through the chamber to deliver the fragrance provided on the pressure medium carrier.
  • valves for the passage of the process air takes place primarily in the cooling phase of the drying process, in order not to destroy the fragrance or fragrance in this way, or to change it in an undesirable manner.
  • a card is used, similar to a check card, which is inserted through a slot provided in the chamber, which corresponds to an opening provided in the housing wall, is inserted.
  • a slot and a drawer can be used in which the card can be used umd pushed with the drawer in the channel or chamber.
  • the card is provided with slide elements which automatically open the fragrance carrier area on the card when inserted into the chamber and automatically close the fragrance carrier area on the card when the card is removed from the chamber.
  • FIGS. 1 and 2 show a clothes dryer 1 for performing the method.
  • the tumble dryer 1 in a housing 2 on a rotatably mounted drum 3.
  • the tumble dryer 1 in this case has a door 4 which forms the closable charging opening 5 for the drum 3.
  • the tumble dryer 1 has a fan 6 and a heating device 7, wherein fan 6 and heating device 7 are provided for generating a process air stream 8.
  • the heated process air 8 flows via a heat exchanger 9 and via a lint filter device 10, with the process air stream 8 a fragrance carrier 11 cooperating, which gives the laundry items 12 a scent.
  • the fragrance carrier 11 arranged in a trained as a bypass 13 air duct so that the fragrance duration of the fragrance carrier 11 is controlled and controlled during the drying process.
  • the fragrance carrier 11 is arranged in a thermally insulated chamber 14 arranged in the bypass 13.
  • This chamber 14 is located behind the housing wall in the upper region of the tumble dryer 1.
  • the chamber 14 is equipped with an inlet valve 15 and an outlet valve 16. Both valves 15 and 16 are electrically actuated.
  • process air 8 as indicated by the arrow 17 flows through the chamber 14 to deliver the fragrance provided on the fragrance carrier 11.
  • the delivery of the perfume provided so that the incoming process air is added via the bypass 13 in front of the heat exchanger 9, in which case the process air 8 flows through the drum 3 with the acted upon fragrance.
  • the delivery of the fragrance takes place directly in the drum 3, in which case the bypass 13 opens into the drum 3.
  • the control of the valves 15, 16 takes place for the passage of the process air 8 mainly in the cooling phase of the drying process, in which case this is done in particular via the program control of the tumble dryer 1.
  • the printing medium carrier 11 in this case comprises a card 18, as this in the FIG. 1 indicated in perspective.
  • the card 18 is thereby inserted through a slot 14 provided in the chamber which corresponds to an opening provided in the housing wall.
  • a slot 14 provided in the chamber which corresponds to an opening provided in the housing wall.

Abstract

The method involves producing a processing air stream (8) by a blower (6) and a heating device (7). The processing air stream is flown via a drum (3), a heat exchanger (9) and a lint filter device (10). Fragrance is admixed to laundry pieces (12) by the air stream during drying process. The fragrance is flushed-out by a fragrance center carrier (11) due to a negative pressure produced by processing air. The fragrance is admixed to the processing air stream by an air duct designed as a bypass unit (13), and a fragrance period is controlled and regulated during the drying process.

Description

Die Erfindung betrifft ein Verfahren zur Abgabe eines Duftstoffes während des Trocknungsprozesses in einer Wäschebehandlungsmaschine, wie beispielsweise einem Wäschetrockner, der eine in einem Gehäuse drehbar gelagerte Trommel aufweist, sowie eine mit einer Tür verschließbaren Beschickungsöffnung, wobei mittels eines Gebläses und einer Heizeinrichtung ein Prozessluftstrom erzeugt wird, der durch die Trommel, einem Wärmetauscher sowie eine Flusenfiltereinrichtung strömt, und wobei durch den Prozessluftstrom während des Trocknungsvorganges den Wäschestücken ein Duftstoff beigemischt wird, der von einem Duftmittelträger infolge eines von der Prozessluft erzeugten Unterdrucks herausgespült wird.The invention relates to a method for dispensing a fragrance during the drying process in a laundry treatment machine, such as a tumble dryer having a drum rotatably mounted in a housing, and a closable with a door feed opening, wherein a process air flow is generated by means of a blower and a heater passing through the drum, a heat exchanger, and a lint filter means, and wherein the laundry is mixed with a fragrance, which is flushed out of a fragrance carrier due to a negative pressure generated by the process air through the process air stream during the drying process.

Bei den Wäschetrocknern des Standes der Technik ist es bekannt, dass während des Trocknungsvorganges die Wäsche mit einem Duftstoff beaufschlagt wird. So ist aus der DE 74 39 405 ein Wäschetrockner mit einer Vorrichtung zur Zugabe eines Duftstoffes bekannt, wobei der Duftmittelaufnahmebehälter über eine Zuführleitung verfügt, die in Verbindung mit dem Trommelraum des Wäschetrockners steht. Dabei ist der Duftmittelträger als Behältnis ausgebildet, wobei dieser für den Zugang hinter einer Klappe im Gehäuse des Wäschetrockners untergebracht ist. Eine andere Art den Duftstoff während des Trocknungsprozesses der Wäsche zuzuführen, ist aus der koreanischen Patentschrift KR 10-2007-0007548 A bekannt. Gemäß dieser Ausführungsform wird im Bereich des Flusenfilters ein Duftmittelträger angeordnet, der in einen am Flusenfilter vorgesehenen Schlitz eingesteckt werden kann. Eine andere Variante ist aus der japanischen Druckschrift JP 09038388 bekannt, wobei bei dieser Art der Ausführung eines Toplader-Wäschetrockners der Duftmittelträger im Bereich der Tür oder der oberen Klappe angeordnet ist.In the tumble dryers of the prior art, it is known that during the drying process, the laundry is supplied with a fragrance. So is out of the DE 74 39 405 a clothes dryer with a device for adding a fragrance, wherein the fragrance-receiving container has a supply line which is in communication with the drum space of the clothes dryer. In this case, the fragrance carrier is designed as a container, which is housed for access behind a flap in the housing of the clothes dryer. Another way to deliver the fragrance during the drying process of the laundry is from the Korean patent KR 10-2007-0007548 A known. According to this embodiment, a fragrance carrier is arranged in the region of the lint filter, which can be inserted into a slot provided on the lint filter. Another variant is from the Japanese publication JP 09038388 In this type of embodiment of a top-loading clothes dryer, the fragrance carrier is arranged in the region of the door or the upper flap.

Bei diesen aus dem Stand der Technik bekannten Art der Beduftung von Wäschestücken während des Trocknungsvorganges wird es als nachteilig angesehen, dass der Duftstoff über den gesamten Trocknungsvorgang dem Duftmittelträger entzogen wird. Besonders nachteilig ist es hierbei, dass die Duftzufuhr auch in den Aufheizphasen des Trocknungsprozesses erfolgt. Infolge der hohen Temperaturen verflüchtigt sich der Duftstoff, so dass der Duftmittelträger infolge der heißen Luft eine gleichmäßige Duftverteilung in der Wäsche nicht sicherstellt.In these known from the prior art type of scenting laundry items during the drying process, it is considered disadvantageous that the fragrance is removed from the fragrance carrier throughout the drying process. It is particularly disadvantageous in this case that the fragrance supply also takes place in the heating phases of the drying process. Due to the high temperatures, the perfume evaporates, so that the fragrance carrier due to the hot air does not ensure a uniform distribution of fragrance in the laundry.

Der Erfindung liegt somit die Aufgabe zu Grunde, ein Verfahren zur Beduftung von Wäschestücken in einem Wäschetrockner derart weiterzubilden, dass während des Trocknungsprozesses eine effiziente Beduftung der Wäschestücke ermöglicht wird.The invention is thus based on the object of developing a method for scenting items of laundry in a tumble dryer in such a way that an efficient scenting of the items of laundry is made possible during the drying process.

Erfindungsgemäß wird diese Aufgabe durch den unabhängigen Anspruch 1 gelöst; vorteilhafte Ausgestaltungen und Weiterbildungen der Erfindung ergeben sich aus den nachfolgenden abhängigen Ansprüchen.According to the invention, this object is solved by the independent claim 1; advantageous embodiments and modifications of the invention will become apparent from the following dependent claims.

Die mit der Erfindung erreichten Vorteile bestehen nun darin, dass der Duftträger in Form ähnlich einer Compact-Flash-Karte in eine vorgesehene Schalterblende eines Wäschetrockners gesteckt wird. Der Bereich um die Karte ist hierbei thermisch isoliert, so dass die Karte während des Trocknungsprozesses nicht erwärmt wird. Der Duftstoff aus dem Duftträger wird zu beliebiger Zeit des Trocknungsprozesses abgerufen und in die Wäsche gefördert, wobei die Abrufung des Duftstoffes vorzugsweise in den Abkühlphasen des Trocknungsprozesses vorgenommen wird. Dazu öffnet ein Ventil, wobei durch den Sog im Trockner warme Luft von der Gehäuseinnenseite durch die Karte in den Prozessluftstrom befördert wird. Die warme Luft löst die Duftstoffe aus der Karte und befördert sie in die Wäsche. Die Duftintensität wird durch die Dauer der Ventilöffnung eingestellt, wobei die Ventilöffnung vorzugsweise zum Ende des Trocknungsprozesses, wenn die Prozessluft bereits abgekühlt ist und kein Duftstoff durch zu hohe Temperaturen zerstört wird, erfolgt.The advantages achieved with the invention are now that the fragrance carrier is inserted in the form of a compact flash card in a designated switch panel of a tumble dryer. The area around the card is thermally insulated so that the card is not heated during the drying process. The fragrance from the fragrance carrier is retrieved at any time of the drying process and conveyed into the laundry, wherein the extraction of the fragrance is preferably carried out in the cooling phases of the drying process. For this purpose, a valve opens, wherein the suction in the dryer warm air is transported from the inside of the housing through the card in the process air stream. The warm air dissolves the fragrances from the card and transports them into the laundry. The fragrance intensity is adjusted by the duration of the valve opening, wherein the valve opening is preferably at the end of the drying process, when the process air is already cooled and no fragrance is destroyed by excessive temperatures occurs.

Vorteilhaft ist dabei, dass der Duftstoff in einer kühlen Phase des Programmablaufs zugeführt werden kann. Dadurch wird der Duftstoff durch zu hohe Temperaturen nicht mehr zerstört, was zur Folge hat, dass auch weniger Duftstoff verbraucht wird und ein gutes Duftergebnis erzielt wird. Die Karte mit der entsprechenden Duftnote befindet sich im Bereich der Schalterblende. Sie kann nicht von Wäschestücken umschlungen werden, was zur Folge hat, dass eine homogene Beduftung der Wäschestücke gegeben ist. Dadurch wird eine gleichmäßige Verteilung des Duftstoffes im Trommelraum erzielt. Die Karte wird somit nicht dauerhaft dem heißen Luftstrom des Wäschetrockners ausgesetzt, weil nur zu einer gewünschten Zeit der Bypass über ein Ventil geöffnet wird, so dass warme Luft den Duftstoff aus dem Träger lösen und mitnehmen kann. Was die Karte als Duftmittelträger betrifft, so besitzt diese Schieber an den Seiten. Diese Schieber haben die Funktion die Karte geschlossen zu halten, wenn sie sich nicht im Trockner befindet. Steckt man die Karte in den Trockner, öffnen sich die Schieber, so dass der Duftstoff entweichen kann. Nimmt man die Karte wieder heraus, schließen sich die Schieber wieder. Somit ist dann die Karte vor selbst entweichenden Duftstoffen geschützt.It is advantageous that the perfume can be supplied in a cool phase of the program flow. As a result, the fragrance is not destroyed by too high temperatures, with the result that less fragrance is consumed and a good scent result is achieved. The card with the appropriate scent is located in the area of the switch panel. It can not be wrapped by laundry, which has the consequence that a homogeneous scenting of the laundry is given. As a result, a uniform distribution of the fragrance in the drum space is achieved. The card is thus not permanently exposed to the hot air flow of the clothes dryer, because only at a desired time the bypass is opened via a valve, so that warm air can dissolve the fragrance from the carrier and take away. As for the card as a fragrance carrier, so has this slider on the sides. These sliders have the function of keeping the card closed when not in the dryer. If you put the card in the dryer, the sliders open so that the fragrance can escape. If you take the card out again, the sliders close again. Thus, then the card is protected from even escaping perfumes.

Gemäß dem erfindungsgemäßen Verfahren wird der Duftstoff über einen als Bypass ausgebildeten Luftkanal der Prozessluft beigemischt, wobei die Beduftungsdauer während des Trocknungsprozesses gesteuert und geregelt wird. Besonders vorteilhaft ist hierbei, dass die Beduftung in der Abkühlphase des Trocknungsprozesses vorgenommen wird. Zur Beduftung wird der Duftmittelträger hierbei in einer im Luftkanal angeordneten, thermisch isolierten Kammer vorgehalten, deren zeitbegrenzte Durchströmung mit einem Einlass und/oder einem Auslassventil vorgenommen wird. Zur Regelung der Ventile sind elektrische Antriebe vorgesehen, die insbesondere Schließen und Öffnen des einzelnen Ventils vornehmen. Die Ansteuerung kann damit über die Programmsteuerung erfolgen. Sind die Ventile geöffnet, so strömt Prozessluft durch die Kammer zur Abgabe des auf dem Druckmittelträger vorgesehenen Duftstoffes.According to the method according to the invention, the fragrance is added to the process air via an air duct formed as a bypass, wherein the scent duration is controlled and regulated during the drying process. It is particularly advantageous that the scenting is carried out in the cooling phase of the drying process. For scenting the fragrance carrier is held in this case in a arranged in the air duct, thermally insulated chamber whose time-limited flow is made with an inlet and / or an outlet valve. To control the valves are electrical drives provided, in particular make the closing and opening of the individual valve. The control can thus be done via the program control. If the valves are open, process air flows through the chamber to deliver the fragrance provided on the pressure medium carrier.

Wie bereits schon erwähnt, erfolgt eine Ansteuerung der Ventile zur Durchleitung der Prozessluft vornehmlich in der Abkühlphase des Trocknungsprozesses, um auf diese Weise die den Duftstoff bzw. Duftnote nicht zu zerstören oder in unerwünschter Weise zu verändern.As already mentioned, a control of the valves for the passage of the process air takes place primarily in the cooling phase of the drying process, in order not to destroy the fragrance or fragrance in this way, or to change it in an undesirable manner.

Als Druckmittelträger wird hierbei eine Karte verwendet, ähnlich wie eine Scheckkarte, wobei diese durch einen in der Kammer vorgesehenen Schlitz, der mit einer in der Gehäusewand vorgesehenen Öffnung korrespondiert, eingeschoben wird. Anstelle eines Schlitzes kann auch eine Schublade verwendet werden, in der die Karte eingesetzt umd mit der Schublade in den Kanal bzw. Kammer geschoben werden kann. Die Karte ist mit Schieberelementen versehen, die beim Einführen in die Kammer selbsttätig den Duftträgerbereich auf der Karte öffnen und beim Herausziehen der Karte aus der Kammer den Duftträgerbereich auf der Karte wieder selbsttätig schließen. Somit wird ein effizienter Umgang mit dem Duftstoff auf der Duftmittelträgerkarte erreicht.As a print medium carrier in this case a card is used, similar to a check card, which is inserted through a slot provided in the chamber, which corresponds to an opening provided in the housing wall, is inserted. Instead of a slot and a drawer can be used in which the card can be used umd pushed with the drawer in the channel or chamber. The card is provided with slide elements which automatically open the fragrance carrier area on the card when inserted into the chamber and automatically close the fragrance carrier area on the card when the card is removed from the chamber. Thus, an efficient handling of the fragrance on the fragrance carrier card is achieved.

Ein Ausführungsbeispiel der Erfindung ist anhand der nachstehenden Figuren 1 bis 3 näher erläutert; dabei zeigen:

Figur 1
eine perspektivische Darstellung eines Wäschetrockners;
Figur 2
eine geschnittene Ansicht des Wäschetrockners gemäß der Fig. 1; und
Figur 3
eine weitere geschnittene Darstellung des Wäschetrockners gemäß der Fig. 1 in einer weiteren Ausführungsform der Duftmittelzufuhr.
An embodiment of the invention is based on the following FIGS. 1 to 3 explained in more detail; show:
FIG. 1
a perspective view of a clothes dryer;
FIG. 2
a sectional view of the tumble dryer according to the Fig. 1 ; and
FIG. 3
another sectional view of the tumble dryer according to the Fig. 1 in a further embodiment of the fragrance supply.

Die Figuren 1 und 2 zeigen einen Wäschetrockner 1 zur Durchführung des Verfahrens. Dabei weist der Wäschetrockner 1 in einem Gehäuse 2 eine drehbar gelagerten Trommel 3 auf. Der Wäschetrockner 1 weist hierbei eine Tür 4 auf, die die verschließbare Beschickungsöffnung 5 für die Trommel 3 bildet. In der geschnittenen Ansicht der Figur 2 ist zu erkennen, dass der Wäschetrockner 1 über ein Gebläse 6 und eine Heizeinrichtung 7 verfügt, wobei Gebläse 6 und Heizeinrichtung 7 zur Erzeugung eines Prozessluftstromes 8 vorgesehen sind. Die erwärmte Prozessluft 8 strömt über einen Wärmetauscher 9 sowie über eine Flusenfiltereinrichtung 10, wobei mit dem Prozessluftstrom 8 ein Duftmittelträger 11 zusammenwirkt, der den Wäschestücken 12 eine Duftnote verleiht. Dabei ist, wie insbesondere in der Figur 1 aber auch in den Figuren 2 und 3 zu erkennen ist, der Duftmittelträger 11 in einem als Bypass 13 ausgebildeten Luftkanal derart angeordnet, dass die Beduftungsdauer des Duftmittelträgers 11 während des Trocknungsprozesses geregelt und steuerbar wird.The FIGS. 1 and 2 show a clothes dryer 1 for performing the method. In this case, the tumble dryer 1 in a housing 2 on a rotatably mounted drum 3. The tumble dryer 1 in this case has a door 4 which forms the closable charging opening 5 for the drum 3. In the sectional view of the FIG. 2 It can be seen that the tumble dryer 1 has a fan 6 and a heating device 7, wherein fan 6 and heating device 7 are provided for generating a process air stream 8. The heated process air 8 flows via a heat exchanger 9 and via a lint filter device 10, with the process air stream 8 a fragrance carrier 11 cooperating, which gives the laundry items 12 a scent. It is, as in particular in the FIG. 1 but also in the Figures 2 and 3 can be seen, the fragrance carrier 11 arranged in a trained as a bypass 13 air duct so that the fragrance duration of the fragrance carrier 11 is controlled and controlled during the drying process.

In den Figuren 2 und 3 ist deutlich zu erkennen, dass der Duftmittelträger 11 in einer im Bypass 13 angeordneten, thermisch isolierten Kammer 14 angeordnet ist. Diese Kammer 14 befindet sich hinter der Gehäusewand im oberen Bereich des Wäschetrockners 1. Wie aus den Figuren zu erkennen ist, ist dabei die Kammer 14 mit einem Einlassventil 15 und einem Auslassventil 16 bestückt. Beide Ventile 15 und 16 sind dabei elektrisch ansteuerbar. Sind also die beiden Ventile 15 und 16 geöffnet, so strömt, gemäß Pfeilrichtung 17, Prozessluft 8 durch die Kammer 14 zur Abgabe des auf dem Duftmittelträger 11 vorgesehenen Duftstoffes. Dabei ist insbesondere nach der Version der Figur 2 die Abgabe des Duftstoffes so vorgesehen, dass die einströmende Prozessluft über den Bypass 13 vor dem Wärmetauscher 9 zugegeben wird, wobei dann die Prozessluft 8 durch die Trommel 3 mit der beaufschlagten Duftnote strömt.In the Figures 2 and 3 It can be clearly seen that the fragrance carrier 11 is arranged in a thermally insulated chamber 14 arranged in the bypass 13. This chamber 14 is located behind the housing wall in the upper region of the tumble dryer 1. As can be seen from the figures, the chamber 14 is equipped with an inlet valve 15 and an outlet valve 16. Both valves 15 and 16 are electrically actuated. Thus, if the two valves 15 and 16 are opened, process air 8, as indicated by the arrow 17, flows through the chamber 14 to deliver the fragrance provided on the fragrance carrier 11. It is in particular after the version of the FIG. 2 the delivery of the perfume provided so that the incoming process air is added via the bypass 13 in front of the heat exchanger 9, in which case the process air 8 flows through the drum 3 with the acted upon fragrance.

Bei der Figur 3 erfolgt die Abgabe des Duftstoffes unmittelbar in die Trommel 3, wobei hier der Bypass 13 in der Trommel 3 mündet. Die Ansteuerung der Ventile 15, 16 erfolgt zur Durchleitung der Prozessluft 8 vornehmlich in der Abkühlphase des Trocknungsprozesses, wobei hier insbesondere dies über die Programmsteuerung des Wäschetrockners 1 vorgenommen wird.In the FIG. 3 the delivery of the fragrance takes place directly in the drum 3, in which case the bypass 13 opens into the drum 3. The control of the valves 15, 16 takes place for the passage of the process air 8 mainly in the cooling phase of the drying process, in which case this is done in particular via the program control of the tumble dryer 1.

Der Druckmittelträger 11 umfasst hierbei eine Karte 18, wie diese in der Figur 1 in der Perspektive angedeutet ist. Die Karte 18 wird dabei durch einen in der Kammer 14 vorgesehenen Schlitz, der mit einer in der Gehäusewand vorgesehenen Öffnung korrespondiert, eingeschoben. Somit ergibt sich auch die Möglichkeit hier entsprechend unterschiedliche Duftnoten auf entsprechenden Karten 18 vorzuhalten, so dass entsprechend des Wunsches hier unterschiedliche Karten 18 vorgehalten werden, die für die Beduftung unterschiedlicher Wäschestücke herangezogen werden können. Nicht näher dargestellt ist hierbei, dass die Karte 18 mit Schieberelementen versehen ist, die beim Einführen in die Kammer 14 selbsttätig den Duftträgerbereich auf der Karte 18 öffnen, und beim Herausziehen der Karte 18 aus der Kammer 14 den Duftträgerbereich auf der Karte 18 wieder selbstständig schließen.The printing medium carrier 11 in this case comprises a card 18, as this in the FIG. 1 indicated in perspective. The card 18 is thereby inserted through a slot 14 provided in the chamber which corresponds to an opening provided in the housing wall. Thus, there is also the possibility here correspondingly different fragrance notes vorzuhalten on corresponding cards 18, so that according to the desire here different cards 18 are kept, which can be used for the scenting of different items of laundry. Not shown in detail here is that the card 18 is provided with slide elements that automatically open the Duftträgerbereich on the card 18 when inserted into the chamber 14, and when pulling out of the card 18 from the chamber 14 close the Duftträgerbereich on the card 18 independently again ,

Claims (8)

Verfahren zur Abgabe eines Duftstoffes während des Trocknungsprozesses in einer Wäschebehandlungsmaschine, wie beispielsweise einem Wäschetrockner (1), der eine in einem Gehäuse (2) drehbar gelagerte Trommel (3) aufweist, sowie eine mit einer Tür (4) verschließbare Beschickungsöffnung (5), wobei mittels eines Gebläses (6) und einer Heizeinrichtung (7) ein Prozessluftstrom (8) erzeugt wird, der durch die Trommel (3), einem Wärmetauscher (9) sowie eine Flusenfiltereinrichtung (10) strömt, und wobei durch den Prozessluftstrom (8) während des Trocknungsvorganges den Wäschestücken (12) ein Duftstoff beigemischt wird, der von einem Duftmittelträger (11) infolge eines von der Prozessluft erzeugten Unterdrucks herausgespült wird,
dadurch gekennzeichnet,
dass der Duftstoff über einen als Bypass (13) ausgebildeten Luftkanal der Prozessluft (8) beigemischt wird, wobei die Beduftungsdauer während des Trocknungsprozesses gesteuert und geregelt wird.Method for dispensing a fragrance during the drying process in a laundry treatment machine, such as a tumble dryer (1) having a drum (3) rotatably mounted in a housing (2), and a feed opening (5) which can be closed by a door (4), wherein by means of a blower (6) and a heating device (7) a process air stream (8) is generated, which flows through the drum (3), a heat exchanger (9) and a lint filter device (10), and by the process air stream (8) during the drying process the laundry items (12) a fragrance is mixed, which is flushed out by a fragrance carrier (11) due to a negative pressure generated by the process air,
characterized,
in that the perfume is admixed with the process air (8) via an air duct designed as a bypass (13), the scent duration being controlled and regulated during the drying process. Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
dass die Beduftung in der Abkühlphase des Trocknungsprozesses vorgenommen wird.Method according to claim 1,
characterized,
that the perfuming is carried out in the cooling phase of the drying process. Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
dass zur Beduftung der Duftmittelträger (11) im Bypass (13) eine thermisch isolierte Kammer (14) vorgehalten wird, deren zeitbegrenzte Durchströmung mit einem Einlassventil (15) und/oder einem Auslassventil (16) vorgenommen wird.Method according to claim 1,
characterized,
in that a thermally insulated chamber (14) is provided for perfuming the fragrance carrier (11) in the bypass (13), the time-limited flow through which is made with an inlet valve (15) and / or an outlet valve (16). Verfahren nach Anspruch 1,
dadurch gekennzeichnet,
dass die Ventile (15, 16) in Abhängigkeit vom Trocknungsprozess elektrisch angesteuert und geregelt werden.Method according to claim 1,
characterized,
that the valves (15, 16) are electrically controlled in dependence on the drying process and regulated. Verfahren nach Anspruch 4,
dadurch gekennzeichnet,
dass bei geöffneter Ventilstellung Prozessluft (8) durch die Kammer (14) zur Abgabe des Duftstoffes von dem Duftmittelträger (11) geführt wird.Method according to claim 4,
characterized,
that when the valve position is open, process air (8) is passed through the chamber (14) for dispensing the fragrance from the fragrance carrier (11). Verfahren nach Anspruch 1 oder 3,
dadurch gekennzeichnet,
dass als Duftmittelträger (11) eine Karte (18) verwendet wird.Method according to claim 1 or 3,
characterized,
in that a card (18) is used as the fragrance carrier (11). Verfahren nach Anspruch 6,
dadurch gekennzeichnet,
dass die Karte (18) über einen / eine in der Gehäusewand vorgesehenen / vorgesehene Schlitz oder Schublade in den Luftkanal oder in die Kammer (14) eingeschoben wird.Method according to claim 6,
characterized,
in that the card (18) is inserted into the air duct or into the chamber (14) via a slot or drawer provided / provided in the housing wall. Verfahren nach Anspruch 7,
dadurch gekennzeichnet,
dass die Karte (18) über schließende bzw. öffnende Schieberelemente verfügt, die infolge des Einschubes bzw. des Herausziehens derart bewegt werden, dass der Duftträgerbereich geschlossen bzw. geöffnet wird.Method according to claim 7,
characterized,
in that the card (18) has closing or opening slide elements which are moved as a result of the insertion or extraction in such a way that the fragrance carrier region is closed or opened.
EP10000286.4A 2009-01-27 2010-01-14 Method for dispensing an odorising agent during the drying process in a laundry dryer Not-in-force EP2210975B1 (en)

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Application Number Priority Date Filing Date Title
DE102009006233A DE102009006233A1 (en) 2009-01-27 2009-01-27 Process for dispensing a fragrance during the drying process in a tumble dryer

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EP2210975B1 EP2210975B1 (en) 2013-10-09

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US8104192B2 (en) * 2005-03-31 2012-01-31 Lg Electronics Inc. Laundry dryer
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CN109881459A (en) * 2019-03-11 2019-06-14 青岛海尔洗衣机有限公司 A kind of fragrance addition component, clothes treatment device and control method

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US10745853B2 (en) 2018-03-28 2020-08-18 Haier Us Appliance Solutions, Inc. Fragrant additive reservoir for a dryer appliance
DE102022003835A1 (en) 2022-10-09 2024-04-11 Feras Al Hammoud Odor Disc System

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EP2280114A1 (en) * 2009-07-31 2011-02-02 Lg Electronics Inc. Clothes dryer having liquid injection nozzle
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CN109881459A (en) * 2019-03-11 2019-06-14 青岛海尔洗衣机有限公司 A kind of fragrance addition component, clothes treatment device and control method

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Publication number Publication date
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