EP2075368B1 - Procédé d'élimination d'un condensat dans un appareil ménager d'entretien du linge - Google Patents

Procédé d'élimination d'un condensat dans un appareil ménager d'entretien du linge Download PDF

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Publication number
EP2075368B1
EP2075368B1 EP08105997A EP08105997A EP2075368B1 EP 2075368 B1 EP2075368 B1 EP 2075368B1 EP 08105997 A EP08105997 A EP 08105997A EP 08105997 A EP08105997 A EP 08105997A EP 2075368 B1 EP2075368 B1 EP 2075368B1
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EP
European Patent Office
Prior art keywords
condensate
collecting container
air
laundry
domestic appliance
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.)
Not-in-force
Application number
EP08105997A
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German (de)
English (en)
Other versions
EP2075368A1 (fr
Inventor
Steffens Günter
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete GmbH
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 BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP2075368A1 publication Critical patent/EP2075368A1/fr
Application granted granted Critical
Publication of EP2075368B1 publication Critical patent/EP2075368B1/fr
Not-in-force 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/32—Control of operations performed in domestic laundry dryers 
    • D06F58/34—Control of operations performed in domestic laundry dryers  characterised by the purpose or target of the control
    • D06F58/45—Cleaning or disinfection of machine parts, e.g. of heat exchangers or filters
    • 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
    • D06F2103/58—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to condensation, e.g. condensate water level
    • 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
    • D06F2105/36—Condensing arrangements, e.g. control of water injection therefor
    • 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
    • D06F2105/58—Indications or alarms to the control system or to the user
    • 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
    • D06F2105/58—Indications or alarms to the control system or to the user
    • D06F2105/60—Audible signals
    • 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 
    • D06F58/24—Condensing arrangements

Definitions

  • the invention relates to a method for disposing of a condensate in a domestic appliance for the care of laundry, is collected in the operation of the domestic appliance condensate collected in a sump, wherein the level of condensate collected in the sump is monitored and when a level threshold is exceeded generates a signal indicative of performing a Kondensatentsorgungsvorgangs, or when a level threshold is exceeded, a condensate removal operation is started.
  • a domestic appliance in the form of a tumble dryer which has a collecting container for receiving condensate, which is obtained during the drying of laundry items.
  • the collecting container is associated with a sensor arrangement, with which in particular a level of the condensate in the collecting container can be determined.
  • An indicator is also provided for alerting a user of the domestic appliance to the level when it requires intervention by the user, for example, to empty the collector. Parallel to this display, a running in the household appliance drying process can also be interrupted.
  • a tumble dryer is operated as a vented dryer or as a condensation dryer.
  • An exhaust air dryer passes heated air once through the laundry items to be dried in the drum and discharges these moisture laden air through an exhaust hose from the exhaust air dryer and out of the room in which it is installed.
  • a condensation dryer the operation of which is based on the condensation of moisture evaporated by means of warm process air from the laundry, requires no exhaust hose and allows energy recovery from the heated process air, for example by using a heat pump.
  • it is generally necessary to collect the accumulated condensate and either to pump it off or to dispose of it by manually emptying collection containers.
  • an exhaust air dryer In the case of an exhaust air dryer, on the other hand, moisture laden air is generally passed out of the dryer after passage through a laundry drum. Compared to a condensation dryer, an exhaust air dryer can be made simpler and thus cheaper.
  • An exhaust air dryer draws air from its environment during operation and uses it directly for drying. Such ambient air is usually relatively dry with a relative humidity of significantly less than 100%, and therefore can absorb a relatively large amount of moisture.
  • the circulating process air can be dehumidified in a condensation dryer usually only to 100% relative humidity at the lowest, in the process air circuit pending temperature, which limits their absorption capacity for moisture from the objects to be dried, thus imposing a certain restriction on the drying process.
  • any such heat recovery implies a cooling of the exhaust air, whereby condensate can precipitate out of the exhaust air and must be disposed of.
  • the tumble dryer comprises a drum accommodating and moving the laundry into which a supply air stream heated by a heating element flows, while the moist hot air is conducted as exhaust air via an outlet.
  • a heat exchanger is arranged in front of the heating element, which is flowed through by the moist hot exhaust air from the container.
  • an exhaust air dryer with heat recovery flows usually ambient air (eg, 20 ° C and 60% relative humidity, so-called supply air) in the heat exchanger surface of an air-to-air heat exchanger and is there under cooling from the drying chamber or the Drum heated warm process air heated up.
  • ambient air eg, 20 ° C and 60% relative humidity, so-called supply air
  • condensate is produced, which is collected or pumped away in a container.
  • the amount of accumulating Condensate is a measure of the heat energy released in the heat exchanger and thus a measure of the improvement in energy efficiency.
  • a first aspect of the invention relates to a method for disposing of a condensate in a domestic appliance for the care of laundry, is collected in the operation of the domestic appliance accumulating condensate in a sump, wherein the level of the condensate collected in the sump is monitored and when exceeding a Level threshold, a signal is generated as an indication for performing a Kondensatentsorgungsvorgangs, wherein a condensate removal process, a baking process is performed.
  • a second aspect of the invention relates to a method for disposing of a condensate in a domestic appliance for the care of laundry, in which the condensate accumulating in operation of the domestic appliance is collected in a collecting container, wherein the level of condensate collected in the collecting container is monitored and at a exceeding Level threshold, a condensate removal operation is started, wherein as a condensate removal process, a baking process is performed.
  • a condensation process of the condensate is performed as a condensate removal operation.
  • the disposal of the condensate, which accumulates in the sump, is particularly effective, simple and reliable.
  • the condensate removal process is started automatically by the device. Even if there is no user on the device or any previously performed reference was not registered by means of a signal, thereby the overflow of the collecting container can be avoided. It proves to be particularly advantageous if this condensate removal process is started, in particular automatically, after the completion of a care process of the items of laundry. With regard to the processes of the care process on the one hand and the condensate removal process on the other hand, this allows a temporal stringing together, so that both processes can be carried out optimally.
  • the collecting container is coupled to a secondary channel, which is arranged to form a main channel, in which the heat exchanger device is arranged, and the air is passed through the secondary channel, at least proportionally, in particular completely.
  • the baking process is preferably carried out only when a drum is emptied of laundry.
  • the heating process is also preferably carried out by means of a heating device or by means of the heating device and a heat exchange device, in particular a heat pump, of the domestic appliance.
  • the level in the collecting container is continuously monitored during operation of the domestic appliance. As a result, overfilling of the collecting container can be avoided.
  • the signal gives an indication to a user to start a condensate removal operation by the user after completing a care process of the laundry items.
  • the information by means of the signal is thus designed so that a user of the domestic appliance is also informed during the execution of the care process that a condensate disposal should take place, it being indicated by the signal that this condensate disposal after completion of the ongoing Care process should be carried out and dispose of this condensate or a corresponding disposal process should be started after completion of the care process.
  • the user is thus informed in time when such a condensate removal process should be started, so that even during the care process there is still a time margin for starting. Since the condensate removal process is subject to specific requirements in particular, it is particularly advantageous that this is performed only after completion of a care process, and the care process is not affected thereby.
  • an optical and / or acoustic signal is generated as an indication.
  • a user can clearly be given a corresponding display or message.
  • the condensate removal process is started automatically by the device. Even if no user is on the device or a possibly previously performed notice was not registered by means of a signal, thereby the overflow of the collection container can be avoided.
  • this condensate removal process is started, in particular automatically, after the completion of a care process of the items of laundry.
  • this allows a juxtaposition, so that both processes can be carried out optimally.
  • process air is conducted out of the domestic appliance during operation of the domestic appliance via a process air guide through a drum for absorbing moisture from the laundry items and after exiting the drum through an exhaust air opening;
  • a process air guide through a drum for absorbing moisture from the laundry items and after exiting the drum through an exhaust air opening;
  • the condensate is proportionally formed by the condensate collected in the collecting container is expelled in a mist-like manner through the exhaust opening with the discharged process air, whereupon it in a thereto condensed again subsequent exhaust pipe and runs back into the sump.
  • Fig. 1 is shown as a sketch of a household appliance for the care of laundry, which is designed as a vented dryer 1.
  • the dryer 1 has a process air channel 2 and a drum 3, which is rotatable about an axis 4.
  • Process air is guided by means of a blower 5 via a heater 6 through the drum 3 and a lint filter 7.
  • the process air is drawn in through a supply air opening 8 and pushed out through an exhaust air opening 9.
  • air passes directly from an environment of the dryer 1.
  • an exhaust hose 10 To the exhaust port 9 is connected an exhaust hose 10, with which the exhaust air from the dryer 1 away and from a room in which it is placed, is discharged.
  • a heat exchange device 11, 12 is present.
  • the process air drawn in through the inlet air opening 8 is transferred from the process air flowing out of the drum 3 and the lint filter 7.
  • the moist and warm process air to be discharged from the drum 3 is cooled.
  • the process air to be supplied to the heating device 6 is preheated.
  • the fully heated by the heater 6 process air is passed into the drum 3, where it comes into contact with the laundry to be dried and then flows to the lint filter 7.
  • a main part enters the main channel, which passes through the heat exchanger 11, 12, where it gives heat to fresh retracted supply air, which flows through the inlet channel of the heat exchange device 11, 12.
  • the amount of heat transferred in this case must be measured on the basis of a concrete specification with regard to the energy balance of the dryer 1 and does not necessarily correspond to the full amount of heat available in the main duct.
  • One of the findings derived from this is that the full stream of process air flowing out of the drum 3 does not have to be used for heat exchange. Therefore, it is possible to use a part of the process air flow to dispose of condensate, which is generated during the cooling of the process air in the main channel.
  • a secondary channel 13 is provided in which a corresponding part of the process air is introduced past the heat exchanger device 11, 12. Condensate, which accumulates in the main channel, passes through a corresponding channel 14 to the side channel 13th
  • the first branch 15 in the process air duct 2 at which the process air stream is divided into a first process air flow to the main channel and a second process air flow to the secondary channel 13 and at which the secondary channel 13 branches off from the main channel, is dimensioned so that the second process air flow about 30% of the total Available process air includes.
  • the second process air stream absorbs evaporating condensate and reunites at the second branch 16, at which the secondary channel 13 opens again into the main channel, again with the first process air stream.
  • a evaporator 17 is arranged in the form of a Ultraschallverneblers.
  • a particular advantage of this nebuliser 17 is that it allows the condensate to be distributed in the process air without the process air having to meet specific thermodynamic requirements, in particular having a certain elevated temperature and a certain reduced relative humidity in order to evaporate condensate present as liquid and to be able to record like that.
  • the removal of the condensate takes place as a mist, d. H. as a dispersion of liquid in gas.
  • This mist-like process air is passed through the auxiliary channel 13 and the exhaust port 9 in the exhaust hose 10.
  • the dryer 1 is positioned unfavorably and relatively long exhaust ducts 10 or many sheets are formed in this regard, low temperatures on the exhaust pipe or unfavorable wind constellations cause the exhaust nozzle to the fact that the generated fog-like process air flow condensed very strong on the walls of the exhaust hose 10 and the water runs back into the dryer 1.
  • it can then run back into the secondary channel 13 and also in the secondary channel 13 arranged collecting container 21, in which the collecting via the channel 14 condensate, run back.
  • Fig. 2 a second embodiment is shown, but the components of the dryer 1 are not shown above the fan 5 and the lint filter 7, since they are the components according to Fig. 1 correspond.
  • the heat exchange device 11, 12 is not in a simple countercurrent or cross-flow heat exchanger 11, 12, but is formed by an evaporator 11 and a condenser 12, and a heat pump 11, 12, 18, 19, 20, which additionally Compressor 18, a throttle 19 and a conduit system 20 for a recirculating and cyclically vaporized, to be compressed, to be liquefied and to be expanded refrigerant.
  • the main channel and the sub-channel 13 function as in the dryer 1 of the embodiment according to Fig. 1
  • the heat pump 11, 12, 18, 19, 20 allows a free adjustment of the temperature level in the main channel 11 and the inlet channel 12, and thus offers further options for optimizing the energy balance of the dryer. 1
  • heat pump can be designed as a compressor heat pump or as a Peltier heat pump.
  • FIG. 2 equipped with a compressor heat pump dryer 1
  • the cooling of the warm, laden with moisture process air substantially in the evaporator 11 of the heat pump, where the heat transferred to evaporate a refrigerant used in the heat pump cycle is used.
  • the refrigerant of the heat pump evaporated due to the heating is supplied to the condenser 12 of the heat pump via the compressor 18, where heat is released due to the condensation of the gaseous refrigerant which is used to heat the process air.
  • the refrigerant circulates in a closed circuit in which it passes from the condenser 12 via the throttle 19 back to the evaporator 11.
  • the dryers 1 are designed to carry out processes for disposing of a condensate.
  • the level of the condensate collected in the sump 21 is monitored, and when a level threshold is exceeded, a preferably acoustic signal is generated as an indication of performing a condensate removal operation.
  • the level in the collection container 21 is continuously monitored, the signal being an indication to a user of the dryer 1 to start by the user a condensate removal process after completing a care process of the laundry items.
  • a bakeout program or a bakeout process is started in which by means of the heat exchange arrangement 11, 12 according to the embodiment in FIG Fig. 1 or with the heat pump 11, 12, 18, 19, 20 according to the embodiment in Fig. 2 in connection with the heating device 6, which incidentally also in the embodiment according to Fig. 2 As mentioned, condensate is disposed of from the sump 21.
  • the heating program is performed only with the heater 6.
  • the baking process is carried out to the effect that warm and relatively dry air is passed through the condensate collection tray or the collection container 21 and can be absorbed by this air large amounts of condensate and conveyed out of the device.
  • the heating step is preferably supported or shortened by the fact that the heated air flow is conducted completely and thus 100% via the auxiliary channel 13. This can be done by a flap which closes the main channel in this baking process.
  • the collecting container 21 is dimensioned so that the condensate of at least two successive drying processes under unfavorable boundary conditions in the bottom group of the dryer 1 finds room.
  • dryer 1 for carrying out a method in which is monitored to dispose of a condensate, the level of condensate collected in the sump 21 and a condensate removal operation is started when a level threshold is exceeded.
  • the methods are designed so that the condensate removal process is started by the device itself and started automatically.
  • the condensate removal process is started after the completion of a drying process of the laundry items, and a bakeout process already explained above is carried out as the condensate removal process.

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

Claims (13)

  1. Procédé d'élimination d'un condensat dans un appareil ménager (1) destiné à l'entretien de pièces de linge, dans lequel le condensat produit pendant le fonctionnement de l'appareil ménager (1) est collecté dans un réservoir (21), le niveau du condensat collecté dans le réservoir (21) étant contrôlé et en cas de dépassement d'une valeur seuil du niveau un signal étant généré, avertissant qu'une opération d'élimination du condensat est à effectuer,
    caractérisé en ce que
    un processus de chauffage est effectué comme opération d'élimination du condensat.
  2. Procédé d'élimination d'un condensat dans un appareil ménager (1) destiné à l'entretien de pièces de linge, dans lequel le condensat produit pendant le fonctionnement de l'appareil ménager (1) est collecté dans un réservoir (21), le niveau du condensat collecté dans le réservoir (21) étant contrôlé et en cas de dépassement d'une valeur seuil du niveau une opération d'élimination du condensat étant lancée,
    caractérisé en ce que
    un processus de chauffage est effectué comme opération d'élimination du condensat.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que pendant le processus de chauffage, l'air chauffé et sec est dirigé au-dessus de la surface du condensat collecté dans le réservoir (21), absorbant ainsi le condensat dans le réservoir (21).
  4. Procédé selon la revendication 3, caractérisé en ce que l'air absorbant le condensat est évacué de l'appareil ménager (1) à travers l'orifice d'évacuation d'air.
  5. Procédé selon la revendication 3 ou 4, caractérisé en ce que le réservoir (21) est couplé à un conduit secondaire (13), disposé en parallèle à un conduit principal dans lequel est placé un dispositif d'échange de chaleur (11, 12), et en ce que pendant l'opération d'élimination du condensat, l'air est dirigé au moins partiellement, en particulier entièrement, à travers le conduit secondaire (13).
  6. Procédé selon l'une des revendications précédentes, caractérisé en ce que le processus de chauffage est effectué seulement lorsqu'il n'y a plus de pièces de linge dans le tambour (3).
  7. Procédé selon l'une des revendications précédentes, caractérisé en ce que le processus de chauffage est effectué au moyen d'un dispositif de chauffage (6) ou au moyen dudit dispositif de chauffage (6) et d'un dispositif d'échange de chaleur (11, 12), en particulier une pompe de chaleur, de l'appareil ménager (1).
  8. Procédé selon la revendication 1, caractérisé en ce que le niveau dans le réservoir (21) est contrôlé en continu.
  9. Procédé selon la revendication 1 ou 8, caractérisé en ce que le signal avertit un utilisateur en ce sens qu'une opération d'élimination du condensat est à lancer par l'utilisateur au terme d'un processus d'entretien des pièces de linge.
  10. Procédé selon l'une des revendications 1 ou 8 ou 9, caractérisé en ce qu'un signal optique et/ou acoustique est généré comme avertissement.
  11. Procédé selon la revendication 2, caractérisé en ce que l'opération d'élimination du condensat est lancée au terme d'un processus d'entretien des pièces de linge.
  12. Procédé selon l'une des revendications précédentes, caractérisé en ce que pendant le fonctionnement de l'appareil ménager (1), l'air de processus est dirigé par un dispositif de guidage d'air de processus (2) à travers un tambour (3) pour absorber l'humidité des pièces de linge et, une fois sorti du tambour (3), évacué de l'appareil ménager (1) à travers l'orifice d'évacuation d'air (9).
  13. Procédé selon la revendication 12, caractérisé en ce que la formation du condensat est partiellement due au fait que le condensat collecté dans le réservoir (21) est chassé sous forme de brouillard, avec l'air de processus évacué, à travers l'orifice d'évacuation d'air (9), puis recondense dans une conduite d'évacuation d'air (10) contiguë et retourne dans le réservoir (21).
EP08105997A 2007-12-27 2008-12-16 Procédé d'élimination d'un condensat dans un appareil ménager d'entretien du linge Not-in-force EP2075368B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007062836A DE102007062836A1 (de) 2007-12-27 2007-12-27 Verfahren zum Entsorgen eines Kondensats in einem Hausgerät zur Pflege von Wäschestücken

Publications (2)

Publication Number Publication Date
EP2075368A1 EP2075368A1 (fr) 2009-07-01
EP2075368B1 true EP2075368B1 (fr) 2012-06-27

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DE (1) DE102007062836A1 (fr)

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DE102008032801B4 (de) 2008-07-11 2020-08-06 BSH Hausgeräte GmbH Abluftwäschetrockner
DE102009028071A1 (de) * 2009-07-29 2011-02-03 BSH Bosch und Siemens Hausgeräte GmbH Wasserführendes Haushaltsgerät
DE102010039552A1 (de) 2010-08-20 2012-02-23 BSH Bosch und Siemens Hausgeräte GmbH Wäschebehandlungsgerät mit Siebaufnahme und Verfahren zum Betreiben eines Wäschebehandlungsgeräts mit einem Flusensieb
KR101694158B1 (ko) 2015-05-11 2017-01-09 엘지전자 주식회사 세탁물 처리장치
DE102016202114A1 (de) * 2016-02-12 2017-08-17 BSH Hausgeräte GmbH Haushaltsgerät und Verfahren zum Betreiben eines Haushaltsgeräts

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DE2232911B1 (de) * 1972-07-05 1973-09-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Waschetrockner mit im Trockenluft strom angeordneter Kondensations einrichtung
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DE2933513C2 (de) * 1979-08-18 1985-08-08 Miele & Cie GmbH & Co, 4830 Gütersloh Wäschetrockner mit Kondensationseinrichtung
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SE8100042L (sv) * 1981-01-07 1982-07-08 Technoscript Ab Forfarande och anordning for torkning av material i en torkare
DE4023000C2 (de) 1990-07-19 2003-02-27 Bsh Bosch Siemens Hausgeraete Wäschetrockner mit einem Wärmepumpenkreis
DE4211012C2 (de) * 1992-04-02 2000-11-23 Bsh Bosch Siemens Hausgeraete Verfahren und Vorrichtung zum Steuern eines Trocknungsvorganges
DE4333901C2 (de) * 1993-10-05 1999-04-08 Bauknecht Hausgeraete Wäschetrockner
DE4447227C2 (de) * 1994-04-11 2002-10-10 Bsh Bosch Siemens Hausgeraete Kondensatpumpe für einen Wäschetrockner
IT1284443B1 (it) * 1996-06-26 1998-05-21 Candy Spa Macchina lavatrice di tipo domestico con circuito chiuso di asciugatura, condensazione ad aria del vapore e filtro autopulente
JP2004116899A (ja) * 2002-09-26 2004-04-15 Matsushita Electric Ind Co Ltd ヒートポンプ式乾燥機
US7418789B2 (en) * 2004-11-10 2008-09-02 Lg Electronics Inc. Combination dryer and method thereof
DE102004055941B4 (de) * 2004-11-19 2017-05-11 BSH Hausgeräte GmbH Kondensations-Wäschetrockner
DE102006004589B4 (de) * 2006-02-01 2018-11-22 BSH Hausgeräte GmbH Einschub- und Grenz-Füllstandskontrolleinrichtung eines Haushalt-Wäschetrockners und Haushalt-Wäschetrockner

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DE102007062836A1 (de) 2009-07-02

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