EP2055826B1 - Sèche-linge à évacuation d'air doté d'une récupération de chaleur et cuve de condensation ainsi que son procédé de fonctionnement - Google Patents
Sèche-linge à évacuation d'air doté d'une récupération de chaleur et cuve de condensation ainsi que son procédé de fonctionnement Download PDFInfo
- Publication number
- EP2055826B1 EP2055826B1 EP08105513A EP08105513A EP2055826B1 EP 2055826 B1 EP2055826 B1 EP 2055826B1 EP 08105513 A EP08105513 A EP 08105513A EP 08105513 A EP08105513 A EP 08105513A EP 2055826 B1 EP2055826 B1 EP 2055826B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- exhaust air
- condensate
- dryer
- exhaust
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000009833 condensation Methods 0.000 title description 7
- 230000005494 condensation Effects 0.000 title description 7
- 238000011084 recovery Methods 0.000 title description 7
- 238000001035 drying Methods 0.000 claims abstract description 24
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000001376 precipitating effect Effects 0.000 claims 1
- 239000003570 air Substances 0.000 description 129
- 239000003507 refrigerant Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000001704 evaporation Methods 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 239000012080 ambient air Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007792 gaseous phase Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
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
- D06F58/20—General details of domestic laundry dryers
- D06F58/206—Heat pump arrangements
-
- 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 an exhaust air dryer with heat recovery and condensate tray and a preferred method for its operation.
- tumble dryers are operated as exhaust air or condensation dryers.
- Condensation dryers whose operation is based on the condensation of moisture evaporated from the laundry by means of warm process air, do not require an exhaust hose and allow energy recovery from the heated process air, for example by using a heat pump.
- condensation dryers generally require that the accumulated condensate be collected and either pumped off or disposed of by manually emptying catch containers.
- exhaust air dryers In the case of exhaust air dryers, on the other hand, generally the air laden with moisture after passage through a laundry drum is passed out of the dryer, wherein heat recovery does not take place.
- exhaust air dryers with heat recovery are known (see eg the document WO-A1-2007 / 061206 ).
- the DE 30 00 865 A1 discloses a clothes dryer with heat recovery.
- the tumble dryer consists of a container receiving and moving the laundry, into which a supply air flow heated by a heating element opens, 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.
- a tumble dryer is described with a heat pump circuit, in which a supply air opening is arranged in the process air channel between the condenser and the evaporator, which is closable with a controllable closure device.
- ambient air of, for example, 20 ° C. and 60% relative humidity, so-called supply air
- supply air generally flows into the heat exchanger surfaces of an air-to-air heat exchanger and is cooled therefrom, leaving the drying chamber heated up warm process air.
- condensate is produced which is collected or pumped away in a container (condensate tray).
- a container indensate tray.
- the amount of accumulating condensate is a measure of the heat energy emitted in the heat exchanger and thus a measure of the improvement of energy efficiency.
- the object of the present invention was to provide an exhaust air dryer with high energy efficiency, in which it is unnecessary to pump off condensate formed or to empty a condensate tray.
- the invention thus relates to an exhaust air dryer with a drying chamber for objects to be dried, a supply air duct for process air, in which there is a heater for heating supply air and the heated supply air (process air) can be performed by means of a first blower on the objects to be dried, an exhaust duct, a motor for driving the drying chamber, a first heat exchanger in the exhaust duct and arranged below the first heat exchanger condensate pan, wherein the exhaust air dryer has first means for discharging warm air from a motor housing comprehensive housing interior to the condensate pan and across.
- the heating for heating the exhaust air may be, for example, an electrical resistance heater and / or a second heat exchanger.
- an electrical resistance heater and a second heat exchanger are used.
- the second heat exchanger can be an air-to-air heat exchanger, in which the warm air from the drying chamber is used for heating the process air, or the condenser of a heat pump.
- the exhaust air duct between the first heat exchanger and an exhaust outlet on an opening which due to a suction effect caused by passing through the opening exhaust air (venturi effect), the entrainment (also called “entrainment”) of allows air above the condensate tray.
- the opening is preferably located above the condensate tray.
- the aforesaid first means comprise a second fan (also termed an "evaporative fan") which directs the warm air from a housing interior comprising the engine to and from the condensate tray.
- a second fan also termed an "evaporative fan” which directs the warm air from a housing interior comprising the engine to and from the condensate tray.
- the first fan and the second fan are driven by the same motor. It is particularly preferred here that the first fan and the second fan are arranged on opposite sides of the engine. Most preferably, this motor is the motor that is also used to drive the drying chamber.
- the above-mentioned first means are, for example, an embodiment of the interior of the housing and of the air passages in the region of the engine and the supply line from the housing interior to the condensate pan, which enables effective removal of the waste heat, and finally the means for discharging the warm air, such as, for example second fan and / or a hole in the exhaust duct between the exhaust air outlet and the first heat exchanger.
- the aforesaid first means are preferably chosen so as to allow the discharge of warm air at a rate of 10 to 100 m 3 / hour.
- the dryer according to the invention has at least one first heat exchanger, by means of which the heat contained in the exhaust air is recovered in the condensate tray with the formation of condensate.
- This may be an air-to-air heat exchanger, in which the moist, hot process air from the drying chamber (drum) is used to heat supply air, which is then fed to the drying chamber.
- an evaporator of a heat pump circuit can be used as the first heat exchanger.
- a dryer equipped with a heat pump the cooling of the warm, moisture-laden process air essentially takes place in the evaporator of the heat pump, where the heat transferred is used to evaporate a refrigerant used in the heat pump cycle.
- the refrigerant of the heat pump evaporated due to the heating is supplied via a compressor to the condenser of the heat pump, where due to the condensation of the gaseous refrigerant heat is released, which is used to heat the supply air before entering the drying chamber (drum).
- the condenser of the heat pump is in the supply air duct between the first fan and the heater or between the first fan and the supply air access.
- each can form condensate.
- more than one condensate tray can be used.
- the condensate tray is preferably designed so that it can hold a sufficient amount of condensate, generally at least 0.5 I.
- the accumulating amount of condensate and thus the predetermined capacity of the condensate tray for condensate will usually depend on the efficiency of the first heat exchanger. However, at a capacity of the exhaust air dryer of 5 kg of 60% RH laundry, a capacity of at least 0.5 liters will generally be required.
- the condensate tray has second means for detecting and / or discharging a quantity of condensate exceeding a predetermined limit quantity.
- a second container may be provided, which can catch any overflowing condensate.
- an audible and / or visual warning indication can take place.
- a body having a high surface area is present in the condensate tray.
- This body is preferably a fleece.
- the evaporation of the condensate is generally particularly effective at the beginning and towards the end of a drying process, since in both cases, the loading of the process air with moisture is relatively low.
- the dryer according to the invention is preferably designed so that this residual condensate evaporates during the cooling of the dryer. This can be done, for example, in the embodiment with an opening between the exhaust air outlet and the first heat exchanger by the fact that in the presence of an external exhaust pipe - especially in windy weather - a small air flow in the area of the condensate tray.
- exhaust air and supply air and / or refrigerant in the heat pump are each passed through the corresponding heat exchangers in a crossflow or countercurrent process.
- the heating is appropriately regulated, that is to say in accordance with the invention. As the degree of drying progresses, its heat output is reduced.
- the invention also relates to a method for operating an exhaust air dryer with a drying chamber for objects to be dried, a supply air duct for process air, in which there is a heater for heating the supply air and the heated supply air (process air) by means of a first blower on the objects to be dried can be performed, an exhaust duct, a motor for driving the drying chamber, a first heat exchanger in the exhaust duct, arranged below the first heat exchanger condensate pan and first means for discharging warm air from the motor housing comprehensive housing interior to the condensate pan and across, wherein during operation of the exhaust air dryer in the condensate pan condensate by means of warm air, which consists of the motor housing comprehensive interior is led to the condensate pan and over this away, is evaporated and the resulting warm, moist air is led out of the exhaust air dryer.
- a second fan directs the warm air from the housing interior, which surrounds the engine, to the drain pan and over it.
- the warm and humid air guided over the condensate pan can be conveyed either directly into the installation room of the dryer or mixed into the exhaust air of the dryer.
- the exhaust air dryer according to the invention and the method according to the invention for its operation have the advantage that the exhaust air dryer falls into a better energy efficiency class and accumulating condensate can be transported to the outside only by removal by means of exhaust air without the need for a condensate pan or a pump to be emptied.
- the invention has the advantage that, according to the invention, the waste heat of the engine is dissipated. Due to the active cooling of the motor this can be made smaller in terms of laminated core and winding.
- the in FIG. 1 shown dryer 1 has a drum rotatable about a horizontal axis as a drying chamber 3, are mounted within which driver 4 for moving laundry during a drum rotation.
- Supply air is conducted by means of a first blower 19 from the supply air inlet 11 through a supply air duct 2 via a condenser 12 of a heat pump 12,13,14,15 as a second heat exchanger and a heater 18 through the drum 3.
- the laden with moisture process air as exhaust air is further passed through an exhaust duct 16 via an evaporator 14 of a heat pump 12,13,14,15 and an exhaust outlet 17 the installation room of the dryer 1.
- the moist, warm process air is cooled and, after condensation of the moisture contained in the process air, is conducted as exhaust air into the installation space of the dryer.
- heated air from the heater 18, ie from the side of the drum 3 opposite a door 5 is passed through the perforated bottom into the drum 3, where it comes into contact with the laundry to be dried and flows through the filling opening of the drum 3 to a lint filter 6 within a closing the filling opening door 5.
- the air flow in the door 5 is deflected downward and directed from the exhaust duct 16 to the evaporator 14 of the heat pump 12,13,14,15.
- the moisture absorbed by the process air from the items of laundry condenses there and is collected in a condensate tray 20.
- the cooled and dehumidified process air leaves the exhaust air duct 16 at the exhaust air outlet 17 as exhaust air.
- a warm air stream which originates from the surroundings of a motor 21 for driving the drum 3 and the first blower 19, is conducted via the feed line 25 via the condensate located in the condensate tray 20.
- the condensate evaporates and is continued by the warm, now humid air flow.
- the continuation of the warm humid air flow takes place at the in FIG. 1 shown embodiment through an opening 22 in the exhaust duct 16, which is located in the region of the condensate pan, preferably above the condensate pan.
- the opening 22 connects the gaseous phase on the condensate tray with the exhaust air in the exhaust duct 16 of the exhaust air dryer.
- the exhaust air guided through the opening 22 creates a suction (Venturi effect), which leads to entrainment of the warm, moist air above the condensate.
- Venturi effect the warm air flow from the environment of the Motor 21 with the aid of a second blower 23 ("evaporation fan") through the supply line 25 via the condensate contained in the condensate tray 20 condensate.
- a second blower 23 evaporation fan
- the moist, warm process air is led to the evaporator 14 of a heat pump 12, 13, 14, 15, where it is cooled.
- the refrigerant of the heat pump evaporated in the evaporator 14 is conducted to the condenser 12 via a compressor 13.
- the condenser 12 the refrigerant liquefies with release of heat to the entering through the Zu Kunststoffeingang 11 supply air in the supply air channel 2.
- the now in liquid form refrigerant is again passed through a throttle valve 15 to the evaporator 14, whereby the refrigerant circuit is closed.
- the drum 3 is in the in Fig. 1 shown embodiment at the rear bottom by means of a pivot bearing and front mounted by means of a bearing plate 7, wherein the drum 3 rests with a brim on a sliding strip 8 on the bearing plate 7 and is held at the front end.
- the control of the exhaust air dryer via a control device 10, which can be controlled by the user via an operating unit 9.
- the first blower 19, the second blower 23 and the drum 3 are driven by the same motor 21, with the first blower 19 and the second blower 23 on opposite sides of the engine 21.
- a body 26 with a large surface, preferably a fleece, is located in the condensate tray 20.
- the body 26 has the task to assist by distribution of the condensate over a large area of its evaporation.
- FIG. 2 shows a section of a further embodiment of an exhaust air dryer according to the invention.
- warm air from the housing interior, in particular the environment of the motor 21, not shown here by means of a second fan 23 ("evaporation fan") in a feed line 25 to the condensate pan 20, in which the condensate collected at the first heat exchanger 14 is collected .
- the condensate can easily evaporate due to the warm air flow.
- the evaporated condensate is carried by the warm air flow and can - in FIG. 2 not shown in detail - either discharged directly into the installation room for the exhaust air dryer or its exhaust air are mixed in the exhaust duct 16.
- Fig. 3 shows a section of a further embodiment of an exhaust air dryer according to the invention.
- the warm air from the environment of the motor 21, not shown here is conducted in a supply line 25 due to the suction effect occurring at an opening 22 in the exhaust duct 16 via the condensate located in a condensate tray 20 without the aid of a second blower.
- the evaporated condensate containing air is transported together with the exhaust air in the installation room of the exhaust air dryer.
- Fig. 3 14 means a first heat exchanger.
- FIGS. 2 and 3 can also be combined, as for example in FIG. 1 is shown.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Drying Of Solid Materials (AREA)
Claims (13)
- Séchoir à évacuation d'air (1) doté d'une chambre de séchage (3) pour des objets à sécher, d'un canal d'amenée d'air (2) pour l'air amené, dans lequel se trouve un dispositif de chauffage (12, 18) pour échauffer l'air amené et dans lequel l'air amené échauffé (air de processus) peut être guidé sur les objets à sécher au moyen d'un premier ventilateur (19), d'un canal d'évacuation d'air (16), d'un moteur (21) pour l'entraînement de la chambre de séchage (3), d'un premier échangeur de chaleur (14) placé dans le canal d'évacuation d'air (16) et d'une cuve de condensation (20) disposée en dessous du premier échangeur de chaleur (14),
caractérisé en ce que le séchoir à évacuation d'air (1) présente des premiers moyens (22, 23, 25) pour évacuer l'air chaud hors d'un espace intérieur de boîtier (27) comprenant le moteur (21) jusqu'à la cuve de condensation (20) et au-delà de celle-ci. - Séchoir à évacuation d'air (1) selon la revendication 1, caractérisé en ce que le canal d'évacuation d'air (16) présente une ouverture (22) entre l'échangeur de chaleur (14) et une sortie d'évacuation d'air (17), laquelle ouverture, en raison d'un effet d'aspiration qui se produit en raison de l'air évacué passant devant l'ouverture (22), permet l'entraînement de l'air se trouvant au-dessus de la cuve de condensation (20).
- Séchoir à évacuation d'air (1) selon la revendication 1 ou 2, caractérisé en ce que les premiers moyens (22, 23, 25) comprennent un second ventilateur (23) qui conduit l'air chaud hors d'un espace intérieur de boîtier (27) comprenant le moteur (21) jusqu'à la cuve de condensation (20) et au-delà de celle-ci.
- Séchoir à évacuation d'air (1) selon la revendication 3, caractérisé en ce que le premier ventilateur (19) et le second ventilateur (23) sont entraînés par le même moteur (21).
- Séchoir à évacuation d'air (1) selon la revendication 4, caractérisé en ce que le premier ventilateur (19) et le second ventilateur (23) sont disposés sur des côtés opposés du moteur (21).
- Séchoir à évacuation d'air (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'un corps (26) ayant une grande surface est présent dans la cuve de condensation (20).
- Séchoir à évacuation d'air (1) selon la revendication 6, caractérisé en ce que le corps (26) est un non-tissé.
- Séchoir à évacuation d'air (1) selon l'une quelconque des revendications 1 à 7, caractérisé en ce que les moyens permettent l'évacuation de l'air chaud à une vitesse de 10 à 100 m3/heure.
- Séchoir à évacuation d'air (1) selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le premier échangeur de chaleur (14) est un évaporateur (14) d'un circuit de pompe à chaleur (12, 13, 14, 15).
- Séchoir à évacuation d'air (1) selon l'une quelconque des revendications 1 à 8, caractérisé en ce que le premier échangeur de chaleur (14) est un échangeur de chaleur air-air.
- Séchoir à évacuation d'air (1) selon l'une quelconque des revendications 1 à 10, caractérisé en ce que la cuve de condensation (20) présente des seconds moyens pour identifier et/ou évacuer une quantité dépassant une quantité limite prédéfinie de produit de condensation.
- Procédé de fonctionnement d'un séchoir à évacuation d'air (1) doté d'une chambre de séchage (3) pour des objets à sécher, d'un canal d'amenée d'air (2) pour l'air du processus, dans lequel se trouve un dispositif de chauffage (12, 18) pour échauffer l'air amené et dans lequel l'air amené échauffé (air de processus) peut être guidé sur les objets à sécher au moyen d'un premier ventilateur (19), d'un canal d'évacuation d'air (16), d'un moteur (21) pour l'entraînement de la chambre de séchage (3), d'un premier échangeur de chaleur (14) placé dans le canal d'évacuation d'air (16) et d'une cuve de condensation (20) disposée en dessous du premier échangeur de chaleur (14) et de premiers moyens (22, 23, 25) pour évacuer l'air chaud hors d'un espace intérieur de boîtier (27) comprenant le moteur (21) jusqu'à la cuve de condensation (20) et au-delà de celle-ci, caractérisé en ce que lors du fonctionnement du séchoir à évacuation d'air (1), le produit condensation produit dans la cuve de condensation (20) est évaporée au moyen d'air chaud qui est guidé à partir de l'espace intérieur du boîtier (27) comprenant le moteur (21) jusqu'à la cuve de condensation (20) et au-delà de celle-ci, et en ce que l'air humide et chaud en résultant est mené hors du séchoir à évacuation d'air (1).
- Procédé selon la revendication 12, caractérisé en ce qu'un second ventilateur (23) conduit l'air chaud hors d'un espace intérieur de boîtier (27) comprenant le moteur (21) jusqu'à la cuve de condensation (20) et au-delà de celle-ci.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007052079A DE102007052079A1 (de) | 2007-10-31 | 2007-10-31 | Ablufttrockner mit Wärmerückgewinnung und Kondensatwanne sowie Verfahren zu seinem Betrieb |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2055826A1 EP2055826A1 (fr) | 2009-05-06 |
EP2055826B1 true EP2055826B1 (fr) | 2010-12-22 |
Family
ID=40427242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08105513A Active EP2055826B1 (fr) | 2007-10-31 | 2008-10-08 | Sèche-linge à évacuation d'air doté d'une récupération de chaleur et cuve de condensation ainsi que son procédé de fonctionnement |
Country Status (4)
Country | Link |
---|---|
US (1) | US20090119943A1 (fr) |
EP (1) | EP2055826B1 (fr) |
AT (1) | ATE492679T1 (fr) |
DE (2) | DE102007052079A1 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1396208B1 (it) * | 2009-10-20 | 2012-11-16 | Candy Spa | Elettrodomestico con un sistema di raffreddamento del condensatore perfezionato |
KR102063765B1 (ko) * | 2013-06-20 | 2020-03-02 | 엘지전자 주식회사 | 폐열 회수수단을 갖는 건조기 |
DE102013216748B3 (de) | 2013-08-23 | 2014-08-21 | BSH Bosch und Siemens Hausgeräte GmbH | Wäschebehandlungsgerät mit einer Aufnahmevorrichtung |
US10557229B2 (en) * | 2018-03-21 | 2020-02-11 | Haier Us Appliance Solutions, Inc. | Blockage detection in a dryer appliance |
CN113188305B (zh) * | 2021-04-30 | 2023-11-17 | 张国华 | 一种船用木材真空干燥系统的控制方法 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3032887A (en) * | 1958-05-02 | 1962-05-08 | Gen Motors Corp | Clothes drier |
US3942265A (en) * | 1974-05-09 | 1976-03-09 | General Electric Company | Dryer control arrangement |
US4103433A (en) * | 1976-11-08 | 1978-08-01 | Q-Dot Corporation | Home laundry dryer |
DE3000865A1 (de) | 1980-01-11 | 1981-07-16 | Fichtel & Sachs Ag, 8720 Schweinfurt | Waeschetrockner mit waermerueckgewinnung |
US4700492A (en) * | 1986-02-05 | 1987-10-20 | Whirlpool Corporation | Air actuated automatic lint screen cleaning system for dryer |
DE3735551C1 (de) * | 1987-10-21 | 1988-12-15 | Loh Kg Rittal Werk | Vorrichtung zum Entfernen von Tauwasser aus einem kompressorbetriebenen Kuehlgeraet |
DE3928698A1 (de) * | 1989-08-30 | 1991-03-07 | Albrecht Wulff | Trocknungsverfahren und waeschetrockner zur durchfuehrung des verfahrens |
DE4023000C2 (de) | 1990-07-19 | 2003-02-27 | Bsh Bosch Siemens Hausgeraete | Wäschetrockner mit einem Wärmepumpenkreis |
DE19743509A1 (de) * | 1997-10-01 | 1999-04-08 | Bosch Siemens Hausgeraete | Haushalt-Wäschetrockner mit einem Wäschefeuchtigkeit abführenden Prozeßluft-Kreis |
SI1516953T1 (sl) * | 2003-09-22 | 2008-02-29 | Electrolux Home Prod Corp | Gospodinjski stroj za susenje perila kondenzacijskega tipa z nizko glasnostjo |
EP1564325B1 (fr) * | 2004-02-10 | 2018-04-11 | Electrolux Home Products Corporation N.V. | Sèche-linge amélioré avec possibilité de lisser des habits |
JP4783125B2 (ja) * | 2005-11-17 | 2011-09-28 | 株式会社東芝 | 衣類乾燥機 |
US20080289212A1 (en) * | 2005-11-24 | 2008-11-27 | Jung-Wook Moon | Clothes Dryer |
DE102005062616B4 (de) * | 2005-12-23 | 2021-10-28 | Dbk David + Baader Gmbh | Durchlaufverdunster zum Abtransport einer Flüssigkeit |
DE102007011809A1 (de) * | 2007-03-12 | 2008-09-18 | BSH Bosch und Siemens Hausgeräte GmbH | Trockner mit Wärmerückgewinnung sowie Verfahren zu seinem Betrieb |
-
2007
- 2007-10-31 DE DE102007052079A patent/DE102007052079A1/de not_active Withdrawn
-
2008
- 2008-10-08 AT AT08105513T patent/ATE492679T1/de active
- 2008-10-08 EP EP08105513A patent/EP2055826B1/fr active Active
- 2008-10-08 DE DE502008002062T patent/DE502008002062D1/de active Active
- 2008-10-30 US US12/290,485 patent/US20090119943A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
ATE492679T1 (de) | 2011-01-15 |
US20090119943A1 (en) | 2009-05-14 |
DE502008002062D1 (de) | 2011-02-03 |
DE102007052079A1 (de) | 2009-05-07 |
EP2055826A1 (fr) | 2009-05-06 |
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