EP2141279B1 - Wäschetrockner mit Kondensationseinrichtung - Google Patents

Wäschetrockner mit Kondensationseinrichtung Download PDF

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Publication number
EP2141279B1
EP2141279B1 EP09007445A EP09007445A EP2141279B1 EP 2141279 B1 EP2141279 B1 EP 2141279B1 EP 09007445 A EP09007445 A EP 09007445A EP 09007445 A EP09007445 A EP 09007445A EP 2141279 B1 EP2141279 B1 EP 2141279B1
Authority
EP
European Patent Office
Prior art keywords
valve
tumble dryer
receiving vessel
condensing
valve chamber
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
EP09007445A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2141279A1 (de
Inventor
Jürgen RÖSCH
Heribert Kreiß
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP2141279A1 publication Critical patent/EP2141279A1/de
Application granted granted Critical
Publication of EP2141279B1 publication Critical patent/EP2141279B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/24—Condensing arrangements

Definitions

  • the invention relates to a condensation dryer with a rotatably mounted in a housing drum, a fan for generating a process air stream, which is intended to flow through the drum and a condenser, which is a collecting vessel for collecting the resulting during the drying process condensation liquid, and a collecting container which is connected by means of a conduit to the collecting vessel, wherein the collecting container is arranged in a trough which is connected by means of a drain to the collecting vessel.
  • Such a dryer is from the DE 43 00 694 C2 or the EP 0 731 203 B1 known.
  • the condensate accumulating during the condensation process is collected in a collecting vessel and conveyed by means of a pump into the collecting tank.
  • the sump is located in a tub that contains a drain to the collecting vessel. This can be collected from the reservoir condensate leaking and specifically discharged into the collecting vessel. From the DE 43 00 694 C2 It is also known to run the process narrows, so that certain causes of failure can be determined clearly.
  • the process air flow is connected to the environment via the drain, so that room air is sucked into the already dry process air or if there is an overpressure in the condenser area, some of the process air from the dryer penetrates into the room. This can lead to losses or reduce the effectiveness of the dryer and / or increase the humidity of the room air in the installation room of the dryer.
  • the invention is therefore based on the object to provide a condensation dryer with improved effect of the process air flow, or in which the known disadvantages are eliminated.
  • the drain has a valve which closes the drain to the collecting vessel at least almost airtight and can release the connection to the collecting vessel by means of liquid flowing through the drain.
  • the valve thus seals off the collecting vessel, which communicates with the process air flow and in which there is a negative pressure or an overpressure, from the external pressure in the installation room.
  • the valve is mounted in close proximity or directly on or in the collecting vessel.
  • the collecting vessel integrated in a floor module can also be attached or formed in a simple manner, whereby the connection takes place by means of channels formed in the floor module.
  • the drain is closed by the valve when the valve is at rest. As a result, no actuators are necessary to bring or hold the valve in the closed state.
  • the valve comprises a separate, separate from the collecting vessel valve chamber having an inlet opening and an outlet opening, in which a movable closure body for opening or closing the inlet opening and / or the outlet opening is arranged. Due to the separate arrangement, the movement space for the movable closure body can be provided in the chamber without deposits from the collecting vessel impairing the valve function.
  • the inlet opening is arranged at the bottom of the valve chamber, so that the closure body can be moved by means of inflowing liquid from the rest position into the open position.
  • the closure body can be moved by means of inflowing liquid from the rest position into the open position.
  • a storage chamber is arranged below the valve chamber or the inlet opening, which has a connection nozzle for the process.
  • a deflection of the sequence is made from the top of the device coming about 180 directed upward, so that the closure body is flown from the bottom through the inlet opening when liquid flows through the drain. All directions refer to the operational installation position of the tumble dryer.
  • the valve chamber it is expedient for the valve chamber to be shaped substantially cylindrically, in which the closure body is guided substantially vertically movably.
  • valve chamber inside extending vertically extending webs are arranged circumferentially, which serve to guide the closure body.
  • the closure body is expediently cylindrical, so that it can not tilt or tilt within the valve chamber.
  • the closure body has a conical tip.
  • a condensate pump for conveying the condensation liquid from the collecting vessel to the collecting container. This ensures that there is no overflow in the collecting vessel during normal operation. Furthermore, it is particularly advantageous to use said overflow device in a condensation dryer with a heat pump for generating the process air flow, since in this case the process air circulation must be particularly well sealed off from the room air in order to achieve good efficiency or low humidity in the To give room air.
  • the tumble dryer 1 according to Fig. 1 comprises a housing 2, in which a rotatable drum 3 is mounted, in which the laundry to be treated can be introduced.
  • the drum opening 3 a can be closed by means of the door 4.
  • the bottom module 9 which contains the necessary components for generating the process air 7, such as condensation device 8, heater 6 and the fan 5.
  • the bottom module 9 further comprises the collecting vessel 10 for the condensation liquid or water formed during the drying process, which is pumped by means of the pump 13 via the line 12 to the collecting container 11.
  • the collecting container 11 is arranged in a trough 16, which is connected to the collecting vessel 10 via a drain 15, which comprises a tube or hose.
  • a valve 14 is mounted, in which the outlet 15 opens and closes the outlet 15 to the collecting vessel 10.
  • the collecting vessel 10 is an open-topped shell which is arranged below the condenser 8, so that it can collect condensate accumulating in the condenser 8. Thus, no secondary air passes through the process 15 in the process air stream 7, a valve 14 is mounted on the collecting vessel 10 and between the drain 15 and the collecting vessel 10, which in the normal Operating case is closed, whereby no secondary air from the drain can get into the process air.
  • the floor module 9 in a clothes dryer 1 with heat pump includes the necessary components for a dryer of this type, such as compressor, heat exchanger and the piping for the refrigerant.
  • Fig. 2 shows the valve 14 in normal operation, so if no liquid from the tub 16 (FIG. Fig.1 ) runs through the overflow 15 to the collecting vessel 10.
  • the valve 14 includes a cylindrically shaped valve chamber 19 containing the inlet port 21 in the bottom 19a and the outlet port 22 laterally.
  • the valve chamber 19 of the closure body 20 In the valve chamber 19 of the closure body 20 is inserted, which can be moved in the axial direction, based on the cylindrical orientation of the valve chamber 19.
  • Below the valve chamber 19 is a storage chamber 18, in which opens from the top of the drain 15, in which case a nozzle 17 is attached to which a functioning as a drain 15 hose is attached and fixed. It can be seen that the closure body 20 rests on the bottom 19 a of the valve chamber 19 and thus closes the inlet opening 21.
  • Fig. 3 shows. the valve 14 in the open state when liquid passes through the outlet 15 into the collecting vessel 10. Due to the dynamic pressure in the outlet 15, a pressure in the stagnation chamber 18 is generated, as a result of which the fluid is forced through the inlet opening 21 into the valve chamber 19. By the pressure of the closure body 20 is lifted from its bottom-side system, whereby the liquid can flow through the inlet port 21 into the valve chamber 19.
  • the lateral outlet opening 22 is also open, so that the water flowing into the valve chamber 19 out through the outlet opening 22 to the collecting vessel 10 or via a channel 24 or a channel system to the condensate pump 13 (FIGS. Fig. 1 ) flows.
  • the direction of flow through the valve 14 is sketched here by the arrow 25.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
EP09007445A 2008-07-03 2009-06-05 Wäschetrockner mit Kondensationseinrichtung Not-in-force EP2141279B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008031169A DE102008031169B4 (de) 2008-07-03 2008-07-03 Wäschetrockner mit Kondensationseinrichtung

Publications (2)

Publication Number Publication Date
EP2141279A1 EP2141279A1 (de) 2010-01-06
EP2141279B1 true EP2141279B1 (de) 2010-08-18

Family

ID=41131586

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09007445A Not-in-force EP2141279B1 (de) 2008-07-03 2009-06-05 Wäschetrockner mit Kondensationseinrichtung

Country Status (4)

Country Link
EP (1) EP2141279B1 (es)
AT (1) ATE478186T1 (es)
DE (2) DE102008031169B4 (es)
ES (1) ES2349229T3 (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013094325A (ja) * 2011-10-31 2013-05-20 Samsung Yokohama Research Institute Co Ltd 乾燥機
DE102013102182B4 (de) 2013-03-06 2015-06-11 Miele & Cie. Kg Wäschetrockner mit einer Kondensationseinrichtung
KR20210020403A (ko) * 2019-08-14 2021-02-24 엘지전자 주식회사 의류 처리장치
EP4219822A1 (en) 2022-01-26 2023-08-02 BSH Hausgeräte GmbH Dryer with high air tigthness of a process air circuit and process for operating the dryer
EP4219823A1 (en) 2022-01-26 2023-08-02 BSH Hausgeräte GmbH Dryer with improved air tigthness of a process air circuit and process for operating the dryer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3204396C2 (de) * 1982-02-09 1983-12-08 Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart Haushalt-Wäschetrockner mit einem oben angeordneten Kondensat-Sammelbehälter
DE4300694C2 (de) 1993-01-13 2000-02-10 Bsh Bosch Siemens Hausgeraete Wäschetrockner mit einer Kondensationseinrichtung
DE4304226C5 (de) 1993-02-12 2004-03-04 Miele & Cie. Kg Kondensationswäschetrockner mit einer Wärmepumpe
IT1275877B1 (it) 1995-03-09 1997-10-24 Candy Spa Asciugabiancheria a condensazione con recupero di condensa in contenitore
DE102006005811A1 (de) * 2006-02-08 2007-08-16 BSH Bosch und Siemens Hausgeräte GmbH Wäschetrockner mit einer Bodengruppe

Also Published As

Publication number Publication date
EP2141279A1 (de) 2010-01-06
ES2349229T3 (es) 2010-12-29
DE102008031169A1 (de) 2010-01-07
ATE478186T1 (de) 2010-09-15
DE502009000066D1 (de) 2010-09-30
DE102008031169B4 (de) 2010-03-18

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