EP1987189B1 - Dispositif de nettoyage conçu pour un composant d'un sèche-linge domestique - Google Patents

Dispositif de nettoyage conçu pour un composant d'un sèche-linge domestique Download PDF

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Publication number
EP1987189B1
EP1987189B1 EP07703782A EP07703782A EP1987189B1 EP 1987189 B1 EP1987189 B1 EP 1987189B1 EP 07703782 A EP07703782 A EP 07703782A EP 07703782 A EP07703782 A EP 07703782A EP 1987189 B1 EP1987189 B1 EP 1987189B1
Authority
EP
European Patent Office
Prior art keywords
drive rod
laundry dryer
sealing elements
cleaning brush
domestic laundry
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
EP07703782A
Other languages
German (de)
English (en)
Other versions
EP1987189A1 (fr
Inventor
Klaus Grunert
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 EP1987189A1 publication Critical patent/EP1987189A1/fr
Application granted granted Critical
Publication of EP1987189B1 publication Critical patent/EP1987189B1/fr
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 
    • D06F58/22—Lint collecting 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 a household laundry dryer comprising a cleaning device for a arranged within a process air cycle of household laundry dryer component specified in the preamble of claim 1.
  • Such a cleaning device is for example from the EP 0 468 573 A1 to be known, in which a designed as a working medium evaporator heat exchanger is freed by means of a designed as a flat brush cleaning brush of lint or the like dirt, which is to move along an end face of the evaporator.
  • a designed as a working medium evaporator heat exchanger is freed by means of a designed as a flat brush cleaning brush of lint or the like dirt, which is to move along an end face of the evaporator.
  • Object of the present invention is to improve a cleaning device of the type mentioned so that a high reliability, in particular of the drive mechanism for the cleaning brush is given.
  • the drive rod of the cleaning brush is to be moved along a guide of the drive mechanism, which is protected by at least two flexible sealing elements against lint or the like dirt, between which the drive rod is guided and to move along the guide of the drive mechanism.
  • the drive mechanism via a seal assembly with at least two flexible sealing elements so that on the one hand the drive rod can be moved along its guide, but on the other hand, a reliable protection of the drive mechanism against lint or the like dirt is guaranteed.
  • the two flexible sealing elements in the covering area with the guide for the drive levels are either overlapping or butt-end abutting each other. In any case, however, the two sealing elements are so dimensioned and arranged to each other that the drive mechanism and its guide for the drive rod are particularly well protected against contamination by lint or the like.
  • the overlapping arrangement of the flexible sealing elements in the area of the passage of the drive rod has proved to be particularly suitable to - reliably avoid - with a kind of labyrinth seal - the ingress of lint or the like dirt in the drive mechanism.
  • a passage of lint or the like dirt particles between the two flexible sealing elements can be avoided in a particularly secure manner, if the width of the overlap corresponds at least approximately to the diameter of the drive rod of the cleaning brush.
  • the two flexible sealing elements in the region of the leadthrough of the drive rod can also butt against one another. This results in a particularly flat sealing arrangement of the flexible sealing elements, so that in particular in the area of the passage of the drive rod no lint or the like dirt particles can settle.
  • a through hole introduced within the sealing elements through which the drive rod is passed in the rest position.
  • the two sealing elements are cut free in the rest position of the cleaning brush in the drive axle, so that the sealing elements lie smoothly in this position and can not deform permanently.
  • a control device is provided, via which the process air cycle of the household tumble dryer is to be switched off during the cleaning of the component.
  • the component should preferably be cleaned only when the process air is switched off and accordingly no lint or the like dirt are conveyed in the cleaning phase. This ensures that as few lint or the like dirt particles can come into contact with the drive mechanism of the cleaning device.
  • the two flexible sealing elements can be particularly easily produced and arranged to each other so that no lint or the like dirt particles can pass through the seal assembly formed in the region of the drive mechanism.
  • FIG. 1 is a schematic side view of a detail of a channel 10 of a operated in a flow direction 12 process air circuit of a household laundry dryer, within which a heat exchanger assembly 14 with a working medium evaporator 16 and a Häffenverdivider 18 are arranged.
  • the channel 10 is shown cut open.
  • the moist-warm process air of the household laundry drier exiting from a laundry drum, not shown, first flows through a lint filter 20, by means of which a predominant part of the lint that is entrained when the laundry drum flows through or similar dirt particles can be deposited.
  • the moist, warm process air After flowing through the lint filter 20, the moist, warm process air reaches the working medium evaporator 16, where it is correspondingly cooled and dried by condensation.
  • the condensate which in this case arises in the region of the working medium evaporator 16 flows via an outlet opening 22 to an outlet line 24, from where it is pumped off as process water by means of a pump (not shown).
  • a receiving tray 26 In the overlap area with the outlet opening 22, a receiving tray 26 is provided, in which can be deposited within the condensate lint or the like dirt particles.
  • the receiving tray 26 is accordingly to be removed and cleaned from time to time.
  • the cooled and dried over the working medium evaporator 16 process air then passes to the working fluid condenser 18, where it is heated again and conveyed back to the laundry drum by means of a blower, not shown.
  • FIG. 2 shows FIG. 2 in a schematic and fragmentary plan view of a drive rod 28 of a drive mechanism 30 rotationally driven cleaning brush 32, which - as from FIG. 1 recognizable - is to be moved in the vertical direction at least approximately along the entire front end face 34 of the working medium evaporator 16 according to the arrow 36 between an upper and a lower end position.
  • the drive mechanism comprises in each case on both sides of the channel 10 in the vertical direction extending guides 38, via which the drive rod 28 is guided with its two ends.
  • One of the two guides 38 comprises an in FIG. 2 recognizable rack 40 in which a gear 42 of the drive mechanism 30 meshes.
  • the gear 42 is driven by a motor 42 with countershaft, which is also arranged at the end of the drive rod 28.
  • the motor 42 ensures both the rotational movement of the cleaning brush 32 as well as their translational movement along the front end face 34 of the working medium evaporator 16 and along the guides 38.
  • the front end face 34 of the working medium evaporator 16 at least approximately completely can be cleaned of lint or the like dirt, bulges 46 are introduced on top and bottom of the channel 10, in which the round brush 32 can dip.
  • the round brush 32 with its bristles, cloths or the like can dive into the working medium evaporator 16 at a certain depth from the end face 34 forth.
  • the round brush 32 can dip into the working medium evaporator 16 at least as far as a working medium pipe 50, since, according to experience, very much condensate and accordingly lint or the like dirt particles settle in the area of the working medium pipes 50.
  • FIGS. 3a and 3b each in a schematic plan view of the seal assembly 54 along the line III - III in FIG. 2 .
  • FIGS. 3a and 3b each a sectional view through the seal assembly 54 and through the Drive rod 28 - along the lines of intersection in the left representations of the seal assembly 54 - shown.
  • the sealing arrangement 54 essentially comprises two flexible sealing elements 56, 58, which in the present exemplary embodiment consist of two film strips of flexible plastic.
  • the two sealing elements 56, 58 are in each case as flat strips in the region of a passage 60 (FIG. FIG. 2 ) of the drive rod 28 formed overlapping.
  • the two sealing elements 56, 58 are preferably flat and flat.
  • the width of the overlap of the flexible sealing elements 56, 58 corresponds to the diameter of the drive rod 28.
  • the two sealing elements 54, 55 are fixed with their passage 60 facing away from the longitudinal ends 62 on the wall of the channel 10. It is clear that the overlap between the two sealing elements 56, 58 should extend at least approximately parallel or in register with the guides 38 of the drive rod 28 or the cleaning brush 32.
  • the length of the flexible sealing elements 56, 58 is dimensioned such that the cleaning brush 32 is at least approximately complete along the end face 34 of the working medium evaporator 16. Accordingly, in the present embodiment, the two seal members 56, 58 must be at least about as long as the vertically extending guides 38 at the front and rear ends of the cleaning brush 32.
  • FIG. 3b It can be seen that in a rest position of the round brush 32 within the two sealing elements 56, 58 - in the region of the passage of the drive rod 28 - a through hole is provided so that the sealing elements 56, 58 in this rest position of the cleaning brush 32 smoothly abut each other and not lasting can deform.
  • each of the central longitudinal ends 64 of the two sealing elements 56, 58 introduced an approximately semicircular recess, which complement each other in the overlap region or in the region of the passage 60 of the drive rod 28 to a circular passage opening 66 through which the drive rod 28 passed is. Since the cleaning brush 32 preferably has its rest position in an upper or lower end position within the bulges 46 (FIG. FIG.
  • the through hole 66 is preferably provided at the upper or lower end of the seal assembly 54.
  • the cleaning device is here with a control device, not shown connected, via which the process air circuit of the household laundry dryer is turned off during cleaning of the working medium evaporator 16 or remains. In this way, it is to be avoided that in the cleaning phase of the working medium evaporator 16 lint or the like dirt are conveyed via the process air.
  • the drive rod 28 forces the two sealing elements 56, 58 apart in the region of their respective central longitudinal end 64. Since the cleaning of the working medium evaporator 16 is completed relatively quickly, no plastic deformation of the two sealing elements 56, 58 is to be feared by the pressing apart.
  • the middle longitudinal ends 64 bulge here - as from the sectional view in FIGS. 3a recognizable - in the region of the passageway 60 preferably upwards, so that no condensate or the like can get into the drive mechanism 30.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Cleaning In General (AREA)
  • Washing And Drying Of Tableware (AREA)
  • Control Of Washing Machine And Dryer (AREA)

Claims (10)

  1. Sèche-linge domestique comprenant un dispositif de nettoyage pour un composant (16) disposé à l'intérieur d'un circuit d'air de processus du sèche-linge domestique, en particulier pour un échangeur de chaleur, avec une brosse de nettoyage (32) à déplacer le long du composant (16) au moyen d'une bielle de commande (28) d'un mécanisme de commande (30), dans lequel la bielle de commande (28) de la brosse de nettoyage (32) doit être déplacée le long d'un guide (38) du mécanisme de commande (30), caractérisé en ce que le mécanisme de commande (30) est protégé contre les peluches et salissures semblables via au moins deux éléments d'étanchéité flexibles (56, 58), entre lesquels la bielle de commande (28) est passée et doit être déplacée le long du guide (38).
  2. Sèche-linge domestique selon la revendication 1, caractérisé en ce que la brosse de lavage (32) est exécutée sous forme de brosse circulaire entraînée en rotation via la bielle de commande (28).
  3. Sèche-linge domestique selon la revendication 1 ou 2, caractérisé en ce que les éléments d'étanchéité flexibles (56, 58) se chevauchent dans la zone du passage (60) de la bielle de commande (28).
  4. Sèche-linge domestique selon la revendication 3, caractérisé en ce que la largeur du chevauchement des éléments d'étanchéité flexibles (56, 58) correspond à peu près au diamètre de la bielle de commande (28).
  5. Sèche-linge domestique selon l'une des revendications précédentes, caractérisé en ce que les éléments d'étanchéité flexibles (56, 58) butent l'un contre l'autre en formant un angle obtus dans la zone du passage (60) de la bielle de commande (28).
  6. Sèche-linge domestique selon l'une des revendications précédentes, caractérisé en ce que les éléments d'étanchéité flexibles (56, 58) présentent en une position de repos de la bielle de commande (28) une ouverture de passage (66) dans la zone de leur passage (60).
  7. Sèche-linge domestique selon l'une des revendications précédentes, caractérisé en ce que la longueur des éléments d'étanchéité flexibles (56, 58) est dimensionnée de sorte que la brosse de nettoyage (32) est à déplacer au moyen d'une mécanique de commande (30) au moins approximativement intégralement le long d'une face frontale (34) du composant (16).
  8. Sèche-linge domestique selon l'une des revendications précédentes, caractérisé en ce qu'une installation de commande est prévue, via laquelle le circuit d'air de processus du sèche-linge domestique est à déconnecter durant le nettoyage du composant (16).
  9. Sèche-linge domestique selon l'une des revendications précédentes, caractérisé en ce que la brosse de nettoyage (32) est disposée avant le composant (169) dans le sens d'écoulement (12) du circuit d'air de processus.
  10. Sèche-linge domestique selon l'une des revendications précédentes, caractérisé en ce que la brosse de nettoyage (32) est à déplacer selon un mouvement translatoire.
EP07703782A 2006-02-17 2007-01-11 Dispositif de nettoyage conçu pour un composant d'un sèche-linge domestique Not-in-force EP1987189B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006007442A DE102006007442A1 (de) 2006-02-17 2006-02-17 Reinigungsvorrichtung für ein Bauteil eines Haushaltswäschetrockners
PCT/EP2007/050237 WO2007093467A1 (fr) 2006-02-17 2007-01-11 Dispositif de nettoyage conçu pour un composant d'un sèche-linge domestique

Publications (2)

Publication Number Publication Date
EP1987189A1 EP1987189A1 (fr) 2008-11-05
EP1987189B1 true EP1987189B1 (fr) 2010-04-07

Family

ID=38288778

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07703782A Not-in-force EP1987189B1 (fr) 2006-02-17 2007-01-11 Dispositif de nettoyage conçu pour un composant d'un sèche-linge domestique

Country Status (5)

Country Link
US (1) US8490294B2 (fr)
EP (1) EP1987189B1 (fr)
AT (1) ATE463610T1 (fr)
DE (2) DE102006007442A1 (fr)
WO (1) WO2007093467A1 (fr)

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ATE388264T1 (de) * 2005-03-14 2008-03-15 Electrolux Home Prod Corp Haushaltswäschetrockner mit dazugehörigem flusenfilter
US7658804B1 (en) * 2005-04-18 2010-02-09 Jose Cano Duct brush and duct cleaning system
US20060249177A1 (en) * 2005-05-09 2006-11-09 Guajardo George R Duct Cleaning Brush
US7921578B2 (en) * 2005-12-30 2011-04-12 Whirlpool Corporation Nebulizer system for a fabric treatment appliance
US7665227B2 (en) * 2005-12-30 2010-02-23 Whirlpool Corporation Fabric revitalizing method using low absorbency pads
US20070174982A1 (en) * 2006-01-27 2007-08-02 Chen-Ju Lin Brush holding device for a wafer cleaning brush
DE102006007442A1 (de) * 2006-02-17 2007-08-23 BSH Bosch und Siemens Hausgeräte GmbH Reinigungsvorrichtung für ein Bauteil eines Haushaltswäschetrockners
GB2440716A (en) * 2006-08-08 2008-02-13 Dyson Technology Ltd A cleaner head assembly for a vacuum cleaner
US7743683B2 (en) * 2006-08-15 2010-06-29 Umagination Labs, L.P. Systems and methods of a power tool system with interchangeable functional attachments powered by a direct rotational drive
KR100887985B1 (ko) * 2006-10-13 2009-03-09 송유진 커피 볶음기 및 그 제어방법
EP1959048B1 (fr) * 2007-02-15 2009-04-08 Electrolux Home Products Corporation N.V. Machine de séchage de vêtements avec arrangement amélioré d'injection de vapeur
KR20090049021A (ko) * 2007-11-12 2009-05-15 올림푸스 메디칼 시스템즈 가부시키가이샤 내시경 세정 소독 장치
DE102008010517A1 (de) * 2008-02-22 2009-09-03 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät zum Trocknen von Wäsche, welches ein von Prozessluft umströmbares Bauteil aufweist
US8356376B2 (en) * 2008-06-18 2013-01-22 Tokyo Electron Limited Substrate cleaning apparatus, substrate cleaning method, and storage medium
US8201345B2 (en) * 2008-07-02 2012-06-19 Whirlpool Corporation Method for operating a cleanout cycle in a dispensing dryer
DE102008054693A1 (de) * 2008-12-16 2010-06-17 BSH Bosch und Siemens Hausgeräte GmbH Kondensationstrockner sowie Verfahren zu seinem Betrieb

Also Published As

Publication number Publication date
DE102006007442A1 (de) 2007-08-23
EP1987189A1 (fr) 2008-11-05
US8490294B2 (en) 2013-07-23
WO2007093467A1 (fr) 2007-08-23
DE502007003398D1 (de) 2010-05-20
US20100223741A1 (en) 2010-09-09
ATE463610T1 (de) 2010-04-15

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