EP2072660B1 - Appareil ménager destiné à l'entretien de pièces de linge et procédé destiné à enlever des peluches - Google Patents

Appareil ménager destiné à l'entretien de pièces de linge et procédé destiné à enlever des peluches Download PDF

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Publication number
EP2072660B1
EP2072660B1 EP08105843A EP08105843A EP2072660B1 EP 2072660 B1 EP2072660 B1 EP 2072660B1 EP 08105843 A EP08105843 A EP 08105843A EP 08105843 A EP08105843 A EP 08105843A EP 2072660 B1 EP2072660 B1 EP 2072660B1
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EP
European Patent Office
Prior art keywords
lint
rinsing liquid
domestic appliance
collecting container
filter
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
Application number
EP08105843A
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German (de)
English (en)
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EP2072660A1 (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.)
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Publication date
Application filed by BSH Bosch und Siemens Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Priority to PL08105843T priority Critical patent/PL2072660T3/pl
Publication of EP2072660A1 publication Critical patent/EP2072660A1/fr
Application granted granted Critical
Publication of EP2072660B1 publication Critical patent/EP2072660B1/fr
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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
    • D06F58/20—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 appliance for the care of laundry, with a process air guide, through which an air flow through a drum for receiving the laundry can be conducted and which comprises a screen for the separation of lint from the air stream, and with a device for removing the lint from the screen , Furthermore, the invention relates to a method for removing lint, which are collected at a sieve arranged in a process guide of a domestic appliance for the care of laundry and partially removed by a device for removing lint from the screen.
  • a household appliance with the characteristics of the generic term is off EP-A-1669487 and US 2007/022 790 A1 known.
  • EP 1 788 140 A1 From the scriptures EP 1 788 140 A1 .
  • EP 1 788 141 A2 and EP 1 788 141 A2 a device for drying laundry by means of an air flow is known.
  • a sieve for filtering lint from an air flow of the process air guide is arranged in the region of a bearing plate.
  • the lint collected in the process air duct on the screen is stripped off the screen fabric of the lint filter and stored in a container arranged adjacent to the doctor blade and to the screen.
  • this container is relatively small due to the space available in the area of the squeegee. It can be used to collect lint from about 7 to 10 drying processes.
  • the lint Since the lint is stored in the dry state, they occupy a relatively large volume. On the one hand, the accessibility to the collecting container is restricted in these dryers, and on the other hand, the collecting volume is limited by its arrangement in a space-limited zone of the dryer, resulting in a relatively frequent maintenance interval for disposal of the lint from the container.
  • An inventive domestic appliance for the care of items of laundry comprises a process air guide, through which a stream of air through a drum of the household appliance, in which the laundry items to be treated are introduced, can be conducted.
  • the domestic appliance comprises a sieve associated with the process air guide for separating or filtering lint from the air flow, and moreover has a device for removing the lint from the sieve. This lint removing device is specifically designed so that lint collected on the screen outside the process air duct or outside the air stream can be removed.
  • the device for removing lint comprises a rinsing device with which these lintings arranged outside the process air guide or lint outside the air flow can be rinsed off the screen by means of rinsing liquid.
  • the domestic appliance comprises a doctor blade by means of which the lint collected on the sieve in the process air guide can be removed.
  • the lint is collected by pressing the blade edge on the screen outside the process air duct.
  • the squeegee is thus designed to be provided for the removal of the lint from the wire whereby only a portion of the lint can be removed by the operation of the squeegee.
  • Another part of the lint is conveyed to the edge of the screen outside the process air duct, in particular by the squeegee, where it remains suspended on the wire.
  • the household appliance thus preferably comprises the device for removing the lint and the doctor blade formed separately therefrom.
  • the lint located locally on the wire or the lint delivered thereon can be effectively removed.
  • the doctor can, for example, according to the embodiment in the EP 1 788 141 A2 be designed as a push band.
  • other embodiments of a squeegee are possible.
  • the rinsing liquid of the rinsing device is a condensate accumulated during operation of the domestic appliance.
  • a waste product of the household appliance can thus be used appropriately.
  • the lint removed by the rinsing liquid can be conducted into a bottom group of the household appliance.
  • a collection container is arranged in the bottom group, which is designed to receive the rinsing liquid loaded with lint and to filter the lint from the rinsing liquid.
  • This is a particularly advantageous embodiment, since usually more space for the collecting container is available in the bottom group. This allows it to be made larger, resulting in longer maintenance intervals with regard to the removal of the lint.
  • the lint is thus not stored or not only in the area of the doctor blade, but transported by purging with condensed water in the area of the floor group.
  • the removal of the locally specifically deposited lint with rinsing liquid also has the advantage that, due to the moistening of the lint, they have a significantly lower volume than dry lint and collected lint.
  • the collecting container has an outlet through which the lint-filtered rinsing liquid can be diverted from the collecting container.
  • the lint-filtered rinsing liquid can be diverted from the collecting container into the floor group.
  • a relatively large volume for receiving condensate and rinsing liquid is available, which can then preferably be pumped off via a pump.
  • a pumping out of the domestic appliance can be provided in a trap or siphon and thus the liquid in an external to the domestic appliance Wastewater disposal network are derived.
  • the condensate and the rinsing liquid are pumped into a specially designated container, which can be removed by a user of the domestic appliance to dispose of the liquid collected therein in a sink or the like.
  • the collecting container arranged in the floor assembly is non-destructively detachable and thus arranged reversibly releasably in the floor assembly. This allows easy removal for disposal of the lint from the sump.
  • the collecting container has a filter device for filtering the lint from the rinsing liquid, which is arranged detachably in or on the collecting container and is permeable to the rinsing liquid. In such an embodiment, it is then no longer necessary that the entire collection container must be removed from the domestic appliance, but it is sufficient to remove the filter device. It is particularly advantageous in this context that the filter device can be disposed of in a simple and environmentally friendly manner with the filtered lint and a new filter device can be used in the collecting container in a simple and low-effort manner.
  • a lint bag may be provided, which is flexible and, for example, similar to the principle of a coffee filter or tea filter works.
  • Another advantage of such a design with a removable filter device and the collecting container is the fact that a user of the household appliance then does not have to touch the collected lint directly to be able to dispose of them from the sump. This therefore has hygienic advantages.
  • maintenance intervals allows disposal of these lint, which allows a significantly larger number of drying processes without emptying the lint, as are guaranteed in the prior art can.
  • Maintenance intervals at a regular Operation of the household appliance in this context can be extended to one to six months.
  • a method for removing lint these are collected at a sieve arranged in regions in a process air duct of a domestic appliance for the care of laundry items.
  • the lint is removed from the screen by a lint removal device.
  • the lint collected outside the process air duct on the screen is removed by a flushing device associated with the device by passing a rinsing liquid to the specific area of the screen and rinsing the lint from the screen.
  • the lint which are removed by the device, collected by the operation of a doctor blade, which is provided as an additional unit for removing the lint to the device in the household appliance, the edge of the screen outside the process air duct or the air flow.
  • the lint collected in the sieve in the process air guide is thus removed from the sieve by the doctor, in which process additionally lint is deposited on the edge of the sieve.
  • the device is provided, which removes the lint attached there separately to the doctor blade by means of the rinsing of these peripheral regions of the sieve.
  • the rinsing liquid loaded with lint washed down by the sieve is conducted into a bottom group of the domestic appliance.
  • the rinsing liquid loaded with lint is conducted in a collecting container arranged in the bottom group, by filtering the lint out of the rinsing liquid.
  • This can be made larger in terms of volume due to the larger space in the floor assembly, so that it can accommodate a larger amount of lint.
  • the maintenance intervals for disposing of the lint from the collecting container can be substantially extended.
  • the lint also has a much smaller volume than if it were disposed of dry and collected. Also, this can be increased in the collecting container to be collected amount of lint.
  • the lint-filtered rinsing liquid is discharged through an outlet in the collecting container, in particular diverted into the bottom group.
  • the filtering out of the rinsing liquid thus takes place automatically, wherein, moreover, a preferred automatic discharge of the rinsing liquid cleaned by the lint can also take place.
  • the lint is filtered in a filter device of the collecting container from the rinsing liquid, which can be released from the collecting container and is permeable to the rinsing liquid.
  • FIGURE shows a schematic sectional view of a domestic appliance according to the invention.
  • the domestic appliance for the care of items of laundry as shown in the figure is designed as a condensation dryer I.
  • the condensation dryer I comprises a drum 2, which is designed to receive laundry items 1 to be dried.
  • the drum 2 is rotatably mounted about a horizontal axis 3.
  • the condensation dryer I comprises a process air guide, which is designed as a closed process air cycle.
  • the process air guide comprises a falling section 4, which merges into a horizontal section 5, which again enters a rising section 6.
  • the guided in the process air flow air flow P is guided in the duct system 4, 5, 6 of the process air duct, wherein the falling section 4 extends partially in a bearing plate 7 of the condensation dryer 1.
  • a sieve 8 is positioned in the falling section 4 of the process air guide, which is arranged in the end shield 7. With the sieve 8 lint 9 contained in the air flow P are screened.
  • the lint 9 are snatched out of the laundry items 1 through the drum 2 when flowing through the air flow P and are filtered out by the sieve 8 by flowing in the direction of the arrow display in the process air.
  • the lint 9 remain hanging essentially in the process air in the sieve 8.
  • a heat exchanger 10 is provided, in which the air flow P is cooled to the condensation of the entrained water vapor.
  • Condensed water is known per se and in Fig. 1 not shown means separated from the air flow P and disposed of.
  • the condensation of the water from the air flow P can also be done elsewhere.
  • the embodiment with the one heat exchanger 10 is merely exemplary.
  • the condensation dryer I may also comprise a heat pumping circuit comprising an evaporator and a condenser, which are connected via a working medium circuit in which a refrigerant is conducted.
  • a compressor and a throttle are then preferably arranged so that the refrigerant can on the one hand be compressed and evaporated and on the other hand can be expanded and liquefied.
  • the moisture flowing out of the drum 2 can on the one hand be removed from the moisture by cooling and, on the other hand, the air stream P flowing into the drum 2 can be heated.
  • a fan 11, which generates the circulation of the air flow P is furthermore arranged in the process air duct. Furthermore, in the rising section 6 of the process air guide, a heating device 12 is arranged in the exemplary embodiment, through which the air flow P is reheated before it enters the drum 2.
  • the end shield 7 forms on the one hand a support structure for a front side of the condensation dryer I and a front support for the drum 2, and on the other hand carries a door 13 for closing the drum 2 and for closing a feed opening of the drum second
  • the condensation dryer I further comprises a symbolically illustrated doctor blade 14 which is designed to remove the lint 9 from the wire 8 in the region of the process air guide.
  • the condensation dryer I comprises a device 15.
  • the device 15 is thus formed separately and in addition to the squeegee 14.
  • the device 15 comprises a flushing device 16 which has at least one spray nozzle 17. Rinsing liquid is rinsed to the edge 18 via the nozzle 17, and by this rinsing the lint 9, which adhere there, are rinsed off.
  • the rinsing liquid is the condensate produced during operation of the condensation dryer I, which is collected in a floor assembly 21.
  • a pump 23 is provided to promote the condensate collected in the bottom group 21 to the purging device 16, and in particular to the nozzle 17, a pump 23 is provided.
  • the condensate collected in the bottom group 21 is then either conveyed to the nozzle 17 or, if flushing of the screen 8 with flushing liquid or with condensate is not required or provided, for example, out of the condensation dryer I into a trap .
  • the condensation dryer I comprises a Y-valve which is connected to the pump 23 via a line system. The two outflows of the Y-valve thus lead on the one hand to the spray nozzle 17 and on the other hand from the condensation dryer I to the outside, in this respect an outwardly leading line system is provided, which opens into the traps.
  • the valve and the pump 23 is controlled by an electronic control unit, not shown.
  • the device 15 further comprises a line system (not shown) which, after rinsing the screen 8, in particular the edge 18, with the rinsing liquid, then carries the rinsing liquid, which is then loaded with the lint 9, into a collecting container 19.
  • the collecting container 19 is arranged in the bottom group 21. Due to the larger installation space in the area of the bottom group 21, the collecting container 19 can be dimensioned larger than if it were arranged adjacent to the sieve 8 in the region of the end shield 7. However, it can also be provided that in addition to the collecting container 19 and its arrangement in a bottom group 21, a further collecting container is arranged in the region of the screen 8, which is provided for receiving the lint 9, which are conveyed by the doctor blade 14 in this further collecting container ,
  • the arranged in the bottom group 21 collecting container 19 comprises in the exemplary embodiment, a filter device 20, which can be removed from the collecting container 19.
  • This filter device 20 is flexible and deformable and designed as a bag or bag.
  • the filter device 20 is designed such that it is permeable to the rinsing liquid, but filters out the lint 9 contained in the rinsing liquid.
  • the collecting container 19 furthermore comprises an outlet 22, through which the lint-filtered rinsing liquid can again flow into the bottom group 21.
  • the collecting container 19 and in particular the filter device 20 are arranged in the bottom group 21 that they are easily accessible, for example via a flap on the dryer I from the outside and therefore can be removed easily and with little effort by a user.
  • the configuration of the process air guide with the heat exchanger 10, the blower 11 and the heater 12 is merely exemplary. It is essential for the invention that the condensation dryer I has the device 15, with which the lint 9, which are collected in particular on the edge of the screen 8 and in particular outside the process air duct on the screen 8, by rinsing with a rinsing liquid, in particular the collected condensate, away can be made, and this can be done in particular in a arranged in the bottom group 21 collecting container 19.

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

Claims (16)

  1. Appareil ménager (I) destiné à l'entretien de pièces de linge, comprenant un dispositif de guidage d'air de processus (4, 5, 6) au moyen duquel un courant d'air (P) peut être guidé à travers un tambour (2) destiné au logement des pièces de linge (1) et lequel comprend un filtre (8) pour séparer des peluches (9) du courant d'air (P), et comprenant un dispositif (15) destiné à enlever les peluches (9) du filtre (8), et comprenant un dispositif de lavage (16) au moyen duquel ces peluches (9) peuvent être lavées du filtre (8) avec du liquide de lavage, caractérisé en ce que le dispositif (15) est réalisé pour enlever les peluches (9) qui ont été collectées sur le filtre (8) à l'extérieur du dispositif de guidage d'air de processus (4, 5, 6).
  2. Appareil ménager (I) selon la revendication 1, caractérisé en ce que les peluches (9) sont collectées en raison de l'activation d'une raclette (14), laquelle est réalisée pour enlever des peluches (9) collectées sur le filtre (8) dans le dispositif de guidage d'air de processus (4, 5, 6), côté bord (18) sur le filtre (8) à l'extérieur du dispositif de guidage d'air de processus (4, 5, 6).
  3. Appareil ménager (I) selon la revendication 1 ou 2, caractérisé en ce que le liquide de lavage du dispositif de lavage (16) est un condensat produit dans l'appareil ménager (I) pendant le fonctionnement.
  4. Appareil ménager (I) selon l'une quelconque des revendications précédentes, caractérisé en ce que les peluches (9) enlevées par le liquide de lavage peuvent être conduites dans un groupe de fond (21) de l'appareil ménager (I).
  5. Appareil ménager (1) selon la revendication 4, caractérisé en ce qu'un récipient collecteur (19) est disposé dans le groupe de fond (21), lequel récipient collecteur est réalisé pour le logement du liquide de lavage chargé de peluches (9) et pour le filtrage des peluches (9) du liquide de lavage.
  6. Appareil ménager (I) selon la revendication 5, caractérisé en ce que le récipient collecteur (19) présente une sortie (22) à travers laquelle le liquide de lavage épuré des peluches peut être guidé hors du récipient collecteur (19).
  7. Appareil ménager (I) selon la revendication 6, caractérisé en ce que le liquide de lavage épuré des peluches peut être guidé dans le groupe de fond (21).
  8. Appareil ménager (I) selon l'une quelconque des revendications 5 à 7, caractérisé en ce que le récipient collecteur (19) est disposé de manière amovible dans le groupe de fond (21).
  9. Appareil ménager (I) selon l'une quelconque des revendications 5 à 8, caractérisé en ce que le récipient collecteur (19) présente un dispositif de filtrage (20) pour filtrer les peluches (9) du liquide de lavage, lequel dispositif de filtrage est disposé de manière amovible dans le récipient collecteur (19) et est perméable au liquide de lavage.
  10. Appareil ménager (I) selon l'une quelconque des revendications précédentes, lequel est réalisé comme sèche-linge à condensation (I).
  11. Procédé destiné à enlever des peluches (9) qui sont collectées sur un filtre (8) disposé en partie dans un dispositif de guidage d'air de processus (4, 5, 6) d'un appareil ménager (I) destiné à l'entretien de pièces de linge, et sont enlevées au moyen d'un dispositif destiné à enlever des peluches (9), caractérisé en ce que les peluches (9) collectées sur le filtre (8) à l'extérieur du dispositif de guidage d'air de processus (4, 5, 6) à l'aide du dispositif (15) sont enlevées au moyen d'un dispositif de lavage (16) attribué au dispositif (15), du fait qu'un liquide de lavage est guidé au moins à la partie spécifique (18) du filtre (8) et que les peluches sont lavées du filtre (8).
  12. Procédé selon la revendication 11, caractérisé en ce que les peluches (9) qui sont enlevées par le dispositif (15) sont collectées côté bord (18) sur le filtre (8) en raison de l'activation d'une raclette (14), laquelle est réalisée pour enlever des peluches (9) collectées sur le filtre (8) dans le dispositif de guidage d'air de processus (4, 5, 6).
  13. Procédé selon la revendication 11 ou 12, caractérisé en ce que le liquide de lavage chargé des peluches (9) lavées par le filtre (8) est guidé dans un groupe de fond (21) de l'appareil ménager (I).
  14. Procédé selon la revendication 13, caractérisé en ce que le liquide de lavage chargé des peluches (9) lavées par le filtre (8) est guidé dans un récipient collecteur (19) disposé dans le groupe de fond (21), dans lequel récipient collecteur les peluches (9) sont filtrées pour épurer le liquide de lavage.
  15. Procédé selon la revendication 14, caractérisé en ce que le liquide de lavage épuré des peluches est évacué dans le récipient collecteur (19) à travers une sortie (22), notamment dans le groupe de fond (21).
  16. Procédé selon la revendication 14 ou 15, caractérisé en ce que les peluches (9) sont filtrées pour épurer le liquide de lavage dans un dispositif de filtrage (20) du récipient collecteur (19), lequel dispositif de filtrage est détachable du récipient collecteur (19) et perméable au liquide de lavage.
EP08105843A 2007-12-18 2008-11-21 Appareil ménager destiné à l'entretien de pièces de linge et procédé destiné à enlever des peluches Active EP2072660B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08105843T PL2072660T3 (pl) 2007-12-18 2008-11-21 Sprzęt domowy do pielęgnacji sztuk prania i sposób usuwania kłaczków

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007060851A DE102007060851A1 (de) 2007-12-18 2007-12-18 Hausgerät zur Pflege von Wäschestücken und Verfahren zum Entfernen von Flusen

Publications (2)

Publication Number Publication Date
EP2072660A1 EP2072660A1 (fr) 2009-06-24
EP2072660B1 true EP2072660B1 (fr) 2013-03-06

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Country Status (4)

Country Link
US (1) US8789290B2 (fr)
EP (1) EP2072660B1 (fr)
DE (1) DE102007060851A1 (fr)
PL (1) PL2072660T3 (fr)

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DE102007060851A1 (de) 2009-06-25
US8789290B2 (en) 2014-07-29
PL2072660T3 (pl) 2013-08-30
EP2072660A1 (fr) 2009-06-24
US20090151191A1 (en) 2009-06-18

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