EP1050619B1 - Filtre à bourre auto-nettoyant pour sèche-linge - Google Patents

Filtre à bourre auto-nettoyant pour sèche-linge Download PDF

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Publication number
EP1050619B1
EP1050619B1 EP00108555A EP00108555A EP1050619B1 EP 1050619 B1 EP1050619 B1 EP 1050619B1 EP 00108555 A EP00108555 A EP 00108555A EP 00108555 A EP00108555 A EP 00108555A EP 1050619 B1 EP1050619 B1 EP 1050619B1
Authority
EP
European Patent Office
Prior art keywords
lint
filter
filter element
filter equipment
circulatory
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.)
Expired - Lifetime
Application number
EP00108555A
Other languages
German (de)
English (en)
Other versions
EP1050619A1 (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
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Publication of EP1050619A1 publication Critical patent/EP1050619A1/fr
Application granted granted Critical
Publication of EP1050619B1 publication Critical patent/EP1050619B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/22—Lint collecting arrangements

Definitions

  • a heated gas stream preferably an air stream
  • a heated gas stream is usually brought into contact with the laundry to be dried in order to remove moisture contained in the laundry.
  • the fluff entrained by the air flow can then disadvantageously deposit or even settle elsewhere. Therefore, fluff filter devices are usually provided, with which fluff that is carried along can be removed from the air flow. The retained lint, however, will move the filter device over time and must be removed. This is usually necessary after each drying process and has a considerable negative impact on the ease of use for the operator.
  • a lint filter device of the type mentioned at the beginning is known from FR 2 533 141 A1 in a commercial drying machine. It describes an endless circulating element, the path of which is crossed by the air flow at a first location. The circulating element also represents the filter element, is guided back on the outside of the machine and therefore does not get back into the air flow. Since the circulating element is also a filter element over its entire length, it is not only located during the process phase but always at the location of the first crossing of the air flow with the movement path.
  • a lint filter device with a circumferential filter element which can be passed in sections past a lint suction device, so that the lint accumulated on the filter element in the course of the filtering can be sucked off.
  • this publication describes, among other things, a rotatable sieve drum. In this case, however, the air flow is not only guided perpendicularly to the drum axis through the jacket surface, but is guided into the screen drum on the jacket side and out again at the end. In this way it is avoided that the air flow at any section flows through the jacket of the sieve drum from the inside to the outside and entrains fluff adhering to the outside again.
  • DE 90 00 624 U1 proposes an endless filter belt as a filter element, which however also poses the problem that when the air flow is straight, one strand of the filter belt is flowed through from outside to inside and the other strand from inside to outside and thus itself Lint that is not held back by the first strand can be put on the second strand inside.
  • applying fluff to the inside of the filter belt again has the disadvantage that it is difficult to remove fluff there, and in particular that in this case the fluff has to be removed from both the inside and the outside and thus a more complex device is required.
  • a textile cleaning system with a lint filter in which a single-layer filter layer is flowed through from below by the air stream to be cleaned and in which a slide is moved back and forth on the filter layer at the bottom, which pushes the lint accumulated there, so they're in a bin falling off.
  • a complex linear guide of a slider is disadvantageously necessary, with the slider alone not being able to safely remove the fluff from the filter surface, but still requiring the participation of the very low weight force with fluff.
  • a laundry dryer is known from US Pat. No. 2,886,900, in which the air flow flows into a filter drum on one end face and flows out on the jacket side.
  • the fluff lying on the inside of the drum jacket is conveyed axially to the end face opposite the air inlet by a screw-shaped slide.
  • a screw-shaped slide In addition to the complex screw-shaped slide, a disadvantageously complex and, under certain circumstances, space-consuming air guidance in the angle is required.
  • the invention has for its object to provide a lint filter device in which the lint filtered out can be removed from the filter with simple means, the space requirement kept small and in which the air flow can be passed straight through the filter element.
  • this object is achieved in a lint filter device of the type mentioned at the outset in that the circulating element has a second section which is located in the process phase at the location of a second intersection of the air flow with the movement path of the circulating element in the direction of the air flow behind the location of the first intersection and which is sufficiently large-meshed that no or little fluff remains on it.
  • the air flow can in this way be passed straight through the filter device with the circulating element, the lint, which cannot be retained by the filter element already at the location of the first intersection, from getting caught on the inside of the circulating element at the location of the second intersection.
  • the fluff therefore advantageously only has to be removed from one side of the circulating element, so that the outlay for the device required for this is low.
  • encircling elements have the advantage that, in the case of rigid encircling elements, rotary bearings are sufficient or, in the case of flexible encircling elements, in particular rotatably mounted deflection bodies, which are considerably more advantageous than bearings for linear movements.
  • the filter element should cover the entire cross-section of the air flow in the filter position so that no fluff can get past the side. Since the filter element at least partially releases the air flow when the filter element is guided past the device for removing the lint, the lint should be removed in operating phases of the tumble dryer in which there are either no lint in the air flow or in which no air flow is generated, so that no fluff is carried. This can be at the end of a drying process, for example.
  • the section of the circulating element which is in the filter phase at the location of the second intersection between air flow and movement path, can be provided, for example, with large openings through which fluff can pass without getting caught.
  • the section can be designed, for example, as a wide-mesh network or grid, the elements between the meshes being particularly thin and smooth, so that no fluff is caught on them.
  • a single large opening can also be provided, which extends for example over almost the entire width of the circulating element and is only delimited on the sides by thin edge strips or cords which close the circulating element.
  • the device for removing lint from the surface of the filter element is advantageously a scraper. This can be set up easily and without moving parts. In this way, the fluff can be removed simply by moving the circulating element.
  • the wiper guides lint removed from the surface of the filter element as it passes, into a collecting container. The removal of the fluff and its transport into a collecting container can therefore be carried out in one operation.
  • a collecting container in which the lint can be collected can also be provided in other types of devices for removing lint. The capacity of the collecting container can be chosen so large that it only has to be emptied at longer intervals.
  • the lint removed from the filter element can also be rinsed out with a liquid from the tumble dryer, in particular into a waste water connection.
  • the condensate obtained can be used as the rinsing liquid.
  • the circulating element can be a band.
  • the belt can be held by deflection devices for storage.
  • the deflection devices can be rollers, rollers or, in the simplest case, rods on which the belt slides and which are advantageously provided with a low-friction surface.
  • the belt can also be driven in the circumferential direction with rotatable deflection devices, wherein at least one rotatable deflection device can be provided for driving and simple non-rotatable deflection devices can be provided for further mounting. Nevertheless, the belt can also be driven in the direction of rotation by devices that are not used for deflecting or holding.
  • the drive for the circulating element can be controlled by a control device for the household clothes dryer.
  • the circulating element can also be a rotatable drum. This can be easily stored with one or two rotary bearings, and the drive can be carried out via the axis of rotation.
  • FIG. 1 and 2 schematically show a side sectional view through a fluff filter device 1 according to the invention for an air stream S carrying fluff 5, 5 'in a household clothes dryer.
  • an air flow S is usually generated and passed over the laundry to be dried, which draws moisture from the laundry and can entrain fluff 5, 5 'which settle elsewhere can and must therefore be removed.
  • the air flow S enters the lint filter device 1 from the right and is guided horizontally and straight in an air duct 8.
  • a band-like circulating element 2 runs across the entire cross section of the air duct 8 and is held and tensioned by two deflection devices 9 and the sections of which are just tensioned are held essentially perpendicular to the air flow S.
  • the deflection device 9 can rotate, at least one of which can be driven in the direction of rotation.
  • a scraper 6 is arranged in such a way that its knife-like upper edge is just above the surface of the circulating element 2.
  • the profile of the scraper 6 runs from the upper edge to a lower edge which ends above a collecting container 7 which is open at the top and which can be removed outside the household clothes dryer.
  • the wiper 6 extends perpendicular to the plane of the drawing parallel to the lower deflection device 9 over the entire width of the circulating element 2 which is exposed to the air flow.
  • the rotating element 2 shows the lint filter device 1 during the cleaning phase, in which advantageously no air flows through the lint filter device 1.
  • the rotating element 2 is moved in the rotating direction by rotating one or both deflection devices 9, so that the filter element 3 is guided past the scraper 6.
  • the fluff 5 is lifted from the surface of the filter element 3 by the stripper 6 and passed into the collecting container 7.
  • the rotational movement of the deflection devices 9 is reversed, so that the filter element 3 returns to its filter position.
  • the collecting container 7 is dimensioned so large that it can accommodate the fluff 5, which accumulate during a series of drying processes, so that it does not have to be emptied after each drying process.

Landscapes

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

Claims (10)

  1. Dispositif de filtre à peluches (1) pour un courant d'air (S) dans un sèche-linge, comprenant un élément tournant sans fin (2) dont le chemin du mouvement est croisé par le courant d'air (S) en un premier lieu, ledit élément tournant présentant un élément de filtrage (3) qui, dans une phase du processus dans laquelle un filtrage est nécessaire, se trouve au lieu où le courant d'air (S) et le chemin du mouvement se croisent pour la première fois et qui, dans une phase de nettoyage, peut passer, par un mouvement tournant dudit élément tournant (2), le long d'un dispositif (6) servant à retirer les peluches (5) de la surface de l'élément de filtrage (3), caractérisé en ce que ledit élément tournant (2) présente une deuxième partie (4) située, pendant la phase du processus, au lieu d'un deuxième croisement du courant d'air (S) et du chemin du mouvement de l'élément tournant (2), dans le sens du courant d'air et derrière le lieu du premier croisement, et présentant de grandes mailles, de sorte qu'aucune peluche ou peu de peluches (5') s'y accrochent.
  2. Dispositif de filtre à peluches selon la revendication 1, caractérisé en ce que le dispositif (6) servant à retirer les peluches (5) de la surface de l'élément de filtrage (3) est un racloir (6).
  3. Dispositif de filtre à peluches selon la revendication 2, caractérisé en ce que le racloir (6) dirige vers un récipient collecteur (7) les peluches (5) retirées de la surface de l'élément de filtrage (3) lors de son passage.
  4. Dispositif de filtre à peluches selon la revendication 1, caractérisé en ce que le dispositif (6) servant à retirer les peluches (5) de la surface de l'élément de filtrage (3) est un dispositif d'aspiration.
  5. Dispositif de filtre à peluches selon l'une des revendications 1 à 4, caractérisé en ce que l'élément tournant (2) est un ruban.
  6. Dispositif de filtre à peluches selon l'une des revendications 1 à 4, caractérisé en ce que l'élément tournant (2) est un tambour rotatif.
  7. Dispositif de filtre à peluches selon la revendication 5 ou 6, caractérisé en ce que l'élément tournant (2) est déplacé sur un chemin correspondant à la longueur de l'élément de filtrage (3) pendant la phase de nettoyage.
  8. Dispositif de filtre à peluches selon l'une des revendications 1 à 7, caractérisé en ce que les peluches (5) retirées de la surface de l'élément de filtrage (3) peuvent être humectées avec un liquide.
  9. Sèche-linge comprenant un dispositif de filtre à peluches (1) selon la revendication 8 ainsi qu'un dispositif de condensation de l'humidité contenue dans le courant d'air (S), caractérisé en ce que le condensat qui se forme dans le dispositif de condensation est utilisé pour humecter les peluches (5) retirées de la surface de l'élément de filtrage (3).
  10. Sèche-linge selon la revendication 9 ou comprenant un dispositif de filtre à peluches (1) selon l'une des revendications 1 à 8, comprenant un dispositif mobile inévitablement actionné par l'opérateur à la fin d'une opération de séchage, caractérisé en ce que ledit dispositif mobile coopère avec l'élément tournant (2) et que son actionnement provoque le passage de l'élément de filtrage (3) le long du dispositif (6) servant à retirer les peluches (5).
EP00108555A 1999-04-28 2000-04-19 Filtre à bourre auto-nettoyant pour sèche-linge Expired - Lifetime EP1050619B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19919407A DE19919407A1 (de) 1999-04-28 1999-04-28 Automatisch zur reinigende Flusenfiltereinrichtung für Haushaltwäschetrockner
DE19919407 1999-04-28

Publications (2)

Publication Number Publication Date
EP1050619A1 EP1050619A1 (fr) 2000-11-08
EP1050619B1 true EP1050619B1 (fr) 2003-09-10

Family

ID=7906211

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00108555A Expired - Lifetime EP1050619B1 (fr) 1999-04-28 2000-04-19 Filtre à bourre auto-nettoyant pour sèche-linge

Country Status (2)

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EP (1) EP1050619B1 (fr)
DE (2) DE19919407A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005055179A1 (de) * 2005-11-18 2007-05-24 BSH Bosch und Siemens Hausgeräte GmbH Flusenfiltereinrichtung und Verfahren zum Reinigen einer Flusenfiltereinrichtung
DE102006060031A1 (de) * 2006-12-19 2008-06-26 BSH Bosch und Siemens Hausgeräte GmbH Verfahren und Vorrichtung zum Trocknen von Wäsche mittels eines Luftstromes sowie eine solche Vorrichtung enthaltendes Hausgerät
DE102008062434A1 (de) 2008-12-17 2010-07-01 Ip Ag Flusenabreinigungsvorrichtung
EP2620539A1 (fr) 2012-01-26 2013-07-31 Electrolux Home Products Corporation N.V. Appareil de traitement du linge

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005054683A1 (de) 2005-11-16 2007-05-24 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung zum Trocknen von Wäsche mittels eines Luftstroms
DE102005054684A1 (de) 2005-11-16 2007-05-24 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung zum Trocknen von Wäsche mittels eines Luftstroms
DE102005054681A1 (de) * 2005-11-16 2007-05-24 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät mit einer linear bewegbaren Komponente
DE102007060851A1 (de) * 2007-12-18 2009-06-25 BSH Bosch und Siemens Hausgeräte GmbH Hausgerät zur Pflege von Wäschestücken und Verfahren zum Entfernen von Flusen
EP2248939B1 (fr) * 2010-02-15 2012-06-20 V-Zug AG Appareil ménager, notamment sèche-linge
DE102012223436A1 (de) * 2012-12-17 2014-06-18 BSH Bosch und Siemens Hausgeräte GmbH Haushalts-Wäschetrocknungsgerät mit Reinigungseinrichtung für Flusenfilter
CN106149328B (zh) * 2015-04-14 2019-10-01 青岛海尔洗衣机有限公司 带自清理功能的过滤系统及干衣机
CN107051050B (zh) * 2017-06-20 2018-07-06 江苏绿地环保滤材有限公司 一种自替换式循环滤布装置
US10765974B2 (en) 2019-01-25 2020-09-08 Haier Us Appliance Solutions, Inc. Lint collection assembly for a dryer appliance
CN110565347B (zh) * 2019-08-26 2020-07-14 无锡小天鹅电器有限公司 过滤组件及衣物处理装置
CN110552184B (zh) * 2019-08-26 2020-10-23 无锡小天鹅电器有限公司 过滤组件及衣物处理装置
CN112647241B (zh) * 2019-10-12 2024-06-18 青岛海尔洗衣机有限公司 清理提醒方法及装置
CN116607308A (zh) * 2022-02-08 2023-08-18 青岛海尔洗涤电器有限公司 一种线屑处理装置及衣物护理设备

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB365723A (en) * 1930-03-26 1932-01-28 Aloys Schirp Filter for cleaning air and gases
US4314409A (en) * 1980-02-06 1982-02-09 Whirlpool Corporation Automatic lint screen cleaner and storage system for dryer
DE3234436A1 (de) * 1982-09-17 1984-03-22 Babcock Textilmaschinen GmbH, 2105 Seevetal Reinigungsanordnung fuer siebe insbes. bei textiltrocknern
FR2711073B1 (fr) * 1993-10-15 1995-11-17 Esswein Sa Dispositif de nettoyage pour filtre du circuit séchage par flux d'air chaud d'une machine, en particulier pour une machine lave-linge séchante ou pour un sèche-linge.
DE9404587U1 (de) * 1994-03-18 1994-07-21 Voutta, Arvine, 28876 Oyten Reinigungsanlage zur chemischen Reinigung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005055179A1 (de) * 2005-11-18 2007-05-24 BSH Bosch und Siemens Hausgeräte GmbH Flusenfiltereinrichtung und Verfahren zum Reinigen einer Flusenfiltereinrichtung
DE102006060031A1 (de) * 2006-12-19 2008-06-26 BSH Bosch und Siemens Hausgeräte GmbH Verfahren und Vorrichtung zum Trocknen von Wäsche mittels eines Luftstromes sowie eine solche Vorrichtung enthaltendes Hausgerät
DE102008062434A1 (de) 2008-12-17 2010-07-01 Ip Ag Flusenabreinigungsvorrichtung
EP2620539A1 (fr) 2012-01-26 2013-07-31 Electrolux Home Products Corporation N.V. Appareil de traitement du linge

Also Published As

Publication number Publication date
EP1050619A1 (fr) 2000-11-08
DE50003606D1 (de) 2003-10-16
DE19919407A1 (de) 2000-11-02

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