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EP3816337B1 - Séchoir comprenant un filtre autonettoyant - Google Patents

Séchoir comprenant un filtre autonettoyant Download PDF

Info

Publication number
EP3816337B1
EP3816337B1 EP20199421.7A EP20199421A EP3816337B1 EP 3816337 B1 EP3816337 B1 EP 3816337B1 EP 20199421 A EP20199421 A EP 20199421A EP 3816337 B1 EP3816337 B1 EP 3816337B1
Authority
EP
European Patent Office
Prior art keywords
filter
scraper
dryer
gear
housing
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
EP20199421.7A
Other languages
German (de)
English (en)
Other versions
EP3816337A1 (fr
Inventor
Yunus Ekrem TEKES
Can Sar
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.)
Arcelik AS
Original Assignee
Arcelik AS
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 Arcelik AS filed Critical Arcelik AS
Publication of EP3816337A1 publication Critical patent/EP3816337A1/fr
Application granted granted Critical
Publication of EP3816337B1 publication Critical patent/EP3816337B1/fr
Active 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

Definitions

  • the present invention relates to a dryer comprising a self-cleaning filter.
  • the use of mechanical scrapers for automatically cleaning the filters used in dryers is known in the art.
  • the scraper collects fibers accumulated on the filter by contacting the filter.
  • Various structural modifications has to be made in the dryer and the filter in order to allow the usage of such filters.
  • the filter In the dryers having state of the art scrapers, the filter has only one filtering surface and is positioned in different angles/ways in order to allow the operation of the scraper.
  • Some of the reasons of not using the filters available in the state of the art with scrapers are the sealing problem caused by the scraper in the circulation of the drying air, the difficulty of finding a space for the scraper in the current structure and finding a place to transfer the fibers scraped from the filter.
  • a lot of parts are needed for the use of the scraper and this creates problems in sealing.
  • the transfer/collection of the removed fibers causes arrangement problems in the state of the art dryers. In order to make room for the scraper, the size of the filter must be decreased, thus compromising the effectiveness of the
  • a dryer comprising a scraper which scrapes the filter retaining the fibers.
  • a laundry dryer comprising a fluff trap with a screen filter wall and a cleaning system brushes the filter wall.
  • the aim of the present invention is the realization of a dryer wherein the filter retaining the fibers is automatically cleaned.
  • the dryer realized in order to attain the aim of the present invention, explicated in the first claim and the respective claims thereof, comprises a scraper which is disposed onto the filter known as V-type or a cartridge-type filter and gear channels which enable the scraper to be moved along the direction of the air flow.
  • the gear channels match with a gear which is provided in the housing wherein the filter is disposed.
  • the scraper bears against both filtering surfaces in the filter. As the gear rotates, the gear channel and hence the scraper move and the fibers accumulated on both surfaces of the filter are enabled to be scraped.
  • the inner side of the filter is also enabled to be scraped in the state of the art filters.
  • locking members and connection members are used to enable the scraper to be attached to the V-type filter and to be moved smoothly.
  • said members are used to enable the scraper to be moved in the desired manner while preventing the movement of the filter.
  • the mechanical scraping process can also be realized in the cartridge-type filters.
  • the fibers scraped by the scraper are collected in a bag attached to the underside of the filter.
  • the user is prevented from touching the fibers and the need for cleaning the collected fibers after each process is eliminated.
  • the user is prevented from being subject to unpleasant appearances. Possible health issues are also eliminated by preventing the user from breathing fibers while cleaning the fibers.
  • the scraper is produced with a perforated structure in order to prevent the same from adversely affecting the drying process.
  • the scraper can be produced from a flexible material.
  • a scraper which can be positioned on the inner side of the two filtering surfaces is enabled to be used.
  • the scraper is operated when the filter is full or when the drying process is completed.
  • the filter is prevented from being clogged and automatically cleaned.
  • the filter is enabled to be cleaned and the scraper is enabled to be taken out of the dryer together with the filter, thus providing ease of maintenance and cleaning. Consequently, mechanical scraping can be performed in the state of the art V-type filters and the maintenance and the cleaning of the scraper can be performed easily when necessary.
  • the dryer (1) comprises a body (2); a housing (3) which is disposed on the body (2); a filter (4) which is placed into the housing (3) and which retains the fibers generated during the drying process; and a scraper (5) which scrapes the fibers accumulated on the filter (4).
  • the filter (4) is placed into the housing (3) provided on the body (2).
  • the air which is circulated during the drying process passes through the filer (4) and continues its circulation through the lower part of the housing (3).
  • the fibers removed from the items which are dried during this process are retained on the filter (4).
  • the scraper (5) scrapes the fibers accumulated on the filter (4).
  • the filter (4) is prevented from getting clogged and adversely affecting the circulation of the drying air.
  • the dryer (1) of the present invention comprises the V-type filter (4); two gear channels (6), each attached to one of the opposite outer edges of the filter (4) and which move relative to the filter (4); the scraper (5) which connects the opposite gear channels (6) and which is provided at the inner side of the filter (4); at least one gear (7) which is disposed in the housing (3) and which engages with the gear channel (6); and at least one motor (8) which rotates the gear (7).
  • the filter (4) has a structure called V-type or cartridge-type structure, wherein the two filtering surfaces are connected so as to create a V, and the air to be filtered enters the filter (4) through the filter (4).
  • the gear channel (6) is attached to the outer edges of the filter (4).
  • the gear channel (6) moves along the edge of the filter (4).
  • the scraper (5) is fixed to the gear channels (6) provided on the edges of the filter (4) so as to be in the filter (4) and sweep/scrape both filtering surfaces.
  • the scraper (5) can move along the direction of the air flow as the gear channels (6) move.
  • the movement of the gear channel (6) is provided by means of a gear (7) which is fixed in the housing (3) and the motor (8) which rotates the gear (7). Since the components which enable the scraper (5) to be moved are positioned outside the filter (4), the contact of the components which create the movement with the fibers is prevented, eliminating the risk of adversely affecting the movement.
  • the gear (7) aligns with the gear channel (6) and the gear (7) engages with the gear channel (6).
  • the gear (7) rotates in the gear channel (6) and enables the scraper (5) to scrape the surface of the filter (4) in the vertical direction.
  • the dryer (1) comprises slots (9) which are arranged on the outer edges of the filter (4) and the gear channel (6) is placed into the slot (9).
  • the slots (9) provided on the edges of the filter (4), the edges of the filter (4) are hollow and thus, the gear channel (6) and the scraper (5) are enabled to be connected to each other.
  • the gear channels (6) are attached onto the filter (4) by being inserted into the slots (9).
  • the gear channel (6) is T-shaped so as to surround the slot (9) in an airtight manner.
  • the gear channel (6) is attached onto the slots (9) preferably by being inserted from the bottom side.
  • the gear channel (6) is inserted into the slot (9) from the narrow neck section of the T-shape and the upper section of the T-shape remains in the filter (4), providing sealing.
  • the dryer (1) comprises locking members (10) which prevent the gear channels (6) and the scraper (5) from moving relative to each other.
  • the gear channels (6) arranged at two sides of the filter (4) is connected to the scraper (5) which is positioned in the filter (4).
  • the scraper (5) moves together with the gear channel (6).
  • the scraper (5) has to be prevented from making movements like twisting etc.
  • the scraper (5) and the gear channels (6) have matching locking means (10) which engage with each other so as to enable the scraper (5) to move linearly together with the gear channels (6).
  • the scraper (5) and the gear channels (6) move together.
  • the filter (4) comprises connection members (11) which enable the same to be locked onto the housing (3).
  • the filter (4) can also move together with the gear channels (6) if the filter (4) is not fixed.
  • the connection members (11) fix the filter (4) to the housing (3).
  • the dryer (1) comprises magnetic members (12) which are oppositely positioned on the scraper (5) or the gear channel (6) and the filter (4) so as to enable the scraper (5) to be held above.
  • the gear channels (6) can move freely on the edges of the filter (4). This may create problems for the user when the filter (4) is detached.
  • the scraper (5) and the gear channels (6) are desired to move when the filter (4) is in the housing (3) and not to move when the filter (4) is taken out of the housing (3).
  • the magnetic members (12) are provided both on the filter (4) and on the scraper (5) or the gear channels (6).
  • the scraper (5) is held at the upper section of the filter (4) and the gear channels (6) hold the filter (4) edges so as almost not to protrude.
  • the motor (8) and the gear (7) are rotated, the force exerted enables the scraper (5) to move downwards on the filter (4).
  • the dryer (1) comprises holes (13) which are provided on the surface of the scraper (5) and which allow the passage of the drying air. Since filter (4) used in the dryer (1) is a commonly used V-type filter (4), the scraper (5) must not prevent the passage of the drying air.
  • the holes (13) are provided on the scraper (5) so as to be parallel with the flow of the drying air and thus, the V-type filter (4) can be cleaned by the scraper (5) without obstructing the air flow.
  • the filter (5) is produced from an elastic material.
  • the scraper (5) which is produced from an elastic material, no pressure is applied onto the surface of the filter (4) and thus, the filter (4) is prevented from getting damaged while the fibers are swept.
  • the dryer (1) comprises a bag (14) which is attached to the underside of the filter (4) and which is used for collecting the fibers scraped by the scraper (5). As the scraper (5) is operated, the fibers removed from the surface of the filter (4) are collected in the bag (14) attached to the underside of the filter (4). When the bag (14) is full, the filter (4) is removed and the bag (14) is disposed or replaced after being emptied.
  • the dryer (1) comprises two motors (8) which are oppositely positioned in the housing (3).
  • the two motors (8) oppositely positioned are used to enable the scraper (5) to be smoothly moved upwards and downwards perpendicular to the surface of the filter (4).
  • the scraper (5) is enabled to move always perpendicular to the direction of the air flow by driving the motors (8) in phase.
  • the motors (8) can be driven in different phases relative to each other such that the scraper (5) is slightly twisted and thus, the filter (4) is enabled to be cleaned more effectively when necessary.
  • the dryer (1) comprises a fan (15) which performs the circulation of air and stops during the operation of the scraper (5).
  • the gear channel (6) moves along the edge of the filter (4), the edge of the filter (4) becomes free and the sealing is disrupted.
  • the fan (15) By stopping the fan (15) during the operation of the scraper (5), the flow of air is interrupted and the fibers which flutter freely are prevented from escaping through the edges of the filter (4) and being dispersed into the dryer (1).
  • the scraper (5) is operated whenever the filter (4) is full.
  • the fullness of the filter (4) can be detected by means of the state of the art sensors.
  • the scraper (5) is operated.
  • the scraper (5) is operated at the end of the drying process.
  • the scraper (5) is operated after each drying process and the drying can be performed without allowing the filter (4) to get clogged.
  • the V-type filters (4) which are widely used are enabled to be automatically cleaned by means of the scraper (5).
  • the V-type filter (4) is sealed and the air flow is not obstructed when the scraper (5) is not in use.
  • the scraper (5) can be used without changing the structure of the filter (4) and it is sufficient to attach gear channels (6) onto the edges of the V-type filter (4).

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Drying Of Solid Materials (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Claims (13)

  1. - Un séchoir (1) comprenant un corps (2) ; un boîtier (3) disposé sur le corps (2) ; un filtre (4) placé dans le boîtier (3) et qui retient les fibres générées pendant un processus de séchage ; et un racleur (5) qui racle les fibres accumulées sur le filtre (4), caractérisé en ce que le filtre (4) est un filtre de type V dans lequel deux surfaces filtrantes sont reliées de manière à créer un V, de sorte que le racleur (5) s'appuie sur les deux surfaces filtrantes dans le filtre (4) ; deux canaux d'engrenage (6), chacun fixé à l'un des bords extérieurs opposés du filtre (4) et qui se déplacent par rapport au filtre (4) ; le racleur (5) qui relie les canaux d'engrenage opposés (6) et qui est prévu sur le côté intérieur du filtre (4) ; au moins un engrenage (7) qui est disposé dans le boîtier (3) et qui s'engage dans l'un des canaux d'engrenage (6) ; et au moins un moteur (8) qui fait tourner l'engrenage (7).
  2. - Un séchoir (1) selon la déclaration 1, caractérisé par des fentes (9) qui sont disposées sur les bords extérieurs du filtre (4) et des canaux d'engrenage (6) qui sont placés dans les fentes (9).
  3. - Un séchoir (1) selon la déclaration 2, caractérisé par les canaux d'engrenage (6) qui sont en forme de T de manière à entourer les fentes (9) de manière étanche.
  4. - Un séchoir (1) selon l'une quelconque des déclarations précédentes, caractérisé par des organes de verrouillage (10) qui empêchent les canaux d'engrenage (6) et le racleur (5) de se déplacer l'un par rapport à l'autre.
  5. - Un séchoir (1) selon l'une quelconque des déclarations précédentes, caractérisé par le fait que le filtre (4) comporte des organes de liaison (11) qui permettent de le verrouiller sur le boîtier (3).
  6. - Un séchoir (1) selon l'une quelconque des déclarations précédentes, caractérisé par des organes magnétiques (12) qui sont positionnés en opposition sur le racleur (5) ou le canal d'engrenage (6) et le filtre (4) de manière à permettre le maintien du racleur (5) en partie supérieure du filtre (4) de telle sorte que le racleur (5) et les canaux d'engrenage (6) ne se déplacent pas lorsque le filtre (4) est sorti du boîtier (3).
  7. - Un séchoir (1) selon l'une quelconque des déclarations précédentes, caractérisé par des trous (13) qui sont prévus sur la surface du racleur (5) et qui permettent le passage de l'air de séchage.
  8. - Un séchoir (1) selon l'une quelconque des déclarations précédentes, caractérisé par le racleur (5) qui est fabriqué à partir d'un matériau élastique.
  9. - Un séchoir (1) selon l'une quelconque des déclarations précédentes, caractérisé par un sac (14) qui est fixé sur la face inférieure du filtre (4) et qui sert à recueillir les fibres raclées par le racleur (5).
  10. - Un séchoir (1) selon l'une quelconque des déclarations précédentes, caractérisé par deux moteurs (8) placés en opposition dans le boîtier (3) pour permettre au racleur (5) d'être déplacé en douceur vers le haut et vers le bas, perpendiculairement à la surface du filtre (4).
  11. - Un séchoir (1) selon l'une quelconque des déclarations précédentes, caractérisé par un ventilateur (15) qui effectue la circulation de l'air et s'arrête pendant le fonctionnement du racleur (5).
  12. - Un séchoir (1) selon l'une quelconque des déclarations précédentes, caractérisé par un capteur apte à détecter le remplissage du filtre (4) et le racleur (5) qui est actionné chaque fois que le filtre (4) est plein.
  13. - Un séchoir (1) selon l'une quelconque des déclarations précédentes, caractérisé par le racleur (5) qui est actionné à la fin du processus de séchage.
EP20199421.7A 2019-10-31 2020-09-30 Séchoir comprenant un filtre autonettoyant Active EP3816337B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR201916777 2019-10-31

Publications (2)

Publication Number Publication Date
EP3816337A1 EP3816337A1 (fr) 2021-05-05
EP3816337B1 true EP3816337B1 (fr) 2024-01-03

Family

ID=72709196

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20199421.7A Active EP3816337B1 (fr) 2019-10-31 2020-09-30 Séchoir comprenant un filtre autonettoyant

Country Status (2)

Country Link
EP (1) EP3816337B1 (fr)
PL (1) PL3816337T3 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7802375B2 (en) 2006-05-05 2010-09-28 Michael Johnson Clothes dryer lint screen assembly with built in lint scraper blade
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
WO2010071355A2 (fr) * 2008-12-17 2010-06-24 Lg Electronics Inc. Sèche-linge doté d'un dispositif d'évacuation de corps étrangers
KR101993225B1 (ko) * 2012-12-31 2019-06-26 엘지전자 주식회사 의류처리장치
IT201700044187A1 (it) * 2017-04-21 2018-10-21 Candy Spa Macchina asciugabiancheria

Also Published As

Publication number Publication date
EP3816337A1 (fr) 2021-05-05
PL3816337T3 (pl) 2024-05-20

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