EP2226421A1 - Appareil ménager, notamment sèche-linge - Google Patents

Appareil ménager, notamment sèche-linge Download PDF

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Publication number
EP2226421A1
EP2226421A1 EP10000744A EP10000744A EP2226421A1 EP 2226421 A1 EP2226421 A1 EP 2226421A1 EP 10000744 A EP10000744 A EP 10000744A EP 10000744 A EP10000744 A EP 10000744A EP 2226421 A1 EP2226421 A1 EP 2226421A1
Authority
EP
European Patent Office
Prior art keywords
filter
filter element
domestic appliance
appliance according
scraper
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.)
Granted
Application number
EP10000744A
Other languages
German (de)
English (en)
Other versions
EP2226421B1 (fr
Inventor
André Widmer
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.)
V-Zug AG
Original Assignee
V-Zug AG
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 V-Zug AG filed Critical V-Zug AG
Priority to EP10000744.2A priority Critical patent/EP2226421B1/fr
Priority to PL10000744T priority patent/PL2226421T3/pl
Priority to DK10000744.2T priority patent/DK2226421T3/en
Priority to SI201030594T priority patent/SI2226421T1/sl
Publication of EP2226421A1 publication Critical patent/EP2226421A1/fr
Application granted granted Critical
Publication of EP2226421B1 publication Critical patent/EP2226421B1/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 invention relates to a household appliance, in particular a dryer for drying textiles.
  • Dryers dry the wet or wet fabrics introduced into a drying room, such as a drum, by supplying warm air into the drying room.
  • the warm air absorbs the moisture from the textiles.
  • the thus saturated with moisture exhaust air is supplied depending on the structure of the dryer a heat exchanger or discharged to the environment.
  • the warm, humid air is cooled and releases the moisture in the form of water into a collection basin.
  • the now dry, cool air is heated, thus ensuring a better moisture absorption in the drying room.
  • This dry, warm air is in turn fed to the drying room.
  • an air filter element also known as a lint filter
  • a lint filter is typically arranged between the drying space and the heat exchanger for separating particles from the air stream in general and from textile fluff in particular.
  • the dry, warm air absorbs not only as desired the moisture of the textiles to be dried but also textile particles such as lint or other deposits of dry matter due to the mechanical stress of the textiles by the air flow, the drum rotation, etc ..
  • Filter element can structures of the subsequent heat exchanger be soiled by such particles.
  • a filter element can also be used with the intention of reducing the pollution of the environment with particles.
  • filter elements To ensure that the function of such filter elements is not impaired, they must be cleaned regularly. Furthermore, such a filter element should be able to be replaced when worn or broken. In this respect, conventional filter elements are typically arranged easily accessible in the tumble dryer and manually cleaned or replaceable.
  • the device which is usually used for cleaning the filter element, is a so-called scraper for stripping the filter element more or less firmly adhering particles, especially of textile fluff.
  • a band-shaped filter element is clamped with its not necessarily containing filter material ends via pulleys on two rollers, of which at least one is operated by an electric motor.
  • a cleaning device is arranged between the filter surface and the second roller.
  • the filter material is rewound from the first roller to the second roller until the lint-covered part of the filter device has passed completely past the cleaning device and thereby cleaned.
  • Such a filter device is known from the German Utility Model G 94 13 742.0 U1 and is described as being used in a tunnel finisher for smoothing garments.
  • the filter device described requires a large space in the drying device. Especially However, with compact household dryers in their dimensions, the installation space is limited.
  • the filter element and cleaning device are arranged rotatably against each other.
  • the cleaning device may be subjected to rotation, whereby a cleaning of the filter element is achieved.
  • the filter element can also be moved in rotation.
  • the respective other element may be arranged stationary, but may alternatively also be rotatably mounted.
  • FIG. 1 shows a conventional clothes dryer on the principle of condensation in section, the arrows indicate the air flow of the closed air circuit in the operation of the clothes dryer.
  • a drying space 1 in the form of a drum is typically equipped with dry material and is supplied with warm, dry air through rear feeds.
  • the air absorbs the moisture from the dry material in the drying room 1.
  • the moist, warm air is removed via the door 2 of the tumble dryer and freed in a filter device 3 of particles, in particular lint.
  • the thus purified air is fed to a heat exchanger 4, in which it is first cooled in a cooling device 41 for moisture delivery, and then heated by means of a heater 42 again.
  • the cycle is closed by the thus heated, dry air is fed via a blower 5 back to the drying room 1.
  • FIG. 2 shows a perspective view of an embodiment of a filter device 3.
  • a housing 36 contains two juxtaposed filter elements 31 and 37 with associated scrapers 32 and 38. Details of filter element and wiper are based of the filter element 31 and the wiper 32 explained.
  • the further filter element 37 and the further scraper 38 are constructed in the same way.
  • the filter element 31 is circular and has a filter surface 311 and a ring gear 312 on its outer periphery.
  • filter surface or "effective filter surface” in the present application is that surface of the filter element which is equipped with filter material.
  • a filter material for example, serve a wire or plastic mesh whose mesh size is adapted to the size of the particles to be deposited.
  • Other air filters such as air filters on porous filter material, may also be used.
  • filter element in the present application refers to the element which contains the filter material for filtering the supplied air.
  • the entire “filter element” is made of filter material.
  • a circular filter element may consist entirely of filter material. But it can also be provided holding structures for the filter material. Included is also an embodiment in which only a partial surface of such a filter element is designed as an effective filter surface.
  • the filter element and in particular its filter surface is preferably "flat" in the sense of not curved.
  • the filter element is arranged in a plane.
  • such a filter element is preferably braced, fastened, or otherwise arranged in such a way that it has a planar shape in the air duct. Due to the air flow caused curvatures of the filter element are irrelevant in the sense of the definition, as well as, for example, connected to the filter element webs for its stabilization, irregular filter material, or the like.
  • the wiper 32 strips off the filter element 31, and in particular its effective filter surface and thus frees them from the pleasure current deposited particles.
  • the wiper 32 is usually in contact with the filter element 31 and is moved over the effective filter surface.
  • a stripping of filter element surfaces, which are not effective filter surfaces, makes sense, as there adhering particles can also be collected in a later to be described Flusendepot.
  • the air flow to be filtered impinges on the sides of the filter device 3 defined by the wipers 32, 38 from the front FIG. 2 ,
  • the filter element 31 can be set in a rotational movement about a straight line through its center of the circle.
  • an (outer) sprocket 312 of the filter element 31 cooperates with a drive worm 341 as a worm gear, which is driven by a drive 34, for example an electric motor.
  • a drive 34 for example an electric motor.
  • the filter device 3 after FIG. 2 is only a drive 34 and a drive screw 341 for simultaneously driving both filter elements 31 and 37 required because the drive screw 341 with the sprockets of both filter elements 31 and 37 cooperates.
  • a scraper is provided as a cleaning device for the filter element.
  • the cleaning device may alternatively or in addition to a scraper air cleaner, water purifier, or have other cleaning agents.
  • the Abstreifhalter one provided with nozzles Hold hose whose nozzles are directed to the inner surface of the filter element and which hose is pressurized with compressed air for cleaning.
  • the filter element can be freed of particles equally.
  • such a hose is then arranged at least slightly spaced from the inside of the filter element.
  • the hose instead of compressed air and a cleaning liquid, such as water, are supplied under pressure.
  • the housing 36 includes a sealing ring 361 for sealing, for example against an inlet module.
  • the filter device 3 contains a collecting basin for the particles scraped off by the filter element 31. This reservoir is also called Flusendepot 33. It has a drawer shape and is screwed to the underside of the housing 36. However, the lint depot 33 may also be easily detachably connected to the housing 36 in order to facilitate emptying of the lint depot 33.
  • the housing 36 includes a lint 362 through which the stripped particles may fall into the lint depot 33.
  • the scraper 32 is arranged stationary in the present case, so that by rotating the filter element 31, a relative rotational movement between scraper 32 and filter element 31 is generated.
  • the wiper 32 may also be subjected to a rotary movement and the filter element 31 may be stationary.
  • the scraper 32 is preferably provided with an (outer) sprocket, which is driven by a worm gear.
  • a rotary drive for scraper 32 and filter element 31 can cause a rotational movement of these elements against each other.
  • FIG. 3 shows a cross section through an arrangement according to FIG. 2 , plus a cut through a further filter device, which corresponds to the first filter device 3 and is arranged immediately in front of the first filter device 3.
  • the elements are in turn described only on the basis of the filter element 31 and the scraper 32, but otherwise identical in the other filter element-scraper combinations.
  • the wiper 32 spans the filter element 31 radially with a wiper holder 323.
  • the wiper holder 323 holds a wiper lip 322 that is in contact with the filter surface 311 of the filter element 31.
  • Wiper lips 322 may be made of rubber, for example, or formed as bristle elements.
  • the wiper lip has a longitudinal extent of approximately half the diameter of the filter element 31.
  • FIG. 3 shows a total of four filter element-scraper combinations, two of which are each juxtaposed, ie with lying in a common plane filter surfaces, two of which are arranged one behind the other, ie with a two-stage cleaning mechanism, wherein the exhaust air of the first filter element-scraper combination of the subsequent filter element Wiper combination is supplied.
  • the two or more arrangements "in a row” can generally be used if the air flow is to be cleaned at least twice and an increased air quality at the outlet of the filter device is to be achieved.
  • the or each further filter element may have the same filter effect as the first filter element in such an arrangement, but may preferably also have a higher filtering effect and, for example, be more fine-meshed than the upstream one Filter element, so that the upstream filter element initially frees the air from large particles while the downstream filter element separates smaller particles from the thus filtered air.
  • a two- or multiple arrangement "side by side” can generally be used if the installation conditions in the household appliance do not allow a single, large filter element.
  • a single circular filter element with sufficiently large filter surface can be difficult to arrange in the device, so that in its place two or more adjacent filter elements form a more compact filter device.
  • “side by side” and “behind one another” filter elements can be combined as desired into one or more filter devices.
  • FIG. 4 shows a perspective view of a combination of a filter device 3 and an inlet module 7.
  • a pipe 6 is fastened via fastening means, in the present structure, for example via a pipe clamp 61, to the inlet module 7 and supplies the air to be filtered to the inlet module 7.
  • the inlet module 7 is with connected to the housing of the filter device 3, for example via a screw connection as indicated, and supplies the air to be filtered further to the filter device 3.
  • a shaft of the drive screw 341 protrudes from the filter device 3 out.
  • a window 71 in the inlet module 7 allows access to the screwed filter device 3, in particular its scraper and the filter element.
  • FIG. 5 shows an exemplary household appliance with a transparent housing 8 for illustrative purposes in the form of a tumble dryer with a drying room 1, a door 2 and a filter device 3.
  • the filter device 3 is fed via a not-shown pipe with the exhaust air from the drying room 1.
  • the filter device 3 is modular with two adjacent filter elements in a common housing 36, and two such successively arranged filter modules.
  • the filter modules are easy to remove and replace.
  • a common, drawer-shaped flute depot 33 is disposed below the filter modules and collects the particles deposited by all the filter elements.
  • the lint depot 33 can be made extendible, so that disposal of the particles is easily possible. It may be from the front of the device, e.g. below the user's door, be accessible.
  • the filter device 3 is preferably arranged in a device foot 9 of the household appliance.
  • the household appliance is placed with the device foot 9 on the ground.
  • the filter device 3 is arranged in the device foot 9 near the door to keep the length of a pipe for the air supply low.
  • FIG. 6 shows a clothes dryer in a perspective view with a housing 8 and a door 2 to the drying room 1.
  • a device foot 9 has at its front below the door 2 a flap 81, which allows access to a filter device 3 consisting of three filter modules.
  • the filter modules are drawn in pulled out state. They are bolted together and have a common river depot 33.
  • the Flusendepot 33 is attached from below against the filter modules and has an opening through which the lint can be disposed of.
  • Each filter module also has guide grooves 363, which correspond with webs 91 in the housing foot 9 and facilitate the insertion of the filter device 3 into the housing foot 9.
  • FIG. 7 shows the arrangement of a filter device, for example in a door 2 of a household appliance.
  • the wiper 32 with stripping holder 323 and wiper lip 322 is attached to the door 2 via a ring 321.
  • the filter element 31 is rotatably mounted with its circular, effective filter surface 311 and a ring gear 312 about the filter surface 311.
  • the clamping of the filter device 3 against a frame 21 of the door 2 via various rings, of which a Teflon ring 24, the rotation of the filter element 31 with a low frictional resistance to the Frame 21 of the door 2 allows.
  • a spring ring 22 pushes the filter element 31 outwards against the scraper, whereby a cleaning for advantageous contact between scraper 32, and in particular its wiper lip 322, and the filter surface 311 is formed.
  • a sealing ring 23 seals the filter device 3 from.
  • FIG. 8 shows in a partially exploded view of another advantageous embodiment of a filter device 3, here with a single cooperating with a scraper 32, circular filter element 31 in a housing 36.
  • the housing 36 further has a feed gap 362 for another filter element 37.
  • This further filter element 37 is designed as a conventional lint filter and can be cleaned manually after removal from the housing 36.
  • a river depot 33 is provided.
  • the housing 36 and the Flusendepot 33 are inserted through a flap 391 in another housing 39.
  • the further housing 39 contains a drive 34 for driving the filter element 31.
  • the filtered air leaves through a rear opening the further housing 39.
  • the air to be filtered is fed through a not-shown opening in the flap 391 of the filter device 3.
  • the whole arrangement after FIG. 8 is also designed as a filter module that can be easily installed in, for example, the device foot of a household appliance.
  • the Flusendepot 33 can be accessible, for example, via a flap in the housing of the household appliance and the flap 391 of the other housing 39, removed, and emptied.
  • FIG. 9a shows one of the filter device after FIG. 8 similar filter device 3 in longitudinal section in the installed in a device foot 9 state.
  • FIG. 9b is the associated perspective view.
  • the air to be filtered is first fed via components of the dryer housing 8 to the filter element 31 with associated wiper 32, before the filtered air is then supplied to the further filter element 37.
  • An exemplary distance between the first and the further filter element 31 and 37 is given as 30 mm. Preferably, this distance is less than 100 mm.
  • the stripped fluff are accessible via a flap 81 in the dryer housing 8.
  • the exhaust air from the further filter element 37 is supplied to a cooling device 41.
  • An exemplary distance between the filter device 3 and the cooling device 41 is 40 mm, but is preferably smaller than 100 mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
EP10000744.2A 2010-01-26 2010-01-26 Appareil ménager, notamment sèche-linge Active EP2226421B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP10000744.2A EP2226421B1 (fr) 2010-01-26 2010-01-26 Appareil ménager, notamment sèche-linge
PL10000744T PL2226421T3 (pl) 2010-01-26 2010-01-26 Sprzęt gospodarstwa domowego, zwłaszcza suszarka do bielizny
DK10000744.2T DK2226421T3 (en) 2010-01-26 2010-01-26 Household appliance, especially dryer
SI201030594T SI2226421T1 (sl) 2010-01-26 2010-01-26 Gospodinjski stroj, še zlasti sušilnik perila

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10000744.2A EP2226421B1 (fr) 2010-01-26 2010-01-26 Appareil ménager, notamment sèche-linge

Publications (2)

Publication Number Publication Date
EP2226421A1 true EP2226421A1 (fr) 2010-09-08
EP2226421B1 EP2226421B1 (fr) 2014-02-19

Family

ID=42237362

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10000744.2A Active EP2226421B1 (fr) 2010-01-26 2010-01-26 Appareil ménager, notamment sèche-linge

Country Status (4)

Country Link
EP (1) EP2226421B1 (fr)
DK (1) DK2226421T3 (fr)
PL (1) PL2226421T3 (fr)
SI (1) SI2226421T1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011139095A3 (fr) * 2010-05-04 2012-01-05 Lg Electronics Inc. Appareil de traitement de vêtements
EP2495363A1 (fr) 2011-03-01 2012-09-05 V-Zug AG Sèche-linge doté d'un nettoyage du filtre à peluches
EP3162950A1 (fr) * 2015-10-30 2017-05-03 Whirlpool EMEA S.p.A Filtre pour un appareil ménager adapté pour sécher du linge et appareil ménager comprenant tel filtre
WO2018121867A1 (fr) * 2016-12-29 2018-07-05 Electrolux Appliances Aktiebolag Sèche-linge comprenant un ensemble filtre et procédé pour nettoyer un ensemble filtre
US11047085B2 (en) 2016-12-29 2021-06-29 Electrolux Appliances Aktiebolag Laundry dryer comprising a filter assembly and a method to clean a filter assembly
CN113144709A (zh) * 2020-01-22 2021-07-23 Bsh家用电器有限公司 导水家用器具
EP3954820A1 (fr) * 2020-08-14 2022-02-16 BSH Hausgeräte GmbH Appareil électroménager à circulation de fluide

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8224528U1 (de) 1982-08-31 1983-02-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektrischer waeschetrockner
WO2001096647A1 (fr) 2000-05-24 2001-12-20 Electrolux Nyborg A/S Seche-linge a tambour equipe d'un filtre
US20080235978A1 (en) 2007-03-26 2008-10-02 Michael Epstein Self-cleaning lint collector
FR2931489A1 (fr) 2008-05-20 2009-11-27 Fagorbrandt Sas Procede de retrait des peluches dans une machine a secher le linge comprenant un filtre a peluches

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8224528U1 (de) 1982-08-31 1983-02-03 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Elektrischer waeschetrockner
WO2001096647A1 (fr) 2000-05-24 2001-12-20 Electrolux Nyborg A/S Seche-linge a tambour equipe d'un filtre
US20080235978A1 (en) 2007-03-26 2008-10-02 Michael Epstein Self-cleaning lint collector
FR2931489A1 (fr) 2008-05-20 2009-11-27 Fagorbrandt Sas Procede de retrait des peluches dans une machine a secher le linge comprenant un filtre a peluches

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011139095A3 (fr) * 2010-05-04 2012-01-05 Lg Electronics Inc. Appareil de traitement de vêtements
US9096970B2 (en) 2010-05-04 2015-08-04 Lg Electronics Inc. Clothes treating apparatus
EP2495363A1 (fr) 2011-03-01 2012-09-05 V-Zug AG Sèche-linge doté d'un nettoyage du filtre à peluches
EP3162950A1 (fr) * 2015-10-30 2017-05-03 Whirlpool EMEA S.p.A Filtre pour un appareil ménager adapté pour sécher du linge et appareil ménager comprenant tel filtre
US11047085B2 (en) 2016-12-29 2021-06-29 Electrolux Appliances Aktiebolag Laundry dryer comprising a filter assembly and a method to clean a filter assembly
CN110114530A (zh) * 2016-12-29 2019-08-09 伊莱克斯家用电器股份公司 包括过滤器组件的衣物干燥机和清洁过滤器组件的方法
WO2018121867A1 (fr) * 2016-12-29 2018-07-05 Electrolux Appliances Aktiebolag Sèche-linge comprenant un ensemble filtre et procédé pour nettoyer un ensemble filtre
CN110114530B (zh) * 2016-12-29 2021-07-13 伊莱克斯家用电器股份公司 包括过滤器组件的衣物干燥机和清洁过滤器组件的方法
US11154910B2 (en) * 2016-12-29 2021-10-26 Electrolux Appliances Aktiebolag Laundry dryer comprising a filter assembly and a method to clean a filter assembly
AU2016434848B2 (en) * 2016-12-29 2023-07-27 Electrolux Appliances Aktiebolag A laundry dryer comprising a filter assembly and a method to clean a filter assembly
CN113144709A (zh) * 2020-01-22 2021-07-23 Bsh家用电器有限公司 导水家用器具
EP3854930A1 (fr) * 2020-01-22 2021-07-28 BSH Hausgeräte GmbH Appareil électroménager à circulation d'eau comprennant une unité de filtration
EP3954820A1 (fr) * 2020-08-14 2022-02-16 BSH Hausgeräte GmbH Appareil électroménager à circulation de fluide

Also Published As

Publication number Publication date
DK2226421T3 (en) 2014-03-10
PL2226421T3 (pl) 2014-07-31
SI2226421T1 (sl) 2014-05-30
EP2226421B1 (fr) 2014-02-19

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