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EP2502535B1 - Dispositif destiné à aspirer à l'aide d'un aspirateur et d'un sac filtrant - Google Patents

Dispositif destiné à aspirer à l'aide d'un aspirateur et d'un sac filtrant Download PDF

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Publication number
EP2502535B1
EP2502535B1 EP11002354.6A EP11002354A EP2502535B1 EP 2502535 B1 EP2502535 B1 EP 2502535B1 EP 11002354 A EP11002354 A EP 11002354A EP 2502535 B1 EP2502535 B1 EP 2502535B1
Authority
EP
European Patent Office
Prior art keywords
filter bag
wall
receiving space
filter
areas
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
EP11002354.6A
Other languages
German (de)
English (en)
Other versions
EP2502535A1 (fr
Inventor
Ralf Sauer
Jan Schultink
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.)
Eurofilters Holding NV
Original Assignee
Eurofilters Holding NV
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
Priority to EP11002354.6A priority Critical patent/EP2502535B1/fr
Application filed by Eurofilters Holding NV filed Critical Eurofilters Holding NV
Priority to DK11002354.6T priority patent/DK2502535T3/da
Priority to PL11002354T priority patent/PL2502535T3/pl
Priority to ES11002354.6T priority patent/ES2445747T3/es
Priority to CN201280024590.0A priority patent/CN103547200B/zh
Priority to AU2012230636A priority patent/AU2012230636C1/en
Priority to NZ615493A priority patent/NZ615493B2/en
Priority to US14/006,042 priority patent/US20140059798A1/en
Priority to BR112013024100A priority patent/BR112013024100A2/pt
Priority to RU2013142198/12A priority patent/RU2553198C2/ru
Priority to PCT/EP2012/001225 priority patent/WO2012126612A1/fr
Priority to JP2014500277A priority patent/JP5758043B2/ja
Publication of EP2502535A1 publication Critical patent/EP2502535A1/fr
Application granted granted Critical
Publication of EP2502535B1 publication Critical patent/EP2502535B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
    • A47L9/1409—Rigid filtering receptacles
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles

Definitions

  • the invention relates to devices for vacuuming with a vacuum cleaner and a filter bag, which is designed as a nonwoven filter bag, disposable filter bag and flat bag with surface wrinkles.
  • a device for vacuuming with a vacuum cleaner and a filter bag is eg off JP-U-5613926 known.
  • Filter bags in the form of non-woven disposable flat bags are the filter bags most commonly used today.
  • the advantage of non-woven bags is the significantly higher dust absorption capacity of the filter bag with higher separation efficiency and longer service life.
  • the flat bag form is the most common form for nonwoven bags since bags of this shape are very easy to manufacture. Because in contrast to the paper filter material used in filter bags made of paper, nonwoven filter material is very difficult to permanently fold because of the high resilience, so that the production of more complex bag shapes, such as block bottom bags or other bottom bag forms, is very complicated and expensive.
  • a flat bag in the sense of the present invention is understood to mean filter bags whose filter bag wall is formed from two individual layers of filter material with the same area such that the two individual layers are connected to one another only at their peripheral edges (the term same area does not exclude, of course, the two Individual layers differ from one another in that one of the layers has an inlet opening).
  • connection of the individual layers can be realized by a weld or adhesive seam along the entire circumference of the two individual layers; but it can also be formed by a single layer of filter material is folded around one of its symmetry axes and the remaining open peripheral edges of the resulting two partial layers are welded or glued (so-called tubular bag). With such a production three welding or gluing seams are therefore necessary. Two of these seams then form the filter bag edge, the third weld can also form a filter bag edge or lie in one of the filter bag walls.
  • a single layer of filter material per se may consist of one or more layers, which may be laminated, for example.
  • Flat bags in the sense of the present invention may also have so-called gussets. These side folds can be completely unfoldable.
  • a flat bag with such gussets is for example in the DE 20 2005 000 917 U1 shown (see there Fig. 1 with folded gussets and Fig. 3 with unfolded gussets).
  • the gussets may be welded to portions of the peripheral edge.
  • Such a flat bag is in the DE 10 2008 006 769 A1 shown (see there in particular Fig. 1 ).
  • flat bag is 2-dimensional structures immediately after production, ie before use have an inner volume which is substantially equal to zero.
  • a filter bag having an internal volume that is substantially zero is not necessarily a flat bag in the sense of the present invention.
  • bag shapes that have a bottom such as in the DE 20 2005 016 309 U1 or the DE 20 2009 004 433 U1 are not flat bags, since they do not consist of two single layers with the same area, which are connected to each other only at their peripheral edges exist.
  • bag shapes which are already 3-dimensional structures after production and thus have a non-zero internal volume, as for example in the WO 00/00269 (see Figures 27 and 28 there) and the DE 10 2007 060 748 (see there in particular Fig. 9) are shown, are not flat bags in the sense of the present invention.
  • a nonwoven filter bag in the sense of the present invention comprises a nonwoven filter material.
  • a nonwoven fabric material a dry-laid or wet-laid nonwoven fabric or an extrusion nonwoven fabric, particularly a melt-spun microfiber spunbond fabric (meltblown nonwoven fabric) or spunbonded nonwoven fabric, may be used.
  • melt-spun microfiber spunbond fabric meltblown nonwoven fabric
  • spunbonded nonwoven fabric spunbonded nonwoven fabric
  • the nonwoven fabric may comprise staple fibers or continuous fibers. Manufacturing technology can also provide several layers of staple fibers or continuous fibers, which are solidified to exactly one layer of nonwoven fabric.
  • the filter material may also be a laminate of a plurality of nonwoven fabric layers, such as filament spunbond fabric and meltblown nonwoven fabric (SMS, SMMS or SnxMS). Such a laminate may be laminated or calendered by means of a hot melt adhesive. The layer of meltblown nonwoven fabric may be creped.
  • nonwoven fabric is used in accordance with the definition according to ISO standard ISO 9092: 1988 or standard EN 29092.
  • the terms nonwoven fabric or nonwoven fabric and nonwoven fabric in the field of production of nonwoven fabrics are delimited from one another as follows and also to be understood in the sense of the present invention.
  • To produce a nonwoven fabric fibers and / or filaments are used.
  • the loose or loose and still unconnected fibers and / or filaments are referred to as nonwoven or nonwoven web.
  • non-woven binding step such a non-woven fabric is finally used to form a non-woven fabric which has sufficient strength to be wound into rolls, for example.
  • a nonwoven fabric is self-supportingly formed by the solidification.
  • the filter bag wall has at least one surface fold. How such surface wrinkles can be formed results, for example, from the European patent application 10163463.2 (see there in particular Fig. 10a and Fig. 10b and Fig. 11a and Fig. 11b). If the filter bag wall comprises several surface folds, then this material is also referred to as a pleated filter material. Such pleated filter bag walls are in the European patent application 10002964.4 shown.
  • Fig. 1 and Fig. 2 show a filter bag in cross-section with a wall, each having two surface folds. By such surface wrinkles, the filter surface of the filter bag is increased, resulting in a higher dust holding capacity of the filter bag with higher separation efficiency and longer life results (each opposite a filter bag with the same outer dimensions without surface wrinkles).
  • Fig. 1 is a filter bag 1 with a filter bag wall 10, which has two surface folds 11 in the form of so-called dovetails shown.
  • the filter bag is shown here in cross section through the filter bag center.
  • the longitudinal axes of the surface wrinkles thus run in a plane which in turn is perpendicular to the plane of the drawing, and the surface wrinkles go at their longitudinal ends in the plane parallel to the plane of the drawing extending and before and behind the plane of the drawing weld seams of the filter bag over.
  • the filter bag is shown here in a state in which the surface wrinkles are already unfolded somewhat.
  • Each dovetail fold 11 has portions 11a that lie in the surface of the filter bag wall 12 and portions 11b that protrude beyond the surface of the filter bag wall 12. These areas 11 b are not unfolded during the first insertion of the filter bag in the vacuum cleaner.
  • Fig. 2 is a filter bag 2 with a filter bag wall 20, which has two surface folds 21 in the form of so-called triangular folds shown.
  • the filter bag is also shown here in cross section through the filter bag center.
  • the longitudinal axes of the surface wrinkles thus run in a plane which in turn is perpendicular to the plane of the drawing, and the surface wrinkles go over at their longitudinal ends in the plane parallel to the drawing plane and lying before and behind the plane of the weld seams of the filter bag.
  • the filter bag is also shown here in a state in which the surface wrinkles are already unfolded.
  • Each triangular fold 21 has areas 21 a, which lie in the surface of the filter bag wall 22, and areas 21 b, which protrude beyond the surface of the filter bag wall 22. These areas 21 b are not unfolded in the first time the filter bag in the vacuum cleaner device.
  • the second filter bag wall of in Fig. 1 and Fig. 2 shown filter bag has no surface wrinkles.
  • this second filter bag wall may also have one or more surface folds.
  • Fig. 1 and Fig. 2 surface wrinkles are also possible surface wrinkles with other shapes. That the surface folds in the versions after Fig. 1 and Fig. 2 perpendicular to a bag edge is not to be understood as a limitation. Of course, the surface wrinkles may also be at an angle to the edges of the bag.
  • Vacuum cleaners of the prior art have filter bag containment spaces with rigid walls.
  • these walls In order for a filter bag to develop its filtering action, these walls have spacer means in the form of ribs or rib-shaped sections which prevent the filter bag with its filter surface from settling against the wall of the filter bag receiving space, thus reducing the effective filtering area.
  • the present invention seeks to improve the known from the prior art device for vacuuming with a vacuum cleaner and a filter bag such that the dust holding capacity of the filter bag is further increased with higher separation efficiency and longer life.
  • a device for vacuuming with a vacuum cleaner and a filter bag according to claim 1, ie by a device in which the filter bag is formed as a non-woven filter bag, disposable filter bag and flat bag with a first filter bag wall and with a second filter bag wall, in which the filter bag has at least one surface fold, each surface fold having areas located in the surface of the filter bag wall and having areas that protrude beyond the surface of the filter bag wall and are deployable in the suction mode in which the vacuum cleaner has a rigid wall filter bag receiving space at least a first spacer means is provided on the walls of the filter bag receiving space such that it beabs the areas of at least one surface fold located in the surface of the filter bag wall from the wall of the filter bag receiving space tandet, and at least one second spacer means is provided so as to keep the deployed portions of the at least one surface fold spaced from the wall of the filter bag containment space.
  • the surface fold may unfold such that the Most of the surface of the surface fold forming filter material is flowed.
  • This increases the effective filter area of the filter bag (as opposed to use in a conventional vacuum cleaner) so that the dust holding capacity of the filter bag can be further increased with higher separation efficiency and longer service life over this conventional device.
  • the height of the first and / or the second spacer means relative to the wall of the filter bag receiving space in a range of 5 mm to 60 mm, preferably from 10 mm to 30 mm lie. These dimensions allow an optimal adaptation of the filter bag receiving space to filter bags with surface wrinkles.
  • each first and each second spacer means may be formed as a web, web-shaped section, bracket, bow-shaped section, rib, rib-shaped section and / or pin.
  • each first and each second spacer means may be formed integrally with the wall of the filter bag receiving space.
  • the filter bag accommodating space of the vacuum cleaner apparatus can be manufactured by an injection molding method. This ensures a simple and inexpensive production of the filter bag receiving space.
  • all the first and second spacer means may be formed as a cage-shaped insert provided in the filter bag accommodation space.
  • the cage-shaped insert can be removed from the filter bag receiving space and made reusable in the filter bag receiving space.
  • the filter bag may have a plurality, preferably three to seven surface folds in the first layer of the filter bag wall and / or several, preferably three to seven surface folds in the second layer of the filter bag wall.
  • FIG. 3 A first embodiment of the present invention is shown. This embodiment is particularly useful for a filter bag with dovetail folds as shown in FIG Fig. 1 is shown suitable.
  • Fig. 3 the filter bag is shown with fully unfolded surface folds 31.
  • the areas 31 a which lie in the surface of the filter bag wall 32 are held by a first spacer means 35 from the wall of the filter bag receiving space 33 spaced.
  • the areas 31 b, which protrude beyond the surface of the filter bag wall 32 are held by second spacer means 36 from the wall of the filter bag receiving space 33 spaced.
  • the height of the first and second spacer means will depend on both the size of the surface fold and the shape of the filter bag containment space.
  • the spacer device can be made smaller than in a case in which the filter bag space, as is conventional in the art, has substantially the shape of a cuboid. In the latter case, especially when the filter bag has multiple surface folds, the first spacers for the different surface folds will also have a different size.
  • the second spacer devices see the reference to Fig. 4 discussed embodiment).
  • the first and second spacer means are presently configured as web-shaped sections which extend in sections along the surface fold.
  • the first and second spacer means are integrally formed with the wall of the filter bag accommodating space 33. This allows a simple production of the filter bag receiving space, for example by an injection molding process.
  • first and second spacer means may also be formed as ribs, rib-shaped portion and / or pins.
  • FIG. 4 A second embodiment of the present invention is shown. This embodiment is particularly useful for a triangular-fold filter bag as used in U.S. Pat Fig. 2 is shown suitable.
  • Fig. 4 the filter bag is shown with fully unfolded surface pleats 41.
  • the areas 41 a, which lie in the surface of the filter bag wall 42 are held by a first spacer means 45 from the wall of the filter bag receiving space spaced.
  • the regions 41b projecting beyond the surface of the filter bag wall 42 are kept spaced from the wall of the filter bag containing space by second spacer means 46.
  • first and second spacers are the same as those of the first embodiment.
  • the first and second spacer means are provided in the form of a cage.
  • the outer shape of this cage is defined by the second spacing means, which define the areas of the surface folds that extend beyond the surface of the filter bag wall.
  • all rods forming the second spacer means are substantially parallel to each other and substantially parallel to the surface folds of the filter bags when properly inserted into the cage.
  • Also substantially parallel to these bars are the bars which form the first spacing means. These bars resemble the shape of the surfaces of the filter bag and thus extend into the interior of the cage formed by the second spacing means.
  • cage bars which extend at an angle, in particular perpendicular, to the bars which form the first and the second spacing means. Such angled bars serve to stabilize certain areas of the filter bag, for example the area of the inflow opening.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Filtering Materials (AREA)

Claims (7)

  1. Dispositif destiné à aspirer de la poussière à l'aide d'un aspirateur et d'un sac filtrant (10, 20), dans lequel
    le sac filtrant est réalisé en tant que sac filtrant en un matériau non-tissé, sous la forme d'un sac filtrant à usage unique et sous la forme d'un sac plat présentant une première paroi de sac filtrant et une deuxième paroi de sac filtrant,
    le sac filtrant présente au moins un pli de surface, chaque pli de surface présentant des zones (31a, 41a), qui sont situées dans la surface de la paroi de sac filtrant (32, 42), et présentant des zones (31b, 41b), qui font saillie au-dessus de la surface de la paroi de sac filtrant (32, 42) et peuvent se déplier au cours du fonctionnement en aspiration,
    l'aspirateur présente un logement de sac filtrant avec des parois rigides, et sur les parois du logement de sac filtrant
    est prévu au moins un premier moyen d'espacement (35, 45), de manière à ce que celui-ci maintienne les zones d'au moins un pli de surface, situées dans la surface de la paroi de sac filtrant, à distance de la paroi du logement de sac filtrant, et
    est prévu au moins un deuxième moyen d'espacement (36, 46), de manière à ce que celui-ci maintienne les zones dépliées dudit au moins un pli de surface, à distance de la paroi du logement de sac filtrant.
  2. Dispositif selon la revendication 1, dans lequel la hauteur des premiers et/ou des deuxièmes moyens d'espacement par rapport à la paroi du logement de sac filtrant, se situe dans une plage de 5 mm à 60 mm, de préférence de 10 mm à 30 mm.
  3. Dispositif selon l'une des revendications précédentes, dans lequel chaque premier et chaque deuxième moyen d'espacement est réalisé en tant que tenon, tronçon de tenon, arceau, tronçon en forme d'arceau, nervure, tronçon en forme de nervure et/ou tampon.
  4. Dispositif selon l'une des revendications précédentes, dans lequel chaque premier et chaque deuxième moyen d'espacement est réalisé d'un seul tenant avec la paroi du logement de sac filtrant.
  5. Dispositif selon l'une des revendications 1 à 4, dans lequel tous les premiers et tous les deuxièmes moyens d'espacement, sont réalisés en tant qu'insert en forme de cage, qui est prévu dans le logement de sac filtrant.
  6. Dispositif selon la revendication 5, dans lequel l'insert en forme de cage est conçu pour être retiré du logement de sac filtrant et pour être à nouveau inséré dans le logement de sac filtrant.
  7. Dispositif selon l'une des revendications précédentes, dans lequel le sac filtrant présente plusieurs, de préférence trois à sept plis de surface dans la première couche de la paroi de sac filtrant, et/ou plusieurs, de préférence trois à sept plis de surface dans la deuxième couche de la paroi de sac filtrant.
EP11002354.6A 2011-03-22 2011-03-22 Dispositif destiné à aspirer à l'aide d'un aspirateur et d'un sac filtrant Active EP2502535B1 (fr)

Priority Applications (12)

Application Number Priority Date Filing Date Title
DK11002354.6T DK2502535T3 (da) 2011-03-22 2011-03-22 Indretning til støvsugning med støvsugerapparat og filterpose
PL11002354T PL2502535T3 (pl) 2011-03-22 2011-03-22 Urządzenie do odkurzania z odkurzaczem i workiem filtrującym
ES11002354.6T ES2445747T3 (es) 2011-03-22 2011-03-22 Dispositivo para la aspìración de polvo con aparato aspirador y bolsa de filtro
EP11002354.6A EP2502535B1 (fr) 2011-03-22 2011-03-22 Dispositif destiné à aspirer à l'aide d'un aspirateur et d'un sac filtrant
AU2012230636A AU2012230636C1 (en) 2011-03-22 2012-03-20 Vacuuming device comprising a vacuum cleaner and a bag filter
NZ615493A NZ615493B2 (en) 2011-03-22 2012-03-20 Vacuuming device comprising a vacuum cleaner and a bag filter
CN201280024590.0A CN103547200B (zh) 2011-03-22 2012-03-20 包括真空清洁器和过滤袋的真空清洁设备
US14/006,042 US20140059798A1 (en) 2011-03-22 2012-03-20 Vacuuming Device Comprising a Vacuum Cleaner and a Bag Filter
BR112013024100A BR112013024100A2 (pt) 2011-03-22 2012-03-20 aparelho aspirador de pó
RU2013142198/12A RU2553198C2 (ru) 2011-03-22 2012-03-20 Устройство для всасывания пыли, содержащее пылесос и фильтровальный мешок
PCT/EP2012/001225 WO2012126612A1 (fr) 2011-03-22 2012-03-20 Dispositif d'aspiration comprenant un aspirateur et un sac filtrant
JP2014500277A JP5758043B2 (ja) 2011-03-22 2012-05-22 掃除機及びバッグ・フィルタを備える真空掃除装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11002354.6A EP2502535B1 (fr) 2011-03-22 2011-03-22 Dispositif destiné à aspirer à l'aide d'un aspirateur et d'un sac filtrant

Publications (2)

Publication Number Publication Date
EP2502535A1 EP2502535A1 (fr) 2012-09-26
EP2502535B1 true EP2502535B1 (fr) 2013-11-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP11002354.6A Active EP2502535B1 (fr) 2011-03-22 2011-03-22 Dispositif destiné à aspirer à l'aide d'un aspirateur et d'un sac filtrant

Country Status (11)

Country Link
US (1) US20140059798A1 (fr)
EP (1) EP2502535B1 (fr)
JP (1) JP5758043B2 (fr)
CN (1) CN103547200B (fr)
AU (1) AU2012230636C1 (fr)
BR (1) BR112013024100A2 (fr)
DK (1) DK2502535T3 (fr)
ES (1) ES2445747T3 (fr)
PL (1) PL2502535T3 (fr)
RU (1) RU2553198C2 (fr)
WO (1) WO2012126612A1 (fr)

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Publication number Priority date Publication date Assignee Title
EP2926705A1 (fr) 2014-04-04 2015-10-07 Eurofilters Holding N.V. Dispositif destiné à aspirer à l'aide d'un aspirateur de chaudière
DK2926706T3 (da) 2014-04-04 2024-06-24 Eurofilters Holding Nv Indretning til støvsugning
CN109715020A (zh) * 2016-09-26 2019-05-03 伊莱克斯公司 空气流改进的真空吸尘器
PL3354178T3 (pl) * 2017-01-31 2022-03-21 Eurofilters Holding N.V. Odkurzacz podłogowy
CA3106987A1 (fr) * 2018-07-27 2020-01-30 Abec, Inc. Recipients jetables et systemes reactionnels

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Also Published As

Publication number Publication date
NZ615493A (en) 2016-04-29
AU2012230636A1 (en) 2013-10-03
ES2445747T3 (es) 2014-03-05
AU2012230636B2 (en) 2015-02-12
AU2012230636C1 (en) 2015-05-07
RU2553198C2 (ru) 2015-06-10
PL2502535T3 (pl) 2014-05-30
CN103547200B (zh) 2015-11-25
WO2012126612A1 (fr) 2012-09-27
BR112013024100A2 (pt) 2016-12-06
JP5758043B2 (ja) 2015-08-05
DK2502535T3 (da) 2014-01-27
JP2014512212A (ja) 2014-05-22
US20140059798A1 (en) 2014-03-06
CN103547200A (zh) 2014-01-29
RU2013142198A (ru) 2015-04-27
EP2502535A1 (fr) 2012-09-26

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