EP2124698B1 - Dispositif de guidage pour sac à poussière d'aspirateur - Google Patents

Dispositif de guidage pour sac à poussière d'aspirateur Download PDF

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Publication number
EP2124698B1
EP2124698B1 EP07856807.8A EP07856807A EP2124698B1 EP 2124698 B1 EP2124698 B1 EP 2124698B1 EP 07856807 A EP07856807 A EP 07856807A EP 2124698 B1 EP2124698 B1 EP 2124698B1
Authority
EP
European Patent Office
Prior art keywords
vacuum cleaner
hollow body
filter bag
cleaner filter
bag
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
EP07856807.8A
Other languages
German (de)
English (en)
Other versions
EP2124698A1 (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
Application filed by Eurofilters Holding NV filed Critical Eurofilters Holding NV
Priority to PL07856807T priority Critical patent/PL2124698T3/pl
Priority to EP07856807.8A priority patent/EP2124698B1/fr
Publication of EP2124698A1 publication Critical patent/EP2124698A1/fr
Application granted granted Critical
Publication of EP2124698B1 publication Critical patent/EP2124698B1/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
    • A47L9/1427—Means for mounting or attaching bags or filtering receptacles in suction cleaners; Adapters

Definitions

  • the invention relates to a vacuum cleaner filter bag comprising a guide device for guiding an air flow into an inlet opening provided in the filter material of the vacuum cleaner filter bag.
  • a vacuum cleaner filter bag is placed in the vacuum cleaner housing.
  • Such vacuum cleaner bags have a holding plate, which are fastened to the filter bag in the region of an inlet opening provided in the filter material of the vacuum cleaner filter bag.
  • a holding device in the vacuum cleaner housing serves to support the holding plate of the filter bag and thus also the filter bag itself.
  • a vacuum cleaner nozzle After inserting a filter bag and closing the housing, a vacuum cleaner nozzle generally engages in a passage opening of the holding plate or in the inlet opening in the filter material.
  • the vacuum cleaner nozzle is usually connected to a vacuum cleaner hose, so that sucked over the vacuum cleaner hose and the nozzle and loaded with dust air is passed into the bag.
  • the shape of the vacuum cleaner filter bag must be designed such that it fits in particular in the interior of the vacuum cleaner housing. Since vacuum cleaner filter bags are usually sold in a collapsed form, they are often still used in partially collapsed state in the vacuum cleaner housing. For this reason, the geometry and dimensioning of the vacuum cleaner bag and the arrangement of the inlet opening and the holding plate must be designed such that the bag unfolds and inflates in a suitable manner, especially at the first start-up and to absorb the particle-laden air flow and dust deposited in its interior to store.
  • vacuum cleaner filter bags having a suitable folding and geometry depending on the type of vacuum cleaner.
  • So far only vacuum cleaner filter bags are offered with a block bottom shape for some types of vacuum cleaners, for example for so-called Upright vacuum cleaner or knock / Bürstsauger.
  • Such block bottom forms are for example in the DE 100 64 608 described.
  • the inlet opening of the filter bag is provided in the block bottom. Due to the special geometry of a block bottom bag is made possible in this way that even in longitudinally formed interiors in vacuum cleaner housings, for example of the aforementioned type, in which the vacuum cleaner is provided for the inlet opening on a short side of the interior, the filter bag in a reliable manner in operation taken and loaded with dust.
  • Filter media which consist only of nonwoven fabric layers, can not or only very badly process into block bottom bags.
  • nonwoven filter media have the advantage that they can achieve particularly good filter properties of the resulting vacuum cleaner filter bag.
  • Deratige filter materials such as those in the EP 0 960 645 are described, have a high dust storage capacity with a long service life.
  • the object underlying the invention is therefore to provide a means so that vacuum cleaner filter bags, in particular from any filter media, can be made available for a wide variety of types of vacuum cleaners.
  • a vacuum cleaner filter bag is known in which the inlet of the vacuum cleaner bag is applied to a tubular vacuum cleaner element.
  • the DE 2 058143 shows a vacuum cleaner with a dust bag with a mouthpiece, which is engaged behind by a stop in the suction direction.
  • a tubular sealing ring is arranged in the region of the mouthpiece, which applies in operation close to the mouthpiece of the vacuum cleaner bag.
  • the bag adapter in particular has an element which is firmly connected by means of a screw and nut to a flange of the vacuum cleaner. On the other side of the adapter, the bag is attached.
  • the US5,092,915 discloses a vacuum cleaner filter bag and a corresponding attachment device.
  • the GB 2 098 055 shows a vacuum cleaner in which a plurality of filter bags are attached to the door, each bag having a mounting collar.
  • a guide device for guiding an air flow into an inlet opening provided in the filter material of a vacuum cleaner bag, comprising a hollow body for guiding the air flow from an inlet opening of the hollow body to an outlet opening of the hollow body, wherein the hollow body is connected to the vacuum cleaner filter bag in such a way that one of the Outlet opening exiting air flow through the inlet opening into the vacuum cleaner filter bag enters, and the inlet opening is arranged in a first plane and the outlet opening is arranged in a second plane, wherein the first and the second plane are inclined by a predetermined angle to each other.
  • Such a guide device makes it possible, in particular due to the mutually inclined inlet and outlet openings of the hollow body, the bag geometry substantially independent of the geometry of the vacuum cleaner interior and in particular the arrangement of the vacuum cleaner socket. A block bottom shape can be avoided, wherein the sucked air flow due to the guide device is nevertheless performed in a suitable manner in the vacuum cleaner filter bag.
  • a guide device allows a vacuum cleaner filter bag to be arranged inside a vacuum cleaner housing in such a way that it is appropriately unfolded and inflated during the first start-up in order to obtain a desired intake of a dust-laden air stream.
  • the filter material or filter medium is the material forming the bag wall, through which air sucked into the bag is filtered, so that particles entrained in the intake air flow are retained in the interior of the vacuum cleaner filter bag or in the filter material.
  • the hollow body thus an air channel is formed, through which the air flow is guided.
  • the hollow body may be formed such that an incoming air flow, in particular a perpendicular to the plane of the inlet opening entering air flow, is deflected by the hollow body or not.
  • Distractable means that the air flow in the plane of the inlet opening differs from the air flow in the plane of the outlet opening.
  • the guide device is designed such that it can be held in a vacuum cleaner housing.
  • the inner wall and / or the outer wall of the hollow body may be formed with respect to the coordinate perpendicular to the first or second plane straight or curved.
  • the hollow body of the guide devices described above may be rigid or flexible.
  • the hollow body of the above-described guide devices may in particular comprise an obliquely cut hollow cylinder.
  • the closed guide curves of the outer surface (outer wall) and the inner surface (inner wall) of the hollow cylinder may have any shape.
  • these guide curves may have a circular shape, so that a circular hollow cylinder is obtained.
  • the guide device can be produced in a particularly simple manner.
  • a hollow body of the guide devices described above may be formed in particular collapsible. This is particularly advantageous in order to enable space-saving packaging, in particular also in combination with vacuum cleaner filter bags connected to the guide device.
  • the hollow body may have folding lines for folding. This allows a simple production and a simple folding.
  • the hollow body may be formed collapsible in the manner of a bellows.
  • it may be designed in the manner of a bellows or concertina bass. In this way, also a simple collapse of the hollow body can be achieved.
  • the above-described guide devices may further comprise a holding plate attachable to a holding device in the vacuum cleaner housing for holding the vacuum cleaner filter bag.
  • a vacuum-cleaner filter bag can advantageously be inserted into a vacuum cleaner housing by one of the guide devices described above.
  • the holding plate can be arranged in particular at the inlet opening of the hollow body.
  • non-detachable is meant “non-destructively releasable”.
  • an adhesive or welded connection is non-detachable, a screw connection, however, is solvable.
  • the guide devices described above may further comprise a sealing element, in particular for sealing a passage opening.
  • the sealing element may be arranged surrounding the outlet opening of the hollow body on the guide device.
  • the sealing element may comprise a thermoplastic elastomer (TPE).
  • TPE thermoplastic elastomer
  • the Shore hardness of the sealing element may be less than that of the connecting device and / or the counter connecting device.
  • the hollow body and / or the sealing element may comprise a plastic, a nonwoven fabric, a paper, in particular cardboard, or a film.
  • nonwoven fabric is used in accordance with the definition according to ISO standard ISO 9092: 1988 or CEN standard EN 29092.
  • a nonwoven fabric may in particular be dry or wet laid or an extrusion nonwoven, in particular a meltblown or a spunbond.
  • wet laid nonwovens and conventional wet laid paper is as defined above, as used by the International Association Serving the Nonwoven and Related Industries EDANA (www.edana.org). So, when we talk about paper here and in what follows, we mean (conventional) wet laid paper, which is excluded in the abovementioned definition of nonwovens.
  • the hollow body, the retaining plate and / or the sealing element may be made of plastic.
  • the hollow body and the holding plate can be integrally formed, for example as an injection molded part.
  • the entire guide device can be formed integrally, in particular made of plastic.
  • the sealing element may be made by means of a 2K injection molding process.
  • the guide device is non-releasably attached to the filter material.
  • the guide device can be glued or welded to the filter material.
  • the filter material may be provided in the form of a flat bag, in particular with a side fold.
  • a guiding device as described above can be used in particular for flat bags, i. in bags without block bottom, be used in an advantageous manner.
  • FIG. 1 Fig. 2 is a schematic cross-section through a vacuum cleaner filter bag with a guide device.
  • the vacuum cleaner filter bag comprises a filter material 11 in which an inlet opening 12 is provided.
  • a filter material for example, a multi-layer filter medium may be provided, as for example in the EP 0 960 645 is described.
  • the filter material is in the form of a flat bag, ie it comprises an upper and a lower piece of filter material, which are superposed on each other along the edge.
  • the filter materials along the edge may be welded together, so that circumferential welds 17 result.
  • a guide device 13 is arranged at the inlet opening 12 in the filter material.
  • the guide device 13 is directly connected to the filter material 11 non-detachably. This can be achieved for example by gluing or by ultrasonic welding.
  • the guide device 13 has a hollow cylinder 14 with a circular base area, which has an inlet opening 15 and an outlet opening 16.
  • the outlet opening 16 is attached to the filter material 11 surrounding the inlet opening 12, so that an air flow entering the hollow cylinder from the outlet opening 16 enters directly into the inlet opening 12 of the filter material.
  • the hollow cylinder 14 is perpendicular to the plane (shown in phantom), which is defined by the inlet opening 15. Both the inner wall and the outer wall of the hollow cylinder are straight with respect to the coordinate perpendicular to this plane.
  • a second plane (shown in solid lines) is defined, which is inclined by a predetermined angle a with respect to the first plane.
  • a holding plate 18 is arranged, with which the vacuum cleaner filter bag can be held by means of the guide device in the vacuum cleaner housing.
  • flat bag (without block bottom) can be used in vacuum cleaners such as upright vacuum cleaner.
  • this avoids that, due to a retaining plate arranged directly at the inlet opening of a filter bag, the vacuum cleaner bag receives a kink on insertion into the vacuum cleaner housing due to the geometry of the vacuum cleaner.
  • the guide device is connected directly and non-detachably to the filter material.
  • the guide device can also be detachably connected to the filter material, in that the guide device has a connection device which cooperates for detachable connection with a counterpart device provided on the filter material.
  • FIG. 2 An example of such a non-inventive Verbinaungs driven is in FIG. 2 shown schematically (without the rest of the guide device).
  • the connecting device comprises a plate 21, in which a passage opening 22 is provided. In the view shown, the side of the connecting device that is connected to the connecting counter device is shown.
  • the hollow body is arranged to the air line, which can be glued or welded, for example, with the plate.
  • the plate 21 has a peripheral edge 23 on which a hinge arm 24 is arranged in the form of a projection.
  • the hinge arm 24 is formed so that it can cooperate with a hinge counterpart.
  • a snap element 25 is arranged, which is designed in the form of a snap hook with two latching noses. Except for the snap hook and the hinge arm of the edge region of the plate is flat.
  • the connecting device also has two sealing elements 26 and 27, which are formed in the form of sealing rings.
  • the sealing element 26 serves primarily to establish a firm connection between the connecting device and the counter connecting device, so that they do not slip against each other after being connected.
  • the second sealing element 27 serves to seal the passage opening 21. In principle, it is also possible that only one of these sealing elements is provided.
  • a connection device with such a sealing element can be produced for example by means of a 2K injection molding process.
  • FIG. 3 shows one to the connecting device according to FIG. 2 complementary non-inventive connecting counter-device, which also has a plate 31, the edge region is formed flat. In the plate, a passage opening 32 is provided for an air flow.
  • This connecting counter-device is non-detachably connected to the filter material, surrounding the inlet opening, for example by gluing or welding.
  • the plate 31 has a peripheral edge 33. On one side of the peripheral edge, an opening 34 is provided, with which the hinge arm 24 cooperates.
  • the connecting device When connecting the connecting device and counter connecting device, the connecting device is inclined at an angle with respect to the connecting counter-device and the hinge arm 24 is inserted into the aperture 34.
  • a part of the hinge arm engages behind the peripheral edge 33 facing the edge of the opening.
  • the Plate 21 is pivotable about this edge as a pivot axis, so that a hinge is formed.
  • the hinge arm may be formed so that its circumference is smaller by a predetermined amount than the aperture opening, so that it has a game when inserting.
  • a latching element 35 is provided on the opposite side of the peripheral edge 33.
  • the locking element is formed by a portion of the edge, in which a recess is formed.
  • the snap hook 25 touches the plate 31 and is deflected in a further pivoting in this direction until the locking lugs of the snap hook engage behind the locking element 35 and a snap connection is obtained.
  • the connecting device and the counter connecting device can be designed such that they are pressed against each other in a latching of the snap hook due to a bias against each other, so that a secure connection is achieved.
  • FIG. 4 shows the non-inventive connecting device and counter connecting device in an interconnected state.
  • a hinge 41 is formed by the hinge arm 24 and the opening 34.
  • the connecting device is arranged at the outlet opening of the hollow body. At the inlet opening may still be arranged a holding plate for holding the vacuum cleaner filter bag in a vacuum cleaner housing.
  • the hollow cylinder and the connecting device can be formed in one piece, for example as an injection-molded part.
  • the hollow cylinder shown may be rigid or flexible. It may in particular consist of an elastic material so that it is deformable.
  • the hollow body can also have the shape of a bellows, which has fold lines like a bellows, so that it can be folded into a flat state.
  • FIG. 5 another example of a guide device is shown.
  • a non-inventive counter connecting device 31 is provided, which is glued to the filter material, for example.
  • a holding plate 51 is arranged to hold the vacuum cleaner filter bag in the vacuum cleaner housing.
  • the holding plate and the connecting device are formed as a common device.
  • a snap hook 25 is arranged in the form of a long projection, which produces a snap connection with the counter connecting device.
  • a hinge arm 24 is arranged in the form of a projection, which cooperates with the opening 34.
  • FIG. 6 Still another example of a guide device is shown. Again, a non-inventive counter connecting device 31 is provided, which is glued to the filter material, for example. At the inlet opening of the hollow cylinder, in turn, a holding plate 51 is arranged. In this example, however, the snap hook of the connecting device is provided at the outlet opening of the hollow cylinder.
  • the holding plate, the hollow cylinder and the connecting device may in particular be integrally formed as an injection molded part. In this way, this injection-molded part can be detachably connected in an advantageous manner to a connecting counter-device 31.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)

Claims (8)

  1. Sac filtrant pour aspirateur à poussières comprenant un matériau filtrant (11), dans lequel est prévu un orifice d'admission (12) pour un flux d'air,
    caractérisé par
    un dispositif de guidage (13) pour guider le flux d'air dans l'orifice d'admission, dans lequel le dispositif de guidage comprend un corps creux (14) pour guider le flux d'air d'un orifice d'entrée du corps creux vers un orifice de sortie du corps creux (16), dans lequel
    le corps creux est relié au matériau filtrant, de telle sorte qu'un flux d'air sortant de l'orifice de sortie entre le sac filtrant par l'orifice d'admission, et
    l'orifice d'entrée est agencé dans un premier plan et l'orifice de sortie est agencé dans un deuxième plan, le premier et le deuxième plan étant inclinés l'un par rapport à l'autre d'un angle prédéterminé,
    dans lequel le dispositif de guidage est fixé de manière non-détachable au matériau filtrant et est conçu de manière à pouvoir être contenu dans un boîtier d'aspirateur à poussières.
  2. Sac filtrant pour aspirateur à poussières selon la revendication 1, dont la paroi intérieure et/ou la paroi extérieure du corps creux est conçue droite ou incurvée par rapport à la coordonnée orthogonale au premier plan ou au deuxième plan.
  3. Sac filtrant pour aspirateur à poussières selon l'une quelconque des revendications précédentes, dans lequel le corps creux comprend un cylindre creux, en particulier un cylindre creux tronqué de façon oblique.
  4. Sac filtrant pour aspirateur à poussières selon l'une quelconque des revendications précédentes, dans lequel le corps creux est conçu de manière repliable, en particulier dans lequel le corps creux présente des lignes de pliage permettant un pliage.
  5. Sac filtrant pour aspirateur à poussières selon l'une quelconque des revendications précédentes, comprenant en outre une plaque de support, qui peut être montée à un moyen de support dans un boîtier d'aspirateur à poussières afin de maintenir le sac filtrant pour aspirateur à poussières.
  6. Sac filtrant pour aspirateur à poussières selon l'une quelconque des revendications précédentes, comprenant en outre un élément d'étanchéité, en particulier pour étanchéifier un orifice de passage.
  7. Sac filtrant pour aspirateur à poussières selon l'une quelconque des revendications précédentes, dans lequel le corps creux, le moyen de connexion et/ou l'élément d'étanchéité comprend une matière plastique, une matière non tissée, un papier, en particulier du carton, ou un film.
  8. Sac filtrant pour aspirateur à poussières selon l'une quelconque des revendications précédentes, dans lequel le matériau filtrant est prévu sous la forme d'un sac plat, en particulier muni d'un soufflet latéral.
EP07856807.8A 2006-12-15 2007-12-17 Dispositif de guidage pour sac à poussière d'aspirateur Active EP2124698B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL07856807T PL2124698T3 (pl) 2006-12-15 2007-12-17 Człon prowadzący do worka filtracyjnego odkurzacza
EP07856807.8A EP2124698B1 (fr) 2006-12-15 2007-12-17 Dispositif de guidage pour sac à poussière d'aspirateur

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP06026077A EP1932461B1 (fr) 2006-12-15 2006-12-15 Sac à poussière d'aspirateur avec dispositif de guidage
PCT/EP2007/011071 WO2008071449A1 (fr) 2006-12-15 2007-12-17 Dispositif de guidage pour sac à filtre d'aspirateur
EP07856807.8A EP2124698B1 (fr) 2006-12-15 2007-12-17 Dispositif de guidage pour sac à poussière d'aspirateur

Publications (2)

Publication Number Publication Date
EP2124698A1 EP2124698A1 (fr) 2009-12-02
EP2124698B1 true EP2124698B1 (fr) 2013-08-14

Family

ID=37907438

Family Applications (2)

Application Number Title Priority Date Filing Date
EP06026077A Active EP1932461B1 (fr) 2006-12-15 2006-12-15 Sac à poussière d'aspirateur avec dispositif de guidage
EP07856807.8A Active EP2124698B1 (fr) 2006-12-15 2007-12-17 Dispositif de guidage pour sac à poussière d'aspirateur

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP06026077A Active EP1932461B1 (fr) 2006-12-15 2006-12-15 Sac à poussière d'aspirateur avec dispositif de guidage

Country Status (7)

Country Link
EP (2) EP1932461B1 (fr)
AT (1) ATE422322T1 (fr)
DE (2) DE202006020701U1 (fr)
DK (2) DK1932461T3 (fr)
ES (2) ES2319682T3 (fr)
PL (2) PL1932461T3 (fr)
WO (1) WO2008071449A1 (fr)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2377060A (en) 1942-05-16 1945-05-29 Hoover Co Suction cleaner
DE2058143A1 (de) * 1970-11-26 1972-05-31 Siemens Elektrogeraete Gmbh Elektrischer Staubsauger
US3907530A (en) 1973-11-19 1975-09-23 Studley Paper Company Inc Vacuum cleaner filter bag
GB2098055A (en) 1981-05-07 1982-11-17 Hoover Ltd Suction cleaners
US5092915A (en) 1988-06-17 1992-03-03 The Scott Fetzer Company Disposable dust bag for vacuum cleaners and the like
US5089038A (en) 1989-11-27 1992-02-18 Royal Appliance Mfg. Co. Bag mount assembly for a vacuum cleaner
SE9100286L (sv) * 1991-01-30 1992-07-31 Sten Forsberg Faeste foer dammsugarpaase
FR2750314B1 (fr) * 1996-06-26 1998-10-16 Laplace Xavier Filtre a poussieres pour aspirateur et aspirateur ainsi equipe
CN1618390A (zh) 1998-05-11 2005-05-25 欧洲气流股份有限公司 真空吸尘器袋及改进的真空吸尘器袋
DE10064608A1 (de) 2000-09-29 2002-04-11 Vorwerk Co Interholding Filterbeutel für einen Staubsager
JP2006034537A (ja) * 2004-07-26 2006-02-09 Sanyo Electric Co Ltd 電気掃除機および旋回式集塵装置
DE202006006268U1 (de) * 2006-04-12 2006-06-14 Branofilter Gmbh Vorrichtung zum lösbaren Befestigen eines Staubfilterbeutels in einem staubsaugenden Gerät

Also Published As

Publication number Publication date
EP1932461B1 (fr) 2009-02-11
WO2008071449A1 (fr) 2008-06-19
ES2426781T3 (es) 2013-10-25
EP2124698A1 (fr) 2009-12-02
ATE422322T1 (de) 2009-02-15
PL2124698T3 (pl) 2013-11-29
DK1932461T3 (da) 2009-05-25
DE202006020701U1 (de) 2009-07-02
ES2319682T3 (es) 2009-05-11
PL1932461T3 (pl) 2009-06-30
DE502006002847D1 (de) 2009-03-26
EP1932461A1 (fr) 2008-06-18
DK2124698T3 (da) 2013-08-26

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