EP2449935B1 - Buse d'aspiration et aspirateur de sol - Google Patents

Buse d'aspiration et aspirateur de sol Download PDF

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Publication number
EP2449935B1
EP2449935B1 EP11186425.2A EP11186425A EP2449935B1 EP 2449935 B1 EP2449935 B1 EP 2449935B1 EP 11186425 A EP11186425 A EP 11186425A EP 2449935 B1 EP2449935 B1 EP 2449935B1
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EP
European Patent Office
Prior art keywords
suction
suction nozzle
mouth
nozzle
suction mouth
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.)
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Application number
EP11186425.2A
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German (de)
English (en)
Other versions
EP2449935A1 (fr
Inventor
Benedikt Bach
Alexander Flegler
Christian Fromm
Thomas GÖPPNER
Carsten Hauptlorenz
Joachim Klemm
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BSH Hausgeraete GmbH
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BSH Hausgeraete GmbH
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Publication date
Application filed by BSH Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Publication of EP2449935A1 publication Critical patent/EP2449935A1/fr
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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
    • A47L9/02—Nozzles

Definitions

  • the invention relates to a suction nozzle for a canister vacuum cleaner with a nozzle base provided for abutment on the bottom and a suction mouth which penetrates the latter and which is connected to a port connectable to a vacuum source, wherein the nozzle sole has bearing surfaces in the longitudinal direction on both sides of the suction mouth, which on the suction mouth on the opposite side in sloping to the floor running sliding surfaces, as well as a vacuum cleaner equipped with it.
  • Upright vacuum cleaners usually have a suction nozzle, which is designed as a complex molded injection molded part and provided with a transversely extending suction mouth.
  • the suction mouth is fluidly connected to a mouth of the suction nozzle, which in turn cooperates by means of hose and / or pipes with a located in the housing of the vacuum cleaner vacuum source.
  • the shape of the mouth and suction mouth and the underside of the suction nozzle is of particular importance for the cleaning result to be achieved, for example with respect to the vacuum distribution in the suction mouth and with respect to the sliding forces when moving the suction nozzle on resilient substrates such as carpet or the like.
  • the suction nozzle is usually also equipped with extendable busts and / or thread catchers.
  • the suction nozzle can articulate with high-quality vacuum cleaners and by gravity on the floor in one Connecting part are arranged, which in turn is supported by a roller set on the ground.
  • the performance characteristics of vacuum cleaners for household use are determined, for example, according to the standard DIN EN 60312, for example with regard to the dust absorption capacity (Chapter 2.2.3) and the resistance to movement when moving the suction nozzle in the forward and backward direction (Chapter 4.1).
  • These properties are thus of particular importance both for a standard-compliant design of the vacuum cleaner as well as for a pleasant and effective handling. They are influenced by a variety of geometric and fluidic factors, which have to be matched to achieve a satisfactory result. In this case, a measure to improve a characteristic of use can certainly lead to a deterioration of another property.
  • the contour of the usually made of sheet metal nozzle sole must also be produced in terms of manufacturing technology.
  • a first suction nozzle is known from the published patent application DE 10 2007 009 958 A1 known. Trained as a sheet metal sole underside of the suction nozzle has a transverse suction mouth with on both sides of its long sides parallel to the ground extending support surfaces on which the suction nozzle slides when cleaning carpets.
  • the width of the bearing surfaces is in this embodiment between 0.5 mm to 4 mm, preferably between 1 mm and 2 mm.
  • the sheet-metal soleplate On the sides of the bearing surfaces facing away from the suction mouth, the sheet-metal soleplate is provided with angularly extending sliding surfaces, which in each case enclose an angle of 30 ° to 60 ° when cleaning with the floor.
  • the regions of the sheet-metal soleplate assigned to the suction mouth, which form the front wall and the rear wall of the suction mouth, are bent approximately vertically upwards at an angle of 120 ° to 150 ° and respectively run with a radius of between 0.3 mm and 2 mm, in particular between 0.5 mm and 1 mm, in the assigned bearing surface.
  • the geometry proposed in this document are capable of improvement with regard to a particularly high and uniform suction performance with a pleasant pushing force.
  • a suction nozzle for a vacuum cleaner is described in which the front wall and the rear wall of the suction mouth are each formed wegchanend arcuately.
  • the radius of curvature of the front and rear wall is between 500 mm and 1000 mm.
  • the width of the flow channel which is less than 15 mm on the outside, widens inward in the direction of the centrally arranged orifice to a value of 20 mm to 25 mm.
  • the depth of the flow cross section increases in the same direction from less than 2 mm to 5 mm to 8 mm.
  • the curvature of the front and rear walls of the suction mouth is intended to make it easier to move the suction nozzle onto the carpet floor, but overall, without optimizing the nozzle sole, this does not lead to a positive result.
  • a suction nozzle with a front and a rear suction mouth is known, which are fluidly connected to a common mouth.
  • This suction nozzle is equipped with sliding surfaces, wherein a first, front sliding surface is provided from front to rear at an angle of 4 ° to 8 ° sloping to the front suction mouth, a second, medium sliding surface from front to back by 0.5 to 1, 5 mm sloping between the front and rear suction mouth is arranged and a third, rear Angleit Matter from front to rear with an angle of 1 ° and 5 ° rising behind the rear suction mouth.
  • a similar suction nozzle, but with three successively arranged Saugmündern, is in the utility model DE-GM 78 33 705 described.
  • the main channel From the main channel open down several, orthogonal to this aligned suction mouth, which absorb the dust from the floor surface to be cleaned.
  • the main channel has a constant width, but an increasing from outside to inside height.
  • the flow channels of the suction mouths are increasingly arcuately formed both from the outside to the inside in terms of their depth and with respect to their width.
  • the sliding direction is provided in the direction of the extent of the main channel and thus, as usual, transversely to the orientation of the Saugmünder.
  • German utility model DE 78 12 958 U1 discloses a suction nozzle in which the angle of the sliding surfaces to horizontal is between 5 ° and 10 °. In this case, bearing surfaces are made extremely wide.
  • German patent application DE 10 2004 005 641 A1 describes a suction nozzle whose front sliding surface is inclined with respect to the horizontal at an angle of 19 °.
  • the sliding surfaces extend directly to the rounded suction edges, so that the bearing surfaces are formed only linear and thus without width.
  • Offenlegungsschrift DE 103 12 905 A1 relates to a suction nozzle, the rear sliding surface is inclined at an angle of about 13 ° relative to the horizontal, but also goes directly into the rear suction edge. In the front region, the sliding surface is arcuate, so that no particular angle is set to the horizontal. The front sliding surface also passes directly into the associated suction edge.
  • the utility model DE 88 09 802 U1 discloses a suction nozzle with an arcuate front sliding surface. About the rear sliding surface and the formation of possible bearing surfaces the document can be taken no information.
  • DD 155293 discloses a floor plate for vacuum cleaner nozzles which is suitable for cleaning carpets and smooth floors.
  • Air inlet nozzles or openings are preferably arranged symmetrically distributed over the entire base plate on the inner Saugkanal lake and or the support surface with an air inlet cross section of 50 to 250 mm 2 at an air flow range of the vacuum cleaner from 50 to 250 watts.
  • a partially encircling sealing surface with a width of preferably 0.5 to 3.5 mm calculated after leakage of the radius to the floor facing away side in the bottom plate available.
  • the European patent application EP 1964501 A2 describes a sheet-metal sole for a vacuum cleaner nozzle with a formed on its underside transversely extending suction mouth, which is bounded by a front and a rear Saugmundwand and obliquely aligned sliding surfaces in front of and behind the suction mouth, wherein in each case the transition region between a suction mouth and the associated slide surface Suction mouth edge has.
  • Each of the suction mouth walls, in a first rounding, which determines a suction mouth edge merges into a horizontal plateau, the plateau being followed by a second rounding, which merges into the associated obliquely running sliding surface.
  • the between the sliding surfaces and the horizontally formed angle are each between 30 ° and 60 °.
  • the plateau has a width between 0.5 mm and 4 mm in the longitudinal direction.
  • the European patent application EP 0 382 598 A1 concerns a suction device for laid-out carpets and fitted carpets also solid, dry and wetted floors.
  • the suction device consists of a housing with a suction tube and a foot plate which encloses at least one suction between corresponding sliding surfaces, which is connected via a channel with the suction tube, while additionally a movable plate is provided with a brush strip, which in a gap between the base plate and the housing protrudes.
  • the movable plate is movable by means of an actuating element in an upper position for the cleaning of laid and stretched carpets and a lower position for the cleaning of hard floors.
  • On the movable plate is on the side of the suction opening, which runs opposite to the rectilinear region of the brush bar, a Abschabelement.
  • the European patent application EP 0 818 173 A2 describes a three-purpose vacuum cleaner nozzle, which is designed for dry vacuuming on carpets, for dry vacuuming on smooth floors and for wet vacuuming on smooth floors.
  • the structure includes a suction head, a lower suction head plate with a suction mouth, a Can be raised and lowered arranged holder with a flexible Abziehlippe and at least one roller at the rear end of the suction head.
  • the Abziehlippe is arranged in front of the suction mouth.
  • Stüzrollen are provided which stand up with sawn-off holder on the ground and determine together with a roller the bottom-side functional distance of the Abziehlippe when sucking smooth floors.
  • the invention has for its object to further develop a generic suction nozzle and a vacuum cleaner equipped so that when cleaning resilient flooring a good cleaning result can be achieved with a pleasantly low resistance to movement.
  • the object underlying the invention is achieved by a suction nozzle with the features of claim 1.
  • the object is further achieved by a vacuum cleaner with such a suction nozzle.
  • the pushing force is the force that a user of the vacuum cleaner must apply to move the suction nozzle in operation on the ground, ie on the ground in a direction of movement parallel to the processed soil.
  • the inventors have recognized that in this case a relatively large angle can lead to a low friction of the nozzle sole on the floor covering, but also the sealing of the suction nozzle to the carpet can be reduced, whereby more secondary air is drawn in and the dust absorption is impaired.
  • a particularly small angle significantly increases the resistance to movement.
  • the angle ⁇ and / or ⁇ 'between the horizontal and the front or rear sliding surface is approximately 10 °.
  • the "horizontal" is in the sense of the present invention a Straight, which runs through the support surfaces on both sides of the suction mouth.
  • the angle between the horizontal and the front sliding surface on the one hand and the angle between the horizontal and the rear sliding surface on the other hand are identical in a preferred embodiment of the invention.
  • the width of the bearing surfaces of the suction nozzle in the longitudinal direction between 0.5 mm and 1.5 mm, preferably between 0.9 mm and 1.3 mm.
  • a small bearing surface leads to an increase in the resistance to movement, since the nozzle sole digs into the carpet pile.
  • this also leads to an improved dust pickup, especially at low intake air volumes.
  • An enlargement of the support surfaces reduces the immersion depth and thus the friction forces when moving the suction nozzle, but also within the specified limits, especially for larger volumes of air sucked to a better seal.
  • the suction nozzle is displaceable, in particular about a pivot axis extending in the transverse direction, is arranged on a connecting part.
  • the suction nozzle is connected for use via the connecting part to a suction pipe.
  • At least one sliding wheel is rotatably mounted on the suction nozzle about a second axis of rotation.
  • the underside of the sliding wheel is spaced from the bottom of an adjacent to the front suction edge and rear suction edge and the roller straight up between 0.5 mm to 2.5 mm.
  • a special good dust absorption in conjunction with a low pushing force is achieved by a contact surface with a width of approximately 1.1 mm.
  • the width of the front sliding surface on the one hand and the width of the rear sliding surface on the other hand are identical.
  • embodiments are also covered by the invention in which the widths are different.
  • a suction nozzle wherein the radius of the suction edge between the support surface and extending away from the nozzle sole front wall and / or rear wall of the suction mouth between 0 mm and 2.5 mm, preferably between 1 mm and 2 mm and with particular advantage is approximately 1.5 mm.
  • a small radius between the bearing surface and the front and / or rear wall leads, according to the inventors to a digging of the suction edge in the carpet fibers and thus on the one hand to an increase in resistance to movement, on the other hand, but also to a good Dust removal.
  • Such a design is to be preferred especially for small amounts of air sucked.
  • An increase in the radius worsens the dust absorption, since the carpet fibers are no longer pressed apart when passing from the suction edge. In turn, the reduced immersion depth reduces the resistance to movement.
  • a radius of 1.5 mm leads to a good result in terms of dust absorption and sliding resistance.
  • a radius during bending of the sheet of the nozzle sole advantageously at standard sheet thickness manufacturing technology without special effort feasible.
  • the radius of the front suction edge on the one hand and the radius of the rear suction edge on the other hand are identical.
  • embodiments are also covered by the invention in which the radii are different.
  • the flow cross-section in the suction mouth of the suction nozzle is increasingly formed along the flow path from the outside inwards.
  • a particularly uniform suction over the entire transverse extent of the suction nozzle and a good dust absorption in the edge region of the nozzle sole are achieved.
  • the flow cross-section in the suction mouth of the suction nozzle along the flow path from the outside to the inside steadily increases, that is, there are no constrictions along the flow path, at which the flow cross-section temporarily decreases, and then only increase again.
  • the increase in the flow cross section is preferably effected by a width and / or depth of the suction mouth which increases along the flow path from outside to inside.
  • the increase in the depth of the suction mouth from outside to inside takes place substantially linearly.
  • the flow path in the suction mouth is formed particularly favorable, in particular at air volumes of 40 to 45 liters per second.
  • the front wall of the suction mouth is rectilinear and the rear wall of the suction mouth is arcuate, in particular arcuate, arched away from the outside to the inside of the front wall.
  • the underside of the Gleitrads is preferably spaced from a bottom of the front suction edge and rear suction edge and the roller adjacent straight up between 1.0 and 1.5 mm.
  • the present invention is particularly suitable for use with suction cups with metal sole.
  • a metal sole is partially or even entirely made of metal, more preferably steel.
  • a metal sole can be more resistant and thus more durable than, for example, a plastic sole. Furthermore, it can contribute to an improvement in the ground contact and thus a further improved dust absorption by their weight. Also, it can give the suction nozzle a higher quality appearance.
  • the metal sole is preferably embossed in the inventive
  • All directions and locations refer to a suction nozzle, which rests on a horizontal surface and in the forward direction, ie in the horizontal direction against the longitudinal extent of a suction pipe connected to the suction nozzle in use, is moved.
  • suction nozzle 1 has a nozzle for the plant to be cleaned bottom nozzle sole 2, which is broken by a single suction port 3.
  • the suction mouth 3 goes from the ground pointing the way into a circular arc curved pipe bend 4, which is sealed, but telescopically slidably received by the complementarily curved mouth 5 of a connecting part 6.
  • the suction nozzle 1 is thereby pivotally mounted about an axis of rotation M in the connecting part 6, which in turn in Fig. 2 shown rollers 12 for support on the ground.
  • the nozzle sole 2 is made of a pressed sheet metal part, which is partially embedded in the otherwise injection-molded plastic injection nozzle 1.
  • the suction nozzle 1 has on the nozzle sole 2 in front of and behind the suction mouth 3 a front, horizontally and thus parallel to the ground extending support surface 7 with the width a of 1.1 mm and a rear, horizontally extending support surface 7 'with the width a' of 1, 1 mm up.
  • the bearing surfaces 7, 7 ' distribute the weight of the suction nozzle 1 on the surface to be cleaned and seal it against the circumference of the suction mouth 3 from.
  • This overlay is preferred in the cleaning of resilient floor coverings, such as carpeting.
  • the nozzle sole 2 is usually lifted by extending a brush ring from the ground.
  • a front Aufgleit Structure 8 is provided in front of the front support surface 7, which drops from front to rear at an angle ⁇ of 10 ° in the direction of the support surface 7.
  • the sliding surface 8 prevents a movement of the suction nozzle 1 in the forward direction (-X direction) hooking of the nozzle sole 2 in the carpet.
  • a further slide-on surface 8 ' is provided at an angle ⁇ ' of 10 ° backwards behind the bearing surface 7 '( Fig. 1b ). The sliding surface 8 'prevents snagging of the nozzle sole 2 in the carpet during a movement of the suction nozzle 1 in the reverse direction (X direction).
  • the sheet metal part of the nozzle sole 2 forms a partial region of the front wall 9 and the rear wall 10 of the suction mouth 3 and is folded there from the bearing surfaces 7, 7 'starting approximately at right angles to the top.
  • the thus formed suction edges 11, 11 'each have a radius (R, R') of 2.5 mm, which prevents burial of the suction edges in reverse or forward drive.
  • the front wall 9 in the transverse direction (Y- or -Y-direction) of the suction nozzle 1 is formed to extend straight, while the rear wall 10 is arcuately curved away from the front wall 9 and thus a non-linear from outside to inside from B min to B max increasing width B of the suction mouth 3 causes.
  • the depth T of the flow channel of the suction mouth 3 is, as in Fig. 1 represented, from outside to inside linearly from T min to T max increasingly provided.
  • the flow channel of the suction mouth 3 extends almost over the entire transverse extent of the suction nozzle 1 and is fluidly connected to the mouth 5 relative to its transverse extent centrally.
  • FIG. 3 shows qualitatively the course of the dust receptacle K and the pushing force F s as a function of the angle ⁇ when moving the suction nozzle 1 in the forward direction (-X direction). It is equally valid for reverse displacement (X direction) for dependence on angle ⁇ '.
  • the dust receptacle K is particularly favorable for very small angles ⁇ and initially falls slightly with an increase in the angle ⁇ , but then decreases more sharply.
  • the pushing force F s and thus the resistance to movement are relatively high at a very small angle ⁇ , but on the other hand decrease significantly even with a slight increase in the angle ⁇ .
  • the deterioration of the dust receptacle K is thus negligible, while the resistance to movement is already much cheaper.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Claims (8)

  1. Buse d'aspiration (1) pour un aspirateur de sol, comprenant une semelle de buse (2) prévue pour venir en appui sur le sol et une bouche d'aspiration (3) traversant ladite semelle de buse, laquelle bouche d'aspiration est en communication fluidique avec une ouverture (5) pouvant être raccordée à une source de dépression, où la semelle de buse (2) présente des deux côtés de la bouche d'aspiration (3), dans le sens de la longueur, des surfaces d'appui (7, 7') qui se transforment en surfaces de glissement (8, 8') s'étendant en oblique par rapport au sol, sur le côté placé à l'opposé de la bouche d'aspiration (3),
    où l'angle (α) formé entre l'horizontale et la surface de glissement avant (8) et/ou l'angle (α') formé entre l'horizontale et la surface de glissement arrière (8') est compris entre·8,5° et 15°, et la largeur des surfaces d'appui (7, 7') est comprise entre 0,9 mm et 1,3 mm dans le sens de la longueur,
    caractérisée en ce que la buse d'aspiration (1) est disposée sur une pièce de liaison (6), de façon déplaçable, et la pièce de liaison (6) peut être supportée sur le sol au moyen de rouleaux (12), où au moins une roue de glissement (13) est montée sur la buse d'aspiration (1), en pouvant tourner autour d'un second axe de rotation, et le dessous de la roue de glissement (13) est espacé, vers le haut, entre 0,5 mm et 2,5 mm par rapport à une droite contiguë, en partant du bas, au bord d'aspiration avant, au bord d'aspiration arrière ainsi qu'au rouleau (12).
  2. Buse d'aspiration selon la revendication 1, caractérisée en ce que la largeur des surfaces d'appui (7, 7') est approximativement de 1,1 mm dans le sens de la longueur.
  3. Buse d'aspiration selon l'une ou l'autre des revendications précédentes, caractérisée en ce que le rayon (R, R') du bord d'aspiration (11, 11'), entre la surface d'appui (7, 7') et la paroi avant (9) s'éloignant de la semelle de buse (2) et/ou la paroi arrière (10) de la bouche d'aspiration (3), est compris entre 0,5 mm et 2,5 mm, de préférence entre 1 mm et 2 mm, de façon particulièrement avantageuse est approximativement de 1,5 mm.
  4. Buse d'aspiration selon l'une quelconque des revendications précédentes, caractérisée en ce que la section de passage, dans la bouche d'aspiration (3), augmente de l'extérieur vers l'intérieur le long de la voie de passage.
  5. Buse d'aspiration selon la revendication 4, caractérisée en ce que l'augmentation de la section de passage est due à une largeur (B) et à une profondeur (T) de la bouche d'aspiration (3), qui augmentent de l'extérieur vers l'intérieur le long de la voie de passage.
  6. Buse d'aspiration selon la revendication 4 ou 5, caractérisée en ce que l'augmentation de la profondeur (T) de la bouche d'aspiration (3) se produit de façon linéaire, de l'extérieur (profondeur Tmin) vers l'intérieur (profondeur Tmax).
  7. Buse d'aspiration selon l'une quelconque des revendications 4 à 6, caractérisée en ce que la paroi avant (9) de la bouche d'aspiration (3) est configurée de façon rectiligne, et la paroi arrière (10) de la bouche d'aspiration (3) est configurée en se cintrant, de l'extérieur vers l'intérieur, en forme d'arc, en particulier en forme d'arc de cercle, à partir de la paroi avant (9).
  8. Aspirateur de sol comprenant une buse d'aspiration (1) selon l'une quelconque des revendications précédentes.
EP11186425.2A 2010-11-05 2011-10-25 Buse d'aspiration et aspirateur de sol Active EP2449935B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010043514 2010-11-05

Publications (2)

Publication Number Publication Date
EP2449935A1 EP2449935A1 (fr) 2012-05-09
EP2449935B1 true EP2449935B1 (fr) 2015-09-16

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EP11186425.2A Active EP2449935B1 (fr) 2010-11-05 2011-10-25 Buse d'aspiration et aspirateur de sol

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EP (1) EP2449935B1 (fr)
DE (1) DE102011081838A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012106570B4 (de) 2012-07-19 2014-08-28 Wessel-Werk Gmbh Staubsaugerdüse, insbesondere für Haushaltsstaubsauger
DE102015101019A1 (de) * 2015-01-23 2016-07-28 Wessel-Werk Gmbh Gleitsohle aus Kunststoff für eine Staubsaugerdüse
GB2538140A (en) 2015-03-06 2016-11-09 Wessel-Werk Gmbh Suction nozzle for floor vacuum cleaners
FR3035583B1 (fr) * 2015-04-29 2017-12-01 Seb Sa Semelle de suceur d'aspirateur
FR3035582B1 (fr) * 2015-04-29 2017-06-02 Seb Sa Semelle de suceur d'aspirateur
DE102016101193A1 (de) * 2016-01-25 2017-07-27 Miele & Cie. Kg Bodendüse für einen Staubsauger, ein Staubsauger und ein Verfahren zum Herstellen einer Bodendüse für einen Staubsauger
FR3063627B1 (fr) * 2017-03-10 2021-12-31 Seb Sa Suceur d’aspirateur
DE102018122352A1 (de) * 2018-09-13 2020-03-19 Miele & Cie. Kg Bodendüse mit einer Radanordnung, Staubsauger mit einer Bodendüse und Verfahren zur Herstellung einer Bodendüse

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Publication number Priority date Publication date Assignee Title
GB1493097A (en) 1976-07-09 1977-11-23 Wessel H Suction cleaner nozzles
DE7812958U1 (de) 1978-04-27 1979-10-04 Wessel, Hans, 5226 Reichshof Gleitsohle fuer staubsaugerduesen
DE7833705U1 (de) 1978-11-13 1979-04-26 Vorwerk & Co Interholding Gmbh, 5600 Wuppertal Gleitplatte fuer staubsaugerduesen
DD155293A1 (de) * 1980-12-16 1982-06-02 Harald Frank Bodenplatte fuer staubsaugerduese
DE8809802U1 (de) 1988-08-01 1989-11-30 Siemens AG, 1000 Berlin und 8000 München Staubsaugermundstück
FR2642637B1 (fr) * 1989-02-09 1994-10-07 Olivier Ets Georges Suceur d'aspirateur pour tapis ou moquettes, sols durs secs et sols durs mouilles
DE4304681C2 (de) 1993-02-16 1996-06-05 Wessel Werk Gmbh Einteilige Staubsaugerdüse
DE19628070C2 (de) * 1996-07-12 1999-05-20 Wessel Werk Gmbh Dreizweck-Staubsauger
DE19738046A1 (de) 1997-08-30 1999-03-11 Wessel Werk Gmbh Statische Staubsaugerdüse, insbesondere für Haushaltsstaubsauger
DE19906137C1 (de) 1999-02-13 2000-07-20 Wessel Werk Gmbh Gleitsohle für eine Staubsaugerdüse
DE10312906B4 (de) 2003-02-20 2006-05-04 Wessel-Werk Gmbh Staubstaugerdüse für Glattböden und textile Bodenbeläge
DE102004005641A1 (de) 2004-02-04 2005-09-01 Miele & Cie. Kg Düse für ein Bodenpflegegerät
DE202005020767U1 (de) 2004-06-08 2006-07-06 Seb S.A. Staubsauger-Saugvorrichtung
DE102006024439A1 (de) 2006-05-24 2007-11-29 BSH Bosch und Siemens Hausgeräte GmbH Mehrkanaldüse für Bodenpflegegeräte
DE102007009958B4 (de) * 2007-03-01 2013-08-01 Wessel-Werk Gmbh Blechgleitsohle sowie Verfahren zu deren Auslegung
SE532299C2 (sv) 2008-04-17 2009-12-08 Electrolux Ab Dammsugarmunstycke

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EP2449935A1 (fr) 2012-05-09
DE102011081838A1 (de) 2012-05-10

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