EP3095368B1 - Buse de sol dur pour produits grossiers ou fines poussières - Google Patents

Buse de sol dur pour produits grossiers ou fines poussières Download PDF

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Publication number
EP3095368B1
EP3095368B1 EP16168561.5A EP16168561A EP3095368B1 EP 3095368 B1 EP3095368 B1 EP 3095368B1 EP 16168561 A EP16168561 A EP 16168561A EP 3095368 B1 EP3095368 B1 EP 3095368B1
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EP
European Patent Office
Prior art keywords
suction
sealing means
suction mouth
suction nozzle
central
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
EP16168561.5A
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German (de)
English (en)
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EP3095368A1 (fr
Inventor
Markus Cornelissen
Dominik Diesch
Dirk Hellrung
Frank Lichtenauer
Jörg Sommer
Mathias Varnhorst
Jürgen ZILS
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.)
Vorwerk and Co Interholding GmbH
Original Assignee
Vorwerk and Co Interholding GmbH
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Publication of EP3095368A1 publication Critical patent/EP3095368A1/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
    • A47L9/06—Nozzles with fixed, e.g. adjustably fixed brushes or the like
    • A47L9/0693—Specially shaped nozzles, e.g. for cleaning radiators, tubes, fans or the like; Dusters
    • 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
    • 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
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping

Definitions

  • the invention relates to a suction nozzle for a vacuum cleaner for sucking up dirt and / or dust from a floor by means of a suction air flow with a housing, a suction space formed within the housing, a suction channel opening into the suction space for guiding the suction air flow and an opening at the bottom of the suction space formed suction mouth, wherein the suction mouth has a central suction mouth portion and two side suction mouth portions flanking the central suction mouth portion, and wherein the central suction mouth portion is designed such that the width of the central suction mouth portion increases from the suction channel to the front of the suction nozzle and the height of the central one Suction mouth section from the suction channel to the front of the suction nozzle with an angle of ⁇ 6 ° and ⁇ 10 °.
  • Suction nozzles also referred to as attachments, abbreviated as nozzles or, depending on the intended use, as hard floor or carpet nozzles, are known from practice and are generally used together with a vacuum cleaner to vacuum up dirt and / or dust from a floor.
  • Vacuum cleaners with such suction nozzles regularly have a basic housing in which an electrically operated suction blower motor is arranged to build up a suction air flow.
  • the suction nozzle is typically connected to the vacuum cleaner in a flow-tight manner via a flexible suction hose and / or a handling tube. With suction robots, the suction nozzle is generally integrated into the basic housing itself.
  • a row of bristles or the like is often provided on the suction nozzle for loosening dirt and / or dust from a floor.
  • the dust and / or dirt detached from the floor in this way is entrained by the suction air flow and is usually separated out in a dust collection bag arranged in the basic housing in a dust filter bag.
  • suction nozzles optimized for receiving coarse material are known from the prior art, while other suction nozzles are designed for particularly good absorption of fine dust.
  • hard floor nozzles are often not designed to suck up coarse material, while there are further suction nozzles that can be switched manually between the intake of coarse material and fine dust using a foot switch. By pressing the foot switch, a bristle strip is often extended from the suction nozzle, increasing the distance between the suction nozzle and the floor, so that coarse material can be better picked up or suctioned off.
  • suction nozzles known from the prior art either meet only one of the competing and therefore opposite requirements, that is to say are either predestined for the collection of coarse material or fine dust, or else have to be manually switched between different operating modes by the operator.
  • a suction nozzle for a vacuum cleaner which has a central suction mouth which widens in a V-shape in the working direction of the suction nozzle, both front slots and side slots being formed on the suction mouth, through which the suction air flow generated by the vacuum cleaner can get into the suction mouth.
  • the slots are configured as incisions in the front or lateral web-shaped boundary of the suction nozzle.
  • a suction nozzle which can be used universally for picking up dirt and / or dust of different particle sizes and which is distinguished in particular by a particularly good pickup of coarse material and by a low noise emission.
  • the suction nozzle should allow both coarse material and fine dust to be picked up without having to manually switch an operating mode of the suction nozzle.
  • it is desirable that such a suction nozzle is characterized by a low pushing force.
  • a suction nozzle for a vacuum cleaner for sucking up dirt and / or dust from a floor by means of a suction air flow with a housing, a suction space formed within the housing, a suction channel opening into the suction space for guiding the suction air flow and an as Bottom opening of the suction chamber formed suction mouth, wherein the suction mouth has a central suction mouth portion and two side suction mouth portions flanking the central suction mouth portion, and the central suction mouth portion is designed such that the width of the central suction mouth portion increases from the suction channel to the front of the suction nozzle and the Height of the central suction mouth section from the suction channel to the front of the suction nozzle drops at an angle of ⁇ 6 ° and ⁇ 10 °, with a means for acoustically shielding the suction air flow in the central suction mouth section in the suction air flow direction between the Vo rear side of the suction nozzle and the suction channel is arranged.
  • An essential point of the invention lies in the division of the suction mouth into the central suction mouth section and the two side suction mouth sections, so that separate areas for the reception of fine dust, in particular through the side suction mouth sections, and for coarse material, in particular through the central suction mouth section, are created.
  • the proposed configuration of the central suction mouth section with a width that increases from the suction channel to the front of the suction nozzle, for example with a V-shaped configuration in plan view, and with a height that drops off at an angle of 6 6 ° and 10 10 °, allows coarse material are deflected in an advantageous manner in the preliminary stroke in such a way that it also mechanically moves in addition to the air flow direction Suction channel is supplied.
  • the central suction mouth section acts as a flow diffuser due to its decreasing height, so that, compared to configurations known from the prior art, a substantially better coarse material pickup is achieved.
  • the terminology chosen here for describing the arrangement of the parts of the suction nozzle is such that the position and orientation of the suction nozzle are assumed, as is also the case in operation when vacuuming a floor, in which the suction nozzle is placed on the floor and moves over it becomes.
  • the suction nozzle has a means for acoustically shielding the suction air flow, which is arranged in the central suction mouth section in the direction of the suction air flow between the front of the suction nozzle and the suction channel.
  • a front flow sealing means is provided which is designed and arranged to at least partially limit the central suction mouth section on the front of the suction nozzle.
  • the noise emission of the suction nozzle can be reduced by providing the means for acoustic shielding and / or the front flow sealing means.
  • the configuration and / or dimensioning of the means for acoustic shielding and / or the front flow sealing means is preferred such that the suction nozzle meets the requirements of the Ecodesign Regulation (EU) No. 666/2013 for vacuum cleaners and / or that the volume caused by the suction air flow during suction operation of the floor nozzle is no more than 80 dB (A).
  • the width of the central suction mouth section increases linearly, step-like and / or in a curve shape
  • the height of the central suction mouth section decreases linearly, step-like and / or in a curve shape and / or the height decreases with a Angle drops by 8 °.
  • the combination of a linearly decreasing height at an angle of 8 ° has proven to be particularly advantageous.
  • the front flow sealing means is designed in two parts, the means for acoustic shielding being arranged between the two parts along the front of the suction nozzle.
  • the means for acoustic shielding is configured by two bristle strips extending approximately 5 cm long, which are arranged offset on the housing at an angle of approximately 30 ° to one another.
  • the means for acoustic shielding is preferably framed on both sides by a part of the front flow sealing means in such a way that direct sound emission from the suction channel to the front is reduced and prevented as far as possible.
  • the lateral suction mouth sections are each limited by inner and outer lateral flow sealing means extending from the suction channel to the sides of the suction nozzle in such a way that the central suction mouth section is limited by the inner lateral flow sealing means of the respective lateral suction mouth sections.
  • the inner and outer flow sealing means can in principle be configured as desired to seal the suction air flow, but preferably the lateral flow sealing means are designed as bristle strips, as a single or multi-row arrangement of bristle tufts, as a sealing lip and / or as a combination thereof.
  • the lateral flow sealing means can be formed at least in part by the housing, for example by projections or walls protruding from the housing in the direction of the floor. More preferably, the inner and outer lateral flow sealing means between the suction channel and the side of the suction nozzle extend approximately or essentially parallel to one another.
  • the cross section of the lateral suction mouth section (suction air duct) in the region of the suction duct preferably has an outlet opening with a width of 60 60 mm, 50 50 mm, 40 40 mm, 35 35 mm, 33mm, 30 30 mm or 20 20 mm, the height the outlet opening is preferably 50 50 mm, 40 40 mm, 30 30 mm, 22 mm, 20 20 mm or 10 10 mm.
  • the width of an inlet opening of the lateral suction air duct is preferably 50 50 mm, 40 40 mm, 35 35 mm, 25 mm, 20 20 mm or 10 10 mm, the height of the inlet opening preferably ⁇ 20 mm,.
  • an air passage is formed on the suction channel between the two lateral suction mouth sections, through which a proportion of 40 40% and 65 65% of the suction air flow flows through the central suction mouth section.
  • the opening width of the air passage is preferably 25 mm, 30 mm, 32 mm, 37 mm, 40 mm or 45 mm.
  • the width of the central suction mouth section at the front of the suction nozzle is preferably the same or approximately the same as the width of the suction nozzle.
  • the lateral suction mouth sections extend almost linearly away from the suction channel to the sides of the base area or the suction space, but it is also possible for the suction mouth sections (suction air channels) to bend and / or curve from the suction channel extend away to the side of the base.
  • the bristles or the sealing lips preferably extend vertically away from the housing towards the floor and are designed to be flexible, so that when the suction nozzle is moved in the usual direction of displacement, coarse material or fine dust located on the floor under the bristles or the sealing lips into the central suction mouth section and / or the side suction mouth sections can reach.
  • the two inner flow sealing means preferably limit the passage of the suction air flow between the suction channel and the central suction mouth section.
  • the front flow sealing means is designed to be pivotable into the suction space and is dimensioned such that the front flow sealing means can be pivoted completely into the suction space without touching an inner lateral flow sealing means. In this way it can be ensured that after passing the coarse material, the front flow sealing means can return to the non-pivoted starting position unhindered.
  • the front flow sealing means has a rectangular shape, the front flow sealing means extending from the housing, with the suction nozzle placed on the floor, to the floor, rounded on a side facing away from the side flow sealing means and / or the housing , the front flow sealant first extends from the housing to the floor extending and an adjoining second region, the second region being characterized by a lower strength compared to the first region and / or the front flow sealing means, when the suction nozzle is placed on the floor, angled in the direction of the suction chamber in relation to the normal of the floor (in the sense of angled) is arranged.
  • the front flow sealing means is preferably angled at an angle in the forward stroke direction such that coarse material located outside the central suction mouth section can be transported into the central suction mouth section even without suction air flow and only due to a movement of the suction nozzle in the forward stroke direction.
  • the front flow sealing means is designed such that a gap is formed between the front flow sealing means and the two inner lateral flow sealing means. The gap preferably extends over at least 50 mm.
  • the means for acoustic shielding has a V-like or part-circle shape that opens to a rear side of the suction nozzle and / or the means for acoustic shielding is made of plastic and / or if a front flow sealing means is provided , is made of a material that is harder than the front flow sealing means.
  • the front flow sealing means is designed as a plurality of means for acoustically shielding the suction air flow, the means for acoustically shielding the suction air flow being arranged along the front of the housing.
  • the front flow sealing means is arranged between the suction channel and the front of the housing at a distance from the front or is arranged on the front at an edge of the housing and / or extends parallel to the front.
  • the suction mouth and / or the central suction mouth section has a shape in the manner of an isosceles triangle, the suction channel preferably opening into the suction space formed in the region of the tip between the legs of the triangle, the central suction mouth section extending from the suction channel to extends to the base of the isosceles triangle and the lateral suction mouth sections extend from the suction channel along the respective legs of the isosceles triangle to the corners of the isosceles triangle arranged opposite the tip.
  • a coarse material area formed by the central suction mouth section is arranged in the preliminary stroke of the suction nozzle essentially in front of the fine dust area formed by the lateral suction mouth sections, the lateral suction mouth sections adjoining the central suction mouth section at the corners of the isosceles triangle opposite the tip.
  • fine dust absorption is advantageously made possible at least in corner areas of the suction nozzle and up to the front of the suction nozzle.
  • the two lateral suction mouth sections each extend away from the suction channel to one side of the suction nozzle in such a way that 45 ° ⁇ ⁇ gilt 160 °, preferably 90 ° ⁇ ⁇ gilt, applies to the angle ⁇ between the longitudinal extension directions of the two side suction mouth sections 135 °, very particularly preferably ⁇ approximately equal to 135 °, or the two lateral suction mouth sections extend away from the suction channel in a curve.
  • the central suction mouth section preferably has a triangular shape in the manner of an isosceles triangle, the Base is oriented towards the front of the suction nozzle.
  • the suction mouth has a further central suction mouth section and two further the further central suction mouth section flanking lateral suction mouth sections, wherein the central suction mouth section and the further central suction mouth section extend in opposite directions away from the suction channel in such a way that the two side suction mouth sections and the two further lateral suction mouth sections form an X-shaped arrangement.
  • a suction nozzle designed in this way can accommodate coarse material both in the forward stroke and in the return stroke.
  • the suction nozzle is preferably configured symmetrically, in particular mirror-symmetrically, in the forward stroke and in the return stroke.
  • the suction channel further preferably represents the center point of this embodiment, from which the central suction mouth section with the two lateral suction mouth sections and in particular mirror-symmetrically opposite the further central suction mouth section with the further lateral suction mouth sections extend.
  • Fig. 1 and 2nd show the schematic bottom view of a suction nozzle, also called floor nozzle, according to a preferred embodiment of the invention.
  • the suction nozzle has a housing 1 made of plastic, on which a base plate 2 is formed on the base side.
  • a suction space 3 is formed below the base plate 2, in which a suction channel 4 opens and which forms a suction mouth 5 as an opening on the bottom.
  • the bottom plate 2 and the suction mouth 5 has a shape in the manner of an isosceles triangle, the base 6a of which in the forward stroke direction represents the front of the suction nozzle.
  • the suction channel 4 is connected in a flow-tight manner to a connection piece, not shown, provided on the upper side of the housing 1.
  • a handling tube and / or a flexible hose can be connected in a flow-tight manner to a basic housing of a vacuum cleaner, in which an electrically operated suction fan motor is arranged to build up a suction air flow.
  • dirt and / or dust entrained by the suction air flow from the floor to be cleaned can be separated in a dust filter bag.
  • the suction mouth 5 has a central suction mouth section 6 and two lateral suction mouth sections 7 flanking or enclosing the central suction mouth section 6.
  • the lateral suction mouth sections 7 extend linearly from the suction channel 4 to a corner 7a of the isosceles triangle, so that the angle ⁇ between the longitudinal directions of the two lateral suction mouth sections 7 is 135 °.
  • the lateral suction mouth sections 7 are limited by inner and outer lateral flow sealing means 8.
  • the outer lateral flow sealing means 8 extend from a respective corner 7a of the isosceles triangle along the respective leg and merge into a partial circle between the two legs, partially delimiting the suction channel 4 .
  • the complete rear side of the suction nozzle is delimited by external lateral flow sealing means 8, which are configured here as a row of bristles.
  • the inner lateral flow sealing means 8 extend approximately parallel to the outer lateral flow sealing means 8 away from the suction channel 4 in the direction of the corners 7a in such a way that an air passage 9 for the suction air flow is formed on the suction channel 4 between the two inner lateral flow sealing means 8.
  • the air passage 9 has in the present case a width of approximately 32 mm, while the two lateral suction mouth sections 7 each have a width of approximately 33 mm in the area of the suction channel 4.
  • the aforementioned dimensioning ensures that a portion of approximately 45% of the suction air flow from the suction channel 4 flows through the central suction mouth section 6, while the remaining portion of approximately 55% is evenly divided between the two side suction mouth sections 7.
  • the central suction mouth section 6 has an isosceles triangle shape, the two inner lateral flow sealing means 8 delimiting the legs of the central suction mouth section 6 in a flow-tight manner.
  • the air passage 9 to the suction channel 4 is arranged at the tip of the central suction mouth section 6, while a front flow sealing means 11 is provided opposite the base 6a and coinciding with the front of the suction nozzle for at least partially sealing the central suction mouth section 6.
  • the central suction mouth section 6 increases on the one hand in a funnel or V shape in its width from the suction channel 4 linearly towards the base 6a or front of the suction nozzle, on the other hand the height of the central suction mouth section 6 linearly towards the base from the suction channel 4 6a or the front of the suction nozzle drops at an angle of approx. 8 °.
  • the central suction mouth section 6 acts as a type of flow diffuser, so that the central suction mouth section 6 configured in this way makes it particularly easy to receive coarse material.
  • the front flow sealing means 11 is designed as a flexible sealing lip so that coarse material can pass through the sealing lip.
  • the coarse material arriving in the central suction mouth section 6 is captured by the suction air flow and sucked through the suction channel 4.
  • the front flow sealing means 11 extends from the base plate 2 to the floor, but a gap of approximately 50 mm is formed laterally between the front flow sealing means 11 and the corners 7a of the suction nozzle. So that can be as Front flow sealing means 11 designed to swivel the sealing lip pivot when driving over coarse material into the suction space 3 without touching the inner lateral flow sealing means 8.
  • a means for acoustic shielding 12 is provided to further reduce the noise emission, which means, in the representations of FIGS Figures 1 and 2nd , is designed as a single piece with the housing 1, V-shaped bar, which is oriented from the base plate 2 to the floor, but without touching the floor.
  • the acoustic shielding means 12 configured in this way is arranged in the central suction mouth section 6 in the direction of suction air flow between the base 6a forming the front of the suction nozzle and the suction channel 4.
  • the means for acoustic shielding 12 can also be arranged on the front of the central suction mouth section 6 or on the front of the suction nozzle between parts of the front flow sealing means 11.
  • the front flow sealing means 11 can be designed by a plurality of means for acoustic shielding 12, which are arranged one behind the other on the front side of the central suction mouth section 6 transversely to the direction of the forward stroke.
  • the distance between the front flow sealing means 11 and the means for acoustic shielding 12 is approximately 15 mm, while the distance between the means for acoustic shielding 12 and the inner lateral flow sealing means 8 is in each case approximately 22 mm.
  • the means for acoustic shielding 12 can also be made from two bristle strips which extend approximately 5 cm long and are arranged at an angle of approximately 30 ° to one another on the base plate 2 such that direct sound emission from the suction channel 4 to the Front of the suction nozzle is at least limited.
  • the proposed design of the central suction mouth section with a width widening from the suction channel to the front of the suction nozzle and with a height falling at an angle of ⁇ 6 ° and ⁇ 10 ° enables particularly efficient suction of both fine dust and coarse material , without, as with the configurations known from the prior art, a manual switchover between fine dust and coarse material is necessary. Due to the experimentally confirmed dimensioning of the lateral suction mouth sections 7, a high flow speed and in this respect a large volume flow is also achieved, which also leads to very good and efficient fine dust pick-up. Since the suction mouth 5 has a comparatively small area subject to negative pressure, the embodiment described above is characterized by a low pushing force.
  • the suction nozzle is also distinguished by a very efficient coarse material pickup, with only a low noise emission due to the means for acoustic shielding 12 and due to the front flow sealing means 11.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)

Claims (14)

  1. Buse d'aspiration pour un aspirateur de poussière pour l'aspiration de saletés et / ou de poussières à partir d'un sol au moyen d'un flux d'air d'aspiration, avec un boîtier (1), un espace d'aspiration (3), formé à l'intérieur du boîtiers (1), un canal d'aspiration (4), qui débouche dans l'espace d'aspiration (3) pour guider le flux d'air d'aspiration, et avec une bouche d'aspiration (5), qui est réalisée en tant qu'ouverture de l'espace d'aspiration (3), côté sol, sachant que la bouche d'aspiration (5) est dotée d'une partie de bouche d'aspiration centrale (6) et de deux parties de bouche d'aspiration latérales (7), qui longent la partie de bouche d'aspiration centrale (6), et que la partie de bouche d'aspiration centrale (6) est réalisée de manière à ce que la largeur de la partie de bouche d'aspiration centrale (6) s'agrandisse à partir du canal d'aspiration (4) vers le côté avant de la buse d'aspiration et que la hauteur de la partie de bouche d'aspiration centrale (6) s'abaisse à partir du canal d'aspiration (4) vers le côté avant de la buse d'aspiration sous un angle de > 6° et de ≤ 10°, caractérisée en ce qu'un moyen de protection acoustique (12) contre le flux d'air d'aspiration est disposé dans la partie de bouche d'aspiration centrale (6), dans la direction du flux d'air d'aspiration, entre le côté avant de la buse d'aspiration et le canal d'aspiration (4).
  2. Buse d'aspiration selon la revendication 1, sachant que la largeur de la partie de bouche d'aspiration centrale (6) augmente linéairement, en forme de marche et/ou de courbure, que la hauteur de la partie de bouche d'aspiration centrale (6) diminue linéairement, en forme de marche et/ou de courbure, et/ou que la hauteur s'abaisse sous un angle de 8°.
  3. Buse d'aspiration selon la revendication 1 ou 2, avec un moyen d'étanchéification contre le flux d'aspiration (11), qui est réalisé et disposé pour limiter la partie de bouche d'aspiration centrale (6), au moins par sections.
  4. Buse d'aspiration selon la revendication 3, sachant que le moyen avant d'étanchéification contre le flux d'aspiration (11) est divisé en deux parties et que le moyen de protection acoustique (12) est disposé entre les deux parties, le long du côté avant de la buse d'aspiration.
  5. Buse d'aspiration selon l'une des revendications précédentes, sachant que les parties de bouche d'aspiration latérales (7) sont limitées chacune par des moyens d'étanchéification contre le flux latéraux, intérieurs et extérieurs (8), qui s'étendent du canal d'aspiration (4) jusqu'aux côtés (9a) de la buse d'aspiration, de manière à ce que la partie de bouche d'aspiration centrale (6) soit limitée par les moyens d'étanchéification contre le flux latéraux, intérieurs et extérieurs (8) de la partie de bouche d'aspiration latérale (7) respective.
  6. Buse d'aspiration selon les revendications 3 et 5, sachant que le moyen d'étanchéification contre le flux d'aspiration avant (11) est conçu de manière à pouvoir être pivoté dans l'espace d'aspiration (3) et dimensionné de manière à ce que le moyen d'étanchéification contre le flux d'aspiration avant (11) puisse être complètement pivoté dans l'espace d'aspiration (3) sans toucher un moyen d'étanchéification contre le flux latéral, intérieur et extérieur (8).
  7. Buse d'aspiration selon les revendications 3 et 5 ou selon la revendication 6, sachant que le moyen d'étanchéification contre le flux d'aspiration avant (11) présente une forme rectangulaire, que le moyen d'étanchéification contre le flux d'aspiration avant (11), en cas de buse d'aspiration posée sur le sol, s'étend à partir du boîtier (1) jusqu'au sol, qu'il est arrondi sur un côté opposé au moyen d'étanchéification contre le flux latéral, intérieur et extérieur (8) et/ou au boîtier (1), que le moyen d'étanchéification contre le flux d'aspiration avant (11) est doté d'une première partie, qui s'étend du boîtier (1) jusqu'au sol et d'une deuxième partie y faisant suite, sachant que la deuxième partie est caractérisée par rapport à la première partie par une résistance plus faible et/ou que le moyen d'étanchéification contre le flux d'aspiration avant (11), qui, en cas de buse d'aspiration posée sur le sol, s'étend jusque dans l'espace d'aspiration (3), est coudé par rapport à la normale du sol.
  8. Buse d'aspiration selon les revendications 3 et 5 ou selon la revendication 6 ou 7, sachant que le moyen d'étanchéification contre le flux d'aspiration avant (11) est.réalisé de manière à ce qu'une fente soit respectivement formée entre le moyen d'étanchéification contre le flux d'aspiration avant (11) et moyens d'étanchéification contre le flux latéraux, intérieurs et extérieurs (8).
  9. Buse d'aspiration selon l'une des revendications 1 à 8, sachant que le moyen de protection acoustique (12) est doté d'une forme genre v ou genre cercle partiel, s'ouvre sur un côté arrière de la buse d'aspiration et/ou que le moyen de protection acoustique (12) est réalisé en matière synthétique et/ou, pour autant que le moyen d'étanchéification contre le flux d'aspiration avant (11), comme prévu selon la revendication 3, est réalisé en un matériau plus dur que le moyen d'étanchéification contre le flux d'aspiration avant (11).
  10. Buse d'aspiration selon la revendication 3 ou selon l'une des revendications 4 à 9 en combinaison avec la revendication 3, sachant que le moyen d'étanchéification contre le flux d'aspiration avant (11) est agencé en tant qu'une pluralité de moyens de protection acoustique (12) et que les moyens de protection acoustique (12) sont disposés le long du côté avant du boîtier (1).
  11. Buse d'aspiration selon la revendication 3 ou selon l'une des revendications 4 à 10 en combinaison avec la revendication 3, sachant que le moyen d'étanchéification contre le flux d'aspiration avant (11)) est disposé entre le canal d'aspiration (4) et le côté avant du boîtiers (1), à distance du côté avant, ou sur le côté avant, sur un bord du boîtiers (1), et/ou s'étend parallèlement au côté avant.
  12. Buse d'aspiration selon l'une des revendications précédentes, sachant que la bouche d'aspiration (5) et / ou la partie de bouche d'aspiration centrale (6) est formée à la manière d'un triangle isocèle, que le canal d'aspiration (4) débouche, de préférence, dans la zone du sommet, entre les branches du triangle, dans l'espace d'aspiration (3) ainsi formé, que la partie de bouche d'aspiration centrale (6) s'étend du canal d'aspiration (4) jusqu'à la base (6a) du triangle isocèle et que les parties de bouche d'aspiration latérales (7) s'étendent du canal d'aspiration (4), le long de la branche respective du triangle isocèle, jusqu'aux angles (7a) du triangle isocèle qui sont disposés à l'opposé du sommet.
  13. Buse d'aspiration selon l'une des revendications précédentes, sachant que les deux parties de bouche d'aspiration latérales (7) s'étendent chacune à partir du canal d'aspiration (4) vers un côté (9a) de la buse d'aspiration de manière à ce que l'angle α entre les directions d'extension longitudinale des deux parties de bouche d'aspiration latérales (6) soit de 45° ≤ α ≤ 160°, de préférence de 90° ≤ α ≤ 135°, en particulier de préférence de 135°, ou que les deux parties de bouche d'aspiration latérales (6) s'étendent en tracé courbe à partir du canal d'aspiration (4) en s'éloignant l'une de l'autre.
  14. Buse d'aspiration selon l'une des revendications précédentes, sachant que la bouche d'aspiration (5) est dotée d'une autre partie de bouche d'aspiration centrale et de deux autres parties de bouche d'aspiration latérales, qui longent l'autre partie de bouche d'aspiration centrale, et que la partie de bouche d'aspiration centrale (6) et l'autre partie de bouche d'aspiration centrale s'éloignent du canal d'aspiration (4) dans des directions opposées de manière à ce que les deux parties de bouche d'aspiration latérales (7) et les deux autres parties de bouche d'aspiration latérales forment un arrangement en forme de X.
EP16168561.5A 2015-05-21 2016-05-06 Buse de sol dur pour produits grossiers ou fines poussières Active EP3095368B1 (fr)

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DE102015108051.6A DE102015108051B4 (de) 2015-05-21 2015-05-21 Hartbodendüse für Grobgut und Feinstaubaufnahme

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JP (1) JP6317394B2 (fr)
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EP3366179B1 (fr) * 2017-02-23 2019-07-24 Wessel-Werk GmbH Buse statique d'aspirateur
DE102017105921A1 (de) 2017-03-20 2018-09-20 Hako Gmbh Saugfuß für eine Bodenreinigungsmaschine
DE102018120544B4 (de) 2018-08-23 2023-09-07 Vorwerk & Co. Interholding Gmbh Saugdüse für einen Staubsauger
CN112445072A (zh) * 2019-08-28 2021-03-05 上海微电子装备（集团）股份有限公司 气帘装置及光栅尺测量系统
CN212186363U (zh) * 2020-03-26 2020-12-22 天佑电器（苏州）有限公司 吸尘器的地刷及吸尘器

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DE102015108051A1 (de) 2016-11-24
TWI629040B (zh) 2018-07-11
CN106166046A (zh) 2016-11-30
DE102015108051B4 (de) 2019-08-22
TW201703713A (zh) 2017-02-01
JP6317394B2 (ja) 2018-04-25
CN106166046B (zh) 2020-09-18
ES2813750T3 (es) 2021-03-24
JP2016214875A (ja) 2016-12-22
EP3095368A1 (fr) 2016-11-23

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