EP2374393B1 - Vacuum cleaner nozzle - Google Patents

Vacuum cleaner nozzle Download PDF

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Publication number
EP2374393B1
EP2374393B1 EP11305388.8A EP11305388A EP2374393B1 EP 2374393 B1 EP2374393 B1 EP 2374393B1 EP 11305388 A EP11305388 A EP 11305388A EP 2374393 B1 EP2374393 B1 EP 2374393B1
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EP
European Patent Office
Prior art keywords
brush
vacuum cleaner
nozzle
openings
cleaner nozzle
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EP11305388.8A
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German (de)
French (fr)
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EP2374393A1 (en
Inventor
Eric Marchal
Pascal Bernard
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SEB SA
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SEB SA
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    • 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
    • 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
    • A47L9/0606—Nozzles with fixed, e.g. adjustably fixed brushes or the like rigidly anchored brushes, combs, lips or pads

Definitions

  • the present invention relates to a dust suction nozzle, and more particularly to the internal architecture of said nozzle.
  • the present invention aims to reduce the aeraulic noise generated by the passage of air in the nozzle and to increase the suction efficiency of the nozzle
  • a suction nozzle having a connection area of at least one suction channel to a suction pipe connected to the frame of the vacuum cleaner.
  • the nozzle comprises a sole without brush and comprising several suction channels.
  • the nozzle also includes a top cover.
  • the suction channels open on the front and side of the nozzle.
  • the channels of the sole are divided into two groups, one for each side of the nozzle.
  • the hood comprises a manifold in a (2015)lic connection on the one hand with the tubing and on the other hand with the two groups of channels.
  • the path of air in the nozzle is subjected to many changes of direction, which generates turbulence, sources of noise.
  • the contact between the ground and the nozzle includes many leaks, requiring to increase the suction flow to maintain the efficiency of the nozzle.
  • the present invention proposes to overcome the disadvantages of the state of the art by proposing a quieter and more efficient nozzle.
  • a suction nozzle open to the surface to be cleaned by a suction channel formed in the sole of the nozzle and extending substantially horizontally, the channel being connected, by a connection zone, to a tube of suction connected to the vacuum cleaner, characterized in that the connection area is formed by curved walls having a radius of curvature greater than 30mm and in that the sole comprises a brush over its entire periphery, the brush comprising at least one opening only on the lower edge of its front face.
  • the noise level is reduced and, by more precisely controlling the seal and the leakage section of the nozzle, the efficiency of the nozzle is increased.
  • the present invention relates to a vacuum nozzle.
  • the nozzle is rectangular.
  • the present invention is not limited to this rectangular shape and can be implemented for example on a triangular nozzle.
  • the nozzle is connected to the body of the vacuum cleaner via a connecting tube.
  • the vacuum cleaner includes a motorcycle fan capable of creating a flow of air intake into the tube and the nozzle.
  • the nozzle has three main components: a sole 2, a brush 3 and a top cover 1.
  • the brush 3 and the hood 1 are assembled on the sole 2 to form the nozzle of the vacuum cleaner.
  • the sole 2 comprises a substantially rectangular frame 20.
  • the thickness of the frame is of the order of a few millimeters while the height is of the order of a few tens of millimeters.
  • the frame 20 is made, for example, of plastic.
  • the frame 20 comprises fastening means 23, 24 for assembling the brush 3.
  • the fixing means 23, 24 comprise notches on the outer face of the frame 20.
  • the brush 3 is inserted into in these indentations 23, 24.
  • Other means for assembling the brush 3 on the frame 20 may be provided.
  • the brush 3 can be glued and / or clipped onto the frame 20.
  • the center of the frame 20 forms the inlet of the suction channel 29 of the nozzle.
  • the frame 20 comprises deflecting walls 22.
  • the deflecting walls 22 direct the flow of air from the lateral parts of the sole 2 towards the center of the nozzle.
  • the deflecting walls 22 are formed by inclined planes whose width corresponds to the width of the frame 20.
  • the sole 2 comprises a zone 21 for connection to the connection tube of the vacuum cleaner (not shown).
  • the connection zone 21 is located substantially in the center of the nozzle and comprises side walls and a bottom 26.
  • the side walls 25 are connected to the deflector walls 22 while the bottom 26 is connected to the frame 20 of the sole 2.
  • the lateral walls are of curved shape and their radius of curvature is greater than 30 mm. This curvature makes it possible to limit the formation of turbulence in the flow of the air flow and thus to reduce the noise level.
  • the connection zones between the bottom 26 and the side walls also form curved surfaces whose radii of curvature are also greater than 30 mm.
  • connection areas between the inclined walls 22 and the frame 20 have large radii of curvature (of the order of ten millimeters).
  • the upper cover 1 is substantially rectangular to attach to the frame 20 of the sole 2.
  • the central portion 14 of the upper cover 1 constitutes the connection area of the tube of the vacuum cleaner.
  • the tube is connected to a cylindrical sleeve forming the upstream outlet of the connection zone.
  • the connection area of the upper cover 1 comprises a zone 13 forming a cover and side walls 11.
  • the side walls 11 of the upper cover 1 have substantially the same shape, and in particular substantially the same radius of curvature, as the side walls of the sole 2. When assembling the nozzle, the latter fit into each other. others.
  • the area 13 forming a lid closes the upper wall of the zone 21 for connecting the sole plate 2.
  • the area 13 forming a lid may comprise two ribs 15.1, 15.2 forming a V whose tip is directed towards the cylindrical sleeve 10.
  • the zone 16 located between the two ribs 15.1, 15.2 is substantially flat.
  • the lateral ends 12 of the upper cover 1, located on either side of the connection zone, are substantially flat.
  • the upper cover 1 comprises a rim which partially covers the frame 20 of the sole 2 during assembly of the nozzle.
  • the upper cover 1 is inserted in force on the upper edge of the frame 20.
  • the assembly may be completed by a bonding.
  • the brush 3 is formed of an assembly of bristles.
  • the shape of the brush 3 is rectangular.
  • the entire periphery of the sole 3 of the nozzle includes bristles.
  • the dimensions of the brush 3 are substantially the same as the frame 20 of the sole 2 of the nozzle. Furthermore, the thickness of the brush 3, that is to say the thickness of the pile assembly, is of the order of a few millimeters. The height of the brush, that is to say the height of the bristles, is of the order of ten millimeters.
  • the nozzle rests on the bristles of the brush 3.
  • at least one opening 36 is formed on the lower edge 34 of the front face of the brush 3.
  • three of the four Brush edges 3 do not include any openings. This configuration makes it possible to increase the suction efficiency of the nozzle by precisely controlling the leakage section of the nozzle.
  • the opening or openings 36 create a leakage section to facilitate the movement of the nozzle on the floor to be cleaned.
  • the size of the openings is determined according to a compromise level of noise / flow of the nozzle.
  • the total surface of the openings of the holes is 550 mm 2 .
  • the front face 31 of the brush 3 comprises a plurality of rectangular openings 36 uniformly distributed on the lower edge 34.
  • This homogeneous distribution of apertures 36 simplifies manufacture.
  • the openings 36 may be of different dimensions.
  • the apertures 36 located in the center of the most have a smaller surface than the openings at the ends.
  • the surface of the openings may also increase progressively as they move away from the median transverse plane of the nozzle.
  • the suction flow through the openings 36 is more balanced.
  • the shape of the openings may also vary. Apertures in an arc or a triangle can be made in place of the rectangular openings.
  • the suction efficiency is improved. This thus reduces the suction flow without degrading the performance of the nozzle. This reduction in flow also reduces the noise level of the nozzle.

Description

La présente invention concerne un suceur d'aspirateur à poussières, et plus particulièrement l'architecture interne dudit suceur.The present invention relates to a dust suction nozzle, and more particularly to the internal architecture of said nozzle.

La présente invention vise à réduire le bruit aéraulique généré par le passage de l'air dans le suceur ainsi qu'à augmenter l'efficacité d'aspiration du suceurThe present invention aims to reduce the aeraulic noise generated by the passage of air in the nozzle and to increase the suction efficiency of the nozzle

Il est déjà connu, par le document US20060000053 , un suceur d'aspiration présentant une zone de raccordement d'au moins un canal d'aspiration à une tubulure d'aspiration reliée au bâti de l'aspirateur. Le suceur comprend une semelle dépourvue de brosse et comprenant plusieurs canaux d'aspiration. Le suceur comprend également un capot supérieur. Les canaux d'aspiration débouchent sur l'avant et sur le côté du suceur. Les canaux de la semelle sont divisés en deux groupes, un pour chaque côté du suceur. Le capot comprend un collecteur en liaison aéraulique d'une part avec la tubulure et d'autre part avec les deux groupes de canaux.It is already known, by the document US20060000053 , a suction nozzle having a connection area of at least one suction channel to a suction pipe connected to the frame of the vacuum cleaner. The nozzle comprises a sole without brush and comprising several suction channels. The nozzle also includes a top cover. The suction channels open on the front and side of the nozzle. The channels of the sole are divided into two groups, one for each side of the nozzle. The hood comprises a manifold in aeraulic connection on the one hand with the tubing and on the other hand with the two groups of channels.

Le trajet de l'air dans le suceur est soumis à de nombreux changements de direction, ce qui génère des turbulences, sources de bruit. Par ailleurs, le contact entre le sol et le suceur comprend de nombreuses fuites, nécessitant d'augmenter le débit d'aspiration pour maintenir l'efficacité du suceur.The path of air in the nozzle is subjected to many changes of direction, which generates turbulence, sources of noise. In addition, the contact between the ground and the nozzle includes many leaks, requiring to increase the suction flow to maintain the efficiency of the nozzle.

La présente invention propose de pallier aux inconvénients de l'état de la technique en proposant un suceur plus silencieux et plus efficace.The present invention proposes to overcome the disadvantages of the state of the art by proposing a quieter and more efficient nozzle.

Cet objectif est atteint par un suceur d'aspirateur ouvert vers la surface à nettoyer par un canal d'aspiration ménagé dans la semelle du suceur et s'étendant sensiblement horizontalement, le canal étant relié, par une zone de raccordement, à un tube d'aspiration relié à l'aspirateur, caractérisé en ce que la zone de raccordement est formée par des parois courbes dont le rayon de courbure est supérieur à 30mm et en ce que la semelle comprend une brosse sur toute sa périphérie, la brosse comprenant au moins une ouverture uniquement sur le bord inférieur de sa face avant.This objective is achieved by a suction nozzle open to the surface to be cleaned by a suction channel formed in the sole of the nozzle and extending substantially horizontally, the channel being connected, by a connection zone, to a tube of suction connected to the vacuum cleaner, characterized in that the connection area is formed by curved walls having a radius of curvature greater than 30mm and in that the sole comprises a brush over its entire periphery, the brush comprising at least one opening only on the lower edge of its front face.

En optimisant les formes du suceur, le niveau de bruit est réduit et, en contrôlant plus précisément l'étanchéité et la section de fuite du suceur, l'efficacité du suceur est accrue.By optimizing the forms of the nozzle, the noise level is reduced and, by more precisely controlling the seal and the leakage section of the nozzle, the efficiency of the nozzle is increased.

Selon d'autres variantes de réalisation :

  • l'avant de la brosse comprend une pluralité d'ouvertures de même dimension, réparties uniformément sur le bord inférieur de la brosse.
  • l'avant de la brosse comprend une pluralité d'ouvertures réparties uniformément sur le bord inférieur de la brosse, et en ce que la surface des ouvertures varie de sorte que la surface augmente lorsque les ouvertures s'éloignent du plan transversal médian du suceur.
  • la (s) ouverture (s) est (sont) de forme rectangulaire.
  • la dimension de la ou des ouvertures est déterminée en fonction d'un compromis niveau de bruit/débit du suceur.
  • la semelle comprend un cadre dans lequel est insérée la brosse, le centre du cadre formant l'entrée du canal d'aspiration, et en ce que le cadre comprend des parois inclinées, formant déflecteur vers la zone de raccordement, et des parois courbes, formant la zone de raccordement.
  • le suceur comprend un capot supérieur formant la paroi supérieure de la zone de raccordement.
  • la paroi supérieure comprend deux nervures formant un V.
According to other embodiments:
  • the front of the brush comprises a plurality of openings of the same size distributed evenly over the lower edge of the brush.
  • the front of the brush comprises a plurality of openings uniformly distributed on the lower edge of the brush, and in that the surface of the openings varies so that the surface increases as the openings move away from the median transverse plane of the nozzle.
  • the opening (s) is (are) rectangular in shape.
  • the size of the opening or openings is determined according to a compromise noise level / flow nozzle.
  • the sole comprises a frame in which the brush is inserted, the center of the frame forming the inlet of the suction channel, and in that the frame comprises inclined walls, forming a deflector towards the connection zone, and curved walls, forming the connection area.
  • the nozzle comprises an upper cover forming the upper wall of the connection zone.
  • the upper wall comprises two ribs forming a V.

D'autres caractéristiques et avantages de l'invention ressortiront de la description qui va suivre, prise à titre d'exemple non limitatif, en référence aux figures annexées dans lesquelles :

  • la figure 1 présente une vue en perspective éclatée d'un suceur selon l'invention ;
  • la figure 2 présente une vue en perspective d'un suceur selon l'invention.
Other features and advantages of the invention will emerge from the description which follows, taken by way of non-limiting example, with reference to the appended figures in which:
  • the figure 1 shows an exploded perspective view of a nozzle according to the invention;
  • the figure 2 presents a perspective view of a nozzle according to the invention.

L'invention va à présent être décrite en référence aux figures 1 et 2.The invention will now be described with reference to figures 1 and 2 .

La présente invention concerne un suceur d'aspirateur. Selon l'exemple d'illustration de l'invention, tel que le montre la figure 1, le suceur est de forme rectangulaire. Toutefois, la présente invention n'est pas limitée à cette forme rectangulaire et peut être mise en oeuvre par exemple sur un suceur triangulaire.The present invention relates to a vacuum nozzle. According to the illustrative example of the invention, as shown by figure 1 , the nozzle is rectangular. However, the present invention is not limited to this rectangular shape and can be implemented for example on a triangular nozzle.

Le suceur est connecté au corps de l'aspirateur par l'intermédiaire d'un tube de liaison. L'aspirateur possède notamment un moto-ventilateur susceptible de créer un flux d'aspiration d'air dans le tube et dans le suceur.The nozzle is connected to the body of the vacuum cleaner via a connecting tube. The vacuum cleaner includes a motorcycle fan capable of creating a flow of air intake into the tube and the nozzle.

Le suceur comporte trois composants principaux : une semelle 2, une brosse 3 et un capot 1 supérieur. La brosse 3 et le capot 1 sont assemblés sur la semelle 2 pour former le suceur de l'aspirateur.The nozzle has three main components: a sole 2, a brush 3 and a top cover 1. The brush 3 and the hood 1 are assembled on the sole 2 to form the nozzle of the vacuum cleaner.

La semelle 2 comprend un cadre 20 sensiblement rectangulaire. L'épaisseur du cadre est de l'ordre de quelques millimètres alors que la hauteur est de l'ordre de quelques dizaines de millimètres. Le cadre 20 est réalisé, par exemple, en matière plastique.The sole 2 comprises a substantially rectangular frame 20. The thickness of the frame is of the order of a few millimeters while the height is of the order of a few tens of millimeters. The frame 20 is made, for example, of plastic.

Le cadre 20 comprend des moyens de fixation 23, 24 permettant l'assemblage de la brosse 3. A titre d'exemple, les moyens de fixation 23, 24 comprennent des échancrures sur la face extérieure du cadre 20. La brosse 3 est insérée en force dans ces échancrures 23, 24. D'autres moyens d'assemblage de la brosse 3 sur le cadre 20 peuvent être prévus. Ainsi, la brosse 3 peut être collée et/ou clipsée sur la cadre 20.The frame 20 comprises fastening means 23, 24 for assembling the brush 3. By way of example, the fixing means 23, 24 comprise notches on the outer face of the frame 20. The brush 3 is inserted into in these indentations 23, 24. Other means for assembling the brush 3 on the frame 20 may be provided. Thus, the brush 3 can be glued and / or clipped onto the frame 20.

Le centre du cadre 20 forme l'entrée du canal 29 d'aspiration du suceur. Pour orienter le flux d'air chargé de déchets vers le tube flexible de l'aspirateur, le cadre 20 comprend des parois 22 déflectrices. Les parois 22 déflectrices dirigent le flux d'air des parties latérales de la semelle 2 vers le centre du suceur. Les parois 22 déflectrices sont formées par des plans inclinés dont la largeur correspond à la largeur du cadre 20.The center of the frame 20 forms the inlet of the suction channel 29 of the nozzle. To orient the flow of air laden with waste towards the flexible tube of the vacuum cleaner, the frame 20 comprises deflecting walls 22. The deflecting walls 22 direct the flow of air from the lateral parts of the sole 2 towards the center of the nozzle. The deflecting walls 22 are formed by inclined planes whose width corresponds to the width of the frame 20.

Par ailleurs, la semelle 2 comprend une zone 21 de raccordement au tube de liaison de l'aspirateur (non représenté). La zone 21 de raccordement est située sensiblement au centre du suceur et comprend des parois 25 latérales et un fond 26. Les parois 25 latérales sont connectées aux parois 22 déflectrices alors que le fond 26 est connecté au cadre 20 de la semelle 2.Furthermore, the sole 2 comprises a zone 21 for connection to the connection tube of the vacuum cleaner (not shown). The connection zone 21 is located substantially in the center of the nozzle and comprises side walls and a bottom 26. The side walls 25 are connected to the deflector walls 22 while the bottom 26 is connected to the frame 20 of the sole 2.

Selon l'invention, les parois 25 latérales sont de forme courbée et leur rayon de courbure est supérieur à 30mm. Cette courbure permet de limiter la formation de turbulence dans l'écoulement du flux d'air et donc de diminuer le niveau de bruit. Par ailleurs, les zones de liaison entre le fond 26 et les parois 25 latérales forment aussi des surfaces courbes dont les rayons de courbure sont également supérieurs à 30mm.According to the invention, the lateral walls are of curved shape and their radius of curvature is greater than 30 mm. This curvature makes it possible to limit the formation of turbulence in the flow of the air flow and thus to reduce the noise level. Moreover, the connection zones between the bottom 26 and the side walls also form curved surfaces whose radii of curvature are also greater than 30 mm.

De même, les zones de liaison entre les parois 22 inclinées et le cadre 20 ont des grands rayons de courbure (de l'ordre d'un dizaine de millimètres).Similarly, the connection areas between the inclined walls 22 and the frame 20 have large radii of curvature (of the order of ten millimeters).

Le capot 1 supérieur est sensiblement rectangulaire pour se fixer sur le cadre 20 de la semelle 2. La partie centrale 14 du capot 1 supérieur constitue la zone de raccordement du tube de l'aspirateur. Le tube est connecté à un manchon 10 cylindrique formant la sortie amont de la zone de raccordement. La zone de raccordement du capot 1 supérieur comprend une zone 13 formant couvercle et des parois 11 latérales. Les parois 11 latérales du capot 1 supérieur ont sensiblement la même forme, et notamment sensiblement le même rayon de courbure, que les parois 25 latérales de la semelle 2. Lors de l'assemblage du suceur, celles-ci s'emboîtent les unes dans les autres.The upper cover 1 is substantially rectangular to attach to the frame 20 of the sole 2. The central portion 14 of the upper cover 1 constitutes the connection area of the tube of the vacuum cleaner. The tube is connected to a cylindrical sleeve forming the upstream outlet of the connection zone. The connection area of the upper cover 1 comprises a zone 13 forming a cover and side walls 11. The side walls 11 of the upper cover 1 have substantially the same shape, and in particular substantially the same radius of curvature, as the side walls of the sole 2. When assembling the nozzle, the latter fit into each other. others.

De même, la zone 13 formant couvercle ferme la paroi supérieure de la zone 21 de raccordement de la semelle 2. La zone 13 formant couvercle peut comprendre deux nervures 15.1, 15.2 formant un V dont la pointe est dirigée vers le manchon 10 cylindrique. La zone 16 située entre les deux nervures 15.1, 15.2 est sensiblement plane. Ainsi, les flux d'air provenant des côtés du suceur et déviés par les parois 22 déflectrices sont guidés par les nervures 15.1, 15.2 dans le tube d'aspiration. Ce guidage réduit les turbulences et donc les bruits d'écoulement.Similarly, the area 13 forming a lid closes the upper wall of the zone 21 for connecting the sole plate 2. The area 13 forming a lid may comprise two ribs 15.1, 15.2 forming a V whose tip is directed towards the cylindrical sleeve 10. The zone 16 located between the two ribs 15.1, 15.2 is substantially flat. Thus, the air flows from the sides of the nozzle and deflected by the deflecting walls 22 are guided by the ribs 15.1, 15.2 in the suction tube. This guidance reduces turbulence and hence flow noise.

Les extrémités latérales 12 du capot 1 supérieur, situées de part et d'autre de la zone de raccordement, sont sensiblement planes. Le capot 1 supérieur comprend un rebord qui vient recouvrir en partie le cadre 20 de la semelle 2 lors du montage du suceur.The lateral ends 12 of the upper cover 1, located on either side of the connection zone, are substantially flat. The upper cover 1 comprises a rim which partially covers the frame 20 of the sole 2 during assembly of the nozzle.

Selon la variante de réalisation représentée aux figures, le capot 1 supérieur est inséré en force sur le bord supérieur du cadre 20. L'assemblage peut être complété par un collage.According to the alternative embodiment shown in the figures, the upper cover 1 is inserted in force on the upper edge of the frame 20. The assembly may be completed by a bonding.

La brosse 3 est formée d'un assemblage de poils. La forme de la brosse 3 est rectangulaire. Ainsi, toute la périphérie de la semelle 3 du suceur comprend des poils.The brush 3 is formed of an assembly of bristles. The shape of the brush 3 is rectangular. Thus, the entire periphery of the sole 3 of the nozzle includes bristles.

Les dimensions de la brosse 3 sont sensiblement les mêmes que le cadre 20 de la semelle 2 du suceur. Par ailleurs, l'épaisseur de la brosse 3, c'est-à-dire l'épaisseur de l'assemblage de poils, est de l'ordre de quelques millimètres. La hauteur de la brosse, c'est-à-dire la hauteur des poils, est de l'ordre d'une dizaine de millimètres. Une fois assemblé sur la semelle 2, le suceur repose sur les poils de la brosse 3. Selon l'invention, au moins une ouverture 36 est pratiquée sur le bord 34 inférieur de la face avant de la brosse 3. Ainsi, trois des quatre bords de la brosse 3 ne comprennent aucune ouverture. Cette configuration permet d'augmenter l'efficacité d'aspiration du suceur en contrôlant précisément la section de fuite du suceur. En effet, le fait de mettre en place une brosse sur toute la périphérie de la semelle permet de garantir l'étanchéité du suceur et donc l'efficacité d'aspiration de celui-ci. La ou les ouvertures 36 créent une section de fuite pour faciliter le déplacement du suceur sur le sol à nettoyer. La dimension des ouvertures est déterminée en fonction d'un compromis niveau de bruit/débit du suceur.The dimensions of the brush 3 are substantially the same as the frame 20 of the sole 2 of the nozzle. Furthermore, the thickness of the brush 3, that is to say the thickness of the pile assembly, is of the order of a few millimeters. The height of the brush, that is to say the height of the bristles, is of the order of ten millimeters. Once assembled on the sole 2, the nozzle rests on the bristles of the brush 3. According to the invention, at least one opening 36 is formed on the lower edge 34 of the front face of the brush 3. Thus, three of the four Brush edges 3 do not include any openings. This configuration makes it possible to increase the suction efficiency of the nozzle by precisely controlling the leakage section of the nozzle. Indeed, the fact of setting up a brush on the entire periphery of the sole makes it possible to guarantee the tightness of the nozzle and therefore the suction efficiency thereof. The opening or openings 36 create a leakage section to facilitate the movement of the nozzle on the floor to be cleaned. The size of the openings is determined according to a compromise level of noise / flow of the nozzle.

A titre d'exemple, lorsque l'aspirateur fonctionne avec un débit d'environ 25l/s, la surface totale des ouvertures des trous est de 550mm2.By way of example, when the vacuum cleaner operates with a flow rate of approximately 25 l / s, the total surface of the openings of the holes is 550 mm 2 .

Selon la variante de réalisation représentée aux figures, la face avant 31 de la brosse 3 comprend une pluralité d'ouvertures 36 rectangulaires réparties uniformément sur le bord 34 inférieur. Cette répartition homogène des ouvertures 36 permet de simplifier la fabrication. Toutefois, il est possible d'envisager d'autres configurations. Ainsi, tout en gardant une répartition homogène des ouvertures 36 sur le bord 34 inférieur de la brosse 3, les ouvertures 36 peuvent être de dimensions différentes. Selon un exemple de réalisation, les ouvertures 36 situées le plus au centre ont une surface plus petite que les ouvertures situées aux extrémités. La surface des ouvertures peut aussi augmenter progressivement lorsqu'elles s'éloignent du plan transversal médian du suceur. Ainsi, le débit d'aspiration au travers des ouvertures 36 est plus équilibré.According to the embodiment shown in the figures, the front face 31 of the brush 3 comprises a plurality of rectangular openings 36 uniformly distributed on the lower edge 34. This homogeneous distribution of apertures 36 simplifies manufacture. However, it is possible to consider other configurations. Thus, while keeping a homogeneous distribution of the openings 36 on the lower edge 34 of the brush 3, the openings 36 may be of different dimensions. According to an exemplary embodiment, the apertures 36 located in the center of the most have a smaller surface than the openings at the ends. The surface of the openings may also increase progressively as they move away from the median transverse plane of the nozzle. Thus, the suction flow through the openings 36 is more balanced.

La forme des ouvertures peut également varier. Des ouvertures en arc de cercle ou en triangle peuvent être réalisées à la place des ouvertures rectangulaires.The shape of the openings may also vary. Apertures in an arc or a triangle can be made in place of the rectangular openings.

L'utilisation de parois courbées à grand rayon de courbure, pour réaliser notamment la zone de raccordement du suceur, permet d'une part de diminuer les turbulences et d'autre part de réduire les pertes de charges. Ainsi, non seulement les bruits d'écoulement de l'air dans le suceur sont réduits mais, pour un même débit, l'efficacité d'aspiration est augmentée.The use of curved walls with a large radius of curvature, in particular to achieve the connection area of the nozzle, makes it possible on the one hand to reduce turbulence and on the other hand to reduce the pressure losses. Thus, not only the air flow noises in the nozzle are reduced, but for the same flow, the suction efficiency is increased.

En améliorant d'une part l'étanchéité du suceur par l'utilisation d'une brosse sur toute la périphérie du suceur et d'autre part en contrôlant précisément le débit de fuite, l'efficacité d'aspiration est améliorée. Ceci permet ainsi de réduire le débit d'aspiration sans dégrader les performances du suceur. Cette réduction du débit réduit également le niveau de bruit du suceur.By improving, on the one hand, the sealing of the nozzle by the use of a brush on the entire periphery of the nozzle and, on the other hand, by precisely controlling the leakage rate, the suction efficiency is improved. This thus reduces the suction flow without degrading the performance of the nozzle. This reduction in flow also reduces the noise level of the nozzle.

Claims (8)

  1. Vacuum cleaner nozzle open towards the surface to be cleaned by a suction channel (29) formed in the sole (2) of the nozzle and extending substantially horizontally, the channel being connected by a connection area (21) to a suction pipe connected to the vacuum cleaner, characterised in that the connection area (21) is formed by curved walls (11, 25) whose radius of curvature is greater than 30 mm and in that the sole (2) comprises a brush (3) around its entire periphery, the brush (3) comprising at least one opening (36) only on the lower edge (34) of its front side (31).
  2. Vacuum cleaner nozzle according to the preceding claim, characterised in that the front of the brush (3) comprises a plurality of openings (36) of the same size, uniformly distributed on the lower edge (34) of the brush (3).
  3. Vacuum cleaner nozzle according to claim 1, characterised in that the front of the brush (3) comprises a plurality of openings (36) distributed uniformly on the lower edge (34) of the brush (3), and in that the area of the openings (36) varies such that the area increases as the openings (36) move away from the median transverse plane of the nozzle.
  4. Vacuum cleaner nozzle according to one of the preceding claims, characterised in that the opening(s) (36) is (are) rectangular.
  5. Vacuum cleaner nozzle according to one of the preceding claims, characterised in that the size of the opening or openings (36) is determined according to a noise level/ nozzle flow compromise.
  6. Vacuum cleaner nozzle according to one of the preceding claims, characterised in that the sole (2) comprises a frame (20) into which the brush (3) is inserted, the centre of the frame (20) forming the inlet of the suction channel (29), and in that the frame (20) comprises inclined walls (22), forming a deflector towards the connection area (21), and curved walls (25), forming connection area (21).
  7. Vacuum cleaner nozzle according to one of the preceding claims, characterised in that it comprises an upper cover (1) forming the upper area (13) of the connection area (21).
  8. Vacuum cleaner nozzle according to the preceding claim, characterised in that the upper area (13) comprises two ribs (15.1, 15.2) forming a V.
EP11305388.8A 2010-04-06 2011-04-04 Vacuum cleaner nozzle Active EP2374393B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1052574A FR2958143B1 (en) 2010-04-06 2010-04-06 VACUUM SUCKER

Publications (2)

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EP2374393A1 EP2374393A1 (en) 2011-10-12
EP2374393B1 true EP2374393B1 (en) 2015-09-09

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EP11305388.8A Active EP2374393B1 (en) 2010-04-06 2011-04-04 Vacuum cleaner nozzle

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EP (1) EP2374393B1 (en)
CN (1) CN102210573B (en)
ES (1) ES2555069T3 (en)
FR (1) FR2958143B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2980353B1 (en) * 2011-09-28 2013-10-25 Seb Sa VACUUM SUCKER
CN105167713B (en) * 2015-09-25 2018-01-02 江苏美的清洁电器股份有限公司 Scrubbing brush and there is its dust catcher
CN106618378B (en) * 2016-11-23 2022-08-26 苏州海歌电器科技有限公司 Floor brush of dust collector
CN111749178B (en) * 2020-07-07 2021-08-06 扬州大学 Combined washing and sweeping vehicle noise reduction suction port, machining die and use method of machining die

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3040364A (en) 1956-12-05 1962-06-26 Electrolux Ab Multi-purpose suction cleaner nozzle
GB2014438A (en) 1978-02-15 1979-08-30 Electrolux Ltd Vacuum cleaning nozzles
DE8814882U1 (en) 1988-11-30 1989-01-26 Vorwerk & Co Interholding Gmbh, 5600 Wuppertal, De
FR2860413A1 (en) 2003-10-01 2005-04-08 Seb Sa VACUUM SUCKER
DE202005014329U1 (en) 2005-09-09 2005-11-10 Steffgen, Helga A vacuum cleaner nozzle has a U-shaped opening lined with bristles extending from the suction opening
US20060000053A1 (en) 2004-07-01 2006-01-05 Jong-Kook Lim Suction port assembly and a vacuum cleaner having the same
DE102008015904A1 (en) 2008-03-27 2009-10-01 Wessel-Werk Gmbh Suction nozzle for vacuum cleaner

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3040364A (en) 1956-12-05 1962-06-26 Electrolux Ab Multi-purpose suction cleaner nozzle
GB2014438A (en) 1978-02-15 1979-08-30 Electrolux Ltd Vacuum cleaning nozzles
DE8814882U1 (en) 1988-11-30 1989-01-26 Vorwerk & Co Interholding Gmbh, 5600 Wuppertal, De
FR2860413A1 (en) 2003-10-01 2005-04-08 Seb Sa VACUUM SUCKER
US20060000053A1 (en) 2004-07-01 2006-01-05 Jong-Kook Lim Suction port assembly and a vacuum cleaner having the same
DE202005014329U1 (en) 2005-09-09 2005-11-10 Steffgen, Helga A vacuum cleaner nozzle has a U-shaped opening lined with bristles extending from the suction opening
DE102008015904A1 (en) 2008-03-27 2009-10-01 Wessel-Werk Gmbh Suction nozzle for vacuum cleaner

Also Published As

Publication number Publication date
CN102210573B (en) 2015-08-05
FR2958143A1 (en) 2011-10-07
FR2958143B1 (en) 2012-06-08
ES2555069T3 (en) 2015-12-28
EP2374393A1 (en) 2011-10-12
CN102210573A (en) 2011-10-12

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