EP3202299B1 - Steam cleaner - Google Patents

Steam cleaner Download PDF

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Publication number
EP3202299B1
EP3202299B1 EP17154208.7A EP17154208A EP3202299B1 EP 3202299 B1 EP3202299 B1 EP 3202299B1 EP 17154208 A EP17154208 A EP 17154208A EP 3202299 B1 EP3202299 B1 EP 3202299B1
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EP
European Patent Office
Prior art keywords
branch
suction
steam
suction slot
steam cleaner
Prior art date
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Application number
EP17154208.7A
Other languages
German (de)
French (fr)
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EP3202299A1 (en
Inventor
Thierry Prunier
Dadano THOUK
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SEB SA
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SEB SA
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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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/34—Machines for treating carpets in position by liquid, foam, or vapour, e.g. by steam
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4044—Vacuuming or pick-up tools; Squeegees
    • 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
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4086—Arrangements for steam generation
    • 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
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/20—Mops
    • A47L13/22—Mops with liquid-feeding devices
    • A47L13/225—Steam mops
    • 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
    • A47L9/04—Nozzles with driven brushes or agitators
    • 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
    • A47L9/0686—Nozzles with cleaning cloths, e.g. using disposal fabrics for covering the nozzle

Definitions

  • the present invention generally relates to a steam cleaner, and in particular a steam cleaning brush.
  • An object of the present invention is to meet the disadvantages of the prior art documents mentioned above and in particular, first of all, to propose an effective steam cleaner (that is to say, which cleans the floors properly). ), while being simple to design and manufacture.
  • the steam cleaner according to the present invention comprises a front suction slot which sucks more than the rear suction slot, since the first branch brakes less the suction flow than the second branch (because the passage sections of the first branch are larger than those in the second branch).
  • This implementation makes it possible to promote the suction of impurities from the front (dust and large particles such as rice grains, coffee beans, noodles, kibble cat ...) because the Applicant has found that statistically these impurities were most often picked up during a forward movement (when the nozzle of the cleaner or broom was pushed).
  • the suction power of the front suction slot is greater than that of the rear suction slot, which is well suited to the actual cleaning conditions.
  • the construction is simple because there is no mechanism for directing the flow forward or backward, it is by simple fixed geometry of the parts of the nozzle / cleaner that the invention makes it possible to propose a suction more important on the suction slot before the rear suction slot: the conduit of the second branch has a passage section much smaller than the conduit of the first branch.
  • the suction of the impurities being effective, the steam cleaning is also effective because the soil facing the steam diffuser no longer present impurities (dust ...) that would be "stuck" to the ground by the steam flow .
  • the nozzle has a width (that is to say a dimension in a direction transverse or perpendicular to a direction of the movements of and fro cleaning), and the front suction slot and / or the rear suction slot are arranged in the direction of width, over at least 70% of that width.
  • the second branch comprises at least one passage section whose surface is less than or equal to one-third of the area of the smallest of the passage sections of the first branch.
  • the smallest of the passage sections of the first branch may have an area of 725mm 2 ⁇ 25mm 2
  • the second branch may comprise at least one passage section whose surface is 240mm 2 ⁇ 15mm 2 , for a 1500W power steam cleaner approx.
  • the steam cleaner comprises a Y-junction at which the first branch and the second branch join the main suction duct, and a flow of air from the second branch undergoes a change of direction of flow greater than 90 ° to the passage of the Y junction, and a flow of air from the first branch undergoes a flow direction change of less than 60 ° to the passage of the Y junction.
  • the upstream velocity vector is almost collinear with the downstream velocity vector, within ⁇ 60 °.
  • the upstream velocity vector has direction and direction opposite to the direction and direction of the downstream velocity vector.
  • the airflow of the second branch makes a "hairpin turn,” or “hairpin turn” at the passage of the Y-junction, while the air flow of the first branch does not undergo a significant change of direction.
  • the air flow of the second leg is braked, which further benefits the suction through the front suction slot.
  • a scalar product between a velocity vector of the airflow for the first branch upstream and a velocity vector of the airflow for the first branch downstream of the Y-junction is positive, whereas a scalar product between a velocity vector of the air flow for the second branch in upstream and a velocity vector of the air flow for the second branch downstream of the Y junction is negative.
  • upstream means a velocity vector taken less than 3 cm upstream of the Y junction
  • downstream means a velocity vector taken less than 5 cm downstream of the Y junction.
  • the front face comprises at least four notches.
  • the steam cleaner comprises at least one hanging brush arranged between the front suction slot and the steam diffuser and / or between the rear suction slot and the steam diffuser.

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

Description

La présente invention concerne de manière générale un nettoyeur vapeur, et en particulier un balai de nettoyage à vapeur.The present invention generally relates to a steam cleaner, and in particular a steam cleaning brush.

Il est connu dans l'art antérieur des nettoyeurs vapeur tel que celui divulgué dans le document FR3011455 (A1 ), qui propose de diriger le flux d'aspiration d'un côté avant ou arrière du suceur, en fonction de la direction de déplacement (balai poussé ou balai tiré). Cependant, ce système présente notamment l'inconvénient d'être complexe au niveau du suceur avec un mécanisme qui augmente les coûts.It is known in the prior art steam cleaners such as that disclosed in the document FR3011455 (A1 ), which proposes to direct the suction flow to a front or rear side of the nozzle, depending on the direction of movement (pushed broom or pulled broom). However, this system has the particular disadvantage of being complex in the nozzle with a mechanism that increases costs.

Un but de la présente invention est de répondre aux inconvénients des documents de l'art antérieur mentionnés ci-dessus et en particulier, tout d'abord, de proposer un nettoyeur vapeur efficace (c'est-à-dire qui nettoie correctement les sols), tout en étant simple à concevoir et fabriquer.An object of the present invention is to meet the disadvantages of the prior art documents mentioned above and in particular, first of all, to propose an effective steam cleaner (that is to say, which cleans the floors properly). ), while being simple to design and manufacture.

Pour cela un premier aspect de l'invention concerne un nettoyeur vapeur comprenant :

  • des moyens d'aspiration,
  • un conduit principal d'aspiration relié aux moyens d'aspiration,
  • un suceur avec une semelle comprenant une fente d'aspiration avant, une fente d'aspiration arrière, et un diffuseur de vapeur agencé entre la fente d'aspiration avant et la fente d'aspiration arrière,
  • un circuit d'air secondaire avec une première branche reliant le conduit principal d'aspiration à la fente d'aspiration avant et une deuxième branche reliant le conduit principal d'aspiration à la fente d'aspiration arrière,
la première branche et la deuxième branche comprenant chacune une pluralité de sections de passage de flux d'air, chacune définie par une surface,
caractérisé en ce que la deuxième branche comprend au moins une section de passage dont la surface est inférieure ou égale à la moitié de la surface de la plus petite des sections de passage de la première branche.For this, a first aspect of the invention relates to a steam cleaner comprising:
  • suction means,
  • a main suction duct connected to the suction means,
  • a nozzle with a sole comprising a front suction slot, a rear suction slot, and a steam diffuser arranged between the front suction slot and the rear suction slot,
  • a secondary air circuit with a first branch connecting the main suction duct to the front suction slot and a second branch connecting the main suction duct to the rear suction slot,
the first branch and the second branch each comprising a plurality of air flow passage sections, each defined by a surface,
characterized in that the second branch comprises at least one section of passage whose surface is less than or equal to half the surface of the smallest of the passage sections of the first branch.

Le nettoyeur vapeur selon la présente invention comprend une fente d'aspiration avant qui aspire plus que la fente d'aspiration arrière, car la première branche freine moins le flux d'aspiration que la deuxième branche (car les sections de passage de la première branche sont plus grandes que celles de la deuxième branche). Cette mise en oeuvre permet de favoriser l'aspiration des impuretés par l'avant (poussières et grosses particules telles que des grains de riz, grains de café, nouilles, croquettes pour chat...) car la demanderesse a constaté que statistiquement ces impuretés étaient le plus souvent ramassées lors d'un mouvement vers l'avant (lorsque le suceur du nettoyeur ou du balai était poussé). En conséquence, la puissance d'aspiration de la fente d'aspiration avant est supérieure à celle de la fente d'aspiration arrière, ce qui est bien adapté aux conditions réelles de nettoyage. La construction est simple, car il n'y a pas de mécanisme pour diriger le flux vers l'avant ou l'arrière, c'est par simple géométrie fixée des pièces du suceur/nettoyeur que l'invention permet de proposer une aspiration plus importante sur la fente d'aspiration avant que sur la fente d'aspiration arrière : le conduit de la deuxième branche présente une section de passage bien plus faible que le conduit de la première branche. L'aspiration des impuretés étant efficace, le nettoyage vapeur est alors efficace lui aussi, car le sol en regard du diffuseur de vapeur ne présente plus d'impuretés (poussières...) qui seraient "collées" au sol par le flux de vapeur.The steam cleaner according to the present invention comprises a front suction slot which sucks more than the rear suction slot, since the first branch brakes less the suction flow than the second branch (because the passage sections of the first branch are larger than those in the second branch). This implementation makes it possible to promote the suction of impurities from the front (dust and large particles such as rice grains, coffee beans, noodles, kibble cat ...) because the Applicant has found that statistically these impurities were most often picked up during a forward movement (when the nozzle of the cleaner or broom was pushed). As a result, the suction power of the front suction slot is greater than that of the rear suction slot, which is well suited to the actual cleaning conditions. The construction is simple because there is no mechanism for directing the flow forward or backward, it is by simple fixed geometry of the parts of the nozzle / cleaner that the invention makes it possible to propose a suction more important on the suction slot before the rear suction slot: the conduit of the second branch has a passage section much smaller than the conduit of the first branch. The suction of the impurities being effective, the steam cleaning is also effective because the soil facing the steam diffuser no longer present impurities (dust ...) that would be "stuck" to the ground by the steam flow .

Avantageusement, le suceur présente une largeur (autrement dit une dimension selon une direction transversale ou perpendiculaire à une direction des mouvements de va et vient de nettoyage), et la fente d'aspiration avant et/ou la fente d'aspiration arrière sont agencées dans la direction de la largeur, sur au moins 70% de cette largeur.Advantageously, the nozzle has a width (that is to say a dimension in a direction transverse or perpendicular to a direction of the movements of and fro cleaning), and the front suction slot and / or the rear suction slot are arranged in the direction of width, over at least 70% of that width.

Avantageusement, la deuxième branche comprend au moins une section de passage dont la surface est inférieure ou égale au tiers de la surface de la plus petite des sections de passage de la première branche.Advantageously, the second branch comprises at least one passage section whose surface is less than or equal to one-third of the area of the smallest of the passage sections of the first branch.

Par exemple, la plus petite des sections de passage de la première branche peut présenter une surface de 725mm2±25mm2, et la deuxième branche peut comprendre au moins une section de passage dont la surface est de 240mm2±15mm2, pour un nettoyeur vapeur de puissance 1500W environ.For example, the smallest of the passage sections of the first branch may have an area of 725mm 2 ± 25mm 2 , and the second branch may comprise at least one passage section whose surface is 240mm 2 ± 15mm 2 , for a 1500W power steam cleaner approx.

Avantageusement, le nettoyeur vapeur comprend une jonction en Y au niveau de laquelle la première branche et la deuxième branche rejoignent le conduit principal d'aspiration, et un flux d'air issu de la deuxième branche subit un changement de direction d'écoulement supérieur à 90° au passage de la jonction en Y, et un flux d'air issu de la première branche subit un changement de direction d'écoulement inférieur à 60° au passage de la jonction en Y. En d'autres termes, si on compare un vecteur vitesse du flux d'air pour la première branche en amont et en aval de la jonction en Y, le vecteur vitesse amont est quasiment colinéaire avec le vecteur vitesse aval, à ±60° près. Par contre, si on compare un vecteur vitesse du flux d'air pour la deuxième branche en amont et en aval de la jonction en Y, le vecteur vitesse amont est de sens et de direction opposés au sens et à la direction du vecteur vitesse aval. En d'autres termes, le flux d'air de la seconde branche fait "un virage en tête d'épingle, ou virage en épingle à cheveux" au passage de la jonction en Y, alors que le flux d'air de la première branche ne subit pas de changement de direction notable. En conséquence, le flux d'air de la deuxième branche est freiné, ce qui avantage encore l'aspiration au travers de la fente d'aspiration avant.Advantageously, the steam cleaner comprises a Y-junction at which the first branch and the second branch join the main suction duct, and a flow of air from the second branch undergoes a change of direction of flow greater than 90 ° to the passage of the Y junction, and a flow of air from the first branch undergoes a flow direction change of less than 60 ° to the passage of the Y junction. In other words, if we compare a velocity vector of the air flow for the first branch upstream and downstream of the Y junction, the upstream velocity vector is almost collinear with the downstream velocity vector, within ± 60 °. On the other hand, if we compare a velocity vector of the air flow for the second branch upstream and downstream of the Y junction, the upstream velocity vector has direction and direction opposite to the direction and direction of the downstream velocity vector. . In other words, the airflow of the second branch makes a "hairpin turn," or "hairpin turn" at the passage of the Y-junction, while the air flow of the first branch does not undergo a significant change of direction. As a result, the air flow of the second leg is braked, which further benefits the suction through the front suction slot.

En alternative, un produit scalaire entre un vecteur vitesse du flux d'air pour la première branche en amont et un vecteur vitesse du flux d'air pour la première branche en aval de la jonction en Y est positif, tandis qu'un produit scalaire entre un vecteur vitesse du flux d'air pour la deuxième branche en amont et un vecteur vitesse du flux d'air pour la deuxième branche en aval de la jonction en Y est négatif.Alternatively, a scalar product between a velocity vector of the airflow for the first branch upstream and a velocity vector of the airflow for the first branch downstream of the Y-junction is positive, whereas a scalar product between a velocity vector of the air flow for the second branch in upstream and a velocity vector of the air flow for the second branch downstream of the Y junction is negative.

On entend par "amont" un vecteur vitesse pris à moins de 3cm en amont de la jonction Y, et on entend par "aval" un vecteur vitesse pris à moins de 5cm en aval de la jonction Y.The term "upstream" means a velocity vector taken less than 3 cm upstream of the Y junction, and "downstream" means a velocity vector taken less than 5 cm downstream of the Y junction.

Avantageusement, le nettoyeur vapeur comprend :

  • une face avant du suceur comprend une pluralité d'encoches débouchant dans la fente d'aspiration avant,
  • une face arrière du suceur comprend une pluralité d'encoches débouchant dans la fente d'aspiration arrière,
et dans lequel le nombre d'encoches sur la face avant est supérieur au nombre d'encoches sur la face arrière. De telles encoches sont des rainures ménagées dans la semelle du suceur entre la face externe et chacune des fentes d'aspiration, pour favoriser la collecte et l'aspiration des poussières et surtout des grosses particules telles que des grains de riz, grains de café, nouilles, croquettes pour chat... De telles rainures peuvent avoir une hauteur de 3 à 4 mm par exemple.Advantageously, the steam cleaner comprises:
  • a front face of the nozzle comprises a plurality of notches opening into the front suction slot,
  • a rear face of the nozzle comprises a plurality of notches opening into the rear suction slot,
and wherein the number of notches on the front face is greater than the number of notches on the back side. Such notches are grooves formed in the sole of the nozzle between the outer face and each of the suction slots, to promote the collection and suction of dust and especially large particles such as grains of rice, coffee beans, noodles, kibble cat ... Such grooves may have a height of 3 to 4 mm for example.

Avantageusement, la face avant comprend au moins quatre encoches.Advantageously, the front face comprises at least four notches.

Avantageusement, le nettoyeur vapeur comprend au moins une brosse suspendue agencée entre la fente d'aspiration avant et le diffuseur de vapeur et/ou entre la fente d'aspiration arrière et le diffuseur de vapeur.Advantageously, the steam cleaner comprises at least one hanging brush arranged between the front suction slot and the steam diffuser and / or between the rear suction slot and the steam diffuser.

Avantageusement, le suceur est agencé pour recevoir de manière amovible une lingette de nettoyage entre le diffuseur de vapeur et un sol à nettoyer. La lingette de nettoyage recouvre alors au moins partiellement le diffuseur de vapeur.Advantageously, the nozzle is arranged to removably receive a cleaning wipe between the steam diffuser and a floor to be cleaned. The cleaning wipe then at least partially covers the steam diffuser.

Avantageusement, le nettoyeur vapeur comprend :

  • au moins trois roues, et
  • une lingette de nettoyage installée sur le suceur,
dans lequel au moins une desdites au moins trois roues est distante du sol.
Selon cette mise en oeuvre, le nettoyage du sol est effectif, car la lingette frotte toujours le sol.Advantageously, the steam cleaner comprises:
  • at least three wheels, and
  • a cleaning wipe installed on the nozzle,
wherein at least one of said at least three wheels is remote from the ground.
According to this implementation, the cleaning of the soil is effective because the wipe always rubs the ground.

Avantageusement, le nettoyeur vapeur forme un balai de nettoyage à vapeur.Advantageously, the steam cleaner forms a steam cleaning broom.

D'autres caractéristiques et avantages de la présente invention apparaîtront plus clairement à la lecture de la description détaillée qui suit d'un mode de réalisation de l'invention donné à titre d'exemple nullement limitatif et illustré par les dessins annexés, dans lesquels :

  • la figure 1 représente une vue en perspective d'un suceur pour un nettoyeur vapeur selon l'invention ;
  • la figure 2 représente une coupe longitudinale du suceur de la figure 1 ;
  • la figure 3 représente une coupe du suceur de la figure 2 selon un axe III-III de la figure 2.
Other features and advantages of the present invention will appear more clearly on reading the following detailed description of an embodiment of the invention given by way of non-limiting example and illustrated by the appended drawings, in which:
  • the figure 1 represents a perspective view of a nozzle for a steam cleaner according to the invention;
  • the figure 2 represents a longitudinal section of the nozzle of the figure 1 ;
  • the figure 3 represents a section of the nozzle of the figure 2 along an axis III-III of the figure 2 .

La figure 1 représente un suceur pour un nettoyeur vapeur sous la forme d'un balai vapeur, avec une semelle comprenant un diffuseur de vapeur 21 agencé entre une face avant 22 et une face arrière 23. Les faces avant 22 et arrière 23 sont bien entendu définies en fonction du mouvement de va et vient de nettoyage imposé par l'utilisateur. Des roues 32 et 33 sont prévues pour faciliter les mouvements de nettoyage.The figure 1 represents a nozzle for a steam cleaner in the form of a steam mop, with a soleplate comprising a steam diffuser 21 arranged between a front face 22 and a rear face 23. The front 22 and rear 23 faces are of course defined in function the movement of back and forth cleaning imposed by the user. Wheels 32 and 33 are provided to facilitate cleaning movements.

Le suceur est relié au reste du nettoyeur vapeur par une pièce d'articulation 31. Le nettoyeur vapeur comprend un circuit d'aspiration, et un circuit de distribution de vapeur. En ce qui concerne le circuit d'aspiration, le nettoyeur vapeur comprend des moyens d'aspiration (typiquement un moto ventilateur électrique), et un conduit principal d'aspiration 10 agencé pour relier le suceur aux moyens d'aspiration.The nozzle is connected to the rest of the steam cleaner by a hinge piece 31. The steam cleaner comprises a suction circuit, and a steam distribution circuit. With regard to the suction circuit, the steam cleaner comprises suction means (typically a motorcycle electric fan), and a main suction duct 10 arranged to connect the nozzle to the suction means.

Enfin, le suceur est agencé pour recevoir une lingette de nettoyage (non représentée) sous le diffuseur de vapeur 21, entre ce dernier et le sol à nettoyer.Finally, the nozzle is arranged to receive a cleaning wipe (not shown) under the steam diffuser 21, between the latter and the soil to be cleaned.

La figure 2 représente une coupe longitudinale du suceur de la figure 1. La semelle de suceur comprend une fente d'aspiration avant 14 et une fente d'aspiration arrière 15. Le suceur comprend un circuit d'air secondaire constitué par une première branche 11 qui relie la fente d'aspiration avant 14 au conduit principal d'aspiration 10, et par une deuxième branche 12 qui relie la fente d'aspiration arrière 15 au conduit principal d'aspiration 10. Le diffuseur de vapeur 21 est donc agencé entre la fente d'aspiration arrière 15 et la fente d'aspiration avant 14.The figure 2 represents a longitudinal section of the nozzle of the figure 1 . The squeegee sole comprises a front suction slot 14 and a rear suction slot 15. The nozzle comprises a secondary air circuit consisting of a first branch 11 which connects the front suction slot 14 to the main duct. 10, and a second leg 12 which connects the rear suction slot 15 to the main suction pipe 10. The steam diffuser 21 is arranged between the rear suction slot 15 and the front suction slot 14 .

La semelle comprend également deux brosses suspendues 16 et 17, agencées entre le diffuseur de vapeur 21 et respectivement la fente d'aspiration avant 14 et la fente d'aspiration arrière 15. Les deux brosses suspendues 16 et 17 ont pour principale fonction de séparer les flux d'aspiration entre les fentes d'aspiration avant 14 / arrière 15 et le diffuseur de vapeur 21.The sole also comprises two suspended brushes 16 and 17, arranged between the steam diffuser 21 and the front suction slot 14 and the rear suction slot 15 respectively. The two main purpose of the two suspended brushes 16 and 17 are to separate the two suction flow between the front suction slots 14 / rear 15 and the steam diffuser 21.

La première branche 11 et la deuxième branche 12 sont reliées au conduit principal d'aspiration au niveau d'une jonction 13 en Y, et la flèche A indique la direction suivie par un flux d'air provenant de la fente d'aspiration avant 14 et la première branche 11, la flèche B indiquant quant à elle la direction suivie par un flux d'air provenant de la fente d'aspiration arrière 15 et la deuxième branche 12.The first branch 11 and the second branch 12 are connected to the main suction duct at a junction 13 in Y, and the arrow A indicates the direction followed by a flow of air from the front suction slot 14 and the first branch 11, the arrow B indicating the direction followed by a flow of air from the rear suction slot 15 and the second branch 12.

L'architecture de la jonction 13 fait que le conduit principal d'aspiration 10 est quasiment aligné avec la première branche 11, ce qui fait que le flux d'air arrivant de cette branche n'est presque pas dévié. Un vecteur vitesse de ce flux d'air en amont de la jonction 13 est presque colinéaire avec un vecteur vitesse de ce flux d'air en aval de la jonction 13. Ils sont en tous cas de même sens et de même direction, et le changement de direction d'écoulement au passage de la jonction 13, dans le plan de projection de la figure 2, est inférieur à 60°.The architecture of the junction 13 makes the main suction duct 10 is almost aligned with the first branch 11, so that the air flow coming from this branch is almost not deflected. A velocity vector of this flow of air upstream of the junction 13 is almost collinear with a velocity vector of this air flow downstream of the junction 13. They are in all cases of the same direction and direction, and the change of direction of flow at the passage of the junction 13, in the plane of projection of the figure 2 , is less than 60 °.

Par contre, l'architecture de la jonction 13 impose un changement de direction notable à un flux d'air qui va dans le conduit principal d'aspiration 10 et qui arrive de la fente d'aspiration arrière 15 et de la deuxième branche 12. En effet, un vecteur vitesse de ce flux d'air en amont de la jonction 13 est presque opposé à un vecteur vitesse de ce flux d'air en aval de la jonction 13. Ils sont en tous cas de sens et de direction opposés, et le changement de direction d'écoulement au passage de la jonction 13, dans le plan de projection de la figure 2, est supérieur à 90°.On the other hand, the architecture of the junction 13 imposes a notable change of direction in a flow of air which goes into the main suction duct 10 and which arrives from the rear suction slot 15 and the second branch 12. In fact, a velocity vector of this air flow upstream of the junction 13 is almost opposite to a velocity vector of this air flow in downstream of the junction 13. They are in any case of opposite direction and direction, and the change of direction of flow at the passage of the junction 13, in the projection plane of the figure 2 , is greater than 90 °.

La figure 3 représente une vue en coupe du suceur de la figure 2, selon l'axe III-III de la figure 2, pour illustrer en particulier le circuit d'air secondaire, avec la première branche 11 et la deuxième branche 12. On constate que la première branche 11 comprend une section de passage 11a qui est la plus petite des sections de passage de la première branche 11.The figure 3 represents a sectional view of the nozzle of the figure 2 , along axis III-III of the figure 2 , to illustrate in particular the secondary air circuit, with the first branch 11 and the second branch 12. It is noted that the first branch 11 comprises a passage section 11a which is the smallest of the passage sections of the first branch 11 .

Au niveau de la deuxième branche 12, celle-ci présente des sections de passage qui sont plus petites que celles de la première branche 11, et en particulier, la deuxième branche 12 comprend une section de passage 12a dont la surface est environ un tiers de la surface de la section de passage 11a.At the second branch 12, the latter has passage sections which are smaller than those of the first branch 11, and in particular, the second branch 12 comprises a passage section 12a whose surface is approximately one-third of the surface of the passage section 11a.

En conséquence, le nettoyeur selon la présente invention favorise une aspiration plus importante par le biais de la fente d'aspiration avant 14 que par le biais de la fente d'aspiration arrière 15. En effet, en raison de la différence des surfaces de passage entre la première branche 11 et la deuxième branche 12, combinée à la différence de cheminement des flux au niveau de la jonction 13, une grande partie du flux d'aspiration total passera par la première branche 11 et la fente d'aspiration avant 14.Accordingly, the cleaner according to the present invention promotes greater suction through the front suction slot 14 than through the rear suction slot 15. Indeed, due to the difference of the passage surfaces between the first branch 11 and the second branch 12, combined with the flow path difference at the junction 13, a large part of the total suction flow will pass through the first branch 11 and the front suction slot 14.

En conséquence, comme une majorité des impuretés à aspirer sont rencontrées par le suceur lors d'un mouvement vers l'avant, l'aspiration préférentielle par la fente d'aspiration avant 14 permettra de ramasser efficacement ces impuretés. En effet, la demanderesse a noté qu'une majorité d'utilisateurs ne change de direction de nettoyage que lors d'un mouvement vers l'avant, par exemple au début de celui-ci. Lors d'un mouvement vers l'arrière, la majorité des utilisateurs tire vers soi l'appareil, sans changer de direction de nettoyage.Consequently, since a majority of the impurities to be sucked are encountered by the nozzle during a forward movement, the preferential suction through the front suction slot 14 will effectively pick up these impurities. Indeed, the Applicant has noted that a majority of users change cleaning direction only during a forward movement, for example at the beginning of it. At a movement towards the rear, the majority of users pull the device towards you, without changing the direction of cleaning.

On remarque également figure 3 des encoches 18 (ou des rainures) ménagées dans la semelle du suceur pour former des chemins préférentiels d'aspiration des impuretés et en particulier des grosses particules (grains de riz, grains de café, pâtes ou nouilles, croquettes pour chat, graines pour oiseaux de compagnie...). Quatre encoches 18 sont ménagées sur la face avant 22, et trois sur la face arrière 23. Il y a moins d'encoches 18 sur la face arrière 23, car statistiquement, il y a moins d'impuretés à collecter lors d'un mouvement vers l'arrière.We also note figure 3 notches 18 (or grooves) formed in the sole of the nozzle to form preferential paths of suction impurities and in particular large particles (grains of rice, coffee beans, pasta or noodles, kibble cat, seeds for birds of company...). Four notches 18 are formed on the front face 22, and three on the rear face 23. There are fewer notches 18 on the rear face 23, because statistically, there are less impurities to collect during a movement rearward.

On comprendra que diverses modifications et/ou améliorations évidentes pour l'homme du métier peuvent être apportées aux différents modes de réalisation de l'invention décrits dans la présente description sans sortir du cadre de l'invention défini par les revendications annexées.It will be understood that various modifications and / or improvements obvious to those skilled in the art can be made to the various embodiments of the invention described in the present description without departing from the scope of the invention defined by the appended claims.

Claims (9)

  1. Steam cleaner comprising:
    - suction means,
    - a main suction pipe (10) connected to the suction means,
    - a suction unit with a base comprising a front suction slot (14), a rear suction slot (15), and a steam diffuser (21) arranged between the front suction slot (14) and the rear suction slot (15),
    - a secondary air circuit with a first branch (11) connecting the main suction pipe (10) to the front suction slot (14) and a second branch (12) connecting the main suction pipe (10) to the rear suction slot (15), the first branch (11) and the second branch (12) each comprising a plurality of section for air stream to pass through, each defined by a surface, characterised in that the second branch (12) comprises at least one passage section (12a) of which the surface is smaller than or equal to half the smallest surface of the passage sections (11a) of the first branch (11).
  2. Steam cleaner according to the preceding claim, wherein the second branch (12) comprises at least one passage section (12a) of which the surface is smaller than or equal to one third of the smallest surface of the passage sections (11a) of the first branch (11).
  3. Steam cleaner according to any one of the preceding claims, comprising a Y-shaped junction (13) at which the first branch (11) and the second branch (12) join the main suction pipe (10), and wherein an air stream from the second branch (12) undergoes a change in flow direction greater than 90° to the passage of the Y-shaped junction (13), and wherein an air stream from the first branch (11) undergoes a change in flow direction less than 60° to the passage of the Y-shaped junction (13).
  4. Steam cleaner according to any one of the preceding claims, wherein:
    - a front face (22) of the suction unit comprises a plurality of notches (18) leading into the front suction slot,
    - a rear face (23) of the suction unit comprises a plurality of notches (18) leading into the rear suction slot,
    and wherein the number of notches (18) on the front face (22) is greater than the number of notches (18) on the rear face (23).
  5. Steam cleaner according to the preceding claim, wherein the front face (22) comprises at least four notches (18).
  6. Steam cleaner according to any one of the preceding claims, comprising at least one suspended brush (16, 17) arranged between the front suction slot and the steam diffuser (21) and/or between the rear suction slot and the steam diffuser (21).
  7. Steam cleaner according to any one of the preceding claims, wherein the suction unit is arranged to receive, so that it can be removed, a cleaning cloth between the steam diffuser (21) and a floor to be cleaned.
  8. Steam cleaner according to the preceding claim, comprising:
    - at least three wheels (32, 33), and
    - a cleaning cloth installed on the suction unit,
    wherein at least one of said at least three wheels (32, 33) is distant from the floor.
  9. Steam cleaner according to any one of the preceding claims, forming a steam cleaning brush.
EP17154208.7A 2016-02-02 2017-02-01 Steam cleaner Active EP3202299B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1650820A FR3047161B1 (en) 2016-02-02 2016-02-02 STEAM CLEANER

Publications (2)

Publication Number Publication Date
EP3202299A1 EP3202299A1 (en) 2017-08-09
EP3202299B1 true EP3202299B1 (en) 2018-12-19

Family

ID=56069040

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Application Number Title Priority Date Filing Date
EP17154208.7A Active EP3202299B1 (en) 2016-02-02 2017-02-01 Steam cleaner

Country Status (7)

Country Link
EP (1) EP3202299B1 (en)
KR (1) KR20170092116A (en)
CN (2) CN207152545U (en)
ES (1) ES2707348T3 (en)
FR (1) FR3047161B1 (en)
RU (1) RU2717670C2 (en)
TR (1) TR201900657T4 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3047161B1 (en) * 2016-02-02 2018-01-26 Seb S.A. STEAM CLEANER
WO2021253509A1 (en) * 2020-06-18 2021-12-23 苏州爱普电器有限公司 Surface cleaning apparatus

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Publication number Priority date Publication date Assignee Title
FR2773317B1 (en) * 1998-01-08 2000-03-31 Olivier Ets Georges VACUUM CLEANER
DE10003883C1 (en) * 2000-01-29 2001-08-30 Kaercher Gmbh & Co Alfred Cleaning head for a floor cleaning device
FR2940035B1 (en) * 2008-12-19 2012-11-16 Seb Sa VACUUM SUCKER
EP2453778B1 (en) * 2009-07-16 2015-04-29 Dyson Technology Limited A surface treating head
AU2010246496B2 (en) * 2009-12-03 2013-11-07 Bissell Inc. Steam mop with shuttling steam distributor
CN202723763U (en) * 2012-08-27 2013-02-13 光荣电业（东莞）有限公司 Structurally improved suction force concentrated cleaning device
CN202801479U (en) * 2012-09-17 2013-03-20 莱克电气股份有限公司 Dust collector floor brush with double suction ports
FR3011455B1 (en) * 2013-10-08 2015-12-18 Seb Sa STEAM CLEANER
CN204306766U (en) * 2014-12-22 2015-05-06 苏州德莱电器有限公司 Surface cleaning apparatus
CN204520524U (en) * 2015-02-12 2015-08-05 松下家电研究开发（杭州）有限公司 Dust catcher suction nozzle and dust catcher
FR3047161B1 (en) * 2016-02-02 2018-01-26 Seb S.A. STEAM CLEANER

Non-Patent Citations (1)

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Title
None *

Also Published As

Publication number Publication date
KR20170092116A (en) 2017-08-10
FR3047161A1 (en) 2017-08-04
RU2017102711A (en) 2018-07-27
EP3202299A1 (en) 2017-08-09
CN207152545U (en) 2018-03-30
RU2717670C2 (en) 2020-03-25
CN107019471B (en) 2022-08-02
TR201900657T4 (en) 2019-02-21
FR3047161B1 (en) 2018-01-26
ES2707348T3 (en) 2019-04-03
RU2017102711A3 (en) 2020-03-05
CN107019471A (en) 2017-08-08

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