EP3954261B1 - Portable vacuum cleaner provided with a removable filter - Google Patents

Portable vacuum cleaner provided with a removable filter Download PDF

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Publication number
EP3954261B1
EP3954261B1 EP21189260.9A EP21189260A EP3954261B1 EP 3954261 B1 EP3954261 B1 EP 3954261B1 EP 21189260 A EP21189260 A EP 21189260A EP 3954261 B1 EP3954261 B1 EP 3954261B1
Authority
EP
European Patent Office
Prior art keywords
wall
vacuum cleaner
suction unit
portable vacuum
internal space
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
EP21189260.9A
Other languages
German (de)
French (fr)
Other versions
EP3954261C0 (en
EP3954261A1 (en
Inventor
Bertrand ESCALETTES
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.)
SEB SA
Original Assignee
SEB SA
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Filing date
Publication date
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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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/24—Hand-supported suction cleaners
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/12—Dry filters
    • A47L9/127—Dry filters tube- or sleeve-shaped
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1658—Construction of outlets
    • A47L9/1666—Construction of outlets with filtering means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1683—Dust collecting chambers; Dust collecting receptacles
    • 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
    • A47L9/28—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means
    • A47L9/2868—Arrangements for power supply of vacuum cleaners or the accessories thereof
    • A47L9/2884—Details of arrangements of batteries or their installation
    • 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
    • A47L9/32—Handles
    • A47L9/322—Handles for hand-supported suction cleaners

Definitions

  • the present invention relates to the field of vacuum cleaners making it possible to suck up dust and small-particle waste present on a surface to be cleaned, which can for example be tiles, parquet, laminate, carpet or a rug.
  • waste separation device By waste separation device, reference is made to a separation device, for example of the filter type using at least one filter medium or cyclonic type using at least one cyclone, which is capable of separating waste and/or dust from the sucked air flow. Waste and/or dust are hereinafter referred to as waste.
  • the document US 2018/110384 A1 describes a portable vacuum cleaner according to the preamble of claim 1.
  • the present invention aims to remedy all or part of the aforementioned drawbacks.
  • the technical problem underlying the invention consists in particular in providing a portable vacuum cleaner whose lightness and compactness are improved without, moreover, altering the robustness of the device and the performance of the vacuum cleaner.
  • the suction unit housing comprises a second wall which at least partially covers the first wall.
  • the second wall is formed at a distance from the first wall to define, at least in part, an internal space of the portable vacuum cleaner which extends between the first wall and the second wall.
  • the present invention makes it possible to provide an internal space to the portable vacuum cleaner which adjoins the suction unit.
  • This internal space is formed in the housing of the suction unit.
  • the walls of the housing of the suction unit make it possible both to form a protective housing around the suction unit and to create an internal space in the portable vacuum cleaner which is functional for the vacuum cleaner, that is to say an internal space which is intended to form an air duct or to receive a functional sub-assembly of the portable vacuum cleaner such as for example a noise attenuator or absorber, an electronic circuit board control or command of the portable vacuum cleaner or a filter forming part of the a Vogellic circuit, etc.
  • the portable vacuum cleaner may further have one or more of the following features, taken alone or in combination.
  • the first wall and the second wall of the suction unit casing are obtained by manufacturing in one piece.
  • the first wall and the second wall are for example obtained by injection under pressure of plastic material.
  • This feature has the effect of simplifying the manufacture of the suction unit housing.
  • the electric motor comprises an output shaft having an axis of rotation, the output shaft being coupled to the fan.
  • the first wall and the second wall are of partially annular shapes around the axis of rotation.
  • the first wall and the second wall then delimit an internal space of partially annular shape around the suction unit.
  • the internal space does not extend all around the suction unit.
  • the internal space could for example have a "C" shape which partially extends around the suction unit.
  • an internal space in the shape of a “C” makes it possible, for example, to provide more easily passages for electrical cables or passages for a Vogellic pipes which do not pass through the internal space.
  • This configuration therefore makes it possible to optimize the internal space in the presence of constraints such as, for example, passages of electrical cables or passages of a Vogellic pipes which cannot pass through the internal space.
  • first wall and the second wall are of annular shapes, for example tubular or tapered, substantially coaxial with the axis of rotation.
  • the first wall and the second wall then delimit, at least in part, an annular internal space which extends around the suction unit.
  • This configuration makes it possible to optimize the internal space that extends all around the suction unit. It is for example possible to place in this annular internal space a functional subassembly of large dimensions such as a dust filter while limiting the impact on the outer diameter of the portable vacuum cleaner.
  • the first wall and the second wall are connected by at least one connecting wall, the first wall, the second wall and the connecting wall are made in one piece, preferably in one piece obtained by plastic injection. Thanks to this configuration, the suction unit casing is simple to manufacture.
  • the connecting wall extends radially, relative to the axis of rotation of the electric motor, between the first wall and the second wall.
  • the connecting wall has the shape of an annular disc.
  • first wall and the second wall are connected by connecting arms.
  • first wall, the second wall and the connecting arms are advantageously made in a single piece, preferably in a single piece obtained by plastic injection.
  • the suction unit housing includes an access opening for accessing the internal space.
  • the connecting wall is preferably formed on a side of the suction unit housing that is opposite the access opening.
  • the access opening makes it possible to easily introduce or remove a subassembly of the vacuum cleaner which would be of the removable type such as for example a removable filter.
  • the access opening also makes it possible to be able to unmold more easily and therefore to manufacture the suction unit casing more easily, in particular when the latter is obtained by plastic injection under pressure in a single piece.
  • the internal space formed between the first wall and the second wall forms a chamber or a pipe located on the aunterlic circuit.
  • the chamber or duct is traversed by a flow of air generated by the suction unit when the portable vacuum cleaner is in operation.
  • the space internal form a pipe the latter is typically a ventilation pipe for conveying air in the portable vacuum cleaner.
  • the internal space forms a chamber the latter can be used to house a functional sub-assembly of the portable vacuum cleaner such as, for example, a filter, an attenuator or a noise absorber forming part of the a Vogellic circuit.
  • the internal space as defined can therefore carry out or receive functions essential to the portable vacuum cleaner.
  • the internal space which extends between the first wall and the second wall forms a filtration chamber in which is placed a filter, preferably a removable filter, the filtration chamber and the filter being arranged on the aeraulic circuit and being crossed by a flow of air generated by the suction unit when the portable vacuum cleaner is in operation.
  • the filtration chamber and the filter are arranged on the aeraulic circuit downstream of the suction unit.
  • the internal space is also adapted to receive a filter which belongs to an upstream part of the aunterlic circuit, that is to say upstream of the suction unit, the fact that the internal space is formed at side or around the suction unit makes it possible to further optimize the aeraulic circuit in terms of pressure drops and overall size when this internal space is used for a filtration chamber and a removable filter which belong to the downstream part of the aunterlic circuit, i.e. the part of the a Vogellic circuit which is located downstream of the suction unit.
  • the filtration chamber is delimited at least partially by the first wall, the second wall and the connecting wall.
  • the access opening allows installation or removal of the filter.
  • the filtration chamber and the filter have an annular shape which extends around the suction unit.
  • the filtration chamber comprises at least one air inlet formed in the connecting wall.
  • the air inlet of the filtration chamber is in aeraulic communication with an air outlet of the suction unit, and the filtration chamber comprises at least one air outlet which is formed in the second wall.
  • the first wall has no opening.
  • At least a portion of the second wall forms at least one wall of the vacuum cleaner housing.
  • This configuration makes it possible to delimit the internal space between the walls which already exist in a conventional vacuum cleaner.
  • the internal space can therefore be formed with fewer walls than in a conventional vacuum cleaner, which makes it possible to further lighten the portable vacuum cleaner and to make it more compact.
  • This configuration also makes it possible to maximize the internal space between the protective casing of the suction unit and the vacuum cleaner housing.
  • the first wall and the second wall forming part of the same one-piece piece, the fact of forming the internal space between the protective casing of the suction unit and the vacuum cleaner housing does not alter the sturdiness of the portable vacuum cleaner at this location.
  • said at least one air outlet is the exhaust port.
  • the second wall of the suction unit housing is, in a direction parallel to the axis of rotation of the motor, arranged between the removable bowl and a rear part of the vacuum cleaner housing.
  • the access opening which gives access to the internal space faces the removable bowl.
  • a functional subassembly of the vacuum cleaner such as a removable filter
  • a functional subassembly of the vacuum cleaner can be easily removed from the internal space through the access opening when the removable bowl is detached from the housing. 'vacuum.
  • the removable filter is made inaccessible and cannot be removed from the internal space via the access opening.
  • the separation device is housed in the removable bowl so that it can be separated from the vacuum cleaner housing with the removable bowl.
  • This construction makes it possible to remove the separating device with the removable bowl so that the separating device can then be removed and cleaned more easily.
  • the removable bowl is removably attached to the vacuum cleaner housing and comes into contact with the vacuum cleaner housing via a contact surface formed on the vacuum cleaner housing.
  • the contact surface is substantially annular, the internal space and the access opening are formed radially inside the substantially annular contact surface.
  • the contact surface is formed by a substantially annular axial end of the second wall of the suction unit casing.
  • the substantially annular contact surface is simple to make on the second wall of the vacuum unit housing and allows evenly distributed contact of the removable bowl to the vacuum cleaner housing when the bowl is attached to the vacuum housing .
  • a uniformly distributed contact of the removable bowl on the vacuum cleaner housing makes it possible in particular to more easily produce the seals at the level of this contact zone.
  • the removable bowl can be attached in various ways to the vacuum cleaner housing, in particular by clipping, using at least one notch and a locking latch, by a bayonet-type fixing means, by screwing or any other means known to those skilled in the art.
  • the separation device is a cyclonic separator having a main axis which is coaxial with the axis of rotation of the output shaft of the electric motor.
  • the portable vacuum cleaner is referred to as a vacuum cleaner.
  • THE figures 1 to 10 represent a vacuum cleaner 1 comprising a vacuum cleaner housing 2, a gripping handle 3 connected to the vacuum cleaner housing 2, an air suction inlet 4 through which air can be sucked in by the vacuum cleaner 1, several orifices air exhaust 5 through which the cleaned air can exit from the vacuum cleaner 1.
  • the vacuum cleaner 1 further comprises an aeraulic circuit 6 which extends between the suction inlet 4 and the exhaust orifices 5.
  • the vacuum cleaner 1 comprises a suction unit 7 disposed on the aunterlic circuit 6.
  • the suction unit 7 comprises an electric motor 7.1 and a fan 7.2 (represented in figure 2 And 4 ) coupled to the electric motor 71 to generate a flow of air in the a Vogellic circuit 6 from the suction inlet 4 to the exhaust ports 5.
  • the grip handle 3 can be obtained by manufacturing in one part with the vacuum cleaner housing 2 or be attached thereto.
  • the vacuum cleaner 1 also comprises a waste separation device 8 disposed on the aeraulic circuit 6 upstream 6.1 of the suction unit 7.
  • the waste separation device 8 is traversed by an air flow generated by the suction unit 7 when the vacuum cleaner 1 is in operation.
  • the vacuum cleaner comprises 1 a removable bowl 9, also known as a waste storage container, intended to receive and accumulate the waste separated by the waste separation device 8 and which is removably attached to the vacuum cleaner housing 2
  • the waste separation device 8 is advantageously arranged in the removable bowl 9.
  • the removable bowl 9 in this case forms a separation chamber.
  • the waste separation device 8 is detachable from the removable bowl 9 to be able to more easily empty the contents of the removable bowl 9 when the latter is detached from the vacuum cleaner housing 2.
  • the air suction inlet 4 is connected to the separation chamber, corresponding to the interior of the removable bowl 9 by an air intake pipe 4.1 (shown in figure 2 ).
  • the vacuum cleaner 1 preferably comprises a battery pack 10 in the lower part of the vacuum cleaner.
  • a lower surface 10.1 of the battery pack 10 allows the vacuum cleaner to rest on a horizontal surface when the vacuum cleaner 1 is not in use (see picture 2 ).
  • the gripping handle 3 extends between the battery pack 10 and the vacuum cleaner housing 2 advantageously at the level of a rear part 13 of the vacuum cleaner.
  • the vacuum cleaner 1 comprises a button 11 for operating the vacuum cleaner controlling in particular the operation of the suction unit 7 when it is actuated by the user.
  • the electric motor 7.1 includes an output shaft 7.3 (shown in figure 2 , 4 , 6 And 8 ) having an axis of rotation X.
  • the output shaft 7.3 is coupled to the fan 7.2.
  • the separation device 8, the fan 7.2 and the electric motor 7.1 are aligned. More precisely, the waste separation device 8, the fan 7.2 and the electric motor 7.1 are aligned and centered on the axis of rotation X of the electric motor 7.1.
  • the axis of rotation X is in this configuration a main axis of the vacuum cleaner 1.
  • the suction unit 7 belongs to the rear part 13 of the vacuum cleaner 1 and the waste separation device 8 is located in front of the suction unit 7.
  • the figure 4 And 6 represent the rear part 13 of the vacuum cleaner 1.
  • the suction inlet 4 of the vacuum cleaner 1 forms a front end of the portable vacuum cleaner 1. This suction inlet 4 advantageously projects forward relative to the rest of the portable vacuum cleaner 1, in particular relative to the removable bowl 9.
  • the vacuum cleaner 1 further comprises a suction unit casing 12 which at least partially covers the suction unit 7. More specifically, the suction unit casing 12 comprises a first wall 12.3 which covers at least partially the suction unit 7.
  • the suction unit housing 12 is visible on the figures 2 to 10 and more specifically to figure 9 And 10 .
  • the suction unit housing 12 serves in particular to position and hold the suction unit 7 in the vacuum cleaner 1 and also to protect the suction unit 1.
  • the suction unit 7 may comprise an intermediate casing 7.4 which, with respect to the axis of rotation X of the electric motor 7.1, is arranged radially inside the suction unit casing 12.
  • the suction unit casing 12 comprises an air inlet opening 12.1 and an air outlet opening 12.2 which are in aeraulic communication with the suction unit 7 and which are arranged on either side. another of the suction unit 7 in the direction of the axis of rotation X.
  • the air inlet opening 12.1 communicates with an upstream part 6.1 of the a Vogellic circuit 6 and the air outlet 12.2 communicates with a downstream part of the aeraulic circuit 6.
  • the upstream part 6.1 of the aunterlic circuit 6 is located upstream of the suction unit 7 and extends between the suction inlet 4 and the suction unit 7
  • the downstream part 6.2 of the a Vogellic circuit 6 is located downstream of the suction unit 7 and extends between the suction unit 7 and the exhaust orifices 5.
  • the separation device 8 is arranged in the upstream part 6.1 of the aeraulic circuit 6.
  • the separation device 8 is advantageously a cyclonic separator having a main axis which is coaxial with the axis of rotation X of the output shaft of the electric motor.
  • the separation device could be produced by a filter comprising a porous filter medium to allow air to pass and prevent waste from passing through it.
  • the vacuum cleaner may comprise, in addition to the waste separation device 8, an upstream filter 13 which in the aeraulic circuit is arranged between the waste separation device 8 and the suction unit 7.
  • This upstream filter 13 is preferably of the removable type, it is of frustoconical shape and is housed in a central part of the cyclonic separator.
  • the vacuum cleaner 1 preferably comprises, in addition to the waste separation device 8, a downstream filter 14 which is arranged in the downstream part 6.2 of the aeraulic circuit 6 .
  • the suction unit housing 12 comprises a second wall 12.4 which covers at least partially the first wall 12.3.
  • the second wall 12.4 is formed at a distance from the first wall to delimit 12.3, at least in part, an internal space 15 of the portable vacuum cleaner 1 which extends between the first wall 12.3 and the second wall 12.4.
  • the first wall 12.3 and the second wall 12.4 are advantageously of annular shapes coaxial with the axis of rotation X of the output shaft 7.3 of the electric motor 7.1.
  • the first wall 12.3 and the second wall 12.4 delimit, at least in part, the internal space 15 which of annular shape extends around the suction unit 7.
  • the first wall 12.3 and the second wall 12.4 are more specifically of tubular shapes.
  • the first wall and second wall could just as well be of substantially frustoconical shapes.
  • the first wall and the second wall are of partially annular shape around the axis of rotation of the electric motor such that the first wall and the second wall delimit an internal space of partially annular shape. around the suction unit.
  • the internal space could have, for example, the shape of a section of a ring or a section whose shape would be “C” (unclosed ring).
  • the first wall 12.3 and the second wall 12.4 are connected by a connecting wall 12.5.
  • the first wall 12.3, the second wall 12.4 and the connecting wall 12.5 are advantageously made in one piece, preferably in one piece obtained by plastic injection.
  • the connecting wall 12.5 extends radially relative to the axis of rotation X of the electric motor 7.1 and the connecting wall 12.5 extends between the first wall 12.3 and the second wall 12.4.
  • the connecting wall 12.5 has the shape of an annular disc.
  • the connecting wall does not necessarily have a shape annular, it could for example have the shape of a disc section or a substantially rectangular or trapezoidal shape or a "C" shape.
  • first wall and the second wall could be connected by connecting arms extending radially between the first wall and the second wall.
  • first wall 12.3, the second wall 12.4 and the connecting arms would advantageously be made in one piece, preferably in one piece obtained by plastic injection
  • the suction unit casing 12 comprises an access opening 12.6 for accessing the internal space 15.
  • the connecting wall 12.5 is formed on one side of the unit casing suction 12 which is opposed to the access opening 12.6.
  • the internal space 15 is defined by walls 12.3, 12.4 and 12.5 of the suction unit casing 12 which over a half-section, for example a half-section of the figure 10 , substantially form a “U”. This U-shape is shown in dotted lines on the figure 10 and bears the reference 15.1.
  • the access opening 12.6 faces the removable bowl 9.
  • the internal space 15 forms a filtration chamber in which a filter is placed.
  • the filtration chamber and the filter are arranged on the a Vogellic circuit 6 and are traversed by a flow of air generated by the suction unit 7 when the vacuum cleaner 1 is in operation.
  • the filtration chamber 15 is arranged on the downstream part 6.2 of the aeraulic circuit 6 and the filter is a downstream filter 14 as previously described.
  • the filtration chamber 15 and the downstream filter 14 have an annular shape which extends around the suction unit 7.
  • the downstream filter 14 is preferably removable and the access opening 12.6 makes it possible to place the filter 14 in the filtration chamber or to remove the filter 14 when the removable bowl 9 is detached from the vacuum cleaner housing 2.
  • FIG 1 And 2 show the vacuum cleaner 1 in working order, that is to say with the removable filter 14 in place in the filtration chamber and the removable bowl 9 attached to the vacuum cleaner housing 2.
  • the figures 3 to 8 show 3 stages of successive dismantling of the downstream filter 14 until the complete removal of the downstream filter 14.
  • the figure 3 And 4 show the vacuum cleaner 1 in a first stage of dismantling where the removable bowl 9 is detached and where the downstream filter 14 is still in place in the filtration chamber.
  • THE figure 5 And 6 show the vacuum cleaner, in a second dismantling step where the downstream filter 14 is partially removed from the filtration chamber following a translational movement of the removable filter along the main axis X.
  • the figure 7 And 8 show the vacuum cleaner, in a third dismantling step where the downstream filter 14 is completely removed from the filtration chamber.
  • the internal space could receive, instead of a downstream filter, an upstream filter (belonging to the upstream part 6.1 of the a Vogellic circuit 6) or another functional subassembly of the portable vacuum cleaner such as, for example, a noise attenuator or absorber, an electronic control or command card for the portable vacuum cleaner, etc.
  • the internal space could also be used to define an air duct.
  • the filtration chamber formed by the internal space 15 comprises at least one air inlet 12.7 formed on the connecting wall 12.5. As depicted in figure 9 , several air inlets 12.7 are advantageously formed on the connecting wall 12.5. The air inlets 12.7 are in aeraulic communication with the air outlet 12.2 and with the suction unit 7.
  • the filtration chamber comprises at least one air outlet which is formed on the second wall 12.4.
  • the filtration chamber comprises several air outlets formed on the second wall 12.4.
  • the first wall 12.3 advantageously has no opening.
  • two portions of the second wall 12.4 form two walls 2.1 and 2.2 of the vacuum cleaner housing 2 and the air outlets made in the second wall 12.6 form the orifices exhaust 5 which are, in this embodiment formed on the walls 2.1 and 2.2.
  • the walls 2.1 and 2.2 are arranged symmetrically on one side and the other of the vacuum cleaner 1.
  • the second wall 12.4 which forms walls 2.1 and 2.2 of the vacuum cleaner housing 2 is, in a direction parallel to the axis of rotation A of the electric motor 7.1, arranged between the removable bowl 9 and a rear part 2.3 of the housing of vacuum cleaner 2.
  • the removable bowl 9 is removably attached to the vacuum cleaner housing 2 via a contact surface 12.8 formed by a substantially annular axial end of the second wall 12.4 of the suction unit housing 12.
  • the removable bowl 9 is attached in a reversible manner to the vacuum cleaner housing 2.
  • the removable bowl 9 can be attached in various ways to the vacuum cleaner housing 2, in particular by clipping, by a bayonet-type fastening means, by screwing or as represented for example on the figure 1 using at least one notch 19 and a locking latch 20,

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Electric Suction Cleaners (AREA)
  • Electric Vacuum Cleaner (AREA)

Description

Domaine techniqueTechnical area

La présente invention concerne le domaine des aspirateurs permettant d'aspirer des poussières et des déchets de faible granulométrie présents sur une surface à nettoyer, qui peut par exemple être du carrelage, du parquet, du stratifié, de la moquette ou un tapis.The present invention relates to the field of vacuum cleaners making it possible to suck up dust and small-particle waste present on a surface to be cleaned, which can for example be tiles, parquet, laminate, carpet or a rug.

Etat de la techniqueState of the art

Un aspirateur, et plus particulièrement un aspirateur portatif, comporte de façon connue :

  • ❖ un boitier d'aspirateur,
  • ❖ une poignée de préhension reliée au boitier d'aspirateur,
  • ❖ une entrée d'aspiration par laquelle l'air peut être aspiré par l'aspirateur portatif,
  • ❖ au moins un orifice d'échappement par lequel l'air nettoyé peut sortir de l'aspirateur portatif,
  • ❖ un circuit aéraulique qui s'étend entre l'entrée d'aspiration et l'orifice d'échappement,
  • ❖ une unité d'aspiration disposée sur le circuit aéraulique, l'unité d'aspiration comprenant un moteur électrique et un ventilateur pour générer un flux d'air dans le circuit aéraulique depuis l'entrée d'aspiration jusqu'à l'orifice d'échappement,
  • ❖ un dispositif de séparation des déchets disposé sur le circuit aéraulique en amont de l'unité d'aspiration et qui est traversé par un flux d'air généré par l'unité d'aspiration lorsque l'aspirateur portatif est en fonctionnement,
  • ❖ un carter d'unité d'aspiration qui recouvre au moins partiellement l'unité d'aspiration. Un carter d'unité d'aspiration sert généralement à positionner et maintenir l'unité d'aspiration dans l'aspirateur portatif et sert également à protéger l'unité d'aspiration.
A vacuum cleaner, and more particularly a portable vacuum cleaner, comprises in known manner:
  • ❖ a vacuum cleaner box,
  • ❖ a grip handle connected to the vacuum cleaner box,
  • ❖ a suction inlet through which air can be sucked in by the portable vacuum cleaner,
  • ❖ at least one exhaust port through which the cleaned air can exit the portable vacuum cleaner,
  • ❖ an aeraulic circuit which extends between the suction inlet and the exhaust port,
  • ❖ a suction unit arranged on the aeraulic circuit, the suction unit comprising an electric motor and a fan to generate a flow of air in the aeraulic circuit from the suction inlet to the orifice of 'exhaust,
  • ❖ a waste separation device placed on the aeraulic circuit upstream of the suction unit and which is crossed by a flow of air generated by the suction unit when the portable vacuum cleaner is in operation,
  • ❖ a suction unit casing which at least partially covers the suction unit. A vacuum unit housing generally serves to position and hold the vacuum unit in the handheld vacuum and also serves to protect the vacuum unit.

Par dispositif de séparation des déchets il est fait référence à un dispositif de séparation, par exemple de type filtre utilisant au moins un média filtrant ou de type cyclonique utilisant au moins un cyclone, qui soit capable de séparer des déchets et/ou poussières du flux d'air aspiré. Les déchets et/ou poussières sont ci-après dénommés les déchets. Le document US 2018/110384 A1 décrit un aspirateur portatif selon la préambule de la revendication 1.By waste separation device, reference is made to a separation device, for example of the filter type using at least one filter medium or cyclonic type using at least one cyclone, which is capable of separating waste and/or dust from the sucked air flow. Waste and/or dust are hereinafter referred to as waste. The document US 2018/110384 A1 describes a portable vacuum cleaner according to the preamble of claim 1.

Pour ce type d'aspirateur portatif il est recherché, depuis plusieurs années, un compromis entre efficacité d'aspiration, capacité de stockage des déchets dans le bol amovible, compacité et légèreté pour que l'aspirateur portatif puisse rester maniable.For this type of portable vacuum cleaner, a compromise has been sought for several years between suction efficiency, waste storage capacity in the removable bowl, compactness and lightness so that the portable vacuum cleaner can remain handy.

Pour diminuer la masse des aspirateurs portatifs et diminuer leur encombrement extérieur, certains constructeurs ont, par exemple, recherché à diminuer les épaisseurs des parois internes et externes des aspirateurs portatifs tandis que d'autres ont recherché à diminuer la masse de l'unité d'aspiration. La diminution des épaisseurs des parois internes ou externes des aspirateurs portatifs se fait généralement au détriment de leur robustesse diminuant globalement la durée de vie des aspirateurs portatifs qui sont, par exemple, plus sensibles aux chocs. La diminution de la masse des unités d'aspiration sans changement de technologie moteur s'accompagne souvent d'une baisse de la puissance d'aspiration et d'une diminution des performances à l'aspiration.To reduce the mass of portable vacuum cleaners and reduce their external bulk, some manufacturers have, for example, sought to reduce the thicknesses of the internal and external walls of portable vacuum cleaners while others have sought to reduce the mass of the unit. suction. The reduction in the thicknesses of the internal or external walls of portable vacuum cleaners is generally done to the detriment of their robustness, generally reducing the life of portable vacuum cleaners which are, for example, more sensitive to shocks. Reducing the mass of suction units without changing motor technology is often accompanied by a drop in suction power and a decrease in suction performance.

Résumé de l'inventionSummary of the invention

La présente invention vise à remédier à tout ou partie des inconvénients précités.The present invention aims to remedy all or part of the aforementioned drawbacks.

Le problème technique à la base de l'invention consiste notamment à fournir un aspirateur portatif dont la légèreté et la compacité sont améliorées sans altérer par ailleurs la robustesse de l'appareil et les performances de l'aspirateur.The technical problem underlying the invention consists in particular in providing a portable vacuum cleaner whose lightness and compactness are improved without, moreover, altering the robustness of the device and the performance of the vacuum cleaner.

A cet effet, la présente invention concerne un aspirateur portatif comprenant :

  • ❖ un boitier d'aspirateur,
  • ❖ une poignée de préhension reliée au boitier d'aspirateur,
  • ❖ une entrée d'aspiration par laquelle l'air peut être aspiré par l'aspirateur portatif,
  • ❖ au moins un orifice d'échappement par lequel l'air nettoyé peut sortir de l'aspirateur portatif,
  • ❖ un circuit aéraulique qui s'étend entre l'entrée d'aspiration et l'orifice d'échappement,
  • ❖ une unité d'aspiration disposée sur le circuit aéraulique, l'unité d'aspiration comprenant un moteur électrique et un ventilateur couplé au moteur électrique pour générer un flux d'air dans le circuit aéraulique depuis l'entrée d'aspiration jusqu'à l'orifice d'échappement,
  • ❖ un dispositif de séparation des déchets disposé sur le circuit aéraulique en amont de l'unité d'aspiration et qui est traversé par un flux d'air généré par l'unité d'aspiration lorsque l'aspirateur portatif est en fonctionnement,
  • ❖ un bol amovible destiné à recevoir les déchets séparés par le dispositif de séparation des déchets et qui est attaché de manière amovible au boitier d'aspirateur,
  • ❖ un carter d'unité d'aspiration comprenant une première paroi qui recouvre au moins partiellement l'unité d'aspiration.
To this end, the present invention relates to a portable vacuum cleaner comprising:
  • ❖ a vacuum cleaner box,
  • ❖ a grip handle connected to the vacuum cleaner box,
  • ❖ a suction inlet through which air can be sucked in by the portable vacuum cleaner,
  • ❖ at least one exhaust port through which the cleaned air can exit the portable vacuum cleaner,
  • ❖ an aeraulic circuit which extends between the suction inlet and the exhaust port,
  • ❖ a suction unit arranged on the aeraulic circuit, the suction unit comprising an electric motor and a fan coupled to the electric motor to generate a flow of air in the aeraulic circuit from the suction inlet to the exhaust port,
  • ❖ a waste separation device placed on the aeraulic circuit upstream of the suction unit and which is crossed by a flow of air generated by the suction unit when the portable vacuum cleaner is in operation,
  • ❖ a removable bowl intended to receive the waste separated by the waste separation device and which is removably attached to the vacuum cleaner housing,
  • ❖ a suction unit casing comprising a first wall which at least partially covers the suction unit.

Selon la présente invention, le carter d'unité d'aspiration comprend une deuxième paroi qui recouvre au moins partiellement la première paroi. La deuxième paroi est formée à distance de la première paroi pour délimiter, au moins en partie, un espace interne de l'aspirateur portatif qui s'étend entre la première paroi et la deuxième paroi.According to the present invention, the suction unit housing comprises a second wall which at least partially covers the first wall. The second wall is formed at a distance from the first wall to define, at least in part, an internal space of the portable vacuum cleaner which extends between the first wall and the second wall.

La présente invention permet de ménager un espace interne à l'aspirateur portatif qui jouxte l'unité d'aspiration. Cet espace interne est formé dans le carter de l'unité d'aspiration. En d'autres termes, les parois du carter de l'unité d'aspiration permettent à la fois de former un carter de protection autour de l'unité d'aspiration et de créer un espace interne à l'aspirateur portatif qui soit fonctionnel pour l'aspirateur, c'est-à-dire un espace interne qui est destiné à former une conduite aéraulique ou à recevoir un sous-ensemble fonctionnel de l'aspirateur portatif tel que par exemple un atténuateur ou absorbeur de bruit, une carte électronique de contrôle ou de commande de l'aspirateur portatif ou un filtre faisant partie du circuit aéraulique, etc.The present invention makes it possible to provide an internal space to the portable vacuum cleaner which adjoins the suction unit. This internal space is formed in the housing of the suction unit. In other words, the walls of the housing of the suction unit make it possible both to form a protective housing around the suction unit and to create an internal space in the portable vacuum cleaner which is functional for the vacuum cleaner, that is to say an internal space which is intended to form an air duct or to receive a functional sub-assembly of the portable vacuum cleaner such as for example a noise attenuator or absorber, an electronic circuit board control or command of the portable vacuum cleaner or a filter forming part of the aeraulic circuit, etc.

La formation d'un tel espace interne directement dans le carter d'unité d'aspiration qui soit fonctionnel pour l'aspirateur portatif permet de diminuer le nombre de parois qui auraient été nécessaires à la création d'un tel espace interne non intégré au carter d'unité d'aspiration et permet finalement d'alléger et de rendre plus compact l'aspirateur portatif tout en préservant la robustesse de l'appareil et sans altérer les performances de l'aspirateur.The formation of such an internal space directly in the suction unit housing which is functional for the portable vacuum cleaner makes it possible to reduce the number of walls which would have been necessary to create such a space. internal unit not integrated into the suction unit casing and finally makes it possible to lighten and make the portable vacuum cleaner more compact while preserving the robustness of the device and without altering the performance of the vacuum cleaner.

L'aspirateur portatif peut en outre présenter une ou plusieurs des caractéristiques suivantes, prises seules ou en combinaison.The portable vacuum cleaner may further have one or more of the following features, taken alone or in combination.

Avantageusement, la première paroi et la deuxième paroi du carter d'unité d'aspiration sont obtenues de fabrication en une seule pièce. La première paroi et la deuxième paroi sont par exemple obtenues par injection sous pression de matière plastique.Advantageously, the first wall and the second wall of the suction unit casing are obtained by manufacturing in one piece. The first wall and the second wall are for example obtained by injection under pressure of plastic material.

Cette caractéristique a pour effet de simplifier la fabrication du carter d'unité d'aspiration.This feature has the effect of simplifying the manufacture of the suction unit housing.

Avantageusement, le moteur électrique comprend un arbre de sortie ayant un axe de rotation, l'arbre de sortie étant couplé au ventilateur.Advantageously, the electric motor comprises an output shaft having an axis of rotation, the output shaft being coupled to the fan.

La première paroi et la deuxième paroi sont de formes partiellement annulaires autour de l'axe de rotation. La première paroi et la deuxième paroi délimitent alors un espace interne de forme partiellement annulaire autour de l'unité d'aspiration. Selon cette configuration, l'espace interne ne s'étend pas tout autour de l'unité d'aspiration. L'espace interne pourrait par exemple avoir une forme en « C » qui s'étend partiellement autour de l'unité d'aspiration. Pour le besoin de certaines configurations d'aspirateurs, un espace interne en forme de « C » permet par exemple de ménager plus facilement des passages de câbles électriques ou des passages de conduites aérauliques qui ne passent pas dans l'espace interne. Cette configuration permet donc d'optimiser l'espace interne en présence de contraintes telles que par exemple des passages de câbles électriques ou des passages de conduites aérauliques qui ne peuvent pas passer dans l'espace interne.The first wall and the second wall are of partially annular shapes around the axis of rotation. The first wall and the second wall then delimit an internal space of partially annular shape around the suction unit. According to this configuration, the internal space does not extend all around the suction unit. The internal space could for example have a "C" shape which partially extends around the suction unit. For the needs of certain configurations of vacuum cleaners, an internal space in the shape of a “C” makes it possible, for example, to provide more easily passages for electrical cables or passages for aeraulic pipes which do not pass through the internal space. This configuration therefore makes it possible to optimize the internal space in the presence of constraints such as, for example, passages of electrical cables or passages of aeraulic pipes which cannot pass through the internal space.

Avantageusement, la première paroi et la deuxième paroi sont de formes annulaires, par exemple tubulaires ou tronconiques, sensiblement coaxiales à l'axe de rotation. La première paroi et la deuxième paroi délimitent alors, au moins en partie, un espace interne annulaire qui s'étend autour de l'unité d'aspiration.Advantageously, the first wall and the second wall are of annular shapes, for example tubular or tapered, substantially coaxial with the axis of rotation. The first wall and the second wall then delimit, at least in part, an annular internal space which extends around the suction unit.

Cette configuration permet d'optimiser l'espace interne qui s'étend tout autour de l'unité d'aspiration. Il est par exemple possible de placer dans cet espace interne annulaire un sous-ensemble fonctionnel de grandes dimensions tel qu'un filtre à poussières tout en limitant l'impact sur le diamètre extérieur de l'aspirateur portatif.This configuration makes it possible to optimize the internal space that extends all around the suction unit. It is for example possible to place in this annular internal space a functional subassembly of large dimensions such as a dust filter while limiting the impact on the outer diameter of the portable vacuum cleaner.

Avantageusement, la première paroi et la deuxième paroi sont reliées par au moins une paroi de liaison, la première paroi, la deuxième paroi et la paroi de liaison sont réalisées en une seule pièce, de préférence en une seule pièce obtenue par injection plastique. Grâce à cette configuration le carter d'unité d'aspiration est simple à fabriquer.Advantageously, the first wall and the second wall are connected by at least one connecting wall, the first wall, the second wall and the connecting wall are made in one piece, preferably in one piece obtained by plastic injection. Thanks to this configuration, the suction unit casing is simple to manufacture.

Avantageusement, la paroi de liaison s'étend radialement, par rapport à l'axe de rotation du moteur électrique, entre la première paroi et la deuxième paroi.Advantageously, the connecting wall extends radially, relative to the axis of rotation of the electric motor, between the first wall and the second wall.

Avantageusement, la paroi de liaison a une forme de disque annulaire.Advantageously, the connecting wall has the shape of an annular disc.

Dans une variante de réalisation, la première paroi et la deuxième paroi sont reliées par des bras de liaison. Dans ce cas, la première paroi, la deuxième paroi et les bras de liaison sont avantageusement réalisés en une seule pièce, de préférence en une seule pièce obtenue par injection plastique.In a variant embodiment, the first wall and the second wall are connected by connecting arms. In this case, the first wall, the second wall and the connecting arms are advantageously made in a single piece, preferably in a single piece obtained by plastic injection.

Avantageusement, le carter d'unité d'aspiration comprend une ouverture d'accès pour accéder à l'espace interne. La paroi de liaison est de préférence formée sur un côté du carter d'unité d'aspiration qui est opposé à l'ouverture d'accès.Advantageously, the suction unit housing includes an access opening for accessing the internal space. The connecting wall is preferably formed on a side of the suction unit housing that is opposite the access opening.

L'ouverture d'accès permet de pouvoir introduire ou retirer facilement un sous-ensemble de l'aspirateur qui serait de type amovible tel que par exemple un filtre amovible. L'ouverture d'accès permet également de pouvoir démouler plus facilement et donc de fabriquer plus facilement le carter d'unité d'aspiration notamment lorsque ce dernier est obtenu d'injection plastique sous-pression en une seule pièce.The access opening makes it possible to easily introduce or remove a subassembly of the vacuum cleaner which would be of the removable type such as for example a removable filter. The access opening also makes it possible to be able to unmold more easily and therefore to manufacture the suction unit casing more easily, in particular when the latter is obtained by plastic injection under pressure in a single piece.

Avantageusement, l'espace interne formé entre la première paroi et la deuxième paroi forme une chambre ou une conduite située sur le circuit aéraulique. La chambre ou la conduite est traversée par un flux d'air généré par l'unité d'aspiration lorsque l'aspirateur portatif est en fonctionnement. Lorsque l'espace interne forme une conduite cette dernière est typiquement une conduite aéraulique permettant de convoyer l'air dans l'aspirateur portatif. Lorsque l'espace interne forme une chambre celle-ci peut servir à loger un sous-ensemble fonctionnel de l'aspirateur portatif tel que par exemple un filtre, un atténuateur ou absorbeur de bruit faisant partie du circuit aéraulique. L'espace interne tel que défini peut donc réaliser ou recevoir des fonctions essentielles à l'aspirateur portatif.Advantageously, the internal space formed between the first wall and the second wall forms a chamber or a pipe located on the aeraulic circuit. The chamber or duct is traversed by a flow of air generated by the suction unit when the portable vacuum cleaner is in operation. When the space internal form a pipe the latter is typically a ventilation pipe for conveying air in the portable vacuum cleaner. When the internal space forms a chamber, the latter can be used to house a functional sub-assembly of the portable vacuum cleaner such as, for example, a filter, an attenuator or a noise absorber forming part of the aeraulic circuit. The internal space as defined can therefore carry out or receive functions essential to the portable vacuum cleaner.

Avantageusement, l'espace interne qui s'étend entre la première paroi et la deuxième paroi forme une chambre de filtration dans laquelle est placé un filtre, de préférence un filtre amovible, la chambre de filtration et le filtre étant disposés sur le circuit aéraulique et étant traversés par un flux d'air généré par l'unité d'aspiration lorsque l'aspirateur portatif est en fonctionnement. La chambre de filtration et le filtre sont disposés sur le circuit aéraulique en aval de l'unité d'aspiration.Advantageously, the internal space which extends between the first wall and the second wall forms a filtration chamber in which is placed a filter, preferably a removable filter, the filtration chamber and the filter being arranged on the aeraulic circuit and being crossed by a flow of air generated by the suction unit when the portable vacuum cleaner is in operation. The filtration chamber and the filter are arranged on the aeraulic circuit downstream of the suction unit.

Bien que l'espace interne soit également adapté à recevoir un filtre qui appartient à une partie amont du circuit aéraulique, c'est-à-dire en amont de l'unité d'aspiration, le fait que l'espace interne soit formé à côté ou autour de l'unité d'aspiration permet d'optimiser davantage le circuit aéraulique en terme de pertes de charges et d'encombrement global lorsque cet espace interne est utilisé pour une chambre de filtration et un filtre amovible qui appartiennent à la partie avale du circuit aéraulique, c'est-à-dire la partie du circuit aéraulique qui se trouve en aval de l'unité d'aspiration.Although the internal space is also adapted to receive a filter which belongs to an upstream part of the aeraulic circuit, that is to say upstream of the suction unit, the fact that the internal space is formed at side or around the suction unit makes it possible to further optimize the aeraulic circuit in terms of pressure drops and overall size when this internal space is used for a filtration chamber and a removable filter which belong to the downstream part of the aeraulic circuit, i.e. the part of the aeraulic circuit which is located downstream of the suction unit.

Avantageusement, la chambre de filtration est délimitée au moins partiellement par la première paroi, la deuxième paroi et la paroi de liaison. L'ouverture d'accès permet la mise en place ou le retrait du filtre.Advantageously, the filtration chamber is delimited at least partially by the first wall, the second wall and the connecting wall. The access opening allows installation or removal of the filter.

Avantageusement, la chambre de filtration et le filtre ont une forme annulaire qui s'étend autour de l'unité d'aspiration.Advantageously, the filtration chamber and the filter have an annular shape which extends around the suction unit.

Avantageusement, la chambre de filtration comprend au moins une entrée d'air formée dans la paroi de liaison. L'entrée d'air de la chambre de filtration est en communication aéraulique avec une sortie d'air de l'unité d'aspiration, et la chambre de filtration comprend au moins une sortie d'air qui est formée dans la deuxième paroi.Advantageously, the filtration chamber comprises at least one air inlet formed in the connecting wall. The air inlet of the filtration chamber is in aeraulic communication with an air outlet of the suction unit, and the filtration chamber comprises at least one air outlet which is formed in the second wall.

Avantageusement, la première paroi est dépourvue d'ouverture.Advantageously, the first wall has no opening.

Avantageusement, au moins une portion de la deuxième paroi forme au moins une paroi du boîtier d'aspirateur.Advantageously, at least a portion of the second wall forms at least one wall of the vacuum cleaner housing.

Cette configuration permet de délimiter l'espace interne entre des parois qui préexistent dans un aspirateur conventionnel. L'espace interne peut donc être formé avec moins de parois que dans un aspirateur conventionnel ce qui permet d'alléger encore davantage l'aspirateur portatif et de le rendre plus compact. Cette configuration permet aussi de maximiser l'espace interne entre le carter de protection de l'unité d'aspiration et le boitier d'aspirateur. Par ailleurs, la première paroi et la deuxième paroi faisant partie d'une même pièce monobloc, le fait de former l'espace interne entre le carter de protection de l'unité d'aspiration et le boitier d'aspirateur n'altère pas la robustesse de l'aspirateur portatif à cet endroit.This configuration makes it possible to delimit the internal space between the walls which already exist in a conventional vacuum cleaner. The internal space can therefore be formed with fewer walls than in a conventional vacuum cleaner, which makes it possible to further lighten the portable vacuum cleaner and to make it more compact. This configuration also makes it possible to maximize the internal space between the protective casing of the suction unit and the vacuum cleaner housing. Furthermore, the first wall and the second wall forming part of the same one-piece piece, the fact of forming the internal space between the protective casing of the suction unit and the vacuum cleaner housing does not alter the sturdiness of the portable vacuum cleaner at this location.

Lorsque la deuxième paroi forme une paroi du boîtier d'aspirateur, ladite au moins une sortie d'air est l'orifice d'échappement. Cette configuration permet de limiter le nombre de conduits dans l'aspirateur portatif et de simplifier ce dernier.When the second wall forms a wall of the vacuum cleaner housing, said at least one air outlet is the exhaust port. This configuration makes it possible to limit the number of ducts in the portable vacuum cleaner and to simplify the latter.

Avantageusement, la deuxième paroi du carter d'unité d'aspiration est, selon une direction parallèle à l'axe de rotation du moteur, disposée entre le bol amovible et une partie arrière du boîtier d'aspirateur.Advantageously, the second wall of the suction unit housing is, in a direction parallel to the axis of rotation of the motor, arranged between the removable bowl and a rear part of the vacuum cleaner housing.

Avantageusement, l'ouverture d'accès qui donne accès à l'espace interne fait face au bol amovible.Advantageously, the access opening which gives access to the internal space faces the removable bowl.

Selon cette configuration de l'invention, un sous-ensemble fonctionnel de l'aspirateur, tel qu'un filtre amovible, peut être facilement retiré de l'espace interne par l'ouverture d'accès lorsque le bol amovible est détaché du boitier d'aspirateur. Lorsque le bol amovible est attaché au boîtier d'aspirateur, le filtre amovible est rendu inaccessible et ne peut pas être retiré de l'espace interne via l'ouverture d'accès.According to this configuration of the invention, a functional subassembly of the vacuum cleaner, such as a removable filter, can be easily removed from the internal space through the access opening when the removable bowl is detached from the housing. 'vacuum. When the removable bowl is attached to the vacuum cleaner housing, the removable filter is made inaccessible and cannot be removed from the internal space via the access opening.

Avantageusement, le dispositif de séparation est logé dans le bol amovible de telle sorte qu'il puisse être séparé du boîtier d'aspirateur avec le bol amovible.Advantageously, the separation device is housed in the removable bowl so that it can be separated from the vacuum cleaner housing with the removable bowl.

Cette construction permet de retirer le dispositif de séparation avec le bol amovible pour pouvoir ensuite retirer et nettoyer plus facilement le dispositif de séparation.This construction makes it possible to remove the separating device with the removable bowl so that the separating device can then be removed and cleaned more easily.

Avantageusement, le bol amovible est attaché de manière amovible au boitier d'aspirateur et rentre en contact avec le boîter d'aspirateur via une surface de contact formée sur le boitier d'aspirateur.Advantageously, the removable bowl is removably attached to the vacuum cleaner housing and comes into contact with the vacuum cleaner housing via a contact surface formed on the vacuum cleaner housing.

Avantageusement, la surface de contact est sensiblement annulaire, l'espace interne et l'ouverture d'accès sont formés radialement à l'intérieur de la surface de contact sensiblement annulaire.Advantageously, the contact surface is substantially annular, the internal space and the access opening are formed radially inside the substantially annular contact surface.

Avantageusement la surface de contact est formée par une extrémité axiale sensiblement annulaire de la deuxième paroi du carter d'unité d'aspiration.Advantageously, the contact surface is formed by a substantially annular axial end of the second wall of the suction unit casing.

La surface de contact sensiblement annulaire est simple à réaliser sur la deuxième paroi du carter d'unité d'aspiration et permet d'avoir un contact uniformément réparti du bol amovible sur le boîtier d'aspirateur lorsque le bol est attaché au boîtier d'aspiration. Un contact uniformément réparti du bol amovible sur le boîtier d'aspirateur permet notamment de réaliser plus facilement les étanchéités au niveau de cette zone de contact.The substantially annular contact surface is simple to make on the second wall of the vacuum unit housing and allows evenly distributed contact of the removable bowl to the vacuum cleaner housing when the bowl is attached to the vacuum housing . A uniformly distributed contact of the removable bowl on the vacuum cleaner housing makes it possible in particular to more easily produce the seals at the level of this contact zone.

Le bol amovible peut être attaché de différentes manières au boîtier d'aspirateur, notamment par clipsage, à l'aide d'au moins une encoche et d'un loquet de verrouillage, par un moyen de fixation de type baïonnette, par vissage ou tout autre moyens connus de l'homme du métier.The removable bowl can be attached in various ways to the vacuum cleaner housing, in particular by clipping, using at least one notch and a locking latch, by a bayonet-type fixing means, by screwing or any other means known to those skilled in the art.

Avantageusement, le dispositif de séparation est un séparateur cyclonique ayant un axe principal qui est coaxial avec l'axe de rotation de l'arbre de sortie du moteur électrique.Advantageously, the separation device is a cyclonic separator having a main axis which is coaxial with the axis of rotation of the output shaft of the electric motor.

Brève description des figuresBrief description of figures

La description suivante met en évidence les caractéristiques et avantages de la présente invention. Cette description s'appuie sur des figures, parmi lesquelles :

  • [Fig. 1] La figure 1 illustre une vue d'ensemble d'un aspirateur portatif selon un mode particulier de réalisation ;
  • [Fig. 2] La figure 2 illustre l'aspirateur portatif de la figure 1 selon une vue en coupe longitudinale ;
  • [Fig. 3] La figure 3 illustre l'aspirateur portatif de la figure 1 selon une vue en perspective, de trois quarts avant, sans le bol amovible et sans le séparateur ;
  • [Fig. 4] La figure 4 illustre une vue en coupe partielle de l'arrière de l'aspirateur portatif de la figure 3 ;
  • [Fig. 5] La figure 5 illustre l'aspirateur portatif de la figure 1 selon une vue en perspective de trois quarts avant sans le bol amovible et sans le séparateur, avec le filtre amovible partiellement retiré de la chambre de filtration ;
  • [Fig. 6] La figure 6 illustre une vue en coupe partielle de l'arrière de l'aspirateur portatif de la figure 5 ;
  • [Fig. 7] La figure 7 illustre l'aspirateur portatif de la figure 1 selon une vue en perspective de trois quarts avant sans le bol amovible et sans le séparateur, avec le filtre amovible complètement retiré de la chambre de filtration ;
  • [Fig. 8] La figure 8 illustre une vue en coupe partielle de l'arrière de l'aspirateur portatif de la figure 7 ;
  • [Fig. 9] La figure 9 illustre le carter d'unité d'aspiration de l'aspirateur portatif de la figure 1 selon une vue en perspective de trois quarts avant ;
  • [Fig. 10] La figure 10 illustre le carter d'unité d'aspiration de la figure 1 en coupe longitudinale.
The following description highlights the features and advantages of the present invention. This description is based on figures, including:
  • [ Fig. 1 ] There figure 1 illustrates an overview of a portable vacuum cleaner according to a particular embodiment;
  • [ Fig. 2 ] There figure 2 illustrates the portable vacuum cleaner of the figure 1 in a longitudinal section view;
  • [ Fig. 3 ] There picture 3 illustrates the portable vacuum cleaner of the figure 1 according to a perspective view, from three quarters before, without the removable bowl and without the separator;
  • [ Fig. 4 ] There figure 4 illustrates a partial sectional view of the rear of the handheld vacuum cleaner from the picture 3 ;
  • [ Fig. 5 ] There figure 5 illustrates the portable vacuum cleaner of the figure 1 according to a three-quarter front perspective view without the removable bowl and without the separator, with the removable filter partially removed from the filtration chamber;
  • [ Fig. 6 ] There figure 6 illustrates a partial sectional view of the rear of the handheld vacuum cleaner from the figure 5 ;
  • [ Fig. 7 ] There figure 7 illustrates the portable vacuum cleaner of the figure 1 according to a three-quarter front perspective view without the removable bowl and without the separator, with the removable filter completely removed from the filtration chamber;
  • [ Fig. 8 ] There figure 8 illustrates a partial sectional view of the rear of the handheld vacuum cleaner from the figure 7 ;
  • [ Fig. 9 ] There figure 9 illustrates the suction unit housing of the portable vacuum cleaner of the figure 1 according to a three-quarter front perspective view;
  • [ Fig. 10 ] There figure 10 illustrates the suction unit housing of the figure 1 in longitudinal section.

Description détailléedetailed description

Dans la suite de la description, l'aspirateur portatif est dénommé aspirateur.In the remainder of the description, the portable vacuum cleaner is referred to as a vacuum cleaner.

Les figures 1 à 10 représentent un aspirateur 1 comportant un boitier d'aspirateur 2, une poignée de préhension 3 reliée au boitier d'aspirateur 2, une entrée d'aspiration d'air 4 par laquelle l'air peut être aspiré par l'aspirateur 1, plusieurs orifices d'échappement d'air 5 par lesquels l'air nettoyé peut sortir de l'aspirateur 1. L'aspirateur 1 comprend en outre un circuit aéraulique 6 qui s'étend entre l'entrée d'aspiration 4 et les orifices d'échappement 5. L'aspirateur 1 comprend une unité d'aspiration 7 disposée sur le circuit aéraulique 6. L'unité d'aspiration 7 comprend un moteur électrique 7.1 et un ventilateur 7.2 (représentés aux figures 2 et 4) couplé au moteur électrique 71 pour générer un flux d'air dans le circuit aéraulique 6 depuis l'entrée d'aspiration 4 jusqu'aux l'orifices d'échappement 5. La poignée de préhension 3 peut être obtenue de fabrication en une seule pièce avec le boîtier d'aspirateur 2 ou être rapportée à celui-ci.THE figures 1 to 10 represent a vacuum cleaner 1 comprising a vacuum cleaner housing 2, a gripping handle 3 connected to the vacuum cleaner housing 2, an air suction inlet 4 through which air can be sucked in by the vacuum cleaner 1, several orifices air exhaust 5 through which the cleaned air can exit from the vacuum cleaner 1. The vacuum cleaner 1 further comprises an aeraulic circuit 6 which extends between the suction inlet 4 and the exhaust orifices 5. The vacuum cleaner 1 comprises a suction unit 7 disposed on the aeraulic circuit 6. The suction unit 7 comprises an electric motor 7.1 and a fan 7.2 (represented in figure 2 And 4 ) coupled to the electric motor 71 to generate a flow of air in the aeraulic circuit 6 from the suction inlet 4 to the exhaust ports 5. The grip handle 3 can be obtained by manufacturing in one part with the vacuum cleaner housing 2 or be attached thereto.

L'aspirateur 1 comprend également un dispositif de séparation des déchets 8 disposé sur le circuit aéraulique 6 en amont 6.1 de l'unité d'aspiration 7. Le dispositif de séparation des déchets 8 est traversé par un flux d'air généré par l'unité d'aspiration 7 lorsque l'aspirateur 1 est en fonctionnement. L'aspirateur comprend 1 un bol amovible 9, également connu sous le nom récipient de stockage de déchets, destiné à recevoir et accumuler les déchets séparés par le dispositif de séparation des déchets 8 et qui est attaché de manière amovible au boitier d'aspirateur 2. Le dispositif de séparation des déchets 8 est avantageusement disposé dans le bol amovible 9. Le bol amovible 9 forme dans ce cas une chambre de séparation. De préférence, le dispositif de séparation des déchets 8 est détachable du bol amovible 9 pour pouvoir plus facilement vider le contenu du bol amovible 9 lorsque celui-ci est détaché du boitier d'aspirateur 2. L'entrée d'aspiration d'air 4 est reliée à la chambre de séparation, correspondant à l'intérieur du bol amovible 9 par une conduite d'admission d'air 4.1 (représentée en figure 2).The vacuum cleaner 1 also comprises a waste separation device 8 disposed on the aeraulic circuit 6 upstream 6.1 of the suction unit 7. The waste separation device 8 is traversed by an air flow generated by the suction unit 7 when the vacuum cleaner 1 is in operation. The vacuum cleaner comprises 1 a removable bowl 9, also known as a waste storage container, intended to receive and accumulate the waste separated by the waste separation device 8 and which is removably attached to the vacuum cleaner housing 2 The waste separation device 8 is advantageously arranged in the removable bowl 9. The removable bowl 9 in this case forms a separation chamber. Preferably, the waste separation device 8 is detachable from the removable bowl 9 to be able to more easily empty the contents of the removable bowl 9 when the latter is detached from the vacuum cleaner housing 2. The air suction inlet 4 is connected to the separation chamber, corresponding to the interior of the removable bowl 9 by an air intake pipe 4.1 (shown in figure 2 ).

L'aspirateur 1 comprend de préférence un bloc batterie 10 en partie inférieure de l'aspirateur. Une surface inférieure 10.1 du bloc de batterie 10 permet de reposer l'aspirateur sur une surface horizontale lorsque l'aspirateur 1 n'est pas utilisé (voir figure 2). La poignée de préhension 3 s'étend entre le bloc batterie 10 et le boîtier d'aspirateur 2 avantageusement au niveau d'une partie arrière 13 de l'aspirateur.The vacuum cleaner 1 preferably comprises a battery pack 10 in the lower part of the vacuum cleaner. A lower surface 10.1 of the battery pack 10 allows the vacuum cleaner to rest on a horizontal surface when the vacuum cleaner 1 is not in use (see picture 2 ). The gripping handle 3 extends between the battery pack 10 and the vacuum cleaner housing 2 advantageously at the level of a rear part 13 of the vacuum cleaner.

L'aspirateur 1 comprend un bouton 11 de mise en fonctionnement de l'aspirateur commandant notamment la mise en fonctionnement de l'unité d'aspiration 7 lorsqu'il est actionné par l'utilisateur.The vacuum cleaner 1 comprises a button 11 for operating the vacuum cleaner controlling in particular the operation of the suction unit 7 when it is actuated by the user.

Le moteur électrique 7.1 comprend un arbre de sortie 7.3 (représenté aux figures 2, 4, 6 et 8) ayant un axe de rotation X. L'arbre de sortie 7.3 est couplé au ventilateur 7.2.The electric motor 7.1 includes an output shaft 7.3 (shown in figure 2 , 4 , 6 And 8 ) having an axis of rotation X. The output shaft 7.3 is coupled to the fan 7.2.

De façon avantageuse, et tel que représenté aux figures 1 à 10, le dispositif de séparation 8, le ventilateur 7.2 et le moteur électrique 7.1 sont alignés. Plus précisément le dispositif de séparation des déchets 8, le ventilateur 7.2 et le moteur électrique 7.1 sont alignés et centrés sur l'axe de rotation X du moteur électrique 7.1. L'axe de rotation X est dans cette configuration un axe principal de l'aspirateur 1.Advantageously, and as shown in figures 1 to 10 , the separation device 8, the fan 7.2 and the electric motor 7.1 are aligned. More precisely, the waste separation device 8, the fan 7.2 and the electric motor 7.1 are aligned and centered on the axis of rotation X of the electric motor 7.1. The axis of rotation X is in this configuration a main axis of the vacuum cleaner 1.

L'unité d'aspiration 7 appartient à la partie arrière 13 de l'aspirateur 1 et le dispositif de séparation des déchets 8 se situe devant l'unité d'aspiration 7. Les figures 4 et 6 représentent la partie arrière 13 de l'aspirateur 1. Dans le mode de réalisation représenté sur les figures, l'entrée d'aspiration 4 de l'aspirateur 1 forme une extrémité avant de l'aspirateur portatif 1. Cette entrée d'aspiration 4 est avantageusement en saillie vers l'avant par rapport au reste de l'aspirateur portatif 1, notamment par rapport au bol amovible 9.The suction unit 7 belongs to the rear part 13 of the vacuum cleaner 1 and the waste separation device 8 is located in front of the suction unit 7. The figure 4 And 6 represent the rear part 13 of the vacuum cleaner 1. In the embodiment shown in the figures, the suction inlet 4 of the vacuum cleaner 1 forms a front end of the portable vacuum cleaner 1. This suction inlet 4 advantageously projects forward relative to the rest of the portable vacuum cleaner 1, in particular relative to the removable bowl 9.

L'aspirateur 1 comprend en outre un carter d'unité d'aspiration 12 qui recouvre au moins partiellement l'unité d'aspiration 7. Plus précisément, le carter d'unité d'aspiration 12 comprend une première paroi 12.3 qui recouvre au moins partiellement l'unité d'aspiration 7.The vacuum cleaner 1 further comprises a suction unit casing 12 which at least partially covers the suction unit 7. More specifically, the suction unit casing 12 comprises a first wall 12.3 which covers at least partially the suction unit 7.

Le carter d'unité d'aspiration 12 est visible sur les figures 2 à 10 et plus spécifiquement aux figures 9 et 10. Le carter d'unité d'aspiration 12 sert notamment à positionner et maintenir l'unité d'aspiration 7 dans l'aspirateur 1 et également à protéger l'unité d'aspiration 1.The suction unit housing 12 is visible on the figures 2 to 10 and more specifically to figure 9 And 10 . The suction unit housing 12 serves in particular to position and hold the suction unit 7 in the vacuum cleaner 1 and also to protect the suction unit 1.

Comme représenté sur les figures, l'unité d'aspiration 7 peut comprendre un carter intermédiaire 7.4 qui, par rapport à l'axe de rotation X du moteur électrique 7.1, est arrangé radialement à l'intérieur du carter d'unité d'aspiration 12.As shown in the figures, the suction unit 7 may comprise an intermediate casing 7.4 which, with respect to the axis of rotation X of the electric motor 7.1, is arranged radially inside the suction unit casing 12.

Le carter d'unité d'aspiration 12 comporte une ouverture d'entrée d'air 12.1 et une ouverture de sortie d'air 12.2 qui sont en communication aéraulique avec l'unité d'aspiration 7 et qui sont arrangés de part et d'autre de l'unité d'aspiration 7 selon la direction de l'axe de rotation X. L'ouverture d'entrée d'air 12.1 communique avec une partie amont 6.1 du circuit aéraulique 6 et la sortie d'air 12.2 communique avec une partie avale du circuit aéraulique 6. Autrement dit, la partie amont 6.1 du circuit aéraulique 6 se trouve en amont de l'unité d'aspiration 7 et s'étend entre l'entrée d'aspiration 4 et l'unité d'aspiration 7. La partie avale 6.2 du circuit aéraulique 6 se trouve en aval de l'unité d'aspiration 7 et s'étend entre l'unité d'aspiration 7 et les orifices d'échappement 5.The suction unit casing 12 comprises an air inlet opening 12.1 and an air outlet opening 12.2 which are in aeraulic communication with the suction unit 7 and which are arranged on either side. another of the suction unit 7 in the direction of the axis of rotation X. The air inlet opening 12.1 communicates with an upstream part 6.1 of the aeraulic circuit 6 and the air outlet 12.2 communicates with a downstream part of the aeraulic circuit 6. In other words, the upstream part 6.1 of the aeraulic circuit 6 is located upstream of the suction unit 7 and extends between the suction inlet 4 and the suction unit 7 The downstream part 6.2 of the aeraulic circuit 6 is located downstream of the suction unit 7 and extends between the suction unit 7 and the exhaust orifices 5.

Le dispositif de séparation 8 est arrangé dans la partie amont 6.1 du circuit aéraulique 6.The separation device 8 is arranged in the upstream part 6.1 of the aeraulic circuit 6.

Dans le mode de réalisation des figures 1 à 10, le dispositif de séparation 8 est avantageusement un séparateur cyclonique ayant un axe principal qui est coaxial avec l'axe de rotation X de l'arbre de sortie du moteur électrique. Dans une variante de réalisation non représentée et sans sortir du cadre de l'invention, le dispositif de séparation pourrait être réalisé par un filtre comprenant un média filtrant poreux pour laisser passer l'air et empêcher les déchets de le traverser.In the embodiment of figures 1 to 10 , the separation device 8 is advantageously a cyclonic separator having a main axis which is coaxial with the axis of rotation X of the output shaft of the electric motor. In a variant embodiment not shown and without departing from the scope of the invention, the separation device could be produced by a filter comprising a porous filter medium to allow air to pass and prevent waste from passing through it.

Pour limiter l'aspiration de poussières dans l'unité d'aspiration 7, l'aspirateur peut comprendre, en plus du dispositif de séparation des déchets 8, un filtre amont 13 qui dans le circuit aéraulique est disposé entre le dispositif de séparation des déchets 8 et l'unité d'aspiration 7. Ce filtre amont 13 est de préférence du type amovible, il est de forme tronconique et est logé dans une partie centrale du séparateur cyclonique.To limit the suction of dust into the suction unit 7, the vacuum cleaner may comprise, in addition to the waste separation device 8, an upstream filter 13 which in the aeraulic circuit is arranged between the waste separation device 8 and the suction unit 7. This upstream filter 13 is preferably of the removable type, it is of frustoconical shape and is housed in a central part of the cyclonic separator.

Pour limiter ou éviter que des poussières ne sortent des orifices d'échappement 5, l'aspirateur 1 comprend de préférence, en plus du dispositif de séparation des déchets 8, un filtre aval 14 qui est disposé dans la partie avale 6.2 du circuit aéraulique 6.To limit or prevent dust from coming out of the exhaust orifices 5, the vacuum cleaner 1 preferably comprises, in addition to the waste separation device 8, a downstream filter 14 which is arranged in the downstream part 6.2 of the aeraulic circuit 6 .

Comme montré plus particulièrement sur les figures 4, 6, 8, 9 et 10, le carter d'unité d'aspiration 12 comprend une deuxième paroi 12.4 qui recouvre au moins partiellement la première paroi 12.3. La deuxième paroi 12.4 est formée à distance de la première paroi pour délimiter 12.3, au moins en partie, un espace interne 15 de l'aspirateur portatif 1 qui s'étend entre la première paroi 12.3 et la deuxième paroi 12.4.As shown more particularly on the figure 4 , 6 , 8 , 9 And 10 , the suction unit housing 12 comprises a second wall 12.4 which covers at least partially the first wall 12.3. The second wall 12.4 is formed at a distance from the first wall to delimit 12.3, at least in part, an internal space 15 of the portable vacuum cleaner 1 which extends between the first wall 12.3 and the second wall 12.4.

La première paroi 12.3 et la deuxième paroi 12.4 sont avantageusement de formes annulaires coaxiales à l'axe de rotation X de l'arbre de sortie 7.3 du moteur électrique 7.1. La première paroi 12.3 et la deuxième paroi 12.4 délimitent, au moins en partie, l'espace interne 15 qui de forme annulaire s'étend autour de l'unité d'aspiration 7. Dans l'exemple de réalisation des figures, la première paroi 12.3 et la deuxième paroi 12.4 sont plus spécifiquement de formes tubulaires. Dans une variante de réalisation non représentée la première paroi et deuxième paroi pourraient tout aussi bien être de formes sensiblement tronconiques.The first wall 12.3 and the second wall 12.4 are advantageously of annular shapes coaxial with the axis of rotation X of the output shaft 7.3 of the electric motor 7.1. The first wall 12.3 and the second wall 12.4 delimit, at least in part, the internal space 15 which of annular shape extends around the suction unit 7. In the embodiment of the figures, the first wall 12.3 and the second wall 12.4 are more specifically of tubular shapes. In a variant embodiment not shown, the first wall and second wall could just as well be of substantially frustoconical shapes.

Dans une autre variante de réalisation non représentée, la première paroi et la deuxième paroi sont de formes partiellement annulaires autour de l'axe de rotation du moteur électrique de telle sorte que la première paroi et la deuxième paroi délimitent un espace interne de forme partiellement annulaire autour de l'unité d'aspiration. Selon cette variante, l'espace interne pourrait avoir, par exemple, la forme d'un tronçon d'anneau ou une section dont la forme serait en « C » (anneau non fermé).In another variant embodiment not shown, the first wall and the second wall are of partially annular shape around the axis of rotation of the electric motor such that the first wall and the second wall delimit an internal space of partially annular shape. around the suction unit. According to this variant, the internal space could have, for example, the shape of a section of a ring or a section whose shape would be “C” (unclosed ring).

Selon le mode de réalisation représenté sur les figures, la première paroi 12.3 et la deuxième paroi 12.4 sont reliés par une paroi de liaison 12.5. Comme représentés aux figures 9 et 10, la première paroi 12.3, la deuxième paroi 12.4 et la paroi de liaison 12.5 sont avantageusement réalisés en une seule pièce, de préférence en une seule pièce obtenue par injection plastique. Avantageusement, la paroi de liaison 12.5 s'étend radialement, par rapport à l'axe de rotation X du moteur électrique 7.1 et la paroi de liaison 12.5 s'étend entre la première paroi 12.3 et la deuxième paroi 12.4. Comme représenté aux figures 9 et 10 la paroi de liaison 12.5 a une forme de disque annulaire. Dans une variante telle que précédemment décrite où la première paroi et la deuxième paroi sont de formes partiellement annulaires autour de l'axe de rotation du moteur électrique, la paroi de liaison n'a pas forcément une forme annulaire, elle pourrait par exemple avoir la forme d'un tronçon de disque ou une forme sensiblement rectangulaire ou trapézoïdale ou une forme en « C ».According to the embodiment shown in the figures, the first wall 12.3 and the second wall 12.4 are connected by a connecting wall 12.5. As depicted at figure 9 And 10 , the first wall 12.3, the second wall 12.4 and the connecting wall 12.5 are advantageously made in one piece, preferably in one piece obtained by plastic injection. Advantageously, the connecting wall 12.5 extends radially relative to the axis of rotation X of the electric motor 7.1 and the connecting wall 12.5 extends between the first wall 12.3 and the second wall 12.4. As depicted in figure 9 And 10 the connecting wall 12.5 has the shape of an annular disc. In a variant as previously described where the first wall and the second wall are of partially annular shape around the axis of rotation of the electric motor, the connecting wall does not necessarily have a shape annular, it could for example have the shape of a disc section or a substantially rectangular or trapezoidal shape or a "C" shape.

Dans une autre variante de réalisation (non représentée) la première paroi et la deuxième paroi pourraient être reliés par des bras de liaisons s'étendant radialement entre la première paroi et la deuxième paroi. Selon cette variante, la première paroi 12.3, la deuxième paroi 12.4 et les bras de liaisons seraient avantageusement réalisés en une seule pièce, de préférence en une seule pièce obtenue par injection plastiqueIn another variant embodiment (not shown) the first wall and the second wall could be connected by connecting arms extending radially between the first wall and the second wall. According to this variant, the first wall 12.3, the second wall 12.4 and the connecting arms would advantageously be made in one piece, preferably in one piece obtained by plastic injection

Selon le mode de réalisation représenté sur les figures, le carter d'unité d'aspiration 12 comprend une ouverture d'accès 12.6 pour accéder à l'espace interne 15.La paroi de liaison 12.5 est formée sur un côté du carter d'unité d'aspiration 12 qui est opposé à l'ouverture d'accès 12.6. Ainsi l'espace interne 15 est défini par des parois 12.3, 12.4 et 12.5 du carter d'unité d'aspiration 12 qui sur une demi-section, par exemple une demi-section de la figure 10, forment sensiblement un «U». Cette forme en U est représentée en pointillés sur la figure 10 et porte la référence 15.1. L'ouverture d'accès 12.6 fait face au bol amovible 9.According to the embodiment shown in the figures, the suction unit casing 12 comprises an access opening 12.6 for accessing the internal space 15. The connecting wall 12.5 is formed on one side of the unit casing suction 12 which is opposed to the access opening 12.6. Thus the internal space 15 is defined by walls 12.3, 12.4 and 12.5 of the suction unit casing 12 which over a half-section, for example a half-section of the figure 10 , substantially form a “U”. This U-shape is shown in dotted lines on the figure 10 and bears the reference 15.1. The access opening 12.6 faces the removable bowl 9.

Selon le mode de réalisation représenté sur les figures, l'espace interne 15 forme une chambre de filtration dans laquelle est placé un filtre. La chambre de filtration et le filtre sont disposés sur le circuit aéraulique 6 et sont traversés par un flux d'air généré par l'unité d'aspiration 7 lorsque l'aspirateur 1 est en fonctionnement.According to the embodiment shown in the figures, the internal space 15 forms a filtration chamber in which a filter is placed. The filtration chamber and the filter are arranged on the aeraulic circuit 6 and are traversed by a flow of air generated by the suction unit 7 when the vacuum cleaner 1 is in operation.

Dans le mode de réalisation représenté aux figures, la chambre de filtration 15 est disposée sur la partie avale 6.2 du circuit aéraulique 6 et le filtre est un filtre aval 14 tel que précédemment décrit.In the embodiment shown in the figures, the filtration chamber 15 is arranged on the downstream part 6.2 of the aeraulic circuit 6 and the filter is a downstream filter 14 as previously described.

Dans le mode de réalisation représenté aux figures, la chambre de filtration 15 et le filtre aval 14 ont une forme annulaire qui s'étend autour de l'unité d'aspiration 7.In the embodiment shown in the figures, the filtration chamber 15 and the downstream filter 14 have an annular shape which extends around the suction unit 7.

Le filtre aval 14 est de préférence amovible et l'ouverture d'accès 12.6 permet de mettre en place le filtre 14 dans la chambre de filtration ou de retirer le filtre 14 lorsque le bol amovible 9 est détaché du boitier d'aspirateur 2.The downstream filter 14 is preferably removable and the access opening 12.6 makes it possible to place the filter 14 in the filtration chamber or to remove the filter 14 when the removable bowl 9 is detached from the vacuum cleaner housing 2.

Le figures 1 et 2 montrent l'aspirateur 1 en état de fonctionnement, c'est-à-dire avec le filtre amovible 14 en place dans la chambre de filtration et le bol amovible 9 attaché au boitier d'aspirateur 2. Les figures 3 à 8 montrent quant à elles 3 étapes de démontages successifs du filtre aval 14 jusqu'aux retrait complet du filtre aval 14.THE figure 1 And 2 show the vacuum cleaner 1 in working order, that is to say with the removable filter 14 in place in the filtration chamber and the removable bowl 9 attached to the vacuum cleaner housing 2. The figures 3 to 8 show 3 stages of successive dismantling of the downstream filter 14 until the complete removal of the downstream filter 14.

En effet, les figures 3 et 4 montrent l'aspirateur 1 dans une première étape de démontage où le bol amovible 9 est détaché et où le filtre aval 14 est toujours en place dans la chambre de filtration. Les figures 5 et 6 montrent l'aspirateur, dans une deuxième étape de démontage où le filtre aval 14 est partiellement retiré de la chambre de filtration suite à un mouvement de translation du filtre amovible selon l'axe principal X. Les figures 7 et 8 montrent l'aspirateur, dans une troisième étape de démontage où le filtre aval 14 est totalement retiré de la chambre de filtration.Indeed, the figure 3 And 4 show the vacuum cleaner 1 in a first stage of dismantling where the removable bowl 9 is detached and where the downstream filter 14 is still in place in the filtration chamber. THE figure 5 And 6 show the vacuum cleaner, in a second dismantling step where the downstream filter 14 is partially removed from the filtration chamber following a translational movement of the removable filter along the main axis X. The figure 7 And 8 show the vacuum cleaner, in a third dismantling step where the downstream filter 14 is completely removed from the filtration chamber.

Dans des variantes de réalisation non représentées, l'espace interne pourrait recevoir, à la place d'un filtre aval un filtre amont (appartenant à la partie amont 6.1 du circuit aéraulique 6) ou un autre sous-ensemble fonctionnel de l'aspirateur portatif tel que par exemple un atténuateur ou absorbeur de bruit, une carte électronique de contrôle ou de commande de l'aspirateur portatif, etc. L'espace interne pourrait aussi être utilisé pour définir une conduite d'air.In variant embodiments not shown, the internal space could receive, instead of a downstream filter, an upstream filter (belonging to the upstream part 6.1 of the aeraulic circuit 6) or another functional subassembly of the portable vacuum cleaner such as, for example, a noise attenuator or absorber, an electronic control or command card for the portable vacuum cleaner, etc. The internal space could also be used to define an air duct.

La chambre de filtration formée par l'espace interne 15 comprend au moins une entrée d'air 12.7 formée sur la paroi de liaison 12.5. Comme représenté en figure 9, plusieurs entrées d'air 12.7 sont avantageusement formées sur la paroi de liaison 12.5. Les entrées d'air 12.7 sont en communication aéraulique avec la sortie d'air 12.2 et avec l'unité d'aspiration 7. La chambre de filtration comprend au moins une sortie d'air qui est formée sur la deuxième paroi 12.4. Avantageusement, la chambre de filtration comprend plusieurs sorties d'air formées sur la deuxième paroi 12.4.The filtration chamber formed by the internal space 15 comprises at least one air inlet 12.7 formed on the connecting wall 12.5. As depicted in figure 9 , several air inlets 12.7 are advantageously formed on the connecting wall 12.5. The air inlets 12.7 are in aeraulic communication with the air outlet 12.2 and with the suction unit 7. The filtration chamber comprises at least one air outlet which is formed on the second wall 12.4. Advantageously, the filtration chamber comprises several air outlets formed on the second wall 12.4.

La première paroi 12.3 est avantageusement dépourvue d'ouverture.The first wall 12.3 advantageously has no opening.

Dans le mode réalisation représentés sur les figures, deux portions de la deuxième paroi 12.4 forment deux parois 2.1 et 2.2 du boîtier d'aspirateur 2 et les sorties d'air réalisées dans la deuxième paroi 12.6 forment les orifices d'échappement 5 qui sont, dans le présent mode de réalisation formés sur les parois 2.1 et 2.2. Les parois 2.1 et 2.2 sont disposées de manière symétrique d'un côté et de l'autre de l'aspirateur 1.In the embodiment shown in the figures, two portions of the second wall 12.4 form two walls 2.1 and 2.2 of the vacuum cleaner housing 2 and the air outlets made in the second wall 12.6 form the orifices exhaust 5 which are, in this embodiment formed on the walls 2.1 and 2.2. The walls 2.1 and 2.2 are arranged symmetrically on one side and the other of the vacuum cleaner 1.

La deuxième paroi 12.4 qui forme des parois 2.1 et 2.2 du boîtier d'aspirateur 2 est, selon une direction parallèle à l'axe de rotation A du moteur électrique 7.1, disposée entre le bol amovible 9 et une partie arrière 2.3 du boîtier d'aspirateur 2.The second wall 12.4 which forms walls 2.1 and 2.2 of the vacuum cleaner housing 2 is, in a direction parallel to the axis of rotation A of the electric motor 7.1, arranged between the removable bowl 9 and a rear part 2.3 of the housing of vacuum cleaner 2.

Dans le mode réalisation représenté sur les figures, le bol amovible 9 est attaché de manière amovible au boitier d'aspirateur 2 via une surface de contact 12.8 formée par une extrémité axiale sensiblement annulaire de la deuxième paroi 12.4 du carter d'unité d'aspiration 12.In the embodiment shown in the figures, the removable bowl 9 is removably attached to the vacuum cleaner housing 2 via a contact surface 12.8 formed by a substantially annular axial end of the second wall 12.4 of the suction unit housing 12.

Le bol amovible 9 est attaché de manière réversible au boîtier d'aspirateur 2. Le bol amovible 9 peut être attaché de différentes manières au boîtier d'aspirateur 2, notamment par clipsage, par un moyen de fixation de type baïonnette, par vissage ou comme représenté par exemple sur la figure 1 à l'aide d'au moins une encoche 19 et d'un loquet de verrouillage 20,The removable bowl 9 is attached in a reversible manner to the vacuum cleaner housing 2. The removable bowl 9 can be attached in various ways to the vacuum cleaner housing 2, in particular by clipping, by a bayonet-type fastening means, by screwing or as represented for example on the figure 1 using at least one notch 19 and a locking latch 20,

Bien entendu, la présente invention n'est nullement limitée au mode de réalisation décrit et illustré qui n'a été donné qu'à titre d'exemple. Des modifications restent possibles, notamment du point de vue de la constitution des divers éléments ou par substitution d'équivalents techniques, sans sortir pour autant du domaine de protection de l'invention.Of course, the present invention is in no way limited to the embodiment described and illustrated which has been given only by way of example. Modifications remain possible, in particular from the point of view of the constitution of the various elements or by substitution of technical equivalents, without thereby departing from the scope of protection of the invention.

Claims (16)

  1. Portable vacuum cleaner (1) comprising
    a vacuum cleaner casing (2),
    a handle (3) connected to the vacuum cleaner casing (2),
    a suction inlet (4) through which air can be suctioned by the portable vacuum cleaner (1),
    at least one exhaust orifice (5) through which clean air can exit from the portable vacuum cleaner (1),
    an aeraulic circuit (6) which extends between the suction inlet (4) and the exhaust orifice (5), a suction unit (7) disposed on the aeraulic circuit, the suction unit (7) comprising an electric motor (7.1) and a ventilator (7.2) coupled to the electric motor (7.1) to generate an airflow in the aeraulic circuit (6) from the suction inlet (4) to the exhaust orifice (5),
    a waste separation device (8) disposed on the aeraulic circuit (6) upstream from the suction unit (7) and which is passed through by an airflow generated by the suction unit (7) when the portable vacuum cleaner (1) is in operation, a removable bowl (9) intended to receive waste separated by the waste separation device (8) and which is removably attached to the vacuum cleaner casing,
    a suction unit casing (12) comprising a first wall (12.3) which covers, at least partially, the suction unit (7), wherein
    the suction unit casing (12) comprises a second wall (12.4) which covers, at least partially, the first wall (12.3), and
    in that the second wall (12.4) is formed at a distance from the first wall (12.3) to delimit, at least partially, an internal space (15) of the portable vacuum cleaner (1) which extends between the first wall (12.3) and the second wall (12.4),
    characterised in that
    the electric motor (7.1) comprises an outlet shaft (7.3) having an axis of rotation (X), the outlet shaft (7.3) being coupled to the ventilator (7.2), and wherein the first wall (12.3) and the second wall (12.4) are of partially annular shapes about the axis of rotation (X), the first wall (12.3) and the second wall (12.4) delimiting an internal space (15) of partially annular shape around the suction unit (7).
  2. Portable vacuum cleaner (1) according to claim 1, wherein the first wall (12.3) and the second wall (12.4) are obtained from manufacturing in one single part.
  3. Portable vacuum cleaner (1) according to claim 1 or 2, wherein the electric motor (7.1) comprises an outlet shaft (7.3) having an axis of rotation (X), the outlet shaft (7.3) being coupled to the ventilator (7.2), wherein the first wall (12.3) and the second wall (12.4) are of annular shapes, for example tubular or truncated, substantially coaxial to the axis of rotation (X), and wherein the first wall (12.3) and the second wall (12.4) delimit, at least partially, an internal space (15) of annular shape which extends around the suction unit (7).
  4. Portable vacuum cleaner (1) according to any one of claims 1 to 3, the first wall (12.3) and the second wall (12.4) are connected by at least one connecting wall (12.5), the first wall (12.3), the second wall (12.4) and the connecting wall (12.5) are made of one single part, preferably of one single part obtained by plastic injection.
  5. Portable vacuum cleaner (1) according to claim 4, wherein the connecting wall (12.5) extends radially, with respect to the axis of rotation of the electric motor, between the first wall (12.3) and the second wall (12.4).
  6. Portable vacuum cleaner (1) according to claim 4, wherein the connecting wall (12.5) has an annular disc shape.
  7. Portable vacuum cleaner (1) according to any one of claims 1 to 3, wherein the first wall (12.3) and the second wall (12.4) are connected by connecting arms, the first wall (12.3), the second wall (12.4) and the connecting arms are made of one single part, preferably of one single part obtained by plastic injection.
  8. Portable vacuum cleaner (1) according to any one of claims 1 to 7, wherein the suction unit casing (12) comprises an access opening (12.6) to access the internal space (15), the connecting wall (12.5) being preferably formed on one side of the suction unit casing (12) which is opposite the access opening (12.6).
  9. Portable vacuum cleaner (1) according to any one of claims 1 to 8, wherein the internal space (15) forms a chamber or a conduit located on the aeraulic circuit (6) and which is passed through by an airflow generated by the suction unit (7) when the portable vacuum cleaner (1) is in operation.
  10. Portable vacuum cleaner (1) according to any one of claims 1 to 9, wherein the internal space (15) forms a filtration chamber, wherein a filter (14) is placed, the filtration chamber and the filter (14) being disposed on the aeraulic circuit (6) and being passed through by an airflow generated by the suction unit (7) when the portable vacuum cleaner (1) is in operation.
  11. Portable vacuum cleaner (1) according to the preceding claim, wherein the filtration chamber and the filter (14) are disposed on the aeraulic circuit (6) downstream from the suction unit (7).
  12. Portable vacuum cleaner (1) according to claims 4, 8 and one of claims 10 or 11, wherein the filtration chamber is delimited at least partially by the first wall (12.3), the second wall (12.4) and the connecting wall (12.5), the access opening (12.6) enabling the implementation or the removal of the filter (14).
  13. Portable vacuum cleaner (1) according to any one of claims 10 to 12, wherein the filtration chamber and the filter (14) have an annular shape which extends around the suction unit (7).
  14. Portable vacuum cleaner (1) according to claim 12, wherein the filtration chamber comprises at least one air inlet (12.7) formed in the connecting wall, the air inlet of the filtration chamber being in aeraulic communication with an air outlet of the suction unit (7), and the filtration chamber comprises at least one air outlet which is formed on the second wall (12.4).
  15. Portable vacuum cleaner (1) according to any one of claims 1 to 14, wherein at least one portion of the second wall (12.4) forms at least one wall (2.1, 2.2) of the vacuum cleaner casing (2).
  16. Portable vacuum cleaner (1) according to claims 14 and 15, wherein said at least one air outlet of the filtration chamber is said at least one exhaust orifice (5).
EP21189260.9A 2020-08-11 2021-08-03 Portable vacuum cleaner provided with a removable filter Active EP3954261B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2008437A FR3113365B1 (en) 2020-08-11 2020-08-11 Portable vacuum cleaner equipped with a removable filter

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EP3954261A1 EP3954261A1 (en) 2022-02-16
EP3954261B1 true EP3954261B1 (en) 2023-06-07
EP3954261C0 EP3954261C0 (en) 2023-06-07

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EP21189260.9A Active EP3954261B1 (en) 2020-08-11 2021-08-03 Portable vacuum cleaner provided with a removable filter

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US (1) US20230371764A1 (en)
EP (1) EP3954261B1 (en)
JP (1) JP2023537118A (en)
KR (1) KR20230048629A (en)
CN (1) CN116209380A (en)
ES (1) ES2952232T3 (en)
FR (1) FR3113365B1 (en)
WO (1) WO2022033916A1 (en)

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* Cited by examiner, † Cited by third party
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USD1030163S1 (en) * 2022-01-02 2024-06-04 Guangdong Shunde Prettycare Intelligent Technology Co., Ltd. Hand-held vacuum cleaner
USD1028396S1 (en) * 2022-01-02 2024-05-21 Guangdong Shunde Prettycare Intelligent Technology Co., Ltd. Hand-held vacuum cleaner

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WO2022033916A1 (en) 2022-02-17
ES2952232T3 (en) 2023-10-30
EP3954261C0 (en) 2023-06-07
EP3954261A1 (en) 2022-02-16
US20230371764A1 (en) 2023-11-23
FR3113365A1 (en) 2022-02-18
FR3113365B1 (en) 2023-12-15
JP2023537118A (en) 2023-08-30
CN116209380A (en) 2023-06-02
KR20230048629A (en) 2023-04-11

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