EP3626145B1 - Zyklonische trennungsvorrichtung für haushaltssauger - Google Patents

Zyklonische trennungsvorrichtung für haushaltssauger Download PDF

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Publication number
EP3626145B1
EP3626145B1 EP19190390.5A EP19190390A EP3626145B1 EP 3626145 B1 EP3626145 B1 EP 3626145B1 EP 19190390 A EP19190390 A EP 19190390A EP 3626145 B1 EP3626145 B1 EP 3626145B1
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EP
European Patent Office
Prior art keywords
cyclonic
separation
separation stage
separation device
separators
Prior art date
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Application number
EP19190390.5A
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English (en)
French (fr)
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EP3626145A1 (de
Inventor
Fabien David
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SEB SA
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SEB SA
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • 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
    • A47L9/1608—Cyclonic chamber constructions
    • 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
    • A47L9/165—Construction of inlets
    • 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
    • A47L9/1616—Multiple arrangement thereof
    • 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
    • A47L9/1616—Multiple arrangement thereof
    • A47L9/1625—Multiple arrangement thereof for series flow
    • 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
    • A47L9/1616—Multiple arrangement thereof
    • A47L9/1625—Multiple arrangement thereof for series flow
    • A47L9/1633—Concentric cyclones
    • 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

Definitions

  • the present invention relates to a cyclonic separation device for a domestic vacuum cleaner, and a domestic vacuum cleaner comprising such a cyclonic separation device.
  • the air inlet openings of the various cyclone separators are generally oriented towards the outside of the second stage of separation, so that the flow of air entering the second stage of separation can easily penetrate into the various cyclone separators.
  • WO2010097612A1 disclose separation devices comprising an upstream separator and a set of downstream cyclones.
  • the present invention aims to remedy all or part of these drawbacks.
  • the technical problem underlying the invention consists in particular in providing a cyclonic separation device with a reliable and economical structure, while guaranteeing waste separation performance and improved acoustic performance.
  • air inlet opening oriented towards the central region it is meant that, seen in a reference plane perpendicular to the central longitudinal axis of the second separation stage, the normal to an opening plane defined by the opening air inlet faces inside the center circle passing through the center of the air inlet opening.
  • the cyclonic separation device according to the present invention has improved separation performance compared to the cyclonic separation devices of the prior art.
  • the cyclonic separation device may also have one or more of the following characteristics, taken alone or in combination.
  • the air inlet openings of the cyclone separators of the second set are oriented such that, seen in a reference plane perpendicular to the central longitudinal axis of the second separation stage and for each cyclone separator of the second set, a straight line passing through the central longitudinal axis of the second separation stage and the center of the air inlet opening of a cyclone separator of the second set defines an angle of inclination comprised between -45 and 45° with respect to a normal to an opening plane defined by said air inlet opening.
  • Such a configuration of the air inlet openings of the cyclone separators of the second set makes it possible to further promote the air supply to the cyclone separators of the first set to obtain a better distribution of the air flow between the various cyclone separators of the second separation stage.
  • the cyclone separators of the second set are arranged in a peripheral region of the second separation stage.
  • the first set of cyclonic separators comprises cyclonic separators which are distributed, and preferably evenly distributed, around the central longitudinal axis of the second separation stage and which are equidistant with respect to the central longitudinal axis of the second separation stage, and a cyclonic separator which extends substantially along the central longitudinal axis of the second separation stage.
  • the air inlet openings of the cyclone separators of the second set are oriented substantially towards the central longitudinal axis of the second separation stage.
  • the air inlet openings of the cyclone separators of the first set are oriented such that, seen in a reference plane perpendicular to the central longitudinal axis of the second separation stage and for each cyclone separator of the first set, a straight line passing through the central longitudinal axis of the second separation stage and the center of the air inlet opening of a cyclone separator of the first set defines an angle of inclination comprised between 45 and 180° relative to a normal to an opening plane defined by said air inlet opening.
  • Such a configuration of the air inlet openings of the separators cyclones of the first set makes it possible to further improve the distribution of the air flow between the various cyclone separators of the second stage of separation.
  • the angle of inclination is between 60 and 120°, advantageously between 70 and 110°, and for example between 80 and 100°.
  • the air inlet openings of the cyclone separators of the first set are oriented substantially tangentially with respect to the central longitudinal axis of the second separation stage.
  • the cyclone separators of the second set are equidistant from the central longitudinal axis of the second separation stage.
  • the first separation stage comprises a central longitudinal axis which substantially coincides with the central longitudinal axis of the second separation stage.
  • each cyclone separator of the plurality of cyclone separators comprises a longitudinal axis, the longitudinal axis of each separator of the second set being inclined towards the central longitudinal axis of the second separation stage.
  • each cyclone separator of the plurality of cyclone separators opens tangentially into the respective secondary separation chamber.
  • the air intake duct of each cyclone separator of the plurality of cyclone separators extends helically.
  • each cyclone separator of the plurality of cyclone separators comprises a central discharge tube comprising a first end portion opening into the respective secondary partition and a second end portion opposite the respective first end portion.
  • the waste collection container comprises an upper peripheral edge
  • the cyclonic separation device further comprises a closing lid fixed, preferably in a removable manner, to the upper peripheral edge of the container waste collection.
  • the air discharge opening is provided on the closure cover.
  • each central delivery tube extends through a respective passage orifice provided on the closure cover.
  • each central delivery tube opens into an internal chamber delimited at least partially by the closure cover.
  • the closure cover comprises a covering wall which partially covers the cyclone separators of the plurality of cyclone separators and which extends transversely, and for example substantially perpendicularly, to the central longitudinal axis of the second stage of separation, the various passage orifices being provided on the covering wall of the closure cover.
  • the first separation stage comprises a filtration grid and a primary separation chamber delimited at least partially by a side wall of the waste collection container and by the filtration grid.
  • the primary separation chamber is a primary cyclonic separation chamber.
  • the tubular bodies of the cyclone separators of the plurality of cyclone separators are located under the grid of filtration.
  • the air inlet openings of the cyclone separators of the plurality of cyclone separators are located in an internal volume delimited laterally by the filtration grid.
  • the filtration grid is of substantially cylindrical shape.
  • the filtration grid comprises a plurality of evacuation orifices intended for the evacuation of an air flow in the direction of the second stage of separation.
  • the filtration grid at least partially separates the first stage of separation and the second stage of separation.
  • the filtration grid is located in an upper part of the waste collection container.
  • the first separation stage comprises at least one deflection rib extending into the primary separation chamber and configured to reduce the velocity of the air flow flowing into the separation chamber primary.
  • the first separation stage is located around the second separation stage.
  • Such an arrangement of the second separation stage, whose cyclonic separators generate noise, makes it possible to limit the noise generated by the cyclonic separation device.
  • the first waste collection compartment is located below the primary separation chamber.
  • the second waste collection compartment is located below the tubular bodies of the cyclone separators.
  • the tubular body of each cyclone separator of the plurality of cyclone separators comprises an upper part having a generally cylindrical shape, and a lower part which is frustoconical and which converges downwards.
  • the cyclonic separation device further comprises a filtration element configured to filter the air discharged by the second separation stage.
  • a filtration element configured to filter the air discharged by the second separation stage.
  • the presence of such a filtration element makes it possible in particular to retain the very fine dust which would not have been separated by the first and second separation stages, and therefore to improve the separation performance of the cyclonic separation device.
  • such a filtration element makes it possible to partially absorb the noise generated by the flow of the air flow in the various central delivery tubes, and thus to make the cyclonic separation device quieter.
  • the filtration element comprises a filtration wall provided with a plurality of filtration orifices.
  • the filtration wall extends transversely, and preferably substantially perpendicularly, to the central longitudinal axis of the second separation stage.
  • the filtration element can for example be a micro-filter.
  • the filtration element has the general shape of a disc.
  • the filter element can for example be a foam filter or a HEPA filter.
  • the internal chamber is delimited by the closure cover and the filtration element.
  • the closure cover comprises an upper housing in which the filtration element is at least partially housed.
  • the tubular body of each cyclone separator comprises a waste outlet opening connected to the second waste collection compartment.
  • each waste outlet opening is located in the lower part of the respective tubular body.
  • the air intake opening opens tangentially into the waste collection container, and more particularly into the primary separation chamber.
  • the air intake opening opens into an upper part of the waste collection container, and more particularly of the primary separation chamber.
  • the cyclonic separation device comprises a one-piece separation element forming the filtration grid and the tubular bodies of the cyclonic separators.
  • the one-piece separation element is removably fixed to a bottom wall of the waste collection container.
  • the one-piece separation element further comprises a cylindrical bottom wall removably fixed to the bottom wall of the waste collection container, the cylindrical bottom wall comprising an inner surface delimiting at least partially the second waste collection compartment and an outer surface at least partially delimiting the first waste collection compartment.
  • the at least one deflection rib is provided on the one-piece separation element.
  • the closure cover is fixed, preferably in a removable manner, to an upper peripheral edge of the filtration grid.
  • the present invention further relates to a household vacuum cleaner comprising a cyclonic separation device according to the present invention.
  • the domestic vacuum cleaner is a broom vacuum cleaner or a sled vacuum cleaner.
  • the figures 1 and 2 represent a domestic vacuum cleaner 1, and more particularly a sled vacuum cleaner, comprising a frame 2 supported by wheels 3 facilitating the movements of the domestic vacuum cleaner 1 during its use.
  • the frame 2 comprises a motorized fan unit intended to generate a vacuum, an electric cable reel and control electronics as well as manual control devices making it possible to control the operation of the domestic vacuum cleaner 1.
  • the domestic vacuum cleaner 1 further comprises a cyclonic separation device 4 removably mounted on the frame 2, and a connecting duct 5 providing an air connection between the motor-driven fan and the cyclonic separation device 4 so that the motor -ventilateur is able to establish a depression in the latter during the operation of the fan motor.
  • the domestic vacuum cleaner 1 further comprises a connection mouth 6 fluidly connected to the connecting conduit 5 and intended to be connected to a chain of suction accessories, not shown in the figures, generally comprising a suction head adapted to the end of a rigid telescopic tube connected to the connection mouth 6 by a flexible tube so that the suction head is in aeraulic connection with the motorized fan via the cyclonic separation device 4 and the connecting duct 5.
  • the cyclonic separation device 4 comprises a waste collection container 7 comprising an air intake opening 8 and an air discharge opening 9.
  • the cyclonic separation device 4 further comprises a first separation stage 11 disposed in the waste collection container 7 and configured to separate waste from the air entering the waste collection container 7 through the inlet opening. air 8, and a second separation stage 12 also disposed in the waste collection container 7 and configured to separate waste from the air discharged by the first separation stage 11.
  • the second separation stage 12 has a central longitudinal axis A which substantially coincides with a central longitudinal axis of the first stage of separation 11, and the first stage of separation 11 is located around the second separation stage 12.
  • the first separation stage 11 more particularly comprises a filtration grid 13, which is generally cylindrical and which is arranged in an upper part of the waste collection container 7, and a primary separation chamber 14 partially delimited by a side wall 15 of the waste collection container 7 and by the filtration grid 13.
  • the primary separation chamber 14 is annular and forms a cyclonic separation chamber, and the air intake opening 8 opens tangentially into an upper part of the primary separation chamber 14.
  • the filtration grid 13 comprises a plurality of evacuation orifices 16 intended for the evacuation of an air flow in the direction of the second stage of separation 12, and at least partially separates the first stage of separation 11 and the second separation stage 12.
  • the first separation stage 11 further comprises a first waste collection compartment 17 located below the primary separation chamber 14 and configured to collect the waste separated by the first separation stage 11.
  • the second separation stage 12 comprises a plurality of cyclonic separators 18 arranged in parallel with respect to each other.
  • Each cyclone separator 18 comprises a tubular body 19 which delimits a secondary separation chamber 21, and an air intake duct 22 which extends helically and which comprises an air inlet opening 23 and an outlet opening air 24 opening tangentially into the respective secondary separation chamber 21.
  • Each cyclone separator 18 further comprises a central discharge tube 25 comprising a first end portion 25.1 opening into the respective secondary separation chamber 21 and a second end portion 25.2 opposite the respective first end portion 25.1.
  • the tubular body 19 and the central discharge tube 25 of each cyclone separator 18 can be manufactured independently of each other, in order to facilitate the manufacture of each cyclone separator 18.
  • the tubular body 19 of each cyclone separator 18 comprises more particularly an upper part 19.1 having a generally cylindrical shape, and a lower part 19.2 which is tapered and which converges downwards.
  • the tubular body 19 of each cyclone separator 18 comprises a waste outlet opening 26 located in the lower part of the respective tubular body 19.
  • the tubular bodies 19 of the cyclone separators 18 are located under the filtration grid 13, while the air inlet openings 23 of the cyclone separators 18 are located in an internal volume 27 delimited laterally through the filtration grid 13.
  • the second separation stage 12 also includes a second waste collection compartment 28 separated from the first waste collection compartment 17 and configured to collect the waste separated by the second separation stage 12.
  • the second waste collection compartment 28 is advantageously located below the tubular bodies 19 of the cyclone separators 18, so that the waste evacuated by the waste outlet openings 26 can fall by gravity into the second waste collection compartment 28.
  • the plurality of cyclone separators comprises a first set of cyclone separators comprising cyclone separators 18.1 which are arranged in a central region of the second separation stage 12, and a second set of cyclone separators comprising cyclone separators 18.2 which are regularly distributed around the central longitudinal axis A of the second separation stage 12 and which are arranged around the cyclone separators 18.1 of the first set.
  • separators cyclones 18.2 of the second set are arranged in a peripheral region of the second separation stage 12, and are equidistant from the central longitudinal axis A of the second separation stage 12.
  • the air inlet openings 23 of the cyclone separators 18.2 of the second set are oriented towards the central region of the second separation stage 12, that is to say that, seen in a reference plane perpendicular to the central longitudinal axis A of the second separation stage 12, the normal N to an opening plane defined by the air inlet opening 23 is oriented towards the inside of the circle with center A passing through the center of the air inlet opening 23.
  • the air inlet openings 23 of the cyclone separators 18.2 of the second set are oriented such that, seen in a reference plane perpendicular to the central longitudinal axis A of the second separation stage 12 and for each cyclone separator 18.2 of the second set, a straight line D passing through the central longitudinal axis A of the second separation stage 12 and the center of the air inlet opening 23 of a cyclone separator 18.2 of the second set defines an angle of inclination ⁇ between -90° and 90° with respect to a normal N to an opening plane defined by said air inlet opening 23.
  • the angle of inclination ⁇ is between -90° and 90°, advantageously between -45° and 45°, and for example between -10° and 10°.
  • the air inlet openings 23 of the cyclone separators 18.2 of the second set are oriented substantially towards the central longitudinal axis A of the second separation stage 12.
  • Such an orientation of the air inlet openings 23 of the cyclone separators 18.2 of the second set promotes the air supply to the cyclone separators 18.1 of the first set, and therefore a better distribution of the air flow between the various cyclone separators 18 of the second separation stage 12.
  • each cyclone separator 18.2 of the second set is inclined towards the central longitudinal axis A of the second separation stage 12 such that the lower end of the tubular body 19 of each cyclone separator 18.2 of the second set is brought closer to the central longitudinal axis A.
  • the first set of cyclonic separators comprises cyclonic separators 18.1 which are regularly distributed around the central longitudinal axis A of the second separation stage 12 and which are equidistant with respect to the longitudinal axis central A, and a cyclone separator 18.1 which extends substantially along the central longitudinal axis A.
  • the air inlet openings 23 of the cyclone separators 18.1 of the first set are oriented such that, seen in a reference plane perpendicular to the central longitudinal axis A of the second separation stage 12 and for each cyclone separator 18.1 of the first set, a straight line D passing through the central longitudinal axis A of the second separation stage 12 and the center of the air inlet opening 23 of a cyclone separator 18.1 of the first set defines an angle of inclination ⁇ comprised between 45 and 180° with respect to a normal N to an opening plane defined by said air inlet opening 23.
  • the angle of inclination a is comprised between 60 and 120°, advantageously between 70 and 110°, and for example between 80 and 100°.
  • the air inlet openings 23 of the cyclone separators 18.1 of the first set are oriented substantially tangentially with respect to the central longitudinal axis A of the second separation stage.
  • Such a configuration of the air inlet openings 23 of the cyclone separators 18.1 of the first set makes it possible to further improve the distribution of the air flow between the various cyclone separators 18 of the second separation stage 12.
  • the separation device cyclone separator 4 further comprises a one-piece separation element 29 which forms the filtration grid 13 and the tubular bodies 19 of the cyclone separators 18, and which is removably fixed to a bottom wall 31 of the waste collection container 7.
  • the one-piece separation element 29 further comprises a cylindrical bottom wall 32 which is fixed in a removable manner to the bottom wall 31 of the waste collection container 7 and which comprises an inner surface partially delimiting the second collection compartment waste 28 and an outer surface partially delimiting the first waste collection compartment 17.
  • the cyclonic separation device 4 further comprises a closure cover 33 fixed, preferably in a removable manner, to an upper peripheral edge 34 of the waste collection container 7.
  • the closure cover 33 more particularly comprises a covering wall 35 which partially covers the cyclone separators 18 and which extends transversely, and for example substantially perpendicularly, to the central longitudinal axis A of the second separation stage 12.
  • the covering wall 35 of the closure cover 33 comprises orifices passage 36 through each of which extends the second end portion 25.2 of a central discharge tube 25 respective.
  • the air discharge opening 9 is provided on the closure cover 33, and the closure cover 33 is also fixed, preferably in a removable manner, on an upper peripheral edge 37 of the filtration grid 13.
  • the cyclonic separation device 4 further comprises a filtration element 38 configured to filter the air discharged by the second separation stage 12.
  • the filtration element 38 is housed at least partially in an upper housing 39 delimited by the closure cover 33, and comprises a filtration wall 41 provided with a plurality of filtration orifices 42.
  • the filtration wall 41 extends transversely, and preferably substantially perpendicularly, to the central longitudinal axis A of the second separation stage 12.
  • each central delivery tube 25 opens into an internal chamber 46 delimited by the closure cover 33 and the filtration element 38.
  • the first separation stage 11 comprises several deflection ribs 43 extending into the primary separation chamber 14 and configured to reduce the speed of the air flow flowing in the separation chamber. primary separation 14.
  • each deflection rib 43 is provided on the one-piece separation element 29 and extends radially in the direction of the side wall 15 of the waste collection container 7.
  • the cyclonic separation device 4 may further comprise air flow straightening elements 44 provided on the first end portion 25.1 of each central delivery tube 25.
  • the air flow straightening elements 44 provided on each central discharge tube 25 are more particularly configured to obstruct the vortex movement of the air circulating in the respective secondary separation chamber 21 and to make it laminar.
  • each airflow straightening element 44 may be formed by a straightening fin or rib extending, for example, substantially radially with respect to the longitudinal axis of the respective central discharge tube 25 .
  • the air flow straightening elements 44 provided on each central discharge tube 25 are advantageously regularly distributed around the longitudinal axis of the respective central discharge tube 25 .
  • the cyclonic separation device 4 further comprises a gripping handle 45 facilitating its handling by a user.
  • the fan motor provided in the frame 2 When the fan motor provided in the frame 2 is electrically powered, it establishes a vacuum in the cyclonic separation device 4 so that air and waste are sucked in by the suction head.
  • the air charged with waste then enters the primary separation chamber 14 via the air inlet opening 8 which opens tangentially into the latter.
  • the air is thus rotated and the waste is centrifuged outwards and the majority of this waste is collected by the first waste collection compartment 17 where the air speeds are lower.
  • the presence of the deflection ribs 43 promotes the separation of the waste from the air flow circulating in the primary separation chamber 14.
  • the air flow then divides to supply each cyclone separator 18.
  • the air inlet openings 23 of the various cyclone separators 18.1, 18.2 of the first set and of the second set are oriented differently in order to standardize the supply of the cyclone separators so that each of them is supplied with substantially the same portion of flow.
  • the air laden with fine dust then passes through the cyclone separators 18 and the separated dust leaves the latter via the waste outlet openings 26 and is collected by the second waste collection compartment 28.
  • each cyclone separator 18 The substantially purified air circulating from vortex manner through each cyclone separator 18 then moves towards the first end portion 25.1 of the respective central discharge tube 25 which has airflow straightening elements 44 in order to break the rotation of the air so that this the latter then flows with a minimum of turbulence and speed in said central discharge tube 25, in order to reduce the generation of noise.
  • the air then leaves the central discharge tubes 25 and passes through the filtration element 38 which will retain the very fine dust which will not have been separated by the first and second separation stages 11, 12.
  • the user When the first and second waste collection compartments 17, 28 are partially filled, the user removes the cyclonic separation device 4 from the frame 2, removes the closure cover 33 and separates the one-piece separation element 29 from the bottom wall 31 of the waste collection container 7, then pours the waste contained in the first and second waste collection compartments 17, 28 for example into a trash can, and finally reassembles the different parts to each other.
  • the filtration element 38 is also removable in order to be able to empty the internal chamber 46.

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

Claims (14)

  1. Zyklonische Trennvorrichtung (4) für Haushaltssauger, umfassend:
    - einen Abfallsammelbehälter (7), umfassend eine Luftzugangsöffnung (8) und eine Luftausstoßöffnung (9),
    - eine erste Trennstufe (11), die im Abfallsammelbehälter (7) angeordnet ist und konfiguriert ist, um Abfälle von der Luft zu trennen, die durch die Luftzugangsöffnung (8) in den Abfallsammelbehälter (7) eindringt, und
    - eine zweite Trennstufe (12), die im Abfallsammelbehälter (7) angeordnet ist und konfiguriert ist, um Abfälle von der Luft zu trennen, die durch die erste Trennstufe (11) ausgestoßen wird, wobei die zweite Trennstufe (12) eine Vielzahl von zyklonischen Trennern (18) umfasst, die vorteilhafterweise parallel zueinander angeordnet sind, wobei jeder zyklonische Trenner (18) einen rohrförmigen Körper (19), der eine sekundäre Trennkammer (21) begrenzt, und eine Luftzugangsleitung (22) umfasst, die eine Lufteingangsöffnung (23) und eine Luftausgangsöffnung (24) umfasst, die in die entsprechende sekundäre Trennkammer (21) mündet,
    wobei die Vielzahl von zyklonischen Trennern eine erste Anordnung zyklonischer Trenner (18.1), die in einem mittleren Bereich der zweiten Trennstufe (12) angeordnet sind, und eine zweite Anordnung zyklonischer Trenner (18.2) umfasst, die um eine mittlere Längsachse (A) der zweiten Trennstufe (12) herum verteilt sind und die um die zyklonischen Trenner (18.1) der ersten Anordnung herum angeordnet sind, wobei die Lufteingangsöffnungen (23) der zyklonischen Trenner (18.2) der zweiten Anordnung zu dem mittleren Bereich der zweiten Trennstufe (12) hin ausgerichtet sind,
    wobei die erste Trennstufe (11) ein Filtergitter (13) und eine primäre Trennkammer (14) umfasst, die zumindest teilweise durch eine Seitenwand (15) des Abfallsammelbehälters (7) und durch das Filtergitter (13) begrenzt wird,
    wobei das Filtergitter (13) eine Vielzahl von Ableitöffnungen umfasst, die zur Ableitung eines Luftstroms in Richtung der zweiten Trennstufe (12) vorgesehen sind,
    dadurch gekennzeichnet, dass sich die Lufteingangsöffnungen (23) der zyklonischen Trenner der Vielzahl von zyklonischen Trennern (18) in einem Innenvolumen befinden, das seitlich durch das Filtergitter (13) begrenzt wird.
  2. Zyklonische Trennvorrichtung (4) nach Anspruch 1, wobei die Lufteingangsöffnungen (23) der zyklonischen Trenner (18.2) der zweiten Anordnung im Wesentlichen zur mittleren Längsachse (A) der zweiten Trennstufe (12) hin ausgerichtet sind.
  3. Zyklonische Trennvorrichtung (4) nach Anspruch 1 oder 2, wobei die Lufteingangsöffnungen (23) der zyklonischen Trenner (18.1) der ersten Anordnung derart ausgerichtet sind, dass bei einer Betrachtung derselben in einer Referenzebene senkrecht zur mittleren Längsachse (A) der zweiten Trennstufe (12) und für jeden zyklonischen Trenner (18.1) der ersten Anordnung eine Gerade (D), die durch die mittlere Längsachse (A) der zweiten Trennstufe (12) und den Mittelpunkt der Lufteingangsöffnung (23) eines zyklonischen Trenners (18.1) der ersten Anordnung verläuft, einen Neigungswinkel (a) zwischen 45 und 180° in Bezug auf eine Normale (N) zu einer Öffnungsebene definiert, die durch die Lufteingangsöffnung (23) definiert wird.
  4. Zyklonische Trennvorrichtung (4) nach einem der Ansprüche 1 bis 3, wobei die Lufteingangsöffnungen (23) der zyklonischen Trenner (18.1) der ersten Anordnung in Bezug auf die mittlere Längsachse (A) der zweiten Trennstufe (12) im Wesentlichen tangential ausgerichtet sind.
  5. Zyklonische Trennvorrichtung (4) nach einem der Ansprüche 1 bis 4, wobei die zyklonischen Trenner (18.2) der zweiten Anordnung in Bezug auf die mittlere Längsachse (A) der zweiten Trennstufe (12) abstandsgleich sind.
  6. Zyklonische Trennvorrichtung (4) nach einem der Ansprüche 1 bis 5, wobei die Luftausgangsöffnung (24) jedes zyklonischen Trenners (18) der Vielzahl von zyklonischen Trennern tangential in die entsprechende sekundäre Trennkammer (21) mündet.
  7. Zyklonische Trennvorrichtung (4) nach einem der Ansprüche 1 bis 6, wobei sich die Luftzugangsleitung (22) jedes zyklonischen Trenners (18) der Vielzahl von zyklonischen Trennern schneckenförmig erstreckt.
  8. Zyklonische Trennvorrichtung (4) nach einem der Ansprüche 1 bis 7, wobei jeder zyklonische Trenner (18) der Vielzahl von zyklonischen Trennern ein mittleres Ausstoßrohr (25) umfasst, das einen ersten Endabschnitt (25.1), der in die entsprechende sekundäre Trennkammer (21) mündet, und einen dem entsprechenden ersten Endabschnitt (25.1) gegenüberliegenden, zweiten Endabschnitt (25.2) umfasst.
  9. Zyklonische Trennvorrichtung (4) nach einem der Ansprüche 1 bis 8, wobei die zyklonische Trennvorrichtung (4) weiter einen Verschlussdeckel (33) umfasst, der an einem oberen Umfangsrand (34) des Abfallsammelbehälters (7) befestigt ist.
  10. Zyklonische Trennvorrichtung (4) nach einem der Ansprüche 8 und 9, wobei sich der zweite Endabschnitt (25.2) jedes mittleren Ausstoßrohrs (25) durch eine entsprechende Durchgangsöffnung (36) hindurch erstreckt, die auf dem Verschlussdeckel (33) vorgesehen ist.
  11. Zyklonische Trennvorrichtung (4) nach einem der Ansprüche 1 bis 10, wobei sich die rohrförmigen Körper (19) der zyklonischen Trenner (18) der Vielzahl von zyklonischen Trennern unter dem Filtergitter (13) befinden.
  12. Zyklonische Trennvorrichtung (4) nach einem der Ansprüche 1 bis 11, wobei sich die erste Trennstufe (11) um die zweite Trennstufe (12) herum befindet.
  13. Zyklonische Trennvorrichtung (4) nach einem der Ansprüche 1 bis 12, die weiter ein Filterelement (38) umfasst, das konfiguriert ist, um die durch die zweite Trennstufe (12) ausgestoßene Luft zu filtern.
  14. Haushaltssauger (1), umfassend eine zyklonische Trennvorrichtung (4) nach einem der vorstehenden Ansprüche.
EP19190390.5A 2018-09-18 2019-08-06 Zyklonische trennungsvorrichtung für haushaltssauger Active EP3626145B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1858439A FR3085829B1 (fr) 2018-09-18 2018-09-18 Dispositif de separation cyclonique pour aspirateur domestique

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EP3626145A1 EP3626145A1 (de) 2020-03-25
EP3626145B1 true EP3626145B1 (de) 2022-11-02

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CN (2) CN210989988U (de)
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3060095B1 (de) * 2013-10-24 2018-09-26 Dyson Technology Limited Zyklonabscheider mit gestapelten zyklonen

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2468150B (en) * 2009-02-27 2012-10-03 Dyson Technology Ltd Cyclonic separating apparatus
EP2581012B1 (de) * 2011-10-12 2015-01-21 Black & Decker Inc. Motor, Gebläse und zyklonische Trennvorrichtungsanordnung für einen Staubsauger
GB2497944B (en) * 2011-12-22 2014-04-02 Dyson Technology Ltd Vacuum cleaner
GB2522810B (en) * 2011-12-22 2016-05-18 Dyson Technology Ltd Separating apparatus
CN103431810B (zh) * 2013-08-13 2016-01-20 胡海荣 一种旋风分离式尘杯
KR101653459B1 (ko) * 2014-12-01 2016-09-01 엘지전자 주식회사 진공 청소기 및 집진장치

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3060095B1 (de) * 2013-10-24 2018-09-26 Dyson Technology Limited Zyklonabscheider mit gestapelten zyklonen

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CN210989988U (zh) 2020-07-14
CN110897552A (zh) 2020-03-24
FR3085829B1 (fr) 2020-10-23
EP3626145A1 (de) 2020-03-25
FR3085829A1 (fr) 2020-03-20
ES2932088T3 (es) 2023-01-11

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