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WO2017088022A1 - Aspirateur cyclonique - Google Patents

Aspirateur cyclonique Download PDF

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Publication number
WO2017088022A1
WO2017088022A1 PCT/AU2016/051151 AU2016051151W WO2017088022A1 WO 2017088022 A1 WO2017088022 A1 WO 2017088022A1 AU 2016051151 W AU2016051151 W AU 2016051151W WO 2017088022 A1 WO2017088022 A1 WO 2017088022A1
Authority
WO
WIPO (PCT)
Prior art keywords
stage
vacuum cleaner
swirl
tubes
dust
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.)
Ceased
Application number
PCT/AU2016/051151
Other languages
English (en)
Inventor
Tibor Frei
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.)
Rugged Industries Pty Ltd
Original Assignee
Rugged Industries Pty Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from AU2015904843A external-priority patent/AU2015904843A0/en
Application filed by Rugged Industries Pty Ltd filed Critical Rugged Industries Pty Ltd
Priority to AU2016361458A priority Critical patent/AU2016361458B2/en
Priority to CN201680068540.0A priority patent/CN108289582A/zh
Publication of WO2017088022A1 publication Critical patent/WO2017088022A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/24—Multiple arrangement thereof
    • B04C5/28—Multiple arrangement thereof for parallel 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
    • 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
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • 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
    • A47L9/125—Dry filters funnel-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
    • A47L9/1616—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
    • A47L9/1641—Multiple arrangement thereof for parallel 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
    • A47L9/165—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
    • A47L9/1683—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/02—Construction of inlets by which the vortex flow is generated, e.g. tangential admission, the fluid flow being forced to follow a downward path by spirally wound bulkheads, or with slightly downwardly-directed tangential admission
    • B04C5/06—Axial inlets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/08—Vortex chamber constructions
    • B04C5/103—Bodies or members, e.g. bulkheads, guides, in the vortex chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/12—Construction of the overflow ducting, e.g. diffusing or spiral exits
    • B04C5/13—Construction of the overflow ducting, e.g. diffusing or spiral exits formed as a vortex finder and extending into the vortex chamber; Discharge from vortex finder otherwise than at the top of the cyclone; Devices for controlling the overflow

Definitions

  • the present invention relates to cyclonic vacuum cleaners and in particular to a cyclonic vacuum cleaner having a dust separation manifold arrangement forming a plurality of swirl tubes in parallel in an air circuit.
  • a vacuum cleaner having a dust separation manifold arrangement forming a plurality of axial inlet and tangential cyclone forming swirl tubes.
  • the swirl tubes of present embodiments comprising coaxial inner and outer tubes and tangential swirl inducing vanes between the outer and inner tubes.
  • the swirl inducing vanes impart a tangential swirl on air travelling axially between the inner and outer tubes so as to form a vortex at a lower end of the swirl tube such that dust migrates outwardly forming a relatively dust laden annulus such that the inner tube is able to draw relatively dust free air from the centre of the vortex such that the relatively dust free air travels back up each swirl tube within the inner tube and wherein the dust from the relatively dust laden annulus falls from the outer tube to a collection dust bin tank beneath.
  • the vacuum cleaner of present embodiments comprises a manifold arrangement having a plurality of the swirl tubes in parallel in an air circuit wherein each swirl tubes is orientated perpendicularly and located above the dust bin tank.
  • the present vacuum cleaner comprises a multistage manifold comprising a plurality of stages in series, each comprising a plurality of swirl tubes in parallel so as to allow for sequential dust separation processes.
  • WO 2007/075893 A2 (ROYAL APPLIANCE MFG.CO.) 05 July 2007 [hereinafter referred to as Dl] discloses a home cleaning appliance as shown in Figure 1 having a conventional tangential inlet "cylinder on cone” cyclonic separators as is shown in Figure 2.
  • Dl represents the conventional vacuum cleaner cyclonic arrangement having tangential inlets.
  • the separator 86 of Dl comprises a dirty air inlet 210 entering tangentially to form cyclonic flow. Clean air is drawn from the centre of the cyclone via outlet channel 300 and dust falls from the lower end 260.
  • Dl has design disadvantages in that the cyclone is fouled by the space occupied by the inlet and also the air entering therefrom. As such, Dl is deficient in not obtaining proper cyclonic formation.
  • Dl requires deflecting blades 376 to deflect the air down the cyclone tube and to prevent dust exiting directly via the outlet channel 300. Dl's use of deflectors is poor cyclone design.
  • a cyclonic vacuum cleaner having a dust separation manifold arrangement forming a plurality of swirl tubes in parallel in an air circuit, each swirl tube comprising coaxial inner and outer tubes and substantially tangential swirl inducing vanes between the outer and inner tubes such that each swirl tube defines: an upper inlet between the upper ends of the inner and outer tubes; upper outlet from within the upper end of the inner tube; a lower dust outlet between the lower ends of the inner and outer tubes; and a vortex finder at a lower end of the inner tube; wherein the manifold arrangement is arranged such that each swirl tube is orientated substantially perpendicularly and located above a dust bin tank such that that dust laden air enters the swirl tube inlets and travels axially towards the swirl inducing vanes and wherein the swirl inducing vanes impart a tangential swirl on the air so as to form a vortex substantially at the vortex finder such that dust migrates outwardly
  • the vanes may be axially variably pitched so as to transition from a substantially axial pitch at an upper end thereof to a substantially tangential pitch at a lower end thereof.
  • Each swirl tube may comprise 6 vanes.
  • the outer tubes may extend further down beyond the inner tubes.
  • the manifold arrangement may be multistaged in having at least a first stage and a second stage defining a first stage input plenum, a first stage output/second stage input plenum and a second stage output plenum and a first stage deck comprising first stage swirl tubes between the first stage input plenum and first stage output/second stage input plenum and a second stage deck comprising second stage swirl tubes between the first stage output/second stage input plenum and the second stage output plenum and wherein the swirl tubes may be arranged in parallel in the air circuit in each deck.
  • the first stage may comprise nine first stage swirl tubes.
  • the second stage may comprise nine second stage swirl tubes.
  • the manifold arrangement may have a throughput of more than 20 l/s.
  • the manifold arrangement may have a throughput of more than 30 l/s.
  • the manifold arrangement may comprise an outer tube defining manifold portion having a plurality of parallel tube formations defining the respective outer tubes of the swirl tubes.
  • Each outer tube may be substantially frustoconical.
  • the manifold arrangement further may comprise a plurality of vane hub assemblies defining the inner tubes and peripheral vanes of the swirl tubes, the vane hub assemblies being located within the parallel tube formations of the outer tube defining manifold portion.
  • the manifold arrangement further may comprise a first stage separator plate separating the first stage input plenum and the first stage output/second stage input plenum.
  • the first stage separator plate meets the inlets of the first stage swirl tubes.
  • the cyclonic vacuum cleaner may further comprise first stage grommets interfacing the first stage separator plate and the inlets of the first stage swirl tubes.
  • the manifold arrangement further may comprise a second stage separator plate separating first stage output/second stage input plenum and the second stage output plenum.
  • the second stage separator plate meets the inlets of the second stage swirl tubes.
  • the cyclonic vacuum cleaner may further comprise second stage grommets interfacing the second stage separator plate and the inlets of the second stage swirl tubes.
  • the second stage separator plate may be located above the first stage separator plate.
  • the cyclonic vacuum cleaner may further comprise an exhaust duct to draw air from the second stage output plenum.
  • the exhaust duct may be oriented perpendicularly with respect to the first and second stage separator plates.
  • the exhaust duct may travel down the center of the vacuum cleaner towards an electric motor located within the base of the vacuum cleaner.
  • the cyclonic vacuum cleaner may further comprise an antimicrobial filter within the exhaust duct.
  • the cyclonic vacuum cleaner may further comprise exhaust vents arranged in the air circuit after the electric motor to exhaust air from the base of the vacuum cleaner.
  • the cyclonic vacuum cleaner may further comprise a stage separating funnel arrangement located beneath the swirl tube outlets.
  • the stage separating funnel may be configured to separately collected dust from the separate dust outlets of the first and second stage swirl tubes.
  • the funnel arrangement may comprise an outer funnel and an inner funnel.
  • the first stage swirl tubes may be arranged towards the periphery of the manifold arrangement and wherein dust from the first stage swirl tubes falls via the outer funnel and wherein the second stage in tubes may be arranged centrally within the manifold arrangement and wherein dust from the second stage swirl tubes falls via the inner funnel.
  • the cyclonic vacuum cleaner may further comprise baffles within the dust bin tank.
  • the dust bin tank may comprise an openable base for emptying.
  • a vane hub assembly comprising and axial tube and peripheral vanes emanating therefrom for use in a cyclonic vacuum cleaner wherein the peripheral vanes transition from a substantially axial pitch at an upper ends thereof to a substantially axial pitch at lower ends thereof.
  • the vane hub assembly may comprise a widened hub having the vanes thereon.
  • the vane hub assembly may further comprise a conical shoulder transitions between axial tube and the hub.
  • Upper ends of the vanes comprise protrusions for mechanical interlock with corresponding indentations of an inner surface of an outer tube.
  • the vane hub assembly may comprise constituent upper male and a lower female portions.
  • a lower portion of the axial tube may be frustoconical.
  • the vane hub assembly may comprise six peripheral vanes.
  • Figures 1 and 2 show a prior art conventional tangential inlet separator cyclonic vacuum cleaner arrangement
  • Figure 3 shows vane hub assemblies of first and second stage swirl tubes in accordance with and bottom of the present disclosure
  • Figures 4-10 show the assembly of a multi-staged dust separation manifold arrangement for forming a plurality of swirl tubes in parallel in an air circuit in accordance with embodiments of the present disclosure
  • Figure 11 shows a cross-sectional view of the dust separation manifold arrangement in accordance with an embodiment of the present disclosure
  • Figure 12 shows the assembly of a filter screen mesh around a lower portion of the manifold assembly in accordance with an embodiment of the present disclosure
  • Figures 13 - 15 show the assembly of a stage separating funnel in accordance with an embodiment of the present disclosure
  • Figures 16 - 18 show further assembly of the cyclonic vacuum cleaner including the provision of a dust bin tank, lid and handles in accordance with an embodiment of the present disclosure
  • Figure 19 shows a cross-sectional elevation view of the cyclonic vacuum cleaner in accordance with an embodiment of the present disclosure
  • Figure 20 shows a perspective view of the assembled cyclonic vacuum cleaner including in comprising a backpack harness in accordance with an embodiment of the present disclosure; and [59] Figure 21 shows the vane hub arrangement in further detail in accordance with an embodiment of the present disclosure.
  • FIG 20 shows a cyclonic vacuum cleaner 1 in accordance with an embodiment of the present disclosure.
  • the vacuum cleaner 1 is of commercial grade and comprises a harness for backpack mounting.
  • the harness may comprise associated waist and shoulder straps so as to allow the vacuum cleaner 1 to be worn on a user's back.
  • the vacuum cleaner 1 may comprise an electrical plug 2 which may connect with an electrical lead 3 retained within conical retention member 4.
  • a hose may be connected to air inlet 5.
  • the vacuum cleaner 1 utilises a dust separation manifold arrangement forming a plurality of swirl tubes in parallel in an air circuit as will be described in further detail below.
  • FIG 19 there is shown a cross-sectional elevation view of the cyclonic vacuum cleaner 1.
  • the vacuum cleaner 1 comprises an electric motor 8 for drawing air through an air circuit via air inlet 5.
  • the electric motor 8 is located in the base of the vacuum cleaner 1 and spins an impeller 9 to draw clean air down a central exhaust duct 10 for expulsion.
  • An antimicrobial filter 10 may be located towards the lower end of the exhaust duct 10.
  • the electric motor 8 creates an air circuit wherein air flows via the air inlet 5, dust separating manifold arrangement 6, exhaust duct 10, the filter 11, the impeller 11 and is expelled from exhaust vents located in the base of the vacuum cleaner. Dust is collected within the dust bin tank 7.
  • FIG. 11 shows a magnified view of the manifold arrangement 6 in further detail showing the swirl tubes in further detail.
  • each swirl tube comprises coaxial inner 13 and outer 14 tubes and tangential swirl inducing vanes 15 between the outer 14 and inner 13 tubes.
  • each swirl tube is perpendicularly orientated and located above the dust bin 7.
  • Each swirl tube defines an upper inlet 49 between the upper ends of the inner 13 and outer 14 tubes; an upper clean outlet 52 from within the upper end of the inner tube 13; a lower dust outlet 51 between the lower ends of the inner 13 and outer 14 tubes; and a vortex finder 50 at a lower end of the inner tube 13.
  • the manifold arrangement 6 is configured such that air enters each swirl tube 12 axially and travels down the swirl tube 12 between the outer 14 and inner 13 tubes. While travelling axially therebetween, the swirl inducing vanes 15 impart a substantially tangential swirl thereon so as to create a vortex at the lower end of the inner tube 13.
  • the vortex forces the dust to migrate outwardly forming a relatively dust laden annulus such that the vortex finder 50 inner tube 13 is able to draw relatively dust free air from the centre of the vortex such that the relatively dust free air travels back up each swirl tube within the inner tube 13 and out via the clean outlet 52 and wherein the dust from the relatively dust laden annulus falls from the dust outlet 51 to the dustbin beneath.
  • the manifold arrangement is multistaged in having at least a first stage and a second stage defining a first stage input plenum 53, a first stage output/second stage input plenum 54 and a second stage output plenum 55 and a first stage deck comprising first stage swirl tubes 43A between the first stage input plenum 53 and first stage output/second stage input plenum 54 and a second stage deck comprising second stage swirl tubes 43B between the first stage output/second stage input plenum 54 and the second stage output plenum 55 and wherein the swirl tubes are arranged in parallel in the air circuit in each deck.
  • figure 3 shows a vane hub assembly 43 which forms part of the swirl tube 12.
  • the particular configurations of the vane hub assembly 43 shown (and that of the manifold arrangement 6) is a result of significant trial and experimentation, including computer aided simulation for the operational optimisation thereof including in the vortex formation thereby.
  • Figure 21 shows the vane hub assembly 43 magnified for further detail.
  • the vane hub assembly 43 comprises the inner tube 13 which, as will be described in further detail below, is located within the outer tube 14 so as to form the swirl tube.
  • the vane hub assembly 43 has a widened hub 21 comprising the peripheral tangential swirl inducing vanes 15 thereon.
  • the upper peripheral edges of the vanes 15 may comprise protrusions 23 so as to interlock with corresponding indentations of the inner surfaces of the outer tube 14 for appropriately locating and securing the vane hubs 43.
  • the vane hub assembly 43 may be formed by upper male component 16 that is received and fits within a lower female component 17. Mechanical interlocks 18 may fit with respective grooves 19 so as to fasten the male 16 and female 17 components.
  • the lower portion of the inner tube 13 may be a substantially frustoconical.
  • the manifold arrangement 6 is multistaged comprising at least first and second stages.
  • figure 3A shows the vane hubs 43A of the first stage
  • figure 3B shows the vane hubs 43B of the second stage wherein, as can be seen, the vane hubs 43B of the second stage are characterised in comprising an elongated upper cylindrical portion 13 so as to be able to reach the second stage separator plate in the manner described in further detail below.
  • each vane 15 initiates substantially axially at an upper end thereof and transitions substantially tangentially at a lower end thereof.
  • air travels between the inner 13 and outer tubes 14 substantially axially above the vanes 15 and, as such, the vanes 15 start substantially axially pitched so as to meet the axial flow of the air.
  • the vanes 15 then gradually transition substantially tangentially so as to guide the air from an axial direction to a vortex inducing tangential direction such that when the air departs the vanes 15 at a lower end thereof, the air is travelling substantially tangentially so as to be vortex forming.
  • FIG 4 there is shown the insertion of the first stage vane hubs 43A into an outer tube defining manifold portion 25 of the manifold arrangement 6.
  • Figure 4A shows an exploded view whereas figure 4B shows the arrangement once constructed.
  • the outer tube defining manifold portion 25 comprises a plurality of colocated and perpendicularly orientated outer tube formations 14 partially defining the swirl tubes.
  • outer tube defining manifold portion 25 may be surrounded by a flange 45 interfacing the outer tubes 14 and the outer casing of the cleaner 1.
  • the flange 45 may transition to the inlet 5.
  • a poppet valve inlet 44 may be provided. At 20 kPa suction the poppet valve opens to atmosphere allowing air to the swirl tubes to maintain filtration in the event of hose blockage. Furthermore, the poppet valve reduces downtime in comparison to thermal control methods, where it is necessary to wait for the thermostat to cool sufficiently to reset.
  • the first stage vane hubs 43A are arranged in three peripheral groups of three vane hubs 43 each in the configuration shown in figure 4.
  • FIG 5 there is shown the insertion of the second stage vane hubs 43 into the outer tube defining manifold portion 25.
  • the second stage vane hubs 43 are arranged centrally in a substantial triangular configurations.
  • the configuration of vane hubs 43 surrounds the exhaust duct 10.
  • FIG 6 there is shown the insertion of a first stage separator plate 26 over the located vane hubs 43.
  • the first stage separator plate 26 comprises peripheral raised portions 27 meeting the inlets of the first stage swirl tubes so as to separate the inlets and outlets of the first stage swirl tubes.
  • Figure 7 shows the insertion of screws 28 so as to secure the first stage separator plate 26 to the outer tube defining manifold portion 25.
  • Figure 8 shows the insertion of first stage grommets 29 for sealing the inner tubes 13 of the first stage vane hubs 43A and the first stage separator plate 26.
  • FIG 9 there is shown the further insertion of a second stage separator plate 30 over the first stage separator plate 26 which similarly meets the inlets of the second stage swirl tubes so as to separate the inlets and the outlets of the second stage swirl tubes.
  • the second stage separator plate 30 comprises raised portions 31 to accommodate the outputs of the first stage swirl tubes.
  • FIG 10 there is shown the insertion of second stage grommets 32 so as to seal the inlets of the second stage swirl tube and the second stage separator plate 30.
  • FIG 13 there is shown the insertion of a bottom manifold portion 34 under the manifold arrangement 6.
  • the bottom manifold portion 34 comprises a central cylindrical portion 35 defining a portion of the exhaust duct 10.
  • the bottom manifold portion 34 comprises a plurality of apertures corresponding to the dust outlets of the first and second stage swirl tubes.
  • FIG 14 there is shown the insertion of a stage separating funnel assembly 35 over the bottom portion 34.
  • FIG 15 there is shown a cross-sectional view of the stage separating funnel assembly 35 in further detail wherein, as can be seen, the funnel 35 comprises dust collectors 36 to catch dust falling from the dust outlets of the first and second stage swirl tubes located above wherein the dust collectors 36 comprise first stage dust collectors 36A configured to collect dust from the first stage swirl tube dust outlets and second stage dust collectors 36B configured to catch dust from the second stage swirl tube dust outlets.
  • the dust collectors 36 comprise first stage dust collectors 36A configured to collect dust from the first stage swirl tube dust outlets and second stage dust collectors 36B configured to catch dust from the second stage swirl tube dust outlets.
  • the funnel 35 comprises outer 46 and inner 37 funnels wherein the dust collectors 36 are located such that dust collected from the first stage swirl tube falls to the outer funnel 46 and dust collected from the outlets of the second stage swirl tubes falls to the inner funnel 37.
  • the outer 46 and inner 37 funnels substantially vertically isolate the outputs of the first and second stage swirl tubes so as to reduce the likelihood of dust falling from the first stage swirl tube from being inadvertently drawn through the second stage swirl tube.
  • dust bin tank 7 is substantially transparent so as to allow for viewing of the dust stored therein. Furthermore, dust bin tank 7 comprises a base 39 having a central aperture 40 for the exhaust duct 10 which meets the central cylindrical portion 35 of the bottom manifold portion 34. The central cylindrical portion 35 of the bottom portion 34 may comprise a grommet 41 for holding the microbial filter 11.
  • the base 39 may be hingedly coupled to the dustbin tank for opening for emptying.
  • FIG 17 there is shown a lid 47 inserted over the manifold arrangement 6.
  • Figure 18 shows the assembled manifold assembly 6 and dust bun tank 7.
  • the lid may comprise a handle 48.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)

Abstract

L'invention concerne un aspirateur cyclonique possédant un système de collecteur de séparation de poussière formant une pluralité de tubes tourbillonnaires en parallèle dans un circuit d'air, chaque tube tourbillonnaire comportant des tubes co-axiaux internes et externes et sensiblement tourbillonnaires tangentiels induisant des ailettes entre les tubes externes et internes, de telle sorte que chaque tube tourbillonnaire délimite : une entrée supérieure entre les extrémités supérieures des tubes internes et externes ; une sortie propre supérieure depuis l'intérieur de l'extrémité supérieure du tube interne ; une sortie inférieure de poussière entre les extrémités inférieures des tubes internes et externes ; et un diaphragme du cyclone à une extrémité inférieure du tube interne ; le système de collecteur étant disposé de sorte que chaque tube de turbulence est orienté sensiblement perpendiculairement et placé au-dessus d'une poubelle réservoir de façon à ce que l'air chargé de poussière entre dans les entrées du tube tourbillonnaire et se déplace axialement vers les aubes induisant un tourbillonnement et les ailettes induisant un tourbillonnement conférant un tourbillonnement tangentiel sur l'air de façon à former un tourbillon sensiblement au niveau du diaphragme du cyclone de sorte que la poussière migre vers l'extérieur formant une formation annulaire relativement chargée en poussière de telle sorte que la poussière tombe de la sortie inférieure du collecteur de poussière dans la poubelle réservoir située dessous et de l'air relativement exempt de poussière pénètre dans le diaphragme du cyclone et s'écoule axialement en retrait par les tubes internes et via les sorties supérieures.
PCT/AU2016/051151 2015-11-24 2016-11-24 Aspirateur cyclonique Ceased WO2017088022A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2016361458A AU2016361458B2 (en) 2015-11-24 2016-11-24 A cyclonic vacuum cleaner
CN201680068540.0A CN108289582A (zh) 2015-11-24 2016-11-24 旋风真空吸尘器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2015904843A AU2015904843A0 (en) 2015-11-24 A multipurpose vacuum cleaner and a swirl tube arrangement therefor
AU2015904843 2015-11-24

Publications (1)

Publication Number Publication Date
WO2017088022A1 true WO2017088022A1 (fr) 2017-06-01

Family

ID=58762870

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2016/051151 Ceased WO2017088022A1 (fr) 2015-11-24 2016-11-24 Aspirateur cyclonique

Country Status (3)

Country Link
CN (1) CN108289582A (fr)
AU (1) AU2016361458B2 (fr)
WO (1) WO2017088022A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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AU2016361458A1 (en) 2018-04-26
AU2016361458B2 (en) 2022-03-17
CN108289582A (zh) 2018-07-17

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