EP2635169B1 - Beutelloser staubsauger mit zyklonischer trennung - Google Patents

Beutelloser staubsauger mit zyklonischer trennung Download PDF

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Publication number
EP2635169B1
EP2635169B1 EP11787739.9A EP11787739A EP2635169B1 EP 2635169 B1 EP2635169 B1 EP 2635169B1 EP 11787739 A EP11787739 A EP 11787739A EP 2635169 B1 EP2635169 B1 EP 2635169B1
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EP
European Patent Office
Prior art keywords
vacuum cleaner
cleaner according
cover
container
connection
Prior art date
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Application number
EP11787739.9A
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English (en)
French (fr)
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EP2635169A1 (de
Inventor
Fabien David
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SEB SA
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SEB SA
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • 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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • 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

Definitions

  • the present invention relates to the technical field of vacuum cleaners used for the suction cleaning of an air flow causing dust and other waste in the vicinity of a suction head.
  • the invention relates more particularly to the field of bagless vacuum cleaners in which the separation between the exhaust air and the aspirated particles is essentially carried out by means of a cyclone system as opposed to vacuum cleaners in which the separation is carried out by filtration. .
  • a vacuum cleaner according to the preamble of claim 1 is already known for example from US Patent 20020088078 .
  • a bagless vacuum cleaner generally includes, as described by the document EP 1 361 815 , a primary cyclonic separation stage followed by a secondary cyclonic separation stage.
  • the recovery of the separated waste at the primary stage takes place at the separation chamber of said primary stage whose external body serves as a recovery tank, according to this document, the bulk of the volume, inside the outer body is occupied by the first separation stage and a part of the second separation stage so that the useful volume for the recovery of waste is relatively small.
  • the user must dismantle the assembly formed by the two filtration stages and then unlock a trap located at the bottom of the recovery tank.
  • Such an architecture has the drawbacks, on the one hand, of offering a limited space for the accumulation of waste separated from the sucked air and, on the other hand, of imposing the transport of the heavy and bulky assembly constituted by cyclonic separation systems and the recovery tank to the emptying site. Moreover, insofar as the accumulation of waste is carried out within the cyclonic separation device there is a risk that the waste separated by the primary system is re-aspirated to the secondary system.
  • WO2007 / 008772 has proposed a vacuum cleaner without waste bag by cyclonic system implementing a removable waste collection container located under the separator primary and separable thereof so as to be transported independently thereof to a place of waste dump.
  • a removable waste collection container located under the separator primary and separable thereof so as to be transported independently thereof to a place of waste dump.
  • a cover allows a transport of the recovery container with the lid in a closed position thus reducing the risk of spreading the accumulated waste outside. Once arrived at the place of emptying, it is possible to open the lid so as to clear the mouth of the removable container and thus make emptying easy.
  • the annular shape of the lid inlet section avoids during operation of the vacuum recirculation of waste that has accumulated in the removable collection container while allowing rather large waste to be able to enter the container easily.
  • the outer wall of the connecting duct diverges between the inlet section and the outlet section. This divergence of the outer wall of the connecting pipe helps to prevent the waste accumulated in the recovery container, on the one hand, are re-aspired and, on the other hand, do not escape during its transport when it has been removed from the vacuum cleaner.
  • the external diameter of the inlet section of the cover may be chosen to be smaller than the smallest dimension of the periphery or around the exit section of the cover. This increase in the external diameter of the connecting duct, between the inlet section and the outlet section, also makes it possible to reduce the air velocities and limit the recirculation of the waste.
  • the primary separator comprises a tubular body whose wall diverges before a zone of connection to the lid so that the tubular body has, in the connection zone, an internal diameter greater than the internal diameter of the tubular body outside the connection zone.
  • the zone of connection of the tubular body to the lid defines a kind of buffer zone which induces a slowing down of the air and which is able to retain the waste to prevent their recirculation before their path in the conduit connecting the lid to the recovery box.
  • the inlet section of the lid has a surface smaller than the surface of the outlet section of the lid located at the connection of the connecting duct to the removable container. Increasing the section of the connecting pipe between its input and the output allows to accentuate the reduction of the speed of the air in the recovery container and contributes to limit the risks of recirculation of the waste.
  • the outer body comprises a substantially cylindrical tubular upper part of axis ⁇ and a generally frustoconical lower part of axis ⁇ .
  • the core has a generally cylindrical or frustoconical shape of revolution of axis ⁇ .
  • the core is bonded to the body by a lateral tab.
  • the cover may comprise a deflector which extends from the connecting tongue inside the removable container.
  • This deflector is intended to prevent the waste being in the form of filaments such as for example textile threads, hair or hair, do not remain hooked during operation of the vacuum cleaner, the connecting tongue and form a cluster obstructing a good disposal of separated waste to the bottom of the recovery container.
  • the baffle may have a convex outer surface and have an end portion inclined towards the center of the removable container.
  • the deflector thus produced also has a non-return function or eddy and hinders the recirculation of waste accumulated at the bottom of the recovery container.
  • the core may comprise, in its lower region, a flat anti-backflow device flange.
  • the flange has a substantially annular overall shape with an outer diameter substantially equal to or greater than the outer diameter of the inlet section of the cover.
  • the core may be hollow and closed at its upper end located substantially at the inlet section of the lid.
  • the lid can be associated with the removable container being independent and completely separable from the latter. According to the invention, the lid can also be linked to the removable container.
  • the lid can then be articulated for example on the removable container so as to be rotatable between an open position and a closed position.
  • the vacuum cleaner comprises means for locking the lid in an at least partial closure position of the removable container.
  • a vacuum cleaner according to the invention as illustrated in FIG. figure 1 , comprises a frame 1 supported by wheels 2 facilitating movement of the vacuum cleaner during use.
  • the frame comprises a motor-fan unit 3 for generating a vacuum, an electric cable winder and control electronics as well as manual control members for controlling the operation of the vacuum cleaner.
  • the vacuum cleaner comprises a duct 4 providing a ventilation link between the motor-fan unit 3 and a separation assembly 5 so that the motor-fan unit establishes a depression during its operation.
  • the duct 4 may comprise, upstream of the motor-fan unit, a filtering medium 6, such as a foam, intended to trap the finest particles which would not have been separated from the air sucked by the separation assembly 5. .
  • the separation assembly 5 comprises a connecting mouth 7 of a suction brush, not shown, generally comprising a suction head adapted to the end of a rigid telescopic tube connected to the mouth 7 by a flexible tube so that the suction head is in ventilation connection with the motor-fan unit 3 via the separation assembly 5 and the duct 4.
  • the separating assembly 5 implements a principle of cyclonic separation of the waste and the sucked air.
  • the separation assembly 5 comprises downstream of the mouth 7 at least one and, according to the illustrated example, two stages 8 and 9 of cyclonic separation.
  • the first stage 8 comprises a primary separator 10 per cyclone while the second stage 9 comprises several secondary separators located downstream of the primary separator 10 and not visible in the figures. It should be noted that the implementation of a second cyclonic separation stage is not strictly necessary for the realization of a vacuum cleaner according to the invention.
  • the primary separator 10 comprises a tubular body 15 which delimits a generally frustoconical chamber of revolution of axis ⁇ whose external wall diverges downwards.
  • the mating mouth 7 of the brush is then connected to the body 15 by a conduit 16 which opens tangentially into the primary separator 10.
  • the first stage 8 also comprises in the center of the tubular body 15 a connecting tube 17 to the second separation stage 9.
  • the tube 17 has a low part with symmetry of revolution of axis ⁇ whose lower end is substantially frustoconical and converges downwards.
  • the air and the sucked waste arrive via the pipe 16 tangentially inside the primary separator 10 as shown by the arrow F1. It then creates a vortex down around the tube 17 as shown by the arrows F2.
  • the waste contained in the air, and especially the heavier, then tend to accumulate outwards in the lower part of the body 15 under the combined effect of centrifugal forces, the direction of air circulation and gravity.
  • the air sucked by the lower opening of the connecting tube 17 is then cleared of a large part of the waste that it contained until now.
  • the vacuum cleaner comprises a removable waste collection container 20 which is situated under the primary separator 10.
  • the container 20 can be removed from the vacuum cleaner by a user without the aid of tools, the same for the refitting of the container 20.
  • the container 20 is fitted under the primary separator 10 in a receiving housing arranged in the frame 1 being understood that any other mode of adaptation could be envisaged.
  • the container 20 is in the form of a bowl or tray made of plastic preferably at least partially transparent or translucent to allow the user to visually appreciate the filling.
  • the container 20 is equipped with a handle 21 in the form of a handle which facilitates handling.
  • the container 20 is associated with a movable lid 22 which provides the interface between the container 20 and the primary separator 10.
  • the cover 22 defines a connecting conduit 24 between the primary separator 10 and the container 20.
  • the cover 22 comprises a hollow outer body 25 with a substantially cylindrical upper portion 26 of revolution of axis ⁇ and a lower portion 27 of generally frustoconical shape of axis ⁇ .
  • the upper portion 26 has a cross section substantially circular while the lower portion 27 has at its widest region a cross section of generally rectangular shape with rounded corners.
  • the conformation of the upper 26 and lower 27 parts gives the hollow outer body 25 the general appearance of an inverted funnel.
  • the outer body 25 is connected to the container 20 by a hinge 28 so that the lid 22 is rotatable between a closed position, as illustrated in FIGS. figures 2 and 3 , and an open position as illustrated in figure 4 .
  • connection means for connecting the cover 22 with, on the one hand, the primary separator 10 and, on the other hand, the container 20 which are adapted to achieve a substantially airtight connection can be made in any appropriate manner.
  • the connection means between the primary separator 10 and the cover 22 are formed by the circular mouth of the upper portion 26 which is intended to bear against a shoulder 29 provided by a lower end of the body 15 so as to achieve the substantially airtight connection. In order to perfect this seal, a seal can be implemented at the level of the shoulder 29.
  • the means for connecting the lid 22 to the container 20 comprise a peripheral groove 30 arranged at the lower periphery of the lower portion 27 of the outer body 25.
  • the peripheral groove 30 is intended to receive a seal , not shown, intended to bear on a peripheral rim 31 arranged around the opening of the container 20.
  • the inlet section 34 of the duct 24, defined by the cover 22, has at its connection to the primary separator 10 a generally annular shape, as shown in FIG. figure 3 , and coaxial with the ⁇ axis, as Figures 1 and 2 .
  • the cover 22 comprises a core 36 which is located inside the body 25 and partially closes the volume so as to define the connecting duct 24 which has a generally annular shape being situated between the core 36 and the body 25.
  • the connecting duct 24 therefore extends all around the core 36.
  • the core 36 is hollow and is closed at its upper end located substantially at the inlet section 34 of the cover 22.
  • the core 36 here has a frustoconical tubular conformation converging upwards.
  • the inlet section 34 has a lower surface than the surface of the outlet section 35 of the conduit 24 located at the connection thereof with the container 20.
  • the outer wall of the connecting duct 24, defined by the inner wall of the body 25 diverges between the inlet section 34 and the outlet section 35. According to the illustrated example, the divergence of the outer wall of the connecting pipe 24 is such that the inlet section 34 has a diameter d smaller than the smallest dimension D 1 of the periphery of the outlet section 35.
  • the core 36 is further rigidly connected to the outer body 25 by at least one and, according to the example shown, only a connecting tongue 37 whose rigidity ensures a perfect positioning of the core 36 coxially to the axis ⁇ .
  • the annular shape of the inlet section 34 of the duct 24 is particularly suitable for the recovery of particles which are naturally projected outwards under the effect of the centrifugal forces induced by the vortex of the duct. cyclone of the primary separator 10.
  • the annular shape of the conduit 24, defined by the cover 22, prevents a viscous coupling between the air contained in the container 20 and the vortex air inside the primary separator 10
  • the appearance of eddies within the container 20 is limited, which avoids a reintroduction into the primary separator 10 of the dust and waste that will have accumulated in the container 20.
  • the widening of the duct 24 or its increase of section since the primary separator 10 to the container 20 contributes to a slowing of the air also reducing the risks of coupling and eddy.
  • the latter is associated with a deflector 38 which extends from said connecting tongue 37 inside the container.
  • the deflector 38 has a convex outer surface and has an end portion inclined towards the direction of the removable container as shown in FIG. figure 4 .
  • the deflector 38 also has an anti-backflow function by preventing the creation of a circular air movement inside the container 20.
  • the core 36 comprises, according to the example illustrated, in its lower region a flat collar 40 against the backflow.
  • This flange 40 is coplanar with the connecting tongue 37 and has a general shape substantially annular except for the region corresponding to the tongue 37.
  • the flange 40 has an outer diameter D substantially equal to or greater than the outer diameter d of the inlet section of the cover as shows it figure 2 .
  • the implementation of the cover 22 thus formed as an interface between the primary separator 10 and the container 20 during the operation of the vacuum optimizes the recovery of waste while reducing the risk of recirculation of these latter.
  • the cover 22 avoids, by providing a reduced inlet section relative to the maximum section of the container 20, the waste accumulated in the latter does not escape unexpectedly .
  • the user can by opening the lid 22 largely open the opening of the container 20 and easily remove the accumulated waste for example by turning the container 20 over a trash can.
  • locking means 41 comprising, for example, an elastically deformable hook system.
  • the cover 22 is hinged to the container 20 by means of a hinge however, it could be envisaged that the cover 22 is simply fitted on the container 20 and can thus be completely separated.
  • the portion 45 of the wall of the tubular body 15, located before the zone of connection to the cover 22, diverges, more strongly than in the other regions of the body 15, so that the zone of The connection or lower part of the body 15 has an internal diameter greater than the internal diameter of the tubular body outside the connection zone.
  • a kind of buffer zone 46 which induces a slowing down of the air and which is able to retain the waste to prevent recirculation before entering the conduit connecting the lid to the recovery tank.

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

Claims (17)

  1. Staubsauger mit einer Schmutzabscheideeinheit, die Folgendes umfasst:
    - mindestens eine Zyklonabscheidestufe (8), die einen primären Zyklonabscheider (10) mit einer Längsachse Δ umfasst,
    - einen abnehmbaren Behälter (20) zum Auffangen des Schmutzes, welcher unter dem primären Abscheider (10) angeordnet ist,
    wobei der abnehmbare Behälter (20) zum Auffangen des Schmutzes mit einem beweglichen Deckel (22) verbunden ist, dadurch gekennzeichnet, dass der bewegliche Deckel (22) einen Verbindungskanal (24) zwischen dem primären Abscheider (10) und dem abnehmbaren Behälter (20) definiert, wobei der Verbindungskanal (24) auf Höhe seines Anschlusses an den primären Abscheider (10) einen im Allgemeinen ringförmigen Eingangsquerschnitt (34) koaxial zur Achse Δ aufweist.
  2. Staubsauger nach Anspruch 1, dadurch gekennzeichnet, dass die äußere Wand des Verbindungskanals (24) zwischen dem Eingangsquerschnitt (34) und dem Ausgangsquerschnitt (35) divergiert.
  3. Staubsauger nach Anspruch 2, dadurch gekennzeichnet, dass der Außendurchmesser (d) des Eingangsquerschnitts (34) des Deckels kleiner als das kleinste Maß des Umfangs oder Außenrandes des Ausgangsquerschnitts (35) ist.
  4. Staubsauger nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der primäre Abscheider (10) einen rohrförmigen Körper (15) umfasst, dessen Wand (45) vor einem Bereich zum Anschluss an den Deckel (22) derart divergiert, dass der rohrförmige Körper in dem Anschlussbereich einen Innendurchmesser aufweist, der größer als der Innendurchmesser des rohrförmigen Körpers außerhalb des Anschlussbereichs ist.
  5. Staubsauger nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Eingangsquerschnitt (34) des Deckels (22) eine unter der Fläche des Ausgangsquerschnitts (35) des Deckels liegende Fläche aufweist, die sich auf Höhe des Anschlusses des Verbindungskanals (24) an den abnehmbaren Behälter (20) befindet.
  6. Staubsauger nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der Deckel Folgendes umfasst:
    - einen hohlen äußeren Körper (25), dessen oberes Ende Mittel zum Anschluss an den primären Abscheider (10) umfasst und dessen unteres Ende Mittel zum Anschluss an den abnehmbaren Behälter (20) umfasst,
    - einen Kern (36), der sich in dem äußeren Körper (25) befindet und mit dem äußeren Körper (25) den Verbindungskanal (24) begrenzt, der zwischen dem Kern und dem äußeren Körper verläuft.
  7. Staubsauger nach Anspruch 6, dadurch gekennzeichnet, dass der äußere Körper ein rohrförmiges, im Wesentlichen zylindrisches Oberteil (26) mit einer Achse Δ und ein im Allgemeinen kegelstumpfförmiges Unterteil (27) mit einer Achse Δ umfasst.
  8. Staubsauger nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass der Kern (36) im Allgemeinen zylindrisch oder kegelstumpfförmig mit einer Drehachse Δ ist.
  9. Staubsauger nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, dass der Kern (36) mit dem Körper durch eine seitliche Lasche (37) verbunden ist.
  10. Staubsauger nach Anspruch 9, dadurch gekennzeichnet, dass der Deckel (22) einen Abweiser (38) umfasst, der sich von der Verbindungslasche (37) ausgehend in das Innere des abnehmbaren Behälters (20) erstreckt.
  11. Staubsauger nach Anspruch 10, dadurch gekennzeichnet, dass der Abweiser (38) eine konvexe Außenfläche aufweist und über einen zur Mitte des abnehmbaren Behälters (20) hin geneigten Endabschnitt verfügt.
  12. Staubsauger nach einem der Ansprüche 6 bis 11, dadurch gekennzeichnet, dass der Kern (36) in seinem unteren Bereich einen umlaufenden ebenen Flansch (40) umfasst, der eine Rückströmung verhindert.
  13. Staubsauger nach Anspruch 12, dadurch gekennzeichnet, dass der Flansch (40) im Allgemeinen im Wesentlichen ringförmig mit einem Außendurchmesser (D) ist, der im Wesentlichen mindestens dem Außendurchmesser (d) des Eingangsquerschnitts (34) des Deckels (22) entspricht.
  14. Staubsauger nach einem der Ansprüche 6 bis 13, dadurch gekennzeichnet, dass der Kern (36) hohl und auf Höhe seines oberen Endes, das sich im Wesentlichen auf Höhe des Eingangsquerschnitts (34) des Deckels befindet, verschlossen ist.
  15. Staubsauger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Deckel (22) mit dem abnehmbaren Behälter (20) verbunden ist.
  16. Staubsauger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Deckel (22) auf dem abnehmbaren Behälter (20) gelenkig befestigt ist, sodass er zwischen einer geöffneten Stellung und einer geschlossenen Stellung gedreht werden kann.
  17. Staubsauger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass er Mittel (41) zur Verriegelung des Deckels in einer zumindest teilweise den abnehmbaren Behälter (20) verschließenden Stellung umfasst.
EP11787739.9A 2010-11-04 2011-10-26 Beutelloser staubsauger mit zyklonischer trennung Active EP2635169B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1059111A FR2967044B1 (fr) 2010-11-04 2010-11-04 Aspirateur sans sac a separation cyclonique
PCT/FR2011/052500 WO2012059666A1 (fr) 2010-11-04 2011-10-26 Aspirateur sans sac a separation cyclonique

Publications (2)

Publication Number Publication Date
EP2635169A1 EP2635169A1 (de) 2013-09-11
EP2635169B1 true EP2635169B1 (de) 2015-07-08

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Application Number Title Priority Date Filing Date
EP11787739.9A Active EP2635169B1 (de) 2010-11-04 2011-10-26 Beutelloser staubsauger mit zyklonischer trennung

Country Status (7)

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EP (1) EP2635169B1 (de)
KR (1) KR101829492B1 (de)
CN (1) CN103188979B (de)
ES (1) ES2549043T3 (de)
FR (1) FR2967044B1 (de)
PT (1) PT2635169E (de)
WO (1) WO2012059666A1 (de)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101414656B1 (ko) * 2012-08-31 2014-07-03 엘지전자 주식회사 진공청소기

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100398684B1 (ko) * 2000-11-27 2003-09-19 삼성광주전자 주식회사 진공청소기의 사이클론 집진장치
KR100437369B1 (ko) * 2001-01-10 2004-06-25 삼성광주전자 주식회사 진공청소기의 사이클론 집진장치
US6974488B2 (en) 2001-02-24 2005-12-13 Dyson Limited Vacuum cleaner
KR100661341B1 (ko) * 2004-05-14 2006-12-27 삼성광주전자 주식회사 사이클론 집진장치 및 이를 포함한 진공청소기
US6992470B1 (en) 2004-06-30 2006-01-31 Giga-Byte Technology Co., Ltd. Switching power supply system for automatically regulating circuit operating frequency and method thereof
KR100635667B1 (ko) 2004-10-29 2006-10-17 엘지전자 주식회사 진공청소기의 집진어셈블리
US7547336B2 (en) * 2004-12-13 2009-06-16 Bissell Homecare, Inc. Vacuum cleaner with multiple cyclonic dirt separators and bottom discharge dirt cup
WO2007008772A2 (en) 2005-07-12 2007-01-18 Bissell Homecare, Inc. Vacuum cleaner with cyclonic dirt separation and vortex stabilizer

Also Published As

Publication number Publication date
CN103188979B (zh) 2016-03-09
KR20130141571A (ko) 2013-12-26
CN103188979A (zh) 2013-07-03
KR101829492B1 (ko) 2018-02-14
EP2635169A1 (de) 2013-09-11
ES2549043T3 (es) 2015-10-22
FR2967044B1 (fr) 2012-11-16
PT2635169E (pt) 2015-10-22
WO2012059666A1 (fr) 2012-05-10
FR2967044A1 (fr) 2012-05-11

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