EP3210514B1 - Anti-rückführungsvorrichtung - Google Patents

Anti-rückführungsvorrichtung Download PDF

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Publication number
EP3210514B1
EP3210514B1 EP17157734.9A EP17157734A EP3210514B1 EP 3210514 B1 EP3210514 B1 EP 3210514B1 EP 17157734 A EP17157734 A EP 17157734A EP 3210514 B1 EP3210514 B1 EP 3210514B1
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EP
European Patent Office
Prior art keywords
base
deflector
separation device
vacuum cleaner
waste
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP17157734.9A
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English (en)
French (fr)
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EP3210514A1 (de
Inventor
Fabien David
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEB SA
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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
    • 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
    • A47L9/1691—Mounting or coupling means for cyclonic chamber or dust receptacles

Definitions

  • the field of the invention is in bagless vacuum cleaners comprising a so-called "cyclonic" waste separation device.
  • the invention more particularly relates to a device for reducing the recirculation of waste to increase the separation efficiency.
  • a cyclonic circulation device for vacuum cleaner is known for example from EP-A-2540206 .
  • the simplest is a rib that is positioned at the base of a grid of a separator.
  • the grid can have various forms depending on the separator. For example one can find ribs in the form of a washer.
  • This solution can also be declined with a cylindrical rib to be added to the outer diameter or in the continuity of the diameter of the gate of the separator.
  • ribs in the form of a grid (perforated grid, or overmolded grid) for trapping the waste when they go back towards the separator.
  • Simpler solutions can increase efficiency without increasing the risk of clogging waste and without increasing the cost, it is enough to reduce the distance between the deflector and the outer diameter of the separator enough to isolate the zone. separation of the storage area.
  • This solution has the disadvantage of limiting the passage of some bulky waste such as candy papers for example.
  • the object of the invention is to increase the efficiency of the device as can be have a grid at the rib but reducing the risk of trapping waste such as hair that is difficult to remove when emptying for a perforated grid.
  • the emptying is facilitated because it limits the attachment of fibers against this solution is more expensive.
  • the general principle is to have a set of specific ribs at the level of the deflector to retain the waste when they go back to the separator without causing too much waste dump.
  • a first aspect of the invention concerns a cyclonic separation device for vacuum cleaner, said cyclonic separation device comprises a separator comprising openings, a baffle and a cover connected respectively to the ends of the separator, and the invention is characterized in that the deflector is composed of a flat base connected to the separator and a cylinder flange which extends from the base and in a direction opposite to that of the separator, said flange cylinder extends on the periphery of the base.
  • the advantage of having a deflector with such a construction is that the cylinder flange can accentuate the delimitation between a separating zone and a storage area but the cylinder flange also allows to define an internal volume within a container at center of this cylinder where the most volatile waste will be able to store itself.
  • the base comprises a peripheral edge and the flange extends up to the peripheral edge and perpendicular to the base.
  • the flange comprises a free edge and this free edge has a sinusoidal profile.
  • the advantage of having such a wave-shaped profile is to increase the ability to storing waste in a bin without compromising efficiency.
  • the deflector comprises at least one axial rib, the axial rib extends from the base in a direction substantially radial and perpendicular to the base and said axial rib extends from the periphery of the base towards the base. the center of said base.
  • the axial ribs make it possible to create another larger zone where the air velocities are very low in order to favor the retention of other volatile waste often more cumbersome, thus favoring the appearance of a storage primer on which will gradually come accumulate new waste entering the storage area.
  • the deflector comprises at least one peripheral rib which extends from the base and perpendicular to it.
  • peripheral ribs are to create zones where air velocities will be very low, which favors a stable retention of volatile waste.
  • the recovery of the waste being close to the cylindrical rib, the peripheral ribs are preferably present around this cylinder.
  • the cyclonic separation device comprises a container composed of a bottom and an enclosure delimited at the top by a peripheral upper edge, said container cooperating with the cap at the peripheral upper edge and forming a closed cavity which contains the separator and the baffle, and said cavity comprises a waste separation zone and a waste storage zone, said waste storage zone is delimited by the bottom of the container and by the base of the baffle.
  • This type of device therefore makes it possible to increase the separation efficiency by reducing the risk of the waste returning to the separator without presenting the risk of catching grid waste or edentulous ribs and without adding additional cost.
  • the distance between the cylindrical flange and the enclosure of the container is between 1 cm and 3 cm and is preferably 1, 5 cm.
  • This type of configuration helps to promote the transfer of waste to the bottom of the tray.
  • the bottom of the container comprises a rib which extends from the bottom towards the deflector and said rib extends between 5 and 10 cm from the bottom, and preferably 8 cm.
  • Such a rib makes it possible to limit the height of the axial ribs with a deep bottom of tank to have a large volume of storage.
  • the base of the deflector is a disk.
  • the interest is to have a simple part geometry which induces a simplicity of construction and integration in a product.
  • a second aspect of the invention relates to a cyclonic suction aspirator which comprises a motor intended to create an air flow in a ventilation circuit, and said aspirator comprises a cyclonic separating device as described above which is connected with air with said aeraulic circuit.
  • the interest is to have a vacuum cleaner that increases the suction efficiency without increasing the risk of attachment of waste, such as hair, and without increasing the cost of manufacture.
  • the figure 1 represents a cyclonic vacuum cleaner 19 which comprises a motor 20 positioned in a main body.
  • a hose 22 is connected to the main body at an air inlet 23.
  • the main body comprises a first channel 24 which is in ventilation connection with the hose 22 at the inlet 23 of air.
  • the vacuum cleaner 19 comprises a cyclonic separating device 1 which is positioned on the main body.
  • This cyclonic separating device 1 is releasably positioned on the main body and is connected in aeraulic manner with the first channel 24 at an air intake opening 25 and is also in connection with a second channel 26. positioned on the main body at an outlet opening 27.
  • the hose 22, the first channel 24, the cyclonic separating device 1, and the second channel 26 are connected in aeraulic connection and the assembly forms a ventilation circuit 21 in which air can circulate.
  • the cyclonic separating device 1 represented on the figure 2 , comprises a separator 2, a deflector 4 and a cover 5.
  • the separator 2 substantially forms a cylinder which comprises openings 3 for the filtration of air.
  • the cylinder formed by the separator 2 comprises two ends and the deflector 4 is connected to a first end of the separator 2 while the cover 5 is connected to the other end of the separator 2.
  • the cyclonic separating device 1 also comprises a container 12 and a bottom 13 which delimit an enclosure 14.
  • the container 12 comprises a peripheral upper edge 15 and the enclosure 14 is delimited by this peripheral upper edge 15.
  • Said container 12 cooperates with the cover 5 at the peripheral upper edge 15 and forms a closed cavity which contains the separator 2 and the deflector 4, and said cavity comprises a zone separating waste 16 and a waste storage area 17.
  • the deflector 4 makes it possible to influence the airflows that pass through the ventilation circuit 21.
  • it is composed of a base 6.
  • This base 6 makes it possible to delimit two zones including the separation zone 16 of the waste, which is located above the base 6, and the storage area 17 of the waste, which is located below the base 6.
  • the base 6 is in the form of a disk and is connected orthogonally to the separator 2.
  • the center of the The circle formed by the base 6 substantially coincides with the axis of revolution of the cylinder formed by the separator 2.
  • the deflector 4 further comprises a cylindrical collar 7 which extends from the base 6 and in a direction which is opposite to that of the separator 2, that is to say in the storage area 17.
  • the cylindrical collar 7 comprises a free edge 9 and this free edge 9 has a wave-shaped sinusoidal profile.
  • the base 6 includes a peripheral edge 8 which is located at the end of the disc.
  • the flange 7 extends from the base 6 at the height of the peripheral edge 8 and perpendicularly to the base 6. It extends over the entire perimeter of the base 6.
  • the deflector 4 is composed of axial ribs 10 and peripheral ribs 11 which are positioned on the base 6 in the waste storage area 17.
  • the axial ribs extend from the base 6 in a direction substantially radial and perpendicular to the base 6. In addition they extend from the peripheral edge 8 of the base 6 towards the center of the base 6 axisymmetrically.
  • the deflector 4 comprises six axial ribs which are axially spaced from each other at an angle of 60 ° along the axis of revolution of the cylinder formed by the separator 2, so that the axial ribs 10 which are opposite are in the same plane.
  • the six axial ribs meet at the center of the base 6.
  • the axial ribs have a wave-shaped profile which includes a upper end 40 which descends lower than the free edge 9 of the flange 7.
  • the peripheral ribs 11 extend from the base 6 and perpendicular thereto. According to the invention they are six in number and are also regularly spaced at an angle of 60 ° axisymmetrically along the axis of revolution of the cylinder formed by the separator 2. They also have a wave-shaped profile with a upper end 41. This upper end 41 does not exceed the height of the flange 7, that is to say the free edge 9 thereof.
  • the bottom 13 also comprises a rib 18 which extends on the perimeter of the bottom 13.
  • the shape of the profile of this rib 18 is a wave which comprises end points 43 which are oriented towards the base 6.
  • the height of the rib 18 is between 5 cm, at the lowest points of the wave, and 10 cm at the extreme points 43 of the wave and this height extends from the bottom 13 of the container 12.
  • the end points 43 are 8 cm high in the scope of the invention.
  • the cylindrical flange 7 and the enclosure 14 of the container 12 are spaced apart by a distance (h) and this distance (h) is between 1 cm and 3 cm. In the context of the invention this distance is 1, 5 cm.
  • the axial ribs, and in particular the upper ends 40, descend deeply towards the bottom 13 of the container 12 in order to favor the transfer of waste to the bottom 13 of the container 12. In other words they have a reduced distance from the bottom 13 of the container 12 to promote the blockage of waste in the storage area 17 without completely blocking the movements of those so that the filling is as homogeneous as possible.
  • the axial ribs may have a recessed shape in a central zone of the container 12. This makes it possible to promote the storage of waste in this zone but also to optimize the storage capacity of the waste.
  • the profile of the axial rib 10 has a decreasing height. Height is understood to mean the distance between the base 6 and the point positioned orthogonally to the base 6 and on the profile. In the same way starting from the upper end 40 and approaching the enclosure 14, the profile of the axial rib 10 has a decreasing height.
  • the peripheral ribs 11 have substantially the same shape as the axial ribs with the difference that they do not meet at the center of the base 6.
  • the peripheral ribs 11 are added to create zones where the velocities air will be very weak. This promotes a stable hold of volatile waste.
  • the rise of waste being near the flange 7, the peripheral ribs 11 are preferably present around the cylinder formed by it.
  • the motor 20 creates a flow of air in the ventilation circuit 21, and the air is sucked at a nozzle 30 positioned on the hose 22 and it leaves at the main body after having circulated in the cyclonic separation device 1.
  • the air enters through the air inlet opening 25 and is then discharged at the outlet opening 27 after having been filtered by said cyclonic separating device 1.
  • the air Once the air enters through the air inlet opening, it is in the waste separation zone 16 and can pass into the storage area 17. As the air has a rotational speed high, this tends to go up the waste from which the interest of the deflector 4 which slows the air in the storage area 17.
  • the rib 18 in the bottom 13 of the container 12 limits the height of the axial ribs 10 while having a large storage volume. It also makes it possible to obtain an axisymmetry of the air flows in the case where the bottom 13 of the container 12 has a particular non-axisymmetric shape which could, in particular, encourage the return of the waste towards the separation zone 16 by creating a springboard effect when of the rotary flow at the bottom 13 of the container 12.
  • the air once filtered waste passes through the openings 3 of the separator 2 and then passes at the outlet opening 27 so as to be removed from the main body of the vacuum cleaner.
  • this type of baffle 4 makes it possible to increase the separation efficiency by reducing the risk of the return of the waste towards the separator 2 without affecting the passage of bulky waste, without presenting the risk of catching waste of a grid or edentulous veins and without adding extra cost.

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

Claims (9)

  1. Zyklonabscheidevorrichtung (1) für einen Staubsauger, wobei die Zyklonabscheidevorrichtung (1) einen Abscheider (2), der Öffnungen (3) umfasst, einen Deflektor (4) und eine Abdeckung (5) umfasst, die jeweils mit den Enden des Abscheiders (2) verbunden sind, wobei der Deflektor (4) aus einer flachen Basis (6), die mit dem Abscheider (2) verbunden ist, und einem zylindrischen Flansch (7) besteht, der sich von der Basis (6) aus und in einer Richtung erstreckt, welches derjenigen des Abscheiders (2) entgegengesetzt ist, wobei sich der zylindrische Flansch (7) um den Umfang der Basis (6) herum erstreckt, wobei der Flansch (7) eine freie Kante (9) umfasst, und dadurch gekennzeichnet, dass diese freie Kante (9) ein sinusförmiges Profil hat.
  2. Zyklonabscheidevorrichtung (1) für einen Staubsauger nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Basis (6) eine Umfangskante (8) umfasst, und dass sich der Flansch (7) auf der Höhe der Umfangskante (8) und senkrecht zu der Basis (6) erstreckt.
  3. Zyklonabscheidevorrichtung (1) für einen Staubsauger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Deflektor (4) mindestens eine axiale Rippe (10) umfasst, wobei sich die axiale Rippe (10) von der Basis (6) in einer Richtung im Wesentlichen radial und senkrecht zu der Basis (6) erstreckt, und wobei sich die axiale Rippe (10) von dem Umfang der Basis (6) zu der Mitte der Basis (6) erstreckt.
  4. Zyklonabscheidevorrichtung (1) für einen Staubsauger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Deflektor (4) mindestens eine Umfangsrippe (11) umfasst, die sich von der Basis (6) und senkrecht zu dieser erstreckt.
  5. Zyklonabscheidevorrichtung (1) für einen Staubsauger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie einen Behälter (12) umfasst, der aus einem Boden (13) und einem im oberen Teil durch eine obere Umfangskante (15) begrenztes Gehäuse (14) besteht, wobei der Behälter (12) mit der Abdeckung (5) an der oberen Umfangskante (15) zusammenwirkt und einen geschlossenen Hohlraum bildet, der den Abscheider (2) und den Deflektor (4) enthält, und wobei der Hohlraum einen Abfallabscheidebereich (16) und einen Abfallspeicherbereich (17) umfasst, wobei der Abfallspeicherbereich (17) durch den Boden (13) des Behälters (12) und durch die Basis (6) des Deflektors (4) begrenzt ist.
  6. Zyklonabscheidevorrichtung (1) für einen Staubsauger nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass der Abstand (h) zwischen dem zylindrischen Flansch (7) und dem Gehäuse (14) des Behälters (12) zwischen 1 cm und 3 cm und vorzugsweise 1,5 cm beträgt.
  7. Zyklonabscheidevorrichtung (1) für einen Staubsauger nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass der Boden (13) des Behälters (12) eine Rippe (18) umfasst, die sich von dem Boden (13) zu dem Deflektor (4) erstreckt, und dass sich die Rippe (18) zwischen 5 und 10 cm von dem Boden und vorzugsweise 8 cm erstreckt.
  8. Zyklonabscheidevorrichtung (1) für einen Staubsauger nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Basis (6) des Deflektors (4) eine Scheibe ist.
  9. Staubsauger (19) mit Zyklonabsaugung, umfassend einen Motor (20), der dazu bestimmt ist, einen Luftstrom in einem Aeraulikkreislauf (21) zu erzeugen, dadurch gekennzeichnet, dass er eine Zyklonabscheidevorrichtung (1) wie in den Ansprüchen 1 bis 8 beansprucht umfasst, die in Aeraulikverbindung mit dem Aeraulikkreislauf (21) steht.
EP17157734.9A 2016-02-26 2017-02-23 Anti-rückführungsvorrichtung Active EP3210514B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1651636A FR3048172B1 (fr) 2016-02-26 2016-02-26 Dispositif anti-recirculation

Publications (2)

Publication Number Publication Date
EP3210514A1 EP3210514A1 (de) 2017-08-30
EP3210514B1 true EP3210514B1 (de) 2018-12-19

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ID=56801626

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17157734.9A Active EP3210514B1 (de) 2016-02-26 2017-02-23 Anti-rückführungsvorrichtung

Country Status (5)

Country Link
EP (1) EP3210514B1 (de)
CN (2) CN107126153B (de)
ES (1) ES2707349T3 (de)
FR (1) FR3048172B1 (de)
TR (1) TR201900439T4 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3048172B1 (fr) * 2016-02-26 2018-06-22 Seb Sa Dispositif anti-recirculation

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9817071D0 (en) * 1997-11-04 1998-10-07 Bhr Group Ltd Cyclone separator
JP2004105805A (ja) * 2002-09-13 2004-04-08 Sharp Corp 還流式分離器
US7632324B2 (en) * 2006-05-18 2009-12-15 Royal Appliance Mfg. Co. Single stage cyclone vacuum cleaner
KR20090118794A (ko) * 2008-05-14 2009-11-18 삼성광주전자 주식회사 사이클론 집진장치
CN102858218B (zh) * 2010-02-26 2015-08-26 株式会社东芝 灰尘分离收集装置和电动真空吸尘器
US8533903B2 (en) * 2010-03-19 2013-09-17 Panasonic Corporation Of North America Dirt cup assembly with a pre-filter having a plurality of ribs
FR3048172B1 (fr) * 2016-02-26 2018-06-22 Seb Sa Dispositif anti-recirculation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
TR201900439T4 (tr) 2019-02-21
EP3210514A1 (de) 2017-08-30
FR3048172A1 (fr) 2017-09-01
FR3048172B1 (fr) 2018-06-22
CN207152541U (zh) 2018-03-30
CN107126153A (zh) 2017-09-05
ES2707349T3 (es) 2019-04-03
CN107126153B (zh) 2020-12-04

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