EP3662803B1 - Hausstaubsauger, der mit einem schallabsorptionselement ausgestattet ist - Google Patents

Hausstaubsauger, der mit einem schallabsorptionselement ausgestattet ist Download PDF

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Publication number
EP3662803B1
EP3662803B1 EP19210502.1A EP19210502A EP3662803B1 EP 3662803 B1 EP3662803 B1 EP 3662803B1 EP 19210502 A EP19210502 A EP 19210502A EP 3662803 B1 EP3662803 B1 EP 3662803B1
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EP
European Patent Office
Prior art keywords
absorption element
vacuum cleaner
air
acoustic absorption
air outlet
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Application number
EP19210502.1A
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English (en)
French (fr)
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EP3662803A1 (de
Inventor
Antoine MARTI
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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
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/106—Dust removal
    • 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

Definitions

  • the present invention relates to the field of household vacuum cleaners making it possible to suck up dust and waste of small particle size present on a surface to be cleaned, which may for example be tiles, parquet, laminate, carpet or a carpet.
  • the sound absorption element of such a household vacuum cleaner is more particularly arranged such that part of the sound absorption element protrudes into the air stream and disturbs the flow of air flowing. in the air stream.
  • the sound absorption element reduces the section of passage of the air flow in the air stream and generates turbulence in the air flow flowing in the air stream.
  • the present invention aims to remedy all or part of these drawbacks.
  • the technical problem underlying the invention consists in particular in providing a domestic vacuum cleaner which has improved aeraulic performance, while ensuring optimum acoustic performance.
  • the particular arrangement of the acoustic absorption element with respect to the flow guide wall makes it possible to increase the passage section of the air stream at the level of the acoustic absorption element and not to disturb the flow. air flow flowing in the air stream, and therefore to significantly limit the pressure drops generated by the domestic vacuum cleaner.
  • the domestic vacuum cleaner according to the invention has improved aeraulic performance compared to domestic vacuum cleaners of the prior art, while having optimal acoustic performance.
  • the household vacuum cleaner may further have one or more of the following characteristics, taken alone or in combination.
  • the flow guide wall adjoins an upper edge of the sound absorption element.
  • the acoustic absorption element is an acoustic foam.
  • the air stream is located downstream of the filtration device.
  • the air stream is delimited at least in part by the body and the internal surface of the sound absorption element.
  • the flow guide wall extends substantially parallel to the longitudinal axis of the suction motor.
  • the body defines an internal recess in which the sound absorption element is placed, the internal recess having a thickness corresponding substantially to the thickness of the sound absorption element.
  • the internal surface of the sound absorption element extends in the extension of the flow guide wall.
  • the domestic vacuum cleaner comprises a device for separating and storing waste located upstream of the suction motor, the air outlet opening being oriented towards the device for separating and collecting. waste storage.
  • the device for separating and storing waste is removable.
  • the waste separation and storage device comprises a waste storage container, and a separator filter housed in the waste storage container.
  • the body comprises an internal connecting duct configured to fluidly connect the cleaning head to an air inlet of the device for separating and storing waste.
  • the body and the device for separating and storing waste delimit a space into which the air outlet opening opens and through which circulates the flow of air discharged to the exterior of the body.
  • the body has a plurality of air outlet openings.
  • the internal surface of the acoustic absorption element is greater than 30 cm 2 , and preferably greater than 50 cm 2 .
  • the sound absorption element has a thickness between 5 and 15 mm.
  • the domestic vacuum cleaner further comprises a motor casing comprising a passage opening and delimiting an internal housing in which the suction motor is disposed, the suction motor comprising an opening d 'air inlet and being configured such that the generated suction flow flows through the passage opening and the air inlet opening.
  • the motor casing is arranged in the body.
  • the motor housing comprises a support supporting the suction motor, the passage opening being provided on the support.
  • the support comprises the flow guide wall.
  • the filtration device is located downstream of the suction motor.
  • the filtration device is mounted on the engine casing.
  • the motor casing comprises a fairing defining the internal housing in which the suction motor is mounted.
  • the fairing comprises a mounting opening opening into the internal housing and through which the suction motor is mounted in the internal housing.
  • the support and the fairing are assembled to one another.
  • the support is configured to close the mounting opening.
  • the fairing comprises an air outlet and a protective grid which is located between the air outlet and the engine. suction.
  • the domestic vacuum cleaner is configured such that, when the longitudinal axis of the suction motor is substantially vertical and the air inlet opening is oriented towards the ground, the support and the sound-absorbing element are located below the suction motor.
  • the filtration device is placed opposite the protective grid, and is for example applied against the protective grid.
  • the household vacuum cleaner is a stick vacuum cleaner.
  • the longitudinal axis of the suction motor is substantially parallel to the longitudinal axis of a handle of the stick vacuum cleaner.
  • the suction motor comprises a fan and an electric motor configured to drive the fan in rotation.
  • the figure 1 shows a domestic vacuum cleaner 2, and more particularly a stick vacuum cleaner, comprising a handle 3 and a cleaning head 4, also called a nozzle, for example of generally triangular shape, which is arranged to be in contact with a floor to be cleaned and which is connected to the handle 3 by means of a connecting part 5.
  • a domestic vacuum cleaner 2 and more particularly a stick vacuum cleaner, comprising a handle 3 and a cleaning head 4, also called a nozzle, for example of generally triangular shape, which is arranged to be in contact with a floor to be cleaned and which is connected to the handle 3 by means of a connecting part 5.
  • the handle 3 comprises in particular a handle 6 at its upper end and a body 7 at its lower part.
  • the handle 3 is advantageously articulated according to several degrees of freedom with respect to the cleaning head 4 and can be directly manipulated by a user in the manner of a broom, in order to move the cleaning head 4 on the floor to be cleaned.
  • the domestic vacuum cleaner 2 further comprises a device for separating and storing waste 8 which is removably mounted on the handle 3, and in particular on the body 7, in order to be able to be cleaned.
  • the waste separation and storage device 8 comprises in particular a waste storage container 9, and a separator filter 11 housed in the waste storage container 9.
  • the body 7 comprises a internal connecting duct 12 (see figure 3 ) configured to fluidly connect the cleaning head 4 to an air inlet 13 of the waste separation and storage device 8.
  • the body 7 contains a suction device 14 which comprises a motor housing 15 and a suction motor 16, also named motor fan, arranged in the motor housing 15 and configured to generate an air flow through the cleaning head 4.
  • the domestic vacuum cleaner 2 further comprises a rechargeable battery (not shown in the figures) configured to electrically power the suction motor 16.
  • the rechargeable battery can be housed in the body 7 or in any other part of the handle 3.
  • the motor housing 15 comprises a support 17 configured to support the suction motor 16, a passage opening 18 provided on the support 17 and fluidly connected to the device for separating and storing waste 8, and a shroud 19 assembled to the support 17 for example by screwing or snapping.
  • the fairing 19 defines an internal housing 21 in which the suction motor 16 is mounted.
  • the fairing 19 comprises a mounting opening 22 opening into the internal housing 21 and through which the suction motor 16 is mounted. in the internal housing 21.
  • the support 17 is in particular configured to close the mounting opening 22.
  • the suction motor 16 comprises a fan and an electric motor configured to drive the fan in rotation.
  • the suction motor 16 may further include a fan cover 23 at least partially covering the fan and defining an air inlet opening 24.
  • the longitudinal axis of the motor d suction 16 is substantially parallel to the longitudinal axis of the handle 3.
  • the fairing 19 further comprises an air outlet 25 and a protective grid 26 which is located between the air outlet 25 and the suction motor 16. These arrangements make it possible to prevent a user from accessing the parts. active of the suction motor 16 which is housed in the internal housing 21 defined by the shroud 19.
  • the domestic vacuum cleaner 2 also comprises a filtration device 27 disposed in the body 7 downstream of the suction motor 16.
  • the filtration device 27 is mounted on the engine casing 15, and more particularly on the fairing 19. According to the embodiment shown in the figures, the filtration device 27 is applied against the protective grid 26.
  • the suction motor 16 is more particularly configured such that the generated air flow flows through the passage opening 18 and the air outlet 25, and the filtration device 27 is configured to retain dust particles transported by the air flow escaping through the air outlet 25.
  • the body 7 further comprises an air stream 28 located downstream of the filtration device 27 and in which the air flow generated by the suction motor 16 is intended to circulate, and a plurality of outlet openings air 29 through which the air flow is rejected to the outside of the body 7.
  • the air outlet openings 29 are oriented towards the waste separation and storage device 8.
  • the body 7 and the device for separating and storing waste 8 define a space 31 into which the air outlet openings 29 open and through which circulates the flow of air discharged outside the body 7.
  • the domestic vacuum cleaner 2 further comprises a sound absorption element 32 arranged in the body 7 so as to cover the air outlet openings 29.
  • the sound absorption element 32 is made of a porous material, and can for example be an acoustic foam.
  • the sound absorption element 32 comprises an external surface 32.1 applied against the air outlet openings 29 and an internal surface 32.2 oriented towards the interior of the body 7.
  • the internal surface of the acoustic absorption element 32 is greater than 30 cm 2 , and preferably greater than 50 cm 2 , and the acoustic absorption element 32 has a thickness between 5 and 15 mm.
  • the body 7 defines an internal recess 33 in which the sound absorption element 32 is placed.
  • the internal recess 33 has a thickness corresponding substantially to the thickness of the sound absorption element 32.
  • the air stream 28 is partially delimited by the body 7 and the internal surface 32.2 of the sound absorption element 32.
  • the air stream 28 extends parallel to the internal surface 32.2 of the sound absorbing element 32 so that a major part of the air flow, generated by the suction motor 16, circulates along the internal surface 32.2 of the sound absorbing element 32 before escaping through the sound absorption element 32 towards the air outlet openings 29.
  • the air stream 28 comprises, upstream of the sound absorption element 32, a flow guide wall 34 which adjoins the sound absorption element 32, and in particular an upper edge of the sound absorption element. sound absorption 32, and which is flush with the internal surface 32.2 of the sound absorption element 32.
  • the flow guide wall 34 is provided on the support 17, and the internal surface 32.2 of the sound absorption element 32 extends in the extension of the flow guide wall 34. According to the embodiment shown in the figures, the flow guide wall 34 extends substantially parallel to the longitudinal axis of the suction motor 16.
  • the suction motor 16 When the suction motor 16 is electrically powered, it establishes a vacuum in particular in the device for separating and storing waste 8 so that air and waste are sucked in by the cleaning head 4. The air loaded with waste then enters the waste storage container 9 via the internal connecting duct 12 and the air inlet 13 which opens tangentially into the waste storage container 9. The air is thus rotated and the waste is centrifuged to the outside and the majority of this waste is collected by the waste storage container 9.
  • the small particle size wastes such as fine dust, which will not have been separated by centrifugation or retained by the separator filter 11, follow the air flow and then go to the suction motor 16 and the device. filtration 27 where these small particle size wastes are retained.
  • the air flow circulates to the air stream 28 and flows along the inner surface 32.2 of the sound absorbing element 32 before escaping through the sound absorbing element. sound absorption 32 towards the air outlet openings 29.
  • the domestic vacuum cleaner 2 has improved aeraulic and acoustic performance compared to domestic vacuum cleaners of the prior art.
  • the domestic vacuum cleaner 2 could be a sled vacuum cleaner.

Landscapes

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

Claims (11)

  1. Haushaltsstaubsauger (2), umfassend:
    - einen Körper (7), der einen Saugmotor (16) umschließt, der so konfiguriert ist, dass er einen Luftstrom durch einen Reinigungskopf (4) erzeugt, wobei der Körper (7) mindestens eine Luftauslassöffnung (29) umfasst, durch die der Luftstrom aus dem Körper (7) nach außen abgeführt wird,
    - eine Filtervorrichtung (27), die in dem Körper (7) der Luftauslassöffnung (29) vorgelagert angeordnet ist, wobei die Filtervorrichtung (27) so konfiguriert ist, dass sie von dem Luftstrom mitgeführte Staubpartikel zurückhält,
    - ein schallabsorbierendes Element (32), das in dem Körper (7) angeordnet ist und die Luftauslassöffnung (29) überdeckt, wobei das schallabsorbierende Element (32) aus einem porösen Material besteht und eine Außenfläche (32.1) umfasst, die an der Luftauslassöffnung (29) anliegt, und eine Innenfläche (32.2) umfasst, die dem Inneren des Körpers (7) zugewandt ist, und
    - einen Luftstrom (28), der teilweise von der Innenfläche (32.2) des schallabsorbierenden Elements (32) begrenzt wird und durch den der Luftstrom strömen soll, wobei sich der Luftstrom (28) im Wesentlichen parallel zu der Innenfläche (32.2) des schallabsorbierenden Elements (32) erstreckt, so dass ein Großteil des Luftstroms entlang der Innenfläche (32.2) des schallabsorbierenden Elements (32) strömt, bevor er durch das schallabsorbierende Element (32) in Richtung der Luftauslassöffnung (29) entweicht,
    dadurch gekennzeichnet, dass der Luftstrom (28) dem schallabsorbierenden Element (32) vorgelagert eine strömungsleitende Wand (34) aufweist, die an das schallabsorbierende Element (32) angrenzt und an der Innenfläche (32.2) des schallabsorbierenden Elements (32) anliegt.
  2. Haushaltsstaubsauger (2) nach Anspruch 1, wobei das schallabsorbierende Element (32) ein Akustik-Schaumstoff ist.
  3. Haushaltsstaubsauger (2) nach Anspruch 1 oder 2, wobei der Körper (7) eine innere Aussparung (33) definiert, in der das schallabsorbierende Element (32) angeordnet ist, wobei die innere Aussparung (33) eine Dicke aufweist, die im Wesentlichen der Dicke des schallabsorbierenden Elements (32) entspricht.
  4. Haushaltsstaubsauger (2) nach einem der Ansprüche 1 bis 3, der eine dem Saugmotor (16) vorgelagerte Staubabscheide- und -speichereinrichtung (8) aufweist, wobei die Luftauslassöffnung (29) der Staubabscheide- und -speichereinrichtung (8) zugewandt ist.
  5. Haushaltsstaubsauger (2) nach Anspruch 4, wobei der Körper (7) und die Staubabscheide- und -speichereinrichtung (8) einen Raum (31) definieren, in den die Luftauslassöffnung (29) mündet und durch den der aus dem Körper (7) nach außen abgeführte Luftstrom zirkuliert.
  6. Haushaltsstaubsauger (2) nach einem der Ansprüche 1 bis 5, wobei der Körper (7) eine Vielzahl von Luftauslassöffnungen (29) umfasst.
  7. Haushaltsstaubsauger (2) nach einem der Ansprüche 1 bis 6, wobei die Innenfläche (32.2) des schallabsorbierenden Elements (32) größer als 30 cm2 und vorzugsweise größer als 50 cm2 ist.
  8. Haushaltsstaubsauger (2) nach einem der Ansprüche 1 bis 7, wobei das schallabsorbierende Element (32) eine Dicke zwischen 5 und 15 mm aufweist.
  9. Haushaltsstaubsauger (2) nach einem der Ansprüche 1 bis 8, der weiter ein Motorgehäuse (15) umfasst, das eine Durchgangsöffnung (18) umfasst und eine Innenaufnahme (21) definiert, in der der Saugmotor (16) angeordnet ist, wobei der Saugmotor (16) eine Lufteinlassöffnung (24) umfasst und so gestaltet ist, dass der erzeugte Saugstrom durch die Durchgangsöffnung (18) und die Lufteinlassöffnung (24) hindurchströmt.
  10. Haushaltsstaubsauger (2) nach Anspruch 9, wobei das Motorgehäuse (15) einen Träger (17) umfasst, der den Saugmotor (16) trägt, wobei die Durchgangsöffnung (18) an dem Träger (17) vorgesehen ist.
  11. Haushaltsstaubsauger (2) nach Anspruch 10, wobei der Träger (17) die strömungsleitende Wand (34) umfasst.
EP19210502.1A 2018-12-07 2019-11-21 Hausstaubsauger, der mit einem schallabsorptionselement ausgestattet ist Active EP3662803B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1872537A FR3089403B1 (fr) 2018-12-07 2018-12-07 Aspirateur domestique équipé d’un élément d’absorption acoustique

Publications (2)

Publication Number Publication Date
EP3662803A1 EP3662803A1 (de) 2020-06-10
EP3662803B1 true EP3662803B1 (de) 2021-10-06

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Application Number Title Priority Date Filing Date
EP19210502.1A Active EP3662803B1 (de) 2018-12-07 2019-11-21 Hausstaubsauger, der mit einem schallabsorptionselement ausgestattet ist

Country Status (4)

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EP (1) EP3662803B1 (de)
CN (2) CN111281264B (de)
ES (1) ES2897643T3 (de)
FR (1) FR3089403B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3089403B1 (fr) * 2018-12-07 2020-11-20 Seb Sa Aspirateur domestique équipé d’un élément d’absorption acoustique
FR3113365B1 (fr) * 2020-08-11 2023-12-15 Seb Sa Aspirateur portatif équipé d’un filtre amovible

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1154052A (en) * 1965-10-21 1969-06-04 Gen Electric Improvements in Vacuum Cleaners.
US5014388A (en) * 1989-05-15 1991-05-14 White Consolidated Industries, Inc. Battery powered vacuum cleaner
DE102004013263A1 (de) * 2004-03-18 2005-09-29 Vorwerk & Co. Interholding Gmbh Elektro-Staubsauger
KR100837360B1 (ko) * 2007-03-23 2008-06-12 삼성광주전자 주식회사 배기환류를 이용하는 업라이트형 진공청소기
US8578553B2 (en) * 2011-03-04 2013-11-12 G.B.D. Corp. Sound shield for a surface cleaning apparatus
GB2502131B (en) * 2012-05-17 2014-11-05 Dyson Technology Ltd Autonomous vacuum cleaner
FR3046046B1 (fr) * 2015-12-23 2017-12-22 Seb Sa Geometrie d'un circuit aeraulique pour un aspirateur a main
KR102492164B1 (ko) * 2016-07-22 2023-01-30 삼성전자주식회사 진공 청소기
WO2018028740A1 (de) * 2016-08-08 2018-02-15 Carcoustics Techconsult Gmbh Geräuschmindernde kapsel einer gebläsemotoreinheit eines staubsaugers sowie staubsauger
FR3089403B1 (fr) * 2018-12-07 2020-11-20 Seb Sa Aspirateur domestique équipé d’un élément d’absorption acoustique

Also Published As

Publication number Publication date
CN211511630U (zh) 2020-09-18
ES2897643T3 (es) 2022-03-02
FR3089403A1 (fr) 2020-06-12
EP3662803A1 (de) 2020-06-10
CN111281264A (zh) 2020-06-16
CN111281264B (zh) 2022-11-11
FR3089403B1 (fr) 2020-11-20

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