EP3626147A1 - Ansaugvorrichtung für haushaltssauger - Google Patents

Ansaugvorrichtung für haushaltssauger Download PDF

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Publication number
EP3626147A1
EP3626147A1 EP19191536.2A EP19191536A EP3626147A1 EP 3626147 A1 EP3626147 A1 EP 3626147A1 EP 19191536 A EP19191536 A EP 19191536A EP 3626147 A1 EP3626147 A1 EP 3626147A1
Authority
EP
European Patent Office
Prior art keywords
annular sealing
suction
annular
motor
suction device
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.)
Granted
Application number
EP19191536.2A
Other languages
English (en)
French (fr)
Other versions
EP3626147B1 (de
Inventor
Fabien David
Laëtitia LAVILLE
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
Original Assignee
SEB SA
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
Application filed by SEB SA filed Critical SEB SA
Publication of EP3626147A1 publication Critical patent/EP3626147A1/de
Application granted granted Critical
Publication of EP3626147B1 publication Critical patent/EP3626147B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • 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
    • A47L9/22—Mountings for motor fan assemblies
    • 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
    • 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

Definitions

  • the present invention relates to the field of household vacuum cleaners for vacuuming dust and waste of small particle size present on a surface to be cleaned, which can for example be tiling, parquet, laminate, carpet or carpet.
  • Such a configuration of the aeraulic sealing element generally requires the addition of additional fixing parts to ensure mechanical resistance of the aeraulic sealing element on the suction motor, and therefore to guarantee a satisfactory seal between the air sealing element and the suction motor.
  • additional fasteners complicates the assembly of the suction device and significantly increases the manufacturing costs of the suction device and therefore of the domestic vacuum cleaner.
  • the present invention aims to remedy all or part of these drawbacks.
  • the objective of the invention consists in particular in providing a suction device which can be easily assembled, while having optimal suction performance.
  • the support ribs make it possible to locally lift the annular sealing lip when the latter is pressed towards the motor by the suction flow generated by the motor.
  • the suction flow can be applied uniformly up to the edge of the annular sealing rib configured to cooperate sealingly with the suction motor.
  • Such a configuration of the air-tight sealing element makes it possible to ensure that the latter is held and sealed at the level of the suction motor without adding any additional part, and therefore to reduce the manufacturing costs of the suction device. and to simplify the assembly of the latter.
  • the support ribs are configured to distribute the pressure forces applied to the annular sealing lip when the suction motor is supplied and generates the suction flow, and therefore make it possible to improve the mechanical strength of the annular sealing lip and thus the seal between the aeraulic sealing element and the suction motor under conditions of use of the suction device.
  • the suction device according to the present invention can be easily assembled and has optimal suction performance which is durable over time.
  • the suction device can also have one or more of the following characteristics, taken alone or in combination.
  • the annular sealing lip is configured to bear against the suction motor when the suction motor is stopped.
  • the a somehowlic sealing element is in one piece.
  • the support ribs extend around the air inlet opening.
  • the support ribs are regularly distributed around the air inlet opening.
  • the support ribs extend to an internal peripheral edge of the annular sealing lip.
  • the support ribs are configured to separate at least a portion of the annular sealing lip of the suction motor.
  • the support ribs extend substantially radially with respect to a central axis of the aeraulic sealing element.
  • the annular sealing rib is formed at an external peripheral edge of the annular sealing lip.
  • the annular sealing rib extends substantially parallel to the central axis of the aeraulic sealing element.
  • the support ribs extend to the annular sealing rib or near the annular sealing rib.
  • the annular sealing lip extends transversely with respect to the central axis of the aeraulic sealing element.
  • the a Vogellic sealing element further comprises an annular intermediate portion situated between the first and second annular sealing portions, the annular intermediate portion comprising a first tubular portion extending from of the first annular sealing portion and in the direction of the suction motor, and a second tubular portion extending from the second annular sealing portion and opposite the suction motor, the first and second tubular portions being substantially concentric and being offset radially with respect to each other.
  • At least a part of the first tubular portion is located opposite the second tubular portion.
  • the first and second tubular portions at least partially overlap in an axial direction.
  • the second annular sealing portion has an outside diameter greater than the diameter of the first tubular portion.
  • the second tubular portion is located radially inside the first tubular portion.
  • the first and second annular sealing portions are offset axially with respect to each other.
  • the annular intermediate portion comprises at least one radial ply oriented substantially radially with respect to the central axis of the aeraulic sealing element, and at least one annular ply substantially concentric with the central axis of the air sealing element.
  • Such a configuration of the air-tight sealing element, and in particular the presence of the at least one radial ply and the at least one annular ply makes it possible to greatly limit the transfer of vibrations generated by the suction motor. to the vacuum cleaner housing.
  • the at least one radial fold makes it possible to increase the flexibility of the a Vogellic sealing element in a tangential direction and therefore to significantly reduce the transfer, to the housing of the vacuum cleaner, of the vibrations generated by the electromagnetic forces.
  • the at least one annular fold makes it possible to increase the flexibility of the air sealing element in one direction radial and therefore significantly reduce the transfer to the vacuum cleaner housing of the vibrations generated by the unbalance of the suction motor.
  • the annular intermediate portion further comprises an annular connection portion located between the first and second tubular portions and connecting the first and second tubular portions to each other so as to define the '' at least one annular fold.
  • the annular connection portion connects the first and second tubular portions to each other so as to define two annular folds substantially concentric with the central axis of the sealing element air flow, the two annular folds being oriented in two opposite directions.
  • Such a configuration of the connecting portion increases still the flexibility of the air sealing element and therefore further limits the transfer of vibrations generated by the suction motor to the housing of the domestic vacuum cleaner.
  • the annular intermediate portion has a generally Z-shaped longitudinal section.
  • the at least one radial fold is formed at least partially on the second tubular portion.
  • the at least one radial fold is formed at least partially on the second tubular portion and at least partially on the annular connection portion.
  • the at least one radial fold extends generally along a plane oriented radially with respect to the central axis of the air-tight sealing element.
  • the annular intermediate portion comprises a plurality of radial folds which are oriented substantially radially with respect to the central axis of the aeraulic sealing element and which are angularly offset from one another and distributed around the central axis, and for example regularly distributed around the central axis.
  • each radial ply has a concave surface oriented towards the outside of the aeraulic sealing element and a convex surface oriented towards the inside of the aeraulic sealing element.
  • the first annular sealing portion is molded onto a front fairing of the engine casing.
  • the passage opening is provided on the front fairing.
  • the first annular sealing portion extends over the periphery of the passage opening.
  • the first annular sealing portion extends over a front face of the front fairing which is located opposite the suction motor.
  • the front fairing of the motor housing comprises a plurality of through orifices which are angularly offset from one another and which are distributed around the passage opening, the first sealing portion annular being overmolded on the front fairing at the through holes.
  • each through hole extends in an arc.
  • the through orifices are aligned circumferentially.
  • the front fairing comprises a holding part on which the first annular sealing portion is molded, the holding part comprising an annular holding ring which defines the passage opening and which is connected to a main body of the front fairing by connecting lugs, the connecting lugs extending radially and being angularly spaced from one another so as to form, with the annular retaining ring and the main body of the front fairing, through holes.
  • the first annular sealing portion is further configured to cooperate in sealed manner with a housing of the vacuum cleaner.
  • the first annular sealing portion comprises an annular sealing protrusion extending around the passage opening and configured to cooperate in sealed manner with the housing of the vacuum cleaner.
  • the annular sealing protrusion projects away from the suction motor.
  • the annular sealing protuberance covers the through orifices.
  • the annular sealing protuberance has a curved front profile and a rear profile having at least locally a hollow shape.
  • Such a hollow rear profile makes it possible to reduce the thickness of the wall forming the annular sealing protuberance, which has the advantage to increase the flexibility of the annular sealing protuberance.
  • the annular sealing protuberance comprises an annular wall which is curved.
  • the annular wall has a first curved annular surface which is concave and oriented towards the suction motor and a second curved annular surface which is convex and oriented opposite the suction motor, and for example towards a wall of partition belonging to the vacuum cleaner housing.
  • annular sealing protuberance makes it possible to obtain more flexibility in the direction of the axis of the suction motor in order to guarantee optimum sealing by absorbing the clearances between the motor housing and the housing. of the domestic vacuum cleaner.
  • the annular wall can be particularly thin, which makes it possible to use a material having a higher hardness to manufacture the air sealing element and therefore to ensure a better sliding of the latter during its assembly by shearing. .
  • the annular sealing protuberance further comprises a plurality of connecting walls which are angularly offset from one another and which are distributed around the passage opening, each connecting wall s extending from the first curved annular surface.
  • the suction motor comprises a fan and an electric motor configured to drive the fan in rotation.
  • the suction motor further comprises a fan cover at least partially covering the fan, the air inlet opening being provided on the fan cover.
  • the suction device comprises a suspension system configured to support the suction motor.
  • the suspension system may include a plurality of damping elements disposed around the periphery of the suction motor and connected to the motor housing.
  • each damping element has a generally S-shaped cross section.
  • the suspension system further comprises at least one compensation spring configured to compensate for the weight of the suction motor.
  • a compensating spring makes it possible in particular to maintain the suction motor in "levitation" so that the damping elements can work in the same way and therefore ensure proper centering of the suction motor relative to the housing of 'vacuum.
  • the a somehowlic sealing element is made of elastomer.
  • the present invention further relates to a household vacuum cleaner comprising a suction device according to any one of the preceding characteristics.
  • the domestic vacuum cleaner comprises a housing comprising a filtration compartment and a motor compartment separated by a separation wall, the first annular sealing portion being configured to cooperate sealingly with the wall of seperation.
  • the air sealing element is configured to guide the suction flow generated by the suction motor from the communication orifice to the air inlet opening.
  • the present invention also relates to an air sealing element for a suction device, the air sealing element being configured. for guiding a suction flow from a passage opening provided on a motor casing to an air inlet opening of a suction motor, the air sealing element being annular and flexible, l air-sealing element comprising a first annular sealing portion configured to cooperate sealingly with the motor housing, and a second annular sealing portion configured to cooperate sealingly with the suction motor, characterized in that the second annular sealing portion has an annular sealing lip which extends around the air inlet opening from an annular sealing rib configured to cooperate in sealed manner with the suction motor, the annular sealing lip having support ribs which extend under the annular sealing lip and which are configured to bear against the e suction motor to locally raise the annular sealing lip and allow the vacuum generated by the suction flow to apply under the annular sealing lip to the edge of the annular sealing rib when the suction motor is powered and generates the suction flow.
  • the Figures 1 to 10 represent a domestic vacuum cleaner 2 comprising in particular a housing 3, also a vacuum cleaner body, in a known manner comprising a filtration compartment 4 and a motor compartment 5 separated by a partition wall 6 provided with a communication orifice 7.
  • the compartment filtration 4 is intended to receive a filtration device (not shown in the figures), such as a filtration bag or a cyclonic separation device, making it possible to retain waste sucked into the housing 3.
  • the housing 3 also comprises an air inlet 8 by which air transporting waste is sucked into the housing 3, and an air outlet 9 by which the air previously removed from the waste by the filtration device is evacuated outside the housing 3.
  • the housing 3 is advantageously fitted with wheels 11 to move the domestic vacuum cleaner 2.
  • the domestic vacuum cleaner 2 may also include a flexible hose (not shown in the figures) connected, preferably removably, to the air inlet 8 of the housing 3, and a suction accessory (not shown in the figures) ) such as, for example, a rigid telescopic tube which can receive, at its end opposite the flexible pipe, a removable suction head.
  • a flexible hose (not shown in the figures) connected, preferably removably, to the air inlet 8 of the housing 3, and a suction accessory (not shown in the figures) ) such as, for example, a rigid telescopic tube which can receive, at its end opposite the flexible pipe, a removable suction head.
  • the domestic vacuum cleaner 2 further comprises a suction device 12 housed in the engine compartment 5.
  • the suction device 12 comprises a motor housing 13.
  • the motor housing 13 comprises a front fairing 13.1 and a rear fairing 13.2 assembled to one another for example by screwing or snap-fastening, and a passage opening 14 formed on the front fairing 13.1.
  • the suction device 12 further comprises a suction motor 15, also called a motor-fan, disposed in the motor housing 13 and configured to generate a suction flow.
  • the suction motor 15 comprises a fan and an electric motor configured to drive the fan in rotation.
  • the suction motor 15 may further comprise a fan cover 16 at least partially covering the fan and defining an air inlet opening 17.
  • the suction device 12 also comprises an aeraulic sealing element 18 which is in one piece and which is configured to guide the suction flow from the passage opening 14 to the air inlet opening 17.
  • the air sealing element 18 is annular and flexible, and comprises a first annular sealing portion 19 configured to cooperate in leaktight manner with the motor housing 13, a second annular sealing portion 21 configured to cooperate in a manner sealed with the suction motor 15, and an annular intermediate portion 22 located between the first and second annular sealing portions 19, 21.
  • the first and second annular sealing portions 19, 21 are axially offset l 'one over the other.
  • the first annular sealing portion 19 extends around the periphery of the passage opening 14 and is molded onto the front fairing 13.1 of the motor housing 13.
  • the first annular sealing portion 19 extends over a front face of the front fairing 13.1 which is located opposite the suction motor 15.
  • the front fairing 13.1 comprises a retaining part 23 on which the first annular sealing portion 19 is overmolded.
  • the retaining part 23 advantageously comprises an annular retaining ring 24 which defines the passage opening 14 and which is connected to a main body 25 of the front fairing 13.1 by connecting lugs 26.
  • the connecting lugs 26 extend radially and are angularly spaced from one another so as to form, with the annular retaining ring 24 and the main body 25 of the front fairing 13.1, through holes 27 which are angularly offset from one another and which are distributed around the passage opening 14.
  • the through holes 27 extend in an arc of a circle and are aligned circumferentially.
  • the first annular sealing portion 19 comprises an annular sealing protrusion 28 extending around the passage opening 14 and projecting opposite the suction motor 15.
  • the annular sealing protrusion 28 is configured to extend around the communication orifice 7 and to cooperate in leaktight manner with the partition wall 6.
  • the annular sealing protuberance 28 covers the through orifices 27.
  • the annular sealing protrusion 28 includes an annular wall 29 which is thin and which is curved.
  • the annular wall 29 has a first curved annular surface 29.1 which is concave and oriented towards the suction motor 15 and a second curved annular surface 29.2 which is convex and oriented opposite the suction motor 15, that is to say i.e. towards the partition wall 6.
  • the annular sealing protrusion 28 further comprises a plurality of connecting walls 31 which are angularly offset from one another and which are distributed around the passage opening 14.
  • Each connecting wall 31 extends from the first curved annular surface 29.1 and facing a respective connecting lug 26, and is fixed by overmolding to the latter.
  • each connecting wall 31 advantageously extends radially.
  • the second annular sealing portion 21 extends around the air inlet opening 17 and has an outside diameter smaller than an outside diameter of the first annular sealing portion 19.
  • the second annular sealing portion 21 more particularly comprises an annular sealing lip 32 which extends transversely with respect to the central axis A of the air sealing element 18 and which is configured to cooperate in leaktight manner with the suction motor 15, and more particularly with the fan cover 16.
  • the annular sealing lip 32 is configured to bear against the suction motor 15 when the suction motor 15 is stopped, and to be pressed and held in sealing contact against the suction motor 15 when the suction motor 15 is powered and generates the suction flow.
  • the result of the forces applied to the annular sealing lip 32 is such that the annular sealing lip 32 is pressed and kept in sealed contact against the suction motor 15.
  • the annular sealing lip 32 comprises an annular sealing rib 33 configured to cooperate in leaktight manner with the suction motor 15.
  • the annular sealing rib 33 is advantageously provided at level of an external peripheral edge of the annular sealing lip 32, and extends substantially parallel to the central axis A of the air sealing element 18.
  • the second annular sealing portion 21 further comprises support ribs 34 extending from the annular sealing lip 32 and configured to bear against the suction motor 15, and for example against a surface outside of the fan cover 16.
  • the support ribs 34 extend around the air inlet opening 17 and extend radially with respect to the central axis A of the element d airtightness 18.
  • the support ribs 34 are more particularly configured to raise the annular sealing lip 32 upstream of the annular sealing rib 33 so as to distribute the pressure forces applied to the annular sealing lip 32 in the vicinity of the annular sealing rib 33 when the suction motor 15 is powered and generates the suction flow.
  • the support ribs 34 extend on the one hand to the annular sealing rib 33 and on the other hand to an internal peripheral edge of the lip of annular seal 32.
  • the annular intermediate portion 22 of the air sealing element 18 comprises a first tubular portion 35 extending from the first annular sealing portion 19 and in the direction of the suction motor 15, and a second tubular portion 36 extending from the second annular sealing portion 21 and opposite the suction motor 15.
  • the first and second tubular portions 35, 36 are concentric with the central axis A of the element air tightness 18 and are offset axially with respect to each other.
  • the second tubular portion 36 is located radially inside the first tubular portion 35, and the first and second tubular portions 35, 36 partially overlap in an axial direction.
  • the annular intermediate portion 22 further comprises an annular connection portion 37 located between the first and second tubular portions 35, 36 and connecting the first and second tubular portions 35, 36 to each other so as to define two annular folds 38, 39 concentric with the central axis A of the air-tight sealing element 18.
  • the two annular folds 38, 39 are advantageously oriented in two opposite directions, so that the annular intermediate portion 22 has a longitudinal section generally in Z shape.
  • the annular intermediate portion 22 also comprises a plurality of radial folds 41 which are oriented substantially radially with respect to the central axis A of the air sealing element 18, and which s' advantageously extend each generally along a plane oriented radially with respect to the central axis A.
  • the radial folds 41 are angularly offset from one another and are advantageously regularly distributed around the central axis A.
  • Each radial ply 41 advantageously comprises a concave surface 41.1 oriented towards the outside of the aeraulic sealing element 18 and a convex surface 41.2 oriented towards the inside of the aeraulic sealing element 18.
  • each radial fold 41 is advantageously formed partially on the second tubular portion 36 and partially on the annular connection portion 37.
  • the suction device 12 further comprises (see in particular the Figures 9 and 10 ) a suspension system 43 configured to support the suction motor 15.
  • the suspension system 43 more particularly comprises a support piece 44 fixed to the suction motor 15, and a plurality of damping elements 45 interposed between the support piece 44 and the motor housing 13 and distributed around the suction motor 15.
  • the support piece 44 can for example comprise an annular support part 44.1 extending around the suction motor 15, a rear part 44.2 extending behind the suction motor 15 and connecting branches 44.3 s extending longitudinally and connecting the annular support part 44.1 to the rear part 44.2.
  • the support piece 44 can thus define a housing in which the suction motor 15 is mounted.
  • each damping element 45 has a generally S-shaped cross section, and comprises a first fixing part 45.1 fixed to the motor housing 13, for example at the rear fairing 13.2, and a second fixing part 45.2 fixed to the support piece 44.
  • the suspension system 43 can for example comprise four damping elements 45 regularly distributed around the suction motor 15.
  • the suspension system 43 further comprises a compensation spring 46 configured to compensate for the weight of the suction motor 15.
  • the compensation spring 46 may for example be located above the suction motor 15 and be formed by a tension spring. According to an alternative embodiment, the compensation spring 46 could be located below the suction motor 15 and be formed by a compression spring.
  • the compensation spring 46 is more particularly interposed between the support piece 44 and the motor housing 13.
  • the compensation spring 46 advantageously comprises a first end portion 46.1 fixed to the motor housing 13, for example to the rear fairing 13.2, and a second end portion 46.2 fixed to the support piece 44.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles For Electric Vacuum Cleaners (AREA)
  • Food-Manufacturing Devices (AREA)
  • Electric Suction Cleaners (AREA)
EP19191536.2A 2018-09-24 2019-08-13 Ansaugvorrichtung für haushaltssauger Active EP3626147B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1858675A FR3086155B1 (fr) 2018-09-24 2018-09-24 Dispositif d’aspiration pour aspirateur domestique

Publications (2)

Publication Number Publication Date
EP3626147A1 true EP3626147A1 (de) 2020-03-25
EP3626147B1 EP3626147B1 (de) 2021-08-11

Family

ID=65243818

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19191536.2A Active EP3626147B1 (de) 2018-09-24 2019-08-13 Ansaugvorrichtung für haushaltssauger

Country Status (4)

Country Link
EP (1) EP3626147B1 (de)
CN (2) CN211511624U (de)
ES (1) ES2887179T3 (de)
FR (1) FR3086155B1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3086155B1 (fr) * 2018-09-24 2020-08-28 Seb Sa Dispositif d’aspiration pour aspirateur domestique

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2227998A1 (de) * 2007-11-22 2010-09-15 Kabushiki Kaisha Toshiba Elektrischer reiniger
WO2017076704A1 (en) * 2015-11-02 2017-05-11 Koninklijke Philips N.V. A device for mounting a motor assembly of an electric appliance

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4538043B2 (ja) * 2007-11-28 2010-09-08 株式会社東芝 電気掃除機
US9131819B2 (en) * 2008-11-05 2015-09-15 Aktiebolaget Electrolux Vacuum cleaner
DE102009002001A1 (de) * 2009-03-31 2010-10-07 Robert Bosch Gmbh Dichtung für senkrechte Durchführung eines Getriebesteckers
GB2495123B (en) * 2011-09-29 2014-05-28 Dyson Technology Ltd An upright vacuum cleaner
US8950753B2 (en) * 2011-11-23 2015-02-10 Federal-Mogul Corporation Radial shaft seal, radial shaft seal assembly and method of installation
FR3086155B1 (fr) * 2018-09-24 2020-08-28 Seb Sa Dispositif d’aspiration pour aspirateur domestique

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2227998A1 (de) * 2007-11-22 2010-09-15 Kabushiki Kaisha Toshiba Elektrischer reiniger
WO2017076704A1 (en) * 2015-11-02 2017-05-11 Koninklijke Philips N.V. A device for mounting a motor assembly of an electric appliance

Also Published As

Publication number Publication date
FR3086155A1 (fr) 2020-03-27
CN110934537B (zh) 2023-04-14
CN110934537A (zh) 2020-03-31
EP3626147B1 (de) 2021-08-11
FR3086155B1 (fr) 2020-08-28
CN211511624U (zh) 2020-09-18
ES2887179T3 (es) 2021-12-22

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