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WO2009109277A1 - Aspirateur - Google Patents

Aspirateur Download PDF

Info

Publication number
WO2009109277A1
WO2009109277A1 PCT/EP2009/000910 EP2009000910W WO2009109277A1 WO 2009109277 A1 WO2009109277 A1 WO 2009109277A1 EP 2009000910 W EP2009000910 W EP 2009000910W WO 2009109277 A1 WO2009109277 A1 WO 2009109277A1
Authority
WO
WIPO (PCT)
Prior art keywords
vacuum cleaner
compartment
cover
dust
fan unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2009/000910
Other languages
English (en)
Inventor
Tomas Hedlund
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.)
Electrolux AB
Original Assignee
Electrolux AB
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 Electrolux AB filed Critical Electrolux AB
Publication of WO2009109277A1 publication Critical patent/WO2009109277A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
    • 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
    • A47L9/12—Dry filters
    • A47L9/122—Dry filters flat
    • 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
    • A47L9/26—Incorporation of winding devices for electric cables

Definitions

  • the present invention relates to a vacuum cleaner, and more particularly to a vacuum cleaner which comprises a cover arranged with an inlet port.
  • a vacuum cleaner is a device that uses a strong suction force generated by a fan unit to create a partial vacuum to suck up dust and dirt, usually from floors.
  • a prior art vacuum cleaner 1 typically comprises a housing, which housing comprises a base part 10 and a top part (not shown) that are fitted together forming a space in which interior subparts of the vacuum cleaner are assembled.
  • the base part 10 is typically the part onto which the vacuum cleaner is assembled, while the top part is the part of the housing that completes the vacuum cleaner assembly by fitting in to the base part and thus closing the housing.
  • the base part 10 comprises a dust compartment 11 , an appliance compartment 20 and a cord compartment 30.
  • the cord compartment 30 is in this prior art example separated from the appliance compartment by a wall 25.
  • the cord compartment 30 is arranged for storing a wound electrical cord 31 which provides power to a vacuum cleaner fan unit 28.
  • a nozzle 19 is connected via an extension tube 21 and a suction hose 22 to the dust compartment 11.
  • the suction hose 22 is normally engaged with a removable dust bag 12 arranged inside the dust compartment 11 for collecting dust and foreign materials that are sucked in through the nozzle 19 when the vacuum cleaner 1 is in an operative mode.
  • the dust compartment 11 and the appliance compartment 20 are separated by a wall 23, in which wall 23 an inlet port 24 is arranged, through which the dust compartment 11 is arranged to communicate with the appliance compartment 20.
  • the fan unit 28 is arranged inside the appliance compartment 20 and is furthermore arranged to, when the operating mode of the vacuum cleaner is active, generate the suction force needed for sucking in air and dust through the nozzle 19.
  • the fan unit typically comprises a suction unit and an electrical motor enclosed in a housing. However, the fan unit will not be discussed in further detail here.
  • the dust is separated from the air in the dust bag 12, and the air is further sucked through the inlet port 24 to the appliance compartment 20.
  • the inlet port 24 is typically covered by a catastrophe filter 26 and a protection grill (not shown).
  • the catastrophe filter 26 prevents larger particles or debris from being drawn into the fan unit 28 if the dust bag 12 should break or be missing.
  • the inlet port 24 is formed in the front part in the wall 23 of the appliance compartment 20.
  • the fan unit 28 is arranged to the rear of the inlet port 24, and a discharge port 27 for discharging there through the sucked air to the outside of the base part 10 is arranged in the base part 10 at the rear side of the fan unit 28.
  • the parts of the vacuum cleaner are individually produced and then assembled in an assembly-line process, in which workers or robots at assembly stations attaches the individual parts of the vacuum cleaner step-by-step.
  • plastic parts including e.g. the housing base part and top, wheels, and connections, are usually manufactured by way of injection moulding.
  • the plastic parts are designed with computerized drafting and design systems.
  • the parts are then shaped in a two-part steel mould, called a die that is lowered into the chamber of an injection-moulding machine.
  • a suitable thermosetting plastic material is melted and injected under high heat and pressure into the injection moulding machine where it penetrates every part of the mould.
  • the two-parts of the steel mould is opened and the plastic material hardens on contact with the air.
  • the vacuum cleaner base part 10 comprises inherent compartments, typically comprising the dust compartment 11 , the appliance compartment 20 and the cord compartment 30, being separated by the walls 23 and 24.
  • the inlet port 24 is arranged in the wall 23, which inlet port can be provided with extra functionalities like a filter holder and a protection grill.
  • the base part is generally manufactured in one piece by means of injection moulding as described above.
  • a vacuum cleaner comprising a housing having a base part and a top part, which is attached to the base part.
  • the base part comprises a dust compartment and an appliance compartment.
  • the dust compartment and said appliance compartment are separated by a wall.
  • the dust compartment is arranged to receive and separate dust from a dust laden air stream collected via an intake unit.
  • the vacuum cleaner further comprises a fan unit arranged in the appliance compartment for providing suction force to suck air through the intake unit via the dust compartment and further to the appliance compartment via an inlet port.
  • the inlet port is adapted for communication between the dust compartment and the appliance compartment.
  • an exhaust port is arranged in the appliance compartment.
  • the vacuum cleaner is characterized by that the vacuum cleaner further comprises a cover, which comprises a main body having a front side and a rear side.
  • the main body comprises the inlet port and is received in an opening provided in the wall.
  • the inlet port is engaged with the fan unit.
  • the cover further comprises engagement means, engaged with the wall.
  • a vacuum cleaner which is arranged having a cover that comprises an inlet port which is engaged with the fan unit, whereby the cover works as a lid for the fan unit.
  • the cover is provided as a separate part of the construction, which part is engaged with the base part during assembling of the vacuum cleaner in an advantageous way.
  • the integration of the inlet port in a freestanding cover instead of as an integrated part of the base part is of great advantage.
  • the cover is separately designed and separately moulded. This has the advantage that a less a complicated moulding tool can be utilized during the manufacturing as compared to manufacturing a prior art vacuum cleaner in which the inlet port is integrated in the base part, and the base part is moulded in one piece.
  • the designing work and manufacturing of a less complicated moulding tool for the housing thus causes the manufacturing costs to be decreased.
  • the cover is attached to the fan unit.
  • the cover is advantageously designed to be fixed to the fan unit. This allows for a simplified assembling of the vacuum cleaner.
  • the cover is preferably mounted onto the fan unit in a separate step. Thereafter the fan unit assembly including the cover and the fan unit is arranged at the base part by fitting the cover into the opening of the wall on the base part.
  • the cover is attached to the fan unit, by means of at least one of the group of: through holes and corresponding fastening elements, snap in locks, and an adhesive.
  • the inlet port is arranged with a protruding portion to be received in said opening, thus the inlet port can extend into the dust compartment which allows for the additional functionalities of the inlet port.
  • the inlet port can be designed to provide an elongated guidance of the air into the fan unit, to provide engagement means etc.
  • the protruding portion makes the engagement of the cover and the wall more stable.
  • the inlet port further comprises a protection grill arranged on the front side, which protects the fan unit and the inlet port from being damaged by large foreign objects that may accidentally have entered into the dust compartment.
  • the protection grill also decreases the risk for a person to accidentally place a finger or a tool inside the fan unit via the inlet port.
  • the engagement means are arranged such that the cover is slidably received in the opening, which provides a quick and practical solution for assembling the fan unit assembly onto the base part .
  • the wall is provided with recesses and the engagement means are protrusions received in the recesses.
  • the cover is fixed to the wall by sliding the protrusions that are provided on the cover into the recesses that are provided on the wall.
  • the engagement means are recesses, and the wall is provided with protrusions received in the recesses.
  • the cover is fixed to the wall by sliding the recesses that are provided on the cover onto the protrusions that are provided on the wall.
  • the vacuum cleaner further comprises a sealing unit arranged to seal the interface between the cover and the fan unit, which prevents air leakage in the opening and which ensures that the air stream from the dust compartment is transported only through the inlet port. Furthermore, the sealing is utilized for a flexible mounting which provides absorption of sound and vibrations.
  • the cover further comprises an inlet sleeve arranged at the rear side of the inlet port. The inlet sleeve is arranged to engage with the fan unit. Thus, when mounting the cover onto the fan unit the sleeve is directly fitted into a corresponding sleeve coupling on the fan unit.
  • the vacuum cleaner further comprises a filter holder arranged at the front side of said inlet port, which is advantageous for providing the inlet port with a catastrophic filter to prevent dust to be sucked into the fan unit if the dust bag is missing or has been damaged.
  • a cord compartment is arranged in the base part for storing a wound electrical cord, which is advantageous.
  • the cover is further comprises an integrated fitting for the wound electrical cord.
  • the cover can thus be used to integrate further functionalities of the vacuum cleaner into the separately designed and moulded part, which is advantageous for the same reasons as described above.
  • Fig. 1 is a transverse cross-sectional view of a prior art vacuum cleaner
  • Fig. 2 is a transverse cross-sectional view of an embodiment of a vacuum cleaner according to the present invention
  • Fig. 3 a) is a perspective view of the housing base part in an embodiment of a vacuum cleaner according to the present invention
  • b) is a perspective view of a cover in an embodiment of a vacuum cleaner according to the present invention
  • c) shows a close-up perspective view of a protrusion on a cover in an embodiment of a vacuum cleaner according to the present invention
  • Fig. 4 a) - e) illustrate a front view, a cross-sectional side view, a cross- sectional top view, and two perspective back views, respectively, of alternative embodiments of a cover according to the present invention.
  • An embodiment of a vacuum cleaner according to the present invention comprises a housing, which housing consist of a base part 110 and a top part (not shown) that are fitted together to complete the assembly of the vacuum cleaner 100.
  • the base part 110 comprises a dust compartment 111 arranged in the front of the base part
  • the cord compartment 130 is arranged for storing a wound electrical cord 131.
  • the electrical cord is arranged to provide electrical power to a vacuum cleaner fan unit 128, which comprises a fan and an electrical motor enclosed in a housing, and which is arranged in the appliance compartment 120.
  • An intake unit 105 comprising a nozzle 120, which is connected via an extension tube 121 and a suction hose 122, is connected to a front side of the dust compartment 111.
  • the suction hose 122 is engaged with a dust bag 112, which is arranged inside the dust compartment 111 for collecting dust and foreign materials that are sucked in through the intake unit 105 when the vacuum cleaner is in an operative mode.
  • the dust compartment 111 is separated from the appliance compartment 120 and the cord compartment 130 by a first wall 140, which is a part of the base part 110, i.e. the first wall 140 partitions the space formed by the base part 110 such that the dust compartment 111 and appliance and cord compartments 120, 130 are formed.
  • the cord compartment 130 and the appliance compartment 120 are separated by a second wall 124. In an alternative embodiment the second wall 124 is not present, whereby the cord and the fan are separated by the housing of the fan unit.
  • the intake unit 105 in alternative embodiments of a vacuum cleaner according to the present invention, comprises only the nozzle 120 and the hose 122, or only a nozzle 120.
  • the latter being a case when e.g. having the intake unit facing the floor and being arranged in direct association with the dust compartment.
  • the first wall 140 is formed in the base part 110, and is provided with an opening 141 , which opening 141 is arranged such that the first wall 140 is partly cut open from the top.
  • the fan unit 128 is arranged to, when the operating mode of the vacuum cleaner is active, generate the suction force needed for sucking in air and dust through the intake unit 105.
  • the dust is separated from the air in the dust bag 112, and the air is further sucked through an inlet port 151 to the appliance compartment 120.
  • the dust and air in the dust laden air stream can be separated using a cyclone or other suitable dust separating unit.
  • the inlet port 151 is arranged in a cover 150.
  • the cover 150 is received in the opening 141 of the first wall 140.
  • the cover 150 is mounted by sliding the cover 150 vertically down to be received in the opening 141.
  • Engagement means 153 on the cover 150 are engaged with the first wall 140.
  • the cover 150 see Fig. 3 b), comprises a main body 152, having a front side and a rear side. When the cover 150 is received in the opening 141 the front side is oriented towards the dust compartment 111 , and the rear side is oriented towards the appliance compartment 120.
  • the engagement means 153 are in this embodiment arranged as groove shaped recesses 153 in the main body 152, which recesses 153 are to be slid onto protrusions, e.g. lips provided on the wall
  • the engagement means 153 are slid to engage directly with the flanges defining the opening 141.
  • the engagement means 153 are arranged as protrusions, as illustrated in Fig. 3 c). In this embodiment the protrusions 153 are arranged to be received in corresponding recesses arranged in the first wall 140.
  • the inlet port 151 through which the dust compartment 111 communicates with the appliance compartment 120, is arranged in the main body 152.
  • the fan unit 128 is arranged to the rear of the inlet port 151, and a discharge port 127 for discharging there through the sucked air to the outside of the base part 110 is arranged at the rear side of the fan unit 128.
  • the cover 150 comprises a main body 152 which is substantially shaped as a rectangle.
  • the inlet port 151 of the main body 152 has a protruding portion 155 arranged to be received, at edge portions thereof, in the opening 141 , and a circle shaped inlet opening 154 arranged in the centre of the protruding portion 155. As depicted in Fig.
  • the main body 152 is designed such that an air guide formed by a surface 156 ranging from the peripheral front edges of the protruding portion 155 to the inlet opening 154 is bevelled, or cone shaped.
  • the surface 156 acts as an air guide for air being sucked from the dust compartment 111 through the inlet opening 154 to the appliance compartment 120.
  • the protruding portion 155 is arranged with groove shaped recesses 153 to engage with flanges defining the opening 141 of the first wall 140.
  • the air guide may be designed in various ways and should not be limited to this exemplifying embodiment.
  • the cover 150 is arranged with a protection grill 159. This is arranged at the front side of the inlet port
  • the protection grill 159 is arranged with a plurality of radially distributed louvers through which the air is communicated from the dust compartment 111 to the appliance compartment 120 when the vacuum cleaner is in operative mode.
  • the cover 150 is attached to the fan unit 128.
  • the cover is provided with through holes 157 which are in alignment with corresponding holes (not shown) in the fan unit 128, such that fastening elements like screws, rivets, pop-rivets, bolts etc. can be utilized to attach the cover 150 to the fan unit 128.
  • the cover 150 and fan unit 128 then forms a fan unit assembly which is advantageous when assembling the vacuum cleaner in the assembly-line process.
  • the fan unit assembly is preferably provided with a handle (not shown).
  • cover 150 is attached to the fan unit by means of snap in locks or an adhesive.
  • an inlet sleeve 158 is arranged at the rear side of the inlet port 151 and extends rearwardly thereof.
  • the inlet sleeve 158 is here engaged with the protection grill 159.
  • the inlet sleeve 158 is further arranged to engage with the fan unit 128 during assembling of the fan unit assembly.
  • the engagement means 153 on the cover 150 are formed as recesses in which protruding portions arranged at the first wall 140 are received as the cover 150 is placed in position in the first wall 140.
  • the protruding portions on the first wall 140 alternatively comprise the edges of the opening 141.
  • the recesses and protrusions to form the engagement means for the cover 150 and the first wall 140 can be designed in numerous ways, which should be considered to be part of the scope of the present invention.
  • the cover 150 has a filter holder 160 arranged at the front side of the inlet port 151.
  • the filter holder 160 is formed by plastic grid arranged for inserting a catastrophe filter (not shown).
  • the catastrophe filter prevents larger particles or debris from being drawn into the fan unit 128 if the dust bag 112 should break.
  • the filter holder 160 is engaged with the first wall 140 by means of engagement means (not shown) that preferably are moulded protrusions arranged on the filter holder 160 which are slided into corresponding recesses facing the dust compartment and arranged on the first wall 140.
  • the filter holder 160 may be arranged in front of the inlet port 151 and engaged with the protruding portion 155.
  • the cover 150 is designed to include further functionalities.
  • the dividing of complex structures into several separate moulding parts is as previously discussed an advantage.
  • the cover 150 comprises an integrated fitting 180 for the wound electrical cord 131.
  • the main body 152 of the cover 150 extends over the first wall 140 to fit to a backside of the (wound) electrical cord, which may be arranged in a separate cord compartment 130 or which may alternatively be arranged inside the appliance compartment 120.
  • a recess (not shown) in the second wall 124 or alternatively in the cover 150 (not shown) has to be provided to enable assembling of the cover 150.
  • a sealing unit 170 is arranged to seal the interface between the cover 150 and fan unit 128.
  • the sealing unit 170 is inserted between the cover 150 and the fan unit 128 during assembly.
  • An exemplifying embodiment of a sealing unit 170 is shown in Fig. 4 e).
  • the sealing unit is preferably made of a foam plastic, which offers a flexible material which further absorbs sound and vibrations. Other isolating materials may be used in the sealing unit.

Landscapes

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

Abstract

Cette invention porte sur un aspirateur, comprenant un boîtier, avec une partie base (110) et une partie supérieure qui est fixée à la partie base. La partie base comprend un compartiment à poussière (111) et un compartiment d'accessoire (120), qui sont séparés par une paroi (140). Le compartiment à poussière est agencé de façon à recevoir et à séparer de la poussière à partir d'un courant d'air chargé de poussière collecté par l'intermédiaire d'une unité d'admission (105). L'aspirateur comprend de plus une unité de ventilateur pour fournir une force d'aspiration afin d'aspirer de l'air à travers l'unité d'admission, par l'intermédiaire du compartiment à poussière, et, de plus, vers le compartiment d'accessoire, par l'intermédiaire d'un orifice d'entrée (151), qui est apte à assurer une communication entre le compartiment à poussière et le compartiment d'accessoire, et un orifice d'évacuation agencé dans le compartiment d'accessoire. L'aspirateur est caractérisé par le fait qu'il comporte une ouverture (141) disposée dans la paroi, dans laquelle un capot (150) venant en prise avec l'unité de ventilateur (128) est reçu. Le capot comprend de plus l'orifice d'entrée qui vient en prise avec l'unité de ventilateur. Le capot comprend de plus des moyens de coopération (153) qui coopère avec la paroi.
PCT/EP2009/000910 2008-02-29 2009-02-10 Aspirateur Ceased WO2009109277A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE0800489-7 2008-02-29
SE0800489 2008-02-29
US3362208P 2008-03-04 2008-03-04
US61/033,622 2008-03-04

Publications (1)

Publication Number Publication Date
WO2009109277A1 true WO2009109277A1 (fr) 2009-09-11

Family

ID=40589539

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/000910 Ceased WO2009109277A1 (fr) 2008-02-29 2009-02-10 Aspirateur

Country Status (1)

Country Link
WO (1) WO2009109277A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011080037A1 (fr) * 2009-12-30 2011-07-07 BSH Bosch und Siemens Hausgeräte GmbH Aspirateur pourvu d'un élément de protection des mains
EP2572620A1 (fr) * 2011-09-26 2013-03-27 BSH Bosch und Siemens Hausgeräte GmbH Cadre pour un filtre antipoussière d'un aspirateur

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527302A (en) * 1983-11-21 1985-07-09 The Hoover Company Canister cleaner
EP0790031A1 (fr) * 1996-01-19 1997-08-20 AEG Hausgeräte GmbH Aspirateur
WO1998000055A1 (fr) * 1996-06-28 1998-01-08 Philips Electronics N.V. Carter d'aspirateur comportant un nombre limite de sens de demoulage
EP1321089A2 (fr) * 2001-12-20 2003-06-25 Lg Electronics Inc. Enveloppe d'un moteur pour aspirateur
WO2005051155A1 (fr) * 2003-11-28 2005-06-09 Aktiebolaget Electrolux Systeme de filtration pour aspirateur

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527302A (en) * 1983-11-21 1985-07-09 The Hoover Company Canister cleaner
EP0790031A1 (fr) * 1996-01-19 1997-08-20 AEG Hausgeräte GmbH Aspirateur
WO1998000055A1 (fr) * 1996-06-28 1998-01-08 Philips Electronics N.V. Carter d'aspirateur comportant un nombre limite de sens de demoulage
EP1321089A2 (fr) * 2001-12-20 2003-06-25 Lg Electronics Inc. Enveloppe d'un moteur pour aspirateur
WO2005051155A1 (fr) * 2003-11-28 2005-06-09 Aktiebolaget Electrolux Systeme de filtration pour aspirateur

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011080037A1 (fr) * 2009-12-30 2011-07-07 BSH Bosch und Siemens Hausgeräte GmbH Aspirateur pourvu d'un élément de protection des mains
EP2572620A1 (fr) * 2011-09-26 2013-03-27 BSH Bosch und Siemens Hausgeräte GmbH Cadre pour un filtre antipoussière d'un aspirateur

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