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EP2662011B1 - Aspirateur - Google Patents

Aspirateur Download PDF

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Publication number
EP2662011B1
EP2662011B1 EP12167029.3A EP12167029A EP2662011B1 EP 2662011 B1 EP2662011 B1 EP 2662011B1 EP 12167029 A EP12167029 A EP 12167029A EP 2662011 B1 EP2662011 B1 EP 2662011B1
Authority
EP
European Patent Office
Prior art keywords
sucking
filter
motors
valve means
air
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
EP12167029.3A
Other languages
German (de)
English (en)
Other versions
EP2662011B8 (fr
EP2662011A1 (fr
Inventor
Domenico Ronchi
Pierluigi Raineri
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.)
IP Cleaning SRL
Original Assignee
Soteco SpA
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 Soteco SpA filed Critical Soteco SpA
Priority to EP12167029.3A priority Critical patent/EP2662011B8/fr
Priority to PCT/IB2013/053605 priority patent/WO2013168071A1/fr
Priority to CN201380024066.8A priority patent/CN104411224B/zh
Publication of EP2662011A1 publication Critical patent/EP2662011A1/fr
Priority to HK14100301.8A priority patent/HK1187796B/en
Publication of EP2662011B1 publication Critical patent/EP2662011B1/fr
Application granted granted Critical
Publication of EP2662011B8 publication Critical patent/EP2662011B8/fr
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
    • A47L9/0072—Mechanical means for controlling the suction or for effecting pulsating action
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • A47L9/1658—Construction of outlets
    • A47L9/1666—Construction of outlets with filtering means
    • 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
    • A47L9/20—Means for cleaning filters
    • 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
    • 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
    • A47L9/2836—Installation of the electric equipment, e.g. adaptation or attachment to the suction cleaner; Controlling suction cleaners by electric means characterised by the parts which are controlled
    • A47L9/2842—Suction motors or blowers

Definitions

  • the invention relates to a sucking apparatus, in particular for cleaning, for example arranged for sucking fragments of material or objects of small dimensions.
  • a sucking apparatus according to the preamble of claim 1 is already known e.g. from WO-A-2010121656 .
  • Known sucking apparatuses comprise one or more filters and one or more sucking motors.
  • the filter is interposed between the external environment and the sucking motor for filtering the flow of air sucked by the sucking apparatus.
  • the filter positioned inside a collecting tank, retains here the sucked material, such that only clean air reaches the sucking motor.
  • sucking apparatuses it is necessary for the operator, i.e. the person who usually uses the sucking apparatus, to clean the filter.
  • the operator can dismantle the filter from the sucking apparatus and then shake and hit the filter energetically in order to remove the material that has previously been deposited thereupon.
  • This material is generally released into the surrounding environment and so this method of cleaning the filter is not advisable because the material released into the environment is again sucked by the sucking apparatus with the result that the filter will again get dirty very rapidly.
  • known sucking apparatuses can comprise air-channelling systems comprising pressure switches and/or deviator valves that convey a flow of air to the filters so as to clean the filters.
  • One embodiment of these apparatuses provides for these air channelling systems being driven by the operator.
  • One drawback of this embodiment is that the apparatus cannot ensure complete and reliable filter cleaning. Effective filter cleaning in fact substantially depends on the time that the operator dedicates to cleaning the filter.
  • One serious drawback of these apparatuses is the fact that cleaning the filter is manually driven by the operator, who, - typically because of lack of time or negligence - does not dedicate sufficient time to ensure thorough removal of the material deposited on the filter.
  • One object of the invention is to improve known sucking apparatuses.
  • Another object of the invention is to supply a sucking apparatus in which the filter is cleaned completely automatically.
  • a further object of the invention is to supply an efficient sucking apparatus that does not need to be stopped for filter cleaning operations and at the same time ensures good cleaning of the filter.
  • a sucking apparatus is provided as defined in claim 1.
  • the sucking apparatus 1 can be a vacuum cleaner, for example of the professional and/or industrial type.
  • the sucking apparatus 1 comprises at least two sucking motors 10 arranged for generating a flow of air F from the outside to the inside of the apparatus.
  • the sucking apparatus 1 further comprises at least two filters 17 arranged upstream of the sucking motors 10 for filtering the flow of air F in such a manner as to retain on the filter the sucked material, such that substantially clean air reaches the sucking motor 10.
  • the filters 17 are positioned inside a collecting tank (which is not shown) where the sucked material is retained, such that only clean air reaches the sucking motor 10.
  • Each filter 17 is associated with a respective sucking motor 10. It should be noted that in Figure 1 for the sake of clarity only one sucking motor 10 and one filter 17 are shown.
  • the sucking apparatus 1 further comprises a base 14 that supports the sucking motors 10.
  • a supporting element 16 on which the filters 17 are fixed is connected to the base 14 on a side opposite the sucking motors 10.
  • the base 14 is thus interposed between the sucking motors 10 and the filters 17.
  • the sucking apparatus 1 can comprise, for example, three sucking motors 10 and three filters 17.
  • the sucking apparatus 1 comprises valve means 13 interposed between, and operationally associated with, each sucking motor 10 and each filter 17.
  • the valve means 13, comprises, for example, three valve elements 23, each of which is received in a respective seat 21 made on the base 14.
  • the valve elements 23, for example the same as and independent of one another, are movable between a rest position R (shown in Figure 1 ), in which they are housed in the seats 21 (visible in Figures 2 and 4 ), and a raised position S ( Figure 4 ), in which they are raised from the respective seats 21. This occurs when the sucking motor 10 associated with the valve element 23 is working, as will be explained in greater detail below with particular reference to Figure 4 .
  • a valve element 23 When a valve element 23 is in the raised position S it allows the passage of the flow of air F prevalently along a direction indicated by the arrow A in Figure 1 .
  • Each sucking motor 10 can be axially aligned along a direction that is substantially parallel to the first direction A, to a valve element 23 and to a respective filter 17.
  • each sucking motor can be not aligned axially on the valve element 23 and on the filter 17 associated therewith, provided that the motor, the valve element and the filter are arranged in such a manner as to be traversed in sequence by the same flow of air.
  • valve element 23 is visible which has been significantly enlarged.
  • valve means 13 in particular each valve element 23 comprised therein, is provided with a calibrated passage 20 arranged for enabling, when the valve means 13 is in the rest position R, the passage of at least one portion F' of the flow of air substantially along a second direction B, opposite the first direction A, from the sucking motor 10 to the filter 17 for cleaning the latter.
  • the calibrated passage 20 is suitably sized in such a manner as to enable, on one hand, the passage of a flow of air F that is suitable for ensuring good sucking capacity of the sucking apparatus 1, and on the other hand, to enable a suitable portion F' ( Figure 4 ) of the flow of air to reach the filter 17 to clean the filter 17.
  • the calibrated passage 20 has dimensions that are such as to enable a portion F' of the flow of air to reach a filter 17 and clean the filter without there being a loss in sucking capacity of the apparatus 1.
  • the valve element 23 comprises a base portion 23a, for example disc-shaped, and a plurality of flaps 23b, for example eight flaps 23b that are angularly equidistant at an edge of the base portion 23a.
  • the flaps 23b are arranged for defining a suitable thickness for enabling the passage of the flow of air F when the valve element 23 is in the raised position S.
  • the calibrated passage 20, for example shaped as a circular hole, can be made substantially at a central zone of the base portion 23a (i.e. substantially at the centre of the disc).
  • the base portion 23a can have any other shape than the disc shape, for example a square shape or any other polygonal shape.
  • the base portion 23a abuts on the surface of the base 14 such as to ensure that the valve element 23 remains inside the seat 21 thereof.
  • the sucking apparatus 1 comprises a locking element 8 ( Figure 1 ), fixed to the base 14, and in which a plurality of cavities 24 are made that are aligned on the seats 21 parallel to the first direction A.
  • the sucking apparatus 1 thus comprises a number of cavities 24 that is equal to the number of seats 21.
  • Each cavity 24, on one side receives an end of a sucking motor 10, and on the other side is shaped as a conduit that projects to the base 14, in particular to the seat 21 underneath.
  • the locking element 8 thus enables the sucking motors 10 to be stopped, and, owing to the cavities 24 that act as a guiding element for the valve elements 23 - the valve means 13 to be moved between the rest position R and the raised position S.
  • the sucking apparatus 1 further comprises a cover 4 that, together with the base 14, bounds a chamber in which the sucking motors 10 are positioned.
  • sucking apparatus 1 Inside this chamber different known elements of the sucking apparatus 1 are positioned, such as, for example, a soundproofing element 12 - arranged for reducing the noise produced by the sucking motors 10 that spreads outside the apparatus - or a cover 7 for the sucking motors 10.
  • a soundproofing element 12 - arranged for reducing the noise produced by the sucking motors 10 that spreads outside the apparatus - or a cover 7 for the sucking motors 10.
  • a plurality of known elements are further associated such as, in particular: a pushbutton 6 for switching on and switching off the apparatus, a handle 5 for carrying the apparatus, an electric cable 2 (provided with a cable gland 3) to supply the apparatus.
  • the sucking apparatus 1 can further comprise a plurality of wheels (not shown) owing to which the operator can position the sucking apparatus 1 in the desired position.
  • sucking apparatus 1 two sucking motors 10 are always working, whilst the remaining third sucking motor 10 is not working.
  • the sucking apparatus 1 comprises an electronic control unit U, for example an electronic card, which has been schematised in Figure 4 .
  • the control unit U is further programmed for controlling the sucking motors 10 in such a manner that at least one of the sucking motors 10 is stopped and the remaining sucking motors 10 are operational.
  • the electronic control unit U thus drives the three sucking motors by suitably combining switch-ons and switch-offs of the latter.
  • the electronic control unit U controls the sucking motors 10 according to preset cyclical temporal sequences such that in successive work cycles of the same duration, the sucking motors 10 are stopped in sequence one after the other.
  • the electronic control unit U drives the apparatus 1 by repeating over time three different successive work cycles, during each of which a different sucking motor 10 is stopped.
  • valve elements 23 positioned respectively below the two sucking motors 10 that are working are maintained in the raised position S.
  • the distance of the two valve elements 23 in a raised position S from the respective seats 21 has been emphasised for the sake of clarity and the movement of the valve elements 23 has been indicated by the arrows S1 and S2.
  • the third valve element 23, arranged below the non-working sucking motor 10 is in the rest position R.
  • the valve element 23 arranged below the motor goes from the rest position R to the raised position S owing to the vacuum created by the sucking motor.
  • the vacuum created by the motor stops suddenly and the underneath valve element 23 moves from the raised position S to the rest position R.
  • the two working sucking motors 10 thus create a vacuum inside the collecting tank of the sucked material.
  • a flow of air F is thus created that is sucked inside the apparatus 1 and which, after having passed through the two filters 17 arranged below the working motors, passes through the seats 21 and enters the chamber in which the sucking motors 10 are arranged.
  • a portion F' of the flow of air passes through the calibrated passage 20 of the valve element 23 which is in the rest position R, so as to be directed to the third filter 17, i.e. the filter arranged below the non-working sucking motor (on the left in Figure 4 ).
  • This third filter 17 is then cleaned by the portion F' of flow of air, which is clean air inasmuch as it was previously filtered by the remaining two filters 17 arranged below the two working sucking motors 10.
  • the sucking apparatus 1 Owing to the presence of the calibrated passages 20, which enable the sucking motor 10 to be obtained constantly in communication with the respective filter 17 associated therewith, it is possible to clean in turn the filters 17 of the sucking apparatus 1 in a completely automatic manner. In fact, whilst the sucking apparatus 1 is in operation, stopping in turn one of the three sucking motors 10, it is thus possible to clean effectively the filter associated with the non-working sucking motor 10 without this reducing the flowrate of the flow of air F sucked by the apparatus 1.
  • One advantage of the sucking apparatus 1 is to make available automatic cleaning of the filters 17 with which the apparatus is provided without this reducing the performance of the apparatus in terms of vacuum and flowrate of the sucked air. In fact, the portion F' of flow of air that cleans the filter 17 is already included in the flow of air F found inside the sucking apparatus 1.
  • sucking apparatus 1 Another advantage of the sucking apparatus 1 is that the filters 17 are cleaned during normal operation of the apparatus.
  • a further advantage is that cleaning of the filters no longer depends on the time that the operator dedicates thereto, as it is no longer performed manually by the operator but automatically by the apparatus.
  • sucking apparatus 1 has lower structural complexity and manufacturing costs than those of known apparatuses, or at the limit structural complexity and manufacturing costs that are comparable with those of known apparatuses.
  • the sucking apparatus 1 does not require any external system, in particular it requires neither pipes, nor solenoid valves nor diverter valves for the air that would make the apparatus 1 more complex and costly.
  • a still further advantage is that the filters 17 of the sucking apparatus 1 are more durable and must therefore be replaced significantly less often than known apparatuses. Owing to this, the time that the operator has to dedicate to checking the state of cleanliness of the filters 17, and to replacing the filters 17 is significantly less than known apparatuses.
  • sucking motors 10 of filters 17 and of valve elements 23 can be provided, as long as one sucking motor 10 is always associated with a respective filter 17 and a respective valve element 23 is placed therebetween that maintains the sucking motor 10 and the filter 17 always in reciprocal communication owing to the presence of a calibrated passage 20.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Manipulator (AREA)

Claims (13)

  1. Appareil de type aspirateur (1), utilisé notamment pour le nettoyage, comprenant :
    - au moins deux moteurs d'aspiration (10) agencés pour générer un flux d'air (F) de l'extérieur vers l'intérieur dudit appareil (1) ;
    - au moins deux filtres (17) agencés en amont desdits moteurs d'aspiration (10) pour filtrer ledit flux d'air, chaque filtre (17) étant associé à un moteur d'aspiration respectif (10) ;
    - des moyens de valve (13) interposés entre, et fonctionnellement associés à, chaque moteur d'aspiration (10) et chaque filtre (17), caractérisé en ce que :
    lesdits moyens de valve sont mobiles entre une position de repos (R) dans laquelle lesdits moyens de valve (13) sont reçus dans des sièges respectifs (21), et une position soulevée (S), dans laquelle lesdits moyens de valve (13) sont soulevés desdits sièges respectifs (21) lorsque le moteur d'aspiration (10) associé est en fonctionnement, pour permettre le passage dudit flux d'air (F) principalement dans une première direction (A) ;
    dans lequel lesdits moyens de valve (13) sont pourvus d'un passage calibré (20) agencé pour permettre, lorsque lesdits moyens de valve (13) sont dans ladite position de repos (R), le passage d'au moins une portion (F') dudit flux d'air sensiblement dans une deuxième direction (B), à l'opposé de ladite première direction (A), à partir dudit moteur d'aspiration (10) vers ledit filtre (17) pour nettoyer ledit filtre (17).
  2. Appareil selon la revendication 1, comprenant une unité de commande électronique (U) agencée pour commander lesdits moteurs d'aspiration (10) de sorte qu'au moins l'un desdits moteurs d'aspiration (10) est arrêté et les autres moteurs d'aspiration (10) fonctionnent.
  3. Appareil selon la revendication 2, dans lequel ladite unité de commande électronique (U) commande lesdits moteurs d'aspiration (10) selon des séquences temporelles cycliques préréglées de sorte que lesdits moteurs d'aspiration (10) sont arrêtés séquentiellement l'un après l'autre selon des cycles de travail successifs.
  4. Appareil selon la revendication 3, dans lequel lesdits cycles de travail ont la même durée.
  5. Appareil selon l'une quelconque des revendications précédentes, dans lequel chaque moteur d'aspiration (10) est axialement aligné, selon une direction qui est sensiblement parallèle à ladite première direction (A), avec un élément de valve (23) que comportent lesdits moyens de valve (13) et avec un filtre respectif (17).
  6. Appareil selon l'une quelconque des revendications précédentes, dans lequel ledit passage calibré (20), est dimensionné de manière à permettre une portion (F') dudit flux d'air d'atteindre ledit filtre (17) et de nettoyer ledit filtre (17) sans que cela occasionne une perte de la capacité à aspirer de l'appareil.
  7. Appareil selon la revendication 5 ou 6, comprenant une base (14) dans laquelle lesdits sièges (21) pour lesdits éléments de valve (23) sont réalisés.
  8. Appareil selon la revendication 7, comprenant un élément de verrouillage (8) attaché à ladite base (14) et agencé pour verrouiller lesdits moteurs d'aspiration (10).
  9. Appareil selon la revendication 8, dans lequel ledit élément de verrouillage (8) comprend une pluralité de cavités (24) alignées sur lesdits sièges (21).
  10. Appareil selon la revendication 9, dans lequel lesdites cavités (24) ont la forme de conduits et sont agencées pour servir comme éléments de guidage pour guider le déplacement desdits moyens de valve (13) entre ladite position de repos (R) et ladite position soulevée (S).
  11. Appareil selon l'une quelconque des revendications 7 à 10, dans lequel lesdits au moins deux moteurs d'aspiration (10) sont supportés par ladite base (14) et enfermés dans une enceinte délimitée par ladite base (14) et par un couvercle (4) dudit appareil de type aspirateur (1).
  12. Appareil selon l'une quelconque des revendications 7 à 11, dans lequel lesdits filtres (17) sont attachés à un élément de support (16) connecté à ladite base (8).
  13. Appareil selon l'une quelconque des revendications précédentes, comprenant trois moteurs d'aspiration (10), trois éléments de valve (23) et trois filtres (17).
EP12167029.3A 2012-05-07 2012-05-07 Aspirateur Active EP2662011B8 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP12167029.3A EP2662011B8 (fr) 2012-05-07 2012-05-07 Aspirateur
PCT/IB2013/053605 WO2013168071A1 (fr) 2012-05-07 2013-05-06 Appareil de type aspirateur
CN201380024066.8A CN104411224B (zh) 2012-05-07 2013-05-06 抽吸设备
HK14100301.8A HK1187796B (en) 2014-01-10 Suction apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12167029.3A EP2662011B8 (fr) 2012-05-07 2012-05-07 Aspirateur

Publications (3)

Publication Number Publication Date
EP2662011A1 EP2662011A1 (fr) 2013-11-13
EP2662011B1 true EP2662011B1 (fr) 2015-09-02
EP2662011B8 EP2662011B8 (fr) 2015-10-07

Family

ID=48628755

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12167029.3A Active EP2662011B8 (fr) 2012-05-07 2012-05-07 Aspirateur

Country Status (3)

Country Link
EP (1) EP2662011B8 (fr)
CN (1) CN104411224B (fr)
WO (1) WO2013168071A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4449962A1 (fr) * 2023-04-19 2024-10-23 Hilti Aktiengesellschaft Aspirateur avec au moins trois turbines
SE2450616A1 (en) * 2024-06-05 2025-12-06 Husqvarna Ab A dust extractor with separate working air flows
WO2025254578A1 (fr) * 2024-06-05 2025-12-11 Husqvarna Ab Extracteur de poussière à unité d'entraînement améliorée

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2527787B (en) 2014-07-02 2017-01-18 Dyson Technology Ltd Vacuum cleaner
DE102016100780A1 (de) 2016-01-19 2017-07-20 Festool Gmbh Sauggerät
AU2019373598B2 (en) * 2018-11-02 2022-12-08 Tineco Intelligent Technology Co., Ltd. Cleaning device and control method therefor
US12357136B2 (en) 2020-11-19 2025-07-15 Milwaukee Electric Tool Corporation Portable dust extractor
SE2450613A1 (en) * 2024-06-05 2025-12-06 Husqvarna Ab A dust extractor with a drive unit support consisting of a foam material body

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Publication number Priority date Publication date Assignee Title
FI71660C (fi) * 1983-12-16 1990-11-11 Martti Ilmari Ollila Sugare.
DK68794A (da) * 1994-06-15 1995-12-16 Broendum V As Posefilter
KR100595564B1 (ko) * 2004-07-16 2006-07-03 엘지전자 주식회사 진공청소기
DE202004012911U1 (de) * 2004-08-18 2004-10-21 Electrostar Schöttle GmbH & Co. KG Sauggerät mit mehreren Saugmotoren
DE102005017568B4 (de) * 2005-04-11 2024-04-25 Alfred Kärcher SE & Co. KG Saugreinigungsgerät
DE502006007803D1 (de) * 2006-07-29 2010-10-14 Kaercher Gmbh & Co Kg Alfred Verfahren zum abreinigen der filter eines staubsaugers sowie staubsauger zur durchführung des verfahrens
DE202007015242U1 (de) * 2007-10-26 2007-12-27 Electrostar Schöttle GmbH & Co. KG Sauggerät
EP2237892A1 (fr) * 2007-12-19 2010-10-13 G.B.D. Corp. Ensemble séparateur cyclone et appareil de nettoyage de surface possédant cet ensemble
EP2421630B1 (fr) * 2009-04-22 2013-03-13 Alfred Kärcher GmbH & Co. KG Procédé pour décrasser les deux filtres d'un aspirateur à des fins de nettoyage et aspirateur pour mettre en oeuvre le procédé
CN201905825U (zh) * 2010-12-07 2011-07-27 乐长琴 一种吸尘器内过滤器自动清洗装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4449962A1 (fr) * 2023-04-19 2024-10-23 Hilti Aktiengesellschaft Aspirateur avec au moins trois turbines
WO2024217915A1 (fr) * 2023-04-19 2024-10-24 Hilti Aktiengesellschaft Aspirateur comprenant au moins trois turbines
SE2450616A1 (en) * 2024-06-05 2025-12-06 Husqvarna Ab A dust extractor with separate working air flows
WO2025254578A1 (fr) * 2024-06-05 2025-12-11 Husqvarna Ab Extracteur de poussière à unité d'entraînement améliorée

Also Published As

Publication number Publication date
EP2662011B8 (fr) 2015-10-07
HK1187796A1 (en) 2014-04-17
WO2013168071A1 (fr) 2013-11-14
CN104411224A (zh) 2015-03-11
CN104411224B (zh) 2016-08-17
EP2662011A1 (fr) 2013-11-13

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