EP2749193A1 - Mehrfach-Filterstaubsauger mit unabhängiger Schüttlerreinigungsvorrichtung für jeden Filter - Google Patents

Mehrfach-Filterstaubsauger mit unabhängiger Schüttlerreinigungsvorrichtung für jeden Filter Download PDF

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Publication number
EP2749193A1
EP2749193A1 EP13199322.2A EP13199322A EP2749193A1 EP 2749193 A1 EP2749193 A1 EP 2749193A1 EP 13199322 A EP13199322 A EP 13199322A EP 2749193 A1 EP2749193 A1 EP 2749193A1
Authority
EP
European Patent Office
Prior art keywords
filter
vacuum cleaner
shaker
duct
vacuum chamber
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
EP13199322.2A
Other languages
English (en)
French (fr)
Other versions
EP2749193B1 (de
Inventor
Giancarlo Bettella
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.)
SOLARYS Srl
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SOLARYS Srl
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Filing date
Publication date
Application filed by SOLARYS Srl filed Critical SOLARYS Srl
Priority to RS20210022A priority Critical patent/RS61304B1/sr
Publication of EP2749193A1 publication Critical patent/EP2749193A1/de
Application granted granted Critical
Publication of EP2749193B1 publication Critical patent/EP2749193B1/de
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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
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/12—Dry filters
    • A47L9/127—Dry filters tube- or sleeve-shaped
    • 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

Definitions

  • the invention relates to the sector of industrial vacuum cleaners.
  • the invention concerns a multi-filter vacuum cleaner with independent shaker cleaning device for each filter.
  • the filters are arranged between a chamber in which a vacuum is created by a suction turbine and a chamber for inlet of the dusty air and collection and accumulation of said dust once separated from the flow sucked in.
  • the filters normally comprise one or more cartridges positioned parallel to one another, each of cylindrical shape, with the lateral surface consisting of a sheet of pleated porous material, the lower base closed and the upper base having a circular opening through which the air flows, said air having been previously filtered by passing through said porous material.
  • some vacuum cleaners are provided with a cleaning device, of electromechanical or pneumatic type, comprising a striking head adapted to perform a mechanical shaking action on the vacuum cleaner filters.
  • each filter is always cleaned, disadvantageously, while the vacuum cleaner is operating and the filter is in use, and therefore the cloud of dust dislodged from the walls of the filter shaken by the action of the striking head is immediately re-deposited on the surface of said filter, sucked in by the suction turbine.
  • the cleaning effect is therefore annulled or in any case rendered ineffective.
  • the suction would have to be interrupted every time a filter is cleaned.
  • the aim of the invention is therefore to provide a multi-filter vacuum cleaner with independent shaker cleaning device for each filter which has a particularly efficient mechanical cleaning effect, without affecting the general operation of the vacuum cleaner and in particular without interrupting the work thereof.
  • a further aim of the invention is to provide a cleaning device which is easy and inexpensive to produce, that can be combined with any type of vacuum cleaner, and can also be used in environments with the risk of explosion, in full compliance with the relevant safety regulations.
  • a multi-filter vacuum cleaner with independent shaker cleaning device for each filter comprising shaker means with striking head, which can be selectively activated and are adapted to act on each filter, wherein said vacuum cleaner comprises:
  • connection ducts comprise a plurality of openings adapted to connect the inside of the corresponding filter to said vacuum chamber to ensure suction of the primary flow of dusty air.
  • valve means comprise:
  • said activating means of said piston comprise a solenoid or a pneumatic actuator.
  • said elastic return means comprise a helical spring coaxial to said duct, arranged between the base of said piston and a ring fixed to a terminal section of said duct.
  • said activating means cause the movement of said piston to close said duct, while said elastic return means cause the inverse movement of said piston to open said duct.
  • said vacuum cleaner comprises a plurality of turbines, each independently connected to a vacuum chamber.
  • connection duct is interposed between each vacuum chamber and each filter provided with an outlet adapted to connect the inside of the corresponding filter to said vacuum chamber to ensure suction of the primary flow of dusty air by activating each turbine.
  • said valve means comprise:
  • said elastic return means comprise a helical spring positioned in said vacuum chamber, between said diaphragm and said turbine.
  • the activation of one of said turbines causes the movement of said diaphragm to open the respective duct, while said elastic return means cause the inverse movement of said diaphragm to close said duct.
  • said shaker means comprise a striking head, electromechanically activated by a solenoid or by a cam vibrator, adapted to strike said filter to exert a mechanical vibrating action to perform effective cleaning.
  • the main advantage of the invention is given by the fact that said shaker means are active on a given cartridge filter only when the corresponding connecting duct between the filter and the turbine is closed by respective valve means, so as to isolate each individual filter during its mechanical cleaning phase with respect to the remaining filters of the vacuum cleaner which remain active, thus optimising the cleaning action.
  • valve means described do not require any additional motor for their activation, thus making the cleaning device, and the entire vacuum cleaner, lighter, cheaper and safer, as it can also be used in environments with the risk of explosion or in combination with operating machines that can generate sparks.
  • the embodiment of the invention that provides for each filter a single suction chamber directly connected to a single turbine, prevents the shaker means from being lapped by the flow of dusty air sucked and is even cheaper as the use of several turbines in one single vacuum cleaner significantly reduces the suction power required by each of them and therefore saves on the cost of the individual turbines which, in this way, can also be much smaller.
  • the lower electrical power requirement and the very compact overall dimensions allow the cleaning device to be easily used on a wide range of vacuum cleaner models, which can also be used on building sites with low availability of electricity, such as civil domestic building sites.
  • the invention concerns a vacuum cleaner 100, particularly of industrial type, provided with a first type of independent shaker cleaning device for each filter.
  • the vacuum cleaner 100 comprises essentially a suction turbine 1 of a primary flow of dusty air F, associated with a vacuum chamber 2 and activated by a control unit (not illustrated), a plurality of cartridge filters 6 to clean said primary flow of dusty air F, each connected to said vacuum chamber 2, and containment means 7 for containing the dust sucked in and retained by said filters 6.
  • Said turbine 1 is adapted to create a vacuum in said chamber 2.
  • Said containment means 7 consist essentially of a tank provided with an outlet for disposing of the dust sucked, according to prior art.
  • Said filter cleaning device essentially comprises:
  • Said shaker means 9 with striking head comprise for each filter 6, in parallel to the respective valve means 3, an electromechanical solenoid filter shaker of known type.
  • said filter shaker can be of the cam vibrator type or of another per se known type.
  • Said shaker means 9 are controlled by the control unit of the vacuum cleaner 100, simultaneously with the respective valve means 3, and produce a mechanical cleaning action, thanks to the rapidly alternating vertical translation movement of a striking head 17 adapted to repeatedly strike the top surface of the respective filter 6 with which they are associated, causing the vibration thereof and contributing to detachment of the dust.
  • each duct 8 comprises a plurality of lateral openings 4 adapted to connect the inside of the duct 8 to said vacuum chamber 2 to ensure suction of the primary flow of dusty air F.
  • Each duct 8 is associated with said valve means 3, adapted to reversibly close said openings 4 during the mechanical cleaning phase of the corresponding cartridge filter 6.
  • Said valve means 3 comprise, for each filter 6, a piston 10, means for activating said piston 10 controlled by said control unit and elastic return means 12.
  • Said activating means comprise a solenoid 11 of known type.
  • said activating means comprise a pneumatic actuator provided substantially with a solenoid valve and a compressed air supply line.
  • Said piston 10 slides in said duct 8 controlled by said activating means against the action of corresponding elastic return means 12.
  • the alternating movement of said piston 10 causes selectively and reversibly the opening ( Fig. 3 ) and closing ( Fig. 4 ) of said openings 4.
  • the piston 10 slides with a slight play with respect to the inner surface of the duct 8, so that the alternating movement of the piston 10 can cause substantially airtight opening and closing of the openings 4.
  • the duct 8 is made of metal, while the piston is made of self-lubricating material, for example Teflon ® or Nylon.
  • Said elastic return means 12 comprise a helical spring coaxial to said duct 8, arranged between the base of said piston 10 and a ring 13 fixed to a terminal section of said duct 8.
  • the helical spring has a frustoconical shape to self-centre and better adapt to the working conditions.
  • the invention concerns a vacuum cleaner 100 provided with a second type of shaker cleaning device independent for each filter.
  • the vacuum cleaner 100 comprises a plurality of suction turbines, for example three, 1a, 1b, 1c, arranged according to the vertexes of an equilateral triangle, each one independently connected to its own vacuum chamber 2a, 2b, 2c.
  • the turbines can be of the type with electric motor with collector.
  • FIG. 1 show two cartridge filters 6, two corresponding vacuum chambers 2a, 2b connected in turn to two suction turbines 1a, 1b which can be activated by a control unit (not illustrated).
  • a connecting duct 8 is interposed provided with an outlet 5 adapted to connect the inside of the corresponding filter 6 to said vacuum chamber 2a, 2b to ensure suction of the primary flow of dusty air F by means of the activation of each turbine 1 a, 1 b.
  • said valve means 3 comprise, for each filter 6, a diaphragm 14 and elastic return means 15.
  • Said diaphragm 14 slides in said vacuum chamber 2a, 2b due to the suction force of the corresponding turbine 1 a, 1b against the action of elastic return means 15 so as to cause, also in this case, by means of its alternating movement, the opening ( Fig. 6 ) and closing ( Fig. 7 ) of said outlet 5.
  • Said diaphragm 14 has a circular shape and an area slightly larger than the area of the transverse section of the connecting duct 8 against which it has to abut.
  • Said diaphragm 14, on its face facing the turbine 1 a, 1b, 1c, is provided with a plurality of spacer teeth 16 adapted to define a plurality of openings for the flow of dusty air F even when the diaphragm 14 is sucked by the suction force of the turbine 1 a, 1 b and is positioned against it.
  • Said elastic return means 15 comprise a helical spring contained in said vacuum chamber 2a, 2b, arranged between said diaphragm 14 and said turbine 1 a, 1b.
  • said electromechanical shaker means 9 with striking head comprise for each filter 6, parallel to the respective valve means 3, an electromechanical filter shaker of known type with solenoid or cam.
  • the flow of dusty air F passes through the cartridge filters 6 and from here reaches the vacuum chamber 2, 2a, 2b, 2c from where it is emitted clean into the external environment via the turbine 1, 1 a, 1 b, 1 c.
  • control unit is pre-set to activate the respective shaker means 9 and simultaneously ensure that the valve means 3 close the connecting duct 8 between the filter 6 to be cleaned and the vacuum chamber 2, 2a, 2b, 2c to prevent passage of the flow of dusty air F sucked, so that said shaker means are active on a given cartridge filter 6 only when the corresponding connecting duct 8 is closed.
  • control unit ensures that the valve means 3 re-open the connecting ducts 8 and the filter 6 is re-placed in a vacuum thanks to the restored connection to the vacuum chamber 2, 2a, 2b, 2c.
  • valve means comprise a piston 10 activated by a solenoid or a pneumatic actuator
  • the control unit acts directly to control said piston
  • the control unit acts indirectly to activate said diaphragm 14 by simply commanding the operation of said suction turbines 1a, 1b, 1c.
EP13199322.2A 2012-12-27 2013-12-23 Mehrfach-Filterstaubsauger mit unabhängiger Schüttlerreinigungsvorrichtung für jeden Filter Active EP2749193B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RS20210022A RS61304B1 (sr) 2012-12-27 2013-12-23 Multi-filterski usisivač sa nezavisnim vibracionim uređajem za čišćenje za svaki filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000026A ITCR20120026A1 (it) 2012-12-27 2012-12-27 Aspirapolvere plurifiltro con dispositivo di pulizia a scuotimento indipendente per ogni filtro

Publications (2)

Publication Number Publication Date
EP2749193A1 true EP2749193A1 (de) 2014-07-02
EP2749193B1 EP2749193B1 (de) 2020-11-18

Family

ID=47720605

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13199322.2A Active EP2749193B1 (de) 2012-12-27 2013-12-23 Mehrfach-Filterstaubsauger mit unabhängiger Schüttlerreinigungsvorrichtung für jeden Filter

Country Status (5)

Country Link
EP (1) EP2749193B1 (de)
DK (1) DK2749193T3 (de)
ES (1) ES2843050T3 (de)
IT (1) ITCR20120026A1 (de)
RS (1) RS61304B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107440602A (zh) * 2017-09-08 2017-12-08 晋江兴翼机械有限公司 一种循环交替过滤的工业吸尘器及其控制方法
EP3753464A1 (de) * 2019-06-18 2020-12-23 Hilti Aktiengesellschaft Anordnung einer abreinigungseinheit in einer staubsaugvorrichtung und staubsaugvorrichtung mit einer solchen anordnung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004012911U1 (de) * 2004-08-18 2004-10-21 Electrostar Schöttle GmbH & Co. KG Sauggerät mit mehreren Saugmotoren
EP1997415A1 (de) * 2007-06-01 2008-12-03 Guido Valentini Staubsaugvorrichtung mit automatischer Filterreinigung
US20080302070A1 (en) * 2007-06-06 2008-12-11 Castronovo Charles A Vacuum Cleaners with Self-Cleaning Filtration, and other Self-Cleaning Filters
WO2009041890A2 (en) * 2007-09-28 2009-04-02 Htc Sweden Ab Methods, device and valve for cleaning a separator filter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004012911U1 (de) * 2004-08-18 2004-10-21 Electrostar Schöttle GmbH & Co. KG Sauggerät mit mehreren Saugmotoren
EP1997415A1 (de) * 2007-06-01 2008-12-03 Guido Valentini Staubsaugvorrichtung mit automatischer Filterreinigung
US20080302070A1 (en) * 2007-06-06 2008-12-11 Castronovo Charles A Vacuum Cleaners with Self-Cleaning Filtration, and other Self-Cleaning Filters
WO2009041890A2 (en) * 2007-09-28 2009-04-02 Htc Sweden Ab Methods, device and valve for cleaning a separator filter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107440602A (zh) * 2017-09-08 2017-12-08 晋江兴翼机械有限公司 一种循环交替过滤的工业吸尘器及其控制方法
CN107440602B (zh) * 2017-09-08 2020-04-10 晋江兴翼机械有限公司 一种循环交替过滤的工业吸尘器及其控制方法
EP3753464A1 (de) * 2019-06-18 2020-12-23 Hilti Aktiengesellschaft Anordnung einer abreinigungseinheit in einer staubsaugvorrichtung und staubsaugvorrichtung mit einer solchen anordnung
WO2020254167A1 (de) * 2019-06-18 2020-12-24 Hilti Aktiengesellschaft Anordnung einer abreinigungseinheit in einer staubsaugvorrichtung und staubsaugvorrichtung mit einer solchen anordnung
JP2022535938A (ja) * 2019-06-18 2022-08-10 ヒルティ アクチエンゲゼルシャフト 真空掃除機の除塵ユニットの配置及びかかる配置を有する真空掃除機

Also Published As

Publication number Publication date
ES2843050T3 (es) 2021-07-15
RS61304B1 (sr) 2021-02-26
EP2749193B1 (de) 2020-11-18
ITCR20120026A1 (it) 2014-06-28
DK2749193T3 (da) 2021-01-18

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