EP2467047B1 - Dispositif d'aspiration de matières sous forme de poudres ou de poussières - Google Patents

Dispositif d'aspiration de matières sous forme de poudres ou de poussières Download PDF

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Publication number
EP2467047B1
EP2467047B1 EP10743135.5A EP10743135A EP2467047B1 EP 2467047 B1 EP2467047 B1 EP 2467047B1 EP 10743135 A EP10743135 A EP 10743135A EP 2467047 B1 EP2467047 B1 EP 2467047B1
Authority
EP
European Patent Office
Prior art keywords
filter body
mounting
arrangement
closing element
closing
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
EP10743135.5A
Other languages
German (de)
English (en)
Other versions
EP2467047A1 (fr
Inventor
Bernhard Ringler
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.)
Bernhard Ringler Apparatebau GmbH
Original Assignee
Bernhard Ringler Apparatebau GmbH
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Filing date
Publication date
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Publication of EP2467047A1 publication Critical patent/EP2467047A1/fr
Application granted granted Critical
Publication of EP2467047B1 publication Critical patent/EP2467047B1/fr
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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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • A47L7/0085—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids adapted for special purposes not related to cleaning
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/106—Dust removal
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
    • A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
    • A47L9/14—Bags or the like; Rigid filtering receptacles; Attachment of, or closures for, bags or receptacles
    • A47L9/1409—Rigid filtering receptacles

Definitions

  • the invention relates to a device for the extraction of powdery or dusty material, in particular health-endangering substances, according to the closer defined in the preamble of claim 1.
  • a generic suction device is from the US 4,726,825 A known.
  • suction devices are for example from the DE 30 07 345 A1 , of the DE 103 08 349 B4 or the DE 92 10 965 U1 known. If such suction devices are used to aspirate health-endangering substances or even carcinogens, there is a problem that care must be taken when emptying the collecting container and / or during the associated changing of the filter body and a fine filter following the filter body, to prevent the previously sucked material from escaping from the sump or the filter body and the operator may possibly come into contact with the hazardous substances.
  • the solutions known from the prior art offer no guarantee for this, which is why sometimes even protective suits and protective masks must be worn when emptying the collecting container or when changing the filter body of these suction devices.
  • the closing device has a holding rod for holding the closing element, by means of which the closing element is movable between its opening releasing the inlet opening and its closing position.
  • the closing element can be adjusted very easily and in particular without coming into contact with the fine filter, between the two mentioned positions.
  • the closing element For holding the holding rod and thus the closing element may further be provided that the holding rod at its end facing away from the closing element has a thread to which a nut is attached.
  • the closing device accessible by removing a cover of the housing and the closing element of the same is movable, so a very easy accessibility to the closing device according to the invention is given.
  • the closing element is formed as can be brought by the induced draft in its open position flap. In this way, there is an automatic opening and closing of the leading from the sump or the filter body in the fine filter opening, which significantly reduces the operating effort.
  • the flap by means of a locking device in its closed position is stable.
  • a further advantageous development of the invention may consist in that the fine filter is held in the housing by means of a holding device.
  • the holding device for the fine filter provides the same a secure holder within the housing.
  • a structurally very simple and the fine filter securely holding embodiment of the holding device may be given if the holding device has two spaced-apart retaining flanges, which are interconnected by means of rods, wherein the rods are releasably secured by means of respective fastening elements to at least one of the retaining flanges.
  • the filter body dressed holding flange is designed as a lid of the collecting container and having an opening for the induced draft.
  • a securing device can be provided, which enables release of the holding device for the fine filter only when the closing element is in its closing the inlet opening of the fine filter position.
  • Fig. 1 shows a device 1 for the extraction of unrepresented powdery or dusty material, in particular health-endangering substances.
  • the suction device 1 is particularly suitable for use in the pharmaceutical industry, since there the contact of a person operating the suction device 1 should be prevented under all circumstances with these health-endangering or even classified as carcinogenic substances.
  • the suction device 1 is also suitable for the extraction of other materials.
  • the suction device 1 has a housing 2, in which a in Fig. 1 arranged by a dashed line indicated collecting container 3. To the removable from the housing 2 in a manner not shown collecting container 3 performs a suction line 4, which is brought in a conventional manner by the operator to the respective extraction point. Furthermore, the suction device 1, a suction unit 5, which may be formed for example as an electric motor or may have an electric motor and in a conventional manner a Induced draft in the suction line 4 produces. The suction unit 5 shown only very schematically is connected via a connecting line 6 to the housing 2.
  • the negative pressure generated by the suction unit 5 is planted in the housing 2 and from there into the collecting container 3 and finally into the suction line 4, so that the powdery or dusty material can be sucked with this negative pressure.
  • the suction unit 5 and the housing 2 are arranged in the present case on a plurality of wheels 7 having suspension.
  • the suction device 1 could also be stationary, ie without a chassis, be formed.
  • Fig. 1 Within the housing 2 are located in the direction of in Fig. 1 with "x" designated suction between the suction line 4 and the suction unit 5 arranged filter body 8 for filtering coarse dusts and arranged in the direction of the suction between the filter body 8 and the suction unit 5 fine filter 9 for filtering fine dusts, possibly the filter body leave.
  • a first embodiment of the suction device 1 is shown in more detail in a sectional view.
  • the filter body 8 is formed in the shape of a bag, which is arranged in the collecting container 3.
  • the suction line 4 opens via an opening 10 in the housing in the filter body 8, which also has an opening 11 in this area.
  • the suction line 4 opens into the filter body 8 in such a way that the induced draft x enters the filter body 8 via the openings 10 and 11 and flows through the filter body 8 from the inside to the outside through a wall.
  • the fine filter 9 is held by means of a holding device 12 in the housing 2 of the suction device 1. From the section according to Fig. 2 Furthermore, it is apparent that the holding device 12 has two retaining flanges 13 and 14, which are spaced apart from one another in the longitudinal direction of the suction device 1, of which the lower retaining flange 13, which faces the filter body 8, is designed as a lid of the collecting container 3 and has an opening 15 for the induced draft. Opposite the housing 2, the retaining flange 13, which has been prepared for the filter body 8, is sealed by means of a peripheral sealing element 16.
  • two extending in the vertical direction of the housing 2 rods 17 are further arranged, which extend to the upper, the filter body 8 facing away from holding flange 14 and there extend through respective recesses 18 in the upper retaining flange 14.
  • the rods 17 have at this end in each case not shown thread, which are each in engagement with a nut formed as a fastening element 19 in engagement. In this way, the two rods 17 can be detachably attached to the upper retaining flange 14 of the holding device 12, whereby ultimately the fine filter 9 can be held and pressed against a circumferential sealing element 20 on the lower retaining flange 13.
  • the sealing element 20 arranged between the lower retaining flange 13 and the fine filter 9 ensures a safe inflow of the very fine dusts possibly still emerging from the filter body 8 via the inlet opening 23 into the fine filter 9.
  • a closing device 21 which has a closing element 22, which is provided to close a filter body 8 trimmed, sealing itself to the opening 15 in the lower retaining flange 13 inlet opening 23 in the fine filter 9 sealing.
  • the closing element 22 has at least approximately a spherical shape, which forms a sealing surface 22a which is able to close the inlet opening 23 in a sealing manner.
  • the closing element 22 could also be designed in the form of a cone, a plate or another suitable shape.
  • the fine filter 9 is thus flowed through from the inside to the outside, so that the entire, the filter body 8 leaving and thus very fine dust within the fine filter 9 remains.
  • the fine filter 9 may be a so-called candle filter, which may have a wall thickness of 30-80 mm.
  • the closing device 21 in the in Fig. 2 illustrated embodiment a support rod 24 on which the closing element 22 is mounted.
  • the support rod 24 is held in the filter body 8 facing away from the upper retaining flange 14.
  • the holding rod 24 has, at its end facing away from the closing element 22, a thread, not shown, on which a nut 25 designed, for example, as a wing nut is attached.
  • a preferably not shown in a groove of the retaining flange 14 arranged, also not shown sealing element may be provided to seal the support rod 24 and a leakage of very fine dusts on the Implementation of the support rod 24 in the retaining flange 14 provided bore to prevent.
  • the thread of the support rod 24 may be made correspondingly short to ensure that that part of the support rod 24 rests against the sealing device, which is not provided with a thread.
  • FIG Fig. 3 illustrated securing device 27 is provided which allows release of the holding device 12 only in this case.
  • the securing device 27 has a mounted on the support rod 24 between the retaining flange 14 and the nut 25 Tab 28, which extends to the fasteners 19 of the rods 17 and engages around the same. Only after moving the nut 25, the tab 28 can be brought into a position such that the fasteners 19 can be opened.
  • FIG. 4 An alternative embodiment of the closure device 21 shows Fig. 4 ,
  • the closing element 22 is designed as a flap 29, which can be brought by the induced draft within the housing 2 of the suction device 1 in its open position.
  • the flap 29 is designed so that it automatically assumes its closed position when switching off the suction train.
  • the flap 29 can be held by means of a locking device, not shown, in its closed position.
  • the flap 29 may be provided at its the inlet opening 23 side facing with a ball or a cone.
  • FIGS. 5 and 6 show further views of the extracted from the housing 2 of the suction device 1 collecting 3 with the filter body 8 arranged therein.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Claims (15)

  1. Dispositif (1) pour l'aspiration de poudres ou de matières sous forme de poussières, en particulier de substances dangereuses pour la santé, avec un boîtier (2), avec un conteneur de collecte (3) destiné à réceptionner le matériau d'aspiration aspiré, avec un conduit d'aspiration (4) conduisant au conteneur de collecte (3), avec un ensemble aspirant (5) générant un courant d'aspiration dans le conduit d'aspiration (4), avec un corps filtrant (8) disposé dans le sens du courant d'aspiration entre le conduit filtrant (4) et l' ensemble aspirant (5) et avec un filtre fin (9) disposé dans le sens du courant d'aspiration entre le corps filtrant (8) et l'ensemble aspirant (5), dans lequel le conduit d'aspiration (4) s'engage dans le corps filtrant (8) de telle manière que le courant d'aspiration pénètre dans le corps filtrant (8) par une ouverture et traverse le corps filtrant (8) par une cloison de ce dernier, de l'intérieur vers l'extérieur, et dans lequel, le filtre fin (9) présente une ouverture d'entrée (23) orientée vers le corps filtrant (8),
    caractérisé en ce que
    l'ouverture d'entrée (23) du corps filtrant (8) est équipée d'une installation de verrouillage (21), qui comporte un élément de verrouillage (22) pour verrouiller l'ouverture d'entrée (23) et pourvue d'une surface d'étanchéité (22a).
  2. Dispositif selon la revendication 1,
    caractérisé en ce que
    l'élément de verrouillage (22) présente au moins approximativement une forme de sphère.
  3. Dispositif selon la revendication 1 ou 2,
    caractérisé en ce que
    l'installation de verrouillage (21) comporte une barre de maintien (24) pour fixer l'élément de verrouillage (22), au moyen de laquelle, l'élément de verrouillage (22) est mobile entre une position de dégagement de l'ouverture d'entrée (23) et une position de verrouillage de l'ouverture d'entrée (23).
  4. Dispositif selon la revendication 3,
    caractérisé en ce que
    la barre de maintien (24) comporte un filetage à son extrémité éloignée de l'élément de verrouillage (22) sur lequel est adapté un écrou (25).
  5. Dispositif selon l'une des revendications 1 à 4,
    caractérisé en ce que
    l'installation de verrouillage (21) est rendue accessible par retrait d'un couvercle (26) du boîtier (2) et l'élément de verrouillage (22) de cette dernière est mobile.
  6. Dispositif selon la revendication 1,
    caractérisé en ce que
    l'élément de verrouillage (22) est constitué d'un clapet (29) qui peut être amené par le courant d'aspiration dans sa position d'ouverture.
  7. Dispositif selon la revendication 6,
    caractérisé en ce que
    le clapet (29) peut être maintenu dans sa position de fermeture par une installation de verrouillage.
  8. Dispositif selon l'une des revendications 1 à 7,
    caractérisé en ce que
    le filtre fin (9) est fixé dans le boîtier (2) au moyen d'une installation de fixation (12).
  9. Dispositif selon la revendication 8,
    caractérisé en ce que
    l'installation de fixation (12) comporte deux flasques de fixation (13, 14) espacés l'un de l'autre et qui sont liés entre eux par des tiges (17), dans lequel les tiges (17) sont respectivement fixées de façon amovible, par des éléments de fixation (19), à au moins un des flasques (14).
  10. Dispositif selon la revendication 9,
    caractérisé en ce que
    le flasque de fixation (13) orienté vers le corps filtrant (8) constitue le couvercle du conteneur de collecte (3) et présente une ouverture (15) pour le courant d'aspiration.
  11. Dispositif selon la revendication 10,
    caractérisé en ce que
    un élément d'étanchéité (20) est disposé entre le flasque de fixation (13) orienté vers le corps filtrant (8) et le filtre fin (9).
  12. Dispositif selon la revendication 10 ou 11,
    caractérisé en ce que
    un élément d'étanchéité (16) est disposé entre le flasque de fixation (13) orienté vers le corps filtrant (8) et le boîtier (2).
  13. Dispositif selon les revendications 3 ou 9,
    caractérisé en ce que
    la barre de maintien (24) est fixée au flasque de fixation (14) éloigné du corps filtrant (8).
  14. Dispositif selon la revendication 13,
    caractérisé par
    une installation de sécurité (27), qui n'autorise une libération de l'installation de fixation (12) du filtre fin (9) que lorsque l'élément de verrouillage (22) se trouve dans sa position de verrouillage de l'ouverture d'entrée (23) du filtre fin (9).
  15. Dispositif selon la revendication 14,
    caractérisé en ce que
    l'installation de sécurité (27) comporte au moins un collier (28) solidaire de la barre de maintien (24), qui entoure les éléments de fixation (19) des tiges (17).
EP10743135.5A 2009-08-21 2010-08-17 Dispositif d'aspiration de matières sous forme de poudres ou de poussières Active EP2467047B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910038310 DE102009038310B4 (de) 2009-08-21 2009-08-21 Vorrichtung zur Absaugung von pulver- oder staubförmigem Material
PCT/EP2010/061918 WO2011020819A1 (fr) 2009-08-21 2010-08-17 Dispositif d'aspiration de matières sous forme de poudres ou de poussières

Publications (2)

Publication Number Publication Date
EP2467047A1 EP2467047A1 (fr) 2012-06-27
EP2467047B1 true EP2467047B1 (fr) 2013-06-05

Family

ID=43299352

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10743135.5A Active EP2467047B1 (fr) 2009-08-21 2010-08-17 Dispositif d'aspiration de matières sous forme de poudres ou de poussières

Country Status (3)

Country Link
EP (1) EP2467047B1 (fr)
DE (1) DE102009038310B4 (fr)
WO (1) WO2011020819A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB201507588D0 (en) * 2015-05-01 2015-06-17 Hubble Justin L And Gamble Robert Vacuum storage box
DE202016100873U1 (de) 2016-02-19 2016-03-29 Al-Ko Therm Gmbh Mobile Entstaubungsvorrichtung zum Abscheiden von Verunreinigungen aus einem Luftstrom

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE515927C (de) * 1931-01-15 Aeg Staubsauger
DE3007345A1 (de) * 1980-02-27 1981-09-10 Bernhard 7076 Waldstetten Ringler Absauggeraet, insbesondere fuer gewerbliche oder industrielle zwecke
US4726825A (en) 1985-02-22 1988-02-23 Gpac, Inc. Disposable HEPA filtration device
US4929261A (en) * 1989-03-28 1990-05-29 Jacobson Earl Bruce HEPA filter module
DE4007147A1 (de) * 1990-03-07 1991-09-12 Esta Apparatebau Absaugeinrichtung fuer schweisspistolen
DE9210965U1 (fr) * 1992-08-17 1992-10-15 Ringler, Bernhard, 7076 Waldstetten, De
US5259854A (en) * 1992-12-23 1993-11-09 Gpac, Inc. Disposable HEPA filtration device
DE10308349B4 (de) * 2003-02-27 2005-02-17 Bernhard Ringler Apparatebau Gmbh Saugvorrichtung
WO2009018454A2 (fr) * 2007-08-02 2009-02-05 Donaldson Company, Inc. Ensemble filtre de ventilation de carter de moteur ; composants et procédés

Also Published As

Publication number Publication date
DE102009038310B4 (de) 2012-01-26
EP2467047A1 (fr) 2012-06-27
WO2011020819A1 (fr) 2011-02-24
DE102009038310A1 (de) 2011-02-24

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