WO2007028176A1 - Filtermodul - Google Patents
Filtermodul Download PDFInfo
- Publication number
- WO2007028176A1 WO2007028176A1 PCT/AT2005/000359 AT2005000359W WO2007028176A1 WO 2007028176 A1 WO2007028176 A1 WO 2007028176A1 AT 2005000359 W AT2005000359 W AT 2005000359W WO 2007028176 A1 WO2007028176 A1 WO 2007028176A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter
- module
- filter module
- elements
- housing
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/04—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia
- B01D45/08—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators
- B01D45/10—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising inertia by impingement against baffle separators which are wetted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0002—Casings; Housings; Frame constructions
- B01D46/0005—Mounting of filtering elements within casings, housings or frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0035—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by wetting, e.g. using surfaces covered with oil
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
- B01D2273/10—Allowing a continuous bypass of at least part of the flow, e.g. of secondary air, vents
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49826—Assembling or joining
Definitions
- the invention relates to a filter module for the separation of extraneous substances from machine exhaust air, comprising a filter housing having an inlet opening and an outlet opening for the passage of machine exhaust air, at least one fastening element for fastening the filter module to a machine and a filter housing arranged in the filter arrangement of at least two in the flow direction filter groups of rod-shaped, parallel to each other in a constant center distance and with its longitudinal axis substantially transversely to the flow direction arranged filter elements with a filter medium, wherein the filter elements of two adjacent filter groups are parallel to each other and are arranged transversely to their longitudinal axes and the flow direction relative to each other.
- US Pat. No. 6,726,749 B2 discloses a generic filter device for the separation of extraneous substances from exhaust air from machines, in particular office machines. This has in a filter housing on a plurality of filter rods, which are supplied from a liquid container with liquid, and a holder for fixing the filter housing to a machine, wherein the filter rods are positioned in the exhaust air stream. As can be seen in FIG. 7 of the US patent, in one embodiment the filter rods are arranged in a row and the rows are offset relative to one another. The non-airborne ingredients are adsorbed when passing from the wetted with liquid filter rods and thereby separated from the exhaust air stream.
- a disadvantage of this system is that the filter rods are each fastened individually in the filter housing and maintenance or replacement of the filter rods is correspondingly tedious and lengthy.
- Another disadvantage is that the liquid is consumed during the period of use of the filter device and the liquid container to extend the service life must be refilled regularly to maintain the wetting of the filter rods on. Infestation requires great care or additional aids to avoid contamination. Irrespective of the supply of liquid, if the filter rods are heavily soiled after prolonged service life or heavily contaminated machine exhaust air, cleaning or replacement of the filter rods or of the entire filter apparatus may be necessary, as can be seen from the separately fastened filters. Terstäbe higher costs caused by increased Manipulationsaurwand or a complete replacement.
- the object of the invention is now to provide a generic filter device, which is characterized by a further simplified application and causes only small costs in production and use.
- the summary of the filter elements with at least one filter support to at least one filter insert proves that can be solved by the filter housing.
- the filter cartridge can thereby be manipulated independently of the filter housing, e.g. in order to facilitate cleaning of the filter elements or of the filter medium, to replace individual filter elements or to replace the entire filter insert.
- the filter support may be a strip-shaped element, to which the individual filter elements are preferably attached at right angles, parallel to each other and at a constant center distance, or also, e.g. be formed frame-shaped and fix both ends of the individual filter elements.
- the filter medium can be arranged both on the outer surface of the filter elements, as well as in the interior of the filter elements when the filter medium through openings in the surface of the filter elements can come into contact with the exhaust air, for example, when the filter element is formed like a cage.
- a further advantageous effect is achieved by the formation of a plurality of filter cartridges, in particular in that a plurality of rows of filter elements, preferably the individual filter groups are combined, each with its own filter carrier.
- the individual filter rows or filter groups can thereby be cleaned or replaced independently of each other depending on the degree of contamination, whereby the cost of replacing the filter cartridges are reduced because still usable filter cartridges can be used.
- the displacement of the filter elements of two filters arranged one behind the other in the flow direction terluid by half the center distance causes the exhaust air is deflected when passing the filter elements maximum and the separation efficiency of the filter module is improved.
- an insertion opening for the filter cartridges in the filter housing allows a more direct and better access to the individual filter cartridges, as through the inlet opening or outlet opening, since they allow only a sequential access to the individual filter cartridges.
- the insertion opening can also be formed by a series of openings through which the individual filter elements protrude into the interior of the filter housing, while the filter carrier remains outside of the filter housing.
- guide elements for securing the mounting position can be designed in the form of a longitudinal guide, along which the filter inserts are inserted into the filter housing, or else in the form of punctiform guide elements, which only become effective shortly before reaching the correct installation position.
- An advantageous possibility to position a filter insert in the installed position consists according to a further embodiment is to make the Einschuböffhung as a guide element by the latter receives the filter carrier with little play and thus takes place a fixation of the inserted filter insert transversely to the insertion direction. It is possible to provide a separate insertion opening for each filter insert or to place the filter inserts tightly through a common feed opening.
- An additional form of a guide element may be formed according to a further sub-claim by a recess or enforcement in the filter housing relative to the insertion opening into which protrude one or more filter elements or a frame-shaped filter carrier.
- the recess may be limited to the housing wall alone or be formed by a sleeve-shaped, projecting into the interior of the filter housing Tarhahme- element that receives an end portion of the filter elements or the filter cartridge.
- the filter assemblies forming a filter inserts perform identical.
- the production by the larger quantities and the storage cost-effective reduces the possibility of confusion for the user.
- a further increase in user-friendliness can be achieved according to a further embodiment feature by a symmetrical design of the filter cartridges.
- the offset between the individual filter cartridges is effected in the embodiments with two or three planes of symmetry by the offset of the guide elements or the insertion openings.
- the filter elements according to a further embodiment with a large effective cross-section, i.
- a further increase in the degree of separation can be achieved by arranging more than two filter elements behind one another or a plurality of filter modules in succession, which, however, also increases the flow resistance, which may occur only to a limited extent so as not to adversely affect the heat removal of the exhaust-emitting machine. permissible to adversely affect.
- One way to save costs for the filter inserts is to releasably connect the filter elements according to a further subclaim with the filter carrier, whereby also individual filter elements can be replaced.
- individual filter elements when the individual filter elements are loaded by the flow conditions to different degrees with the air-foreign substances or dust particles, swapping individual filter elements may be advantageous.
- the filter elements can be removed individually, which in certain embodiments of the filter elements (eg with a star-shaped cross section) or the filter inserts can facilitate cleaning.
- the filter elements are connected to the filter carrier by means of a press fit and thus no additional fastening means are required.
- the choice of the material for the filter medium according to a described embodiment of the filter module from the group of porous material, fibrous tissue, pulp material or a plastic foam is advantageous to positively affect the separation efficiency of the filter module.
- the pores and fibrous components in these act are advantageous to positively affect the separation efficiency of the filter module.
- materials as additional mechanical deposition surfaces may simultaneously serve as a storage medium for a chemically and / or physically effective liquid that adsorbs or absorbs the non-airborne ingredients.
- the porous material may e.g. be formed by a ceramic or metallic foam, which have high mechanical strength and are therefore insensitive to damage during assembly or cleaning.
- the fibrous web of inorganic or organic and natural fibers e.g. Cellulose, cellulose acetate, polyester, etc. is also characterized by high filtration efficiency.
- Plastic foams or latex foam can also be used as a filter medium, in particular open-cell materials such as PU foam, which is often used as a wet filter medium.
- a plurality of different filter media can also be used in a filter arrangement in order to combine the respective advantageous properties.
- the filter volume can be increased considerably, whereby the service life of the filter cartridges can increase or the storage volume for liquid can be increased. Furthermore, the reduction in the number of materials used can reduce the manufacturing costs for the filter elements. It may also be advantageous in certain embodiments to integrally form the filter medium and the filter element, in particular if the strength of the filter medium is sufficient to absorb the forces occurring during assembly and handling of the filter inserts without damage, for example if the filter medium is sufficiently compacted. As a result, the production costs can also be reduced with a suitable choice of material.
- the filter medium is in each case arranged only on a partial section of the filter element. It is thus possible, for example, to provide the filter medium in a material-saving manner only on the upstream side of the filter elements.
- the expansion of the filter medium may also be restricted to a section inside a filter element.
- the ends of the filter elements may be designed without filter medium in order to facilitate attachment to the filter carrier or in the filter housing by a plug connection.
- the arrangement of the filter medium according to another sub-claim on the surface of the filter elements provides a largely free design possibility of the shape of the supporting filter elements, as well as good accessibility in a possible cleaning of the filter elements. Complex cross-sectional shapes can be made difficult with the filter media mentioned in some cases, which is why in these cases a subsequent attachment to the surface of the filter elements is easier to accomplish.
- the connection between the filter medium and the filter elements may be mechanical, e.g. by clamping or re-clamping the filter medium as well as by a separate adhesive layer or applying the filter medium in a sticky state, e.g. by foaming the filter elements with a mass which forms the filter medium in the hardened state.
- An improvement of the separation effect of the filter module can be achieved according to a further subclaim by wetting the filter medium with a liquid selected from the group of liquids glycerol, silicone oil, essential oil, paraffin oil and / or latex emulsion.
- a liquid selected from the group of liquids glycerol, silicone oil, essential oil, paraffin oil and / or latex emulsion.
- the non-airborne ingredients in the exhaust air of the machine such as dust, fine dust, ultrafine particles, pollen, spores, bacteria, other aerosols with solid or liquid particles, in the case of an office machine in particular toner dust and / or paper abrasion can be good mechanical contact with the wetted filter medium bound and gaseous impurities such as ozone, benzene, phenol, carbon dioxide, formaldehyde or unpleasant odors may also be chemisorbed and / or neutralized by contact with the liquid.
- An advantageous effect of these components is a low vapor pressure and a
- liquids promote a uniform distribution in the filter medium due to the capillary action that occurs when wetting the filter medium.
- a correspondingly adjusted high viscosity and surface tension direct wetting of the filter element is also possible, as a result of which the filter medium is formed by the liquid.
- Another possible embodiment of the filter module is to add to the liquid an olfactory substance, whereby the air flowing out of the filter module air can trigger a pleasant Gerachsempfindung.
- the concentration and the rate of evaporation of the olfactory substance By adjusting the concentration and the rate of evaporation of the olfactory substance, the duration of the fragrance delivery can be adapted to the service life of the liquid, whereby the declining smell sensation can be used as an indicator for a necessary replacement of the filter elements or a renewal of the liquid.
- liquid an antibacterial, -virale, -mykotic or fungicidal substance to mix, which on the one hand on the machine delivered bacteria or fungal spores are rendered harmless in contact with the liquid and on the other hand, the enrichment or colonization the filter elements with bacteria, viruses or fungi is prevented.
- the filter medium it is advantageous to equip the filter medium with an antibacterial surface. This can be achieved, for example, by coating or impregnation with silver, in particular nanoscale silver, or a silver coating. take place.
- the liquid in cavities within the filter elements it is advantageous to store the liquid in cavities within the filter elements and pass through openings, e.g. small holes or slits to slowly dispense to the filter medium.
- the liquid losses in the filter medium by the evaporation can be compensated in this way constantly and the service life of the filter elements can be extended.
- a possible development is to form at least part of the filter medium by activated carbon, which is characterized by high adsorption capacity for air-foreign gases and odors.
- the filter elements with activated charcoal constituents in the filter medium are therefore to be arranged in the flow direction before the scent-emitting filter elements.
- ferromagnetic particles e.g. Iron abrasion from the machine according to one embodiment is provided to equip one or more filter elements with a magnetic element or a magnetic component.
- This can be formed by a permanent magnet, but also by an electromagnet.
- a further embodiment of the filter module is characterized in that the rod-shaped filter elements have an oblong cross section, that is to say a cross section with a pronounced longitudinal axis.
- the ratio of surface area to volume of the filter elements increases, whereby a large filter area can be accommodated in a relatively small space.
- the filter module as seen in the throughflow direction, can also be built short with a plurality of filter inserts arranged one behind the other.
- the cross-section of the filter elements can be performed in a quadrangular, triangular, star-shaped or round according to a further embodiment of the filter module.
- the quadrangular, triangular or round, in particular circular design of the filter elements manufacturing technology is easy to manufacture, further favors the quadrangular and circular cylindrical shape a symmetrical design of the filter cartridges.
- the star-shaped cross-section offers a high value in the ratio of surface area to volume of the filter element, whereby a large filter area can be accommodated in a relatively small space.
- the cross-sectional shape can also be used to influence the flow of exhaust air through the filter assembly, for example, to swirl the flow through unfavorable, eg rectangular cross-sections and to intensify the contact of the exhaust air with the filter medium or to calm the flow through flow-favorable, eg triangular cross-sections If the exhaust air flow of the machine is strong and turbulent and thus possibly disturbing.
- the fastening element for fastening the filter module to the exhaust-emitting machine can advantageously be formed by an adhesive layer, an adhesive tape, a Velcro strip, a screw, a socket pin, a snap connector, these fastening possibilities being mentioned only as examples and also using other fastening means can be.
- a Velcro connection between the filter housing and machine easy mounting and handling by the user is possible. Due to the intimate connection between the hook tape and the loop tape of the Velcro connection a seal between the machine and the filter housing is effected, whereby the exhaust air flow is largely guided by the filter module.
- a separate sealing element e.g. a self-adhesive sponge rubber strip can be used.
- fastening element in the region of the inlet opening of the filter housing, in order to achieve small and inexpensive components for the attachment and an optically inconspicuous attachment.
- a further advantageous fastening possibility of the filter module is achieved if a groove is formed on the back of the filter housing facing the machine, in which a winkelprof ⁇ lmés compensation element is inserted and that the compensation element by means of the fastener, preferably a Velcro fastener, attached to the machine.
- the filter housing it is also advantageous to equip the filter housing with one or more connecting elements for connection to additional filter modules.
- it is of course possible to adapt the size of a filter module in each case to the exhaust air opening of the machine it is generally more economical to produce the filter modules in a uniform size and to assemble a filter device of suitable size by connecting a plurality of filter modules. Due to the many different types and sizes of machines in which the filter modules can be used, the custom combination of a standard size is more convenient than a variety of custom designs.
- connection between two filter modules can be formed according to a further embodiment in each case by a locking pin, a mounting rail or mounting groove, a dovetail connection, a Velcro connection.
- connection can be formed according to a further embodiment in each case by a locking pin, a mounting rail or mounting groove, a dovetail connection, a Velcro connection.
- All other types of connection such as Gluing, screws, clamps, snap connections or similar can be used.
- the embodiment according to another claim comprising two boundary walls of two filter housings at their edges with a clamping element, can advantageously be done on the front and / or the back of the filter housing.
- the clamping element is designed, for example, as a U-profile, which achieves the clamping effect when plugged in by a press fit.
- the filter cartridge on the filter carrier has a grip element on which the filter cartridge can be gripped by the user when installed.
- a production of the components of a filter module, in particular of the filter housing, the filter support and / or the filter element according to a subclaim in the plastic injection molding process is particularly economical for large quantities and consistently achieves high workpiece accuracies and qualities.
- the temperature of the exhaust air must be taken into account, so that in use by the exhaust air temperatures no impermissible changes in shape of the components of the filter module.
- An easily manufactured embodiment of the releasable connection between filter insert and filter housing is according to another claim is to provide a non-positive snap connection, in particular with a engaging in a detent recess, spherical locking projection jump.
- the filter module at the outlet opening i. be equipped with a grille on the visible front.
- a grille on the visible front.
- This offers on the one hand protection against accidental contact with the filter elements, in particular if they are wetted with liquid and on the other hand an optical design possibility for the front of the filter module.
- the flow of the exiting, filtered air can also be influenced, e.g. be distracted in a certain direction.
- the cover grille come again all common types of mounting in question such. Screws, clamps, gluing etc.
- FIG. 1 shows a filter module with a partially pulled-out filter element in a perspective view
- Figure 2 is a filter module in elevation along the line II-II in Figure 3 in a simplified representation ..;
- FIG. 3 shows two embodiments of the filter module in plan view along the line III-III in Figure 2 in a simplified, fragmentary illustration ..;
- FIG. 4 shows several embodiments of the detachable connection between a filter insert and a filter housing in sections and in a simplified representation
- FIG. 5 embodiments of filter cartridges with one, two and three planes of symmetry in a simplified representation, in elevation and plan view;
- Fig. 6 shows two embodiments of a filter element in a simplified, perspective Presentation
- Fig. 7 shows two further embodiments of a filter element in a simplified, perspective view
- Fig. 8 shows a Aus collirungsform the connection between two filter modules in a simplified, sectional representation.
- Fig. 1 shows an embodiment of a filter module 1 according to the invention for the separation of non-airborne ingredients from machine exhaust.
- the exhaust air can come from a variety of different machines, an important application of the filter modules 1 of the invention is in machines that emit their exhaust air in closed rooms in which people are. This particularly applies to office machines such as copiers, printers or fax machines, which are used in many places and frequently.
- Ingredients which are separated or filtered are dust, particulate matter, ultrafine particles, pollen, spores, microorganisms, e.g. Bacteria and other aerosols with solid or liquid particles, in the case of an office machine in particular toner dust or paper abrasion and gaseous impurities such as ozone, benzene, phenol, solvents of printing ink and inks, carbon dioxide, formaldehyde or unpleasant odors.
- the main body of the filter module 1 is formed by a filter housing 2, which is designed for the passage of the exhaust air of a machine.
- the exhaust air flow or the throughflow direction 3 of the exhaust air is represented by an arrow 3.
- the filter housing 2 is formed in the illustrated embodiment as a rectangular frame with four boundary walls 4, but in the flow direction 3, another, e.g. have circular cross section and a greater extent, and thus be tubular. Furthermore, the cross section in the flow direction 3 can be constant or variable.
- the exhaust air flows through an inlet opening 5 to an outlet opening 6 of the filter housing 2, which offer the largest possible free cross-section for low-loss transmission.
- the filtering of the exhaust air takes place by means of a filter arrangement 7 arranged in the interior of the filter housing 2, which comprises at least two, one behind the other in the direction of flow 3
- Filter groups 8 is formed. Each filter group 8 consists of several rod-shaped, parallel to each other in a constant center distance 9 and arranged with their longitudinal axes substantially transverse to the flow direction 3 filter elements 10. Furthermore, the filter elements 10 of at least two adjacent filter groups 8 are parallel to each other. If there are more than two filter groups 8 in a filter arrangement 7, one or more filter groups 8 may also have orientations of the filter elements 10 deviating from the two adjacent and parallel filter groups 8.
- a filter insert 12 is in the illustrated embodiment, in each case a largely planar structure, wherein the surface is aligned normal to the flow direction 3.
- the individual filter elements 10 are rod-shaped with a rectangular transverse formed, wherein the longer rectangular side is aligned transversely to the flow direction 3.
- other shapes for example square, triangular, star-shaped, circular-cylindrical or oval cross-sections, are possible, with which in particular the effects set out in the introduction to the description can be achieved.
- the filter supports 11 form a connection of a plurality of filter elements 10, wherein in the illustrated embodiment, in each case the arranged in a plane perpendicular to the flow direction 3 filter elements 10 are combined and thus exactly one filter group 8 is contained in a filter element 12.
- the filter elements 10 of a filter arrangement 7 can be combined in many different ways by the formation of the filter carriers 11, e.g. by the strip-shaped filter carrier 11 are oriented in the flow direction 3 and filter elements 10 of different filter groups 8 connect together.
- all filter elements 10 are combined with a filter carrier 11, whereby the filter arrangement 7 is formed from only one filter insert 12.
- the filter elements 10 of two successive Filtergrappen 8 are seen in the flow direction 3 is not arranged in a straight line one behind the other, but offset from one another transversely to the flow direction 3 parallel.
- two identical filter inserts 12 are offset from each other by half of the center distance 9 arranged in the filter housing 2, whereby successive filter elements 10 are also offset from each other and behind each one of two adjacent filter elements 10 of a filter group 8 formed gap centrally oriented a filter element 10 of an adjacent filter group 8 is located. If the width of the filter elements 10, as in the example shown, is greater than half the center distance 9, a straight pass of the filter assembly 7 is impossible and forced a strong deflection of the exhaust air flowing through, which increases the deposition effect.
- the filter cartridges 12 can be introduced with appropriate dimensions through the inlet opening 5 and / or the outlet opening 6 axially relative to the flow direction in the filter housing 2, but it is expedient, as shown in the embodiment, in the filter housing 2 has its own insertion opening 13 for the or to provide the filter cartridges 12.
- the insertion opening 13 is designed so that two adjacent and staggered filter carrier 11 can be received with little play.
- a separate insertion opening 13 may be provided for each filter element 12, whereby a larger distance between successive filter groups 8 is formed.
- the insertion opening 13 simultaneously forms a guide element 14 in that it receives the filter inserts 12 with little play in the installed position and thus defines its position.
- Further guide elements 14 are formed by recesses 15 in the filter housing 2, in which engage the free ends of the filter elements 10 in the installed state. In many cases, however, the guidance by fixing the filter support 11 in the insertion opening 13 is sufficient.
- this has a plurality of connecting elements 16 on the boundary walls 4, which allow simple assembly of larger filter devices from individual filter modules 1.
- two types of connecting elements 16 are exemplified, wherein on a filter module 1 different, but also only the same connection elements 16 can be used.
- On the vertical boundary walls 4 are each a vertically oriented dovetail rail 17 and a dovetail groove 18 are arranged with which filter modules 1 can be connected in the horizontal direction.
- holes 19 are arranged on the horizontal B, which can be introduced into the connecting pin, not shown, and a connection of filter modules 1 can be made in the vertical direction.
- a filter module 1 is shown cut in elevation, wherein a filter insert 12 inserted in the filter housing 2 can be seen.
- a filter medium 20 is arranged, which is indicated by a hatching in sections.
- the filter medium 20 is a porous material which has cavities and / or capillaries in its interior and can be impregnated with a liquid.
- the liquid is a silicone oil type AK 2000 from the company Wacker Chemie can be replaced by all liquids mentioned in the introduction.
- the pores contained ne the effective surface of the filter medium 20 against a smooth surface greatly increased, at the same time form the pores necessary for storing the liquid volume.
- the filter medium 20 is constructed of polyester fibers which are pressed into a fibrous composite.
- Filter media of this and similar type are available, for example, from Filtrona. Of course, other materials for constructing the filter medium 20 can be used.
- the strength of this composite makes it possible to construct the filter element 10 entirely from the material of the filter medium 20. Filter element 10 and filter medium 20 are thus formed inexpensively in one piece.
- the filter elements 10 are connected to the filter carrier 11 by a press fit and can be exchanged by simply pulling out and inserting.
- Fig. 3 shows two embodiments of the filter module cut in plan.
- a filter module 1 is attached to a machine housing 22, in such a way that the inlet opening 5 of the filter housing 2 is positioned in extension of the exhaust ports 23 of the machine.
- the filter housing 2 is connected by means of a fastening element 24 with the machine housing 22.
- the fastening element 24 is formed in the exemplary embodiment by a Velcro tape with cooperating loop tape and hook tape, wherein the hook tape with the filter housing 2, for example by gluing, connected and the loop tape is connected to the machine housing 22 or vice versa.
- the fastener 24 is disposed directly on the boundary wall 4, while in Fig.
- the fastener 24 is disposed on a winkelprof ⁇ lartigen compensation element 25.
- This is mounted on the machine-facing back of the filter housing 2 in a groove 26, whereby an adjustment of the distance between the filter module 1 and machine housing 22 is possible by a leg of the compensating element 25 in the groove 26 is displaceable.
- the compensating element 25 has a higher flexibility than the entire filter module 1 and can therefore more easily adapt to unevenness of the machine housing 22, as a result of which attachment to non-planar machine housings 22 is also possible. At the same time a lateral escape of the exhaust air between the machine housing 22 and filter module is prevented by the compensation element 25.
- a grille 27 is attached, on the one hand provides protection of the filter elements against accidental contact, as well as by the execution of the grid elements 28 allows influencing the exhaust air flow.
- FIGS. 4a to 4f show various examples of the connection of the filter carrier 11 and the filter insert 12 to the filter housing 2 and an upper boundary wall 4, respectively.
- Fig. 4a shows a connecting plate 28 which overlaps two adjacent edges of the filter housing 2 and filter carrier 11 and with these solvable, z. B. an adhesive film is connected.
- FIG. 4b shows a filter carrier 11 which overlaps the filter housing 2 in the region of the insertion opening 13, wherein in the overlapping area a detachable connecting means 29, e.g. a reusable adhesive film or a Velcro tape is arranged.
- a detachable connecting means 29 e.g. a reusable adhesive film or a Velcro tape is arranged.
- Fig. 4c also shows an overlapping arrangement of filter support 11 and filter housing 2, wherein a connection is made by a screw 30.
- FIG. 4 d shows an embodiment in which the filter carrier 11 rests on a support strip 31, which is connected to the filter housing 2.
- the support bar 31 may be formed as a separate component as well as integrally with the filter housing 2.
- Fig. 4f shows a frictional snap connection between the filter carrier 11 and the filter housing 2, in which engages a convex locking projection 33 on the filter carrier 11 in the installed position in a detent recess 34 in the filter housing.
- FIGS. 4 g to 4 j show examples of the positioning of the filter elements 10 or of a filter insert 12 in the interior of the filter housing 2.
- FIG. 4g shows a recess 35 into which a filter carrier 11 of a filter insert 12 enters. protrudes.
- the recess 35 may have a bevel, not shown.
- 4h shows a bush-shaped receptacle 36, which is arranged on the inside of a boundary wall 4. This can be formed in one piece by the boundary wall 4, or as a separate component which is attached to the boundary wall 4.
- the positioning pin 37 which projects into a recess on the end face of the filter element 10 or of the filter carrier 11.
- the positioning pin 37 may also have a tip, which does not require a separate recess, in particular for relatively soft filter elements.
- FIG. 4j shows, as a guide element for a filter element 10 or a filter carrier 11, an enforcement 38 in a boundary wall 4.
- filter inserts 12 are shown in simplified form in elevation and plan view in FIG.
- FIG. 5 a shows a filter insert 12 with a pronounced longitudinal axis 39, a vertical axis 40 and a transverse axis 41, comprising a filter carrier 11 and four parallel filter elements 10 fastened thereto.
- the filter insert 12 is only clamped with respect to a plane from the longitudinal axis 39 and the vertical axis 40, symmetrical.
- the offset between successive filter elements 10 can be achieved by half turning the filter insert 12 about the vertical axis 40, wherein the filter supports 11 are not offset from each other.
- FIG. 5b shows a filter cartridge 12, with two planes of symmetry, namely the plane spanned by the longitudinal axis 39 and the vertical axis 40 and the plane spanned by the vertical axis 40 and the transverse axis 41.
- two planes of symmetry namely the plane spanned by the longitudinal axis 39 and the vertical axis 40 and the plane spanned by the vertical axis 40 and the transverse axis 41.
- FIG. 5 c shows a filter insert 12 with a third plane of symmetry, spanned by the longitudinal axis 39 and the transverse axis 41.
- both ends of the filter elements 10 must be fastened to a filter carrier 11.
- two identical filter carrier 11 or a frame-shaped filter carrier 11 can be used.
- Fig. 6a shows a filter element 10 with a cuboid base body. From the surface of which only a portion of the filter element 10 is provided with the filter medium 20. The free ends of the filter element 10 can be easily pressed into a filter carrier 11 in this embodiment. In this asymmetrical design, attention must be paid to the orientation of the filter medium 20 during assembly.
- Fig. 6b shows a cuboid filter element 10, wherein the filter medium 20 extends over the entire circumference.
- a filter cartridge 12 can be turned to extend the service life.
- a magnetic element 42 is arranged from a permanent magnet, with which the separation effect for ferromagnetic particles is increased in the exhaust air flow.
- Fig. 7 two embodiments of filter elements 10 with circular cross-section in a simplified, perspective view are included.
- FIG. 7 a shows a circular-cylindrical filter element 10, which is formed entirely from the filter medium 20. Within the porous filter medium 20, the adsorbent liquid is stored and largely uniformly distributed by the capillary action. This embodiment is very inexpensive to manufacture.
- Fig. 7b shows a circular cylindrical filter element 10, comprising a circular cylindrical
- Container 43 with arranged on its outer jacket filter medium 20. This is through openings 44, for example, fine holes or slots, with the interior of the container 43 fluid-connected id.
- the container 43 serves as a storage for the liquid and passes through the Openings 44 to the filter medium 20 during the period of use.
- FIG. 8 shows a further variant of connecting two filter modules 1.
- the connecting means used is a clamping element 45, which frictionally connects two boundary walls 4 of two filter housings 2 or filter modules 1.
- the clamping element 45 is formed as a U-shaped profile, which is inserted over two adjacent edges of two boundary walls 4.
- the clamping element 45 is elastically deformed and caused by acting between the mounting walls 4 contact force the non-positive connection by friction.
- the clamping element 45 can be used on the front side and / or on the rear side of the filter housing 2. If the clamping connection is used only on one side, a distance can occur between the boundary walls 4 when force is applied on the other side - the composite of several filter modules 1 thus acquires a certain flexibility for adaptation to non-planar machine housings 22.
- FIGS. 1 to 8 can form the subject of independent solutions according to the invention.
- the relevant objects and solutions according to the invention can be found in the detailed descriptions of these figures.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Filtering Materials (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES05781949T ES2392173T3 (es) | 2005-09-09 | 2005-09-09 | Módulo de filtrado |
AU2005336321A AU2005336321B2 (en) | 2005-09-09 | 2005-09-09 | Filter module |
EP05781949A EP1922129B1 (de) | 2005-09-09 | 2005-09-09 | Filtermodul |
CA2624857A CA2624857C (en) | 2005-09-09 | 2005-09-09 | Filter module |
KR1020087008428A KR101087814B1 (ko) | 2005-09-09 | 2005-09-09 | 필터 모듈 |
US12/066,233 US8343247B2 (en) | 2005-09-09 | 2005-09-09 | Filter module |
JP2008529407A JP5462485B2 (ja) | 2005-09-09 | 2005-09-09 | フィルタ・モジュール |
PCT/AT2005/000359 WO2007028176A1 (de) | 2005-09-09 | 2005-09-09 | Filtermodul |
US13/728,159 US8986413B2 (en) | 2005-09-09 | 2012-12-27 | Filter module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/AT2005/000359 WO2007028176A1 (de) | 2005-09-09 | 2005-09-09 | Filtermodul |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/066,233 A-371-Of-International US7255315B2 (en) | 2005-02-25 | 2005-02-25 | Mounting structure for sprinklers |
US13/728,159 Continuation US8986413B2 (en) | 2005-09-09 | 2012-12-27 | Filter module |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007028176A1 true WO2007028176A1 (de) | 2007-03-15 |
Family
ID=36215606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2005/000359 WO2007028176A1 (de) | 2005-09-09 | 2005-09-09 | Filtermodul |
Country Status (8)
Country | Link |
---|---|
US (2) | US8343247B2 (de) |
EP (1) | EP1922129B1 (de) |
JP (1) | JP5462485B2 (de) |
KR (1) | KR101087814B1 (de) |
AU (1) | AU2005336321B2 (de) |
CA (1) | CA2624857C (de) |
ES (1) | ES2392173T3 (de) |
WO (1) | WO2007028176A1 (de) |
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DE102008050039A1 (de) * | 2008-08-11 | 2010-02-18 | Elringklinger Ag | Partikel-Abscheidevorrichtung für eine Aerosol-Strömung |
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US9566504B2 (en) | 2009-11-12 | 2017-02-14 | Novomatic Ag | Air cleaner for removing air pollutants from an air stream |
EP2327466A1 (de) | 2009-11-12 | 2011-06-01 | Novomatic AG | Luftreiniger zur Entfernung von Luftverunreinigungen aus einem Luftstrom |
WO2011057761A2 (en) | 2009-11-12 | 2011-05-19 | Novomatic Ag | Air cleaner for removing air pollutants from an air stream |
KR20120097509A (ko) | 2009-11-12 | 2012-09-04 | 덱스? 유에스에이 엘엘씨 | 기류로부터 공기오염물질들을 제거하기 위한 공기청정기 |
EP2638943A2 (de) | 2009-11-12 | 2013-09-18 | Novomatic AG | Luftreiniger zur Entfernung von Luftschadstoffen aus einem Luftstrom |
US8696780B2 (en) | 2009-11-12 | 2014-04-15 | Nonomatic AG | Air cleaner for removing air pollutants from an air stream |
EP2756875A1 (de) | 2009-11-12 | 2014-07-23 | Novomatic AG | Luftreiniger zur Entfernung von Luftverunreinigern aus einem Luftstrom |
DE202010007120U1 (de) | 2010-05-21 | 2011-09-07 | Novomatic Ag | Kühlluftreiniger eines Elektronikgeräts |
AU2011254966B2 (en) * | 2010-05-21 | 2015-07-23 | Novomatic Ag | Cooling air purifier for an electronic instrument |
WO2011144334A1 (de) | 2010-05-21 | 2011-11-24 | Novomatic Ag | Kühlluftreiniger eines elektronikgeräts |
GB2561573A (en) * | 2017-04-18 | 2018-10-24 | Univ Bath | Air filters |
GB2561573B (en) * | 2017-04-18 | 2023-02-15 | Univ Bath | Air filters |
US11779874B2 (en) | 2017-04-18 | 2023-10-10 | University Of Bath | Air filters |
WO2020263664A1 (en) * | 2019-06-24 | 2020-12-30 | Corning Incorporated | Air filter assembly |
WO2023062199A1 (de) * | 2021-10-14 | 2023-04-20 | Kara Juergen | Filterstufe |
Also Published As
Publication number | Publication date |
---|---|
AU2005336321B2 (en) | 2012-01-12 |
EP1922129A1 (de) | 2008-05-21 |
US20130180221A1 (en) | 2013-07-18 |
JP2009506887A (ja) | 2009-02-19 |
KR101087814B1 (ko) | 2011-11-29 |
JP5462485B2 (ja) | 2014-04-02 |
CA2624857C (en) | 2010-12-21 |
US8343247B2 (en) | 2013-01-01 |
US20080314248A1 (en) | 2008-12-25 |
US8986413B2 (en) | 2015-03-24 |
ES2392173T3 (es) | 2012-12-05 |
AU2005336321A1 (en) | 2007-03-15 |
EP1922129B1 (de) | 2012-08-29 |
CA2624857A1 (en) | 2007-03-15 |
KR20080049814A (ko) | 2008-06-04 |
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