EP0573906B1 - Dispositif de nettoyage pour salles stériles - Google Patents

Dispositif de nettoyage pour salles stériles Download PDF

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Publication number
EP0573906B1
EP0573906B1 EP93108981A EP93108981A EP0573906B1 EP 0573906 B1 EP0573906 B1 EP 0573906B1 EP 93108981 A EP93108981 A EP 93108981A EP 93108981 A EP93108981 A EP 93108981A EP 0573906 B1 EP0573906 B1 EP 0573906B1
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EP
European Patent Office
Prior art keywords
filter
parts
accordance
fan units
housing
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.)
Expired - Lifetime
Application number
EP93108981A
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German (de)
English (en)
Other versions
EP0573906A2 (fr
EP0573906A3 (fr
Inventor
Rudolf Dr.Ing. Simon
John Crawford Dryden
Franz Schlitz
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.)
Meissner and Wurst GmbH and Co
Original Assignee
Meissner and Wurst GmbH and Co
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Publication date
Application filed by Meissner and Wurst GmbH and Co filed Critical Meissner and Wurst GmbH and Co
Publication of EP0573906A2 publication Critical patent/EP0573906A2/fr
Publication of EP0573906A3 publication Critical patent/EP0573906A3/xx
Application granted granted Critical
Publication of EP0573906B1 publication Critical patent/EP0573906B1/fr
Anticipated expiration legal-status Critical
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • F24F3/167—Clean rooms, i.e. enclosed spaces in which a uniform flow of filtered air is distributed

Definitions

  • the invention relates to a cleaning device for clean room areas according to the preamble of claim 1.
  • filter-fan units In cleanrooms, for. B. arranged on the ceiling filter-fan units.
  • the filter-fan units rest on a supporting structure, or they are screwed to it, see e.g. US-A-4 409 889.
  • Filter-fan units are also known, which are individually suspended from the clean room ceiling. Careful planning is required to arrange the filter fan units in a specific configuration.
  • the support structure is complex and expensive and difficult to assemble. It cannot be built in-house, but only by the supplier.
  • the invention has for its object to design the generic cleaning device so that it is simple and can also be installed by the user.
  • a plurality of filter-fan units in modular construction can be connected to one another to form a self-supporting structural unit.
  • structural units can be assembled easily and by the user himself, especially since the structural units can be attached to simple supports.
  • a structurally complex and therefore expensive support structure for the filter-fan units is not necessary.
  • the units can be put together on the spot from the filter-fan units. Since there is no need for a complex supporting structure, special planning for the erection of the cleaning device according to the invention is not necessary, so that, in addition to inexpensive, variable and simple assembly, the construction units also enable the cleaning device to be set up quickly. This advantage is particularly noticeable in larger facilities.
  • the modular design not only small facilities can be created; Larger clean rooms can also be produced inexpensively and easily in the manner according to the invention.
  • dirt-sensitive products for example wafers
  • transport devices 1 which are provided on tables 2 or the like.
  • the clean room area 3 is delimited at the top by filter-fan units 4 and laterally by wall parts 5 which are attached to the filter-fan units.
  • the filter-fan units 4 have supports 6 (Fig. 2) supported on the floor. The supports 6 are not shown in Fig. 1 for clarity.
  • the clean room area 3 can have any shape. In the exemplary embodiment shown, it consists of sections lying at right angles to one another.
  • the filter-fan units 4 are designed as modules that can be assembled into self-supporting structural units 7 (FIG. 2). 2, four filter fan units 4 of the same design are connected to form one structural unit. As shown in FIG. 1, however, a plurality of filter-fan units 4 in series can also be connected to one another to form a structural unit 7 'or, for example, two filter-fan units located next to one another to form a structural unit 7' '.
  • the filter-fan units 4 can be connected to one another in any arrangement and number to form different structural units.
  • two filter-fan units 4 which have a rectangular outline, lie against one another with their long sides, while the two pairs of filter-fan units also lie against one another with their narrow sides.
  • the structural unit 7 '(FIG. 1) is formed by a series of filter-fan units 4 which lie against one another with their long sides.
  • the filter-fan units 4 of the unit 7 ′′ lie against one another with their narrow sides.
  • the filter-fan units 4 of the respective structural unit are connected to one another by connecting parts 8 to 10 (FIG. 2).
  • the connecting parts 8 to 10 consist of metallic flat material and are with screws 11 and slot nuts 12 (FIG. 4) on the housing 13 of the respective filter-fan unit 4 attached.
  • Cross-shaped connecting parts 8 are used to connect four filter-fan units 4 lying in pairs and T-shaped and tab-shaped connecting parts 9 and 10 are used to connect two filter-fan units lying next to one another.
  • a support (FIG. 14) extending continuously over the entire length of the structural unit can also be provided.
  • the cross-shaped connecting parts 8 are provided at nodes on the top and bottom where four filter-fan units collide.
  • the T-shaped connecting parts 9 are attached to the edges of the filter-fan unit 4 on the upper and lower sides thereof, while the tab-shaped connecting parts 10 are arranged on the side walls of the structural unit (FIG. 2).
  • Each filter-fan unit 4 has two fans 70, 71 located next to one another at a distance (FIG. 2). At the top of each filter fan unit 4 there are connection sockets 18, 18 'for the power supply to the fans 70, 71. Via the connection sockets 18, 18', it is possible in a simple manner to pass through adjacent filter fan units 4 To connect cables 19 electrically. In a departure from the exemplary embodiment shown, the filter-fan unit can also have only one fan or more than two fans.
  • the connecting part 8 has four arms 20 of equal length (FIG. 4), each with four at their free ends 21 Have push-through openings 22 for the screws 11.
  • a slot nut 12 is assigned to each screw.
  • the slot stones are pushed into profile grooves 14, which are provided on the housing 13 of the filter-fan unit and into which the screws 11 are screwed.
  • each arm 20 is fastened to two adjacent filter-fan units 4 by means of the sliding blocks 12 and the screws 11. Since each arm 20 is assigned four screws 11, a secure attachment of the connecting part 8 at the node of the four filter-fan units 4 is ensured.
  • the cross-shaped connecting part 8 gives the assembly 7 formed from the four filter-fan units in the node due to the described design and fastening a high strength.
  • the web 25 is narrower than the foot 26, which has approximately the same width as the arms 20 of the connecting part 8.
  • the foot 26, like the arm 20 of the cross-shaped connecting part 8, is fastened in two side-by-side profile grooves 14 of adjacent filter-fan units 4 (FIG. 2), while the web 25 is in flush-fitting profile grooves 14 of these filter-fan units 4 is held.
  • four openings 27 are provided at the free end for the passage of the screws 11, while at the two ends 28, 29 of the web 25 there are two through openings 30 and 31, respectively, which are spaced one behind the other in the longitudinal direction of the web 25 .
  • adjacent filter-fan units 4 of a structural unit can also be connected to one another by the tab-shaped connecting parts 10, which are on the end faces of the filter-fan units 4 (FIG. 2) or on the latter Top and / or bottom can be fastened with sliding blocks 12 and screws 11.
  • the connecting parts 10 each have at their ends two through openings 16, 16 'and 17, 17' one behind the other in the longitudinal direction.
  • the housing of the filter-fan units 4 is formed by profile walls 15, which are preferably of identical design on all sides of the housing.
  • the wall 15 is designed as a hollow chamber profile part which has two cavities 34, 34 ′ lying one above the other and separated from one another by an intermediate wall 35, which are essentially mirror-symmetrical with respect to a plane containing the intermediate wall 35.
  • the wall 15 can of course also be designed asymmetrically.
  • the intermediate wall 35 can also be omitted; with a corresponding design of the wall 15, further partition walls can also be provided.
  • the cavities 34, 34 ' are essentially rectangular and are delimited by two mutually parallel side walls 72, 73, which are connected to one another in half width by the intermediate wall 35.
  • the side walls 72, 73 are connected to one another by profile parts 23 and 24, which each have the profile groove 14 (FIGS. 5 and 6).
  • profile parts 23 and 24 are connected to one another by profile parts 23 and 24, which each have the profile groove 14 (FIGS. 5 and 6).
  • the profile parts 32, 32 ' run perpendicular to the profile parts 23, 24, so that the slots 33, 33 'of the profile parts 32, 32' lie in the plane of the side wall 72.
  • the profile parts 23, 24 and 32, 32 ' are preferably of identical design. As shown in FIG. 6, the profile parts 23, 24 protrude beyond the side wall 73 forming the inside of the wall part 15.
  • the two legs 14a, 14b and 14a ', 14b' of the profile parts 23, 24 are of different widths.
  • the legs 14a, 14a 'adjoining the outer side wall 72 are approximately twice as wide as the legs 14b, 14b.
  • Longitudinal webs 37 to 39 protrude vertically from the inner side wall 73.
  • the web 37 is located slightly below the intermediate wall 35 and the web 38 at a short distance above the bottom 41 of the profile part 23 projecting beyond the side wall 73.
  • the longitudinal web 39 forms an extension of the bottom 42 of the profile part 24 projecting beyond the side wall 73. Only with regard to Formation of these longitudinal webs 37 to 39, the profile wall 15 is not mirror-symmetrical to the intermediate wall 35.
  • the lower profile part 23 serves to fasten the wall part 5 of the clean room 3, which is preferably a curtain made of polyvinyl chloride (FIG. 10), but which can also consist of other suitable materials. It is screwed to a holding piece 43 which is fastened to the profile part 23.
  • the holding piece 43 is an angle rail with an L-shaped cross section, the short leg 44 of which is at least with the help of a sliding block 12, which lies in the profile groove 14, and is held on the profile part 23 with screws 45.
  • the leg 44 lies on the legs 14a ', 14b' of the profile part 23.
  • the curtain On the longer leg 47 of the holding piece 43, the curtain is fastened, which is clamped between the leg and a clamping rail 48 by means of screws 49 which pass through the upper edge of the wall part 5 and the clamping rail 48 and are screwed into threaded holes in the leg 47 of the holding piece 43.
  • the curtain 5 can also be a glass or plastic pane.
  • the curtain can also be fastened in the side profile part 32 ', as shown in FIG. 11.
  • slot nuts 50 are inserted into the groove of the profile part 32 '.
  • the curtain lies on the legs of the profile part 32 'and is clamped between the latter and the clamping part 48 with the screws 49.
  • Sealing profile parts 51, 52 can be inserted into the profile parts 32 and 32 '(FIG. 12), which seal the filter-fan units 4 of a structural unit 7 lying next to one another at the contact surfaces.
  • the sealing parts 51 and 52 can be made of rubber, plastic or a similar material and have a holding part 36, 36 'with a triangular cross-section, which lies in the groove of the profile parts 32, 32' and to which a strip-shaped sealing body 46, 46 'connects, which protrudes through the slot 33, 33 'of the profile parts 32, 32' to the outside.
  • the sealing profile parts 51, 52 can be pressed very easily into the grooves of the profile parts 32, 32 'through the slots 33, 33'.
  • the holding part 36, 36 'of the sealing profile parts 51, 52 engages behind the legs 40, 40' and 40a, 40a 'of the profile parts 32, 32', so that the sealing profile parts are held securely.
  • FIG. 5 and 6 show, the edge of an upper wall 53 of the housing 13 rests on the longitudinal web 39 of the wall 15.
  • the edge 55 of a base 54 projects into the gap formed between the base 41 of the lower profile part 23 and the longitudinal web 38.
  • a filter pack 56 is arranged, which is secured upward by the longitudinal web 37, which overlaps the filter pack on the edge.
  • the bottom 54 has passage openings for the air in a known manner and is preferably formed by an expanded metal grid.
  • the upper wall 53 of the housing 13 is fastened on the longitudinal web 39 with screws 58.
  • a web 39 ′ projecting vertically outwards from the side wall 73 can be provided, which projects over the side wall 73 to the same extent as the profile part 24 .
  • the edge of the wall 53 can be inserted into the gap 57 between the longitudinal web 39 'and the bottom 42 of the profile part 24. Securing with screws is not necessary. Otherwise, this profile wall 15 'is of the same design as the exemplary embodiment according to FIG. 6.
  • the embodiment according to FIG. 8 differs from the embodiment according to FIG. 6 only in that the profile wall 15 ′′ is not designed as a hollow profile part, but has only one wall 61.
  • the slot or gap 62 between the bottom 41 of the lower profile part 23 and the longitudinal web 38 is wider than in the previously described embodiment. For the rest, this is Embodiment designed the same as the embodiment of FIG. 6.
  • the embodiment according to FIG. 9 differs from the embodiment according to FIG. 8 only in that the upper housing wall 53 is held with its edge as in the embodiment according to FIG. 7 between the bottom 42 of the profile part 24 and the longitudinal web 39. Apart from the single-walled design, this exemplary embodiment thus corresponds to the embodiment according to FIG. 7.
  • the structural units 7 can also be attached to a ceiling, a substructure of a room or the like (FIG. 3).
  • wire ropes 59 are provided which are fastened to the upper profile parts 24 via coupling parts 63, such as blocks or the like.
  • the coupling parts 63 like the supports, can be screwed to the profile parts via sliding blocks.
  • profile struts made of steel, aluminum or the like can also be used.
  • the supports 6 can also be connected to one another via longitudinal members 64 which are connected to the profile parts 24 and / or to the supports.
  • Cross members 65 can be fastened on these side members 64, by means of which the structural units can be connected to the side members 64 in the transverse direction.
  • the longitudinal beams 64 and / or the cross beams 65 give the structural unit a high degree of inherent stability.
  • the filter-fan units 4 can also be connected in a row to the structural unit 7 '. (Fig. 13) are connected to one another, the filter-fan units lying against one another with their narrow sides.
  • a structural unit 7 ′′ which is likewise formed from filter-fan units 4 and is arranged perpendicularly to one another, is connected to this structural unit 7 ′.
  • This structurally very simple arrangement serves z. B. for sealing a transport system 66 for wafers, which is below the unit 7 ', 7''.
  • the preferably rectangular housing 105 of the filter-fan units 103 is formed by profile walls 106, 106 ', which are preferably of identical design on all four sides of the housing.
  • the filters 129, 129 ' are held on them with frames 122, 122'.
  • the wall 106 is designed as a hollow profile part which is approximately c-shaped in longitudinal section.
  • One longitudinal side 107, 107 'of the hollow profile part lies on the inside of the housing and merges into the legs 108, 109 and 108', 109 'running perpendicularly to it, and to the leg ends 110, 111 and lying at right angles to them and aligned with one another Connect 110 ', 111'.
  • leg ends 110, 111; 110 ', 111' are on the outside of the housing wall, which between the leg ends 110, 111; 110 ', 111' is open, each directed towards each other and a wall opening 112, 112 ' limit to the outside.
  • the leg ends are shorter than the legs 108, 109; 108 ', 109' and many times shorter than the inside 107, 107 ', so that the outside of the housing walls is open to more than three quarters of their height.
  • Two adjacent filter-fan units 103, 103 ' are connected to one another via their walls 106, 106' (FIG. 15).
  • the walls 106, 106 ' lie with their leg ends 110, 111 and 110', 111 'against each other and are held together with threaded bolts 113 passing through the wall openings 112, 112' (FIGS. 2, 4, 5).
  • the threaded bolts 113 preferably lie at a small distance above the lower leg ends 111, 111 'and project through openings (not shown) in the inner sides 107, 107' of the walls 106, 106 'which are in alignment with one another.
  • Spacer sleeves 114 are arranged between the inner sides 107, 107 ', which keep the inner sides at a distance and through which the threaded bolts 113 protrude.
  • a nut 115 is screwed onto each of the bolt ends 113 'projecting from the inside 107 and is supported on the inside 107' with the interposition of a washer 115 '. With their head 113 ′′, the threaded bolts 113 rest against the inside of the housing of the filter-fan unit 103 ′.
  • Sealing elements are inserted between the leg ends 111 'and reliably seal the gap between adjacent filter-fan units 103, 103'. These sealing elements are between the leg ends 111, 111 'when tightening the threaded bolts 113 elastically compressed so that a secure seal is guaranteed.
  • the filter-fan units 103, 103 ' are closed at the top by a plate-shaped cover part 116, 116', which is fastened, preferably screwed, to the legs 108, 108 '.
  • the ceiling parts 116, 116 ' are profiled in a U-shape along their edges.
  • the ceiling parts 116, 116 ' have an upwardly directed edge 119, 119' which forms a continuation of the leg ends 110, 110 '. While the leg ends 110, 110 'extend in the direction of the opposite leg ends 111, 111', the edges 119, 119 'protrude upwards in the opposite direction to the leg ends 110, 110'.
  • the adjacent filter-fan units 103, 103 ' lie flat against one another in the upper region with the leg ends 111, 111' and the edges 119, 119 '.
  • the free ends 118, 118 'of the edges 119, 119' are angled inwards at right angles, so that the ends 118, 118 'of the adjacent filter-fan units 103, 103' run opposite to one another.
  • the abutting edges 119, 119 ' are braced against one another by threaded bolts 120 with nuts 120'.
  • a seal (not shown) is advantageously inserted, which is elastically braced by the threaded bolts 120. The sealing in this area can in turn be carried out in any other suitable way.
  • the filter elements 121, 121 'of the filters 129, 129' are arranged in the frames 122, 122 'which rest against the walls 106, 106' or their inner sides 107, 107 '.
  • a sealing cord 123, 123 ' is provided on the wall 106, 106', which seals the frame 122, 122 'against the housing wall 106, 106'.
  • the frame 122, 122 ' is secured in the housing 105 against sliding down by the sealing cord 123, 123'.
  • Other stops such as screws, which are screwed into the housing walls 106, 106 'and on which the frames rest, can also be used as a securing means for the frame 122, 122'.
  • the filter frame 122, 122 ' has a vertical wall 124, 124' with which it lies flat against the inside 107, 107 'of the wall 106, 106'.
  • the frame 122, 122 ' has legs 125, 125' and 126, 126 'projecting at right angles.
  • the filter element 121 or 121 ' is held between the opposing legs 125 and 126 or 125' and 126 '.
  • the inside of the legs 125, 126, 125 ', 126' is advantageously concavely curved in the form of a partial circle. As a result, the legs 125, 126; 125 '126' have a certain elasticity because they are only half-length in thickness.
  • cover parts 127, 128; 127 ', 128' rest which cover the filter elements 121, 121 'on the top and bottom.
  • the cover parts 127, 128; 127 ', 128' are advantageous expanded metal grids that through the legs 125, 126; 125 ', 126' are held securely.
  • the legs 125, 126; 125 ', 126' have flat bearing surfaces for the cover parts 127, 128; 127 ', 128', which can thereby be reliably secured in position.
  • a fan 130 (FIGS. 16, 19, 20) is fastened approximately centrally in the ceiling parts 116, 116 '.
  • Two transverse webs 131 and 132 running parallel to the narrow sides of the housing 105 are preferably provided for its attachment (FIG. 16). They run parallel to one another between the two sides of the housing at a distance corresponding to the width of the fan 130.
  • the ends of the transverse webs 131, 132 are fastened to the edges of the ceiling parts 116, 116 ', preferably welded to them (FIG. 16).
  • the fan 130 is recessed in the ceiling part 116, 116 'in such a way that its upper side lies flush with the angled free ends 118, 118' of the edges 119, 119 'of the ceiling parts 116, 116'.
  • the filter-fan unit 103, 103 ' is sufficiently stiffened by the transverse webs 131, 132, which are preferably V-shaped in cross section.
  • the transverse webs 131, 132 can also be omitted.
  • the fan 130 is fastened in the center of the ceiling part 116, 116 '. It has a mounting plate 133 with which it rests on the outside of the ceiling part 116, 116 '.
  • the housing 105 Since the walls 106, 106 'of the housing 105 are of simple design and are connected to one another via simple connecting parts, such as screws, rails and brackets or the like, the housing 105 is structurally simple and stable and can therefore be manufactured inexpensively.
  • FIGS. 22 and 23 differs from the previously described embodiment essentially only in that the adjacent housing walls 106a, 106a 'of the filter-fan units 103a, 103a' via a connecting part 135, such as a T-piece , a cross piece or a tab, are connected to each other, which is fixed on the lower legs 109a, 109a 'of the walls.
  • the threaded bolt or bolts are omitted in this embodiment.
  • the connecting part 135 is screwed to the underside of the wall legs 109a, 109a 'with screws 136, 136', which for this purpose have threaded bushings 137, 137 'welded to the inside, but which can also be fastened in a form-fitting manner on the inside.
  • the filters 129, 129 'with their frames 122, 122' extend to approximately the level of the free ends 138, 138 'of the leg ends 111a, 111a'. They are therefore arranged lower than the filters of the embodiment according to FIGS. 15 to 21.
  • the connecting parts 135, which can be fastened to the upper legs 108a, 108a' of the housing walls 106, 106a 'in the same way as the connecting parts to the lower legs 109a, 109a '.
  • the fan 130 is fastened with the mounting plate 133 to the ceiling part 116a, 116a '.
  • the embodiment according to FIG. 24 differs from the embodiment according to FIGS. 15 to 21 essentially only in that no threaded bolts, but screws 140 are provided for connecting the adjacent housing walls 106b, 106b 'at their lower region. They are screwed through openings in the adjoining legs 111b, 111b 'of the walls 106b, 106b'.
  • mounting openings 143, 143 ' are provided on the inside 107b, 107b' of the walls, which are sealed to the outside by plugs (not shown).
  • the filters 129, 129 ' are lower than in the embodiment according to FIGS. 15 to 21, but above the legs 111b, 111b' and the mounting openings 143, 143 '.
  • the filters can be easily and quickly removed from the housing 105 and exchanged.
  • the filter-fan units are advantageously sealed off from one another.
  • the housing walls 105 are formed by simple profile parts that are only angled at the upper and lower edges.
  • the boundary wall parts (not shown) can be attached very easily. They are advantageously screwed to the lower edges of the housing walls, which are preferably made of metal.
  • the connecting parts 135 lead to high rigidity and load-bearing capacity of the structural units consisting of filter-fan units. Are the connecting parts 135 tab-shaped, two adjacent filter-fan units can be easily connected to each other along their respective edges. In the case of a T-shaped configuration, the connecting parts 135 are fastened to the side edges of adjacent filter-fan units. Cross-shaped connecting parts 135 serve to connect four adjoining filter-fan units of one structural unit to one another at the node.
  • the housing of the filter-fan unit does not itself serve to hold the filter elements of the filter, but rather the frame, it can be manufactured simply and stably and at low cost.
  • the housing of the filter-fan unit does not have to be replaced, so that a simple and, above all, inexpensive replacement of the filter is ensured.
  • the embodiment according to FIGS. 25 to 28 can advantageously be used in the pharmaceutical and food sectors.
  • the filter-fan unit 201 has the housing 202, which is rectangular in cross-section and in longitudinal section, the outer sides 203 to 206 of which are smooth. This makes them easy to clean, which is particularly advantageous for preferred use in the pharmaceutical and food sectors with regard to the required hygiene conditions.
  • the housing 202 is closed at the top by a pre-filter 207.
  • the fan 208 is provided below the pre-filter 207 and, in the exemplary embodiment, is arranged centrally with respect to the pre-filter 207.
  • the filter element 209 is provided at a distance below the fan 208 and is held in a frame 210 (FIG. 28). As FIG. 26 shows, the housing 202 is closed at the bottom by the filter element 209.
  • the fan 208 is advantageously arranged in a hanging manner in the housing 202. It has an at least partially circumferential, projecting edge 211 (FIG. 25) with which it rests on a carrier 212, preferably a support plate, which is fastened to the housing side walls. The fan 208 projects through an opening 213 in the carrier 212 (FIGS. 25 and 27).
  • the filter-fan units are in turn connected to self-supporting units. 28, two filter fan units 201, 201 'are connected to one another. They lie against one another with their flat, closed outer sides 204, 206. They are provided on profile walls 214, 214 ', the U-shaped profile sections 215, 216; 215 ', 216'.
  • the respective frame 210, 210 ' is attached to the outer sides of the free legs 217, 217' of the lower profile sections 216, 216 'facing away from one another. It has a plate-shaped base body 218, 218 'which is considerably thicker than the profile walls 214, 214', which are preferably formed by profiled sheets.
  • the frame 210, 210 ' which extends over the circumference of the housing 202, 202', is in each case provided with a holder 219, 220; 219 ', 220', which is formed in one piece with the frame and serves to fasten the filter element 209, 209 '.
  • the upper holder 219, 219 ' has a crossbar 221, 221', the two legs 222, 223; 222 ', 223' connects together.
  • One leg 223, 223 ' is formed by the upper end region of the base body 218, 218'.
  • the lower holder 220, 220 ' also has a crosspiece 224, 224', the two legs 225, 226; 225 ', 226' connects together.
  • One leg 226, 226 ' is formed by the lower end region of the base body 218, 218'.
  • the legs 222, 222 'and 225, 225' lie at the same height on the side of the base body 218, 218 'facing away from the profile walls 214, 214'.
  • plate-shaped cover parts 227, 228 lie on the mutually facing end faces of the legs 222, 222 'and 225, 225'; 227 ', 228', between which the filter 229, 229 'of the filter element 209, 209' is located and which serve as handle protection for the filter 229, 229 '.
  • the cover parts 227, 228; 227 ', 228' formed by expanded metal mesh.
  • the lower profile sections 216, 216 'of the profile walls 214, 214' form channels into which a profile piece 230, 230 'with a U-shaped cross section is inserted.
  • the housing 202, 202 ' has a rectangular outline in the exemplary embodiment.
  • the profile sections 215, 216; 215 ', 216' extend over each side of the housing. Accordingly, the profile pieces 230, 230 'are also provided over the circumference of the housing.
  • the profile pieces 230, 230 ' lie with the free ends of their legs 231, 232; 231 ', 232' on the floor 233, 233 'of the profile sections 216, 216'.
  • the connecting part 236, for example, is fastened, which is of the same design as in the embodiment according to Fig. 22.
  • the connecting part 236 connects adjacent filter-fan units 201, 201 'to the self-supporting units.
  • the joints between the legs 231, 232; 231 ', 232' of the profile pieces 230, 230 'and the legs 217, 217' of the profile sections 216, 216 'and the profile wall 214, 214' are sealed with seals 237, 238; 237 ', 238' sealed, which preferably consist of permanently elastic material. This reliably prevents dirt particles from entering the housing 202, 202 'into the clean air zone.
  • the circumferential joint between the legs 226 and 218 is preferably sealed by permanently elastic material 240, 240 '.
  • the filter element is held with screws 241, 241 'which are distributed over the length and which hold the legs 226, 226'; Push through 231, 231 'of the profile section 216, 216' and the profile piece 230, 230 '. 28, it lies flat against the outside of the leg 226, 226 'of the profile section 216, 216'.
  • the housing 202, 202 ' is thus properly sealed to the outside.
  • the profile walls 214, 214 ' are directed with the open side inwards towards the pressure chamber of the fan 208, so that the smooth sides of the profile walls are on the outside in the manner described.
  • the filter fan units 201, 201 ' can be easily cleaned and kept clean.
  • the filter fan units 201, 201 ' are connected to one another in the same way as in the embodiment according to FIG. 15.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Ventilation (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Claims (22)

  1. Dispositif de nettoyage pour des salles stériles, comportant des unités à filtre et ventilateur agencées sur un dispositif de support, caractérisé en ce qu'au moins deux unités à filtre et ventilateur (4 ; 103, 103a' ; 201, 201') sont reliées l'une à l'autre via des éléments de liaison (8 à 10 ; 64, 65 ; 113, 115 ; 135, 136, 136' ; 140, 141 ; 236), pour former une unité structurelle auto-porteuse (7, 7', 7").
  2. Dispositif de nettoyage selon la revendication 1, dans lequel les unités à filtre et ventilateur possèdent un boîtier, caractérisé en ce que les éléments de liaison (8 à 10) sont des éléments de barrette et/ou d'équerre qui sont fixés, de préférence vissés, dans des éléments profilés (23, 24, 32, 32') du boîtier (13), de préférence avec interposition d'éléments de coincement (12), tels que des coulisseaux, des vis à tête rectangulaire ou similaires, qui sont agencés dans des logements (14) approximativement en forme de C des éléments profilés (23, 24, 32, 32').
  3. Dispositif selon la revendication 2, caractérisé en ce que les éléments de liaison (8, 9) sont réalisés en forme de T et/ou en forme de croix.
  4. Dispositif selon l'une ou l'autre des revendications 2 et 3, caractérisé en ce que les éléments profilés (23, 24, 32, 32') sont prévus sur une paroi (15), de préférence sur une paroi latérale du boîtier (13) réalisée sous forme d'un élément à profilé creux, et en ce qu'ils s'étendent de préférence sensiblement sur toute la longueur de la paroi (15).
  5. Dispositif selon l'une quelconque des revendications 2 à 4, caractérisé en ce que les éléments profilés (23, 24) sont prévus au niveau de la bordure longitudinale supérieure et/ou inférieure de la paroi (15).
  6. Dispositif selon l'une quelconque des revendications 2 à 4, caractérisé en ce que les éléments profilés (32, 32') se trouvent sur la face extérieure (72) de la paroi (15).
  7. Dispositif selon l'une quelconque des revendications 2 à 6, caractérisé en ce qu'il est prévu au moins sur une, de préférence sur les deux bordures longitudinales de la paroi (15) respectivement au moins deux éléments profilés (23, 32', 24, 32) directement voisins l'un de l'autre qui s'étendent de préférence perpendiculairement l'un à l'autre.
  8. Dispositif selon l'une quelconque des revendications 2 à 7, caractérisé en ce qu'il est prévu entre des unités à filtre et ventilateur (4) voisines l'une de l'autre de l'unité structurelle (7, 7', 7") au moins un profilé d'étanchement (51, 52) qui se trouve de préférence dans l'élément profilé (32, 32').
  9. Dispositif selon l'une quelconque des revendications 2 à 8, caractérisé en ce que la paroi inférieure (54) du boîtier (15) est formée par une grille, de préférence une grille de métal déployé, qui pénètre de préférence par sa bordure jusque dans un canal longitudinal (62) au-dessus de l'élément profilé (23) formant la bordure longitudinale inférieure de la paroi latérale (15).
  10. Dispositif selon l'une quelconque des revendications 2 à 9, caractérisé en ce que l'unité structurelle (7, 7', 7") est montée sur des supports (6) qui sont fixés sur les éléments profilés (32, 32'), et en ce que les supports (6) sont fixés de façon détachable de préférence par des éléments de liaison correspondants (11), tels que des vis ou similaires, avec interposition des éléments de coincement (12) sur les parois (15), de préférence dans leurs éléments profilés (32, 32').
  11. Dispositif selon la revendication 10, caractérisé en ce que les supports (6) sont reliés les uns aux autres via des longerons (64) et/ou des traverses (65), dont les traverses (65) sont fixées de préférence sur les longerons (64), et en ce que les supports (6) et les longerons (64) sont de préférence reliés les uns aux autres de façon détachable.
  12. Dispositif selon l'une quelconque des revendications 2 à 11, caractérisé en ce que l'unité structurelle (7, 7', 7") formée par les unités à filtre et ventilateur (4, 103, 103a, 103a' ; 201, 201') est suspendue sur des éléments de suspension (59), tels que des câbles métalliques, qui sont retenus via des éléments d'accouplement (63) sur les parois (15), de préférence sur leurs éléments profilés (24).
  13. Dispositif selon l'une quelconque des revendications 1 à 12, caractérisé en ce qu'au moins une partie des unités à filtre et ventilateur (4, 103, 103a, 103a' ; 201, 201') de l'unité structurelle (7) sont connectées électriquement les unes aux autres via des éléments de connexion électriques (19), tels que des câbles ou similaires, qui sont susceptibles d'être raccordés de préférence à des douilles de raccordement (18, 18') des unités à filtre et ventilateur (4), et en ce qu'il est prévu, pour la fixation de l'unité structurelle (7), de préférence des éléments de retenue (74), tels que des supports angulaires ou similaires.
  14. Dispositif selon l'une quelconque des revendications 1 à 13, caractérisé en ce qu'il est prévu une séparation (5) vis-à-vis de l'environnement au niveau de la périphérie de l'unité structurelle (7, 7', 7").
  15. Dispositif selon l'une quelconque des revendications 2 à 14, caractérisé en ce que le filtre (129, 129' ; 229, 229') de l'unité à filtre et ventilateur (103, 103', 103a, 103a' ; 201, 201') est relié via un cadre (122, 122' ; 210, 210') au boîtier (105, 202, 202'), ledit cadre s'étendant de préférence sur toute la hauteur du filtre (129, 129' ; 229, 229') et étant retenu de préférence sur le boîtier (105, 202, 202').
  16. Dispositif selon l'une quelconque des revendications 2 à 15, caractérisé en ce que des parois adjacentes les unes aux autres (15, 15', 15" ; 106, 106' ; 106a, 106a' ; 106b, 106b' ; 214, 214') du boîtier (105 ; 202, 202') des unités à filtre et ventilateur voisines (13 ; 103, 103' ; 201, 201') sont reliées, de préférence vissées, les unes aux autres de façon détachable.
  17. Dispositif selon l'une quelconque des revendications 2 à 16, caractérisé en ce qu'il est prévu de préférence dans la région au-dessous des filtres (129, 129') des boulons filetés (113) qui traversent les parois de boîtier (106, 106').
  18. Dispositif selon l'une quelconque des revendications 2 à 17, caractérisé en ce que les parois (106, 106' ; 106a, 106a' ; 106b, 106b') des unités à filtre et ventilateur (103, 103') s'appuient les unes contre les autres par des extrémités de bras coudées supérieures et inférieures (110, 110' ; 111, 111' ; 111a, 111a' ; 111b, 111b'), dont les extrémités de bras inférieures (111b, 111b') sont de préférence reliées l'une à l'autre par l'intermédiaire de vis (140).
  19. Dispositif selon l'une quelconque des revendications 2 à 18, caractérisé en ce que les parois de boîtier voisines (106, 106' ; 106a, 106a' ; 106b, 106b' ; 214, 214') des unités à filtre et ventilateur (103, 103' ; 103a, 103a' ; 201, 201') sont reliées les unes aux autres sur leur face supérieure via des bordures coudées (119, 119') d'éléments de couvercle (116, 116'; 116a, 116a'), et en ce que les bordures (119, 119') des éléments de couvercle (116, 116' ; 116a, 116a') présentent de préférence une section en forme de U, qu'elles s'appuient en particulier l'une contre l'autre et qu'elles sont reliées l'une à l'autre de préférence via des vis (120).
  20. Dispositif selon l'une quelconque des revendications 2 à 19, caractérisé en ce que les parois de boîtier (214, 214') d'unités à filtre et ventilateur voisines (201, 201') s'appuient l'une contre l'autre par des faces extérieures lisses (203 à 206).
  21. Dispositif selon la revendication 20, caractérisé en ce que les parois de boîtier (214, 214') présentent à l'extrémité inférieure des tronçons profilés (216, 216') dans lesquels sont mises en place des pièces profilées (230, 230').
  22. Dispositif selon la revendication 20, caractérisé en ce que les parois de boîtier (214, 214') présentent à l'extrémité inférieure des tronçons profilés (216, 216') qui sont remplis avec un matériau d'étanchement à élasticité permanente.
EP93108981A 1992-06-11 1993-06-04 Dispositif de nettoyage pour salles stériles Expired - Lifetime EP0573906B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE4219125 1992-06-11
DE4219125A DE4219125C2 (de) 1992-06-11 1992-06-11 Vorrichtung zur Erzeugung von Reinraumbereichen
DE4231264A DE4231264A1 (de) 1992-06-11 1992-09-18 Reinigungsvorrichtung für Reinraumbereiche
DE4231264 1992-09-18

Publications (3)

Publication Number Publication Date
EP0573906A2 EP0573906A2 (fr) 1993-12-15
EP0573906A3 EP0573906A3 (fr) 1994-01-26
EP0573906B1 true EP0573906B1 (fr) 1996-12-27

Family

ID=25915585

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93108981A Expired - Lifetime EP0573906B1 (fr) 1992-06-11 1993-06-04 Dispositif de nettoyage pour salles stériles

Country Status (8)

Country Link
US (1) US5364425A (fr)
EP (1) EP0573906B1 (fr)
AT (1) ATE146873T1 (fr)
DE (3) DE4219125C2 (fr)
DK (1) DK0573906T3 (fr)
ES (1) ES2096143T3 (fr)
GR (1) GR3022494T3 (fr)
TW (1) TW341317U (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5833727A (en) * 1996-08-02 1998-11-10 Skarsten; Darrell L. Air filtering module structures
DE29708225U1 (de) * 1996-09-17 1997-06-26 Laflow Reinraumtechnik GmbH & Co., 89143 Blaubeuren Reinraumzelt
SE513093C2 (sv) * 1997-06-27 2000-07-03 Flaekt Ab Fläktmodul för renrumstillämpningar
US5843197A (en) * 1997-08-04 1998-12-01 Rossnagel; Bryan Particulate removal apparatus for use in soldering operations
KR100234908B1 (ko) * 1997-08-26 1999-12-15 윤종용 청정실용 필터
US6497739B2 (en) * 2001-01-03 2002-12-24 Mcgill Joseph A. Modular clean room filter system
DE10350678A1 (de) * 2003-10-30 2005-06-16 Gebhardt Ventilatoren Gmbh & Co. Zuluftgerät, insbesondere zur Befestigung an Decken von Reinräumen
US7462213B2 (en) * 2005-10-26 2008-12-09 Spengler Charles W Method of minimizing cross contamination between clean air rooms in a common enclosure
DE102011007623A1 (de) 2011-04-18 2012-10-18 Gabriela Rupprecht High-Heel-Schuh

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NL163422C (nl) * 1970-05-06 1980-09-15 Pielkenrood Vinitex Bv Samenstel voor het van een ruimte afscheiden van een stofvrij gedeelte.
DE2104234C3 (de) * 1971-01-29 1973-10-31 Ceag Dominit Ag, 4600 Dortmund Anlage zur Erzeugung reiner Luft
US4088463A (en) * 1976-05-05 1978-05-09 Frederick L. Fichter Filtration module
DD128416A1 (de) * 1976-11-10 1977-11-16 Johann Batzdorf Luftleitvorrichtung als reihbarer kompaktbaustein in der reinraumtechnik
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US4518405A (en) * 1983-12-19 1985-05-21 Weber Technical Products, Division Of Craig Systems Corporation Clean room with replaceable filter and a seal cutting mechanism
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US4883513A (en) * 1988-02-05 1989-11-28 Donaldson Company, Inc. Filter cap for clean room ceiling grid system
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US5074894A (en) * 1991-02-01 1991-12-24 Component Systems, Inc. Apparatus for isolating contagious respiratory hospital patients

Also Published As

Publication number Publication date
ATE146873T1 (de) 1997-01-15
DE4219125C2 (de) 1996-01-11
TW341317U (en) 1998-09-21
DE4231264A1 (de) 1994-03-24
GR3022494T3 (en) 1997-05-31
DE59304862D1 (de) 1997-02-06
US5364425A (en) 1994-11-15
EP0573906A2 (fr) 1993-12-15
DE4219125A1 (de) 1993-12-16
EP0573906A3 (fr) 1994-01-26
DK0573906T3 (da) 1997-06-16
ES2096143T3 (es) 1997-03-01

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