EP1147345B1 - Vorrichtung zur verteilung von steriler luft - Google Patents

Vorrichtung zur verteilung von steriler luft Download PDF

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Publication number
EP1147345B1
EP1147345B1 EP00900659A EP00900659A EP1147345B1 EP 1147345 B1 EP1147345 B1 EP 1147345B1 EP 00900659 A EP00900659 A EP 00900659A EP 00900659 A EP00900659 A EP 00900659A EP 1147345 B1 EP1147345 B1 EP 1147345B1
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EP
European Patent Office
Prior art keywords
worktop
wall
sterile air
sheath
porous
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
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EP00900659A
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English (en)
French (fr)
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EP1147345A1 (de
Inventor
Didier Beudon
Pierre Bridenne
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UNIR Ultra Propre Nutrition Industrie Recherche
Unir
Original Assignee
UNIR Ultra Propre Nutrition Industrie Recherche
Unir
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Priority to DK00900659T priority Critical patent/DK1147345T3/da
Publication of EP1147345A1 publication Critical patent/EP1147345A1/de
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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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F13/068—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser formed as perforated walls, ceilings or floors
    • 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
    • F24F3/163—Clean air work stations, i.e. selected areas within a space which filtered air is passed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F9/00—Use of air currents for screening, e.g. air curtains
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02—Ducting arrangements
    • F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • F24F2013/0608—Perforated ducts
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S55/00—Gas separation
    • Y10S55/29—Air curtains

Definitions

  • the present invention relates generally to the protection close to a workstation located in a contaminated atmosphere, and more particularly a device for the close protection of products sensitive to contamination by contaminating agents carried by the atmosphere, products being positioned on a work surface such as a conveyor.
  • the invention finds a particularly advantageous application in the field of the agri-food or pharmaceutical industry where the products are generally sensitive to the contamination conveyed by the atmosphere during their preparation, and when transported on a conveyor before their conditioning.
  • Such a device according to the invention makes it possible to protect in particular a plan of individual work of developing and / or transporting such sensitive products, such as a conveyor on which are positioned said products, by diffusion of an air vein sterile in a direction substantially perpendicular or parallel to said conveyor, said device extending along said conveyor.
  • the close protection device may be that aforesaid has at least one end contiguous to a wall so that it an air gap exists between said wall and said end.
  • This wall is for example a machine outlet wall such as an oven, rising vertically and having an opening opening on said plane of work protected by the protective device.
  • This wall can also be an end wall of another device of similar close protection, put at the end of the protective device without mechanical fastening, for constituting therewith a protective assembly close to a long work plan.
  • the present invention proposes an installation according to claim 1.
  • the invention also proposes a protection assembly according to claim 16.
  • FIGS. 1 and 2 show a first embodiment of a close protection device for products arranged on a worktop 12 such a conveyor, sensitive to the contamination conveyed by the atmosphere.
  • the plan of Work 12 rests on the ground by means of a foot 13.
  • This device 100 comprises a plurality of sheaths of flexible material 101, 102, 103, here three in number, juxtaposed above the worktop 12, in a direction transverse to the longitudinal edges of the work plane 12, such that the X-axes of the sheaths 101, 102, 103 are parallel and extend in the same plane parallel to the work plane 12.
  • the three ducts 101, 102, 103 juxtaposed cover the width and the length of the worktop 12, and diffuse a sterile air vein in one direction vertically substantially perpendicular to said work plane 12.
  • the ducts are supplied with sterile air through ducts. unrepresented air supply, which open sealed in the sheaths from above said sheaths.
  • each sheath 101, 102, 103 is formed of a wall semi-cylindrical semi-cylindrical upper and semi-cylindrical porous lower wall made of perforated flexible material extending longitudinally along the axis of the sheath and delimiting between them a cylindrical conduit of axis X sterile air supply.
  • the outer longitudinal edge of the near-sealed top wall of the sheath 101, 103 located at each end of the juxtaposition of sheaths is extended by a skirt 104, 105 which extends vertically towards the plane of work and which is a means of sterile air diffusion at fast speed (represented by the arrows v in FIG. 2) with respect to the lower walls porous said sheaths that diffuse sterile air at a slow rate (materialized by the arrows v in Figure 2).
  • the average speed of the sterile air leaving the porous walls of the ducts is of the order of 0.4 m / s.
  • the two skirts 104, 105 are of the same length and extend to the immediate vicinity of the work plan.
  • both skirts 104, 105 have different lengths, a long skirt 104 whose length is approximately equal to the planned height between the X axis of the sheath 101 and the worktop 12 and a short skirt 105 whose length is approximately equal to half the length of the long skirt 104.
  • each sheath 101, 102, 103 has an end 102a contiguous to an exit wall of a machine, for example a furnace, comprising an opening 11 opening on the work plane 12.
  • This wall 10 rises vertically from ground to top of said sheaths.
  • Said ends of the sheaths 101, 102, 103 being made with discs of flat cloth, they take a convex shape under the pressure of the air sterile circulating in said sheaths.
  • each end 102a of each sheath 102 is formed by a porous wall of material flexible perforated.
  • Said end wall 102a and the porous lower longitudinal wall of the sheath are made of a material of the same porosity.
  • the perforated flexible material constituting the lower longitudinal wall porous and said end walls 102a of sleeves 101, 102 and 103 is a fabric synthetic material such as polyester or polypropylene fabric.
  • each of the three flexible sheaths juxtaposed in positioning at the end of each sheath 102 another similar sheath 102 aligned with it (see Figure 1).
  • the two aligned ducts 102 have no attachment mechanics between them.
  • each of the three sheaths juxtaposed located opposite the end 102a contiguous to the machine outlet wall 10, is contiguous to an end parol 102a of the other similar sheath 102.
  • An air gap 1 is then also created between the two walls end 102b, 102a contiguous two sheaths put end to end.
  • one of the two ends 102a, 102b contiguous of the two sheaths 102 aligned is formed of a porous wall made of flexible material perforated by example of the type of the one constituting the porous lower longitudinal wall of each sheath. Indeed, by this porous end wall is created an air leak sterile outward opposite the worktop, counteracting a possible induction of contaminated air into said air gap 1.
  • the two end walls 102a, 102b contiguous of the two aligned sheaths 102 are formed by porous walls in material, flexible perforated. In this air gap 1, two air leaks are thus created. sterile outward opposite the worktop 1 counteracting a possible induction of contaminated air in the latter.
  • FIG. 4 shows a second embodiment of a device 200 for the close protection of products arranged on a plane of work such as a conveyor 12, sensitive to contamination by the atmosphere.
  • This device 200 comprises on each longitudinal edge of said work plane 12, two blowing nozzles 201 placed end to end capable of producing towards the sensitive products, a sterile air stream in a generally horizontal direction v substantially parallel to said work plane 12 (see Figure 4).
  • each nozzle of blowing 201 comprising at the outlet an air diffuser 202 in perforated material comprising upper portions 202a and lower 202b that produce a flow anti-inductive air whose diffusion rate has a normal component at work plan 12.
  • a blowing nozzle 201 On each longitudinal edge of the work surface 12, a blowing nozzle 201 has an end 201a contiguous to an output wall 10 of a machine, for example an oven, which here has an opening 11 opening on the plane of Work 12, here a conveyor.
  • each end 201a of each blast nozzle 201 is formed by a porous wall made of perforated material.
  • This porous wall has a length of about 10cm (see Figure 3).
  • each blast nozzle 201 and the upper 202a and lower 202b of the air diffuser 202 are formed perforated sheet of the same porosity.
  • This porous end arrangement makes it possible to create a sterile air leak outward from the worktop, counteracting possible air induction contaminated in said air gap 1.
  • one of the blowing nozzles 201 has a porous end 201 b and at this porous end on its upper surface extending horizontally until its exit, a band 201c made of perforated material (see figure 3).
  • the porous end 201b and said perforated strip 201c form an air flow sterile directed substantially vertically opposite the worktop 12.
  • This perforated strip 201c here has a width of 2 cm and a length of 10 cm.
  • FIG. 5 shows a close protection assembly of products P arranged on a work surface 12 such as a conveyor, sensitive to the contamination carried by the environment, which includes a device 100 of protection constituted by juxtaposed sheaths 101, 102, 103 of flexible material, identical to the device shown in Figure 2 and at the end of this device, a nozzle blowing 201 disposed on each longitudinal edge of said work plane 12, suitable producing in the direction of said products P a stream of sterile air in one direction general horizontal substantially parallel to said work plane, each nozzle of blowing comprising at the outlet an air diffuser of perforated material comprising upper and lower parts that produce an anti-inductive airflow whose diffusion rate has a normal component to the work plane.
  • a device 100 of protection constituted by juxtaposed sheaths 101, 102, 103 of flexible material, identical to the device shown in Figure 2 and at the end of this device, a nozzle blowing 201 disposed on each longitudinal edge of said work plane 12, suitable producing in the direction of said products P a stream of
  • skirt sheaths 104, 105 having lengths identical.
  • the skirts extend here from the axis of the sheaths to the edges longitudinal dimensions of the conveyor 12.
  • each end of each skirt 104,105 placed at the junction with the blowing nozzles 201 is formed by a porous parol in perforated flexible material of the same type as that constituting the walls Longitudinal lower porous said sheaths.
  • the ends of the blowing nozzles 201 are made of sheet metal full fully waterproof.
  • This arrangement makes it possible to avoid a possible induction of contaminated air in the gap 1 created between the skirts and the blowing nozzles.
  • This interval is of the order of 20 mm taken between the vertical side skirts and the nozzles.
  • FIG. 6 shows a variant of the protection assembly close to Figure 5, according to which it is provided on both sides of the sheaths flexible juxtaposed 101, 102, 103 vertical skirts of different lengths, a long skirt 104 whose length is approximately equal to the height provided between the axis of the sheaths and the work plan and a short skirt 105 whose length is approximately equal to half the length of the long skirt.
  • skirt vertical end 106 extending in front of the ends of the sheaths, from the axes of said sleeves, in a plane perpendicular to the planes of the vertical side skirts 104, 105, in the direction said work plane 12 to a determined distance from the latter to allow passing said products under said end skirt 106.
  • This new arrangement avoids a possible induction of air contaminated in the gap 1 created between the ducts and the blower nozzles, especially on the side of the short side skirt 105.
  • a box 300 is shown positioned above the worktop 12, supplied with sterile air via a conduit 303 which opens into the caisson by its sealed upper wall.
  • This box 300 has a wall lower porous 301 sterile air diffusion in a vertical direction substantially perpendicular to the work plane 12, said porous wall 301 being made of perforated sheet metal and having a profile such that it ensures a diffusion sterile slow-moving air center lined on each side by air diffusion sterile at fast speed.
  • One end of the box 300 is contiguous to a wall of machine output 10.
  • this outlet wall 10 has an opening 11 leading to the worktop 12.
  • This end is formed by a wall comprising at least one porous zone 302 of perforated material extending over the entire width of said box 300 and rising from the lower edge of said box over a certain height determined here of the order of 25 mm.
  • box 300 is extended axially by another box identical 300 which is put at the end of the first box without mechanical fixation with this last.
  • the end of the second box 300 contiguous to the sealed end of first housing 300 comprises a porous zone 302 made of perforated material extending over the width of said box 300 and rising from the lower edge said box over a certain height determined here of the order of 25 mm.
  • the porosity of the porous zone 302 of the ends and the lower walls Sterile air diffusion 301 caissons 300, are in this case typically identical.
  • the air quality at the level of the work plan and the level of the various embodiments described previously of the device of protection according to the invention, at the junction of the ends of the latter with different type of walls, is class 10 particles of 0.3 microns, which is a pledge sterile environment, in particular according to the US Fed Std 209 E standard of 1992.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Cleaning In General (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Compressor (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Claims (19)

  1. Einrichtung, umfassend:
    eine Arbeitsfläche (12), wie ein Transportband,
    eine erste Wand (10); und
    eine Vorrichtung (100) für den Näherungsschutz von Erzeugnissen, die auf der Arbeitsfläche angeordnet und gegenüber einer Verunreinigung durch die Umgebung empfindlich sind, durch Diffusion eines sterilen Luftstroms gemäß einer zu der Arbeitsfläche im wesentlichen senkrechten oder parallelen Richtung, wobei die Vorrichtung sich entlang der Arbeitsfläche erstreckt und wenigstens ein Ende aufweist, welches an der ersten Wand (10) angeordnet ist, derart, dass ein Luftzwischenraum (1) zwischen dem Ende und der ersten Wand vorhanden ist,
       dadurch gekennzeichnet, dass das Ende durch eine zweite, poröse Wand aus perforiertem Material gebildet ist, welche sich im wesentlichen senkrecht zu der Längsachse (X) der Vorrichtung erstreckt, wodurch in dem Zwischenraum (1) eine Ausströmung von steriler Luft, welche nach außen entgegengesetzt zur Arbeitsfläche (12) gerichtet ist, erzeugt wird, wobei diese Ausströmung von steriler Luft einem eventuellen Ansaugen von Umgebungsluft in den Zwischenraum zur Arbeitsfläche entgegenwirkt.
  2. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die erste Wand (10) eine Maschinenaustrittswand ist, welche mit einer Öffnung versehen ist, die auf die Arbeitsfläche mündet.
  3. Einrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die erste Wand eine Endwand einer anderen ähnlichen Vorrichtung ist, mit welcher sie eine Gesamtheit von Vorrichtungen für den Näherungsschutz von Erzeugnissen bildet, die auf einer Arbeitsfläche von großer Länge angeordnet und gegenüber einer von der Umgebung transportierten Verunreinigung empfindlich sind, wobei die Vorrichtungen Ende an Ende ohne mechanische Befestigung zwischen ihnen aneinander gesetzt sind.
  4. Einrichtung nach Anspruch 3, dadurch gekennzeichnet, dass die erste Wand eine poröse Wand aus perforiertem Material ist, durch welche eine Ausströmung von steriler Luft erzeugt wird, die nach außen entgegengesetzt zur Arbeitsfläche gerichtet ist.
  5. Einrichtung nach irgendeinem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass sie wenigstens eine Hülle (101, 102, 103) aus biegsamem Material umfasst, die einen sterilen Luftstrom gemäß einer vertikalen, zu der Arbeitsfläche (12) im wesentlichen senkrechten Richtung diffundieren lässt, umfasst, wobei die Hülle aus einer quasi-dichten oberen Wand und einer porösen, aus einem biegsamen perforierten Material hergestellten unteren Wand gebildet wird, welche sich longitudinal gemäß der Achse (X) der Hülle erstrecken und zwischen sich eine Zuführleitung für sterile Luft begrenzen, und wobei die Hülle ein Ende aufweist, das durch eine poröse, aus einem biegsamen perforierten Material hergestellte Wand gebildet wird.
  6. Einrichtung nach Anspruch 5, dadurch gekennzeichnet, dass die Endwand und die longitudinale poröse untere Wand der Hülle aus einem Material mit gleicher Porosität hergestellt sind.
  7. Einrichtung nach einem der Ansprüche 5 oder 6, dadurch gekennzeichnet, dass das biegsame perforierte Material, welches die longitudinale untere poröse Wand und die Endwand der Hülle bildet, ein synthetisches Gewebe, wie ein Polyester- oder Polypropylengewebe ist.
  8. Einrichtung nach irgendeinem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass jede longitudinale Kante der longitudinalen oberen quasi-dichten Wand der Hülle durch eine Schürze (104, 105) verlängert ist, die sich vertikal in Richtung der Arbeitsfläche (12) erstreckt und die ein Mittel zur Diffusion von steriler Luft mit schneller Geschwindigkeit bezogen auf die longitudinale untere poröse Wand der Hülle, die sterile Luft mit langsamer Geschwindigkeit diffundieren lässt, bildet.
  9. Einrichtung nach irgendeinem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass sie eine Vielzahl von Hüllen (101, 102, 103) aus biegsamem Material umfasst, die nebeneinander angeordnet sind, derart, dass ihre Achsen (X) parallel sind und in ein und derselben Ebene parallel zu der Arbeitsfläche angeordnet sind, wobei die Hüllen (101, 102, 103) die gesamte Breite der Arbeitsfläche (12) überdecken.
  10. Einrichtung nach Anspruch 9, dadurch gekennzeichnet, dass die äußere longitudinale Kante der oberen quasi-dichten Wand der Hülle (101, 103), welche sich an jedem Ende der Nebeneinanderanordnung von Hüllen befindet, durch eine Schürze (104, 105) verlängert ist, welche sich vertikal in Richtung der Arbeitsfläche (12) erstreckt und die ein Mittel zur Diffusion von steriler Luft mit schneller Geschwindigkeit bezogen auf die unteren porösen Wände der Hüllen, die sterile Luft mit langsamer Geschwindigkeit diffundieren lassen, bildet.
  11. Einrichtung nach einem der Ansprüche 8 oder 10, dadurch gekennzeichnet, dass die beiden Schürzen (104, 105) die gleiche Länge aufweisen und sich bis in unmittelbare Nähe der Arbeitsfläche erstrecken.
  12. Einrichtung nach einem der Ansprüche 8 oder 10, dadurch gekennzeichnet, dass die beiden Schürzen (104, 105) unterschiedliche Längen aufweisen und eine lange Schürze (104), deren Länge ungefähr gleich der zwischen der Achse der Hülle und der Arbeitsfläche vorgesehenen Höhe ist, und eine kurze Schürze (105), deren Länge ungefähr gleich der Hälfte der Länge der langen Schürze ist, bilden.
  13. Einrichtung (200) nach irgendeinem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass sie wenigstens eine Blasdüse (201) umfasst, die auf einer longitudinalen Kante der Arbeitsfläche (12) angeordnet ist und geeignet ist, in Richtung der Erzeugnisse einen sterilen Luftstrom gemäß einer allgemeinen horizontalen, zu der Arbeitsfläche im wesentlichen parallelen Richtung zu erzeugen, wobei die Blasdüse (201) am Auslass einen Luftdiffusor (202) aus perforiertem Material umfasst, der versehen ist mit oberen und unteren Abschnitten, die einen Anti-Ansaugungs-Luftstrom erzeugen, dessen Diffusionsgeschwindigkeit eine zu der Arbeitsfläche senkrechte Komponente aufweist, wobei das Ende (201a, 201b) der Blasdüse aus einer aus einem perforierten Material hergestellten Wand gebildet wird.
  14. Einrichtung nach Anspruch 13, dadurch gekennzeichnet, dass die Endwand (201a, 201b) der Blasdüse und die oberen (202a) und unteren (202b) Abschnitte des Luftdiffusors (202) aus einem perforierten Blech mit der gleichen Porosität hergestellt sind.
  15. Einrichtung nach einem der Ansprüche 13 oder 14, dadurch gekennzeichnet, dass die Blasdüse auf der Höhe des porösen Endes (201b) auf ihrer oberen Oberfläche, die sich horizontal bis zu ihrem Auslass erstreckt, einen Streifen (201c) aus perforiertem Material umfasst, welcher einen sterilen Luftstrom, der im wesentlichen vertikal gegenüber der Arbeitsfläche gerichtet ist, ausbildet.
  16. Einheit zum Näherungsschutz von auf einer Arbeitsfläche, wie einem Transportband, angeordneten Erzeugnissen, welche gegenüber einer durch die Umgebung transportierten Verunreinigung empfindlich sind, dadurch gekennzeichnet, dass sie eine Einrichtung (100) nach Anspruch 11 und, an einem Ende der Vorrichtung wenigstens eine Blasdüse (201) umfasst, die auf einer longitudinalen Kante der Arbeitsfläche angeordnet ist und geeignet ist, in Richtung der Erzeugnisse einen sterilen Luftstrom gemäß einer allgemeinen horizontalen, zu der Arbeitsfläche im wesentlichen parallelen Richtung zu erzeugen, wobei die Blasdüse am Auslass einen Luftdiffusor aus perforiertem Material umfasst, der obere und untere Abschnitte umfasst, die einen Anti-Ansaugungs-Luftstrom erzeugen, dessen Diffusionsgeschwindigkeit eine zu der Arbeitsfläche senkrechte Komponente aufweist, wobei die Vorrichtung außerdem eine vertikale Endschürze umfasst, welche eine Verbindung mit der Blasdüse herstellt, wobei die Endschürze sich in einer, zu den Ebenen der seitlichen Schürzen der Hülle senkrechten Ebene erstreckt, in Richtung der Arbeitsfläche bis zu einem bestimmten Abstand zu dieser letzteren, um das Durchtreten der Erzeugnisse unter der Endschürze zu erlauben.
  17. Einheit zum Näherungsschutz von auf einer Arbeitsfläche, wie einem Transportband, angeordneten Erzeugnissen, welche gegenüber einer durch die Umgebung transportierten Verunreinigung empfindlich sind, dadurch gekennzeichnet, dass sie eine Einrichtung (100) nach Anspruch 12 und an einem Ende der Vorrichtung, wenigstens eine Blasdüse (201) umfasst, die auf einer longitudinalen Kante der Arbeitsfläche angeordnet ist und geeignet ist, in Richtung der Erzeugnisse einen sterilen Luftstrom gemäß einer allgemeinen horizontalen, zu der Arbeitsfläche im wesentlichen parallelen Richtung zu erzeugen, wobei die Blasdüse am Auslass einen Luftdiffusor aus perforiertem Material umfasst, der obere und untere Abschnitte umfasst, die einen Anti-Ansaugungs-Luftstrom erzeugen, dessen Diffusionsgeschwindigkeit eine zu der Arbeitsfläche senkrechte Komponente aufweist, wobei die Vorrichtung außerdem eine vertikale Endschürze umfasst, welche eine Verbindung mit der Blasdüse herstellt, wobei die Endschürze sich in einer zu den Ebenen der seitlichen Schürzen der Hülle senkrechten Ebene erstreckt, in Richtung der Arbeitsfläche bis zu einem bestimmten Abstand zu dieser letzteren, um das Durchtreten der Erzeugnisse unter der Endschürze zu erlauben.
  18. Einrichtung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass sie ein Gehäuse (300) umfasst, welches oberhalb der Arbeitsfläche (12) angeordnet ist, mit steriler Luft beschickt wird, und eine poröse innere Wand (301) für die Diffusion von steriler Luft gemäß einer vertikalen, zu der Arbeitsfläche (12) im wesentlichen senkrechten Richtung aufweist, wobei die poröse Wand aus einem perforierten Blech hergestellt ist und ein derartiges Profil aufweist, dass sie eine zentrale Diffusion von steriler Luft mit langsamer Geschwindigkeit sicherstellt, welche an jeder Seite durch eine Diffusion von steriler Luft mit schneller Geschwindigkeit begrenzt wird, wobei das Ende des Gehäuses aus einer Wand gebildet ist, die wenigstens eine poröse Zone (302) aus perforiertem Material umfasst, welche sich über die gesamte Breite des Gehäuses erstreckt und sich ausgehend von der unteren Kante des Gehäuses bis auf eine gewisse bestimmte Höhe erstreckt.
  19. Einrichtung nach Anspruch 18, dadurch gekennzeichnet, dass die Höhe in der Größenordnung von 25 mm liegt.
EP00900659A 1999-01-26 2000-01-25 Vorrichtung zur verteilung von steriler luft Expired - Lifetime EP1147345B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK00900659T DK1147345T3 (da) 1999-01-26 2000-01-25 Indretning til diffusion af steril luft

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9900817 1999-01-26
FR9900817A FR2788843B1 (fr) 1999-01-26 1999-01-26 Dispositif de protection rapprochee de produits sensibles par diffusion d'air sterile, avec des extremites d'interface protegees
PCT/FR2000/000161 WO2000045097A1 (fr) 1999-01-26 2000-01-25 Dispositif de diffusion d'air sterile

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Publication Number Publication Date
EP1147345A1 EP1147345A1 (de) 2001-10-24
EP1147345B1 true EP1147345B1 (de) 2005-03-30

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EP00900659A Expired - Lifetime EP1147345B1 (de) 1999-01-26 2000-01-25 Vorrichtung zur verteilung von steriler luft

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US (1) US6733557B1 (de)
EP (1) EP1147345B1 (de)
JP (1) JP2002535602A (de)
CN (1) CN1158489C (de)
AT (1) ATE292265T1 (de)
AU (1) AU768165B2 (de)
CA (1) CA2361125A1 (de)
DE (1) DE60019088T2 (de)
ES (1) ES2235827T3 (de)
FR (1) FR2788843B1 (de)
MX (1) MXPA01007529A (de)
PT (1) PT1147345E (de)
WO (1) WO2000045097A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2824626B1 (fr) 2001-05-14 2004-04-16 Pierre Bridenne Procede et dispositif pour diffuser un flux de protection a l'egard d'une ambiance environnante
WO2011099643A1 (ja) * 2010-02-15 2011-08-18 興研株式会社 局所クリーンゾーン形成装置
FR2973100B1 (fr) * 2011-03-22 2018-02-09 Institut National De Recherche En Sciences Et Technologies Pour L'environnement Et L'agriculture (Irstea) Installation de diffusion de flux d'air
US20120297741A1 (en) * 2011-05-25 2012-11-29 John Reid Open top work cell having a fluid barrier
CN103807984B (zh) * 2014-01-23 2016-04-27 西安交通大学 一种空气伞隔离式葬坑局部环境调控系统及调控方法
CN111998463B (zh) * 2020-09-02 2021-07-27 浙江美臣环境科技有限公司 一种基于物联网的技术的新风净化一体机

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US3549180A (en) * 1968-05-16 1970-12-22 Scovill Manufacturing Co Hose and hose coupling assembly
DE2718611B2 (de) * 1977-04-27 1980-07-10 GIF Gesellschaft für Ingenieurprojekte Freiburg mbH, 7800 Freiburg Abscheider für eine Einrichtung zum Be- und Entlüften von Räumen
DE3683492D1 (de) * 1985-11-26 1992-02-27 Shimizu Construction Co Ltd Reinraum.
FR2620049B2 (fr) * 1986-11-28 1989-11-24 Commissariat Energie Atomique Procede de traitement, stockage et/ou transfert d'un objet dans une atmosphere de haute proprete, et conteneur pour la mise en oeuvre de ce procede
US4823680A (en) * 1987-12-07 1989-04-25 Union Carbide Corporation Wide laminar fluid doors
AU597470B2 (en) * 1988-02-02 1990-05-31 Hirayama Setsubi Kabushiki Kaisha Clean room system
JPH03291436A (ja) * 1990-04-05 1991-12-20 N M B Semiconductor:Kk 半導体製造工場のクリーンルーム
US5064457A (en) * 1991-02-01 1991-11-12 Vwe, Inc. Particulate containment control system
JP3309416B2 (ja) * 1992-02-13 2002-07-29 松下電器産業株式会社 連結式クリーン空間装置
US5655963A (en) * 1995-12-04 1997-08-12 Rite-Hite Corporation Air-releasing endcap for fabric air dispersion system
FR2748048B1 (fr) * 1996-04-25 1998-07-31 Air Strategie Gaine textile pour la protection rapprochee du convoyage de produits sensibles et hotte a flux laminaire comportant une telle gaine
US5769708A (en) * 1996-10-22 1998-06-23 Rite-Hite Corporation Fabric air dispersion system with air dispersing panels

Also Published As

Publication number Publication date
AU3059700A (en) 2000-08-18
US6733557B1 (en) 2004-05-11
EP1147345A1 (de) 2001-10-24
AU768165B2 (en) 2003-12-04
FR2788843B1 (fr) 2001-04-13
FR2788843A1 (fr) 2000-07-28
ATE292265T1 (de) 2005-04-15
JP2002535602A (ja) 2002-10-22
DE60019088T2 (de) 2006-02-02
ES2235827T3 (es) 2005-07-16
PT1147345E (pt) 2005-06-30
MXPA01007529A (es) 2003-03-27
CA2361125A1 (fr) 2000-08-03
DE60019088D1 (de) 2005-05-04
CN1338035A (zh) 2002-02-27
WO2000045097A1 (fr) 2000-08-03
CN1158489C (zh) 2004-07-21

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