EP1085270B1 - Dispositif pour rendre l'air extra pur dans les domaines de la biotechnologie, des produits alimentaires, et de la pharmacie - Google Patents

Dispositif pour rendre l'air extra pur dans les domaines de la biotechnologie, des produits alimentaires, et de la pharmacie Download PDF

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Publication number
EP1085270B1
EP1085270B1 EP00119990A EP00119990A EP1085270B1 EP 1085270 B1 EP1085270 B1 EP 1085270B1 EP 00119990 A EP00119990 A EP 00119990A EP 00119990 A EP00119990 A EP 00119990A EP 1085270 B1 EP1085270 B1 EP 1085270B1
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EP
European Patent Office
Prior art keywords
housing
fan
air
heat exchanger
filter
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
EP00119990A
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German (de)
English (en)
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EP1085270A2 (fr
EP1085270A3 (fr
Inventor
Manfred Renz
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.)
M+W Zander Products GmbH
Original Assignee
M+W Zander Facility Engineering GmbH and Co KG
M+W Zander Facility Engineering GmbH
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Publication of EP1085270A2 publication Critical patent/EP1085270A2/fr
Publication of EP1085270A3 publication Critical patent/EP1085270A3/fr
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Publication of EP1085270B1 publication Critical patent/EP1085270B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • F24F1/0038—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room in combination with simultaneous exhaustion of inside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0035—Indoor units, e.g. fan coil units characterised by introduction of outside air to the room
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/032—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers
    • F24F1/0323—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/0328—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing with means for purifying supplied air
    • F24F1/035—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing with means for purifying supplied air characterised by the mounting or arrangement of filters
    • 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
    • F24F13/24—Means for preventing or suppressing noise

Definitions

  • the invention relates to a clean air device for the pharmaceutical, food and biotechnical field according to the preamble of claim 1.
  • the invention has the object of providing the generic purest air device in such a way that the supply air in a structurally simple manner and can be reliably supplied to the respective clean rooms in compact dimensions.
  • the fan, the filter and the heat exchanger are housed in a common housing.
  • expensive channels for the supply of supply air or return of the return air are no longer required.
  • the incoming air flowing through the filter passes directly into the clean room, while the return air from the clean room is fed directly to the heat exchanger.
  • the clean air device according to the invention is therefore structurally simple and can be installed without much effort. Due to the formation of the invention designed as a modular unit, the purest air device has only small dimensions, so that the clean air device can also be installed where only a small installation space is available. Since the housing spaces for the fan and the heat exchanger are arranged side by side, the clean air device has only a small height.
  • the clean air device is intended for use in the pharmaceutical or food sector or in the field of biotechnology.
  • the clean air device is designed as a module and is used in the clean room area class B, C and D.
  • the purest air device according to FIGS. 1 to 3 has a housing 1 in which a filter fan unit 2 and a heat exchanger 3 are accommodated next to one another.
  • the heat exchanger 3 is advantageously designed as a cooler in the embodiments described below.
  • the filter fan unit 2 has a fan 4, which sucks purest air from a supply air chamber 5, which is located in the region between the fan 4 and a ceiling 6 of the housing 1. Below the fan 4 is a filter 7, which is formed in a known manner and through which the clean air flows into the clean room.
  • the filter fan unit 2 is separated by a partition wall 8 from a space 9 receiving the radiator 3.
  • the partition wall 8 is provided with an opening 10 which connects the receiving space 9 with the supply air chamber 5.
  • the filter 7 is located at a small distance above a supply air grid 11, through which the supply air enters the clean room.
  • the cooler 3 is provided in the region above a return air grille 12, through which the return air flows to the radiator 3.
  • the housing 1 is formed cuboid in the illustrated embodiment. It can of course have any other suitable shape.
  • a sound insulation layer 17 is applied on the inside of the ceiling 6.
  • the fan 4 is held on a plate 18, which has an exemplary square outline (FIG. 2) and at least on two opposite sides of a Schalldämm für 19, 20 surmounted and fixed to the housing side wall 14 and on the partition 8.
  • the sound insulation layer 19 is provided on the inside of the housing side wall 14 and the opposite sound insulation layer 20 on the partition 8, which extends from the housing bottom to the housing cover 6 between the opposite housing walls 13, 15.
  • the partition 8 is advantageously made of metal.
  • the filter 7 is received by a frame 21, the frame sides have approximately L-shaped cross-section.
  • leg 22 of the frame 21 of the filter 7 is located on the bottom in the installed position.
  • Parallel to the inwardly angled frame leg 22 of the frame 21 has an upper frame leg 23, the free end 24 is angled upwards and with which the frame 21 is fixed to the inside of the housing side walls 13 to 15 and on the partition 8.
  • the filter 7 is located at a distance below the fan 4, so that a lying between him and the filter flow space 25 is formed becomes.
  • the flow space 25 ensures that the clean air over the entire surface of the filter 7 is uniformly supplied.
  • a deflection device 26 is attached at the bottom of the fan 4. It is formed by a flat plate 27 which projects on all sides via the fan 4 and whose outer edge 28 extends at right angles upwards.
  • the sucked by the fan 4 in a manner to be described clean air enters the formed between the plate edge 28 and the fan 4 annulus 29 in which the clean air flows upwards. Since the plate edge 28 terminates at a distance below the support plate 18, the clean air can escape from the annular space 29 and reach the flow space 30 located between the plate edge 28 and the sound insulation layers 19, 20. In it, the clean air flows into the flow space 25, in which the flow space 30 passes. From the flow space 25 from the clean air flows through the filter 7 and passes through the Zu Kunststoffgitter 11 in the underlying clean room.
  • the sound absorbing layer 17 extends over the entire inside of the housing cover 6, so that it is also provided in the radiator receiving space 9 (FIG. 3).
  • In the housing side wall 16 is an opening 31, to the outside of a supply air pipe 32 is connected, can be supplied via the outside air 33.
  • the opening 31 is located immediately after the ceiling-side sound insulation layer 17 and thereby at a distance above the radiator 3.
  • the outside air 33 flows at right angles to the return air 34 in the space 9, in which the outside air 33 is mixed with the return air 34.
  • the space 9 thus also forms a mixing chamber for the outside air and the return air. From the space 9, the mixed air passes through the opening 10 of the partition 8 in the supply air chamber 5 between the support plate 18 and the ceiling-side sound insulation layer 17th
  • the partition 8 divides the housing 1 into two receiving spaces, of which the fan-side receiving space is larger than the cooler-side space 9.
  • the Zu povertygitter 11 has distributed over its surface arranged Zu povertyö Maschinenen, connect to the inclined and parallel to each other baffles 37. They extend from the opening edge obliquely in the direction of the receiving space 9 for the radiator 3. Thus, the supply air 38 enters at first obliquely into the underlying clean room. Due to the baffles 37, the supply air 38 flows from the room 9 obliquely away, so that this supply air does not flow back immediately via the return air grille 12 to the radiator 3.
  • the return air grille 12 has distributed over its surface arranged openings, connect to the baffles 39. They are also parallel and are opposite to the guide plates 37 of the supply air grid 11 inclined.
  • the filtered supply air 38 flows through the supply air grid 11 directly into the clean room. Subsequently, the provided with the received particles return air 34 flows through the return air grille 12 to the radiator 3, which it flows through. Here, the return air 34 is cooled.
  • the radiator 3 is horizontal approximately at the level of the filter 7.
  • the return air 34 flows in the cooler chamber 9 upwards and passes through the opening 10 in the partition 8 in the supply air chamber 5 above the fan 4.
  • outside air 33 in the Cooler space 9 are supplied, in which the outside air 33 is mixed with the cooled return air 34, In this case, this air mixture enters through the opening 10 in the supply air chamber 5.
  • the return air flows through an opening provided in the support plate 18 opening 40 (Fig. 1) in the fan 4.
  • the support plate 18 includes both the annular space 29 and the flow chamber 30 up against the supply air chamber 5 off.
  • the exiting the fan 4 air enters the annular space 29, in which it is deflected by the upward plate edge 28 upwards.
  • the supply air then flows down into the flow space 25, which ensures that the supply air is evenly distributed over the inlet surface of the filter 7.
  • the supply air is cleaned and filtered in a known manner before re-entering the clean room.
  • annular space 29 may be provided only on both sides of the fan 4 mutually parallel flow channels extending between the housing side walls 13 and 15. In this case, the air coming from the fan 4 flows via the plate edges 28 into the flow space 30.
  • the purest air device is designed as a module that can be used for example in an opening of a grid ceiling 41.
  • Figs. 2 and 3 the mutually perpendicular crossing support rails 42 and 43 of the grid ceiling 41 are shown. But it is also possible to attach the modules suspended on a building ceiling and clean room side to a suspended ceiling, for example, modular panels to connect.
  • the module is symmetrical.
  • the housing 1a has a square outline.
  • On two opposite housing sides 14a, 16a is within the Housing 1 a each a fan 4 a arranged.
  • the two fans 4a are in half the length of the housing side walls 14a, 16a at the same height. They are the same design as the fan 4 shown in FIGS. 1 to 3.
  • a filter 7a which has a rectangular outline.
  • the filters 7a extend between the opposing ones. Housing side walls 13a, 15a.
  • the filters 7a extend between the housing side walls 14a, 16a and parallel partitions 8a extending parallel to the housing side walls 14a, 16a between the housing side walls 13a, 15a.
  • the partitions 8a separate the supply air chambers located in the area above the fans 4a from the cooler space 9a, in which the cooler 3a is accommodated. It is also arranged horizontally in the installed position and extends according to the previous embodiment between the mutually opposite, parallel housing side walls 13a, 15a.
  • the radiator 3a extends between the mutually parallel partitions 8a.
  • Fig. 5 shows an embodiment in which the housing 1b is divided according to the embodiment of FIG. 4 by the partition walls 8b.
  • a single fan 4b is provided, which is housed in the central space of the housing 1b, while in the two adjoining rooms in each case a cooler 3b is arranged.
  • the two coolers 3b are advantageously of identical design and extend between the housing side walls 13b, 15b located opposite one another and between the housing side walls 14b, 16b and the partition walls 8b located parallel thereto.
  • the fan 4b is arranged centrally in the housing 1b.
  • FIG. 6 shows the possibility of accommodating the cooler 3c not horizontally but in an oblique position within the cooler space 9c.
  • This oblique position has the advantage that the cooler chamber 9c can be kept very narrow, so that the corresponding housing 1 c has small outer dimensions.
  • the cooling effect is not affected by the inclination of the radiator 3c.
  • the inclined radiator 13 is fastened with retaining rails 44, 45 on the housing bottom and on the housing side wall 16c.
  • retaining rails 44, 45 on the housing bottom and on the housing side wall 16c.
  • the fan is in the area above the radiator.
  • the return air flows through the return air grille and through the radiator before it reaches the fan above. From there, the air is directed to the filters, which extend in the area next to the radiator above Zu Kunststoffgittern.
  • the cooler is advantageously arranged centrally and separated by partitions with respect to the filters, so that the return air in any case must flow through the radiator and through the fan before it reaches the filters.
  • the cooler 3d which is preceded by a prefilter 46, is located in the space 9d. It sits in a flow channel 60 for the return air 34.
  • the filter-fan unit 2 is inserted into the housing 1d adjacent to the radiator 3d and has the fan 4d suspended on the plate 18d.
  • the sound insulation layers 19d, 20d are provided which extend from the filter 7d up to the level of the plate 18d.
  • the deflection device 26d is provided, which advantageously also consists of sound insulation material.
  • the sucked from the supply air chamber 5d air exits down from the fan 4d and is deflected laterally at the deflector 26d.
  • the flow space 30d is designed as an annular space and lies in the region between the fan 4d or the deflection device 26d and the sound insulation layers 19d, 20d.
  • the flow space 25d is bounded upwards by the deflection device 26d. From here, the air flows through the filter 7d down to be described Outlet through which the clean air passes into the cleanroom underneath.
  • the fan 4d, the sound insulation layers 19d, 20d, the deflection device 26d and the filter 7d form a structural unit 47, which is inserted into the housing 1d of the high-purity air device.
  • the assembly 47 has a housing 48, on the side walls of the sound insulation layers 19d, 20d abut.
  • the housing 48 is closed down through the filter 7d.
  • the housing 48 is closed at the top by sections of the side walls which are bent at right angles inwards, as well as the plate 18d fastened thereon.
  • the assembly 47 can be preassembled and easily inserted into the housing 1d of the clean air device.
  • the housing 1d of the clean air device sits on a built-in frame 49, with which the device, as explained with reference to the embodiment of FIGS. 1 to 3, placed on the grid ceiling 41 or can be attached hanging on an on-site ceiling.
  • the supply air nozzle 32d is provided on the side wall 14d of the housing 1d.
  • the supply air duct 32d is located on the side of the filter-fan unit 2 facing away from the cooler 3d. This arrangement has the advantage that the air flowing through the cooler 3d and reaching the supply air chamber 5d and the outside air supplied through the supply air duct 32d are symmetrical be sucked from the fan 4d from the supply air chamber 5d.
  • the return air 34 flows via the radiator 3d into the space 9d and passes through the opening 10d in the supply air chamber 5d.
  • the air exiting from the fan 4d is deflected radially outward at the deflection device 26d and flows via the flow space 30d into the flow space 25d and thence through the filter 7d.
  • the flow space 25d ensures that the supply air is uniformly distributed over the inlet surface of the filter 7d.
  • the supply air is cleaned and filtered in a known manner before it enters the clean room.
  • thermostatic control valve 50 On the side wall 16d of the housing 1d is located at the upper edge region of a thermostatic control valve 50, with which the cooler 3d can be controlled.
  • a Meßstutzen 51 to which a measuring line 52 via a further Meßstutzen 53 is connected, which is arranged in the region next to the fan 4d in the flow space 30d.
  • a Meßstutzen 53 can be measured with a connected to the measuring nozzle 51 measuring sensor, the pressure in the flow chamber 30d.
  • the pressure below the filter 7d can be determined with a further sensor (not shown). From the pressure difference conclusions can be drawn on the load of the filter 7d. Thus, it can be determined when the filter 7d must be cleaned and / or replaced.
  • the two measuring nozzles 51 and 53 it is also possible to detect the particle concentration in the flow path of the air in front of the filter 7d. In particular, when using the clean air device in the pharmaceutical sector, the integrity of the suspended matter filter 7d can thus be checked and monitored.
  • a temperature sensor 54 which acts on the thermostatic control valve 50.
  • the thermostatic control valve and an electric or electromotive control valve can be used.
  • a further temperature sensor can be installed, with which the room temperature can be detected.
  • the wall 16d of the housing 1d is provided with a connection piece 55, via which, if required, all or part of the return air can be supplied to a downstream (not shown) exhaust air system.
  • the filtered and cooled supply air 38 occurs from all sides and turbulent in the clean room. It is distributed in the clean room and is sucked out of the clean room via the return air grille 12d and recooled via the heat exchanger 3d.
  • the return air grille 12d is surrounded on three sides by the supply air grid 11d.
  • the supply air grid 11d has a U-shape and is provided with the guide plates, via which the outflowing clean air is blown into the clean room.
  • the baffles 37d in the individual areas of the supply air grid 11d are adjusted so that the purge air flows in different directions. In Fig. 8, the outflow directions of the purest air are indicated by arrows.
  • the baffles are made obliquely, so that the supply air 38 emerges obliquely in the direction of the respective adjacent edge of the housing 1d.
  • the return air grille 12d has the inclined baffles. These baffles, even in the previous embodiments, omitted. Since the return air grille 12d is located between two sections of the supply air grid 11d (FIG. 8), within the clean air device in the area above the return air grille 12d there is a box 56 which, in view of the return air grille 12d, has the same contour shape as this grid. This box 56 has an inclined wall 57 which extends obliquely downwards. The measured perpendicular to the plane of FIG. 7 width of this wall 57 corresponds to the corresponding width of the return air grille 12d.
  • the described clean air units are small, modular units that can be used excellently in the fields of pharmacy, food and biotechnology.
  • the modules represent self-sufficient units, so that a complex channel system for supplying the return air is not necessary.
  • the inside of the modules is smooth, so that not only a perfect flow is guaranteed, but the module can also be easily cleaned.
  • the temperature control and the volume flow control of the module can preferably via a bus system, such as a LON done.
  • the modules can be easily mounted in the required places within clean rooms.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Ventilation (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
  • Duct Arrangements (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)

Claims (19)

  1. Enceinte à air extra pur pour le secteur de la pharmacie, des produits alimentaires et la biotechnique, comprenant au moins un ventilateur (4, 4a, 4b, 4d) à la suite duquel est branché au moins un filtre (7, 7a, 7b, 7d) et avant lequel est branché au moins un appareil de transmission de chaleur (3, 3a, 3b, 3d), de préférence un refroidisseur, dans laquelle le ventilateur (4, 4a, 4b, 4d), le filtre (7, 7a, 7b, 7d) et l'appareil de transmission de chaleur (3, 3a, 3b, 3d) sont logés dans un boîtier commun (1, 1a, 1b, 1d) qui est réalisé sous forme de module, et le ventilateur (4, 4a, 4b, 4d) et l'appareil de transmission de chaleur (3, 3a, 3b, 3d) sont logés dans des chambres du boîtier qui sont séparées l'une de l'autre par au moins une cloison de séparation (8, 8a, 8b) qui comporte au moins une traversée (10, 10a, 10d) à travers laquelle s'écoule l'air en retour (34) vers le ventilateur (4, 4a, 4b, 4d),
    caractérisée en ce que les chambres du boîtier qui reçoivent le ventilateur (4, 4a, 4b, 4d) et l'appareil de transmission de chaleur (3, 3a, 3b, 3d) sont disposées l'une à côté de l'autre, et l'air en retour (34) à l'entrée dans le boîtier (1, 1a, 1b, 1d) et l'air refoulé produit par le ventilateur (4, 4a, 4b, 4d) à la sortie du boîtier ont des directions d'écoulement approximativement parallèles.
  2. Enceinte selon la revendication 1, caractérisée en ce que la traversée (10, 10a, 10d) débouche dans une chambre d'admission d'air (5, 5d) qui est prévue du côté aspiration du ventilateur (4, 4a, 4b, 4d) dans le boîtier (1, 1a, 1b, 1d).
  3. Enceinte selon la revendication 1 ou 2, caractérisée en ce que l'appareil de transmission de chaleur (3a) est logé dans une chambre centrale (9a) du boîtier, sur les deux côtés de laquelle sont prévues avantageusement d'autres chambres de boîtier respectives dans lesquelles est logé respectivement un ventilateur (4a) avec au moins un filtre associé (7a).
  4. Enceinte selon la revendication 1 ou 2, caractérisée en ce que le ventilateur (4b) est logé dans une chambre centrale du boîtier, sur les deux côtés de laquelle sont prévus avantageusement d'autres chambres de boîtier respectives (9b) dans lesquelles est logé respectivement un appareil de transmission de chaleur (3b).
  5. Enceinte selon l'une des revendications 1 à 4, caractérisée en ce que les chambres de boîtier (9, 9a à 9c, 9d) s'étendent entre deux parois latérales de boîtier (13, 13a, 13b ; 15, 15a, 15b) opposées l'une à l'autre.
  6. Enceinte selon l'une des revendications 1 à 5, caractérisée en ce que le filtre (7, 7a, 7b, 7d) s'étend entre des parois latérales de boîtier (13, 13a, 13b ; 15, 15a, 15b) opposées l'une à l'autre.
  7. Enceinte selon l'une des revendications 1 à 6, caractérisée en ce que les parois de boîtier (6, 13 à 16 ; 13a à 16a ; 13b à 16b, 14d, 16d) sont pourvues sur la face intérieure au moins partiellement d'une couche d'amortissement sonore (17, 19, 20 ; 19d, 20d).
  8. Enceinte selon l'une des revendications 1 à 7, caractérisée en ce qu'au moins une ouverture d'admission (31) pour de l'air extérieur (33) débouche dans la chambre de boîtier (9, 9a à 9c) qui reçoit l'appareil de transmission de chaleur (3, 3a à 3c).
  9. Enceinte selon l'une des revendications 1 à 7, caractérisée en ce que la chambre de boîtier (9d) qui reçoit l'appareil de transmission de chaleur (3d) et au moins une ouverture d'admission pour de l'air extérieur (33) sont prévues sur des côtés mutuellement opposés du ventilateur (4d).
  10. Enceinte selon l'une des revendications 1 à 9, caractérisée en ce que l'appareil de transmission de chaleur (3, 3a, 3b) est disposé perpendiculairement à la direction d'écoulement de l'air en retour (34).
  11. Enceinte selon l'une des revendications 1 à 9, caractérisée en ce que l'appareil de transmission de chaleur (3c) est disposé en angle par rapport à la direction d'écoulement de l'air en retour (34).
  12. Enceinte selon l'une des revendications 1 à 11, caractérisée en ce que les ouvertures de sortie pour l'air refoulé (38) sont réalisées de telle manière que l'air refoulé (38) est dévié en éloignement de l'ouverture de retour d'air.
  13. Enceinte selon l'une des revendications 1 à 12, caractérisée en ce que le boîtier (1, 1a, 1b, 1d) est susceptible d'être monté sur un plafond à trame (41).
  14. Enceinte selon l'une des revendications 1 à 12, caractérisée en ce que le boîtier (1, 1a, 1b, 1d) est susceptible d'être monté en suspension sur un plafond.
  15. Enceinte selon l'une des revendications 1 à 14, caractérisée en ce que le ventilateur (4d) et le filtre (7d) sont regroupés dans une unité structurelle (47) qui comporte avantageusement au moins une couche d'amortissement sonore (19d, 20d) et qui comporte avantageusement un dispositif de déviation (26d), agencé en aval du ventilateur (43d), pour l'air refoulé.
  16. Enceinte selon la revendication 15, caractérisée en ce que l'unité structurelle (47) peut être mise en place dans le boîtier (1d).
  17. Enceinte selon l'une des revendications 1 à 16, caractérisée en ce que les ouvertures de sortie pour l'air refoulé (38) et les ouvertures d'entrée pour l'air de retour (34) sont prévues du même côté du boîtier (1, 1a, 1b, 1d).
  18. Enceinte selon la revendication 17, caractérisée en ce que les ouvertures de sortie font partie d'une grille d'air refoulé (11, 11d), qui entoure au moins partiellement une grille d'air de retour (12d) qui contient les ouvertures d'entrée.
  19. Enceinte selon l'une des revendications 1 à 18, caractérisée en en ce qu'au moins un préfiltre (46) est agencé avant le ventilateur (4d) dans le trajet d'écoulement de l'air de retour (34).
EP00119990A 1999-09-16 2000-09-14 Dispositif pour rendre l'air extra pur dans les domaines de la biotechnologie, des produits alimentaires, et de la pharmacie Expired - Lifetime EP1085270B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29916321U 1999-09-16
DE29916321U DE29916321U1 (de) 1999-09-16 1999-09-16 Reinstlufteinrichtung für den Pharmazie-, Lebensmittel- und biotechnischen Bereich

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EP1085270A2 EP1085270A2 (fr) 2001-03-21
EP1085270A3 EP1085270A3 (fr) 2003-11-05
EP1085270B1 true EP1085270B1 (fr) 2007-01-31

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US (1) US6358139B1 (fr)
EP (1) EP1085270B1 (fr)
JP (1) JP2001133002A (fr)
KR (1) KR20010050463A (fr)
CN (1) CN1177174C (fr)
AR (1) AR025673A1 (fr)
AT (1) ATE353130T1 (fr)
BR (1) BR0004250A (fr)
DE (2) DE29916321U1 (fr)
IN (1) IN2000KO00535A (fr)
SG (1) SG84618A1 (fr)

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Also Published As

Publication number Publication date
CN1293342A (zh) 2001-05-02
CN1177174C (zh) 2004-11-24
KR20010050463A (ko) 2001-06-15
DE29916321U1 (de) 1999-12-23
AR025673A1 (es) 2002-12-11
SG84618A1 (en) 2001-11-20
BR0004250A (pt) 2002-07-23
IN2000KO00535A (fr) 2015-07-17
EP1085270A2 (fr) 2001-03-21
EP1085270A3 (fr) 2003-11-05
DE50014020D1 (de) 2007-03-22
US6358139B1 (en) 2002-03-19
ATE353130T1 (de) 2007-02-15
JP2001133002A (ja) 2001-05-18

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