EP0414638B1 - Installation de ventilation - Google Patents

Installation de ventilation Download PDF

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Publication number
EP0414638B1
EP0414638B1 EP90810611A EP90810611A EP0414638B1 EP 0414638 B1 EP0414638 B1 EP 0414638B1 EP 90810611 A EP90810611 A EP 90810611A EP 90810611 A EP90810611 A EP 90810611A EP 0414638 B1 EP0414638 B1 EP 0414638B1
Authority
EP
European Patent Office
Prior art keywords
ventilation
central
installation according
control
ventilation installation
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
EP90810611A
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German (de)
English (en)
Other versions
EP0414638A1 (fr
Inventor
Thomas Dipl.-Ing. Eth Huonder
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.)
Zurecon AG
Original Assignee
Zurecon AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from CH309089A external-priority patent/CH678888A5/de
Priority claimed from CH216490A external-priority patent/CH682106A5/de
Application filed by Zurecon AG filed Critical Zurecon AG
Publication of EP0414638A1 publication Critical patent/EP0414638A1/fr
Application granted granted Critical
Publication of EP0414638B1 publication Critical patent/EP0414638B1/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
    • F24F11/00—Control or safety arrangements
    • F24F11/0001—Control or safety arrangements for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit

Definitions

  • the invention relates to a ventilation system with a plurality of ventilation points arranged in a building.
  • a ventilation device for apartments which has a housing with a plurality of connecting pieces which can be controlled by means of throttle valves and a blower;
  • a common control device is provided for the blower and the actuators of the throttle valves. It is a single device for a limited number of connections, the arrangement of the individual throttle bodies on a housing being disclosed.
  • the document does not provide any information for the construction of extensive systems and their appropriate control.
  • the invention is intended to propose a novel construction of such ventilation systems in which the aforementioned disadvantages are eliminated.
  • a standardized, simple and cost-effective overall structure of such systems is sought, the maintenance of which is decisively simplified and which also offer the possibility of simple and efficient overall control. - This object is achieved by the features specified in claim 1.
  • ventilation is to be understood as either a) only the ventilation, b) both ventilation and ventilation, or c) only regarding ventilation.
  • ventilation systems with elements for exhaust air and / or supply air can be considered; depending on the situation, the system then contains one or two central fans and assigned collection channels.
  • systems for "treated” air in particular heating and air-conditioning systems, as well as ventilation and air-conditioning systems and facilities are expressly to be included.
  • the invention is thus based on the consideration that the closure members (throttle valves, blinds, iris diaphragms, slides and the like) and their drive (motors, magnets, pneumatic cylinders, bimetal, memory metal, etc.) can be grouped together in one system.
  • the proposed "modular" structure enables very simple planning, cost-effective production and the simple assembly of prefabricated units.
  • the "passive" control modules with regard to air transport are considerably simpler and cheaper compared to individual devices containing blowers. By making the control modules generally accessible, e.g. maintenance in a stairwell or above the apartment corridors, maintenance is possible without access to the individual apartment rooms.
  • the electrical installation for the locking drives can also be drastically simplified and can be practically completely prefabricated on the individual control module.
  • the control module also offers options for simple control of the entire system or the central fan. Furthermore, the installation is particularly simple and inexpensive if the electrical part is designed as a low-voltage, low-voltage system.
  • FIG. 1 shows a ventilation system - as an example of a ventilation system according to the invention - in a multi-storey residential building 1.
  • the superimposed floors 2 are accessed by a common staircase 3, and on each floor there are two apartments 4 lying side by side.
  • Building 1 is shown partially broken away, i.e. Of the five floors, only four are drawn, so that the apartments on floor IV can be seen from above.
  • the ventilation system installed in building 1 has a central fan 15 - here a roof fan - and a collecting duct 10 operated by it; the latter is led, for example, through a vertical installation shaft, which is located in the building next to the staircase and is accessible from this on each floor through a revision cover (maintenance door) (not shown).
  • a vertical installation shaft which is located in the building next to the staircase and is accessible from this on each floor through a revision cover (maintenance door) (not shown).
  • suction lines 21 are predominantly installed in the ceiling, which lead as ventilation branch lines to suction points 22 (ventilation points) arranged in a distributed manner, for example in both apartments on the floor in the kitchen (steam exhaust) and bathroom and toilet.
  • these suction lines 21 do not lead directly to the collecting duct 10, but instead there is a control module 20 directly connected to the collecting duct 10 on each floor, that is to say for a group of suction points 22 in each case, which has a connection point for each suction line .
  • each of these connection points is equipped with a locking element and individually controllable locking drive.
  • the opening and closing or the regulation of the individual branch lines 21 does not take place at the ventilation points 22, but the latter are simply formed by the open ends of the suction lines (at most behind a screen, in a suspended ceiling or covered by a ventilation grille).
  • the ventilation points 22 of a floor 2 each form a group and are connected to the control module 20 present on each floor, and all control modules 20 are in turn connected by the vertical collecting duct 10 leading to the fan 15.
  • the ventilation points can also be configured, for example, by designing the control module or connecting the branch lines. of adjoining apartments 4 on one floor 2 can be combined into separate groups.
  • the control modules 20 are installed in the building 1 in such a way that they can be reached as directly as possible from the stairwell 3 or from other generally accessible rooms; also the installation e.g. above the apartment corridor can be appropriate.
  • the course of the collecting duct, the arrangement of the fan, the grouping of the ventilation points, etc. can also be designed differently than in the example according to Fig. 1.
  • the collecting channel can be guided, for example, horizontally or at an angle.
  • the ventilation system according to the invention can also be used for office buildings, commercial buildings, public buildings, etc.
  • control module 20 as part of a ventilation system, initially relating to the ventilation.
  • a control module should essentially have a collecting box which is designed for direct connection to the collecting channel 10; the collecting box should have a plurality of connecting pieces for connecting suction lines, each connecting piece being provided with a closure member and the associated closure drive.
  • a pipe section 23 forms two opposite, coaxial connecting pieces 24 for connection to the collecting duct 10.
  • a collecting box 25 located between the named connecting pieces 24 stands transversely to the axis of the pipe piece 23 and communicates with the pipe piece ( partial penetration).
  • the collection box 25 is, as shown, preferably prismatic and composed of two halves; it can also be omitted the left half in Figs. 2 and 3 and the other half of the collecting box can be closed by a flat plate.
  • a plurality of connecting pieces 26 are arranged on the collecting box 25.
  • the connecting pieces 26 can all be directed to one side or, as indicated by dash-dotted lines, also to the other side.
  • the nozzles 26 are provided with individual closure members 27 and their closure drive 28, so that in each suction line 21 the air flow on the control module can be switched on, interrupted or regulated.
  • other closing elements such as louvre grilles, iris diaphragms, sliders or the like, can of course be used, wherein only an open / close control or a continuous quantity regulation can be provided as required.
  • a control unit 40 is also assigned to the control module 20a for controlling the locking drives 28 of the group in question.
  • control lines 41 (indicated by dash-dotted lines in FIG. 1) are connected to the latter and are activated as required by the rooms to be vented; control lines 41 can also be provided which jointly control all drives 28 of a group (e.g. for all suction points in an apartment). Further details and control options will be discussed below in connection with FIGS. 7 and 8.
  • the collecting box 35 is composed of one or more stackable rings 31 and two end plates 32, 32 ', which plates form the connecting piece 24 for connecting the collecting channel 10.
  • Each ring 31 has nozzles 26 projecting radially in different directions for connecting the suction lines 21.
  • the outgoing direction of the connecting piece 26 can be selected by adjusting the rotational position of the rings 31, as can be seen from FIG. 5.
  • any connections 26 which are not required and which are provided in reserve can be closed by means of a cover 29 (FIG. 4) or the like.
  • the control module 20b is also equipped with closure members 27 in the individual connecting pieces 26 and associated closure drives 28 and also with a group control unit 40.
  • connecting pieces 26 for suction lines with different diameters can be provided.
  • cross-sectional diaphragms 33 with a given passage cross-section to the sockets 26, for example to the ends of the sockets 26 which still protrude radially inwards, as can be seen from the sectional illustration on the right in FIG.
  • Air filters 34 can also be attached in individual nozzles 26, especially for control purposes in suction lines 21 which are connected to steam hoods in kitchens are: If a dirty filter 34 is found during maintenance, this is an indication that a grease filter has been removed in accordance with the regulations in the fume hood concerned.
  • the expansion variants described above can of course also be used in the control module 20a according to FIGS. 2 and 3 as well as in other conceivable embodiments of control modules.
  • control modules 20 including the control and wiring can be largely prefabricated and installed as a unit. Subsequent changes or extensions to the system can also be easily carried out at any time.
  • Control modules of the type described above or of a similar type can of course also be used for ventilation instead of for ventilation, that is to say for the distribution and control of the supply air in a ventilation system.
  • the above statements then apply mutatis mutandis, and the supply air control modules are then connected to a supply air collecting duct which is operated by a ventilation fan (not shown).
  • a ventilation fan not shown.
  • FIG. 6 shows, however, combined control modules for exhaust air and supply air are also possible.
  • the control module 20c has a collecting box 55, which is subdivided into a supply air box 57 and an exhaust air box 58 by means of a partition 56.
  • the control module 20 is connected to collecting ducts 10a and 10b (risers), namely the supply air box 57 with the duct 10a and the exhaust air box 58 with the duct 10b.
  • the collecting ducts lead to the central parts of the system (fan, heating and / or air conditioning system, for example with heat recovery).
  • the control module 20c In order to operate several ventilation points - for example similar to the different rooms in an apartment as in FIG. 1 - the control module 20c a corresponding number of nozzle pairs P.
  • the two connecting pieces 26a and 26b of each pair P are each intended for connection to a supply air and an associated exhaust air branch line.
  • Each connecting piece 26a, 26b is provided with a closing element 27, and both closing elements of each pair of connecting pieces P are provided with a common closing drive 28, which effects the adjustment of both closing elements in the same direction.
  • the one connector 26a of each pair P communicates with the channel 10a and the other connector 26b with the channel 10b via the control module 20c;
  • all connections 26a start from the supply air box 57, while all connections 26b open into the exhaust air box 58.
  • the header box according to FIGS. 1 and 6 with a flat prismatic arrangement, with the connecting pieces for the ventilation branch pipes and the at least one header duct arranged on the narrow sides of the header box are.
  • the common locking drive 28 of each pair of connecting pieces P can be activated via control lines 42 as required. Thanks to common and co-directional control of the air flows in the branch lines assigned to each other, the ventilation of the individual rooms or locations with respect to volume, air speed and pressure can thus be controlled individually and as required. Even in the case of separate collecting boxes or modules for exhaust air and supply air, a common control system is of course expedient in order to adjust the shutters of exhaust air and supply air branch lines assigned to one another in the same direction.
  • the two connecting pieces 26a, 26b can be encompassed by a common flange plate (not shown), which is used to connect the unit 59 serves on the collecting box 55, and which also carries the drive 28.
  • a common flange plate not shown
  • closure elements can also be used here, such as throttle flaps, lamella closures, sliders, iris diaphragms, fire protection flaps etc.
  • control module 20c can also have connections (not shown in FIG. 6) with closure members for individual lines, which start from the supply air box 57 or open into the exhaust air box 58. This is e.g. expedient for extracting the moisture from tumblers or from cellars or on the other hand for supplying air to fireplaces.
  • a simple control of the fan drive 16 in accordance with the need for air delivery capacity, which varies greatly over time, can be realized via the group control units 40 as follows: the individually controllable closure members 27 are each provided with a position transmitter 43 (see also FIGS. 4 and 5) . These generate a position signal which is fed via lines 44 on the control module 20 to a summing circuit in the relevant group control unit 40. With the position signal it can be (for example in the case of throttle valves) only an open / close signal or (in the case of continuously controllable closure members) a correspondingly constantly changing signal.
  • the summing circuit 45 - symbolized by an AND gate - generates a corresponding summation signal which is fed via line 46 to a central control unit 50. Corresponding sum signals also reach the central control unit 50 via lines 46 from the other group control units, where they are fed to a further circuit 47 for forming the sum.
  • the sum signal on the output line 48 thereof is used to control the speed of the fan motor 16 as required.
  • the system can also be controlled in a variety of ways from the central control unit 50, as indicated by the control line 51 leading to the group control unit 40 in FIG. 7.
  • the central control according to a time program, override of the individual shutter drives e.g. in the event of fire, shock or interval ventilation, limited permanent ventilation, etc.
  • Other control functions can also expediently be carried out from the group control unit 40, e.g. Run-on after switching off, priority switching for certain ventilation points, etc.
  • control command transmitters which are assigned to the individual locations to be ventilated (e.g. living rooms, bathrooms, toilets, kitchens, etc. in an apartment), the electrical locking drives and, if applicable, regulators, time switch means and connection points for the central system control unit are combined in terms of circuitry.
  • the aforementioned group control unit is expediently designed as a low-voltage, low-voltage system.
  • the group control itself especially with regard to the control command transmitters and their connecting lines to the control module, as will be explained below using the example of FIG. 8.
  • the group control unit 40a shown schematically in FIG. 8 for a control module, for example according to FIG. 6, comprises the electric lock drives 28 of the control module (connected via the control lines 42) and also control command transmitters 61, 62, 63 which are assigned to the ventilated points . Since the group control unit 40a is designed as a low-voltage, low-voltage system, the entire control system can be installed without licensed personnel.
  • the unit 40a is expediently provided for connection to the AC network, for example via a plug. It contains an integrated network transformer 64, which effects the galvanic isolation from the AC network.
  • the laying of the lines 42 on the control module, the command lines 41 from the decentralized control command transmitters and further lines under low voltage can be carried out using proven and standardized elements, in particular by means of plug-in connections, as are customary for 12 volt or 24 volt systems; Suitable low-voltage devices are also available and usable for the shutter drives and the command devices.
  • control command transmitters 61, 62, 63 can be connected as shown in FIG. 8.
  • motion detectors 61 are expedient, especially passive infrared sensors. Such motion detectors automatically react to the presence of people in the relevant room or surveillance area during the respective length of stay.
  • a command by means of photocell 63 which responds to the room lighting, is also possible in a manner known per se.
  • the control of a fume hood can be included, which can be controlled via a line 49. Another possibility is the control depending on the air humidity by means of a hygrostat (not shown), e.g. in basements.
  • the command transmitter can advantageously be combined with the mouth part of an assigned ventilation branch line (e.g. supply air line in the relevant room) to form an assembly unit.
  • the relevant control lines 41 can then even be laid in the ventilation branch line, which leads to the control module 20 and the group control unit mounted there.
  • the group control unit 40a according to FIG. 8 can also, as indicated, be controlled by a control center 50 of the entire ventilation system via a line 51. This can be done individually or together with other group control units. Such a higher-level control enables the entire operation to be controlled independently of the users, for example, at certain times of the day, blast ventilation or, on the other hand, throttling of the ventilation output can be forced.
  • this makes it possible to rationally plan, manufacture and install ventilation systems in the required configuration with the desired control options and operating properties.
  • This is mainly due to the modular structure, in that the components of the systems, such as fans, pipes, mouth parts, etc., and in particular the control modules, including the group control units, can be largely prefabricated or preassembled and wired as required from standardized components.

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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)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Fluid-Driven Valves (AREA)
  • Flow Control (AREA)
  • Materials For Medical Uses (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Furan Compounds (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)

Claims (18)

  1. Installation de ventilation comprenant plusieurs endroits (22) de ventilation répartis dans un immeuble (1), comprenant
    - au moins un ventilateur central (15) et une unité centrale (50) de commande associée à celui-ci,
    - au moins une canalisation collectrice (10) desservie par un ventilateur central (15) correspondant pour l'aspiration et/ou la ventilation d'un nombre donné d'endroits de ventilation,
    - plusieurs modules (20) de commande respectivement reliés directement à une canalisation collectrice (10), modules auxquels sont raccordés respectivement et individuellement les endroits (22) de ventilation d'un groupe d'endroits de ventilation, par l'intermédiaire de conduits d'embranchement (21) de ventilation, chaque point (26) de raccordement d'un conduit d'embranchement (21) sur le module de commande comportant un organe (27) de fermeture avec un dispositif d'entraînement (28) de fermeture,
    - et, pour chaque module (20) de commande, une unité (40) de commande de groupe associée à ce module, assurant la commande des dispositifs d'entraînement (28) de fermeture du module.
  2. Installation de ventilation selon la revendication 1, installée dans un immeuble (1) à plusieurs étages, caractérisée en ce qu'à chaque étage (2), un module (20) de commande est prévu, chaque groupe étant constitué par les endroits (22) de ventilation d'un étage (2), et au moins une canalisation collectrice (10) s'étendant verticalement à travers les étages (2).
  3. Installation de ventilation selon la revendication 2, caractérisée en ce que les modules (20) de commande sont installés dans l'immeuble (1) de telle manière qu'ils soient accessibles à partir d'une pièce généralement accessible, par exemple à partir d'une cage d'escalier (3).
  4. Installation de ventilation selon la revendication 1, caractérisée en ce que les unités (40) de commande de groupe sont reliées à l'unité centrale (50) de commande.
  5. Installation de ventilation selon la revendication 1, caractérisée en ce que les organes (27) de fermeture sont pourvus de capteurs (43) de position destinés à générer un signal de position, et en ce que des moyens (45) de circuit existent dans les unités (40) de commande de groupe, destinés à générer un signal de somme correspondant aux positions des organes (27) de fermeture.
  6. Installation de ventilation selon les revendications 4 et 5, caractérisée en ce que les moyens (45) de circuit sont reliés à un circuit additif (47) existant dans l'unité centrale (50) de commande, ce circuit générant un signal de somme en vue de commander le fonctionnement du ventilateur.
  7. Installation de ventilation selon la revendication 1, caractérisée en ce que chaque unité (40a) de commande de groupe comprend les dispositifs électriques d'entraînement (28) de fermeture du module de commande associé, ainsi que des émetteurs (61, 62, 63) d'ordres de commande associés aux endroits (22) de ventilation du groupe, et est réalisée sous forme d'un système à basse tension, faible courant.
  8. Installation de ventilation selon la revendication 7, caractérisée en ce que chaque unité (40a) de commande de groupe est réalisée de manière à pouvoir être raccordée au réseau de courant alternatif par l'intermédiaire d'un transformateur de réseau (64) assurant une isolation électrique.
  9. Installation de ventilation selon la revendication 7, caractérisée par l'utilisation de capteurs (61) de mouvement, notamment de capteurs passifs à infrarouge servant d'émetteur d'ordres de commande.
  10. Installation de ventilation selon l'une des revendications 7 ou 9, caractérisée en ce que l'émetteur d'ordres de commande, voire le capteur (61, 63) de mouvement est regroupé avec la pièce d'embouchure d'un conduit d'embranchement de ventilation associé, pour former une unité de montage.
  11. Installation de ventilation selon la revendication 1, caractérisée en ce que les modules (20) de commande comportent une boîte collectrice (25, 35, 55) réalisée en vue d'être raccordée à au moins une canalisation collectrice (10), et comporte plusieurs tubulures (26) permettant le raccordement de conduits d'embranchement (21) de ventilation.
  12. Installation de ventilation selon la revendication 11, caractérisée en ce que les modules (20) de commande, avec la canalisation collectrice (10), comportent deux tubulures opposées coaxiales (24) de liaison, entre lesquelles se situe la boîte collectrice (25, 35).
  13. Installation de ventilation selon la revendication 12, caractérisée par un élément tubulaire (23) formant les tubulures (24) de liaison, avec lequel communique une boîte collectrice transversale (25), ayant de préférence une forme de prisme.
  14. Installation de ventilation selon la revendication 12, caractérisée en ce que la canalisation collectrice (35) est assemblée à partir d'un ou de plusieurs anneaux (31) pouvant être empilés, comportant des tubulures (26) pour les conduits d'aspiration, et de deux panneaux frontaux (32) formant les tubulures (24) de liaison.
  15. Installation de ventilation selon la revendication 11, caractérisée en ce que la boîte collectrice (55) est réalisée en forme de prisme plat, les tubulures de raccordement pour une canalisation collectrice au moins, ainsi que celles pour les conduits d'embranchement de ventilation étant disposées sur les petits côtés de la boîte collectrice.
  16. Installation de ventilation selon la revendication 11, caractérisée en ce que la boîte collectrice (55), qui est réalisée en vue d'être raccordée à une canalisation collectrice d'air entrant et une canalisation collectrice d'air sortant (10a 10b), comporte plusieurs paires (P) de tubulures (26a, 26b) munies chacune d'un organe (27) de fermeture, ces tubulures étant respectivement destinées à être raccordées à un conduit d'embranchement d'air entrant et un conduit d'embranchement d'air sortant, et en ce que les deux organes (27) de fermeture de chaque paire (P) de tubulures sont reliés à un dispositif d'entraînement commun (28) de fermeture permettant le réglage des deux organes de fermeture dans le même sens.
  17. Installation de ventilation selon la revendication 16, caractérisée en ce que la boîte collectrice (55) est divisée, au moyen d'une cloison (56), en une boîte (57) d'air entrant et une boîte (58) d'air sortant.
  18. Installation de ventilation selon la revendication 16, caractérisée en ce que les deux tubulures (26a, 26b) d'une paire (P) sont regroupées avec le dispositif d'entraînement commun (28) de fermeture et les organes associés (27) de fermeture, de manière à former un ensemble (59) de construction.
EP90810611A 1989-08-25 1990-08-15 Installation de ventilation Expired - Lifetime EP0414638B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH309089A CH678888A5 (en) 1989-08-25 1989-08-25 Ventilation plant with one ventilator serving each collection main
CH3090/89 1989-08-25
CH2164/90 1990-06-28
CH216490A CH682106A5 (en) 1990-06-28 1990-06-28 Ventilation plant with one ventilator serving each collection main

Publications (2)

Publication Number Publication Date
EP0414638A1 EP0414638A1 (fr) 1991-02-27
EP0414638B1 true EP0414638B1 (fr) 1993-05-12

Family

ID=25689693

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90810611A Expired - Lifetime EP0414638B1 (fr) 1989-08-25 1990-08-15 Installation de ventilation

Country Status (6)

Country Link
EP (1) EP0414638B1 (fr)
AT (1) ATE89392T1 (fr)
DE (1) DE59001429D1 (fr)
DK (1) DK0414638T3 (fr)
FI (1) FI93273C (fr)
NO (1) NO175227C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4417740A1 (de) * 1994-05-20 1995-11-23 Ebh Elektro Gmbh Vorrichtung zur Entlüftung von Räumen in mehrgeschossigen Gebäuden
DE9408347U1 (de) * 1994-05-20 1994-08-11 EBH Elektro GmbH, 08132 Mülsen St Jacob Bausatz für eine Vorrichtung zur Entlüftung von Räumen in mehrgeschossigen Gebäuden
DE19852821C2 (de) * 1997-11-17 2001-08-02 Stk Steuerungs Und Kommunikati Steuerbares Raumbe- und -entlüftungsventil
DE202004005164U1 (de) * 2004-03-30 2004-07-01 Pluggit International N.V., Curacao Luftführungssystem
NL1033689C2 (nl) * 2007-04-16 2008-12-16 Stork J E Ventilatoren Bv Werkwijze en installatie voor het ventileren van een aantal ruimten in een gebouw.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT259822B (de) * 1965-04-22 1968-02-12 Schwarz Walter Lüftungsanlage
AT324627B (de) * 1972-03-14 1975-09-10 Wasserfaller G Anlage zur zentralen entlüftüng
DE2824157A1 (de) * 1978-06-02 1979-12-06 Bau & Lufttechnik 18017 Lueftungseinrichtung fuer wohnungen mit raeumen unterschiedlicher benutzungsart

Also Published As

Publication number Publication date
NO175227C (no) 1994-09-14
NO903734D0 (no) 1990-08-24
ATE89392T1 (de) 1993-05-15
NO903734L (no) 1991-02-26
FI93273C (fi) 1995-03-10
EP0414638A1 (fr) 1991-02-27
NO175227B (fr) 1994-06-06
FI93273B (fi) 1994-11-30
DK0414638T3 (da) 1993-10-04
DE59001429D1 (de) 1993-06-17
FI904192A0 (fi) 1990-08-24

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