WO1994023248A1 - Dispositif de plaques a rayonnement pour plafond - Google Patents

Dispositif de plaques a rayonnement pour plafond Download PDF

Info

Publication number
WO1994023248A1
WO1994023248A1 PCT/DE1994/000345 DE9400345W WO9423248A1 WO 1994023248 A1 WO1994023248 A1 WO 1994023248A1 DE 9400345 W DE9400345 W DE 9400345W WO 9423248 A1 WO9423248 A1 WO 9423248A1
Authority
WO
WIPO (PCT)
Prior art keywords
ceiling panel
radiant ceiling
panel device
air
radiant
Prior art date
Application number
PCT/DE1994/000345
Other languages
German (de)
English (en)
Inventor
Gottfried Stettner
Original Assignee
Gottfried Stettner
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 DE4310686A external-priority patent/DE4310686A1/de
Application filed by Gottfried Stettner filed Critical Gottfried Stettner
Priority to DE59406566T priority Critical patent/DE59406566D1/de
Priority to EP94911081A priority patent/EP0690969B1/fr
Publication of WO1994023248A1 publication Critical patent/WO1994023248A1/fr

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/0233Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels
    • F28D1/024Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with air flow channels with an air driving element
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0043Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0053Indoor units, e.g. fan coil units characterised by mounting arrangements mounted at least partially below the floor; with air distribution below the floor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/12Tube and panel arrangements for ceiling, wall, or underfloor heating
    • F24D3/16Tube and panel arrangements for ceiling, wall, or underfloor heating mounted on, or adjacent to, a ceiling, wall or floor
    • F24D3/165Suspended radiant heating ceiling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/00077Indoor units, e.g. fan coil units receiving heat exchange fluid entering and leaving the unit as a liquid
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0089Systems using radiation from walls or panels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0089Systems using radiation from walls or panels
    • F24F5/0092Systems using radiation from walls or panels ceilings, e.g. cool ceilings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2221/00Details or features not otherwise provided for
    • F24F2221/14Details or features not otherwise provided for mounted on the ceiling
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the present invention relates to a radiant ceiling panel device, in particular arranged in the upper region of a room to be subjected to a temperature, with means for temperature emission, in particular with heating elements which can be exposed to a heating or cooling medium, the temperature being released primarily by radiation from the underside the radiant ceiling panel device takes place in the room to be exposed to the temperature.
  • Such ceilings are primarily used for heating large rooms, for example in workshops, sports halls, exhibition halls or the like. They can also be installed in the respective building as radiation and heat protection or for cooling. The heat radiation of such radiant ceiling panels is only converted into heat energy when they strike a body. Therefore the air temperature can be kept lower than with normal air heating.
  • the known ceiling jet devices consist of long narrow rectangular bands, within which there are heating pipe elements of a heating system which run in the longitudinal direction and are spaced apart from one another.
  • Ceiling radiant panel devices of this type are arranged in the upper area of buildings. Such radiant ceiling panel systems are energy-saving and comfortable compared to conventional heating systems for large rooms.
  • a selective increase in performance and a shifting of internal room loads with large ceiling heights is not possible.
  • the present invention has for its object to provide a compared to the prior art mentioned improved ceiling radiant panel device, the tion an output tray ⁇ ensured with simple means, by which the temperature distribution of an area is optimally determined, which has a simple structure, floating the respective Operating conditions can be adapted and ensures increased economic use and is also easy to manufacture and assemble.
  • the radiant ceiling panel device according to the invention is given by the features of claim 1.
  • Advantageous refinements and developments are the subject of the subclaims.
  • the radiant ceiling panel device according to the invention of the type mentioned above is accordingly characterized in that, on the underside of the radiant ceiling panel device, there is an air movement device spaced apart from the radiant ceiling panel device, which in addition to the radiant heat causes convection heat to be generated, which then also by means of this air moving device the room is blown.
  • the distance between the air movement device and the underside of the radiant ceiling panel device is 10 cm to 30 cm, preferably 10 to 20 cm.
  • a preferred embodiment which ensures optimal utilization of the energy circulating in the heating or cooling elements, is characterized in that at least one air flow guiding device is present, which at least in some areas flows past the air elements sucked in by the air moving device Heating or cooling elements causes and increased heat due to these areas exposed to air flowing past. Transition occurs through convection, so that a radiant ceiling panel thereby receives a higher heat (cold) emission.
  • the air flow guide device is designed such that it covers as little as possible of the downward radiating surface of the radiant ceiling panel device. This ensures ⁇ on the one hand the emission of the temperature by radiation as in the known radiant ceiling panel devices and at the same time the temperature present in the cooling or heating elements is given off to the air flowing by means of convection.
  • the air flow guide device preferably has a nozzle device which is arranged in the region of the air movement device.
  • a radially designed ceiling radiant panel device which is particularly simple in terms of its construction, and which is known to be designed as a long, narrow rectangular panel, is characterized in that, in the area of the air movement device, plate-shaped or shell-shaped guide elements are present on the underside of the longitudinal sides of the ceiling radiant panel device are. It has proven to be advantageous to fasten the air movement device with the nozzle device to the underside of the air flow guide device facing the space to be supplied.
  • the air movement device is preferably designed as a fan device, which ensures a structurally particularly simple and permanently functional structure.
  • a control device can be used which, at least depending on the installation height of the radiant ceiling panel device, the room temperature of the amount of air sucked in under the ceiling panel device or the like parameters determining the room temperature, the amount of air to be moved by the air movement device, preferably via the speed of the rotor of the fan device.
  • the use of a radiant ceiling panel device with heating elements is described below. According to the invention, however, cooling elements can also be used.
  • the combination of a radiant ceiling fan with a known radiant ceiling panel combines the advantages of the radiant ceiling panel and the air heater system, namely, on the one hand, uniform radiant heat and, on the other hand, a selective increase in output and shifting of internal room loads with large ceiling heights in the area where people stay.
  • the effect of the ceiling radiant panel device according to the invention is that an almost exclusively radiant ceiling radiant panel, through the air flow generated on the underside of the ceiling radiant panel by the air movement device, additionally generates convection heat and the heat emission is accordingly increased accordingly.
  • the combination mentioned can be used as a so-called “additive heating”, which means that it is possible to shift downward heat accumulated under high halls by internal loads into the area where people stay only when it is necessary to add "fresh heat” by opening the heating water flow through the heating elements through the radiant ceiling panel.
  • Typical of the invention Deckenstrahlplattenein ⁇ is a direction that the Deckenstrahlplattenventilatoreinrich- processing due to their throw hot air of up to 10 m high or higher rooms by blowing into the occupied zone below U not nd is used for ventilation, such as at a on the market double-shell radiant panel .
  • a particular advantage of the radiant ceiling panel device according to the invention is that a higher heat can be generated at certain points by appropriate placement of the radiant ceiling panel fan device, which is desirable and necessary in many cases.
  • Another advantage of the radiant ceiling panel device according to the invention is given by its flexibility.
  • the change in hall occupancy and the associated required point temperature increases are possible without great effort, such as, for example, the use on hall doors to shield the entry of cold air.
  • the air flow can be changed in direction and shape. Furthermore, it has proven to be advantageous to clean the air by additionally arranging a filter device in the air flow.
  • a particularly proven embodiment of the radiant ceiling panel device has an electronic control which, given the installation height, querying the room temperature in the lounge area and the air temperature drawn in under the radiant ceiling panel, varies the speed of the fan and correspondingly the penetration depth of the air jet and ensures freedom from drafts .
  • FIG. 1 shows a schematic detailed bottom view of a radiant ceiling panel device according to the invention with a ventilator device and an air flow guide device
  • FIG. Fig. 1 schematic side view of a radiant ceiling panel device according to FIG. Fig. 1
  • FIG. 3 shows a schematic cross section through a radiant ceiling panel device along the section A-A according to FIG. Fig.l and
  • FIG. 4 shows a schematic cross section through a radiant ceiling panel device along section B-B according to FIG. Fig.l.
  • the radiant ceiling panel device 10 shown schematically in the figures has a radiant ceiling panel 12 formed as an elongated rectangular panel Heating tubes trained, schematically shown Schuele ⁇ elements 14.
  • the heating elements 14 are continuously provided on the underside of the radiant ceiling panel 12 at a predetermined lateral distance from one another and are connected to a heating circuit, not shown in the figures.
  • baffles 18 protruding downward are arranged in sections opposite one another.
  • the lateral guide plates 18 are part of an air flow guide device 20 which has a nozzle device 22 connected to the underside of the guide plates 18. Seen from below, the nozzle device 22 has a square outer circumferential contour and closes with the guide plates 18 on the outside in the side edge region. In the middle of the nozzle device 22 there is a circular recess 24, the shell-shaped side wall 26 of the nozzle device 22 being designed such that it is present from the outer square circumferential contour to the recess 24 which is spaced apart from the underside of the guide plates 18 is going. In the center of the nozzle device 22, a fan device 28 is connected within the recess 24, which has a fan with three blades 30. The fastening of the fan device 28 to the radiant ceiling panel device 10 is not shown in detail.
  • the radiant ceiling panel 12 known per se primarily emits the heat via radiation into the space underneath.
  • the inventive arrangement of an air movement device, which is designed, for example, as a fan device 28, additionally achieves the dissipation of heat to the amount of air flowing past by means of convection.
  • the economic use of the known radiant ceiling panel devices can be significantly increased; in particular, temperature gradients which are required at certain points or in certain areas can be implemented within the space to be heated.
  • the embodiment shown represents an example of a radiant ceiling panel device according to the invention.
  • the invention shown opens up further constructive configurations to the person skilled in the art without this having to be inventive.
  • the design of the air flow guiding device can be implemented in a constructionally different manner than the design described in the exemplary embodiment.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Radiation-Therapy Devices (AREA)

Abstract

Dispositif de plaques à rayonnement pour plafond (10), agencé notamment dans la partie supérieure d'un local à porter à une certaine température, comprenant des moyens auxquels une température est appliquée, en particulier des éléments de chauffage ou de refroidissement (14) alimentés par un fluide de chauffage ou de refroidissement, la transmission de la température s'effectuant principalement par rayonnement à partir de la partie inférieure du dispositif (10) dans le local à porter à une certaine température, caractérisé en ce qu'il est prévu, sur la partie inférieure du dispositif (10), un système de brassage de l'air (28) monté à distance dudit dispositif de plaques à rayonnement. Grâce au dispositif selon l'invention, la transmission de chaleur s'effectue selon le procédé connu, par rayonnement, et est accrue, conformément à l'invention, par convection.
PCT/DE1994/000345 1993-04-01 1994-03-26 Dispositif de plaques a rayonnement pour plafond WO1994023248A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE59406566T DE59406566D1 (de) 1993-04-01 1994-03-26 Deckenstrahlplatteneinrichtung
EP94911081A EP0690969B1 (fr) 1993-04-01 1994-03-26 Dispositif de plaques a rayonnement pour plafond

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE9320255U DE9320255U1 (de) 1993-04-01 1993-04-01 Deckenstrahlplatteneinrichtung
DEP4310686.2 1993-04-01
DE4310686A DE4310686A1 (de) 1993-04-01 1993-04-01 Deckenstrahlplatteneinrichtung
DEG9320255.5U 1994-01-14

Publications (1)

Publication Number Publication Date
WO1994023248A1 true WO1994023248A1 (fr) 1994-10-13

Family

ID=25924569

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE1994/000345 WO1994023248A1 (fr) 1993-04-01 1994-03-26 Dispositif de plaques a rayonnement pour plafond

Country Status (4)

Country Link
EP (1) EP0690969B1 (fr)
AT (1) ATE169102T1 (fr)
DE (2) DE9320255U1 (fr)
WO (1) WO1994023248A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1431675A2 (fr) * 2002-12-13 2004-06-23 Schneider Dämmtechnik AG Dispositif pour la climatision d'un local
US20150338112A1 (en) * 2014-05-26 2015-11-26 Infosys Ltd Monolithic radiant panel and system thereof

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2749929B1 (fr) * 1996-06-13 1998-08-21 Picchiottino Andre Panneau de climatisation modulaire
DE19751986A1 (de) * 1997-11-24 1999-05-27 Michael Kas Hallenheizungssystem mit integrierter Warmluftrückführung
DE202011003725U1 (de) * 2011-03-09 2012-03-13 Maschinenfabrik Georg Kiefer Gmbh Deckensegel

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR911074A (fr) * 1944-12-28 1946-06-27 Emile Nessi Et Fils Et Bigeaul Dispositif combiné de chauffage par panneaux et de ventilation pour locaux
DE1040765B (de) * 1953-03-12 1958-10-09 Albrecht Kollmar Dr Ing Heizverfahren fuer eine Strahlungs-heizungsanlage mit Lufterhitzer und Anlage zum Durchfuehren des Verfahrens
BE896664A (nl) * 1983-05-04 1983-09-01 Lepeleire Guido De Straalpaneel samengesteld uit prefab elementen.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR911074A (fr) * 1944-12-28 1946-06-27 Emile Nessi Et Fils Et Bigeaul Dispositif combiné de chauffage par panneaux et de ventilation pour locaux
DE1040765B (de) * 1953-03-12 1958-10-09 Albrecht Kollmar Dr Ing Heizverfahren fuer eine Strahlungs-heizungsanlage mit Lufterhitzer und Anlage zum Durchfuehren des Verfahrens
BE896664A (nl) * 1983-05-04 1983-09-01 Lepeleire Guido De Straalpaneel samengesteld uit prefab elementen.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1431675A2 (fr) * 2002-12-13 2004-06-23 Schneider Dämmtechnik AG Dispositif pour la climatision d'un local
EP1431675A3 (fr) * 2002-12-13 2004-10-20 Schneider Dämmtechnik AG Dispositif pour la climatision d'un local
US20150338112A1 (en) * 2014-05-26 2015-11-26 Infosys Ltd Monolithic radiant panel and system thereof

Also Published As

Publication number Publication date
DE59406566D1 (de) 1998-09-03
EP0690969B1 (fr) 1998-07-29
EP0690969A1 (fr) 1996-01-10
DE9320255U1 (de) 1994-03-24
ATE169102T1 (de) 1998-08-15

Similar Documents

Publication Publication Date Title
EP0497296B1 (fr) Installation de filtre-ventilateur pour l'utilisation dans des salles blanches
DE102010044590A1 (de) Anordnung zur Belüftung eines Raums, insbesondere eines Laborraums
EP0457289B1 (fr) Système de conditionnement pour bâtiments à plusieurs chambres
DE10121286A1 (de) Luftführungsgehäuse
WO1994023248A1 (fr) Dispositif de plaques a rayonnement pour plafond
DE10064939C2 (de) Lufttechnische Einrichtung für einen Raum
EP1462730B1 (fr) Dispositif pour créer un rideau d'air
DE19855497B4 (de) Bodenquell-Luftkonvektor
DE19525945C2 (de) Verfahren und Vorrichtung zur Erzeugung behaglicher Raumluftzustände
DE19834269C2 (de) Ventilatorkonvektor
DE10191092B3 (de) Bausatz für einen Schaltschrank
DE4310686A1 (de) Deckenstrahlplatteneinrichtung
DE3242215A1 (de) Injektor-raumklimageraet
DE202007002361U1 (de) Lufttechnische Einrichtung
EP1431675A2 (fr) Dispositif pour la climatision d'un local
EP0893655B1 (fr) Unité de chauffage pour chauffage à air chaud pour églises
EP3477212A1 (fr) Dispositif de distribution d'air ainsi que procédé d'aération d'une pièce
AT500559A1 (de) Raumlufttechnische einrichtung
CH541120A (de) Raumheizgerät
DE202022106997U1 (de) Wärmeübertragungsvorrichtung zum Kühlen bzw. Heizen von Räumen
DE19758139A1 (de) Verfahren und Vorrichtung zur Klimatisierung eines Raumes
DE102006053355B4 (de) Heiz- und Belüftungsvorrichtung
DE10316431B4 (de) Klimaeinrichtung ausgebildet als dezentrales Gerät
DE3329365A1 (de) Verfahren zur kuehlung thermisch hochbelasteter raeume und anordnung zur durchfuehrung des verfahrens
DE2160323A1 (de) Verfahren und vorrichtung zur bildung eines luftschleiers an portalen zur abschirmung gegen aeussere klimaeinfluesse

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): CA US

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): AT BE CH DE DK ES FR GB GR IE IT LU MC NL PT SE

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
WWE Wipo information: entry into national phase

Ref document number: 1994911081

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 1994911081

Country of ref document: EP

NENP Non-entry into the national phase

Ref country code: CA

WWG Wipo information: grant in national office

Ref document number: 1994911081

Country of ref document: EP