EP2410236A1 - Ceiling luminaire - Google Patents

Ceiling luminaire Download PDF

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Publication number
EP2410236A1
EP2410236A1 EP11173785A EP11173785A EP2410236A1 EP 2410236 A1 EP2410236 A1 EP 2410236A1 EP 11173785 A EP11173785 A EP 11173785A EP 11173785 A EP11173785 A EP 11173785A EP 2410236 A1 EP2410236 A1 EP 2410236A1
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EP
European Patent Office
Prior art keywords
housing
ceiling
acoustic
ceiling lamp
heater
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.)
Granted
Application number
EP11173785A
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German (de)
French (fr)
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EP2410236B1 (en
Inventor
Bruno Madelaine
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Bouygues Immobilier SAS
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Bouygues Immobilier SAS
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Publication of EP2410236A1 publication Critical patent/EP2410236A1/en
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Publication of EP2410236B1 publication Critical patent/EP2410236B1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/04—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures
    • F21S8/06—Lighting devices intended for fixed installation intended only for mounting on a ceiling or the like overhead structures by suspension
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
    • F21V33/0088—Ventilating systems
    • F21V33/0092—Ventilating systems with heating or cooling devices

Definitions

  • the invention relates to a ceiling lamp according to the preamble of claim 1.
  • the false ceilings mainly allow the support of the lighting, and the acoustic correction of the room, to avoid unpleasant echoes. They also hide the connections of different office components.
  • the invention has many advantages.
  • the ceiling lamp includes an acoustic corrector to meet the standards of HQE ("High Environmental Quality"), and the requirements of the report of the acoustic study office LASA (Laboratory of Application of Acoustic Sciences).
  • HQE High Environmental Quality
  • LASA Laboratory of Application of Acoustic Sciences
  • the ceiling lamp 1 mainly comprises a housing 11 intended to be fixed at a distance I from a ceiling 10 of a part 12, thanks to rods 110.
  • the room 12 includes the components of a desk, such as office furniture.
  • the housing 11 thus conventionally comprises an opening 111 on one side towards the part 12, to leave the lamp 2 visible, so that it can illuminate the part 12.
  • the acoustic veil 41 is in the form of a piece of fabric, thus enabling the acoustic waves to be absorbed.
  • An acoustic wave is essentially absorbed when it encounters a porous material, such as a fabric.
  • the fibers 42 are in the form of a mineral wool, to absorb the waves acoustic.
  • the mineral wool may for example have a thickness of 50 mm and a density of 30 kg / m 3 .
  • the housing 11 is perforated, preferably on its side facing the room 12.
  • An acoustic wave is in fact essentially absorbed when it encounters a perforated material.
  • the housing can be advantageously perforated on all sides.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Building Environments (AREA)

Abstract

The luminaire has a case (11) fixed at a distance of a ceiling (10) of a room, and a heater (3) placed in the case. An acoustic corrector (4) comprises an acoustic warp (41) and non-woven fibers (42), where the non-woven fibers are placed on a side of the case to the ceiling. The heater is placed on another side of the case to the room, and the acoustic warp is placed between the case and the heater.

Description

L'invention concerne un plafonnier selon le préambule de la revendication 1.The invention relates to a ceiling lamp according to the preamble of claim 1.

ETAT DE L'ARTSTATE OF THE ART

Les espaces de bureaux comportent en général des faux-plafonds, disposés d'une part entre le plafond, composé en général d'une dalle de béton, et d'autre part la pièce, comportant les composants des bureaux.Office spaces generally include false ceilings, arranged on the one hand between the ceiling, usually composed of a concrete slab, and on the other hand the room, comprising the components of the offices.

Les faux-plafonds permettent principalement le support de l'éclairage, et la correction acoustique de la pièce, pour éviter les échos désagréables. Ils permettent également de cacher les connexions des différents composants des bureaux.The false ceilings mainly allow the support of the lighting, and the acoustic correction of the room, to avoid unpleasant echoes. They also hide the connections of different office components.

Ils présentent cependant des inconvénients.However, they have disadvantages.

Les faux-plafonds forment une barrière entre le plafond et la pièce, de sorte que l'inertie thermique du plafond, qui permettrait de garder une pièce fraîche en été et une pièce relativement chaude en hiver, est occultée.False ceilings form a barrier between the ceiling and the room, so that the thermal inertia of the ceiling, which would keep a cool room in summer and a relatively warm room in winter, is obscured.

Il est alors nécessaire de placer un système de climatisation supplémentaire dans le faux-plafond. Or le système de climatisation est onéreux, sujet aux pannes, et peu écologique.It is then necessary to place an additional air conditioning system in the false ceiling. But the air conditioning system is expensive, subject to breakdowns, and unecological.

Il est également en général nécessaire de disposer un système de chauffage dans la pièce, encombrant et peu esthétique.It is also generally necessary to have a heating system in the room, bulky and unattractive.

PRESENTATION DE L'INVENTIONPRESENTATION OF THE INVENTION

L'invention propose de pallier au moins un de ces inconvénients.The invention proposes to overcome at least one of these disadvantages.

A cet effet, on propose selon l'invention un plafonnier selon la revendication 1.For this purpose, it is proposed according to the invention a ceiling lamp according to claim 1.

L'invention est avantageusement complétée par les caractéristiques des revendications 2 à 6, prises seules ou en une quelconque de leur combinaison techniquement possible.The invention is advantageously completed by the features of claims 2 to 6, taken alone or in any of their technically possible combination.

L'invention présente de nombreux avantages.The invention has many advantages.

Du fait de la suppression du faux-plafond, il n'y a plus de barrière entre le plafond et la pièce, de sorte que l'inertie thermique du plafond, permettant de garder une pièce fraîche en été et une pièce relativement chaude en hiver, est parfaitement disponible pour la pièce.Due to the suppression of the false ceiling, there is no longer a barrier between the ceiling and the room, so that the thermal inertia of the ceiling, to keep a room cool in summer and a relatively warm room in winter , is perfectly available for the room.

Il n'est alors plus nécessaire de disposer un système de climatisation supplémentaire dans la pièce. Le plafonnier est ainsi peu onéreux et écologique. Il répond notamment aux normes des bâtiments à énergie positive, et présente une conception bioclimatique, en utilisant notamment l'inertie thermique de la dalle de béton du plafond, qui est un système passif.It is no longer necessary to have an additional air conditioning system in the room. The ceiling light is thus inexpensive and ecological. It meets the standards of positive energy buildings, and has a bioclimatic design, using in particular the thermal inertia of the ceiling concrete slab, which is a passive system.

Il intègre un chauffage dans son boîtier, peu encombrant et esthétique.It incorporates a heater in its case, compact and aesthetic.

Le plafonnier comporte un correcteur acoustique permettant de répondre aux normes des marques HQE (« Haute Qualité Environnementale »), et aux exigences du rapport du bureau d'études acoustiques LASA (Laboratoire d'Application des Sciences Acoustiques).The ceiling lamp includes an acoustic corrector to meet the standards of HQE ("High Environmental Quality"), and the requirements of the report of the acoustic study office LASA (Laboratory of Application of Acoustic Sciences).

PRESENTATION DES FIGURESPRESENTATION OF FIGURES

D'autres caractéristiques, buts et avantages de l'invention ressortiront de la description qui suit, qui est purement illustrative et non limitative, et qui doit être lue en regard des dessins annexés sur lesquels :

  • les figures 1 et 2 représentent respectivement une vue en perspective et en coupe d'un plafonnier selon l'invention, dans une pièce ;
  • les figures 3 et 4 représentent respectivement des vues en coupes selon les lignes III-III et IV-IV de la figure 5 ;
  • la figure 5 est une vue de face d'un plafonnier selon l'invention ; et
  • la figure 6 est une vue de face d'un chauffage d'un plafonnier selon l'invention.
Other features, objects and advantages of the invention will emerge from the description which follows, which is purely illustrative and nonlimiting, and which should be read with reference to the appended drawings in which:
  • the figures 1 and 2 respectively represent a perspective view in section of a ceiling lamp according to the invention, in a room;
  • the figures 3 and 4 respectively represent sectional views along the lines III-III and IV-IV of the figure 5 ;
  • the figure 5 is a front view of a ceiling lamp according to the invention; and
  • the figure 6 is a front view of a heating of a ceiling lamp according to the invention.

Sur l'ensemble des figures, les éléments similaires portent des références numériques identiques.In all the figures, similar elements bear identical reference numerals.

DESCRIPTION DETAILLEEDETAILED DESCRIPTION

Les figures de la demande représentent schématiquement un mode de réalisation possible d'un plafonnier 1 selon l'invention.The figures of the application schematically represent a possible embodiment of a ceiling lamp 1 according to the invention.

Le plafonnier 1 comporte principalement un boîtier 11 destiné à être fixé à une distance I d'un plafond 10 d'une pièce 12, grâce à des tiges 110.The ceiling lamp 1 mainly comprises a housing 11 intended to be fixed at a distance I from a ceiling 10 of a part 12, thanks to rods 110.

Le plafond 10 est très préférentiellement composé d'une dalle de béton, ou tout autre matériau présentant une grande inertie thermique, permettant de garder une pièce fraîche en été et une pièce relativement chaude en hiver.The ceiling 10 is very preferably composed of a concrete slab, or any other material having a high thermal inertia, to keep a cool room in summer and a relatively warm room in winter.

Comme le montre plus précisément la figure 2, la pièce 12 comporte les composants d'un bureau, comme par exemple le mobilier de bureau.As shown more specifically figure 2 , the room 12 includes the components of a desk, such as office furniture.

Le plafonnier 1 comporte une lampe 2 placée dans le boîtier 11.The ceiling lamp 1 comprises a lamp 2 placed in the housing 11.

Le boîtier 11 comporte ainsi classiquement une ouverture 111 sur un côté vers la pièce 12, pour laisser apparent la lampe 2, pour qu'elle puisse éclairer la pièce 12.The housing 11 thus conventionally comprises an opening 111 on one side towards the part 12, to leave the lamp 2 visible, so that it can illuminate the part 12.

La lampe 2 peut par exemple avoir une puissance de 30 à 50 W et une illuminance de 150 à 350 lux, et répond aux normes classiques de sécurité.The lamp 2 may for example have a power of 30 to 50 W and an illuminance of 150 to 350 lux, and meets the conventional safety standards.

Le plafonnier 1 comporte en outre avantageusement un détecteur 5 multifonction, placé dans le boîtier 11, par exemple au niveau de l'ouverture 111.The ceiling lamp 1 also advantageously comprises a multi-function detector 5 placed in the housing 11, for example at the level of the opening 111.

Le détecteur 5 comporte par exemple la fonction de détection de présence, pour permettre la mise en marche et l'arrêt automatiques de la lampe 2, en fonction de la présence ou non d'un utilisateur dans la pièce 12, et/ou la fonction de détection de luminosité, pour permettre l'asservissement du niveau d'éclairement de la pièce 12 en fonction d'une consigne.The detector 5 comprises for example the presence detection function, to enable the automatic switching on and off of the lamp 2, depending on the presence or absence of a user in the room 12, and / or the function detection of brightness, to enable the control of the level of illumination of the part 12 according to a setpoint.

Le plafonnier 1 comporte en outre un correcteur acoustique 4 placé dans le boîtier 11, pour éviter les échos désagréables dans la pièce 12, notamment du fait du plafond 10 apparent.The ceiling lamp 1 further comprises an acoustic corrector 4 placed in the housing 11, to avoid unpleasant echoes in the room 12, in particular because of the ceiling 10 apparent.

La conception du correcteur 4 est connue de l'homme du métier et n'est pas décrite en détail dans la suite de la présente description. On précise simplement que le correcteur 4 acoustique est conçu pour répondre aux normes des marques HQE (« Haute Qualité Environnementale ») et aux exigences du rapport du bureau d'études acoustiques LASA (Laboratoire d'Application des Sciences Acoustiques).The design of the corrector 4 is known to those skilled in the art and is not described in detail in the remainder of this description. It is simply stated that the acoustic corrector 4 is designed to meet the standards of HQE ("High Environmental Quality") and the requirements of the report of the acoustic study office LASA (Laboratory of Application of Acoustic Sciences).

A cet effet, le correcteur 4 acoustique comporte préférentiellement un voile 41 acoustique et des fibres 42 non tissées, permettant d'absorber les ondes acoustiques.For this purpose, the acoustic corrector 4 preferably comprises an acoustic veil 41 and nonwoven fibers 42, for absorbing the acoustic waves.

De manière avantageuse, le voile 41 acoustique se présente sous la forme d'une pièce de tissu, permettant ainsi d'absorber les ondes acoustiques. Une onde acoustique est en effet essentiellement absorbée lorsqu'elle rencontre un matériau poreux, comme un tissu. Les fibres 42 se présentent sous la forme d'une laine minérale, pour absorber les ondes acoustiques. La laine minérale peut par exemple avoir une épaisseur de 50 mm et une densité de 30 kg/m3.Advantageously, the acoustic veil 41 is in the form of a piece of fabric, thus enabling the acoustic waves to be absorbed. An acoustic wave is essentially absorbed when it encounters a porous material, such as a fabric. The fibers 42 are in the form of a mineral wool, to absorb the waves acoustic. The mineral wool may for example have a thickness of 50 mm and a density of 30 kg / m 3 .

Pour encore renforcer la correction acoustique, le boîtier 11 est perforé, préférentiellement sur son côté tourné vers la pièce 12. Une onde acoustique est en effet essentiellement absorbée lorsqu'elle rencontre un matériau perforé. Le boîtier peut être avantageusement perforé sur tous ses côtés.To further enhance the acoustic correction, the housing 11 is perforated, preferably on its side facing the room 12. An acoustic wave is in fact essentially absorbed when it encounters a perforated material. The housing can be advantageously perforated on all sides.

Le tableau 1 montre les coefficients d'absorption α de Sabine du plafonnier 1, pour différentes fréquences acoustiques.Table 1 shows the Sabine α absorption coefficients of the ceiling lamp 1, for different acoustic frequencies.

De manière connue de l'homme du métier, le coefficient d'absorption α de Sabine caractérise le degré d'absorption acoustique d'un matériau pour une certaine bande, en déterminant la quantité d'énergie acoustique absorbée. A cet effet, le coefficient α de Sabine représente le rapport de l'énergie acoustique absorbée à l'énergie acoustique incidente (il ne possède pas d'unité). Le coefficient permet de comparer les performances de différents matériaux :

  • si le coefficient tend vers 1, cela signifie que la paroi du matériau a absorbé la totalité de l'énergie, et que rien n'est réfléchi , le matériau est absorbant ;
  • si le coefficient tend vers 0, cela signifie que la paroi du matériau a réfléchi la totalité de l'énergie, et que rien n'est absorbé ; le matériau est réverbérant.
Tableau 1 Fréquences (Hz) 125 250 500 1000 2000 4000 Coefficients d'absorption α Sabine 0,42 0,88 1,36 1,44 1,37 1,07 In a manner known to those skilled in the art, the absorption coefficient α Sabine characterizes the degree of sound absorption of a material for a certain band, determining the amount of acoustic energy absorbed. For this purpose, the Sabine α coefficient represents the ratio of the acoustic energy absorbed to the incident acoustic energy (it has no unit). The coefficient makes it possible to compare the performances of different materials:
  • if the coefficient tends to 1, it means that the wall of the material has absorbed all the energy, and that nothing is reflected, the material is absorbent;
  • if the coefficient tends to 0, it means that the wall of the material has reflected all the energy, and nothing is absorbed; the material is reverberant.
Table 1 Frequencies (Hz) 125 250 500 1000 2000 4000 Absorption coefficients α Sabine 0.42 0.88 1.36 1.44 1.37 1.07

Le coefficient d'absorption α Sabine pondéré du plafonnier est de 0,6.The weighted α Sabine absorption coefficient of the ceiling lamp is 0.6.

Le plafonnier 1 comporte en outre un chauffage 3 placé dans le boîtier 11.The ceiling lamp 1 further comprises a heater 3 placed in the housing 11.

Préférentiellement, le chauffage 3 comporte un circuit 31 de circulation d'eau formant une nappe radiante recouvrant la majeure partie de la surface principale du plafonnier 1, hormis bien entendu l'espace en face de l'ouverture 111, comme le montre la figure 6. Le rendement du chauffage est ainsi grandement augmenté. Le chauffage peut par exemple fournir une énergie calorifique de 150 W environ.Preferably, the heater 3 comprises a circuit 31 for circulating water forming a radiant layer covering the major part of the main surface of the ceiling lamp 1, except of course the space in front of the opening 111, as shown in FIG. figure 6 . The efficiency of the heating is thus greatly increased. The heating may for example provide a heat energy of about 150 W.

Le circuit 31 est par exemple constitué de tubes en polypropylène, par exemple en forme de U et d'environ 3 mm de diamètre intérieur, pour assurer une pression en fonctionnement de 3 bars environ.The circuit 31 is for example made of polypropylene tubes, for example U-shaped and about 3 mm internal diameter, to provide an operating pressure of about 3 bar.

Comme le montre plus précisément la figure 3, les fibres 42 sont placées d'un côté du boîtier 11 vers le plafond 10, et le chauffage 3 est placé d'un côté du boîtier 11 vers la pièce 12 à chauffer.As shown more specifically figure 3 , the fibers 42 are placed on one side of the housing 11 towards the ceiling 10, and the heater 3 is placed on one side of the housing 11 towards the part 12 to be heated.

Dans le cas avantageux où le boîtier 11 est perforé mais non uniquement dans ce cas, le voile 41 est préférentiellement placé entre le boitier 11 et le chauffage 3, pour cacher le chauffage 3 et les fibres 42. Dans ce cas également, le voile 41 est de couleur sombre, afin qu'un utilisateur ne distingue pas le voile 41 au travers des perforations du boîtier 11.In the advantageous case where the housing 11 is perforated but not only in this case, the veil 41 is preferably placed between the housing 11 and the heater 3, to hide the heater 3 and the fibers 42. In this case also, the veil 41 is dark in color, so that a user does not distinguish the veil 41 through the perforations of the housing 11.

Le système d'alimentation électrique et le système d'alimentation en eau sont placés dans le plafond 10, cachés au regard d'un utilisateur par le boîtier 11, mais faciles d'accès pour la maintenance, grâce notamment aux tiges 110.The power supply system and the water supply system are placed in the ceiling 10, concealed from the viewpoint of a user by the housing 11, but easy to access for maintenance, thanks in particular to the rods 110.

Le système d'alimentation électrique de la lampe 2 est caréné pour être étanche, pour éviter tout court-circuit en cas de fuite du circuit 31 du chauffage 3.The power supply system of the lamp 2 is streamlined to be sealed, to prevent short circuit in case of leakage of the circuit 31 of the heater 3.

Pour ne pas affecter le rendement du chauffage 3, le taux de perforation du boîtier 11 est compris entre 1% et 25%. Le diamètre des perforations est avantageusement inférieur à 2,5 mm.In order not to affect the efficiency of the heater 3, the perforation rate of the housing 11 is between 1% and 25%. The diameter of the perforations is advantageously less than 2.5 mm.

Les figures montrent à titre d'exemple des dimensions possibles pour le plafonnier. Principalement, le boîtier a par exemple pour dimensions 2m de longueur, 1 m de largeur, et 6cm d'épaisseur. La distance I est par exemple de 24cm.The figures show by way of example possible dimensions for the ceiling lamp. Mainly, the housing has for example for dimensions 2m long, 1 m wide, and 6cm thick. The distance I is for example 24cm.

Claims (6)

Plafonnier (1) comportant un boîtier (11) destiné à être fixé à une distance (I) d'un plafond (10) d'une pièce (12), comportant - une lampe (2) - un correcteur acoustique (4), et - un chauffage (3)
placés dans le boîtier (11),
le plafonnier étant caractérisé en ce que
le correcteur (4) acoustique comporte un voile (41) acoustique et des fibres (42) non tissées, et en ce que - les fibres (42) sont placées d'un côté du boîtier (11) vers le plafond (10), - le chauffage (3) est placé d'un côté du boîtier (11) vers la pièce (12), le voile (41) étant placé entre le boîtier (11) et le chauffage (3). Ceiling lamp (1) comprising a housing (11) intended to be fixed at a distance (I) from a ceiling (10) of a room (12), comprising - a lamp (2) an acoustic corrector (4), and - heating (3)
placed in the housing (11),
the ceiling lamp being characterized in that
the acoustic corrector (4) comprises an acoustic web (41) and nonwoven fibers (42), and in that the fibers (42) are placed on one side of the housing (11) towards the ceiling (10), - The heater (3) is placed from one side of the housing (11) to the workpiece (12), the web (41) being placed between the housing (11) and the heater (3). Plafonnier (1) selon la revendication 1, comportant en outre un détecteur (5) multifonction placé dans le boîtier (11).Ceiling lamp (1) according to claim 1, further comprising a detector (5) multifunction placed in the housing (11). Plafonnier (1) selon l'une des revendications 1 ou 2, dans lequel - le voile (41) acoustique se présente sous la forme d'une pièce de tissu, et - les fibres (42) se présentent sous la forme d'une laine minérale. Ceiling lamp (1) according to one of claims 1 or 2, wherein the acoustic veil (41) is in the form of a piece of fabric, and the fibers (42) are in the form of a mineral wool. Plafonnier (1) selon l'une des revendications 1 à 3, dans lequel le chauffage (3) comporte un circuit (31) de circulation d'eau formant une nappe radiante.Ceiling lamp (1) according to one of claims 1 to 3, wherein the heater (3) comprises a circuit (31) for circulating water forming a radiant layer. Plafonnier (1) selon l'une des revendications 1 à 4, dans lequel le boîtier (11) est perforé, préférentiellement sur son côté tourné vers la pièce (12).Ceiling lamp (1) according to one of claims 1 to 4, wherein the housing (11) is perforated, preferably on its side facing the part (12). Plafonnier (1) selon la revendication 5, dans lequel le taux de perforation du boîtier est compris entre 1 % et 25%.Ceiling lamp (1) according to claim 5, wherein the perforation rate of the housing is between 1% and 25%.
EP11173785.4A 2010-07-21 2011-07-13 Ceiling luminaire Not-in-force EP2410236B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1055955A FR2963082B1 (en) 2010-07-21 2010-07-21 CEILING

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EP2410236A1 true EP2410236A1 (en) 2012-01-25
EP2410236B1 EP2410236B1 (en) 2017-04-05

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FR (1) FR2963082B1 (en)

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EP2999300A1 (en) * 2014-09-18 2016-03-23 Redwell Manufaktur GmbH Light and heat radiator

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GB1180607A (en) * 1966-05-16 1970-02-04 Tranter Mfg Inc Thermal Transfer Ceiling Structure
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FR2560257A1 (en) * 1984-02-23 1985-08-30 Acoform Modular ceiling with incorporated lighting.
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EP0695837A2 (en) * 1994-07-05 1996-02-07 Schmitt, Jürgen False ceiling
EP0732460A1 (en) * 1995-03-17 1996-09-18 Daniel Kohler False ceiling for rooms
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DE102005038199A1 (en) * 2004-08-31 2006-03-02 Manfred Grimm Space e.g. roof panel of roof sail, air-conditioning device, has heating body integrated into device, where both warm and cold liquid pass through body, so that it contributes to both heating and cooling of air of space
DE102008003673A1 (en) * 2008-01-09 2009-07-16 Manfred Grimm Arrangement with lighting function and climate function
DE102008026504A1 (en) * 2008-05-26 2009-12-03 Nimbus Group Gmbh Extensive extended sound absorber board i.e. baffle, for use at ceiling of working place of office, has illumination device extended along narrow side and provided with multiple LEDs, which radiate into room

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715449A (en) * 1949-12-12 1955-08-16 Carl W Lemmerman Combined lighting and sound absorbing fixture
US3301163A (en) * 1964-07-13 1967-01-31 Pyle National Co Coffer type ventilating ceiling structure
GB1180607A (en) * 1966-05-16 1970-02-04 Tranter Mfg Inc Thermal Transfer Ceiling Structure
FR2516127A1 (en) * 1981-11-12 1983-05-13 Jcdc Suspended thermally insulating ceiling assembly - comprises panels extending between metal beams of inverted omega-shaped cross=section
FR2560257A1 (en) * 1984-02-23 1985-08-30 Acoform Modular ceiling with incorporated lighting.
DE4004210A1 (en) * 1989-03-03 1990-09-27 Adam Jakob Air-conditioning light fitting e.g. for computerised office - has housing surface projection less than effective heat transfer surface area
WO1990012257A1 (en) * 1989-04-10 1990-10-18 Halton Oy Method in and device for air-conditioning of a room
EP0695837A2 (en) * 1994-07-05 1996-02-07 Schmitt, Jürgen False ceiling
EP0732460A1 (en) * 1995-03-17 1996-09-18 Daniel Kohler False ceiling for rooms
BE1014344A5 (en) * 2000-08-18 2003-09-02 Device for fitting technical features of a volume of a local.
DE102005038199A1 (en) * 2004-08-31 2006-03-02 Manfred Grimm Space e.g. roof panel of roof sail, air-conditioning device, has heating body integrated into device, where both warm and cold liquid pass through body, so that it contributes to both heating and cooling of air of space
DE102008003673A1 (en) * 2008-01-09 2009-07-16 Manfred Grimm Arrangement with lighting function and climate function
DE102008026504A1 (en) * 2008-05-26 2009-12-03 Nimbus Group Gmbh Extensive extended sound absorber board i.e. baffle, for use at ceiling of working place of office, has illumination device extended along narrow side and provided with multiple LEDs, which radiate into room

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2999300A1 (en) * 2014-09-18 2016-03-23 Redwell Manufaktur GmbH Light and heat radiator

Also Published As

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FR2963082B1 (en) 2014-11-14
EP2410236B1 (en) 2017-04-05
FR2963082A1 (en) 2012-01-27

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