EP2522906A1 - Chimney terminal for balanced flue and associated sealed heating device - Google Patents

Chimney terminal for balanced flue and associated sealed heating device Download PDF

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Publication number
EP2522906A1
EP2522906A1 EP12167351A EP12167351A EP2522906A1 EP 2522906 A1 EP2522906 A1 EP 2522906A1 EP 12167351 A EP12167351 A EP 12167351A EP 12167351 A EP12167351 A EP 12167351A EP 2522906 A1 EP2522906 A1 EP 2522906A1
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EP
European Patent Office
Prior art keywords
terminal
ring
clamping ring
conduit
cap
Prior art date
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Granted
Application number
EP12167351A
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German (de)
French (fr)
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EP2522906B1 (en
Inventor
Philippe Rouquier
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Engie SA
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GDF Suez SA
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Publication of EP2522906A1 publication Critical patent/EP2522906A1/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L17/00—Inducing draught; Tops for chimneys or ventilating shafts; Terminals for flues
    • F23L17/02—Tops for chimneys or ventilating shafts; Terminals for flues
    • F23L17/04—Balanced-flue arrangements, i.e. devices which combine air inlet to combustion unit with smoke outlet

Definitions

  • the invention relates to a suction terminal and an associated sealed heating device.
  • the invention finds application in the field of climatic engineering and, more particularly, residential, commercial or office heating, using the combustion of hydrocarbons, for example natural gas or domestic fuel.
  • a sealed heating device conventionally comprises a sealed boiler and a suction cup terminal.
  • a boiler is said to be “sealed” when its operation is independent of the air present in the enclosed space in which the boiler is disposed. This principle is also called “sucker”. Unlike other boilers that draw air in the enclosed space where they are located, sealed boilers draw combustion air in an area outside this space.
  • the outer zone is called the “evacuation zone” because of the properties of the zone allowing the evacuation of the products of combustion of the boiler.
  • the evacuation zone is often the exterior of a building.
  • the air supply and the evacuation of the products of combustion of the boiler are ensured by two conduits, most often concentric: the external duct guarantees the supply of air necessary for the combustion, the interior duct being used for the evacuation of combustion products.
  • terminals There are two kinds of terminals: horizontal terminals and vertical terminals.
  • a vertical terminal is arranged so that its axis is substantially vertical, for example, on the roof of a building.
  • a horizontal terminal connects the boiler to the evacuation zone through a vertical separating element, for example a wall traversed by an opening practiced by coring. Terminals of this type are experiencing a decrease in investment in the French market, mainly because of two technical problems.
  • the horizontal suction cup terminals can degrade a wall of the separating element disposed in the exhaust zone on the combustion products rejection side.
  • the rapid cooling of the combustion products forms condensates that can deposit or run off along the wall of the separating element.
  • the suction cup terminals are not aesthetically adapted to be arranged on the facade of buildings. Indeed, the visual appearance of the horizontal suction terminals and the presence of a plume are reasons for lack of interest for horizontal suction terminals.
  • the heat loss induced by the outer conduit through the separating element can cause a thermal bridge and degrade the energy performance of the enclosed space in which the boiler is arranged.
  • the present invention provides a suction cup terminal to overcome all or part of the aforementioned drawbacks.
  • the sucker terminal object of the invention projects the products of combustion away from the separating element, which reduces the risk of fouling.
  • the circular cap improves the aesthetic appearance of the suction cup terminal, especially when it is arranged on the facade of a building.
  • the shade of the hat can be adapted with the color of the building facade.
  • a turbulator is a suitably shaped element inserted into the tubing of a duct to increase turbulence of the flow and increase the efficiency of heat exchange. This provision improves the heat exchange coefficient of the terminal. In addition, the turbulent combustion products leaving the terminal mix more quickly with the ambient air than if they were in laminar flow. The risk of clogging of the wall and the plume are thus reduced.
  • the suction cup terminal can be sealed in an opening of the separating element with a suitable adhesive mortar.
  • the turbulator follows a helical disposition. In the case of a sealed boiler connected to the terminal, this arrangement allows an optimization of the condensation of the water vapor contained in the fumes.
  • a clamping ring concentrically accommodating around the outer conduit is secured to a wall of the separating member in the enclosed space. This arrangement improves the maintenance of the horizontal suction cup terminal.
  • the clamping ring is screwed onto the outer conduit. According to this arrangement, the terminal and installed from the evacuation zone and then tightening is performed inside the enclosed space.
  • the clamping ring is forcibly mounted on the outer conduit.
  • the mounting force can be achieved by adjustment, jamming or a conical ring.
  • the clamping ring is locked by a bayonet system.
  • the clamping ring compresses a flat seal between the attachment ring and the wall of the separating member in the enclosed space. This arrangement ensures the sealing of the terminal.
  • the clamping ring compresses a sleeve disposed around the outer conduit between the attachment ring and the clamping ring. This arrangement ensures a better seal of the terminal, especially along the outer conduit. This arrangement also makes it possible to eliminate the thermal bridge effect of the suction pad terminals of the prior art.
  • the sleeve is made of resilient material. Resilient materials are known to be able to deform and then resume their original form. This arrangement allows a good positioning of the sleeve after the establishment of the terminal.
  • the sleeve is held by a washer.
  • the washer that holds the sleeve allows to set up the terminal from the closed space.
  • the circular cap and the fixing ring are made of resilient materials. Thus, the cap and the ring are deformed by crossing the opening of the separating element so that the terminal can be mounted from the enclosed space.
  • the hat and the ring When the hat and the ring are out of the opening, they find their original shape.
  • the washer is then positioned to stiffen the sleeve.
  • the diameter of the washer corresponds to the diameter of the coring made in the separating element.
  • the sleeve is then put in place and tightening is done by the clamping ring. The maintenance is then ensured by the action in compression of the sleeve.
  • the fastening ring, partition and cap form a single piece.
  • the monobloc definition does not preclude prior assembly for technical reasons.
  • the invention relates to a sealed heating device comprising a suction pad terminal according to the invention.
  • the figures are not to scale.
  • the figure 1 shows a heating device 20 disposed in an enclosed space 18, for example of the kitchen, bathroom or garage type.
  • the heating device 20 comprises a boiler 22 sealed.
  • An outer conduit 23 connects the boiler 22 to an evacuation zone 19 by passing through a separating element 21.
  • the evacuation zone 19 may simply be the exterior of a building and the separating element 21 may thus correspond to a wall.
  • the separating element 21 is, indifferently, called "wall".
  • the figure 1 shows a suction terminal 25, here horizontal, connected, on the one hand, to the evacuation zone 19 and, on the other hand, to the boiler 22, via an exhaust duct 23 provided, Here, a bend 26.
  • the bend 26 is, however, not necessary when the boiler 22 has a side outlet towards the discharge area 19.
  • the terminal 25 can be connected to the boiler 22 with a more complex pipe architecture than a simple bend 26.
  • the terminal 25 is, in the evacuation zone 19, pressed against the wall 24 of the wall 21.
  • the figures 2 , 3 and 4 illustrate a particular embodiment of the terminal 25.
  • the outer conduit 23 contains an inner conduit 27 adapted to drive the combustion products of the boiler 22 to the discharge zone 19.
  • the outer conduit 23 is arranged concentrically around the inner conduit 27 at least at the end of these ducts which open into the evacuation zone 19.
  • the inner duct 27 projects from the external duct 23 into the evacuation zone 19.
  • the terminal 25 comprises a fixing ring 36, concentrically adapting to the end of the outer conduit 23 and being able to be fixed on the wall 24 of the wall 21.
  • the terminal 25 also comprises a circular cap 33 fitting, of a side, concentrically at the end of the outer conduit 23 and, on the other side, concentrically to the inner conduit 27.
  • the cap 33 has a central opening 41 which allows to connect the interior of the conduit 27 with the outside of the terminal, and for example with the outside air. This opening 41 thus allows the evacuation of combustion products at a distance from the separating element, which notably reduces the risk of fouling.
  • Openings 34 for example rectangular, are arranged regularly in a cylindrical partition 35 located between the fixing ring 36 and the cap 33. The openings 34 make it possible to arrange an inlet for air 38 flowing in the spacing 29 between the outer conduit 23 and the inner conduit 27. It is noted that the spacing 29 may contain an exchanger (not shown) to promote the heat exchange between the combustion air and the combustion products.
  • the terminal 25 may be sealed in an opening formed by coring in the wall 21, with a suitable adhesive mortar.
  • the fixing ring 36, the partition 35 and the circular cap 33 form, in the embodiment described, a single piece "monobloc".
  • the monobloc definition does not preclude prior assembly for technical reasons.
  • the circular cap 33 improves the aesthetic appearance of the terminal 25, especially when it is arranged on the facade of a building (no represented) as is the case on the figure 3 . Indeed, the shade of the cap 33 can then be adapted to the color of the facade of the building.
  • a turbulator 28 is preferably housed in the inner conduit 27 to improve the heat exchange coefficient and thus to improve the efficiency of the boiler 22.
  • the turbulator 28 follows, in the embodiment shown, a helical arrangement allowing optimization of the diffusion of combustion products into the atmosphere via the central aperture 41 of the cap 33.
  • the turbulator 28 follows, in the embodiment shown, a helical disposition allowing an optimization of the dilution 32 of the products of combustion in the atmosphere via the central opening 41 of the cap 33.
  • the figure 5 illustrates an embodiment in which the terminal 25 comprises a clamping ring 40 concentrically adapting to the outer conduit 23.
  • the clamping ring 40 is fixed on a wall wall 21 located in the space 18 containing the boiler 22. This provision improves the maintenance of the terminal 25.
  • connection between the clamping ring 40 and the outer conduit 23 may be of the screw and nut type. According to this arrangement, the terminal 25 is installed from the evacuation zone 19. Then the tightening is performed by a user inside the space 18 containing the boiler 22.
  • the clamping ring 40 can also be mounted in force on the outer conduit 23.
  • the force mounting can be achieved by adjustment, wedging or by a conical ring.
  • the clamping ring 40 can also be locked by a bayonet system.
  • the figure 6 illustrates an embodiment in which the terminal 25 has a flat gasket 42 between the wall 24 and the fixing ring 36. This arrangement ensures the sealing of the terminal 25.
  • the figure 7 illustrates an embodiment in which the terminal 25 comprises a sleeve 44 disposed around the outer conduit 23 between the fixing ring 36 and the clamping ring 40. This arrangement ensures a better seal of the terminal 25, in particular along the outer conduit 23.
  • the sleeve 44 may be made of resilient material. This arrangement allows a good positioning of the sleeve 44 after the establishment of the terminal 25.
  • the figure 8 illustrates an embodiment in which the sleeve 44 is held by a washer 46.
  • the washer 46 holding the sleeve 44 allows to set up the terminal 25 from the enclosed space 18 containing the boiler 22.
  • the circular cap 33 and the fixing ring 36 are made of resilient materials. Thus, the cap 33 and the ring 36 are deformed by crossing the opening of the wall 21 so that the terminal 25 is mounted from the space 18 containing the boiler 22.
  • the washer 46 is then positioned to stiffen the sleeve 44.
  • the diameter of the washer 46 corresponds to the diameter of the core made in the wall 21 to form the opening used.
  • the sleeve 44 is then put in place and the tightening is done by the clamping ring 40. The maintenance is then ensured by the action in compression of the sleeve 44.
  • FIGS. 9 and 10 show two examples of turbulator 28 adapted to be arranged in the inner conduit 27.
  • Shape variations 47, present on the turbulator 28, induce turbulence of the flow in the inner conduit 27.
  • a turbulator 28 is preferably disposed of end of the inner conduit 27 to facilitate the entry into the atmosphere of the emanations exiting the inner conduit 27.
  • the figure 11 shows a turbulator 28 having geometric variations 47 of generally helical shape.
  • a turbulator 28 of this type is preferably disposed in the inner conduit 27 in the vicinity from its exit to the evacuation zone 19. The propeller then creates a vortex vortex.

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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)
  • Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)

Abstract

The terminal (25) has a terminal end including a fixing ring (36) secured to an outer pipe (23). A cap (33) is provided with a central opening connected to an end of an inner pipe (27). A partition wall (35) connects the ring with the cap. The partition wall comprises orifices (34) allowing passage of air (38) between the outer pipe and the inner pipe. A turbulator (28) creates turbulence in gas e.g. natural gas, at an outlet of the terminal, and is accommodated inside the inner pipe. The ring, the partition wall and the cap form a monobloc single piece.

Description

DOMAINE TECHNIQUE DE L'INVENTIONTECHNICAL FIELD OF THE INVENTION

L'invention concerne un terminal de ventouse et un dispositif de chauffage étanche associé.The invention relates to a suction terminal and an associated sealed heating device.

L'invention trouve une application dans le domaine du génie climatique et, plus particulièrement du chauffage résidentiel, commercial ou de bureau, utilisant la combustion d'hydrocarbures, par exemple gaz naturel ou fuel domestique.The invention finds application in the field of climatic engineering and, more particularly, residential, commercial or office heating, using the combustion of hydrocarbons, for example natural gas or domestic fuel.

ETAT DE LA TECHNIQUESTATE OF THE ART

Un dispositif de chauffage étanche comporte classiquement une chaudière étanche et un terminal de ventouse.A sealed heating device conventionally comprises a sealed boiler and a suction cup terminal.

Une chaudière est dite « étanche » lorsque son fonctionnement est indépendant de l'air présent dans l'espace clos dans lequel la chaudière est disposée. Ce principe est également appelé « ventouse ». Contrairement aux autres chaudières qui puisent l'air dans l'espace clos où elles se trouvent, les chaudières étanches puisent l'air comburant dans une zone extérieure à cet espace. La zone extérieure est appelée « zone d'évacuation » en raison des propriétés de la zone permettant l'évacuation des produits de combustion de la chaudière. La zone d'évacuation est souvent l'extérieur d'un bâtiment.A boiler is said to be "sealed" when its operation is independent of the air present in the enclosed space in which the boiler is disposed. This principle is also called "sucker". Unlike other boilers that draw air in the enclosed space where they are located, sealed boilers draw combustion air in an area outside this space. The outer zone is called the "evacuation zone" because of the properties of the zone allowing the evacuation of the products of combustion of the boiler. The evacuation zone is often the exterior of a building.

L'arrivée d'air et l'évacuation des produits de combustion de la chaudière sont assurées par deux conduits, le plus souvent concentriques : le conduit extérieur garantit l'apport d'air nécessaire à la combustion, le conduit intérieur étant utilisé pour l'évacuation des produits de combustion.The air supply and the evacuation of the products of combustion of the boiler are ensured by two conduits, most often concentric: the external duct guarantees the supply of air necessary for the combustion, the interior duct being used for the evacuation of combustion products.

II existe deux sortes de terminaux : les terminaux horizontaux et les terminaux verticaux. Un terminal vertical est disposé pour que son axe soit sensiblement vertical, par exemple, sur le toit d'un bâtiment. Un terminal horizontal relie la chaudière à la zone d'évacuation en traversant un élément de séparation vertical, par exemple un mur traversé par une ouverture pratiquée par carottage. Les terminaux de ce type connaissent une diminution de placement sur le marché français, principalement en raison de deux problèmes techniques.There are two kinds of terminals: horizontal terminals and vertical terminals. A vertical terminal is arranged so that its axis is substantially vertical, for example, on the roof of a building. A horizontal terminal connects the boiler to the evacuation zone through a vertical separating element, for example a wall traversed by an opening practiced by coring. Terminals of this type are experiencing a decrease in investment in the French market, mainly because of two technical problems.

Premièrement, les terminaux de ventouse horizontaux peuvent dégrader une paroi de l'élément de séparation disposée dans la zone d'évacuation du côté du rejet des produits de combustion. En effet, le refroidissement rapide des produits de combustion forme des condensats pouvant se déposer ou ruisseler le long de la paroi de l'élément de séparation.First, the horizontal suction cup terminals can degrade a wall of the separating element disposed in the exhaust zone on the combustion products rejection side. In fact, the rapid cooling of the combustion products forms condensates that can deposit or run off along the wall of the separating element.

Deuxièmement, les terminaux de ventouse ne sont pas adaptés esthétiquement pour être disposés sur la façade des bâtiments. En effet, l'aspect visuel des terminaux de ventouse horizontaux ainsi que la présence d'un panache sont des motifs de désintérêt pour les terminaux de ventouse horizontaux.Secondly, the suction cup terminals are not aesthetically adapted to be arranged on the facade of buildings. Indeed, the visual appearance of the horizontal suction terminals and the presence of a plume are reasons for lack of interest for horizontal suction terminals.

En outre, la déperdition thermique induite par le conduit extérieur traversant l'élément de séparation peut provoquer un pont thermique et dégrader les performances énergétiques de l'espace clos dans lequel est disposée la chaudière.In addition, the heat loss induced by the outer conduit through the separating element can cause a thermal bridge and degrade the energy performance of the enclosed space in which the boiler is arranged.

OBJET DE L'INVENTIONOBJECT OF THE INVENTION

La présente invention propose un terminal de ventouse permettant de remédier à tout ou partie des inconvénients précités.The present invention provides a suction cup terminal to overcome all or part of the aforementioned drawbacks.

A cet effet, selon un premier aspect, la présente invention vise un terminal de ventouse destiné à relier un espace clos à une zone d'évacuation en traversant un élément de séparation, le terminal assurant une arrivée d'air et une évacuation par deux conduits concentriques, un conduit extérieur et un conduit intérieur, une extrémité du conduit intérieur dépassant à l'extérieur du conduit extérieur à une extrémité comprise dans la zone d'évacuation, dans lequel l'extrémité du terminal comporte :

  • un anneau de fixation adapté à être solidarisé au conduit extérieur,
  • un chapeau comportant une ouverture centrale, adapté à être solidarisé à ladite extrémité du conduit intérieur,
  • une cloison reliant l'anneau de fixation au chapeau et comportant des ouvertures adaptées à laisser passer de l'air entre le conduit extérieur et le conduit intérieur et
  • un turbulateur adapté à provoquer des turbulences dans les gaz en sortie du terminal, logé dans le conduit intérieur.
For this purpose, according to a first aspect, the present invention is directed to a suction cup terminal intended to connect an enclosed space to an evacuation zone by passing through a separation element, the terminal providing an air supply and an evacuation via two ducts. concentric, an outer conduit and an inner conduit, an end of the inner conduit protruding outside the outer conduit at an end within the discharge zone, wherein the end of the terminal comprises:
  • a fixing ring adapted to be secured to the outer conduit,
  • a hat with a central opening, adapted to be secured to said end of the inner duct,
  • a partition connecting the fixing ring to the cap and having openings adapted to let air pass between the outer conduit and the inner conduit and
  • a turbulator adapted to cause turbulence in the gas output of the terminal, housed in the inner conduit.

Le terminal de ventouse objet de l'invention projette les produits de la combustion à distance de l'élément de séparation, ce qui réduit les risques d'encrassement.The sucker terminal object of the invention projects the products of combustion away from the separating element, which reduces the risk of fouling.

Le chapeau circulaire permet d'améliorer l'aspect esthétique du terminal de ventouse, notamment lorsqu'il est disposé sur la façade d'un bâtiment. De plus, la teinte du chapeau peut être adaptée avec la couleur de la façade du bâtiment.The circular cap improves the aesthetic appearance of the suction cup terminal, especially when it is arranged on the facade of a building. In addition, the shade of the hat can be adapted with the color of the building facade.

Un turbulateur est un élément de forme appropriée inséré dans la tubulure d'un conduit pour accroître la turbulence de l'écoulement et augmenter l'efficacité des échanges thermiques. Cette disposition permet d'améliorer le coefficient d'échange thermique du terminal. De plus, les produits de combustion turbulents sortant du terminal se mélangent plus rapidement avec l'air ambiant que s'ils étaient en écoulement laminaire. Les risques d'encrassement du mur et le panache sont ainsi réduits.A turbulator is a suitably shaped element inserted into the tubing of a duct to increase turbulence of the flow and increase the efficiency of heat exchange. This provision improves the heat exchange coefficient of the terminal. In addition, the turbulent combustion products leaving the terminal mix more quickly with the ambient air than if they were in laminar flow. The risk of clogging of the wall and the plume are thus reduced.

Le terminal de ventouse peut être scellé dans une ouverture de l'élément de séparation avec un mortier colle adapté.The suction cup terminal can be sealed in an opening of the separating element with a suitable adhesive mortar.

Dans des modes de réalisation, le turbulateur suit une disposition hélicoïdale. Dans le cas d'une chaudière étanche relié au terminal, cette disposition permet une optimisation de la condensation de la vapeur d'eau contenue dans les fumées.In embodiments, the turbulator follows a helical disposition. In the case of a sealed boiler connected to the terminal, this arrangement allows an optimization of the condensation of the water vapor contained in the fumes.

Dans des modes de réalisation, une bague de serrage s'adaptant concentriquement autour du conduit extérieur est fixée sur une paroi de l'élément de séparation située dans l'espace clos. Cette disposition améliore le maintien du terminal de ventouse horizontal.In embodiments, a clamping ring concentrically accommodating around the outer conduit is secured to a wall of the separating member in the enclosed space. This arrangement improves the maintenance of the horizontal suction cup terminal.

Dans des modes de réalisation, la bague de serrage est vissée sur le conduit extérieur. Selon cette disposition, le terminal et installé depuis la zone d'évacuation puis le serrage est effectué à l'intérieur de l'espace clos.In embodiments, the clamping ring is screwed onto the outer conduit. According to this arrangement, the terminal and installed from the evacuation zone and then tightening is performed inside the enclosed space.

Dans des modes de réalisation, la bague de serrage est montée en force sur le conduit extérieur. Le montage en force peut être réalisé par ajustement, coincement ou par une bague conique.In embodiments, the clamping ring is forcibly mounted on the outer conduit. The mounting force can be achieved by adjustment, jamming or a conical ring.

Dans des modes de réalisation, la bague de serrage est bloquée par un système de baïonnettes.In embodiments, the clamping ring is locked by a bayonet system.

Dans des modes de réalisation, la bague de serrage compresse un joint plat entre l'anneau de fixation et la paroi de l'élément de séparation située dans l'espace clos. Cette disposition assure l'étanchéité du terminal.In embodiments, the clamping ring compresses a flat seal between the attachment ring and the wall of the separating member in the enclosed space. This arrangement ensures the sealing of the terminal.

Dans des modes de réalisation, la bague de serrage compresse un manchon disposé autour du conduit extérieur entre l'anneau de fixation et la bague de serrage. Cette disposition assure une meilleure étanchéité du terminal, notamment le long du conduit extérieur. Cette disposition permet aussi d'éliminer l'effet de pont thermique des terminaux de ventouse de l'art antérieur.In embodiments, the clamping ring compresses a sleeve disposed around the outer conduit between the attachment ring and the clamping ring. This arrangement ensures a better seal of the terminal, especially along the outer conduit. This arrangement also makes it possible to eliminate the thermal bridge effect of the suction pad terminals of the prior art.

Dans des modes de réalisation, le manchon est réalisé en matériau résilient. Les matériaux résilients sont connus pour pouvoir se déformer et reprendre ensuite leur forme originelle. Cette disposition permet un bon positionnement du manchon après la mis en place du terminal.In embodiments, the sleeve is made of resilient material. Resilient materials are known to be able to deform and then resume their original form. This arrangement allows a good positioning of the sleeve after the establishment of the terminal.

Dans des modes de réalisation, le manchon est maintenu par une rondelle. La rondelle qui maintient le manchon permet de mettre en place le terminal depuis l'espace clos. A cet effet, le chapeau circulaire et l'anneau de fixation sont réalisés en matériaux résilients. Ainsi, le chapeau et l'anneau se déforment en traversant l'ouverture de l'élément de séparation afin que le terminal puisse être monté à partir de l'espace clos.In embodiments, the sleeve is held by a washer. The washer that holds the sleeve allows to set up the terminal from the closed space. For this purpose, the circular cap and the fixing ring are made of resilient materials. Thus, the cap and the ring are deformed by crossing the opening of the separating element so that the terminal can be mounted from the enclosed space.

Lorsque le chapeau et l'anneau sont sortis de l'ouverture, ils retrouvent leur forme originelle. La rondelle est ensuite positionnée afin de rigidifier le manchon. Le diamètre de la rondelle correspond au diamètre du carottage réalisé dans l'élément de séparation. Le manchon est ensuite mis en place et le serrage est effectué par la bague de serrage. Le maintien est alors assuré par l'action en compression du manchon.When the hat and the ring are out of the opening, they find their original shape. The washer is then positioned to stiffen the sleeve. The diameter of the washer corresponds to the diameter of the coring made in the separating element. The sleeve is then put in place and tightening is done by the clamping ring. The maintenance is then ensured by the action in compression of the sleeve.

Dans des modes de réalisation, l'anneau de fixation, la cloison et le chapeau forment une seule pièce monobloc. La définition de monobloc n'exclut pas un montage préalable pour des raisons techniques.In embodiments, the fastening ring, partition and cap form a single piece. The monobloc definition does not preclude prior assembly for technical reasons.

Selon un deuxième aspect, l'invention concerne un dispositif de chauffage étanche comportant un terminal de ventouse selon l'invention.According to a second aspect, the invention relates to a sealed heating device comprising a suction pad terminal according to the invention.

BREVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

D'autres avantages, buts et caractéristiques particulières de la présente invention apparaîtront à la lecture de la description qui va suivre faite, dans un but explicatif et nullement limitatif, en regard des dessins annexés, dans lesquels :

  • la figure 1 est une représentation schématique d'un dispositif de chauffage selon un mode de réalisation particulier de l'invention ;
  • la figure 2 est une représentation schématique de l'extrémité du terminal de l'invention suivant une vue de coté ;
  • la figure 3 est une représentation schématique de l'extrémité du terminal de l'invention suivant un angle de vue différent de celui de la figure 2;
  • la figure 4 est une représentation schématique de l'extrémité du terminal de l'invention une fois mis en place dans un élément de séparation ;
  • la figure 5 est une représentation schématique de l'extrémité du terminal de l'invention muni d'une bague de serrage ;
  • la figure 6 est une représentation schématique de l'extrémité du terminal de l'invention muni d'un joint ;
  • la figure 7 est une représentation schématique de l'extrémité du terminal de l'invention muni d'un manchon d'étanchéité ;
  • la figure 8 est une représentation schématique de l'extrémité du terminal de l'invention muni d'une rondelle de maintien du manchon ;
  • la figure 9 est une représentation schématique d'un premier exemple de turbulateur ;
  • la figure 10 est une représentation schématique d'un deuxième exemple de turbulateur et
  • la figure 11 est une représentation schématique d'un troisième exemple de turbulateur.
Other advantages, aims and particular characteristics of the present invention will appear on reading the description which follows, for an explanatory and non-limiting purpose, with reference to the appended drawings, in which:
  • the figure 1 is a schematic representation of a heating device according to a particular embodiment of the invention;
  • the figure 2 is a schematic representation of the end of the terminal of the invention in a side view;
  • the figure 3 is a schematic representation of the end of the terminal of the invention from a different angle of view than that of the figure 2 ;
  • the figure 4 is a schematic representation of the end of the terminal of the invention once set up in a separating element;
  • the figure 5 is a schematic representation of the end of the terminal of the invention provided with a clamping ring;
  • the figure 6 is a schematic representation of the end of the terminal of the invention provided with a seal;
  • the figure 7 is a schematic representation of the end of the terminal of the invention provided with a sealing sleeve;
  • the figure 8 is a schematic representation of the end of the terminal of the invention provided with a washer for holding the sleeve;
  • the figure 9 is a schematic representation of a first example of a turbulator;
  • the figure 10 is a schematic representation of a second example of turbulator and
  • the figure 11 is a schematic representation of a third example of a turbulator.

Les éléments identiques, similaires ou analogues, conservent les mêmes références d'une figure à l'autre.Identical elements, similar or similar, retain the same references from one figure to another.

DESCRIPTION D'EXEMPLES DE REALISATION DEDESCRIPTION OF EXEMPLARY EMBODIMENTS L'INVENTIONTHE INVENTION

Les figures ne sont pas à l'échelle. La figure 1 montre un dispositif de chauffage 20 disposé dans un espace 18 clos, par exemple de type cuisine, salle de bain ou garage. Le dispositif de chauffage 20 comporte une chaudière 22 étanche. Cependant, les applications de la présente invention ne se limitent pas à ce type d'appareil. Un conduit extérieur 23 relie la chaudière 22 à une zone d'évacuation 19 en traversant un élément de séparation 21. La zone d'évacuation 19 peut être simplement l'extérieur d'un bâtiment et l'élément de séparation 21 peut ainsi correspondre à un mur. Dans la suite de la description, l'élément de séparation 21 est, indifféremment, appelé « mur ».The figures are not to scale. The figure 1 shows a heating device 20 disposed in an enclosed space 18, for example of the kitchen, bathroom or garage type. The heating device 20 comprises a boiler 22 sealed. However, the applications of the present invention are not limited to this type of apparatus. An outer conduit 23 connects the boiler 22 to an evacuation zone 19 by passing through a separating element 21. The evacuation zone 19 may simply be the exterior of a building and the separating element 21 may thus correspond to a wall. In the rest of the description, the separating element 21 is, indifferently, called "wall".

La figure 1 montre un terminal 25 de ventouse, ici horizontal, relié, d'une part, à la zone d'évacuation 19 et, d'autre part, à la chaudière 22, par l'intermédiaire d'un conduit d'évacuation 23 muni, ici, d'un coude 26. Le coude 26 n'est, cependant, pas nécessaire lorsque la chaudière 22 présente une sortie de coté en direction de la zone d'évacuation 19. Inversement, en fonction de la position de la chaudière 22 et de l'environnement de l'espace 18 clos, le terminal 25 peut être relié à la chaudière 22 avec une architecture de tuyau plus complexe qu'un simple coude 26.The figure 1 shows a suction terminal 25, here horizontal, connected, on the one hand, to the evacuation zone 19 and, on the other hand, to the boiler 22, via an exhaust duct 23 provided, Here, a bend 26. The bend 26 is, however, not necessary when the boiler 22 has a side outlet towards the discharge area 19. Conversely, depending on the position of the boiler 22 and from the environment of the closed space 18, the terminal 25 can be connected to the boiler 22 with a more complex pipe architecture than a simple bend 26.

Le terminal 25 est, dans la zone d'évacuation 19, plaqué contre la paroi 24 du mur 21.The terminal 25 is, in the evacuation zone 19, pressed against the wall 24 of the wall 21.

Les figures 2, 3 et 4 illustrent un mode de réalisation particulier du terminal 25. Le conduit extérieur 23 contient un conduit intérieur 27 apte à conduire les produits de combustion de la chaudière 22 vers la zone d'évacuation 19. Le conduit extérieur 23 est disposé concentriquement autour du conduit intérieur 27, au moins à l'extrémité de ces conduits qui débouchent dans la zone d'évacuation 19. Le conduit intérieur 27 dépasse du conduit extérieur 23, dans la zone d'évacuation 19.The figures 2 , 3 and 4 illustrate a particular embodiment of the terminal 25. The outer conduit 23 contains an inner conduit 27 adapted to drive the combustion products of the boiler 22 to the discharge zone 19. The outer conduit 23 is arranged concentrically around the inner conduit 27 at least at the end of these ducts which open into the evacuation zone 19. The inner duct 27 projects from the external duct 23 into the evacuation zone 19.

Le terminal 25 comporte un anneau de fixation 36, s'adaptant concentriquement à l'extrémité du conduit extérieur 23 et pouvant être fixé sur la paroi 24 du mur 21. Le terminal 25 comporte également un chapeau 33 circulaire s'adaptant, d'un coté, concentriquement à l'extrémité du conduit extérieur 23 et, de l'autre coté, concentriquement au conduit intérieur 27. Le chapeau 33 comporte une ouverture 41 centrale qui permet de mettre en relation l'intérieur du conduit 27 avec l'extérieur du terminal, et par exemple avec l'air extérieur. Cette ouverture 41 permet ainsi l'évacuation des produits de la combustion à distance de l'élément de séparation, ce qui réduit notamment les risques d'encrassement. Des ouvertures 34, par exemple rectangulaires, sont disposées régulièrement dans une cloison 35 cylindrique située entre l'anneau de fixation 36 et le chapeau 33. Les ouvertures 34 permettent d'aménager une arrivée pour de l'air 38 circulant dans l'espacement 29 entre le conduit extérieur 23 et le conduit intérieur 27. On note que l'espacement 29 peut contenir un échangeur (non représenté) pour favoriser l'échange thermique entre l'air comburant et les produits de combustion.The terminal 25 comprises a fixing ring 36, concentrically adapting to the end of the outer conduit 23 and being able to be fixed on the wall 24 of the wall 21. The terminal 25 also comprises a circular cap 33 fitting, of a side, concentrically at the end of the outer conduit 23 and, on the other side, concentrically to the inner conduit 27. The cap 33 has a central opening 41 which allows to connect the interior of the conduit 27 with the outside of the terminal, and for example with the outside air. This opening 41 thus allows the evacuation of combustion products at a distance from the separating element, which notably reduces the risk of fouling. Openings 34, for example rectangular, are arranged regularly in a cylindrical partition 35 located between the fixing ring 36 and the cap 33. The openings 34 make it possible to arrange an inlet for air 38 flowing in the spacing 29 between the outer conduit 23 and the inner conduit 27. It is noted that the spacing 29 may contain an exchanger (not shown) to promote the heat exchange between the combustion air and the combustion products.

Le terminal 25 peut être scellé dans une ouverture formée par carottage dans le mur 21, avec un mortier colle adapté. L'anneau de fixation 36, la cloison 35 et le chapeau circulaire 33 forment, dans le mode de réalisation décrit, une seule pièce « monobloc ». La définition de monobloc n'exclut pas un montage préalable pour des raisons techniques.The terminal 25 may be sealed in an opening formed by coring in the wall 21, with a suitable adhesive mortar. The fixing ring 36, the partition 35 and the circular cap 33 form, in the embodiment described, a single piece "monobloc". The monobloc definition does not preclude prior assembly for technical reasons.

Le chapeau circulaire 33 permet d'améliorer l'aspect esthétique du terminal 25, notamment lorsqu'il est disposé sur la façade d'un bâtiment (non représenté) comme c'est le cas sur la figure 3. En effet, la teinte du chapeau 33 peut alors être adaptée à la couleur de la façade du bâtiment.The circular cap 33 improves the aesthetic appearance of the terminal 25, especially when it is arranged on the facade of a building (no represented) as is the case on the figure 3 . Indeed, the shade of the cap 33 can then be adapted to the color of the facade of the building.

Un turbulateur 28 est préférentiellement logé dans le conduit intérieur 27 pour améliorer le coefficient d'échange thermique et donc pour améliorer le rendement de la chaudière 22. Le turbulateur 28 suit, dans le mode de réalisation représenté, une disposition hélicoïdale permettant une optimisation de la diffusion des produits de combustion dans l'atmosphère via l'ouverture 41 centrale du chapeau 33.A turbulator 28 is preferably housed in the inner conduit 27 to improve the heat exchange coefficient and thus to improve the efficiency of the boiler 22. The turbulator 28 follows, in the embodiment shown, a helical arrangement allowing optimization of the diffusion of combustion products into the atmosphere via the central aperture 41 of the cap 33.

Le turbulateur 28 suit, dans le mode de réalisation représenté, une disposition hélicoïdale permettant une optimisation de la dilution 32 des produits de combustion dans l'atmosphère via l'ouverture 41 centrale du chapeau 33.The turbulator 28 follows, in the embodiment shown, a helical disposition allowing an optimization of the dilution 32 of the products of combustion in the atmosphere via the central opening 41 of the cap 33.

La figure 5 illustre un mode de réalisation dans lequel le terminal 25 comporte une bague de serrage 40 s'adaptant concentriquement au conduit extérieur 23. La bague de serrage 40 est fixée sur une paroi du mur 21 situé dans l'espace 18 contenant la chaudière 22. Cette disposition améliore le maintien du terminal 25.The figure 5 illustrates an embodiment in which the terminal 25 comprises a clamping ring 40 concentrically adapting to the outer conduit 23. The clamping ring 40 is fixed on a wall wall 21 located in the space 18 containing the boiler 22. This provision improves the maintenance of the terminal 25.

La liaison entre la bague de serrage 40 et le conduit extérieur 23 peut être du type vis et écrou. Selon cette disposition, le terminal 25 est installé depuis la zone d'évacuation 19. Puis le serrage est effectué par un utilisateur à l'intérieur de l'espace 18 contenant la chaudière 22.The connection between the clamping ring 40 and the outer conduit 23 may be of the screw and nut type. According to this arrangement, the terminal 25 is installed from the evacuation zone 19. Then the tightening is performed by a user inside the space 18 containing the boiler 22.

La bague de serrage 40 peut également être montée en force sur le conduit extérieur 23. Le montage en force peut être réalisé par ajustement, coincement ou par une bague conique.The clamping ring 40 can also be mounted in force on the outer conduit 23. The force mounting can be achieved by adjustment, wedging or by a conical ring.

La bague de serrage 40 peut également être bloquée par un système de baïonnettes.The clamping ring 40 can also be locked by a bayonet system.

La figure 6 illustre un mode de réalisation dans lequel le terminal 25 comporte un joint 42 plat entre la paroi 24 et l'anneau 36 de fixation. Cette disposition assure l'étanchéité du terminal 25.The figure 6 illustrates an embodiment in which the terminal 25 has a flat gasket 42 between the wall 24 and the fixing ring 36. This arrangement ensures the sealing of the terminal 25.

La figure 7 illustre un mode de réalisation dans lequel le terminal 25 comporte un manchon 44 disposé autour du conduit extérieur 23 entre l'anneau 36 de fixation et la bague de serrage 40. Cette disposition assure une meilleure étanchéité du terminal 25, notamment le long du conduit extérieur 23.The figure 7 illustrates an embodiment in which the terminal 25 comprises a sleeve 44 disposed around the outer conduit 23 between the fixing ring 36 and the clamping ring 40. This arrangement ensures a better seal of the terminal 25, in particular along the outer conduit 23.

Le manchon 44 peut être réalisé en matériau résilient. Cette disposition permet un bon positionnement du manchon 44 après la mise en place du terminal 25.The sleeve 44 may be made of resilient material. This arrangement allows a good positioning of the sleeve 44 after the establishment of the terminal 25.

La figure 8 illustre un mode de réalisation dans lequel le manchon 44 est maintenu par une rondelle 46. La rondelle 46 maintenant le manchon 44 permet de mettre en place le terminal 25 depuis l'espace clos 18 contenant la chaudière 22. A cet effet, le chapeau circulaire 33 et l'anneau de fixation 36 sont réalisés en matériaux résilients. Ainsi, le chapeau 33 et l'anneau 36 se déforment en traversant l'ouverture du mur 21 afin que le terminal 25 soit monté à partir de l'espace 18 contenant la chaudière 22.The figure 8 illustrates an embodiment in which the sleeve 44 is held by a washer 46. The washer 46 holding the sleeve 44 allows to set up the terminal 25 from the enclosed space 18 containing the boiler 22. For this purpose, the circular cap 33 and the fixing ring 36 are made of resilient materials. Thus, the cap 33 and the ring 36 are deformed by crossing the opening of the wall 21 so that the terminal 25 is mounted from the space 18 containing the boiler 22.

Une fois que le chapeau 33 et l'anneau 36 sont sortis de l'ouverture formée dans le mur 21, ils retrouvent leurs formes originelles. La rondelle 46 est ensuite positionnée afin de rigidifier le manchon 44. Le diamètre de la rondelle 46 correspond au diamètre du carottage réalisé dans le mur 21 pour former l'ouverture utilisée. Le manchon 44 est ensuite mis en place et le serrage est effectué par la bague de serrage 40. Le maintien est alors assuré par l'action en compression du manchon 44.Once the hat 33 and the ring 36 are out of the opening formed in the wall 21, they find their original forms. The washer 46 is then positioned to stiffen the sleeve 44. The diameter of the washer 46 corresponds to the diameter of the core made in the wall 21 to form the opening used. The sleeve 44 is then put in place and the tightening is done by the clamping ring 40. The maintenance is then ensured by the action in compression of the sleeve 44.

Les figures 9 et 10 montrent deux exemples de turbulateur 28 aptes à être disposés dans le conduit intérieur 27. Des variations de forme 47, présentes sur le turbulateur 28, induisent des turbulences de l'écoulement dans le conduit intérieur 27. Un turbulateur 28 est préférentiellement disposé à l'extrémité du conduit intérieur 27 afin de faciliter la pénétration dans l'atmosphère des émanations sortant du conduit intérieur 27.The Figures 9 and 10 show two examples of turbulator 28 adapted to be arranged in the inner conduit 27. Shape variations 47, present on the turbulator 28, induce turbulence of the flow in the inner conduit 27. A turbulator 28 is preferably disposed of end of the inner conduit 27 to facilitate the entry into the atmosphere of the emanations exiting the inner conduit 27.

La figure 11 montre un turbulateur 28 présentant des variations géométriques 47 de forme généralement hélicoïdale. Un turbulateur 28 de ce type est préférentiellement disposé dans le conduit intérieur 27 à proximité de sa sortie vers la zone d'évacuation 19. L'hélice créé alors un tourbillon de type vortex.The figure 11 shows a turbulator 28 having geometric variations 47 of generally helical shape. A turbulator 28 of this type is preferably disposed in the inner conduit 27 in the vicinity from its exit to the evacuation zone 19. The propeller then creates a vortex vortex.

D'autres dispositions de turbulateur 28 sont possibles notamment en utilisant des éléments de type ressorts avec spires non jointives.Other turbulator arrangements 28 are possible in particular by using spring-type elements with non-contiguous turns.

Claims (10)

Terminal (25) de ventouse destiné à relier un espace (18) clos à une zone (19) d'évacuation en traversant un élément (21) de séparation, le terminal assurant une arrivé d'air (38) et une évacuation par deux conduits (23, 27) concentriques, un conduit extérieur (23) et un conduit intérieur (27), une extrémité du conduit intérieur (27) dépassant à l'extérieur du conduit extérieur (23) à une extrémité (25) comprise dans la zone (19) d'évacuation,
caractérisé en ce que l'extrémité (25) du terminal (25) comporte : - un anneau de fixation (36) adapté à être solidarisé au conduit extérieur (23), - un chapeau (33) comportant une ouverture 41 centrale, adapté à être solidarisé à ladite extrémité du conduit intérieur (27), - une cloison (35) reliant l'anneau de fixation (36) au chapeau (33) et comportant des ouvertures (34) adaptées à laisser passer de l'air entre le conduit extérieur (23) et le conduit intérieur (27) et - un turbulateur (28), adapté à provoquer des turbulences dans les gaz en sortie du terminal, logé dans le conduit intérieur (27). Suction terminal (25) for connecting a closed space (18) to an evacuation zone (19) through a separating element (21), the air supply terminal (38) and a two-way evacuation concentric ducts (23, 27), an outer duct (23) and an inner duct (27), one end of the inner duct (27) protruding outside the outer duct (23) at one end (25) included in the evacuation zone (19),
characterized in that the end (25) of the terminal (25) comprises: a fixing ring (36) adapted to be secured to the outer conduit (23), a cap (33) having an opening 41 central, adapted to be secured to said end of the inner conduit (27), - a partition (35) connecting the fixing ring (36) to the cap (33) and having openings (34) adapted to let air pass between the outer conduit (23) and the inner conduit (27) and - A turbulator (28), adapted to cause turbulence in the gas output of the terminal, housed in the inner conduit (27). Terminal (25) de ventouse selon la revendication 1, dans lequel le turbulateur (28) suit une disposition hélicoïdale.A suction terminal (25) according to claim 1, wherein the turbulator (28) follows a helical arrangement. Terminal (25) de ventouse selon l'une des revendications 1 ou 2, qui comporte une bague de serrage (40) s'adaptant concentriquement autour du conduit extérieur (23), ladite bague de serrage étant fixée à une paroi de l'élément de séparation (21) située dans l'espace (18) clos.Suction terminal (25) according to one of claims 1 or 2, which comprises a clamping ring (40) concentrically adapting around the outer conduit (23), said clamping ring being attached to a wall of the element separator (21) located in the closed space (18). Terminal (25) de ventouse selon la revendication 3, dans lequel la bague de serrage (40) est vissée sur le conduit extérieur (23).A suction terminal (25) according to claim 3, wherein the clamping ring (40) is screwed to the outer conduit (23). Terminal (25) de ventouse selon l'une des revendications 3 ou 4, dans lequel la bague de serrage (40) est bloquée par un système de baïonnettes.Suction terminal (25) according to one of claims 3 or 4, wherein the clamping ring (40) is locked by a bayonet system. Terminal (25) de ventouse selon l'une des revendications 3 à 5, dans lequel la bague de serrage (40) est adaptée à compresser un joint (42) plat entre l'anneau de fixation (36) et la paroi (24) de l'élément de séparation (21) située dans l'espace (18) clos.Suction terminal (25) according to one of claims 3 to 5, wherein the clamping ring (40) is adapted to compress a flat seal (42) between the fastening ring (36) and the wall (24). the separating element (21) in the closed space (18). Terminal (25) de ventouse selon l'une des revendications 3 à 6, dans lequel la bague de serrage (40) est adaptée à compresser un manchon (44) disposé autour du conduit extérieur (23) entre l'anneau de fixation (36) et la bague de serrage (40).Suction terminal (25) according to one of claims 3 to 6, wherein the clamping ring (40) is adapted to compress a sleeve (44) disposed around the outer conduit (23) between the fastening ring (36). ) and the clamping ring (40). Terminal (25) de ventouse selon la revendication 7, dans lequel le manchon (44) est réalisé en matériau résilient.A suction terminal (25) according to claim 7, wherein the sleeve (44) is made of resilient material. Terminal (25) de ventouse selon l'une des revendications 1 à 8, dans lequel l'anneau de fixation (36), la cloison (35) et le chapeau (33) forment une seule pièce monobloc.Suction terminal (25) according to one of claims 1 to 8, wherein the fixing ring (36), the partition (35) and the cap (33) form a single piece. Dispositif de chauffage (20) étanche comportant un terminal (25) de ventouse suivant l'une des revendications 1 à 9.Watertight heating device (20) comprising a suction terminal (25) according to one of Claims 1 to 9.
EP12167351.1A 2011-05-13 2012-05-09 Chimney terminal for balanced flue and associated sealed heating device Active EP2522906B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1154195A FR2975171B1 (en) 2011-05-13 2011-05-13 SUCTION TERMINAL AND ASSOCIATED SEALING HEATING DEVICE

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EP2522906A1 true EP2522906A1 (en) 2012-11-14
EP2522906B1 EP2522906B1 (en) 2020-11-25

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FR (1) FR2975171B1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB457060A (en) * 1935-08-23 1936-11-20 William George Hegbourne Improvements relating to dust and soot collecting devices for attachment to chimneys and the like
FR1544206A (en) * 1967-09-22 1968-10-31 United Gas Industries Ltd Gas heater
NL6811434A (en) * 1968-08-12 1970-02-16
GB1268977A (en) * 1970-03-23 1972-03-29 Gas Council Improvements in or relating to balanced flue terminals
GB2359352A (en) * 2000-02-21 2001-08-22 Docherty Ltd H A balanced flue terminal
EP1469254A1 (en) * 2003-04-17 2004-10-20 Ubbink B.V. Horizontal roof or exterior wall passage

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2205175A5 (en) * 1972-09-27 1974-05-24 British Gas Corp

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB457060A (en) * 1935-08-23 1936-11-20 William George Hegbourne Improvements relating to dust and soot collecting devices for attachment to chimneys and the like
FR1544206A (en) * 1967-09-22 1968-10-31 United Gas Industries Ltd Gas heater
NL6811434A (en) * 1968-08-12 1970-02-16
GB1268977A (en) * 1970-03-23 1972-03-29 Gas Council Improvements in or relating to balanced flue terminals
GB2359352A (en) * 2000-02-21 2001-08-22 Docherty Ltd H A balanced flue terminal
EP1469254A1 (en) * 2003-04-17 2004-10-20 Ubbink B.V. Horizontal roof or exterior wall passage

Also Published As

Publication number Publication date
FR2975171A1 (en) 2012-11-16
FR2975171B1 (en) 2013-06-28
EP2522906B1 (en) 2020-11-25

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