EP0816774B1 - Dispositif d'obturation d'un conduit de ventilation, notamment clapet coupe-feu ou volet de désenfumage et procédé de fabrication du tunnel et de la lame du dispositif - Google Patents
Dispositif d'obturation d'un conduit de ventilation, notamment clapet coupe-feu ou volet de désenfumage et procédé de fabrication du tunnel et de la lame du dispositif Download PDFInfo
- Publication number
- EP0816774B1 EP0816774B1 EP97420099A EP97420099A EP0816774B1 EP 0816774 B1 EP0816774 B1 EP 0816774B1 EP 97420099 A EP97420099 A EP 97420099A EP 97420099 A EP97420099 A EP 97420099A EP 0816774 B1 EP0816774 B1 EP 0816774B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- tunnel
- thickness
- holes
- blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
- F24F13/14—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre
- F24F13/1406—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of tilting members, e.g. louvre characterised by sealing means
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
- A62C2/12—Hinged dampers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
- F24F11/35—Responding to malfunctions or emergencies to fire, excessive heat or smoke by closing air passages
Definitions
- the present invention relates to a shutter device a ventilation duct, in particular a fire damper or a damper Smoke.
- the subject of the invention is a method of manufacturing the tunnel and the blade. of the device.
- a fire damper has a frame or tunnel which can be mounted as a surface or inside a duct, this rectangular tunnel for mounting a shutter blade likely, in a first position, to be oriented perpendicularly at the opening of the tunnel, to let the air through and, in a second position, to be pivoted to a closed position in order to close the tunnel and therefore the most airtight ventilation duct possible.
- Different solutions are known to cause the passage of the blade from its open position to its closed position. These solutions will not be discussed, as they do not the subject of the invention.
- the blade has a shape rectangular, and the tunnel is equipped with positioning stops against which bear on the blade in the closed position. These stops are brought back into the tunnel and fixed by gluing, screwing, riveting, etc. Given the pivoting of the blade, these stops can only be partial, and be offset to allow the support of the blade in position of closing. This results in significant games requiring the presence of complex seals to ensure satisfactory sealing.
- the seals used are intumescent seals, arranged inside the tunnel, i.e. made from materials capable of swelling under the effect of a rise in temperature.
- GB 1 418 142 discloses all the features of the preamble to the claim 1.
- This document relates to a ventilation, in particular of the passenger compartment of an automobile, comprising a opening in the dashboard, in which a annular body.
- a ring in which is pivotally mounted, around a diametrical axis, a disc shutter.
- Two 180 ° recesses each open into the two faces of the disc, which correspond to projecting parts that has the ring, and which form stops for the disc while ensuring a tight closure of the duct.
- Such a device does not pose a problem of realization in synthetic material.
- the object of the invention is to provide a device for closing off simple structure, made from a small number of parts produced in difficult-to-shape materials, such as materials refractory, and in which the seal at closure can be obtained with a minimum of specific sealing elements.
- the very structure of the blade and the tunnel respectively allows, in the closed position of the blade, almost a seal perfect, even in the absence of joints, due to the shapes complementary to the blade and the tunnel.
- the characteristics of the blade and the tunnel allow an easy and precise obtaining of these rooms.
- the tunnel comprises, in its zones between the ends of the ribs, two coaxial recesses opening opposite forming bearings for the axis of rotation of the blade.
- two coaxial holes opening into two opposite walls of the thickness of the blade, each intended to receive a pin forming a part of the axis of rotation, shorter than the hole, two lights being provided in a lateral face of the blade, which communicate with the two holes to allow, using a tool, to slide the pins axially in the holes to pass them from a retracted position in the holes to a position engaged in the tunnel recesses or vice versa.
- seals such as flexible materials or rigid, or intumescent joints, can be used to perfect the seal in the closed position.
- the fire damper according to one embodiment of the invention comprises a tunnel 2 of square shape, intended to be fixed opposite an opening to be closed, or to the interior of a duct designated by the general reference 3 in FIG. 6.
- a the interior of this tunnel 2 is pivotally mounted a shutter blade 4 of generally square shape, around an axis arranged at mid-length of the opening 5 which delimits the tunnel.
- This blade 4 is pivotable between a open position, shown in Figure 1, in which it allows the air passage, and a closed position, in which it is located in the plan of the tunnel opening.
- the blade 4 is formed by a shaped part parallelepiped, having, on one of its faces, a recess rectangular 6 thick corresponding to half the thickness of the blade, extending along three edges thereof, between two areas of mounting of the blade pivot axis designated by the reference general 7.
- This rectangular recess 6 extends along three edges of the blade over a length slightly less than half the perimeter of it.
- This blade comprises, on the other hand, and opening onto its other face, a recess 8 symmetrical with the recess 6 with respect to the axis of rotation of the blade, provided on the other half of the perimeter.
- the opening of the tunnel has two symmetrical rectangular ribs 9 and 10 from each other with respect to the axis of rotation 7 of the blade 4, and each spanning half the thickness of the tunnel, the distance between the corresponding ends of the two ribs 9 and 10 being substantially equal to the thickness of the blade.
- the blade 4 is made from two identical elements 4a and 4b, each of thickness corresponding to half the thickness of the blade, and assembled head to tail.
- the tunnel is also made from two identical elements 2a and 2b, each of thickness corresponding to half the thickness of the tunnel, and assembled head to tail.
- the tunnel 2 has two coaxial recesses 14 opening into the interior faces of the tunnel. These recesses 14 are used for mounting bearings for the axis.
- the blade 4 includes, for its part, a bore delimiting two coaxial holes 15a, 15b intended for the mounting of two pins 16a, 16b forming the axis of rotation 7.
- the length of each of pins 16a, 16b is less than the length of corresponding holes 15a, 15b.
- the pins can therefore slide to be retracted inside the holes to allow mounting or disassembly of the blade 4.
- each blade has a light 17 opening into a hole 15a, 15b, and each pin present at the at least one recess 18 allowing it to be actuated in translation by through a tool passing through the light 17.
- the two pins 16a, 16b are first of all in the retracted position in the holes 15a, 15b.
- the blade 4 is positioned inside the tunnel 2.
- the pins are then actuated outwards to be engaged in the recesses 14 in the tunnel.
- To disassemble the blade proceed conversely.
- Figure 7 is a perspective view of another valve general circular shape, having the same structure, and in which the same elements are designated by the references of the embodiment Figures 1 to 6, increased by 100.
- this fire damper ensures excellent sealing properties, however, provision should be made mounting of seals which can be fixed respectively on the tunnel and / or on the blade.
- valve could have a shape not square but rectangular or circular, or that the invention could relate not to a valve fire stop, but another device for sealing a flue ventilation, such as a smoke exhaust damper.
Landscapes
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Air-Flow Control Members (AREA)
- Duct Arrangements (AREA)
- Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
- Lift Valve (AREA)
- Check Valves (AREA)
Description
- un tunnel destiné à être fixé en regard d'une ouverture à obturer,
- et dans lequel est monté pivotante une lame, autour d'un axe de rotation disposé à mi-longueur de l'ouverture,
- de telle sorte qu'en position ouverte, la lame est perpendiculaire au plan de l'ouverture,
- la lame est constituée par une pièce, comportant un perçage délimitant deux trous coaxiaux destinés au montage de deux broches formant l'axe de rotation à mi-longueur et au milieu de son épaisseur,
- la lame présentant,
- d'une part, sur l'une de ses faces, un premier évidement rectangulaire d'épaisseur correspondant sensiblement à la moitié de l'épaisseur de la lame, s'étendant le long d'un bord de celle-ci entre les deux trous, sur une longueur légèrement inférieure à la moitié du périmètre et,
- d'autre part, sur son autre face, un second évidement symétrique du premier par rapport à l'axe de rotation de la lame, et ménagé sur l'autre moitié du périmètre, et
- l'ouverture du tunnel présentant des dimensions correspondant respectivement à celles de la lame augmentées des jeux fonctionnels, et
- le tunnel comportant deux nervures rectangulaires
symétriques l'une de l'autre par rapport à l'axe de rotation de la lame,
- et s'étendant chacune sur sensiblement la moitié de l'épaisseur du tunnel qui est elle-même sensiblement égale à l'épaisseur de la lame,
- la distance entre les extrémités en regard des deux nervures du tunnel étant sensiblement égale à l'épaisseur de la lame,
- la lame est réalisée à partir de deux éléments identiques, chacun d'épaisseur correspondant à la moitié de l'épaisseur de la lame, et assemblés tête-bêche l'un à l'autre,
- et/ou le tunnel est réalisé à partir de deux éléments identiques, chacun d'épaisseur correspondant à la moitié de l'épaisseur du tunnel, et assemblés tête-bêche l'un à l'autre.
Claims (5)
- Dispositif d'obturation d'un conduit de ventilation, comprenantun tunnel (2) destiné à être fixé en regard d'une ouverture à obturer,et dans lequel est monté pivotante une lame (4), autour d'un axe de rotation (7) disposé à mi-longueur de l'ouverture,de telle sorte qu'en position ouverte, la lame est perpendiculaire au plan de l'ouverture,la lame (4) est constituée par une pièce, comportant un perçage délimitant deux trous coaxiaux (15a, 15b) destinés au montage de deux broches (16a, 16b) formant l'axe de rotation (7) à mi-longueur et au milieu de son épaisseur,la lame (4) présentant,d'une part, sur l'une de ses faces, un premier évidement rectangulaire (6) d'épaisseur correspondant sensiblement à la moitié de l'épaisseur de la lame, s'étendant le long d'un bord de celle-ci entre les deux trous (15a,15b), sur une longueur légèrement inférieure à la moitié du périmètre et,d'autre part, sur son autre face, un second évidement (8) symétrique du premier par rapport à l'axe de rotation de la lame, et ménagé sur l'autre moitié du périmètre, etl'ouverture (5) du tunnel présentant des dimensions correspondant respectivement à celles de la lame (4) augmentées des jeux fonctionnels, etle tunnel (2) comportant deux nervures rectangulaires (9, 10) symétriques l'une de l'autre par rapport à l'axe de rotation (7) de la lame,et s'étendant chacune sur sensiblement la moitié de l'épaisseur du tunnel qui est elle-même sensiblement égale à l'épaisseur de la lame,la distance entre les extrémités en regard des deux nervures (9, 10) du tunnel étant sensiblement égale à l'épaisseur de la lame,la lame (4) est réalisée à partir de deux éléments identiques (4a, 4b), chacun d'épaisseur correspondant à la moitié de l'épaisseur de la lame, et assemblés tête-bêche l'un à l'autre,et/ou le tunnel (2) est réalisé à partir de deux éléments identiques (2a,2b), chacun d'épaisseur correspondant à la moitié de l'épaisseur du tunnel, et assemblés tête-bêche l'un à l'autre.
- Dispositif selon la revendication 1, caractérisé en ce que le tunnel (2) comporte, dans ses zones comprises entre les extrémités des nervures (9, 10), deux évidements coaxiaux (14), débouchant en vis-à-vis, formant paliers pour l'axe de rotation de la lame.
- Dispositif selon la revendication 2, caractérisé en ce que dans l'épaisseur de la lame (4) sont ménagés les deux trous coaxiaux (15a, 15b), débouchant dans les deux parois opposées de l'épaisseur de la lame, destinés chacun à recevoir une broche (16a, 16b) formant une partie de l'axe (7) de rotation, de longueur inférieure à celle du trou, deux lumières (17) étant ménagées dans une face latérale de la lame (4), qui communiquent avec les deux trous (15a, 15b) pour permettre, à l'aide d'un outil, de faire coulisser axialement les broches (16a, 16b) dans les trous pour les faire passer d'une position escamotée dans les trous à une position engagée dans les évidements (14) du tunnel ou inversement.
- Dispositif selon l'une quelconque des revendications 1 à 3, caractérisé en ce qu'il comporte des joints d'étanchéité.
- Procédé de fabrication du tunnel (2) et de la lame (4) du dispositif d'obturation d'un conduit de ventilation selon la revendication 1, caractérisé en ce qu'il consiste, partant de deux plaques (12) de matériau réfractaire de dimensions extérieures correspondant à celles du tunnel et d'épaisseur correspondant à la moitié de celle de la lame, à réaliser une découpe (13) des deux plaques dans toute leur épaisseur pour former deux demi-lames et deux demi-tunnels, la découpe comportant deux zones successives (13a, 13b) de largeurs différentes, puis à assembler tête-bêche les deux demi-tunnels et les deux demi-lames pour obtenir respectivement le tunnel et la lame.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9608148A FR2750200B1 (fr) | 1996-06-24 | 1996-06-24 | Dispositif d'obturation d'un conduit de ventilation, notamment clapet coupe-feu ou volet de desenfumage |
FR9608148 | 1996-06-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0816774A1 EP0816774A1 (fr) | 1998-01-07 |
EP0816774B1 true EP0816774B1 (fr) | 2002-04-03 |
Family
ID=9493575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97420099A Expired - Lifetime EP0816774B1 (fr) | 1996-06-24 | 1997-06-24 | Dispositif d'obturation d'un conduit de ventilation, notamment clapet coupe-feu ou volet de désenfumage et procédé de fabrication du tunnel et de la lame du dispositif |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0816774B1 (fr) |
AT (1) | ATE215683T1 (fr) |
DE (1) | DE69711501T2 (fr) |
ES (1) | ES2172756T3 (fr) |
FR (1) | FR2750200B1 (fr) |
HK (1) | HK1007900A1 (fr) |
PT (1) | PT816774E (fr) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0029381D0 (en) * | 2000-12-01 | 2001-01-17 | Tri Air Innovations Ltd | Air flow controller and fire damper in air flow duct |
AU2002220847A1 (en) * | 2000-12-01 | 2002-06-11 | Tri-Air Innovations Limited | Air flow controller and fire damper in an air flow duct |
FR2843032B1 (fr) * | 2002-08-02 | 2005-01-21 | Aldes Aeraulique | Dispositif d'obturation d'un conduit de ventilation, notamment clapet coupe-feu ou volet de desenfumage |
DE20314559U1 (de) * | 2003-09-19 | 2003-12-04 | Bbh Betriebseinrichtungen Ag | Elektrisch angetriebene Brandschutzklappe |
IT1391497B1 (it) * | 2008-10-28 | 2011-12-23 | Mp3 S R L | Serranda tagliafuoco con alloggiamenti per il perno realizzato dall'unione di due elementi tubolari e metodo di montaggio della suddetta serranda tagliafuoco |
BE1018315A5 (nl) * | 2009-04-06 | 2010-08-03 | Rf Technologies Nv | Brandwerende ventilatieklep. |
FR2994990B1 (fr) * | 2012-08-31 | 2014-08-29 | Atlantic Climatisation Et Ventilation | Volet de desenfumage |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1418142A (en) * | 1973-03-12 | 1975-12-17 | Smiths Industries Ltd | Ventilators |
US4372197A (en) * | 1980-11-14 | 1983-02-08 | Acme Engineering & Manufacturing Corporation | Cold weather inlet for ventilating systems |
FR2504233A1 (fr) * | 1981-04-21 | 1982-10-22 | Alsthom Cgee | Dispositif pour l'obturation d'une ouverture destinee au passage de gaz |
-
1996
- 1996-06-24 FR FR9608148A patent/FR2750200B1/fr not_active Expired - Fee Related
-
1997
- 1997-06-24 EP EP97420099A patent/EP0816774B1/fr not_active Expired - Lifetime
- 1997-06-24 PT PT97420099T patent/PT816774E/pt unknown
- 1997-06-24 DE DE69711501T patent/DE69711501T2/de not_active Expired - Lifetime
- 1997-06-24 AT AT97420099T patent/ATE215683T1/de not_active IP Right Cessation
- 1997-06-24 ES ES97420099T patent/ES2172756T3/es not_active Expired - Lifetime
-
1998
- 1998-07-07 HK HK98108995A patent/HK1007900A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
PT816774E (pt) | 2002-07-31 |
FR2750200B1 (fr) | 1998-08-07 |
ES2172756T3 (es) | 2002-10-01 |
FR2750200A1 (fr) | 1997-12-26 |
DE69711501D1 (de) | 2002-05-08 |
DE69711501T2 (de) | 2002-10-31 |
EP0816774A1 (fr) | 1998-01-07 |
HK1007900A1 (en) | 1999-04-30 |
ATE215683T1 (de) | 2002-04-15 |
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