EP2239016B1 - Dispositif de rotation d'une pale d'amortisseur sur un registre coupe-feu - Google Patents
Dispositif de rotation d'une pale d'amortisseur sur un registre coupe-feu Download PDFInfo
- Publication number
- EP2239016B1 EP2239016B1 EP10003349A EP10003349A EP2239016B1 EP 2239016 B1 EP2239016 B1 EP 2239016B1 EP 10003349 A EP10003349 A EP 10003349A EP 10003349 A EP10003349 A EP 10003349A EP 2239016 B1 EP2239016 B1 EP 2239016B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- transmission arm
- damper blade
- coupling element
- drivable
- curve
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 112
- 230000008878 coupling Effects 0.000 claims abstract description 64
- 238000010168 coupling process Methods 0.000 claims abstract description 64
- 238000005859 coupling reaction Methods 0.000 claims abstract description 64
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
- A62C2/24—Operating or controlling mechanisms
Definitions
- the present invention relates to a device for rotating a damper blade of a fire damper about a damper blade axle from an open position to a closed position and vice versa, comprising a first transmission arm of the damper blade which is connected to the damper blade axle and a second, drivable transmission arm which is connected to a drivable axle, in which the free ends of both transmission arms are hingedly connected to one another by means of a coupling element and in which this coupling element is arranged such that it can be displaced in the length direction of the first transmission arm of the damper blade with respect to this first transmission arm of the damper blade.
- Such fire dampers are used in the case of wall passages in air ducts in order to prevent the propagation of a fire.
- a damper blade is fitted in an air flow duct of these fire dampers so as to be rotatable from an open position to a closed position and vice versa.
- the damper blade has to be in its open position and preferably does not flap or turn with respect to this open position as a result of forces which act on this damper blade, in order to ensure a good circulation.
- the damper blade In the case of fire, the damper blade has to be moved to the closed position, in which case it should again not turn with respect to this closed position as a result of forces which act on this damper blade, in order to close off the air flow duct sufficiently to prevent a fire from propagating.
- This simple device comprises a first transmission arm of the damper blade which is placed radially with respect to the damper blade axle, and a second, drivable transmission arm which is placed radially with respect to a drivable axle, which is parallel to the damper blade axle, in which the free ends of both transmission arms are hingedly connected to one another by means of a coupling element, this coupling element being fixedly connected to the second, drivable transmission arm and being arranged on the first transmission arm of the damper blade such that it can be displaced in the length direction of this first transmission arm of the damper blade, so that both transmission arms are at right angles to one another in the open and the closed position of the damper blade.
- a device for rotating a damper blade of a fire damper about a damper blade axle from an open position to a closed position and vice versa comprising a first transmission arm of the damper blade which is connected to the damper blade axle and a second, drivable transmission arm which is connected to a drivable axle, in which the free ends of both transmission arms are hingedly connected to one another by means of a coupling element, in which this coupling element is arranged such that it can be displaced with respect to this first transmission arm of the damper blade, in which the coupling element is also arranged such that it can be displaced with respect to this second, drivable transmission arm and in which, when the damper blade is rotated from the open position to the closed position and vice versa, the movement of this coupling element is guided by means of guide means in accordance with a flowing curve in such a manner that, in the open position and in the closed position, the first transmission arm of the damper blade, in its length direction, is
- the coupling element By arranging the coupling element so as to be freely movable with respect to both the first and the second, drivable transmission arm, but guiding it in accordance with a flowing curve in such a manner that the first transmission arm of the damper blade, in the open and in the closed position, is positioned according to the tangent line of this flowing curve, it is ensured that the movement of both transmission arms cannot be initiated, either from the open position or from the closed position, by means of the first transmission arm of the damper blade and thus by forces which act on the damper blade.
- the guide means comprise at least one groove which has a shape corresponding to the flowing curve and said coupling element is arranged in the groove, so that the movement of this coupling element is guided according to the curve.
- this device then comprises a top wall and a bottom wall, between which the first transmission arm of the damper blade, the second, drivable transmission arm and the coupling element are arranged, the guide means comprise two grooves which have a shape corresponding to the flowing curve and which are provided in the top wall and the bottom wall, and the coupling element is arranged in both grooves, so that the movement of this coupling element is guided according to the curve.
- the coupling element is preferably arranged such that it can be displaced in a slot which extends in the length direction and is provided in the first transmission arm of the damper blade or in the second, drivable transmission arm and is arranged in a guiding manner in a groove extending in the length direction in the second, drivable transmission arm or the first transmission arm of the damper blade, respectively.
- the coupling element is preferably arranged such that it can be displaced in a slot which extends in the length direction and is provided in the first transmission arm of the damper blade and in a slot which extends in the length direction which is provided in the second, drivable transmission arm.
- the coupling element is then arranged in both slots and in said grooves in the top wall and the bottom wall.
- the guide means comprise at least one linear groove, said coupling element being arranged in this groove such that it can be displaced and this coupling element being arranged in a slot which is provided in the first transmission arm of the damper blade or in the second, drivable transmission arm such that it can be displaced, and is arranged in a guiding manner in a groove in the second, drivable transmission arm or in the first transmission arm of the damper blade, respectively, this slot and/or this groove having a shape corresponding to the flowing curve, so that the movement of this coupling element is guided according to the curve.
- this device comprises a top wall and a bottom wall, between which the first transmission arm of the damper blade, the second, drivable transmission arm and the coupling element are arranged, the guide means comprising two linear grooves which are provided in the top wall and the bottom wall, said coupling element being arranged in both grooves, being arranged so as to be displaceable in a slot which is provided in the first transmission arm of the damper blade and being arranged so as to be displaceable in a slot which is provided in the second, drivable transmission arm, one of the two or both slots having a shape which corresponds to the flowing curve, so that the movement of this coupling element is guided according to the curve.
- the first transmission arm of the damper blade is furthermore arranged radially on the damper blade axle
- the second, drivable transmission arm is arranged radially on the drivable axle and this drivable axle is arranged parallel to the damper blade axle.
- the flowing curve preferably has a shape which is such that the transmission ratio 1:1 is as close as possible to across as large a range as possible. Preferably, this ratio is substantially 1:1 across virtually the entire range.
- the angle between the first transmission axle and the axis through the connection points of the damper blade axle with the first transmission arm of the damper blade and of the drivable axle with the second, drivable transmission arm varies between -45° and +45° during the movement of the coupling element according to the flowing curve.
- this flowing curve then has a virtually linear shape, in the region of the flowing curve in which, when the coupling element moves according to this curve, the angle between the first transmission axle and the axis through the connection points of the damper blade axle with the first transmission arm of the damper blade and of the drivable axle with the second, drivable transmission arm varies between -45° and -30°, and in the region of the flowing curve in which, when the coupling element moves according to the curve, said angle varies between 30° and 45°.
- the flowing curve is preferably of a completely symmetrical design with respect to the axis through the connection points of the damper blade axle with the first transmission arm of the damper blade and of the drivable axle with the second, drivable transmission arm.
- the device (3) for rotating a damper blade of a fire damper (1) comprises, as represented in Figures 2 to 4 , a first transmission arm of the damper blade (4) and a second, drivable transmission arm (5).
- the first transmission arm of the damper blade (4) is provided with a radial axle part (4b) which runs through a bottom wall (9) of the device (3) and through the wall of the fire damper (1) and which is connected to the damper blade axle (A) about which the damper blade (2) of the fire damper (1) is rotatably fitted.
- This damper blade (2) can in this case rotate from an open position to a closed position and vice versa.
- the second, drivable transmission arm (5) is provided with a radial axle part (5b) which runs through a top wall (8) of the device (3) and which is connected to a drivable axle (B) which can be rotated by means of drive means.
- All possible known means may be used as drive means, for example a manual drive or a drive which uses a motor or which uses a spring element, etc.
- the drivable axle (B) is arranged parallel to the damper blade axle (A).
- This coupling element (6) is designed as a coupling pivot which is displaceably arranged in a slot (4a) which extends in the length direction and which is provided in the first transmission arm of the damper blade (4) and in a slot (5a) which extends in the length direction and which is provided in the second, drivable transmission arm (5).
- the device (3) furthermore comprises an upper part and a bottom part which are made from plastic. However, these could equally well be made from any other suitable material.
- the upper part comprises a top wall (8) and the bottom part comprises a bottom wall (9), between which the first transmission arm of the damper blade (4), the second, drivable transmission arm (5) and the coupling element (6) are arranged.
- the combination, together with the bottom wall (9), is fitted against the wall of the fire damper (1), as can be seen in Figure 1 .
- a groove (7) is provided which has a shape corresponding to a flowing curve.
- a corresponding groove (7) is provided having the same shape.
- this flowing curve is symmetrical with respect to the axis (C) through the connection points of the damper blade axle (A) with the first transmission arm of the damper blade (4) and of the drivable axle (B) with the second, drivable transmission arm (5).
- This curve furthermore has a shape which is such that when the coupling element (6) moves, the transmission ratio is as close as possible to 1:1 over as large a range as possible.
- the angle (a) between the first transmission arm of the damper blade (4) and the axis (C) through the connection points of the damper blade axle (A) with the first transmission arm of the damper blade (4), and the drivable axle (B) with the second, drivable transmission arm (5) may vary between -45° and +45°.
- the angles of -45° and +45° correspond to the closed position and the open position of the damper blade which is connected to the first transmission arm of the damper blade (4). All intermediate angles correspond to positions of the damper blade situated between the open and the closed position.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Air-Flow Control Members (AREA)
- Check Valves (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Claims (12)
- Dispositif (3) de rotation d'une lame mobile (2) d'un registre coupe-feu (1) autour d'un axe de lame mobile (A) d'une position ouverte à une position fermée et vice versa, comprenant un premier bras de transmission de la lame mobile (4) raccordé à l'axe de lame mobile et un second bras de transmission (5) entraînable raccordé à un axe entraînable (B), dans lequel les extrémités libres des deux bras de transmission (4, 5) sont raccordées de façon articulée l'une à l'autre au moyen d'un élément d'accouplement (6), cet élément d'accouplement (6) étant agencé de telle manière qu'il puisse être déplacé par rapport à ce premier bras de transmission de la lame mobile (4), caractérisé en ce que l'élément d'accouplement (6) est également agencé de telle manière qu'il puisse être déplacé par rapport à ce second bras de transmission (5) entraînable et en ce que, quand la lame mobile (2) est mise en rotation de la position ouverte à la position fermée et vice versa, le mouvement de cet élément d'accouplement (6) soit guidé par des moyens de guidage (7) selon une courbe d'écoulement de telle manière que dans la position ouverte et dans la position fermée, le premier bras de transmission de la lame mobile (4), dans la direction de sa longueur, soit positionné selon la ligne tangente de cette courbe.
- Dispositif (3) selon la revendication 1, caractérisé en ce que les moyens de guidage comprennent au moins une rainure (7) ayant une forme correspondant à la courbe d'écoulement et en ce que ledit élément d'accouplement (6) est agencé dans la rainure (7), de telle sorte que le mouvement de cet élément d'accouplement (6) soit guidé selon la courbe.
- Dispositif (3) selon l'une quelconque des revendications précédentes, caractérisé en ce que le dispositif comprend une paroi supérieure (8) et une paroi inférieure (9), entre lesquelles le premier bras de transmission de la lame mobile (4), le second bras de transmission (5) entraînable et l'élément d'accouplement (6) sont agencés, et en ce que les moyens de guidage comprennent deux rainures (7) ayant une forme correspondant à la courbe d'écoulement et disposées dans la paroi supérieure (8) et la paroi inférieure (9), et en ce que l'élément d'accouplement (6) est agencé dans les deux rainures (7), de telle sorte que le mouvement de cet élément d'accouplement (6) soit guidé selon la courbe.
- Dispositif (3) selon la revendication 2, caractérisé en ce que l'élément d'accouplement (6) est agencé de telle manière qu'il puisse être déplacé dans une fente (4a, 5a) s'étendant dans la direction de la longueur et disposée dans le premier bras de transmission de la lame mobile (4) ou dans le second bras de transmission (5) entraînable et est agencée d'une manière de guidage dans une rainure s'étendant dans la direction de la longueur dans le second bras de transmission (5) entraînable ou le premier bras de transmission de la lame mobile (4), respectivement.
- Dispositif (3) selon la revendication 2 ou 3, caractérisé en ce que l'élément d'accouplement (6) est agencé de telle manière qu'il puisse être déplacé dans une fente (4a) s'étendant dans la direction de la longueur et est disposé dans le premier bras de transmission de la lame mobile (4) et dans une fente (5a) s'étendant dans la direction de la longueur disposée dans le second bras de transmission (5) entraînable.
- Dispositif (3) selon la revendication 1, caractérisé en ce que les moyens de guidage comprennent au moins une rainure linéaire (7), en ce que ledit élément d'accouplement (6) est agencé dans cette rainure (7) de telle manière qu'il puisse être déplacé, en ce que cet élément d'accouplement (6) est agencé dans une fente (4a, 5a) disposée dans le premier bras de transmission de la lame mobile (4) ou dans le second bras de transmission (5) entraînable de telle manière qu'il puisse être déplacé, et est agencé d'une manière de guidage dans une rainure dans le second bras de transmission (5) entraînable ou dans le premier bras de transmission de la lame mobile (4), respectivement, cette fente (4a, 5a) et/ou cette rainure ayant une forme correspondant à la courbe d'écoulement, de telle sorte que le mouvement de cet élément d'accouplement (6) soit guidé selon la courbe.
- Dispositif (3) selon la revendication 1, caractérisé en ce que le dispositif comprend une paroi supérieure (8) et une paroi inférieure (9), entre lesquelles le premier bras de transmission de la lame mobile (4), le second bras de transmission (5) entraînable et l'élément d'accouplement (6) sont agencés, en ce que les moyens de guidage comprennent deux rainures linéaires (7) disposées dans la paroi supérieure (8) et la paroi inférieure (9), en ce que ledit élément d'accouplement (6) est agencé dans les deux rainures, en ce que cet élément d'accouplement (6) est agencé de façon à être déplaçable dans une fente (4a) disposée dans le premier bras de transmission de la lame mobile (4), et est agencé de façon à être déplaçable dans une fente (5a) disposée dans le second bras de transmission (5a) entraînable, l'une des deux ou les deux fentes (4a, 5a) ayant une forme correspondant à la courbe d'écoulement, de telle sorte que le mouvement de cet élément d'accouplement (6) soit guidé selon la courbe.
- Dispositif (3) selon l'une quelconque des revendications précédentes, caractérisé en ce que le premier bras de transmission de la lame mobile (4) est agencé radialement sur l'axe de lame mobile (A), en ce que le second bras de transmission (5) entraînable est agencé radialement sur l'axe entraînable (B), et en ce que ce l'axe entraînable (B) est agencé parallèlement à l'axe de lame mobile (A).
- Dispositif (3) selon l'une quelconque des revendications précédentes, caractérisé en ce que la courbe d'écoulement a une forme telle que le rapport de transmission soit sensiblement de 1:1.
- Dispositif (3) selon l'une quelconque des revendications précédentes, caractérisé en ce que l'angle (A) entre le premier bras de transmission de la lame mobile (4) et l'axe (C) à travers les points de raccordement de l'axe de lame mobile (A) avec le premier bras de transmission de la lame mobile (4) et de l'axe entraînable (B) avec le second bras de transmission (5) entraînable varie entre -45° et +45° pendant le mouvement de l'élément d'accouplement (6) selon la courbe d'écoulement.
- Dispositif (3) selon la revendication 10, caractérisé en ce que dans la région de la courbe d'écoulement dans laquelle, quand l'élément d'accouplement (6) se déplace selon cette courbe, l'angle (A) entre le premier bras de transmission de la lame mobile (4) et l'axe (C) à travers les points de raccordement de l'axe de lame mobile (A) avec le premier bras de transmission de la lame mobile (4) et de l'axe entraînable (B) avec le second bras de transmission (5) entraînable varie entre -45° et -30°, et dans la région de la courbe d'écoulement dans laquelle, quand l'élément d'accouplement (6) se déplace selon la courbe, ledit angle (A) varie entre 30° et 45°, cette courbe a une forme pratiquement linéaire.
- Dispositif (3) selon l'une quelconque des revendications précédentes, caractérisé en ce que la courbe d'écoulement est de conception symétrique par rapport à l'axe (C) à travers les points de raccordement de l'axe de lame mobile (A) avec le premier bras de transmission de la lame mobile (4) et de l'axe entraînable (B) avec le second bras de transmission (5) entraînable.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL10003349T PL2239016T3 (pl) | 2009-04-06 | 2010-03-29 | Urządzenie do obracania przegrody przepustnicy przeciwpożarowej |
SI201030004T SI2239016T1 (sl) | 2009-04-06 | 2010-03-29 | Naprava za obraäśanje duĺ ilne lopute duĺ ilca ognja |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE2009/0212A BE1018012A3 (nl) | 2009-04-06 | 2009-04-06 | Inrichting voor het verdraaien van een klepblad van een brandwerende ventilatieklep. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2239016A1 EP2239016A1 (fr) | 2010-10-13 |
EP2239016B1 true EP2239016B1 (fr) | 2011-06-22 |
Family
ID=41202449
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10003349A Active EP2239016B1 (fr) | 2009-04-06 | 2010-03-29 | Dispositif de rotation d'une pale d'amortisseur sur un registre coupe-feu |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2239016B1 (fr) |
AT (1) | ATE513592T1 (fr) |
BE (1) | BE1018012A3 (fr) |
ES (1) | ES2366942T3 (fr) |
PL (1) | PL2239016T3 (fr) |
SI (1) | SI2239016T1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1021275B1 (nl) * | 2014-06-16 | 2015-10-14 | Rf-Technologies Nv | Inrichting voor het verdraaien van een klepblad van een brandwerende ventilatieklep of een ontrokingsklep |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3143105A1 (de) * | 1981-10-30 | 1983-05-11 | Werner 2952 Weener Wildeboer | Vorrichtung fuer die verschwenkung des klappenblatts einer abserrklappe, insbesondere einer feuerschutzklappe fuer lueftungsanlagen |
DE10214243C1 (de) * | 2002-03-26 | 2003-11-27 | Werner Wildeboer | Brandschutzklappe |
DE10340719A1 (de) * | 2003-09-04 | 2005-04-14 | Werner Wildeboer | Brandschutzeinrichtung für eine lufttechnische Anlage |
-
2009
- 2009-04-06 BE BE2009/0212A patent/BE1018012A3/nl not_active IP Right Cessation
-
2010
- 2010-03-29 EP EP10003349A patent/EP2239016B1/fr active Active
- 2010-03-29 PL PL10003349T patent/PL2239016T3/pl unknown
- 2010-03-29 SI SI201030004T patent/SI2239016T1/sl unknown
- 2010-03-29 ES ES10003349T patent/ES2366942T3/es active Active
- 2010-03-29 AT AT10003349T patent/ATE513592T1/de active
Also Published As
Publication number | Publication date |
---|---|
ES2366942T3 (es) | 2011-10-26 |
PL2239016T3 (pl) | 2011-11-30 |
SI2239016T1 (sl) | 2011-10-28 |
ATE513592T1 (de) | 2011-07-15 |
BE1018012A3 (nl) | 2010-03-02 |
EP2239016A1 (fr) | 2010-10-13 |
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