EP0447944B1 - Volet coupe-feu - Google Patents

Volet coupe-feu Download PDF

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Publication number
EP0447944B1
EP0447944B1 EP91103869A EP91103869A EP0447944B1 EP 0447944 B1 EP0447944 B1 EP 0447944B1 EP 91103869 A EP91103869 A EP 91103869A EP 91103869 A EP91103869 A EP 91103869A EP 0447944 B1 EP0447944 B1 EP 0447944B1
Authority
EP
European Patent Office
Prior art keywords
flap
frame
flap wing
fire protection
wing
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
Application number
EP91103869A
Other languages
German (de)
English (en)
Other versions
EP0447944A1 (fr
Inventor
Gottfried Müller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schako KG
Original Assignee
Schako Metallwarenfabrik Ferdinand Schad KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schako Metallwarenfabrik Ferdinand Schad KG filed Critical Schako Metallwarenfabrik Ferdinand Schad KG
Publication of EP0447944A1 publication Critical patent/EP0447944A1/fr
Application granted granted Critical
Publication of EP0447944B1 publication Critical patent/EP0447944B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • 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 invention relates to a fire damper consisting of a frame with an air passage opening and a flap wing arranged in the frame, which is adapted approximately to the cross-section of the frame, with a sealing element or material that expands or foams at an elevated temperature at least partially at the edge in a receiving groove of a flap wing is arranged.
  • Such fire dampers are commercially available in a variety of forms. They are usually integrated in an air duct system, for example in an air conditioning system, and serve to block the air duct in this system in the event of a fire, so that on the one hand a fire in a room no longer receives food and on the other hand a fire does not spread the air duct system can spread to other rooms.
  • the flap wing During normal operation of the air duct system, the flap wing is in the open position, i.e. usually tilted in the direction of the air flow. For this reason, such flap vanes usually have axially penetrating axle shafts around which the flap vanes rotate.
  • other articulations of the flap wing are also conceivable here and are intended to be encompassed by the present invention.
  • the flap is usually held in the open position by a fusible link or the like.
  • a fusible link or the like When elevated temperatures occur, usually above 72 ° C, this solder melts and releases a mechanism by which the flap wing is turned in the closed position. So that the flap wing can optimally perform its function in this closed position, the flap wing must be adequately sealed from the frame. This seal represents a major problem, especially since the flap wing curls as the temperature rises, thus enlarging an existing edge gap between the frame and the flap wing.
  • DE-A 2 335 393 discloses a fire protection arrangement for ventilation systems with an air shaft, a fire protection flap arranged in the air shaft and pivotably mounted about an axis projecting through the air shaft, and a triggering device which responds in the event of a fire.
  • the fire damper is provided on at least two edges with a fire-resistant sealing strip, which is pressed against the adjacent air duct wall by the force of at least one spring.
  • the spring To actuate the sealing strip, the spring must be made of bimetal, so that the pressure exerted by the spring on the sealing strip increases when heated.
  • a fire damper is known from GB-A 1 353 576, in which a flap wing has gutters on the edge has in which a substance foaming under the action of heat is inserted.
  • the present invention has for its object to provide a fire damper of the above. To develop a way in which an optimal sealing of the air outlet opening is achieved by the flap wing in the event of a fire, but in which the individual elements can be easily assembled for their manufacture.
  • the receiving channel is formed by a cross-sectionally U-shaped profile strip and the legs of the profile strips are formed by envelopes grooves into which a front and back plate of the flap wing are inserted.
  • This profile strip facilitates the assembly of the flap wing, since, for example, a flap can be formed on the lateral legs of the U-shaped profile strips, into which a corresponding front or back plate of the flap wing is inserted. In this way, a hollow flap wing is obtained, which can then be filled with appropriate insulating material, which can withstand elevated temperatures and also counteracts deformation of the flap wing.
  • the sealing material for the edge of the flap wing relative to the frame is primarily a plastic material which begins to foam at elevated temperatures and thus closes the gap between the flap wing and frame. It is important that this sealing material is embedded on the edge in corresponding receiving grooves in the flap wing. As a result, the sealing material does not interfere with the normal operation of the flap wing.
  • the foaming or expanding sealing element or material is covered by a rail. If the material then expands, it presses the rail against the frame and thus closes the gap between the flap wing and the frame.
  • the flap wing is at least partially covered with a reinforcing strip on the edge.
  • This reinforcing strip is expediently located under the sealing element or material.
  • a suitable thickness is selected for the reinforcement strip so that arching of the flap wing is counteracted.
  • reinforcement strips of this type are in any case arranged on the edge, so that the axle shaft has a corresponding holder.
  • a profile is stamped around the flap wing in the closed position in the frame.
  • This profile can be directed outwards so that the expanding or foaming material or the rail slides into a corresponding channel.
  • the profiling takes place from the outside, so that the frame raises a wall inwards, against which the rail then strikes and against which the rail rests in a sealing manner.
  • stop bracket The special function of the stop bracket is therefore that they hold additional sealing elements or materials that expand or foam, particularly in the event of a fire. This ensures a further very good sealing of the gap between the flap wing and the frame in the closed position of the flap wing.
  • the stop brackets form a channel that runs around the edge and is assigned to the gap between the flap wing and the frame. Furthermore, this channel should preferably be filled with two different sealing materials.
  • One, namely the upper sealing material consists, for example, of normal sealing strips, which also enable a certain sealing of the flap wing in normal operation. Even in normal operation, the flap is closed under certain circumstances, these sealing strips then take over the appropriate sealing.
  • a fire damper R consists of a frame 1, which forms a square housing for a damper wing 5.
  • Side strips 2 are folded on all sides of the frame 1.
  • two side strips 2 are connected by screws, rivets 3 or the like with fastening angles 4.
  • fastening angles 4 For fastening the frame 1 to channels of an air guidance system, not shown in detail, these fastening angles 4 each have an elongated hole 6 in their corner regions.
  • a circumferential profiling which has a U-shaped shape, is formed approximately in the center of the frame 1. This profiling creates a channel 7 in the frame 1 at the top and bottom, since it points outwards, while it is directed laterally inwards and thus forms a wall 8.
  • the flap wing 5 is supported in these side walls 8.
  • bearing sleeves 13, which surround corresponding bearing shells 14, are formed out of the lateral walls 8 according to FIG.
  • the bearing shells 14 are penetrated by an axle shaft 12 which rotates in these bearing shells 14.
  • the axle shaft 12 is rectangular in cross section, so that when it rotates about the axis A of the flap 5 can be moved in the direction z.
  • an actuating lever 15 is pushed on and connected to the axle shaft 12 in a rotationally fixed manner via a pin 16.
  • This control lever 15 is attacked by a spring 17, which causes the flap leaf 5 to be rotated in the closed position via the control lever 15.
  • the adjusting lever 15 is held by a fusible link, not shown, so that the flap wing 5 is open. Only when this fusible link breaks as a result of an increase in temperature, in particular above 72 ° C., does the axle shaft 12 rotate counter to the direction of rotation z, which is done by actuating the actuating lever 15 by means of the spring 17.
  • Both the control lever 15 and the opposite bearing of the axle shaft 12 are provided with a cover 18 and 19, respectively.
  • the flap wing 5 itself consists of sheet steel plates 9, between which an insulation, for example made of glass fiber material 10, rock wool material, plaster 11 or another insulating material, is arranged.
  • the sheet steel plates 9 are kept at a distance from one another by circumferential profile strips 20.
  • Each profile strip 20 is U-shaped, the respective lateral legs of the U forming a groove 21 for the sheet steel plates 9 by means of an envelope. In this way, the profile strips 20 encompass the sheet steel plates 9 with their side legs and form a receiving groove 22 on the outside (see FIG. 3).
  • a reinforcing strip 23 is inserted, which has sufficient strength so that it can serve as a stiffening of the flap wing 5. It is also used for storage, i.e. the mounting of the axle shaft 12. For this purpose, it should be advisable to fix the reinforcing bar 23 in the receiving groove 22.
  • the receiving channel 22 is covered by an inserted rail 24, which rail 24 also overlaps the reinforcing strip 23.
  • a material 26 which foams under the influence of temperature.
  • the flap wing 5 is closed when a certain temperature is exceeded. Due to the effect of temperature, the material 26 foams and presses the rail 24 outwards, laterally against the ramparts 8 and up and down into the channel 7 in each case. As a result, a very good seal is achieved.
  • the flap wing 5 is assigned a stop bracket 27 in the upper region.
  • Another stop bracket 28 is located behind the flap wing 5 in the lower region.
  • Each of these stop angles 27 and 28 is U-shaped and has a longitudinal strip 29 and two side strips 30 and 31. In cross-section, the stop angles 27 and 28 are step-shaped, as can be seen in particular in FIG.
  • an edge-side channel 32 is formed towards the frame 1, which is used to hold sealing material 33.
  • Two different types of sealing materials are preferably located in the channel 32, a sealing material being arranged in front of the flap wing 5. This sealing material seals very well when cold and consists, for example, of conventional sealing strips, especially of abrasion-resistant material. Additional sealing material, for example also as a strip, is installed behind these sealing strips, these sealing materials, however, only foaming when a certain temperature is reached and thus pressing the preceding sealing material against the flap wing 5. This results in an additional sealing of the flap wing 5.
  • the tightness is further increased by the fact that the sealing material located in the channels 32 encases the folds of the profile strips 20, which comprise the steel sheet plates 9, and penetrates into the areas between the wall and the flap wing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Public Health (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
  • Special Wing (AREA)
  • Building Environments (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Claims (7)

  1. Volet coupe-feu comportant un châssis avec un passage d'air et un battant basculant monté dans le châssis et qui est adapté sensiblement à la section du châssis, caractérisé en ce que le battant (5) est occupé au moins partiellement par un élément ou matériau d'étanchéité (26) qui se dilate ou se distend à température élevée et/ou au battant (5) est associée une cornière de butée (27, 28) pour sa position de fermeture, cornière qui assure au moins l'étanchéité partielle du battant (5) par rapport au châssis (1).
  2. Volet coupe-feu selon la revendication 1, caractérisé en ce que le matériau (26) est mis dans une goulotte de réception (22).
  3. Volet coupe-feu selon la revendication 2, caractérisé en ce que la goulotte de réception (22) est formée par un profilé (20) à section en U.
  4. Volet coupe-feu selon la revendication 3, caractérisé en ce que les branches des longerons profilés (20) forment par rabattement une rainure (21) dans laquelle on glisse la plaque avant et la plaque arrière (9) formant le battant (5).
  5. Volet coupe-feu selon au moins l'une des revendications 1 à 4, caractérisé en ce que l'élément ou le matériau d'étanchéité (26) qui se dilate ou se distend est recouvert par un rail (24).
  6. Volet coupe-feu selon au moins l'une des revendications 1 à 5, caractérisé en ce que le battant (5) est occupé au moins partiellement au niveau du bord, sous l'élément ou le matériau d'étanchéité (26) par un longeron de renforcement (23).
  7. Volet coupe-feu selon l'une des revendications 4 à 6, caractérisé par un matériau isolant entre la plaque avant et la plaque arrière (9).
EP91103869A 1990-03-17 1991-03-14 Volet coupe-feu Expired - Lifetime EP0447944B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4008686A DE4008686A1 (de) 1990-03-17 1990-03-17 Brandschutzklappe
DE4008686 1990-03-17

Publications (2)

Publication Number Publication Date
EP0447944A1 EP0447944A1 (fr) 1991-09-25
EP0447944B1 true EP0447944B1 (fr) 1995-01-04

Family

ID=6402500

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91103869A Expired - Lifetime EP0447944B1 (fr) 1990-03-17 1991-03-14 Volet coupe-feu

Country Status (3)

Country Link
EP (1) EP0447944B1 (fr)
AT (1) ATE116734T1 (fr)
DE (2) DE4008686A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240059356A1 (en) * 2022-08-18 2024-02-22 Toyota Motor Engineering & Manufacturing North America, Inc. Pillar channel seals and vehicles including same

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19510476C1 (de) * 1995-03-27 1996-09-26 Werner Wildeboer Brandschutz-Absperrung für eine lufttechnische Anlage
DE19619100A1 (de) * 1996-05-06 1997-11-13 Schoettler Lunos Lueftung Thermisch ansprechendes Freigabe- oder Betätigungselement
GB0029381D0 (en) * 2000-12-01 2001-01-17 Tri Air Innovations Ltd Air flow controller and fire damper in air flow duct
WO2002043810A2 (fr) 2000-12-01 2002-06-06 Tri-Air Innovations Limited Regulateur d'ecoulement d'air et registre coupe-feu dans un canal de circulation d'air
ES2232279B1 (es) * 2003-04-25 2006-08-01 Shako Metallwarenfabrik Ferdinand Schad Kg Compuerta cortafuegos para conductos de ventilacion y aire acondicionado.
FI118457B (fi) * 2005-12-13 2007-11-30 Flaekt Woods Ab Palopellin sulkuläppä
FR2898062B1 (fr) * 2006-03-03 2008-10-03 Yvroud Europ Des Fluides Sa Volet coupe-feu destine a etre integre dans un tunnel et procede de montage d'un tel volet dans un tunnel
GB0717018D0 (en) * 2007-08-01 2007-10-10 Ruskin Air Man Ltd A damper
DE202008014234U1 (de) * 2008-10-25 2008-12-24 Krensel Gmbh Brandschutztechnische Bausysteme Brandschutz-/Entrauchungseinrichtung
EP3366356B8 (fr) * 2017-02-23 2021-09-01 Trox GmbH Clapet, en particulier clapet coupe-feu
US10695598B2 (en) * 2017-08-28 2020-06-30 Justrite Manufacturing Company, Llc Vented safety cabinet with thermally-actuated damper
CN116608518A (zh) * 2023-05-17 2023-08-18 江苏永信医疗科技有限公司 一种正负压可切换安全型洁净室

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1353576A (en) * 1971-12-21 1974-05-22 Trox Gmbh Geb Fireprotection flap valves

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB135376A (fr) * 1900-01-01
GB1353376A (en) * 1971-07-08 1974-05-15 Johnston Bros Shropshire Ltd Tool for removing obstructions from stone-crushing apparatus
DE2335393B2 (de) * 1973-07-12 1977-11-03 Schako Metallwarenfabrik Ferdinand Schad Kg, 7201 Kolbingen Feuerschutzanordnung fuer lufttechnische anlagen mit einem luftschacht
DE59000421D1 (de) * 1989-03-23 1992-12-10 Theo Schroeders Feuerschutztuer.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1353576A (en) * 1971-12-21 1974-05-22 Trox Gmbh Geb Fireprotection flap valves

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240059356A1 (en) * 2022-08-18 2024-02-22 Toyota Motor Engineering & Manufacturing North America, Inc. Pillar channel seals and vehicles including same
US12151744B2 (en) * 2022-08-18 2024-11-26 Toyota Motor Engineering & Manufacturing North America, Inc. Pillar channel seals and vehicles including same

Also Published As

Publication number Publication date
DE4008686A1 (de) 1991-09-19
EP0447944A1 (fr) 1991-09-25
DE59104110D1 (de) 1995-02-16
ATE116734T1 (de) 1995-01-15

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