EP1038555A2 - Brandschutzklappe - Google Patents
Brandschutzklappe Download PDFInfo
- Publication number
- EP1038555A2 EP1038555A2 EP00105441A EP00105441A EP1038555A2 EP 1038555 A2 EP1038555 A2 EP 1038555A2 EP 00105441 A EP00105441 A EP 00105441A EP 00105441 A EP00105441 A EP 00105441A EP 1038555 A2 EP1038555 A2 EP 1038555A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- weight
- fire damper
- housing
- butterfly valve
- damper according
- 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.)
- Withdrawn
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
- A62C2/12—Hinged dampers
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/06—Physical fire-barriers
- A62C2/065—Physical fire-barriers having as the main closure device materials, whose characteristics undergo an irreversible change under high temperatures, e.g. intumescent
Definitions
- the invention relates to a fire damper with a Housing for a butterfly valve pivotally mounted therein, the housing being one along the circumference of the closed Has a butterfly valve extending chamber, which contains a material that expands under heat.
- fire dampers are different in practice Executions known. That which expands under heat Material is closed in the area of the stops Butterfly valve arranged and should also expand beyond the perforated housing wall, see above that joints between the housing and the surrounding masonry be sealed.
- the material used is vermiculite (Expandable graphite). This is a mica-like material that when heated many times its original Volume expands. That between the individual mica layers Any water present drives them in a harmonic shape apart. The layer structure is not stable, and it is also gas permeable. This takes the protective function of the fire damper over time from.
- the object of the invention is to provide the protective function Improve fire damper.
- the material in the chamber is essentially sodium silicate and chloroprene rubber containing synthetic elastomer. Surprisingly, this material meets all requirements even when the fire damper is under constant load. It expands and seals with the appropriate heat load reliable even with prolonged exposure to heat and smoke, because there are no joints even when expanded or column for the passage of smoke.
- a material of this composition is under the trade name 3M FS-195 E-FIS + from 3M-Company. It was previously used for fire protection panels or fire protection strips used, but not with fire dampers.
- the chamber is preferably composed of one of two rotating, inward beading limited section the housing wall is formed. That makes it easy Manufacture of the housing and leads to a stable housing with stable chamber.
- the limited by the beads Section of the housing wall is perforated so that the material that expands when exposed to heat also through the perforation to the outside of the housing can expand to the housing there z. B. opposite to seal a surrounding masonry.
- the perforation should consist of several rows of each other staggered slots exist, so that from the Slitting material strands emerge without any remaining Combine gaps or joints again.
- the butterfly valve bearing journals guided through the housing wall have the inside and / or outside on Housing of sealing washers from under heat expanding material are surrounded. This ensures that also the butterfly valve bearings against the passage of smoke is sealed.
- To the fire damper includes a housing 1, which in the shown execution a circular cross-section owns. Rectangular to square cross sections are possible.
- a bracket 2 is attached to the outside of the housing, in the parts of the swivel drive for a stored in the housing 1
- Butterfly valve 3 are housed.
- the butterfly valve 3 has two bearing journals 4 aligned with one another on the bearing bushings 5 on opposite sides the housing wall 6 are mounted.
- One of the trunnions 4 is connected to a lever 7 by hand or with a drive, not shown, can be operated.
- the open butterfly valve 3 is shown.
- a chamber 8 which consists of one of two rotating, inward beading 9 limited section 10 of the housing wall 6 is formed.
- This section 10 is aligned with the embodiment shown the housing wall 6.
- the section 10 is perforated.
- the Perforation consists of several rows of against each other offset slots 11.
- Sealing washers are made of the same material 13, the bearing bushes 5 and bearing pins 4 of the butterfly valve 3 surround, as shown in Fig. 3, on the one hand inside the housing wall 6 and on the other hand on both sides of the housing wall 6.
- the synthetic stretches Elastomer and seals the circumference of the butterfly valve 3 opposite the inside of the housing wall 6 as well as the storage of the butterfly valve 3. Also the synthetic elastomer passes through the slots 11 and does not seal the outside of the housing against you shown masonry. Because the synthetic elastomer a uniform structure even when expanded has no gaps or joints that functionality in the event of prolonged exposure to heat or smoke the fire damper.
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Lift Valve (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Insulated Conductors (AREA)
Abstract
Description
- Fig. 1
- schematisch und teilweise geschnitten die Seitenansicht einer Brandschutzklappe,
- Fig. 2
- schematisch und in vergrößertem Maßstab einen Axialschnitt im Bereich des als Kammer ausgebildeten Gehäuseabschnitts und
- Fig. 3
- schematisch einen Axialschnitt durch die Brandschutzklappe im Bereich der Lagerung der Absperrklappe.
Claims (7)
- Brandschutzklappe mit einem Gehäuse (1) für eine darin schwenkbar gelagerte Absperrklappe (3), wobei das Gehäuse (1) eine sich längs des Umfangs der geschlossenen Absperrklappe (3) erstreckende Kammer (8) aufweist, die ein sich unter Wärme ausdehnendes Material enthält, dadurch gekennzeichnet, dass das Material in der Kammer (8) ein im Wesentlichen Natriumsilikat und Chloroprenkautschuk enthaltendes synthetisches Elastomer ist.
- Brandschutzklappe nach Anspruch 1, dadurch gekennzeichnet, dass das Material besteht aus:32,5 bis 45,0 Gew.% Natriumsilikat,20,0 bis 30,0 Gew.% Chloroprenkautschuk,4,5 bis 10,8 Gew.% Wasser,6,5 bis 10,2 Gew.% Borsäure,4,0 bis 10,0 Gew.% Aluminiumhydroxid,3,0 bis 10,0 Gew.% naphtenhaltige Erdölderivate,1,0 bis 3,1 Gew.% Zinkoxid und1,0 bis 5,0 Gew.% Eisen-III-oxid.
- Brandschutzklappe nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Kammer (8) aus einem von zwei umlaufenden, nach innen gerichteten Sicken (9) begrenzten Abschnitt (10) der Gehäusewandung (6) gebildet ist.
- Brandschutzklappe nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der von den Sicken (9) begrenzte Abschnitt (10) der Gehäusewandung (6) perforiert ist.
- Brandschutzklappe nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Perforation aus mehreren Reihen von in Umfangsrichtung gegeneinander versetzten Schlitzen (11) besteht.
- Brandschutzklappe nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die Absperrklappe (3) durch die Gehäusewandung (6) hindurchgeführte Lagerzapfen (4) aufweist, die innenseitig und/oder außenseitig am Gehäuse (1) von Dichtungsscheiben (13) aus dem sich unter Wärme ausdehnenden Material umgeben sind.
- Brandschutzklappe nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass die Absperrklappe (3) eine Dicke von ca. 20 mm aufweist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29905167U | 1999-03-20 | ||
| DE29905167U DE29905167U1 (de) | 1999-03-20 | 1999-03-20 | Brandschutzklappe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1038555A2 true EP1038555A2 (de) | 2000-09-27 |
| EP1038555A3 EP1038555A3 (de) | 2001-06-13 |
Family
ID=8071174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP00105441A Withdrawn EP1038555A3 (de) | 1999-03-20 | 2000-03-15 | Brandschutzklappe |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1038555A3 (de) |
| DE (1) | DE29905167U1 (de) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1684026A1 (de) * | 2005-01-21 | 2006-07-26 | Martin Reuter | Automatisch schliessender Oeffnungsverschluss |
| WO2007068788A1 (en) | 2005-12-13 | 2007-06-21 | Fläkt Woods AB | Fire damper duct sleeve |
| WO2007068786A1 (en) | 2005-12-13 | 2007-06-21 | Fläkt Woods AB | Fire damper blade |
| EP2044978A1 (de) * | 2007-10-06 | 2009-04-08 | Bartholomäus, Gert | Brandschutz-Absperrung für Rohrleitungen |
| US20200298035A1 (en) * | 2017-08-28 | 2020-09-24 | Justrite Manufacturing Company, L.L.C. | Vented safety cabinet with thermally-actuated damper |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008000689U1 (de) * | 2008-01-18 | 2008-03-27 | Trox Gmbh | Brandschutzklappe |
| DE102012012823B4 (de) * | 2012-06-28 | 2020-02-06 | Diehl Defence Gmbh & Co. Kg | Vorrichtung zum Heben und/oder Bewegen einer Last und Verwendung eines expandierbaren Feststoffes |
| BE1027692B1 (nl) * | 2019-10-18 | 2021-05-18 | Rf Tech Naamloze Vennootschap | Brandwerend ventilatie-element |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3724744A1 (de) * | 1987-07-25 | 1989-02-02 | Minnesota Mining & Mfg | Intumeszierendes feuerschutzmaterial |
| EP0338347A1 (de) * | 1988-04-07 | 1989-10-25 | Chemie Linz Gesellschaft m.b.H. | Latexgebundene Brandschutzmasse |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19510476C1 (de) * | 1995-03-27 | 1996-09-26 | Werner Wildeboer | Brandschutz-Absperrung für eine lufttechnische Anlage |
| GB2312841B (en) * | 1996-05-08 | 1999-06-30 | Environmental Seals Ltd | Fireproofed cabinets |
| FR2753104B1 (fr) * | 1996-09-11 | 1998-10-30 | Aldes Aeraulique | Systeme d'etancheite pour dispositif d'obturation d'un conduit de ventilation, notamment pour clapet coupe-feu ou trappe de desenfumage |
-
1999
- 1999-03-20 DE DE29905167U patent/DE29905167U1/de not_active Expired - Lifetime
-
2000
- 2000-03-15 EP EP00105441A patent/EP1038555A3/de not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3724744A1 (de) * | 1987-07-25 | 1989-02-02 | Minnesota Mining & Mfg | Intumeszierendes feuerschutzmaterial |
| EP0338347A1 (de) * | 1988-04-07 | 1989-10-25 | Chemie Linz Gesellschaft m.b.H. | Latexgebundene Brandschutzmasse |
Non-Patent Citations (2)
| Title |
|---|
| "3 Fire Barrier FS-195+ Wrap/Strip", 3M * |
| "3M E-FIS fire barrier expantrol flexible intumescent strip", no. 0266-1098, December 1998 (1998-12-01), Retrieved from the Internet <URL:http://www.areasrl.net/FIRE%20BARRIER/CD/3MFire_E/3MMedias_E/Medias/PDF_TSE/TS_E-Fis.pdf> [retrieved on 20070109] * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1684026A1 (de) * | 2005-01-21 | 2006-07-26 | Martin Reuter | Automatisch schliessender Oeffnungsverschluss |
| WO2007068788A1 (en) | 2005-12-13 | 2007-06-21 | Fläkt Woods AB | Fire damper duct sleeve |
| WO2007068786A1 (en) | 2005-12-13 | 2007-06-21 | Fläkt Woods AB | Fire damper blade |
| EP2044978A1 (de) * | 2007-10-06 | 2009-04-08 | Bartholomäus, Gert | Brandschutz-Absperrung für Rohrleitungen |
| US20200298035A1 (en) * | 2017-08-28 | 2020-09-24 | Justrite Manufacturing Company, L.L.C. | Vented safety cabinet with thermally-actuated damper |
| US11957942B2 (en) * | 2017-08-28 | 2024-04-16 | Justrite Manufacturing Company, L.L.C. | Vented safety cabinet with thermally-actuated damper |
| US20240261605A1 (en) * | 2017-08-28 | 2024-08-08 | Justrite Manufacturing Company, Llc | Vented safety cabinet with thermally-actuated damper |
Also Published As
| Publication number | Publication date |
|---|---|
| DE29905167U1 (de) | 1999-06-02 |
| EP1038555A3 (de) | 2001-06-13 |
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| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: GURNY, RUEDIGER Inventor name: DAMMERS, HEINRICH, DIPL.-ING., Inventor name: BUNGE, UDO |
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| 17P | Request for examination filed |
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| AKX | Designation fees paid |
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| 17Q | First examination report despatched |
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| RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
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| STAA | Information on the status of an ep patent application or granted ep patent |
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| 18W | Application withdrawn |
Effective date: 20080822 |