EP1522329A1 - Clapet coupe-feu - Google Patents

Clapet coupe-feu Download PDF

Info

Publication number
EP1522329A1
EP1522329A1 EP03022364A EP03022364A EP1522329A1 EP 1522329 A1 EP1522329 A1 EP 1522329A1 EP 03022364 A EP03022364 A EP 03022364A EP 03022364 A EP03022364 A EP 03022364A EP 1522329 A1 EP1522329 A1 EP 1522329A1
Authority
EP
European Patent Office
Prior art keywords
flap
fire protection
protection closure
passage channel
fire
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.)
Granted
Application number
EP03022364A
Other languages
German (de)
English (en)
Other versions
EP1522329B1 (fr
Inventor
Dieter Betz
Thomas Kolb
Manfred Metzler
Eckhard Steinicke
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.)
Betz Dieter
Kolb Thomas
METZLER Manfred
Steinicke Eckhard
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to AT03022364T priority Critical patent/ATE404254T1/de
Priority to ES03022364T priority patent/ES2312705T3/es
Priority to EP03022364A priority patent/EP1522329B1/fr
Priority to DE50310326T priority patent/DE50310326D1/de
Publication of EP1522329A1 publication Critical patent/EP1522329A1/fr
Application granted granted Critical
Publication of EP1522329B1 publication Critical patent/EP1522329B1/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

Definitions

  • the invention relates to a fire protection closure for flow channels, especially for conveying, ventilation, exhaust ducts, wall openings or Like.
  • a valve body with a passageway in the mounted state of the fire stopper a section of the fire Flow channel forms, a pivotally mounted in the valve body Flap, the shape and size of the inner cross section of the passage channel is adapted and a drive device for the flap according to the The preamble of claim 1.
  • the invention further relates to a Method for cleaning the sealing area in a fire protection closure according to the preamble of claim 15
  • Fire protection closures are, for example, from DE 88 22 140 U1, DE 41 14 296 A1, DE 80 24 158 U1 or DE 39 32 868 A1, well known.
  • Such fire protection flaps serve, if necessary, in particular to close a flow channel in case of fire or flue gas evolution to prevent the spread of the fire or the flue gas.
  • the object of the present invention is in contrast, a Specify fire damper and a method, or the one adequate sealing between the flap and the passage also after a longer period of operation.
  • a key consideration of the present invention is that a insufficient sealing between the flap and the passageway often is due to contamination, especially deposits that itself, depending on the application after a short, otherwise at least after longer operating times have set in the passage.
  • scraper strips are provided according to the invention, the Passage channel when pivoting the plate free areas.
  • the method is based accordingly on a free-strip of the passage channel when pivoting the flap. In any case, by this free stripping the required for sealing between the flap and the passage Sealing area sufficiently cleaned, so that a reliable Seal between the flap and the passage can be achieved.
  • the flap in the area one of its front sides around a related to the cross section of fürlasskanals off-center bearing axis, which also completely from the Passage channel can be arranged displaced, be pivotally mounted.
  • the symmetrical design of the Flap around a central axis requires, is the flap around this central axis pivotally mounted in the passageway.
  • the flap may have a rectangular basic shape with four rectilinearly delimiting the end faces of the rectangular shape. In the case of storage about a central axis of the flap, the flap may also have a round or oval basic shape with a corresponding cross-sectional shape of the passage channel.
  • the flap and the passage are preferred Form cross-sectional shape
  • the cross-sectional shape of each with the Fire protection closure to be secured flow channel corresponds to to cause as few disturbing effects as possible.
  • valve housing at Off-center storage of the flap on one side of the passage channel a Niche, which is designed to receive the flap in the open state, on.
  • the inventive Wiper strips which are on the side End faces are formed, wherein the lateral scraper strips at least in the area of the bearing axis of the flap throughout Schwenkweges permanently on the passage channel effect a free stripe.
  • one or two frontal wiper strips (also) on the or the distally spaced from the bearing axis end faces arranged.
  • These scraper blades approach the inner walls of the Passage channel only when approaching the closed position, so here a free stride shortly before reaching the closed position, but under Achievement of sufficient free stratification in the sealing area is achieved.
  • adjusting devices are also provided provided to the gap width between scraper strips and the To adjust side surfaces. These adjustment devices can be in a particularly simple, yet functional design such be formed so that they formed in the scraper strips slots and the scraper strips by means of screws on a suitable Slot position can be fixed to the flap.
  • circumferential Rauchgasabdichtstoff provided, in particular may be formed in the form of a sealing lip to in the closed Condition of the flap to ensure a flue gas seal.
  • a key consideration of the method according to the invention is that with pivoting the flap of the passage at least partially is stripped and / or cleaned.
  • this is done in some areas Freistreifung or cleaning at least when pivoting the flap in Result of an alarm signal and / or fire.
  • a preferred Design is the regional free-climbing or cleaning but also made during a closing process in which no fire or Alarm signal is present. So also preventively a free stripe or Cleaning the passage channel done.
  • the regional free-stratification or Cleaning at fixed intervals made at least once becomes are especially preferred. These intervals can be annual, monthly or daily intervals or be defined in a suitable other form.
  • the fire protection closure may be in a first alternative Application in flow channels of air contaminated with oils or fats, especially used in commercial kitchens. Just here sit down particularly problematic contamination, especially deposits on the inner walls of the passage channel.
  • Another application of the fire protection closure according to the invention lies in the air conditioning technology. Also in flow channels for air conditioners put soiling, especially deposits, as they have a longer operating period, also a significant problem.
  • a third field of application is flow channels, in which materials, in particular particles are pneumatically conveyed.
  • materials in particular particles are pneumatically conveyed.
  • soiling and / or deposits especially the Problem that in case of failure or controlled shutdown of pneumatic conveying the extracted materials, especially particles stay in the flow channel and so also the closing process and / or sealing process of the flap can hinder.
  • the Freestreifung inventive sealing area is also here for the Use case of fire protection closure adequate sealing guaranteed.
  • a first embodiment of a fire protection closure is shown in a schematic sectional view.
  • the fire protection closure comprises a substantially cuboidal flap housing 11 which delimits a rectilinear passage opening 14 which is open in each case at the end and is widened on one side (in FIG. 1 on the upper side) to form a niche 40.
  • a flap 12 is mounted pivotably about a bearing axis A a off-center relative to the flow cross-section of the passage channel.
  • the drive of the flap 12 via a known drive device, which engage on Anlenk wornen 22, 23.
  • the structure of the Anlenk Hughes, 23 and the drive are familiar to the expert and are therefore not shown here specifically.
  • the flap 12 is formed of fire-retardant material and has a matched to the inner cross-section of the passage 14 outer contour.
  • the right-angled flap 12 in the present embodiment has flue gas sealing means 39 on two opposite lateral end faces 15, 16 as well as on their end faces 17, 18 parallel to the off-center bearing axis A a , which are formed here in the form of a circumferential sealing lip.
  • the Rauchgasabdichtstoff 39 in particular the sealing lip expediently consist of elastic material, in particular rubber. Alternatively, less elastic materials with good sealing effect, such as plastic, an asbestos braid or, for example, a glass filament fabric can be used. Conveniently, the Rauchgasabdichtstoff consist of a heat-resistant material.
  • the flue gas sealing means 39 in particular, the circumferential sealing lip must therefore only in case of fire initially withstand the heat that occurs as soon as the Intumescent seals 28 to 31 are swollen, becomes a seal also achieved by the Intumeszenzabdichtungen.
  • the flue gas sealant can be made so heat resistant that in case of fire over the entire course of fire the seal also can be maintained without Intumeszenzabdichtitch 28 to 31.
  • Scraper strips 19 to 21 arranged when pivoting the flap 12 a section-free free strip of the inner walls of the passage channel 14 at least in the necessary area for sealing between the flap 12 and passage channel 14 effect.
  • the scraper strips 19 to 21 can be formed in any way. Appropriately, they consist of a metal strip of sufficient thickness, the front edge of the Free strip of the passage channel 14 is used. Instead of a of course, other cutting or Blade shapes should be considered to be as convenient as possible Freistreifung, in particular removal of deposits, etc. to achieve.
  • FIG. 2 the valve body 11 of FIG. 1 in a schematic view in Front view (in a direction of flow of the passage 14th parallel direction) - with oversized shown here Wiper strips 19 to 21 - illustrated.
  • the scraper strips 19 to 21 and the Rauchgasabdichtstoff 39, here as a sealing lip are formed, the complete flow cross section the passageway at right angles to the flow direction of the Passage channel 14 standing flap 12 closed.
  • the passageway 14 is smoke-tight even against slight overpressure or underpressure.
  • Fig. 3 the arrangement of the flap 12 in the passageway 14 in the closed state is illustrated in more detail.
  • the circumferential sealing lip 39 here is clamped between two adjoining half-elements 41, 42, which form the flap 12.
  • the intumescent seals 30, 31 are attached directly to the flap 12. Only in the region of the off-center pivot axis A a facing end side 18 in the present embodiment in the niche 40, the Intumeszenzabdichtung 28, 29 are not arranged on the flap 12 but the flap housing 11, specifically in the corner 43 of the niche 40.
  • the flap 12 is shown in the open position, ie in its position pivoted completely out of the flow cross section of the passage channel 14.
  • a end face 17 and in the region of its lateral end faces 15, 16 is sealed against a passage 14 remote from the wall 37 of the niche 40 by the Abstreiferangn 19 to 21 and / or the circumferential sealing lip 39.
  • a niche sealant which is embodied concretely here as a sealing nonwoven 36, is also arranged between the passage channel 14 and the flap 12.
  • the sealing fleece 36 is flexible and can follow (as can be seen from the illustration in FIG. 3) a pivoting movement of the flap 12.
  • the flap 12 serves at the same time to protect the opposite wall 37 of the niche 40 from contamination.
  • Fig. 5 is a simple, but expedient embodiment of Adjusting the scraper strips 19, 20, 21 on a flap 12th illustrated.
  • the wiper strips 19, 20, 21 have slots 35, with the help of which when mounting the scraper strips 19, 20, 21 at the Flap 12 by means of screws 34, the exact position, in particular the Projection of the wiper strips 19, 20, 21 with respect to the flap 12th can be set.
  • FIGS. 6 and 7 illustrate an alternative embodiment of a fire protection closure in a schematic representation.
  • the flap housing 11 here has a passage channel 14 with a circular cross-section.
  • a likewise circular flap 12 is pivotally mounted about a central axis A s . Outside a circumferential around the circular flap 12 scraper strip 21 'is provided.
  • other cross-sectional shapes such as rectangular or square cross-sectional shapes for flap 12 and passage 14 may be considered, wherein in the pivoted by 90 ° open position, the flap 12 always remains in the flow cross-section of the passage 14 and a flow obstacle forms.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Lift Valve (AREA)
  • Special Wing (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Constitution Of High-Frequency Heating (AREA)
  • Air-Flow Control Members (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
EP03022364A 2003-10-06 2003-10-06 Clapet coupe-feu Expired - Lifetime EP1522329B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT03022364T ATE404254T1 (de) 2003-10-06 2003-10-06 Brandschutz-verschluss
ES03022364T ES2312705T3 (es) 2003-10-06 2003-10-06 Compuerta cortafuegos.
EP03022364A EP1522329B1 (fr) 2003-10-06 2003-10-06 Clapet coupe-feu
DE50310326T DE50310326D1 (de) 2003-10-06 2003-10-06 Brandschutz-Verschluss

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03022364A EP1522329B1 (fr) 2003-10-06 2003-10-06 Clapet coupe-feu

Publications (2)

Publication Number Publication Date
EP1522329A1 true EP1522329A1 (fr) 2005-04-13
EP1522329B1 EP1522329B1 (fr) 2008-08-13

Family

ID=34306833

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03022364A Expired - Lifetime EP1522329B1 (fr) 2003-10-06 2003-10-06 Clapet coupe-feu

Country Status (4)

Country Link
EP (1) EP1522329B1 (fr)
AT (1) ATE404254T1 (fr)
DE (1) DE50310326D1 (fr)
ES (1) ES2312705T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010056392B4 (de) * 2010-12-28 2015-02-19 Gert Bartholomäus Einseitig schwenkbar gelagerte Brandschutzklappe mit verbesserter Dichtungswirkung

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1342778A (en) * 1970-06-20 1974-01-03 Trox Gmbh Geb Closure device for fire panels in ventilation and air-conditioning plants
DE2622147A1 (de) * 1976-05-19 1977-12-01 Schako Metallwarenfabrik Feuerschutzeinrichtung fuer luftkanaele
DE8024158U1 (de) 1979-12-05 1982-09-02 Hess & Cie., Pilgersteg, Inhaber Hofmann & Cie., 8630 Rüti, Zürich Brandschutzklappe
DE8322140U1 (de) 1983-07-06 1983-11-17 "Stäfa" Ventilator AG, 8712 Stäfa Brandschutzarmatur
DE3932868A1 (de) 1988-10-05 1990-04-12 Janka Zrl Radotin Statni Podni Sicherheitsabsperrklappe gegen feueruebertragung durch lufttechnische rohrleitungen
AU624288B2 (en) * 1990-04-18 1992-06-04 Jackson International Pty. Limited Seal for fire dampers
DE4114296A1 (de) 1991-05-02 1992-11-05 Schako Metallwarenfabrik Brandschutzklappe
EP0829689A1 (fr) * 1996-09-11 1998-03-18 Aldes Aeraulique Système d'étanchéité pour dispositif d'obturation d'un conduit de ventilation, notamment pour clapet coupe-feu ou trappe de désenfumage

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1342778A (en) * 1970-06-20 1974-01-03 Trox Gmbh Geb Closure device for fire panels in ventilation and air-conditioning plants
DE2622147A1 (de) * 1976-05-19 1977-12-01 Schako Metallwarenfabrik Feuerschutzeinrichtung fuer luftkanaele
DE8024158U1 (de) 1979-12-05 1982-09-02 Hess & Cie., Pilgersteg, Inhaber Hofmann & Cie., 8630 Rüti, Zürich Brandschutzklappe
DE8322140U1 (de) 1983-07-06 1983-11-17 "Stäfa" Ventilator AG, 8712 Stäfa Brandschutzarmatur
DE3932868A1 (de) 1988-10-05 1990-04-12 Janka Zrl Radotin Statni Podni Sicherheitsabsperrklappe gegen feueruebertragung durch lufttechnische rohrleitungen
AU624288B2 (en) * 1990-04-18 1992-06-04 Jackson International Pty. Limited Seal for fire dampers
DE4114296A1 (de) 1991-05-02 1992-11-05 Schako Metallwarenfabrik Brandschutzklappe
EP0829689A1 (fr) * 1996-09-11 1998-03-18 Aldes Aeraulique Système d'étanchéité pour dispositif d'obturation d'un conduit de ventilation, notamment pour clapet coupe-feu ou trappe de désenfumage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010056392B4 (de) * 2010-12-28 2015-02-19 Gert Bartholomäus Einseitig schwenkbar gelagerte Brandschutzklappe mit verbesserter Dichtungswirkung

Also Published As

Publication number Publication date
DE50310326D1 (de) 2008-09-25
ATE404254T1 (de) 2008-08-15
ES2312705T3 (es) 2009-03-01
EP1522329B1 (fr) 2008-08-13

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