EP1779901A2 - Fire damper - Google Patents

Fire damper Download PDF

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Publication number
EP1779901A2
EP1779901A2 EP06460001A EP06460001A EP1779901A2 EP 1779901 A2 EP1779901 A2 EP 1779901A2 EP 06460001 A EP06460001 A EP 06460001A EP 06460001 A EP06460001 A EP 06460001A EP 1779901 A2 EP1779901 A2 EP 1779901A2
Authority
EP
European Patent Office
Prior art keywords
division
fixed
fire damper
axis
closed position
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
EP06460001A
Other languages
German (de)
French (fr)
Other versions
EP1779901A3 (en
EP1779901B1 (en
Inventor
Andrzej Szarycki
Krzysztof Kaczmarek
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.)
GREMPCO SA
Original Assignee
Ciat Sp Z O O
CIAT Sp zoo
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=37808001&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1779901(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ciat Sp Z O O, CIAT Sp zoo filed Critical Ciat Sp Z O O
Priority to PL06460001T priority Critical patent/PL1779901T3/en
Publication of EP1779901A2 publication Critical patent/EP1779901A2/en
Publication of EP1779901A3 publication Critical patent/EP1779901A3/en
Application granted granted Critical
Publication of EP1779901B1 publication Critical patent/EP1779901B1/en
Revoked legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • A62C2/241—Operating or controlling mechanisms having mechanical actuators and heat sensitive parts
    • A62C2/242—Operating or controlling mechanisms having mechanical actuators and heat sensitive parts with fusible links
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/14—Fire prevention, containment or extinguishing specially adapted for particular objects or places in connection with doors, windows, ventilators, partitions, or shutters, e.g. automatic closing

Definitions

  • Fire damper is the subject of the invention.
  • One of the problems that needs to be solved for making ventilation and air-conditioning installation is fire protection for vented or air-conditioned object.
  • Unprotected ventilation and air-conditioning ducts and pipes running through the elements of fire division are the way where fire is spread through that decrease fire protection level.
  • the solution for this problem is fitting inside those installations cut off elements that allow for walls, ceiling and floor structural fire protection integrity where the ventilation and/or air-conditioning ducts and pipes are run through. This way they protect other areas against hot smoke and gas and allow for regular installation operation.
  • Those elements are fire cut off flap valves that are elements of fire safety installed in the ventilation and/or air-conditioning ducts and pipes passages through the walls, ceiling and floors.
  • Patent literature offers various cut off flap valves solutions working in auto and controlled mode.
  • British patent claim nr GB 2 399 497 presents a cut off flap valve, placed outside the vent duct, equipped with spring tightening device. The flap is kept in open position by the outer wall of the vent duct. Duct closing results from losing stiffness by the heated vent duct. Flap thrust effected by the spring device on the wall of the vent duct results in progressing wall of the vent duct denting as long as the flow is completely cut off.
  • European patent claim nr EP 0 829 689 presents a flap valve fitted axially in the narrowing place inside the vent duct.
  • the narrow place it is a ring fixed in horizontal plane with flap rotation axis. Both the ring and the flap are formed in such a way that the flap rotating 90° rests against the pitch / thread made in the ring. Additionally, flexible plates are fitted on the flap and the ring, sealing the flap in the position closed.
  • the subject of his invention is the fire damper composed of the body where division is self-aligning fixed against the axis division of the closing spring device and releasing fuse link element; featured by the fact that the spring closing device and releasing fuse link element are placed inside the body in the plane perpendicular to the axis where the division is fixed on, and besides, there is a flexible sealing ring on the notch made in the circumference of the division that works closely with thermal expanding gasket located inside on the body wall in lateral plane corresponding to the position of the division in the closed position. It is also important that there are at least two rows of lengthwise holes on the body wall in lateral plane corresponding to the position of the division in the closed position, protecting against heat conduction along the vent duct walls. Apart from it typical feature is the fact of fixing switch limits installation inside the body monitoring division position. Fire damper's body is made in such a way its diameter equals the diameter of vent ducts.
  • fig. 1 presents longitudinal semi-view and semi-section of the fire damper in nipple make for closed position
  • fig. 2 presents longitudinal semi-view and semi-section of the cut off flap valve in sleeve make for closed position open
  • fig. 3 presents longitudinal view of the cut off flap valve with limit switches for position closed
  • Fig. 4 presents the detail of division execution in the sectional view.
  • Division 6 made of high temperature resistant metal was fixed diagonally in the pipe body 5 on bearings 4 axis 1 of division 6 , kept in open position with fuse - link releasing device 3 . Additionally division 6 is connected to body 5 with spring 2 . Spring closing device 2 and fuse - link releasing element 3 are fitted inside the body 5 in the plane perpendicular to axis 1 , where division 6 has been fixed. The division 6 has a notch 10 in the circumference, where flexible sealing ring 11 has been mounted that works closely with thermal expanding gasket 12 located inside on the body wall 5 in lateral plane corresponding to the position of the division 6 in the closed position.
  • Division position 6 monitoring is guarantied by employing limit switches, placed inside the body 5.
  • Bracket 7 has the switch limit installed 9 monitoring division 6 position for open position.
  • Limit switch 8 monitors division 6 position for closed position.
  • Body 5 of the valve has diameter similar to that for vent duct that makes installation fitting easier.
  • the valve can be made in two body 5 alternatives.
  • Nipple version for the body 5 has vent ducts' faucets put on the body ends; while sleeve alternative has vent ducts ends inserted into the body's interior 5.
  • flap valve is open. Area where the fire outbreak, is self-separated by closing the fire resisting division 6 due to temperature increase in th vent duct and releasing fuse switching 3 that results in potential energy release concentrated in the tightened spring of the closing device 2.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Flow Control Members (AREA)

Abstract

A Fire damper composed of the body where division is self-aligning fixed against the axis division of the closing spring device (2) and releasing fuse link element (3) are placed inside the body (5) in the plane perpendicular to the axis (1) where the division is fixed on (6), and besides, there is a flexible sealing ring (11) fixed on the notch made in the circumference of the division (6) that works closely with thermal expanding gasket (12) located inside on the body wall (5) in lateral plane corresponding to the position of the division (6) in the closed position. There can also be at least two rows of lengthwise holes (13) on the body wall (5) in lateral plane corresponding to the position of the division (6) in the closed position, protecting against heat conduction along the vent duct walls. Additional feature is the fact that there are limit switches (8) and (9) placed inside the body (5), monitoring division's position (6). The nipple or sleeve make allows for easier cut off flap valve mounting in the vent or air-conditioning installation.

Description

  • Fire damper is the subject of the invention. One of the problems that needs to be solved for making ventilation and air-conditioning installation is fire protection for vented or air-conditioned object. Unprotected ventilation and air-conditioning ducts and pipes running through the elements of fire division are the way where fire is spread through that decrease fire protection level. The solution for this problem is fitting inside those installations cut off elements that allow for walls, ceiling and floor structural fire protection integrity where the ventilation and/or air-conditioning ducts and pipes are run through. This way they protect other areas against hot smoke and gas and allow for regular installation operation. Those elements are fire cut off flap valves that are elements of fire safety installed in the ventilation and/or air-conditioning ducts and pipes passages through the walls, ceiling and floors.
  • Patent literature offers various cut off flap valves solutions working in auto and controlled mode. British patent claim nr GB 2 399 497 presents a cut off flap valve, placed outside the vent duct, equipped with spring tightening device. The flap is kept in open position by the outer wall of the vent duct. Duct closing results from losing stiffness by the heated vent duct. Flap thrust effected by the spring device on the wall of the vent duct results in progressing wall of the vent duct denting as long as the flow is completely cut off.
  • European patent claim nr EP 0 829 689 presents a flap valve fitted axially in the narrowing place inside the vent duct. The narrow place it is a ring fixed in horizontal plane with flap rotation axis. Both the ring and the flap are formed in such a way that the flap rotating 90° rests against the pitch / thread made in the ring. Additionally, flexible plates are fitted on the flap and the ring, sealing the flap in the position closed.
  • Another solution was given for the cut off flap valves construction described in Swedish patent claim nr SE 9003794 . Flap placed inside the body is fixed in the axis that as soon as leaves the body is bent at the right angle. Leaving outside bent end of the axis rests against fuse - link element that melts at high temperature releases it allowing spiral spring, placed in the axis of flap rotation to act. That makes flap rotate and closing gas flow.
  • The subject of his invention is the fire damper composed of the body where division is self-aligning fixed against the axis division of the closing spring device and releasing fuse link element; featured by the fact that the spring closing device and releasing fuse link element are placed inside the body in the plane perpendicular to the axis where the division is fixed on, and besides, there is a flexible sealing ring on the notch made in the circumference of the division that works closely with thermal expanding gasket located inside on the body wall in lateral plane corresponding to the position of the division in the closed position. It is also important that there are at least two rows of lengthwise holes on the body wall in lateral plane corresponding to the position of the division in the closed position, protecting against heat conduction along the vent duct walls. Apart from it typical feature is the fact of fixing switch limits installation inside the body monitoring division position. Fire damper's body is made in such a way its diameter equals the diameter of vent ducts.
  • The subject of his invention is displayed in fig. 1 presenting longitudinal semi-view and semi-section of the fire damper in nipple make for closed position, while fig. 2 presents longitudinal semi-view and semi-section of the cut off flap valve in sleeve make for closed position open, however, fig. 3 presents longitudinal view of the cut off flap valve with limit switches for position closed. Fig. 4 presents the detail of division execution in the sectional view.
  • Division 6, made of high temperature resistant metal was fixed diagonally in the pipe body 5 on bearings 4 axis 1 of division 6, kept in open position with fuse - link releasing device 3. Additionally division 6 is connected to body 5 with spring 2. Spring closing device 2 and fuse - link releasing element 3 are fitted inside the body 5 in the plane perpendicular to axis 1, where division 6 has been fixed. The division 6 has a notch 10 in the circumference, where flexible sealing ring 11 has been mounted that works closely with thermal expanding gasket 12 located inside on the body wall 5 in lateral plane corresponding to the position of the division 6 in the closed position. Besides, in order to protect against heat conduction along the body 5 there are at least two rows of lengthwise holes 13 on the body wall in lateral plane corresponding to the position of the division in the closed position 6, and the holes are displaced one against another. Division position 6 monitoring is guarantied by employing limit switches, placed inside the body 5. Bracket 7 has the switch limit installed 9 monitoring division 6 position for open position. Limit switch 8 monitors division 6 position for closed position.
  • Body 5 of the valve has diameter similar to that for vent duct that makes installation fitting easier. The valve can be made in two body 5 alternatives. Nipple version for the body 5 has vent ducts' faucets put on the body ends; while sleeve alternative has vent ducts ends inserted into the body's interior 5. During regular vent installation operation flap valve is open. Area where the fire outbreak, is self-separated by closing the fire resisting division 6 due to temperature increase in th vent duct and releasing fuse switching 3 that results in potential energy release concentrated in the tightened spring of the closing device 2. Optionally there is a possibility of adding in row to the release fuse device 3 an electromagnet that allows for division 6 position remote control.

Claims (4)

  1. The fire damper, composed of the body where division is self-aligning fixed against the axis division of the closing spring device (2) and releasing fuse link element (3) are placed inside the body (5) in the plane perpendicular to the axis (1) where the division is fixed on (6), and besides, there is a flexible sealing ring (11) fixed on the notch made in the circumference of the division (6) that works closely with thermal expanding gasket (12) located inside on the body wall (5) in lateral plane corresponding to the position of the division (6) in the closed position.
  2. The fire damper according to claim 1 is featured by the fact that there are at least two rows of lengthwise holes (13) on the body wall (5) in lateral plane corresponding to the position of the division (6) in the closed position, protecting against heat conduction along the vent duct walls.
  3. The fire damper according to claim 1 is featured by the fact that there are limit switches (8) and (9) placed inside the body (5), monitoring division's position (6).
  4. The fire damper according to claim 1 is featured by the fact that adding to the releasing fuse link device (3) an electromagnet in rows remote control for the division (6) is enabled.
EP06460001.8A 2005-10-27 2006-01-17 Fire damper Revoked EP1779901B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL06460001T PL1779901T3 (en) 2005-10-27 2006-01-17 Fire damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL377875A PL205587B1 (en) 2005-10-27 2005-10-27 Fire protection cut off flap

Publications (3)

Publication Number Publication Date
EP1779901A2 true EP1779901A2 (en) 2007-05-02
EP1779901A3 EP1779901A3 (en) 2010-03-10
EP1779901B1 EP1779901B1 (en) 2015-04-01

Family

ID=37808001

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06460001.8A Revoked EP1779901B1 (en) 2005-10-27 2006-01-17 Fire damper

Country Status (2)

Country Link
EP (1) EP1779901B1 (en)
PL (2) PL205587B1 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2080537A1 (en) * 2008-01-18 2009-07-22 TROX GmbH Fire protection flap
EP2123331A1 (en) 2008-05-19 2009-11-25 TROX GmbH Fire protection flap
EP2226101A1 (en) * 2009-03-03 2010-09-08 Schako Klima Luft Ferdinand Schad KG Fitting for a ventilation system
DE102010056392A1 (en) * 2010-12-28 2012-06-28 Gert Bartholomäus Fire protection flap for fire protection device, is placed in housing one-sided around hinge bearing, where housing seals in closing position by sealing together with sealing surface
EP2730315A1 (en) * 2012-11-12 2014-05-14 MP3 S.r.l. Improved fire damper
CN103994263A (en) * 2014-05-28 2014-08-20 靖江市八达暖通设备制造有限公司 Manual and electric actuator of fireproof smoke exhaust damper
KR20220113618A (en) * 2021-02-06 2022-08-16 신승용 The duct pipe connector for the fire diffusion prevention equipped with the fireproof insulation damper

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2523322A1 (en) 1975-05-27 1976-12-09 Trox Gmbh Geb Air conditioning fire prevention lock - has pivotable flap with ports alignable with apertures in wall of air duct
US4474167A (en) 1977-05-02 1984-10-02 Mccabe Francis J Latch for a butterfly damper
US4858517A (en) 1988-06-08 1989-08-22 Rick Coker Fire damper kit
US4958687A (en) 1988-12-15 1990-09-25 Daito Tech Kabushiki Kaisha Fire damper
SE467341B (en) 1990-11-28 1992-07-06 Blomdahls Mekaniska Ab ELDSPJAELL
EP0829689A1 (en) 1996-09-11 1998-03-18 Aldes Aeraulique Sealing means for apparatus for closing a ventilation conduit, in particular fire or exhaust damper
WO2000020803A1 (en) 1998-10-03 2000-04-13 Richard Gatley Air pressure stabilising device
DE19857280C1 (en) 1998-12-11 2000-08-31 Max Romacker Vent line shutoff for building fires controls valve movement by holder as soldered link which melts with heat to actuate pre-tensioned spring and close fireproofly rimmed valve.
DE10104923C1 (en) 2001-01-25 2002-10-02 Lta Lufttechnische Komponenten Fireproof flap for ventilation systems such as ventilation ducts in buildings, has flap leaf which consists of perforated plate on both sides and filled with insulating material
EP1302220A1 (en) 2001-10-09 2003-04-16 Gebrüder Trox, Gesellschaft mit beschränkter Haftung Damper, in particular fire damper
GB2399497A (en) 2003-03-18 2004-09-22 Rivermill Construction A fire damper
EP1506796A1 (en) 2003-08-14 2005-02-16 Gebrüder Trox, GmbH Fire damper

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2445427A1 (en) * 1978-12-29 1980-07-25 Dupuy Claude Double acting swing door retainer and release - holds door open until actuated via blown thermal fuse by fire alarm
FI89333C (en) * 1991-08-23 1993-09-27 Halton Oy BRANDBEGRAENSARE OCH FOERFARANDE FOER LAOSNING AV TILLSLUTNINGSORGANET AV BRANDBEGRAENSAREN
FI20021123A (en) * 2002-06-11 2003-12-12 Flaekt Woods Ab Process for producing a damper for an air conditioning system and a damper for an air conditioning system

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2523322A1 (en) 1975-05-27 1976-12-09 Trox Gmbh Geb Air conditioning fire prevention lock - has pivotable flap with ports alignable with apertures in wall of air duct
US4474167A (en) 1977-05-02 1984-10-02 Mccabe Francis J Latch for a butterfly damper
US4858517A (en) 1988-06-08 1989-08-22 Rick Coker Fire damper kit
US4958687A (en) 1988-12-15 1990-09-25 Daito Tech Kabushiki Kaisha Fire damper
SE467341B (en) 1990-11-28 1992-07-06 Blomdahls Mekaniska Ab ELDSPJAELL
EP0829689A1 (en) 1996-09-11 1998-03-18 Aldes Aeraulique Sealing means for apparatus for closing a ventilation conduit, in particular fire or exhaust damper
WO2000020803A1 (en) 1998-10-03 2000-04-13 Richard Gatley Air pressure stabilising device
DE19857280C1 (en) 1998-12-11 2000-08-31 Max Romacker Vent line shutoff for building fires controls valve movement by holder as soldered link which melts with heat to actuate pre-tensioned spring and close fireproofly rimmed valve.
DE10104923C1 (en) 2001-01-25 2002-10-02 Lta Lufttechnische Komponenten Fireproof flap for ventilation systems such as ventilation ducts in buildings, has flap leaf which consists of perforated plate on both sides and filled with insulating material
EP1302220A1 (en) 2001-10-09 2003-04-16 Gebrüder Trox, Gesellschaft mit beschränkter Haftung Damper, in particular fire damper
GB2399497A (en) 2003-03-18 2004-09-22 Rivermill Construction A fire damper
EP1506796A1 (en) 2003-08-14 2005-02-16 Gebrüder Trox, GmbH Fire damper

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2080537A1 (en) * 2008-01-18 2009-07-22 TROX GmbH Fire protection flap
EP2123331A1 (en) 2008-05-19 2009-11-25 TROX GmbH Fire protection flap
EP2226101A1 (en) * 2009-03-03 2010-09-08 Schako Klima Luft Ferdinand Schad KG Fitting for a ventilation system
DE102010056392A1 (en) * 2010-12-28 2012-06-28 Gert Bartholomäus Fire protection flap for fire protection device, is placed in housing one-sided around hinge bearing, where housing seals in closing position by sealing together with sealing surface
DE102010056392B4 (en) * 2010-12-28 2015-02-19 Gert Bartholomäus One-sided hinged fire damper with improved sealing effect
EP2730315A1 (en) * 2012-11-12 2014-05-14 MP3 S.r.l. Improved fire damper
CN103994263A (en) * 2014-05-28 2014-08-20 靖江市八达暖通设备制造有限公司 Manual and electric actuator of fireproof smoke exhaust damper
CN103994263B (en) * 2014-05-28 2018-08-17 靖江市八达暖通设备制造有限公司 A kind of manual band Electric Actuator of anti-fire smoke expelling valve
KR20220113618A (en) * 2021-02-06 2022-08-16 신승용 The duct pipe connector for the fire diffusion prevention equipped with the fireproof insulation damper

Also Published As

Publication number Publication date
EP1779901A3 (en) 2010-03-10
PL205587B1 (en) 2010-05-31
PL377875A1 (en) 2007-04-30
PL1779901T3 (en) 2015-08-31
EP1779901B1 (en) 2015-04-01

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