EP1779901A2 - Fire damper - Google Patents
Fire damper Download PDFInfo
- 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
Links
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
- A62C2/24—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.
Landscapes
- 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
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 - 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 - 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 thepipe body 5 onbearings 4axis 1 ofdivision 6, kept in open position with fuse -link releasing device 3. Additionallydivision 6 is connected tobody 5 withspring 2.Spring closing device 2 and fuse -link releasing element 3 are fitted inside thebody 5 in the plane perpendicular toaxis 1, wheredivision 6 has been fixed. Thedivision 6 has anotch 10 in the circumference, whereflexible sealing ring 11 has been mounted that works closely with thermal expandinggasket 12 located inside on thebody wall 5 in lateral plane corresponding to the position of thedivision 6 in the closed position. Besides, in order to protect against heat conduction along thebody 5 there are at least two rows of lengthwiseholes 13 on the body wall in lateral plane corresponding to the position of the division in the closedposition 6, and the holes are displaced one against another.Division position 6 monitoring is guarantied by employing limit switches, placed inside thebody 5. Bracket 7 has the switch limit installed 9monitoring division 6 position for open position.Limit switch 8monitors 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 twobody 5 alternatives. Nipple version for thebody 5 has vent ducts' faucets put on the body ends; while sleeve alternative has vent ducts ends inserted into the body'sinterior 5. During regular vent installation operation flap valve is open. Area where the fire outbreak, is self-separated by closing thefire 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 theclosing device 2. Optionally there is a possibility of adding in row to therelease fuse device 3 an electromagnet that allows fordivision 6 position remote control.
Claims (4)
- 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.
- 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.
- 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).
- 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.
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)
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)
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)
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 |
-
2005
- 2005-10-27 PL PL377875A patent/PL205587B1/en unknown
-
2006
- 2006-01-17 PL PL06460001T patent/PL1779901T3/en unknown
- 2006-01-17 EP EP06460001.8A patent/EP1779901B1/en not_active Revoked
Patent Citations (12)
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)
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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