CN101579559B - Fire damping device - Google Patents
Fire damping device Download PDFInfo
- Publication number
- CN101579559B CN101579559B CN2009101381279A CN200910138127A CN101579559B CN 101579559 B CN101579559 B CN 101579559B CN 2009101381279 A CN2009101381279 A CN 2009101381279A CN 200910138127 A CN200910138127 A CN 200910138127A CN 101579559 B CN101579559 B CN 101579559B
- Authority
- CN
- China
- Prior art keywords
- housing
- temperature sensor
- smoke
- sensor
- checkout gear
- 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 - Fee Related
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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
- A62C2/24—Operating or controlling mechanisms
- A62C2/246—Operating or controlling mechanisms having non-mechanical actuators
-
- 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
- A62C2/246—Operating or controlling mechanisms having non-mechanical actuators
- A62C2/247—Operating or controlling mechanisms having non-mechanical actuators electric
Abstract
The present invention relates to a fire-proof barrier or a fire-proof valve for ventilation channels, which has at least a barrier housing (1), a barrier valve arranged in the barrier housing, a valve drive device effecting on the barrier valve, and a detection device having at least a temperature sensor, the sensor generates a trigger signal for the valve drive device, such that the barrier valve(2) transfers from a start position to a barrier position by means of the valve drive device. The detection device is configured into a combined temperature and smoke detection device, wherein not only a temperature sensor (8) is integrated, but also a smoke sensor (9) is integrated.
Description
Technical field
The present invention relates to a kind of fire damping device that is used in particular for ventilating duct, it has one and intercepts housing, one and be arranged on the obstruct valve that intercepts in the housing, one and be applied to blocking device and checkout gear that has at least one temperature sensor that intercepts on the valve, checkout gear produces a triggering signal that is used for valve actuator, causes the obstruct valve can transfer to one from an enable possition by blocking device and intercepts the position.A kind of such fire damping device in fact also is called fire-protection valve.The obstruct valve that sets within it generally rotatably, be bearing in the valve housing swingably and/or movablely.Wherein, this for example tubular valve housing with circle for example or rectangular cross section connects a ventilating duct or is installed between each ventilating duct.The blocking device that can constitute valve actuator is particularly related to a kind of electric motor type drive unit, spring recoil motor (Federr ü cklaufmotor) for example, its is provided with appropriate voltage and will intercepts valve under the tensioning kick spring situation at the same time is brought into open position.By triggering, for example when breaking out of fire, interrupt the power supply to spring recoil motor, cause baffling device can transfer to the closed position or intercept the position by spring.Therefore, fire damping device has guaranteed to close automatically the obstruct valve when breaking out of fire, in order to stop air or passing through of other gases and/or passing through of flame and smog.At this, blocking device or valve actuator for example are connected to by at least one lever or a connecting rod and intercept on the valve.
Background technology
The fire damping device of known a kind of the above-mentioned type from practice, it has a housing circle or that the angle is arranged and an obstruct valve that rotatably or swingably is bearing in the housing, wherein, a spring recoil motor is connected on the housing in the outside, and this spring recoil motor is applied in this way and intercepts on the valve.A checkout gear that constitutes temperature sensor extend in housing or the enclosure interior, and this checkout gear constitutes thermoelectric transducer and triggers and control spring recoil motor from temperature about 72 ℃ (static temperatures).
The more known smoke alarm unit that is used for fireproofing technique equipment also in addition, they have the smoke alarm of at least one optics.Smoke alarm is integrated in the housing, and housing generally is arranged on the ventilating duct in the outside.Only have a smog collecting pipe to extend in this ventilating duct, this smog collecting pipe imports to smog the zone of smoke alarm from ventilating duct when breaking out of fire.
These in practice known devices be proved to be reliably, yet still can further develop.
By US 4,977,818 known a kind of fire damping devices for building, it has an obstruct valve that for example is arranged in the roof area.Wherein, a plurality of sensors that particularly can constitute temperature sensor of distribution in building.Be distributed in sensor optionally flame detection, smog, gas or high temperature in each room of building.
US 5,728, and 001 has described a kind of fire damping device that intercepts valve that has, and one of them temperature sensor extend in the ventilating duct.
By the known a kind of room of JP 2002/251680 A smoke alarm, it for example can be installed on the roof in a room to be monitored, and wherein the room smog alarm is equipped with an additional temperature sensor.
Summary of the invention
Task of the present invention is, an a kind of ventilating duct for the above-mentioned type or the fire damping device of some ventilating ducts are provided, and under simple in structure and compact situation, is characterized in security and reliability standard height.
For realizing this task, the present invention's instruction, in the fire damping device that is used in particular for ventilating duct of the above-mentioned type, checkout gear constitutes knockdown temperature and mist detecting device, an integrated temperature sensor not only in this checkout gear, but also an integrated Smoke Sensor.Checkout gear preferably has a detector housing that extend in housing or the enclosure interior, and described temperature sensor not only is set in the detector housing, but also described Smoke Sensor is set.
In this case, the present invention is from such understanding, if namely barriers function not only triggers by a temperature sensor that extend in the enclosure interior, but also a smoke alarm is integrated in the checkout gear, then can improve a kind of reliability and security of fire damping device significantly. with replenishingBecause only under the situation of the sufficiently high temperature that for example is higher than 70 ℃ or 72 ℃, temperature sensor just responds, and when breaking out of fire, even at ventilating duct or fire-protection valve region memory at lower temperature but when still having smog to enter into ventilating duct, smoke detector just triggers baffling device.Therefore, within the scope of the present invention, or surpass the interior limiting temperature of ventilating duct, cause temperature sensor to trigger, or detect smog, cause the smoke detector response.Always trigger reliably, valve is intercepted, to guarantee high security.This has reached predetermined purpose in compact conformation, because in preferred further formation of the present invention, a unified checkout gear is provided with a unified detector housing, this detector housing extend in the obstruct housing and in this detector housing described temperature sensor is set not only, but also described smoke detector is set.For this reason, be arranged on the detector housing that intercepts in the housing and have first hole, temperature sensor is by this hole or stretch out this hole.But within the scope of the present invention, this does not get rid of temperature sensor " protectorate " is arranged on and intercepts in the housing.Because the detector housing in the zone of temperature sensor, for example in the zone in the hole that temperature sensor passes through, has a part and seals temperature sensor and the unlimited protection housing of part.Such containment vessel style is as constituting guard shield or similarity piece.Guaranteed in such a way reliably the temperature in intercepting housing or fire-protection valve to be detected; and protected temperature sensor to avoid mechanical load simultaneously; these mechanical loads may occur in the installation process of detector in case of necessity, but also occur in transportation or warehousing management process.
The detector housing can constitute tubular, for example columniform housing.In this case, what conform with purpose is that temperature sensor stretches out detector housing (entering into ventilating duct) by first hole of an end face.In addition, the detector housing also has second hole and enters the hole as smog, so that smog can enter into the detector enclosure interior that is provided with smoke alarm in it.This smog enter the hole preferably housing section grid-like by or a perforation constitute.Under tubular or cylindrical detector housing situation, what conform with purpose is that this smog enters the hole and locatees at circumference.
In another alternative construction, the detector housing is not the tubular or columniform housing that constitutes the unification that diameter is constant substantially on whole length, but the detector housing has first a tubular shell section that for example holds an analytic unit is connected this first housing section with one the second housing section that holds Smoke Sensor in a kind of such alternative construction.Preferably, the second housing section its in shape with the outline of Smoke Sensor coupling.In such a way, can save more integrated commercial general Smoke Sensors spatially in a simple manner.For this reason, what conform with purpose can be, the second housing section constitutes columniform basically, and wherein, (indulging) axis of this second cylindrical housings section roughly keeps (indulging) axis perpendicular to the first cylindrical housings section.Then, the height of the columniform second housing section preferably with the diameter of the first cylindrical housings section about equally.In this way, provide a detector housing altogether, needed each member is held in this detector casing structure compactness and saving simultaneously spatially.At this, can be provided with one or more smog in the circumference of the second cylindrical housings section or cylindrical sleeve zone and enter the hole.The end face of the columniform second housing section is preferably designed to sealing.
Blocking mechanism or valve actuator preferably constitute electric motor type drive unit and/or spring drive unit in the known manner.At this, can particularly preferably relate to a kind of spring recoil motor.Drive unit preferably is provided with a control device or connects a control device.In case checkout gear produces a triggering signal, just pass through control device accessory drive in this wise, consequently intercept valve and transfer to the obstruct position.Under an electric motor type spring recoil motor situation, under corresponding power supply situation, baffling device is brought into open position, and makes the kick spring tensioning that is arranged within the spring recoil motor simultaneously.For example, having under the triggering signal situation, by interruption of power supply, make baffling device enter into the closed position by spring energy.In addition, according to " quiescent current principle (Ruhestromprinzip) ", also be triggered under short circuit or power failure situation even also guaranteed the obstruct valve.
What conform with purpose is that checkout gear is provided with an analytic unit, for example an analytical electron device for this reason.What be connected with this analytical electron device not only has a temperature sensor, and also has Smoke Sensor.The analytical electron device is connected with electric motor type drive unit or the control device that is used for the electric motor type drive unit again, and in other words, analytic unit produces described triggering signal.At this advantageously, the analytical electron device produces a triggering signal that is used for valve actuator or control device, and temperature sensor produces a temperature signal and/or Smoke Sensor produces a smoke signal.Therefore, analysis to these two signals is preferably carried out in analytical electron device inside, then, this analytical electron device according to a kind of inclusive-OR operation not only when only triggering temperature sensor, but also when only triggering Smoke Sensor, all produce " unification " triggering signal that is used for valve actuator or control device.Therefore, it can be operated with a common control device or with a common valve actuator, valve actuator only obtains the triggering signal of " simply " from the analytical electron device of detector, wherein, control device is worked independently, and with whether trigger irrelevant by Smoke Sensor or temperature sensor.In principle, also some forms of implementation may be arranged, wherein according to a kind of AND operation, only at existing temperature sensor, when having Smoke Sensor all to respond again, just implement to trigger.
Preferably, analytical electron device or analytic unit can be integrated in the detector housing.But, also existing the analytical electron device is arranged on a possibility in the independent housing outside the detector housing, this independent housing for example is arranged on then and intercepts outside the housing.
Yet, also can will on the one hand be analytical electron device and be that control device for motor combines on the other hand, in other words, the analytical electron device can be integrated in the control device, and vice versa.
Smoke Sensor preferably constitutes optical pickocff in a manner known way.Thus, can employ that some are known, by the sensor of optical principle by one or more diodes or diode detector work.
Description of drawings
Below illustrate in greater detail the present invention by the accompanying drawing that an embodiment only is shown.Wherein:
The perspective view of the fire damping device that is used for a ventilating duct of an invention of Fig. 1;
Fig. 2 presses the zoomed-in view of checkout gear of the object of Fig. 1;
Fig. 3 is according to the side view of the biopsy cavity marker devices of the object of Fig. 2;
Fig. 4 is according to the view that passes through cross section A-A of the object of Fig. 3;
Fig. 5 is according to the form of implementation of the variation of the checkout gear of Fig. 2;
The object of the housing that Fig. 6 opens according to the band of Fig. 5;
Fig. 7 is according to the side view of the object of Fig. 5.
The specific embodiment
Show a fire damping device that is used for some ventilating ducts or a ventilating duct in the drawings.This fire damping device that in fact is also referred to as fire-protection valve has one and intercepts housing 1 and an obstruct valve 2 that is arranged in this obstruct housing 1 in its basic structure.Intercept housing 1 and constitute cylindrical pipe box (Rohrstutzen) in the present embodiment, it can connect a tubular ventilating duct or be arranged between two ventilating ducts.Intercepting valve 2 can be rotated to support in the obstruct housing 1.In addition, a blocking mechanism is set as valve actuator 3 in described form of implementation, this valve actuator is applied to by a connecting rod or leverage or a leverage 4 and intercepts on the valve.Valve actuator 3 constitutes the electric motor type drive unit in the present embodiment, constitutes spring recoil motor in described form of implementation.This drive unit 3 is equipped with a control device 5 and connects a suitable power supply 6 in addition.Spring recoil motor makes obstruct valve 2 enter open position shown in Figure 1 by this power supply.At this open position, be unlocked by the path that intercepts housing 1.In opening the process that intercepts valve 2, the kick spring of spring recoil motor 3 is tensioned simultaneously.If at this moment power supply for example owing to tripping operation is interrupted, is integrated into so that kick spring in the spring recoil motor 3 just will intercept that valve 2 is closed and so brings it to unshowned obstruct position when breaking out of fire.
For this reason, arrange one and extend into the checkout gear 7 that intercepts in the housing 1, it is connected with valve actuator 3 or its control device 5, and under alarm situations, produce a triggering signal, cause obstruct valve 2 to be transferred to from the enable possition by valve actuator 3 and intercept the position, intercept the position at this, be closed by the path of the ventilating duct that is communicated with it then by intercepting housing 1.
According to the present invention, checkout gear 7 constitutes knockdown temperature and mist detecting device now., not only a temperature sensor 8 is integrated in this checkout gear 7 for this reason, but also a Smoke Sensor 9 is integrated in this checkout gear 7.Checkout gear 7 has a for example tubular or columniform detector housing 10, we can say that it constitutes one and extend into knockdown smog and the hygrosensor that intercepts housing 1 inside.
By comparatively observing Fig. 2,3 and 4, draw the structure of this first kind of form of implementation according to checkout gear 7 of the present invention exemplaryly.This checkout gear is fixed in the installing hole 12 that intercepts housing 1 by a distolateral mounting flange 11.
Fig. 5 to 7 illustrates one according to a kind of variation, the preferred form of implementation of checkout gear 7 of the present invention.The form of implementation difference of this form of implementation and Fig. 1 to 4 also is the shape of detector housing 10 in addition.So as can be seen, detector housing 10 has one first tubular or cylindrical housings section 10a and second a housing section 10b who is connected with the first housing section 10a.This second housing section 10b holds Smoke Sensor 9.For this reason, the second housing section 10b mates with Smoke Sensor 9 outlines in shape at it.In the present embodiment, this second housing section 10b constitutes cylindrical or substantially cylindrical for this reason equally, and wherein, the axis 16a ground that the axis 16b of this second cylindrical shell section 10b is approximately perpendicular to the first cylindrical shell section 10a arranges.By this way, 9 savings of a Smoke Sensor of constructing usually can be integrated in the housing 10 spatially.The height h of the second cylindrical shell section 10b in the diameter d of this and the first cylindrical shell section 10a about equally.In other words, height h (as shown in the figure) and thickness d also can (slightly) have different, for example can be a little greatly, for example until 20%, preferably only until 15%.Smog enters circumferential area or the cylindrical sleeve zone that hole 14 is arranged on the second housing section 10b.Two smog are set enter hole 14.The end face 17 of the second cylindrical shell section 10b seals.Also can find out; in the form of implementation of Fig. 5 to 7; temperature sensor 8 is not freely stretched from detector housing 10, seals temperature sensor and the unlimited protection housing 13a of part but detector housing 10 also has a part then in the zone in hole 13 in the zone of temperature sensor 8.In the present embodiment, this protection housing constitutes guard shield 13a.This clearlys show, can carry out temperature identification by this way no problemly, but protect temperature sensor 8 to avoid mechanical failure.Temperature sensor 8 is fixed in the zone in hole 13 on the pole that for example is arranged in the hole.As can be seen, in this preferred form of implementation, temperature sensor 8 is not to pass Smoke Sensor or from its next door process, but (fully) is positioned in the zone of distolateral guard shield 13a.Then, the cable that connects that only need be used in temperature sensor 8 stretches along Smoke Sensor 9.The bottom side fixedly has the pole (roughly) of temperature sensor 8 to be positioned on the circumference of the second cylindrical shell section 10b, thereby outside the circumference of Smoke Sensor 9.In the form of implementation of this minor structure form that has a temperature sensor, guard shield 13a conforms with purpose especially.Yet, also can be arranged in the form of implementation of Fig. 2 to 4 in principle according to the guard shield 13a of Fig. 5 to 7.This does not illustrate in the drawings.
One side temperature sensor 8, and the Smoke Sensor 9 connection cable that all passes through in detector housing 10 guiding is connected with public analytic unit or an analytical electron device 15 on the other hand, and the latter is arranged in the form of implementation of Fig. 2 to 4 outside the obstruct housing 1.As shown in Figure 1, this analytical electron device 15 is connected with valve actuator 3 or its control device 5.At this, analytical electron device 15 designs like this, so that when temperature sensor 8 or Smoke Sensor 9 responses, produces a triggering signal.Then, these sensor signals are analyzed by the logical "or" computing.In principle, though the logical computing also be fine.But the characteristics of logical "or" computing are to trigger the safety grade height, because in that temperature is low when but detecting smog, intercept valve 2 and for example also be closed.The sensitivity of temperature sensor 8 and/or Smoke Sensor 9 can be regulated.
Have the possibility of selecting in addition, namely analytic unit 15 is arranged within the detector housing 10.This is illustrated among Fig. 5 to 7 exemplaryly.At this, analytic unit 15 is arranged among the first cylindrical shell section 10a.Be exactly in this form of implementation, what conform with purpose is, two sensors 8,9 are connected with analytic unit 15, causes and can produce " unified " triggering signal that is used for valve actuator or control device 5 after the analytic unit 15.Thereby, according to checkout gear of the present invention can with the general valve actuator of commerce and also can with commercial general purpose control device 5 cooperatings because whether realize triggering according to temperature signal or smoke signal, very unimportant to control device.
In addition, the analytic unit 15 that is attached thereto by sensor 8,9 also can be realized sensor 8,9 power supply.
There is the possibility of selecting in addition, closes automatically the baffling device then except automatic triggering, go back optics and/or acoustics ground and show an alarm signal.For example, some optical display element can be set for this reason, light emitting diode for example, they can be connected with the control electronic installation or be integrated in it equally.Not shown these light emitting diodes.
Claims (13)
1. be used for the fire damping device of ventilating duct, have at least
One be connected to a ventilating duct or be installed in obstruct housing (1) between each ventilating duct,
One be arranged on the obstruct valve (2) that intercepts in the housing (1),
One be applied to the blocking device (3) that intercepts on the valve (2) and
A checkout gear (7) that has at least one temperature sensor (8), this temperature sensor produces a triggering signal that is used for blocking device (3), cause obstruct valve (2) to can be transferred to one from an enable possition by blocking device (3) and intercept the position, it is characterized in that
Checkout gear (7) constitutes knockdown temperature and mist detecting device, integrated at least one temperature sensor (8) not only in this checkout gear, but also integrated at least one Smoke Sensor (9), checkout gear (7) has one and stretches into the detector housing (10) that intercepts in the housing (1), described temperature sensor (8) not only is set in this detector housing, but also described Smoke Sensor (9) is set, detector housing (10) has the first cylindrical housings section (10a) and second a housing section (10b) that holds Smoke Sensor (9) that is connected with the first housing section (10a) that hold an analytical electron device (15), wherein, the second housing section (10b) at it in shape with the outline of Smoke Sensor (9) coupling and constitute columniform basically, wherein, the axis that the axis (16b) of this second housing section (10b) is approximately perpendicular to the first housing section (10a) arranges (16a), detector housing (10) is distolateral, in the zone of the second housing section (10b), has a hole (13), temperature sensor (8) is by this hole or stretch out the intended size in this hole, wherein detector housing (10) has an at least part of guard shield (13a) of sealing temperature sensor (8) in the zone of hole (13), and detector housing (10) has one or more smog and enters hole (14), and described smog enters that Kong Youyi housing section grid-like or perforation constitutes or with such housing section covering and be arranged in the cylindrical sleeve zone of the second housing section (10b).
2. according to the described fire damping device of claim 1, it is characterized in that the diameter (d) of the height (h) of the columniform second housing section (10b) and the columniform first housing section (10a) about equally.
3. according to the described fire damping device of claim 1, it is characterized in that blocking device constitutes valve actuator (3).
4. according to the described fire damping device of claim 2, it is characterized in that blocking device constitutes valve actuator (3).
5. according to the described fire damping device of claim 1, it is characterized in that checkout gear (7) is equipped with described analytical electron device (15), the analytical electron device not only is connected with temperature sensor (8), but also is connected with Smoke Sensor (9).
6. according to the described fire damping device of claim 2, it is characterized in that checkout gear (7) is equipped with described analytical electron device (15), the analytical electron device not only is connected with temperature sensor (8), but also is connected with Smoke Sensor (9).
7. according to the described fire damping device of claim 3, it is characterized in that checkout gear (7) is equipped with described analytical electron device (15), the analytical electron device not only is connected with temperature sensor (8), but also is connected with Smoke Sensor (9).
8. according to the described fire damping device of claim 4, it is characterized in that checkout gear (7) is equipped with described analytical electron device (15), the analytical electron device not only is connected with temperature sensor (8), but also is connected with Smoke Sensor (9).
9. according to claim 3,4,7 or 8 described fire damping devices, it is characterized in that valve actuator (3) is equipped with a control device (5) or is connected with a control device.
10. according to claim 3,4,7 or 8 described fire damping devices, it is characterized in that, when temperature sensor (8) produced a temperature signal and/or smoke signal of Smoke Sensor (9) generation, analytical electron device (15) produced a triggering signal that is used for valve actuator (3).
11. according to the described fire damping device of claim 9, it is characterized in that, when temperature sensor (8) produced a temperature signal and/or smoke signal of Smoke Sensor (9) generation, analytical electron device (15) produced a triggering signal that is used for control device (5).
12., it is characterized in that blocking device constitutes electric motor type drive unit and/or spring drive unit according to claim 3,4,7 or 8 described fire damping devices.
13., it is characterized in that blocking device constitutes spring recoil motor according to the described fire damping device of claim 12.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008024085.0 | 2008-05-17 | ||
| DE102008024085.0A DE102008024085B4 (en) | 2008-05-17 | 2008-05-17 | Feuerschutzabsperrvorrichtung |
| EP09003193.1 | 2009-03-05 | ||
| EP09003193.1A EP2119479B2 (en) | 2008-05-17 | 2009-03-05 | Fire damping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101579559A CN101579559A (en) | 2009-11-18 |
| CN101579559B true CN101579559B (en) | 2013-07-17 |
Family
ID=40943689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101381279A Expired - Fee Related CN101579559B (en) | 2008-05-17 | 2009-05-05 | Fire damping device |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2119479B2 (en) |
| CN (1) | CN101579559B (en) |
| DE (1) | DE102008024085B4 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2473424A (en) * | 2009-08-27 | 2011-03-16 | Thomas Welsh | A smoke extraction system |
| DE202017103273U1 (en) | 2017-05-31 | 2017-06-28 | Strulik Gmbh | Feuerschutzabsperrvorrichtung |
| US11118688B2 (en) | 2019-06-05 | 2021-09-14 | Caterpillar Inc. | Throttle with integrated fluid shutoff trigger mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4540980A (en) * | 1982-08-16 | 1985-09-10 | Daniel Porco | Portable security alarm |
| US5123875A (en) * | 1991-04-12 | 1992-06-23 | Eubank Manufacturing Enterprises, Inc. | Power actuated roof vent apparatus and method of use |
| CN2319868Y (en) * | 1997-09-30 | 1999-05-19 | 南京消防(集团)公司 | Intelligent point-type photoelectric smoke sensing compound fire disaster detector |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4928583A (en) * | 1988-07-22 | 1990-05-29 | Taylor Harry L | Air flow control system |
| US4977818A (en) * | 1988-07-22 | 1990-12-18 | Taylor Harry L | Air flow control system |
| US5533929A (en) * | 1993-12-29 | 1996-07-09 | Attridge, Jr.; Russell G. | Remotely trippable and resettable damper |
| JP3189006B2 (en) † | 1996-07-25 | 2001-07-16 | 松下電工株式会社 | Thermal smoke detector |
| CA2291203A1 (en) * | 1998-12-04 | 2000-06-04 | George A. Schoenfelder | Aspirated detector with flow sensor |
| US6224481B1 (en) * | 1999-08-23 | 2001-05-01 | Mccabe Francis J. | Power modulating lead screw actuated butterfly blade action damper |
| DE20007841U1 (en) † | 2000-04-29 | 2000-09-21 | Kompressorenbau Bannewitz Gmbh | Slide seals and slide bearings for turbines and other machines with extremely high speed |
| DE20007891U1 (en) | 2000-05-02 | 2000-07-20 | Trox Gmbh Geb | Smoke detection device |
| JP3823739B2 (en) * | 2001-02-23 | 2006-09-20 | 松下電工株式会社 | Fire detector |
-
2008
- 2008-05-17 DE DE102008024085.0A patent/DE102008024085B4/en not_active Revoked
-
2009
- 2009-03-05 EP EP09003193.1A patent/EP2119479B2/en not_active Not-in-force
- 2009-05-05 CN CN2009101381279A patent/CN101579559B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4540980A (en) * | 1982-08-16 | 1985-09-10 | Daniel Porco | Portable security alarm |
| US5123875A (en) * | 1991-04-12 | 1992-06-23 | Eubank Manufacturing Enterprises, Inc. | Power actuated roof vent apparatus and method of use |
| CN2319868Y (en) * | 1997-09-30 | 1999-05-19 | 南京消防(集团)公司 | Intelligent point-type photoelectric smoke sensing compound fire disaster detector |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2119479A1 (en) | 2009-11-18 |
| DE102008024085B4 (en) | 2016-03-17 |
| DE102008024085A1 (en) | 2009-11-26 |
| EP2119479B2 (en) | 2020-02-12 |
| CN101579559A (en) | 2009-11-18 |
| EP2119479B1 (en) | 2017-01-04 |
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