EP0892378A2 - Einrichtung zur Rauch- und/oder Gaserkennung - Google Patents
Einrichtung zur Rauch- und/oder Gaserkennung Download PDFInfo
- Publication number
- EP0892378A2 EP0892378A2 EP98109819A EP98109819A EP0892378A2 EP 0892378 A2 EP0892378 A2 EP 0892378A2 EP 98109819 A EP98109819 A EP 98109819A EP 98109819 A EP98109819 A EP 98109819A EP 0892378 A2 EP0892378 A2 EP 0892378A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- flow channel
- locking system
- measuring device
- fire
- channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
- G08B17/113—Constructional details
Definitions
- the invention relates to a hold-open system with at least one Fire detector for smoke and / or fire gas detection on at least one Monitoring station which has at least one measuring device, which is in control connection with a triggering device which with a locking device for a movable room closure is coupled
- the lock is a hold-open system at the beginning mentioned type assigned to one or more monitoring parts one fire detector each with a smoke or fire gas measuring device having. To with such a hold-open system in In the event of fire, the closings are closed quickly and reliably To achieve, it has proven to be useful in the area of Terminations at several, spaced-apart monitoring points to arrange appropriate fire detectors and the at the respective end when smoke and / or fire gas is detected to close at least one of these monitoring stations.
- a wall Closing where the distance between the one with the closing closable opening and a ceiling above is one meter, advantageously, at least at three monitoring points to provide a fire detector, one of which as Fall detector on the wall immediately above the clear opening and the other two on the ceilings of those adjoining the end Rooms are arranged.
- the solution to this problem is that the monitoring body (s) via at least one flow channel with the measuring device is (are) connected that the flow channel at the At least one monitoring point (s) for taking samples Has inlet opening for room air, and that a conveyor for the transport of the air sample (s) from the Monitoring points to the measuring device is provided.
- a flow channel with inlet openings intended for indoor air at the for a mobile Surveillance points provided and thus arranged in their position to the spatial conditions in the area of Room closure are adjusted.
- the flow channel thus only points a short length so that the diameter of the flow channel can be chosen accordingly small.
- This makes it possible to Flow channel optically receding, for example, in between Ceiling cladding panels arranged on a suspended ceiling Joint. Since the monitoring station (s) air samples taken using the conveyor to the Measuring device can be transported, the measuring device spaced from the monitoring points at a front mechanical Damage protected location must be arranged. It is advantageous also that for monitoring several spaced apart Monitoring points only a single measuring device is required.
- the conveyor can be, for example, a fan Piston or a diaphragm pump.
- the hold open system only a few electrical or electronic components left on and can therefore be easily installed in a building. Overall, this results in a compact and inexpensive lock system that can be produced, for example as a mini-smoke and / or Gas intake system can be formed.
- An advantageous embodiment of the invention provides that the Outer diameter of the flow channel less than or equal to 14 Is millimeters, and / or that the length of the flow channel is preferably less than 10 meters.
- an outer cross-sectional contour that deviates from the circular shape of the flow channel understood the maximum outside cross-section.
- This makes it possible to pass the flow channel through a fire and / or Smoke end wall provided small diameter bore to carry out the function of the end wall only insignificantly affected.
- both adjacent to a fire compartment door Fire protection sections are monitored simultaneously.
- By a short flow channel length results despite the comparative small cross-sectional dimensions of the flow channel only a small one Flow resistance, so that adequate flow rates can be achieved, the rapid detection of smoke and / or allow fire gas.
- the outer diameter of the flow channel is less than or equal to 10 millimeters. This makes it possible to Flow channel through an opening provided in an end wall by Max. 10 millimeters in diameter, which in the fire protection not as damage to the end wall applies.
- An expedient embodiment of the invention provides that at least a portion of the flow channel in a door frame integrated or arranged behind such and that for Sampling at least one entry opening on the door frame is intended for indoor air.
- the flow channel is thus from the outside practically invisible.
- the flow channel can be together with the door frame in one step, for example in a new building or built into a fire protection wall when renovating old buildings become. The assembly effort is reduced accordingly.
- the Entry opening is preferably in the upper, in the use position provided on the lintel arranged part of the door frame, so by smoke and / or fire gas passing through the door opening better are detectable.
- Another embodiment of the invention provides that the Flow channel on or in a guide and / or running and / or Slide rail of a door locking mechanism is arranged. Of the Flow channel can then be opically unobtrusive in the guide and / or Running rail on the lintel of a fire door.
- An advantageous embodiment of the invention provides that the Measuring device, the measuring device and the conveyor in a common housing are integrated. On the one hand, this enables a particularly compact hold-open system and facilitates on the other hand, their assembly, since when the hold-open system is installed in a building only has a single cable to the hold-open system must become.
- the measuring device at one axial end of the Flow channel is arranged.
- the flow channel can then for example along one above a fire compartment door located lintel run while the measuring device and possibly also the triggering device and / or the conveyor in an inconspicuous place on the side next to the fire compartment door or is arranged under plaster.
- the flow channel has at least one flexible tube or has a hose, which preferably with at least a rigid pipe can be connected.
- the tube can also be a Branch pipe, for example a T or Y pipe piece may be provided.
- the flexible pipe or hose can then be in the assembly position enforce the fire and / or smoke barrier while to Sampling at least one rigid tube with the flexible tube or hose connected pipe in one of the two fire and / or Smoke protection sections can be arranged.
- the flexible Pipe or hose makes it easier in corners Wall duct of the flow channel.
- both sides of the flexible pipe or hose arranged rigid pipes better to the spatial conditions of both sides of the fire and / or Rooms located in the smoke protection wall can be adapted in which they for example, slightly offset or inclined to each other become.
- An embodiment of the invention provides that the flow channel has at least one branch point at which at least two each channel sections leading to at least one monitoring point with a channel section leading to the measuring device are connected.
- the hold-open system can then better match the spatial conditions in a building can be adapted.
- the flow channel has at least two, in particular has duct sections designed as rigid pipes, which can be plugged on or plugged onto one another. It is under a pipe also has at least one branch Pipe piece, for example understood a T or Y pipe piece.
- the Locking system can then, for example, in the trunk of a car are better transported to the installation site.
- the flow channel expediently has at least one Channel section with a rectangular or square cross-section.
- the flow channel can then be even easier on a wall or a wall Ceiling can be attached by hot gluing, for example.
- connection contacts can, for example, with the switching contacts of a relay Trigger device can be connected so that additional fire detectors, in particular a smoke and / or a thermal switch on the Locking device can be connected.
- a locking system designated as a whole has at least one a tape detector for smoke and / or fire gas detection at least a monitoring point 5, the at least one measuring device 2, which is in control connection with a triggering device 3.
- the trigger device is with a locking device for one movable room closure 4 is coupled, which has locking means, which the movable room closure in the event of external energy failure close automatically.
- the Locking system 1 two monitoring points 5, which have a Flow channel 6 designed as a pipe with the measuring device 2 are connected.
- the flow channel 6 is on for taking samples the monitoring points 5 each have an entry opening 7 for Indoor air.
- the locking system 1 has a blower 8, which together with the Measuring device 2 and the measuring device 3 in a common Housing 9 is arranged, which in FIGS. 1 to 4, 6 and 7 to 12 embodiments shown at one axial end of the Flow channel 6 is arranged.
- the hold-open system 1 is simple and inexpensive, since the measuring device 2 and the trigger device 3 simultaneously smoke and / or fire gas detection at several monitoring points enable. Since the flow channel 6 is only a comparative one small, to the size of the with the movable space has an adapted length to be closed, the Diameter of the flow channel 6 less than or equal to 12 millimeters be. This makes it possible to place the flow channel 6 in a door frame 10 made of wood, steel, aluminum or flame-retardant plastic to install, as shown in Fig. 1.
- the flow channel 6 designed as a pipeline can thus for example in an inside of a wall of the door frame 10 located groove and / or inside on the wall the door frame must be attached.
- the flow channel 6 can be in the rear the masonry of the door frame 10 or between the door frame 10 and masonry must be installed, each in the door frame 10 one or more wall openings for taking air samples are provided.
- Fig. 1 is an axial end of the flow channel 6 laterally next to the door frame 10 from the End wall 11 led out and there with the sensors and the housing 9 containing the blower 8 is connected.
- the invisible areas of the flow channel are for clarification 6 in Fig. 1 indicated by dashed lines.
- the top one Area of the door frame 10 only partially shown.
- Fig. 2 is the flow channel 6 on top of the slide rail 12 of the door closing mechanism double-leaf swing door mounted.
- the slide rail 12 is doing so above the door at the lower end of the above the door located lintel.
- the flow channel 6 has one rectangular cross section and is therefore better on the Slide rail 12 mountable.
- inlet openings for the suction of Indoor air should be provided so that there is a linear smoke detector results in smoke detection across the entire width of the door enables. Since the flow channel 6 on the slide rail 12th constructed, it hardly appears visually.
- the sensors and the fan can, for example, in a housing 9 be provided in a straight extension of the flow channel 6 is arranged at an axial end of the flow channel 6.
- Fig. 3 is in essentially extending in the direction of extension of the slide rail 12 Section of the flow channel formed as a pipe in the Inner cavity of the guide rail having a guide slot 12 arranged.
- the flow channel 6 is optically practical not in appearance.
- Fig. 5 shows a partial cross section through a building
- the one End wall 11 has, on the two sides different in each case Border fire or smoke protection sections.
- a passage provided with a movable Room closure 4 is lockable.
- the flow channel 6 of the locking system 1 has two rigid pipes 14 with inlet openings 7 for indoor air through a flexible Tube 15 are interconnected.
- the flexible tube 15 penetrates one provided adjacent to the ceiling 16 in the end wall 11 Perforation so that the two axial ends 17 of the flexible tube 15th and the rigid tubes connected to these axial ends 17 14 in one of the two on both sides of the end wall 11 provided fire or smoke protection sections are arranged.
- the flexible tube 15 has an outside diameter of at most 10 mm on, so that for its wall bushing in the end wall provided perforation does not affect the function of the end wall. This makes it possible to use a single fire detector two fire and / or smoke protection sections arranged adjacent to each other monitor at the same time.
- the fire detector housing 8 with the measuring device 2 can for example at one axial end the flow channel 6 may be arranged (Fig. 6).
- the Flow channel 6 has a branch point 18, at the two each channel sections leading to a monitoring point with a are connected to the measuring device 2 leading channel section.
- the junction 18 is flexible as an approximately T-shaped Tube 15 formed. The fire detector housing 9 can thereby on the lintel located above the movable room closure 4 easier to be assembled.
- Fig. 7 shows an embodiment of the locking system 1, at which the inlet openings 7 of the flow channel 6 at one suspended false ceiling 19 are provided.
- the flow channel 6 has intake ports on both sides of the end wall 11 20, which are inserted into the false ceilings 19.
- the Flow channel 6 rigid tubes 14 through a flexible tube 15, which is passed through the end wall 11, connected are.
- the flow channel 6, the measuring device 2, the triggering device 3 and the blower 8 are each in the above the Intermediate ceiling 19 located cavity 21 is arranged.
- the Locking system 1 is therefore from the bottom of the false ceiling 19 practically not visible.
- the embodiment is a flexible one in the area of the wall bushing Tube 15 provided to the assembly of the hold-open device 1 facilitate.
- Fig. 8 is the flow channel 6 on the running rail 23 of a slide gate Room completion 4 arranged.
- the flow channel 6 can round one or have a rectangular cross section and is therefore better on those at the lower end of the lintel located above the door opening along the running track 23 mountable.
- the flow channel 6 as a flexible tube 15 or have a channel section formed as a tube, the is connected to the measuring device.
- the flow channel 6 can also be arranged on the front of the running rail 23. Even with the The flow channel occurs in the exemplary embodiments according to FIGS. 8 and 9 6 barely visible.
- Figure 10 shows an embodiment in which the flow channel 6 in a cross-sectionally U-shaped running rail 23 Sliding gates 4 run in the longitudinal direction of the running rail 23.
- the flow channel 6 is in the between the U-legs Running rail 23 formed space and preferably on the fixed the U-leg connecting U-cross bar.
- the flow channel 6 is on the one hand Damage protected and, on the other hand, hardly visually visible.
- FIGS. 8 and 9 shows the flow channel 6 in Figure 10 above the door opening entry openings at several spaced apart locations for sucking in room air.
- Fig. 11 shows one intended for controlling a swing door Locking system 1.
- the swing door has an active leaf 24 and a passive leaf 25, which by means of a top of the swing door arranged, with the locking system 1 in control connection Door locking device 26 can be closed.
- the fault channel 6 The locking system 1 is arranged under the plaster runs over the Door parallel to the lower end of the swing door located lintel.
- At three evenly along the doorway distributed monitoring points 5 has the Fault channel 6 entry openings for room air. These are designed as wall openings.
- the Measuring device 2, the measuring device 3 and the blower 8 under plaster be arranged. These can be plastered in one recessed housing 8 may be arranged, preferably with its Front plate is flush with the wall surface.
- the flow channel 6 is formed in one piece with the slide rail 12.
- the slide rail 12 has U-legs 27, the one between limit this guide slot 28 laterally.
- the U crossbar of the Slide rail is designed as a hollow profile, the in Longitudinal direction of the slide rail 12 extending the inner cavity Flow channel 6 forms. The assembly of the hold-open system 1 is thereby relieved.
- the flow channel occurs at the Slide rail 12 practically not in appearance to the outside.
- the flow channel 6 can have several have rigid tubes 14 which can be plugged onto one another.
- tubes 14 can have one at one of their axial ends have sleeve-like cross-sectional expansion.
- the length of the Flow channel 6 can then during assembly of the locking system 1 in a simple manner by attaching tubes 14 to the respective be adapted to local conditions.
- the hold-open system 1 For example, better in the trunk of a car Mounting location can be transported.
- the individual inlet openings 7 of the flow channel 6 have the same entrance cross-sectional area. In particular can they also have the same dimensions. In addition, the Inlet openings of the tubes 14, 15 with the same distances be arranged to each other. So that the air flow in the Flow channel 6 nevertheless adjustable and in particular to different Flow channel lengths are adjustable, that has with the Flow channel releasably connectable closure piece 22 an inlet opening 7 for indoor air. Several different ones can be used Closure pieces 22 with different inlet cross-sections be provided so that when mounting the locking system depending on the length of the flow channel 6, a closure piece 22 selected with the appropriate inlet cross-section and with the Flow channel 6 can be connected.
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fire Alarms (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
Description
- Fig. 1
- die erfindungsgemäße Feststellanlage mit einem in eine Türzarge integrierten Strömungskanal, wobei die Türzarge zur Verdeutlichung nur teilweise dargestellt ist,
- Fig. 2
- eine an einer zweiflügeligen Drehflügeltüre angeordnete Feststellanlage, deren Strömungskanal oberseitig auf der Gleitschiene des Schließmechnismus der Drehflügeltüre montiert ist,
- Fig. 3
- eine Darstellung ähnlich Fig. 2, wobei jedoch der Strömungskanal in die Gleitschiene des Schließmechanismus der Drehflügeltüre intergriert ist,
- Fig. 4
- eine Darstellung ähnlich Fig. 2, wobei jedoch der Strömungskanal frontseitig auf der Gleitschiene des Schließmechnismus der Drehflügeltüre angeordnet ist,
- Fig. 5
- einen Querschnitt durch ein Gebäude mit einer Feststellanlage, deren Strömungskanal zum gleichzeitigen Überwachen von zwei Brand- und/oder Rauchschutzabschnitten durch eine Abschlußschutzwand hindurchgeführt ist, wobei der Meßeinrichtung an der Abschlußwand angeordnet ist,
- Fig. 6
- eine Ansicht ähnlich Fig. 5, wobei jedoch der Meßeinrichtung an einem Axialende des Strömungskanals angeordnet ist,
- Fig. 7
- einen Querschnitt durch ein Gebäude mit einer Feststellanlage, deren Strömungskanal durch eine Brand- und/oder Rauchschutzwand hindurchgeführt ist, wobei die Eintrittsöffnungen des Strömungskanales an einer Zwischendecke vorgesehen sind,
- Fig. 8
- eine an einem Schiebetor angeordnete Feststellanlage, deren Strömungskanal oberseitig auf der Laufschiene des der Schiebetors montiert ist,
- Fig. 9
- eine Darstellung ähnlich Fig. 8, wobei jedoch der Strömungskanal frontseitig auf die Laufschiene des Schiebetors der Schwenktüre angeordnet ist,
- Fig. 10
- eine Darstellung ähnlich Fig. 8, wobei jedoch der Strömungskanal in die Laufschiene des Schiebetors intergriert ist,
- Fig. 11
- eine Feststellanlage, deren Strömungskanals über einer Türöffnung unter Putz angeordnet ist, wobei die Eintrittsöffnungen des Strömungskanls in dem Türsturz vorgesehen sind,
- Fig. 12
- eine als linearer Rauchschalter ausgebildete Feststellanlage, deren Strömungskanal aus starren Rohrstücken zusammengesetzt ist, die über Muffenverbindungen miteinander verbunden sind,
- Fig. 13
- eine Darstellung ähnlich Fig. 2, wobei jedoch der Strömungskanal einstückig mit der Gleitschiene ausgebildet ist und
- Fig. 14
- einen Querschnitt durch die in Fig. 13 gezeigte Gleitschiene.
Claims (15)
- Feststellanlage mit wenigstens einem Brandmelder zur Rauch- und/oder Brandgaserkennung an zumindest einer Überwachungsstelle (5), der wenigstens eine eine Meßeinrichtung (2) aufweist, welche mit einer Auslösevorrichtung (3) in Steuerverbindung steht, die mit einer Feststellvorrichtung für einen beweglichen Raumabschluß (4) gekoppelt ist, dadurch gekennzeichnet, daß die Überwachungsstelle(n) (5) über wenigstens einen Strömungskanal (6) mit der Meßeinrichtung (2) verbunden ist (sind), daß der Strömungskanal (6) an der (den) Überwachungsstelle(n) (5) zur Probenentnahme zumindest eine Eintrittsöffnung für Raumluft aufweist, und daß eine Fördereinrichtung für den Transport der Luftprobe(n) von der (den) Überwachungsstellen (5) zu der Meßeinrichtung (2) vorgesehen ist.
- Feststellanlage nach Anspruch 1, dadurch gekennzeichnet, daß der Außendurchmesser des Strömungskanals (6) kleiner oder gleich 14 Millimeter ist, und/oder daß die Länge des Strömungskanals (6) vorzugsweise kleiner als 10 Meter ist.
- Feststellanlage nach Anspruch 1 oder 2, dadurch gekennzeichnet, der Außendurchmesser des Strömungskanals (6) kleiner oder gleich 10 Millimeter ist.
- Feststellanlage nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß zumindest ein Teilabschnitt des Strömungskanals (6) in eine Türzarge integriert oder hinter einer solchen angeordnet ist und daß zur Probenentnahme an der Türzarge wenigstens eine Eintrittsöffnung für Raumluft vorgesehen ist.
- Feststellanlage nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß der Strömungskanal (6) in oder auf einer Führungs- und/oder Gleit- und/oder Laufschiene (12) einer Türschließmechanik angeordnet ist.
- Feststellanlage nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß der Strömungskanal (6) in oder auf einer Laufschiene einer Schiebetüre angeordnet ist.
- Feststellanlage nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß die Meßeinrichtung (2), die Auslösevorrichtung (3) und die Fördereinrichtung in einem gemeinsamen Gehäuse (9) angeordnet sind.
- Feststellanlage nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, daß der Meßeinrichtung an einem Axialende des Strömungskanals (6) angeordnet ist.
- Feststellanlage nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, daß der Strömungskanal wenigstens ein flexibles Rohr (15) oder einen Schlauch aufweist, das (der) vorzugsweise mit wenigstens einem starren Rohr (14) verbindbar ist.
- Feststellanlage nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, daß der Strömungskanal (6) zumindest eine Verzweigungsstelle aufweist, an der wenigstens zwei jeweils zumindest zu einer Überwachungsstelle (5) führende Kanalabschnitte mit einem zu der Meßeinrichtung (2) führenden Kanalabschnitt verbunden sind.
- Feststellanlage nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, daß der Strömungskanal (6) wenigstens zwei, insbesondere als starre Rohre (14) ausgebildete Kanalabschnitte aufweist, die aufeinander aufsteckbar oder aufgesteckt sind.
- Feststellanlage nach einem der Ansprüche 1 bis 11, dadurch gekennzeichnet, daß zum Verschließen wenigstens eines Endbereichs des Strömungskanals (6) zumindest ein mit dem Strömungskanal (6) verbindbares Verschlußstück (22) vorgesehen ist, das wenigstens eine Eintrittsöffnung (7) für Raumluft aufweist, und daß vorzugsweise mehrere jeweils mit dem Strömungskanal (6) verbindbare Verschlußstücke (22) mit unterschiedlichem Eintrittsöffnungs-Querschnitt vorgesehen sind.
- Feststellanlage nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, daß der Strömungskanal (6) wenigstens einen Kanalabschnitt mit einem rechteckigen oder quadratischen Querschnitt aufweist.
- Feststellanlage nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß der Strömungskanal (6) für eine Unterputzverlegung vorgesehen ist.
- Feststellanlage nach einem der Ansprüche 1 bis 13, dadurch gekennzeichnet, daß sie Anschlußkontakte zum Anschließen weiterer Brandmelder aufweist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19730929A DE19730929C2 (de) | 1997-07-18 | 1997-07-18 | Feststellanlage zur Rauch- und/oder Brandgaserkennung |
DE19730929 | 1997-07-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0892378A2 true EP0892378A2 (de) | 1999-01-20 |
EP0892378A3 EP0892378A3 (de) | 1999-06-02 |
Family
ID=7836173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98109819A Withdrawn EP0892378A3 (de) | 1997-07-18 | 1998-05-29 | Einrichtung zur Rauch- und/oder Gaserkennung |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0892378A3 (de) |
DE (1) | DE19730929C2 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10337150A1 (de) * | 2003-08-13 | 2005-03-17 | Dictator Technik Dr. Wolfram Schneider & Co. Verwaltungs- Und Beteiligungsgesellschaft Mbh | Brandschließeinrichtung für Türen oder Tore und Betriebsverfahren |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2105987A (en) * | 1981-09-08 | 1983-04-07 | Leslie Thomas Homer | Smoke and fire protection screen |
EP0235290A1 (de) * | 1984-11-27 | 1987-09-09 | Howa Co., Ltd. | Wasserdichte struktur für selbstschliessende türen |
US5044680A (en) * | 1989-10-04 | 1991-09-03 | Motus Incorporated | Door holder power supply access member |
DE9301476U1 (de) * | 1993-02-03 | 1993-03-25 | Dorma GmbH & Co KG, 5828 Ennepetal | Gefahrenmeldesystem |
DE19605638C1 (de) * | 1996-02-15 | 1997-06-12 | Wagner Alarm Sicherung | Verfahren und Vorrichtung zum Detektieren von Entstehungsbränden |
DE19651947C1 (de) * | 1996-12-16 | 1998-03-12 | Dorma Gmbh & Co Kg | Brandschutztür |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3139582C2 (de) * | 1981-10-05 | 1985-01-24 | Preussag AG Bauwesen, 3005 Hemmingen | Brandmeldeeinrichtung |
DE3348107C2 (en) * | 1983-08-30 | 1988-01-21 | Securiton Ag, Zollikofen, Bern, Ch | Smoke suction system of a line smoke alarm |
-
1997
- 1997-07-18 DE DE19730929A patent/DE19730929C2/de not_active Expired - Lifetime
-
1998
- 1998-05-29 EP EP98109819A patent/EP0892378A3/de not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2105987A (en) * | 1981-09-08 | 1983-04-07 | Leslie Thomas Homer | Smoke and fire protection screen |
EP0235290A1 (de) * | 1984-11-27 | 1987-09-09 | Howa Co., Ltd. | Wasserdichte struktur für selbstschliessende türen |
US5044680A (en) * | 1989-10-04 | 1991-09-03 | Motus Incorporated | Door holder power supply access member |
DE9301476U1 (de) * | 1993-02-03 | 1993-03-25 | Dorma GmbH & Co KG, 5828 Ennepetal | Gefahrenmeldesystem |
DE19605638C1 (de) * | 1996-02-15 | 1997-06-12 | Wagner Alarm Sicherung | Verfahren und Vorrichtung zum Detektieren von Entstehungsbränden |
DE19651947C1 (de) * | 1996-12-16 | 1998-03-12 | Dorma Gmbh & Co Kg | Brandschutztür |
Also Published As
Publication number | Publication date |
---|---|
DE19730929C2 (de) | 1999-12-30 |
EP0892378A3 (de) | 1999-06-02 |
DE19730929A1 (de) | 1999-01-21 |
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