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EP1130335A2 - Fire closing device - Google Patents

Fire closing device Download PDF

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Publication number
EP1130335A2
EP1130335A2 EP01104335A EP01104335A EP1130335A2 EP 1130335 A2 EP1130335 A2 EP 1130335A2 EP 01104335 A EP01104335 A EP 01104335A EP 01104335 A EP01104335 A EP 01104335A EP 1130335 A2 EP1130335 A2 EP 1130335A2
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EP
European Patent Office
Prior art keywords
pipe
pipe section
fire
slide valve
piece
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Withdrawn
Application number
EP01104335A
Other languages
German (de)
French (fr)
Other versions
EP1130335A3 (en
Inventor
Willi Skoberne
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.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP1130335A2 publication Critical patent/EP1130335A2/en
Publication of EP1130335A3 publication Critical patent/EP1130335A3/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • F24F13/12—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers built up of sliding members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
    • F24F11/35—Responding to malfunctions or emergencies to fire, excessive heat or smoke by closing air passages

Definitions

  • the invention relates to a fire shut-off device for Ventilation systems for buildings, with a valve housing, in which is a gate valve from an open position its own weight in a shut off a connecting piece The closed position can be lowered.
  • Ventilation systems are used to vent several buildings Rooms that are usually connected to a common ventilation line are connected. According to the fire protection requirements it must be ensured that a transmission of fire and Smoke from one room of a building to other rooms is prevented. Fire barriers at the connection of the individual ventilation lines serve to connect the connected Shut off the ventilation line as soon as a temperature increase that occurs due to a fire in the room in question lets close.
  • the gate valve of the fire shut-off device is raised in its by a trigger device Open position held. Once the trigger device responds as a result of an increase in temperature, it gives the Gate valve free under the effect of its own weight falls into its closed position, in which it turns on the valve housing connected connecting piece for the Vent line blocked.
  • a known fire shut-off device at the beginning is the type that receives the gate valve, slider housing made of sheet metal like a Cylinder shell domed and has a protruding on all sides, perforated flange.
  • the Main ventilation pipe on which the fire shut-off device To be arranged a connection opening is first cut out. Then the valve body on the Vent line screwed on.
  • the necessary Workload to be performed on site is proportional high.
  • the object of the invention is therefore a fire shut-off device the genus mentioned in such a way that the Inserting into a ventilation system is significantly simplified and is facilitated.
  • the ventilation system becomes the one with the valve housing already firmly connected piece of pipe in the pipe string Ventilation system used. It is not necessary on the Construction site to cut an opening on the pipe string and that Screw the valve housing to the pipe string.
  • the pipe section is a telescopically displaceable Connection pipe piece carries. With that the insertion in simplifies an already finished pipe string and facilitated.
  • the pipe section and the associated valve housing can consist of sheet metal.
  • the gate valve is preferably executed flat and between the flat gate valve and the cylindrically curved pipe wall of the pipe section is a Saddle piece made of insulating material.
  • the flat design of the gate valve simplifies that Manufacture of the gate valve and the associated guide on the valve body.
  • a saddle piece that a balance between the flat gate valve and the curved pipe wall, there is no need to on the back of the pipe facing the pipe Slider housing or the like. to provide.
  • the saddle is preferably made of foamed Ceramic material, which is because of its light weight and its high mechanical strength and simple Manufacturing has proven to be particularly suitable.
  • the pipe section made of insulating material, for example foamed ceramic material and a side Saddle piece on which the flat valve housing is appropriate.
  • the pipe string of insulating material there is a simple construction in the area of the fire barrier.
  • the fire shut-off device shown in FIGS. 1 and 2 is intended for installation in a ventilation system for buildings. It has a valve housing 1 made of sheet metal a connecting piece 2 for one to the ventilation system vent line to be connected. In valve housing 1 a flat gate valve 3 by a (not shown) Trigger device in its raised position shown in FIG. 2 Open position held.
  • the slide housing 1 is on a pipe section 4 above a lateral connection opening 4b attached.
  • a saddle piece 5 Insulating material, for example foamed ceramic material arranged.
  • the saddle piece 5 fills the space between the flat gate valve 3 and the cylindrically curved Pipe wall 4a and forms a guide for the height-adjustable gate valve.
  • a connecting pipe section 6 is telescopic slidable that at its upper edge with an outer circumferential seal 7 is provided.
  • a circumferential seal 8 is provided.
  • the pipe section 4 also carries an outer circumferential seal 9 at its lower end.
  • the fire barrier is spaced between two mutually arranged, concentric pipe sections of a Pipe string used in the ventilation system and through telescopic displacement of the pipe fitting 6 so extended that a tight connection to the two adjacent Pipe pieces of the pipe string is reached.
  • Deviating from the previously described embodiment is that in the fire shut-off device shown in FIG. 3 with the flat slide housing 1 connected pipe section 4 ' Insulating material, for example foamed ceramic material executed.
  • a saddle piece 10 is attached to the side also consists of insulating material and on its flat Outside the slide housing 1 carries.
  • Both embodiments shown have in common that the entire fire shut-off device including the connected one Pipe section 4 or 4 'completely prefabricated becomes. On the construction site, only the pipe section 4 or 4 ' be inserted into the pipe run of the ventilation system.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Building Environments (AREA)
  • Sliding Valves (AREA)
  • Air-Flow Control Members (AREA)

Abstract

A housing (1) contains a flat stop slide valve (3) which drops by means of its own weight from an open position into a closed position in which it blocks the connecting pipe (2). The slide valve housing is positioned on the side of a pipe (4) inserted into a line of pipes in the ventilation system. The pipe supports a telescopically movable connecting pipe (6). A saddle piece (5) made of foam ceramic insulating material is interposed between the flat stop slide valve and the cylindrically curved wall (4a) of the pipe.

Description

Die Erfindung betrifft eine Brandabsperrvorrichtung für Lüftungsanlagen für Gebäude, mit einem Schiebergehäuse, in dem ein Absperrschieber aus einer Öffnungsstellung unter seinem Eigengewicht in eine einen Anschlußstutzen absperrende Schließstellung absenkbar ist.The invention relates to a fire shut-off device for Ventilation systems for buildings, with a valve housing, in which is a gate valve from an open position its own weight in a shut off a connecting piece The closed position can be lowered.

Lüftungsanlagen dienen in Gebäuden zum Entlüften mehrerer Räume, die üblicherweise an eine gemeinsame Entlüftungsleitung angeschlossen sind. Gemäß den Brandschutzanforderungen muß gewährleistet sein, daß eine Übertragung von Feuer und Rauch aus einem Raum eines Gebäudes in andere Räume verhindert wird. Brandabsperrvorrichtungen am Anschluß der einzelnen Entlüftungsleitungen dienen dazu, die angeschlossene Entlüftungsleitung abzusperren, sobald eine Temperaturerhöhung eintritt, die auf einen Brand in dem betreffenden Raum schließen läßt. Der Absperrschieber der Brandabsperrvorrichtung wird durch eine Auslöseeinrichtung in seiner angehobenen Öffnungsstellung gehalten. Sobald die Auslöseeinrichtung infolge einer Temperaturerhöhung anspricht, gibt sie den Absperrschieber frei, der unter der Wirkung seines Eigengewichts in seine Schließstellung herabfällt, in der er den an das Schiebergehäuse angeschlossenen Anschlußstutzen für die Entlüftungsleitung absperrt. Ventilation systems are used to vent several buildings Rooms that are usually connected to a common ventilation line are connected. According to the fire protection requirements it must be ensured that a transmission of fire and Smoke from one room of a building to other rooms is prevented. Fire barriers at the connection of the individual ventilation lines serve to connect the connected Shut off the ventilation line as soon as a temperature increase that occurs due to a fire in the room in question lets close. The gate valve of the fire shut-off device is raised in its by a trigger device Open position held. Once the trigger device responds as a result of an increase in temperature, it gives the Gate valve free under the effect of its own weight falls into its closed position, in which it turns on the valve housing connected connecting piece for the Vent line blocked.

Bei einer bekannten Brandabsperrvorrichtung der eingangs genannten Gattung ist das den Absperrschieber aufnehmende, aus Blech bestehende Schiebergehäuse nach Art einer Zylinderschale gewölbt und weist einen allseitig überstehenden, gelochten Flansch auf. An derjenigen Stelle der Hauptentlüftungsleitung, an der die Brandabsperrvorrichtung angeordnet werden soll, wird zunächst eine Anschlußöffnung ausgeschnitten. Sodann wird das Schiebergehäuse an der Entlüftungsleitung angeschraubt. Der hierfür erforderliche, auf der Baustelle auszuführende Arbeitsaufwand ist verhältnismäßig hoch.In a known fire shut-off device at the beginning is the type that receives the gate valve, slider housing made of sheet metal like a Cylinder shell domed and has a protruding on all sides, perforated flange. At that point the Main ventilation pipe on which the fire shut-off device To be arranged, a connection opening is first cut out. Then the valve body on the Vent line screwed on. The necessary Workload to be performed on site is proportional high.

Aufgabe der Erfindung ist es daher, eine Brandabsperrvorrichtung der eingangs genannten Gattung so auszubilden, daß das Einsetzen in eine Lüftungsanlage wesentlich vereinfacht und erleichtert wird.The object of the invention is therefore a fire shut-off device the genus mentioned in such a way that the Inserting into a ventilation system is significantly simplified and is facilitated.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß das Schiebergehäuse seitlich an einem in einen Rohrstrang der Lüftungsanlage einsetzbaren Rohrstück angebracht ist.This object is achieved in that the Slider housing on the side of a pipe string Ventilation system insertable pipe piece is attached.

Zum Einsetzen einer Brandabsperrvorrichtung in eine Lüftungsanlage wird hierbei das mit dem Schiebergehäuse bereits fest verbundene Rohrstück in den Rohrstrang der Lüftungsanlage eingesetzt. Es ist nicht erforderlich, auf der Baustelle eine Öffnung am Rohrstrang auszuschneiden und das Schiebergehäuse an dem Rohrstrang anzuschrauben.To insert a fire shut-off device in a The ventilation system becomes the one with the valve housing already firmly connected piece of pipe in the pipe string Ventilation system used. It is not necessary on the Construction site to cut an opening on the pipe string and that Screw the valve housing to the pipe string.

Gemäß einer bevorzugten Ausführungsform der Erfindung ist vorgesehen, daß das Rohrstück ein teleskopartig verschiebbares Anschlußrohrstück trägt. Damit wird das Einsetzen in einen bereits fertig verlegten Rohrstrang vereinfacht und erleichtert. According to a preferred embodiment of the invention provided that the pipe section is a telescopically displaceable Connection pipe piece carries. With that the insertion in simplifies an already finished pipe string and facilitated.

Das Rohrstück und das damit verbundene Schiebergehäuse können aus Blech bestehen. Vorzugsweise ist der Absperrschieber flach ausgeführt und zwischen dem flachen Absperrschieber und der zylindrisch gewölbten Rohrwand des Rohrstücks ist ein Sattelstück aus Isoliermaterial angeordnet.The pipe section and the associated valve housing can consist of sheet metal. The gate valve is preferably executed flat and between the flat gate valve and the cylindrically curved pipe wall of the pipe section is a Saddle piece made of insulating material.

Die flache Ausführung des Absperrschiebers vereinfacht die Herstellung des Absperrschiebers und der zugeordneten Führung am Schiebergehäuse. Durch die Verwendung eines Sattelstücks, das einen Ausgleich zwischen dem flachen Absperrschieber und der gewölbten Rohrwand herbeiführt, entfällt die Notwendigkeit, an der dem Rohrstück zugekehrten Rückseite des Schiebergehäuses ein Abschlußblech o.dgl. vorzusehen. Zugleich ist der den beweglichen Absperrschieber aufnehmende Raum des Schiebergehäuses gegenüber dem Rohrstrang der Lüftungsanlage wärmeisoliert, so daß sich eine erhöhte Feuerwiderstandswirkung im Bereich der Brandabsperrvorrichtung ergibt.The flat design of the gate valve simplifies that Manufacture of the gate valve and the associated guide on the valve body. By using a saddle piece, that a balance between the flat gate valve and the curved pipe wall, there is no need to on the back of the pipe facing the pipe Slider housing or the like. to provide. At the same time is the one that receives the movable gate valve Space of the valve body opposite the pipe string of the Ventilation system heat insulated, so that an increased Fire resistance effect in the area of the fire barrier results.

Vorzugsweise besteht das Sattelstück aus geschäumtem Keramikmaterial, das sich wegen seines geringen Gewichts und seiner hohen mechanischen Festigkeit und der einfachen Herstellung als besonders geeignet erwiesen hat.The saddle is preferably made of foamed Ceramic material, which is because of its light weight and its high mechanical strength and simple Manufacturing has proven to be particularly suitable.

Gemäß einer bevorzugten Ausführungsform der Erfindung ist vorgesehen, daß das Rohrstück aus Isoliermaterial, beispielsweise geschäumtem Keramikmaterial besteht und ein seitliches Sattelstück aufweist, an dem das flache Schiebergehäuse angebracht ist. Diese Ausführungsform, die insbesondere für Lüftungsanlagen geeignet ist, deren Rohrstrang aus Isoliermaterial besteht, ergibt einen einfachen konstruktiven Aufbau im Bereich der Brandabsperrvorrichtung. According to a preferred embodiment of the invention provided that the pipe section made of insulating material, for example foamed ceramic material and a side Saddle piece on which the flat valve housing is appropriate. This embodiment, especially for Ventilation systems is suitable, the pipe string of insulating material there is a simple construction in the area of the fire barrier.

Nachfolgend werden Ausführungsbeispiele der Erfindung näher erläutert, die in der Zeichnung dargestellt sind. Es zeigt:

  • Fig. 1 in räumlicher Darstellungsweise eine Brandabsperrvorrichtung für Lüftungsanlagen mit einem Rohrstück aus Blech,
  • Fig. 2 die Brandabsperrvorrichtung nach Fig. 1 in einem Längsschnitt und
  • Fig. 3 in räumlicher Darstellungsweise entsprechend der Fig. 1 eine Brandabsperrvorrichtung für Lüftungsanlagen mit einem Rohrstück aus Isoliermaterial.
    • Exemplary embodiments of the invention are illustrated below, which are shown in the drawing. It shows:
  • 1 in a spatial representation a fire shut-off device for ventilation systems with a piece of pipe made of sheet metal,
  • Fig. 2 shows the fire shut-off device according to Fig. 1 in a longitudinal section and
  • Fig. 3 in a spatial representation corresponding to FIG. 1, a fire shut-off device for ventilation systems with a piece of pipe made of insulating material.

    • Die in den Fig. 1 und 2 dargestellte Brandabsperrvorrichtung ist zum Einbau in eine Lüftungsanlage für Gebäude bestimmt. Sie weist ein aus Blech bestehendes Schiebergehäuse 1 auf mit einem Anschlußstutzen 2 für eine an die Lüftungsanlage anzuschließende Entlüftungsleitung. Im Schiebergehäuse 1 wird ein flacher Absperrschieber 3 durch eine (nicht dargestellte) Auslöseeinrichtung in seiner in Fig. 2 gezeigten angehobenen Öffnungsstellung gehalten.The fire shut-off device shown in FIGS. 1 and 2 is intended for installation in a ventilation system for buildings. It has a valve housing 1 made of sheet metal a connecting piece 2 for one to the ventilation system vent line to be connected. In valve housing 1 a flat gate valve 3 by a (not shown) Trigger device in its raised position shown in FIG. 2 Open position held.

    Das Schiebergehäuse 1 ist an einem Rohrstück 4 über einer seitlichen Anschlußöffnung 4b angebracht. Zwischen dem flachen Absperrschieber 3 und der zylindrisch gewölbten Rohrwand 4a des Rohrstücks 4 ist ein Sattelstück 5 aus Isoliermaterial, beispielsweise geschäumtem Keramikmaterial angeordnet. Das Sattelstück 5 füllt den Raum zwischen dem flachen Absperrschieber 3 und der zylindrisch gewölbten Rohrwand 4a aus und bildet zugleich eine Führung für den höhenbeweglichen Absperrschieber. The slide housing 1 is on a pipe section 4 above a lateral connection opening 4b attached. Between the flat gate valve 3 and the cylindrically curved Pipe wall 4a of the pipe section 4 is a saddle piece 5 Insulating material, for example foamed ceramic material arranged. The saddle piece 5 fills the space between the flat gate valve 3 and the cylindrically curved Pipe wall 4a and forms a guide for the height-adjustable gate valve.

    Auf dem Rohrstück 4 ist ein Anschlußrohrstück 6 teleskopartig verschiebbar, das an seinem oberen Rand mit einer äußeren umlaufenden Dichtung 7 versehen ist. In gleicher Weise ist zwischen dem Rohrstück 4 und dem Anschlußrohrstück 6 eine umlaufende Dichtung 8 vorgesehen. Das Rohrstück 4 trägt auch an seinem unteren Ende eine äußere umlaufende Dichtung 9.On the pipe section 4, a connecting pipe section 6 is telescopic slidable that at its upper edge with an outer circumferential seal 7 is provided. In the same way between the pipe section 4 and the connecting pipe section 6 a circumferential seal 8 is provided. The pipe section 4 also carries an outer circumferential seal 9 at its lower end.

    Die Brandabsperrvorrichtung wird zwischen zwei im Abstand zueinander angeordnete, konzentrische Rohrstücke eines Rohrstrangs der Lüftungsanlage eingesetzt und durch teleskopartige Verschiebung des Rohranschlußstücks 6 so verlängert, daß ein dichter Anschluß an die beiden angrenzenden Rohrstücke des Rohrstrangs erreicht wird.The fire barrier is spaced between two mutually arranged, concentric pipe sections of a Pipe string used in the ventilation system and through telescopic displacement of the pipe fitting 6 so extended that a tight connection to the two adjacent Pipe pieces of the pipe string is reached.

    Abweichend von dem vorher beschriebenen Ausführungsbeispiel ist bei der in Fig. 3 gezeigten Brandabsperrvorrichtung das mit dem flachen Schiebergehäuse 1 verbundene Rohrstück 4' aus Isoliermaterial, beispielsweise geschäumtem Keramikmaterial ausgeführt. Seitlich ist ein Sattelstück 10 angebracht, das ebenfalls aus Isoliermaterial besteht und an seiner flachen Außenseite das Schiebergehäuse 1 trägt.Deviating from the previously described embodiment is that in the fire shut-off device shown in FIG. 3 with the flat slide housing 1 connected pipe section 4 ' Insulating material, for example foamed ceramic material executed. A saddle piece 10 is attached to the side also consists of insulating material and on its flat Outside the slide housing 1 carries.

    Beiden gezeigten Ausführungsformen ist gemeinsam, daß die gesamte Brandabsperrvorrichtung einschließlich des angeschlossenen Rohrstücks 4 bzw. 4' vollständig vorgefertigt wird. Auf der Baustelle muß nur noch das Rohrstück 4 bzw. 4' in den Rohrstrang der Lüftungsanlage eingefügt werden.Both embodiments shown have in common that the entire fire shut-off device including the connected one Pipe section 4 or 4 'completely prefabricated becomes. On the construction site, only the pipe section 4 or 4 ' be inserted into the pipe run of the ventilation system.

    Claims (6)

    Brandabsperrvorrichtung für Lüftungsanlagen für Gebäude, mit einem Schiebergehäuse, in dem ein Absperrschieber aus einer Öffnungsstellung unter seinem Eigengewicht in eine einen Anschlußstutzen absperrende Schließstellung absenkbar ist, dadurch gekennzeichnet, daß das Schiebergehäuse (1) seitlich an einem in einen Rohrstrang der Lüftungsanlage einsetzbaren Rohrstück (4, 4') angebracht ist.Fire shut-off device for ventilation systems for buildings, with a slide valve housing, in which a slide valve can be lowered from an open position under its own weight into a closed position blocking a connecting piece, characterized in that the slide valve housing (1) laterally on a pipe section (4 , 4 ') is attached. Brandabsperrvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Rohrstück (4) ein teleskopartig verschiebbares Anschlußrohrstück (6) trägt.Fire shut-off device according to claim 1, characterized in that the pipe section (4) carries a telescopically displaceable connecting pipe section (6). Brandabsperrvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Rohrstück (4) und das damit verbundene Schiebergehäuse (1) aus Blech besteht.Fire shut-off device according to claim 1, characterized in that the pipe section (4) and the slide housing (1) connected therewith consist of sheet metal. Brandabsperrvorrichtung nach Anspruch 3, dadurch gekennzeichnet, daß der Absperrschieber (3) flach ausgeführt ist und daß zwischen dem flachen Absperrschieber (3) und der zylindrisch gewölbten Rohrwand (4a) des Rohrstücks ein Sattelstück (5) aus Isoliermaterial angeordnet ist. Fire shut-off device according to claim 3, characterized in that the gate valve (3) is flat and that a saddle piece (5) made of insulating material is arranged between the flat gate valve (3) and the cylindrically curved tube wall (4a) of the tube piece. Brandabsperrvorrichtung nach Anspruch 4, dadurch gekennzeichnet, daß das Sattelstück (5) aus geschäumtem Keramikmaterial besteht.Fire shut-off device according to claim 4, characterized in that the saddle piece (5) consists of foamed ceramic material. Brandabsperrvorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das Rohrstück (4') aus Isoliermaterial, beispielsweise geschäumtem Keramikmaterial besteht und ein seitliches Sattelstück (10) aufweist, an dem das flache Schiebergehäuse (1) angebracht ist.Fire shut-off device according to claim 1, characterized in that the pipe section (4 ') consists of insulating material, for example foamed ceramic material, and has a side saddle piece (10) to which the flat slide valve housing (1) is attached.
    EP01104335A 2000-03-04 2001-02-23 Fire closing device Withdrawn EP1130335A3 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE10010691A DE10010691A1 (en) 2000-03-04 2000-03-04 Fire barrier
    DE10010691 2000-03-04

    Publications (2)

    Publication Number Publication Date
    EP1130335A2 true EP1130335A2 (en) 2001-09-05
    EP1130335A3 EP1130335A3 (en) 2003-11-12

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    ID=7633566

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP01104335A Withdrawn EP1130335A3 (en) 2000-03-04 2001-02-23 Fire closing device

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    EP (1) EP1130335A3 (en)
    DE (1) DE10010691A1 (en)

    Cited By (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    WO2004074096A1 (en) * 2003-02-20 2004-09-02 Pratt & Whitney Canada Corp. Apparatus and method for providing fireproofing to an oil cooler in an aircraft auxiliary power unit compartment

    Families Citing this family (1)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE202015101092U1 (en) * 2015-03-06 2016-06-07 Werner Wildeboer Volume flow regulator assembly

    Citations (4)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE19535113A1 (en) * 1995-09-21 1997-03-27 Robert Spieldiener Ventilation plant with heat-resistant, preferably metal sectional main pipe
    DE19652780A1 (en) * 1995-12-21 1997-06-26 Guenter Schulte Bulkhead appliance for ventilation pipe against fire and smoke
    DE19839920A1 (en) * 1997-09-27 1999-04-01 Guenter Schulte Device for fire compartmentalisation of ventilation system
    DE19827681A1 (en) * 1998-06-22 1999-12-23 Lig Lueftungstechnische Ingeni Ventilation tube for ventilation plant in building

    Patent Citations (4)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    DE19535113A1 (en) * 1995-09-21 1997-03-27 Robert Spieldiener Ventilation plant with heat-resistant, preferably metal sectional main pipe
    DE19652780A1 (en) * 1995-12-21 1997-06-26 Guenter Schulte Bulkhead appliance for ventilation pipe against fire and smoke
    DE19839920A1 (en) * 1997-09-27 1999-04-01 Guenter Schulte Device for fire compartmentalisation of ventilation system
    DE19827681A1 (en) * 1998-06-22 1999-12-23 Lig Lueftungstechnische Ingeni Ventilation tube for ventilation plant in building

    Cited By (2)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    WO2004074096A1 (en) * 2003-02-20 2004-09-02 Pratt & Whitney Canada Corp. Apparatus and method for providing fireproofing to an oil cooler in an aircraft auxiliary power unit compartment
    US7093666B2 (en) 2003-02-20 2006-08-22 Pratt & Whitney Canada Corp. Apparatus and method for providing fireproofing to an aircraft auxiliary power unit

    Also Published As

    Publication number Publication date
    DE10010691A1 (en) 2001-09-13
    EP1130335A3 (en) 2003-11-12

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