Room temperature-controlled actuator for air vent valve - preventing passage of fire and smoke, with short response time

Room temperature-controlled actuator for air vent valve - preventing passage of fire and smoke, with short response time

Actuator for valve preventing passage of fire and smoke in a ventilation pipe comprises a spring loaded locking bolt (6) for the valve, and at least one angle lever (10, 11) of which the short arm is under the load of the bolt while the long arm is under the retaining force of a heat-releasable reta...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FATUL, LADISLAV, LUETZEN, RAINER, (GRAD.), MAESER, WALTER, REGENSCHEIT, BRUNO, 2057 WENTORF
Format: Patent
Sprache:eng ; ger
Schlagworte:
AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING
BLASTING
FIRE-FIGHTING
HEATING
HUMAN NECESSITIES
LIFE-SAVING
LIGHTING
MECHANICAL ENGINEERING
RANGES
VENTILATING
WEAPONS
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Beschreibung
Zusammenfassung:Actuator for valve preventing passage of fire and smoke in a ventilation pipe comprises a spring loaded locking bolt (6) for the valve, and at least one angle lever (10, 11) of which the short arm is under the load of the bolt while the long arm is under the retaining force of a heat-releasable retaining element (13). Pref. there are two angle levers with perpendicular arms of which the long arms are parallel to each other and the short arms are directed towards each other. The retaining element may consist of two discs soldered together with fusible solder and each having a slotted recess.