BLAST DAMPER

In one aspect, a remotely resettable blast damper for use with an air duct or wall opening is provided. The blast damper includes a blade configured to be mounted at a duct and movable between an open position and a closed position where the blade is configured to move to the closed position respons...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FOSS, David, MURPHY, Christopher
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING CHECKS FOR WINGS DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES HEATING KEYS LADDERS LIGHTING LOCKS MECHANICAL ENGINEERING RANGES SAFES VENTILATING WEAPONS WINDOW OR DOOR FITTINGS WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING
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Beschreibung
Zusammenfassung:	In one aspect, a remotely resettable blast damper for use with an air duct or wall opening is provided. The blast damper includes a blade configured to be mounted at a duct and movable between an open position and a closed position where the blade is configured to move to the closed position responsive to a blast wave. The blast damper includes a retention mechanism configured to maintain the blade in the closed position when the blade moves to the closed position. The blast damper further includes a release mechanism remote from the retention mechanism and operably coupled to the retention mechanism. Actuation of the release mechanism of the blast damper disengages the retention mechanism enabling the blade to return to the open position.