Fire safety installation for e.g. space vehicle, has control case with reservoir connected to fire door via vacuum-operated valve, and suppression case with reservoir controlling fire suppression system via another valve and retarder

摘要

The installation has an indicating panel (10) with a red/green mechanical indicator (11) actuated by a vacuum-controlled spring-loaded piston (12). An audible alarm case (13) has a reservoir (14) connected to a pneumatic siren (15) via a vacuum-operated valve (16). A control case (17) has pressurized gas e.g. liquid nitrogen, reservoir (18) connected to a fire door via a vacuum-operated valve (29). An automatic suppression case (22) has a pressurized gas reservoir (23) controlling an automatic fire suppression system (26) via a valve (24) and a mechanical retarder (25).