Abstract:
A fixed fire extinguishing system wherein one or more aspiration members are disposed in an elevated position relative to the structure to be protected by fire. A sensor is adapted to respond to information received from the fire to actuate the aspiration member, and the latter receives the combustion products from the fire and discharges same together with extinguishing agent back to the fire to smother the fire. A method of extinguishing a fire.
Abstract:
Method and apparatus for dispersing a fire extinguishant in which dual nozzles are employed in each sprinkler head to form separately a fine mist for cooling and a spray of coarse droplets to penetrate a fire plume and reach fuel surfaces to extinguish a fire.