Patent ID: 6763894
Filing Date: 2004-07-20
Classification: A62C

Abstract:
A fire suppression system for a structure, the structure including a floor, a ceiling, and a plurality of walls vertically between the floor and the ceiling, the system comprising:a supply of a volatile liquefied-gas fire suppressant having a vapor pressure sufficient to form a gaseous mixture with air that does not support combustion for extinguishing fires; a pipe network connected to the compressed liquefied-gas fire suppressant, the pipe network adapted to extend horizontally through at least one of the ceiling and walls of the structure, the pipe network including a plurality of outlet ports; a plurality of atomizing nozzles mounted to the outlet ports, each of the atomizing nozzles comprising a nozzle body and a deflector body secured together in fixed relation, the nozzle body including an inlet port through the nozzle body connected to one of the outlet ports of the pipe network, a conical flow passage defined between the deflector body and nozzle body, the conical flow passage extending radially outwardly from the inlet port to a circumferential outlet slot, the circumferential outlet slot defined between the nozzle body and the deflector body and extending at least partially around the nozzle.