GAS GENERATOR FOR POWDER FIRE-EXTINGUISHER Russian patent published in 2001 - IPC

FIELD: fire-fighting equipment. SUBSTANCE: gas generator has inner casing made in the form of hollow bar of rectangular section, with two parallel walls cut along its entire height and two other walls joined with their ribs to walls of outer cylindrical casing and provided with gas exit openings. Total area of gas exit openings exceeds 0.5 of total initial area of charge surface. Gas exit openings are made in sections of outer cylinder opposed to hollow bar walls provided with gas exit openings. Such construction provides minimum (optimum admissible) time of combustion of gas generating charge of pyrotechnic compound of any activity (combustion rate). EFFECT: simplified construction and enhanced reliability in operation. 4 cl, 2 dwg