DEVICE FOR FIRE EXTINGUISHING Russian patent published in 1998 - IPC

FIELD: devices for generation of aerosol fire inhibitors in burning of pyrotechnical composition for protection of closed objects from fire. SUBSTANCE: device has heat-insulated body accommodating successively arranged: pyrotechnic charge, combustion chamber, cooling cylinder having layer of ablation material and outlet holes. Cooling layer is gas-permeable in the form of granules or tablets filling the cooling cylinder which is closed with a cover having outlet holes on its side surface. EFFECT: reduced temperature of generated fire-extinguishing mixture. 1 dwg