METHOD OF VERTICAL EXTINGUISHING, CONTAINING OF FIRE Russian patent published in 1999 - IPC

FIELD: fire extinguishing. SUBSTANCE: used in method is gas-dynamic stream produced by means of gas generator. The stream is neutral or contains fire-extinguishing substances and is directed from top downward onto fire seat. Gas-dynamic stream may be used in the form of jet stream of aircraft turbojet engine. Fire extinguishing is ensured by overlapping or passing of whole fire area of gas-dynamic stream. In appearance, gas-dynamic stream directed from top downward present a form of marquee. Fire is contained by fixing of area of gas-dynamic stream to one or several sides of fire area. Given methods may be also used for blowing away of fire flame with subsequent passing of fire area with gas-dynamic stream. Carrier of gas-dynamic stream source is used in the form of flying vehicle of type of helicopter, turbojet, special platform or system using mechanical or other hoists. Method of vertical extinguishing, containing of fire allows extinguishing of both area fires and fires of separate objects including fires of gas, gas-oil and oil wells and also provision of preventing measures for safety zones round objects needing protection from fire front or objects found in zone of fire. EFFECT: higher efficiency. 4 cl, 4 dwg