METHOD FOR FIRE FIGHTING AND DEVICE FOR ITS EMBODIMENT Russian patent published in 1998 - IPC

FIELD: fire-fighting methods and devices; may be used in fire fighting in large spaces, such as hotels, passenger ships, various public rooms, for instance, restaurants. SUBSTANCE: fire is extinguished by spraying of fluid in the form of misty fine drops under high pressure with the help of at least one sprinkler or spraying head into exhaust ventilation channel or air-conducting channel of controlled room. Spraying heads are installed in holes communicating controlled space with exhaust ventilation channels or air conducting channels and directed to channels. In this case, spraying heads are made for suction to exhaust smoke from space to exhaust channels by means of spraying tp these channels of fluid to ensure prevention of smoke spreading in controlled room. EFFECT: higher efficiency. 8 cl, 5 dwg