DEVICE FOR VOLUME FIRE EXTINGUISHER Russian patent published in 1998 - IPC

FIELD: fire-fighting equipment, in particular, devices for fire extinguishing and localization in household and production rooms. SUBSTANCE: device consists of two groups of generators of fire-extinguishing aerosol whose igniters are connected with one end of heat pulse transmission unit whose other end is connected to input of starting unit whose output is connected via delay devices to electric primers connected with generator igniters. Connected to starting unit are audible and visual alarms. Heat pulse transmission unit is made from lengths of heat-sensitive cord with different velocities of propagation of heat pulse. Cord length with maximum propagation velocity is located between starting unit and zone of the most probable inflammation, and cord length with minimum propagation velocity is connected to igniters of the second group of aerosol generators. EFFECT: more operative warning on occurrence of fire and higher reliability of fire extinguishing. 3 cl, 1 dwg