Patent ID: 6488099
Filing Date: 2002-12-03
Classification: A62C

Abstract:
Apparatus for remote inspection of portable fire extinguishers in installed positions at one or a system of fire extinguisher stations, said apparatus comprising:a fire extinguisher gauge mounted to a portable fire extinguisher comprising a fire extinguisher tank defining a volume containing fire extinguishing material stored under a predetermined range of pressure, said gauge being disposed in communication with the volume for detection and display of pressure condition of the fire extinguishing material contained within the volume of the fire extinguisher tank; and an electronic circuit in communication between the fire extinguisher and a central station for issue of a signal to the central station upon detection of predetermined conditions comprising at least one predetermined internal condition and at least one predetermined external condition, the at least one predetermined internal condition comprising an out-of-range pressure condition of fire extinguishing material contained within the volume of the fire extinguisher tank of the fire extinguisher at the fire extinguisher station said out-of-range pressure condition being indicative of pressure outside of said predetermined range of pressure, and the at least one predetermined external condition comprising at least one of lack of presence of a fire extinguisher in its installed position at the fire extinguisher station and presence of an obstruction to viewing of or access to the fire extinguisher station.