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Remote fire extinguisher station inspection

  • US 6,585,055 B2
  • Filed: 04/11/2001
  • Issued: 07/01/2003
  • Est. Priority Date: 01/23/1996
  • Status: Expired due to Fees
First Claim
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1. Apparatus for remote inspection of portable fire extinguishers 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 and 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;

    a docking station mounted in the vicinity of and in communication with the fire extinguisher; and

    an electronic circuit disposed in communication with the fire extinguisher and with said docking station and adapted to signal to a remote 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, and said apparatus comprising at least one detector for the at least one predetermined internal condition comprising said fire extinguisher gauge for detecting the 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;

    the at least one predetermined external condition comprising at least lack of presence of a fire extinguisher in its installed position at the fire extinguisher station, and said apparatus comprising at least one detector for the at least one predetermined external condition comprising an electronic tether engaged and in electronic communication between said docking station and the fire extinguisher; and

    the at least one predetermined external condition comprising at least presence of an obstruction to viewing of or access to the fire extinguisher station, and said apparatus comprising at least one detector for the at least one predetermined external condition comprising a proximity sensor.

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