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AUTOMATIC FIRE EXTINGUISHER MEANS

  • US 3,866,687 A
  • Filed: 04/18/1973
  • Issued: 02/18/1975
  • Est. Priority Date: 01/12/1972
  • Status: Expired due to Term
First Claim
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1. An automatic fire extinguisher system of the type used for fire, heat, smoke and explosion control in an area to be protected containing a plurality of hazardous zones, comprising a tank containing a fire extinguishant under pressure, a plurality of nozzles mounted on said tank, each nozzle directed towards a different hazardous zone, an electrically actuated valve associated with each nozzle for controlling the flow of extinguishant through said nozzles, conduit means connecting said tank with said nozzle, a separate condition responsive means associated with each nozzle for detecting an abnormal condition in each hazardous zone, control circuit means connected between said condition responsive means and said valves for actuating each of said valves individually in response to detection of an abnormal condition by each of said condition responsive means and maintaining the flow of extinguishant for as long as said condition responsive means detects the abnOrmal condition, and automatic communication means activated by said control circuit for sending out a warning signal in response to a hazardous condition.

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