Dual sprinkler system
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United States of America Patent
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-
Sep 7, 1999
Grant Date -
N/A
app pub date -
Mar 31, 1997
filing date -
Mar 31, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A dual mode fire suppression system includes first and second, different, fire suppression nozzles. Each nozzle is coupled to a fire suppressing medium. A fire detector is coupled to at least one of the nozzles. The detector monitors an adjacent region, and, is insensitive to the medium associate with the coupled nozzle. In the presence of a detected first fire condition, the detector activates the coupled nozzle which releases the respective medium. The detector continues to monitor the adjacent region and in the absence of the first fire condition, the first nozzle is deactivated. In the presence of a detected second fire condition, different from the first condition, the second nozzle is activated.
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