Dual sprinkler system

Details Dual sprinkler system Dual sprinkler system

1997-03-31

1999-09-07

Weldon, Kevin

Fire extinguishers

Processes

Of extinguishing fire

169 61, A62C 3710, A62C 3721

Patent

active

059472073

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.

REFERENCES:
patent: 3684019 (1972-08-01), Emmons et al.
patent: 4079786 (1978-03-01), Moling
patent: 4583597 (1986-04-01), Spector et al.
patent: 5597044 (1997-01-01), Roberts et al.

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