Fire extinguishers – Special applications – Condition responsive control
Patent
1989-06-23
1991-01-15
Basinger, Sherman
Fire extinguishers
Special applications
Condition responsive control
169 9, 169 19, A62C 3900
Patent
active
049846370
ABSTRACT:
An electronic fire protection system is disclosed which includes a central control circuit that operates a sprinkler, or other extinguishing system in responsive to a sensed overtemperature condition. The trigger temperature of the system is adjustable, and the control circuit automatically resets after the sensed temperature has been reduced substantially below the trigger temperature. An audible alarm is also actuated by the control circuit that must be manually reset to ensure that the occurrence of a fire when the protected area is vacant will not go unnoticed. A visual temperature display is provided that can be operated in a power saving mode when external power for the circuit is lost, and a battery backup is actuated. A combination valve
ozzle is utilized in the controlled extinguishing system which is normally spring biased closed, and opened in response to extinguishate pressure. The valve
ozzle includes a valve head having a specially shaped sealing surface and deflector lip that generates a patterned spray when the valve is opened.
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Avila Stephen P.
Basinger Sherman
Blake William A.
Leavitt John J.
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