Fire extinguishers – Special applications – Condition responsive control
Patent
1986-01-08
1987-03-10
Kashnikow, Andres
Fire extinguishers
Special applications
Condition responsive control
250339, 250347, A62C 3702
Patent
active
046484620
ABSTRACT:
An automatic fire extinguisher wherein a fire detector receives infrared rays from started fire flames in detecting area, as unified in the incident amount of the rays, at one of many light receiving elements which corresponds to the ray's incident angle into an assembly of infrared-ray passing filter and condenser lens, variations in detected output of the detector resulting from flaring of the fire flames are discriminated, the detected output higher than a predetermined level controllably drives an ejection nozzle to direct it towards the position of the flames and discharges a fire extinguishant out of the nozzle towards the flames, achieving thus a reliable detection of the fire irrespective of its distance from the detector as well as an effective extinguishment of only such started fire while preventing any erroneous operation due to other infrared ray sources.
REFERENCES:
patent: 3588893 (1971-06-01), McCloskey
Kashnikow Andres
Tekken Construction Co. Ltd.
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