A - Human Necessities – 62 – C
Patent
A - Human Necessities
62
C
341/30, 340/155.
A62C 35/02 (2006.01) A62C 37/00 (2006.01)
Patent
CA 1250930
ABSTRACT OF THE DISCLOSURE An automatic fire extinguisher wherein a fire detector receives infrared rays from started fire flame in detecting area 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 point of the flames and discharges a fire extinguishant out of the nozzle towards the flames, achieving thus a reliable detection and effective extinguishment of only such started fire while preventing any erroneous operation due to other infrared ray sources.
498977
Oyen Wiggs Green & Mutala Llp
Tekken Construction Co. Ltd.
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