H - Electricity – 01 – H
Patent
H - Electricity
01
H
342/13.1
H01H 35/00 (2006.01) B60H 3/00 (2006.01) F24F 3/16 (2006.01) F24F 7/00 (2006.01) F24F 11/00 (2006.01) G01N 27/12 (2006.01)
Patent
CA 1289224
ABSTRACT OF THE DISCLOSURE A system for controlling an air cleaner having high ability to remove smoke but low ability to remove gas with use of a gas sensor having higher sensitivity to gas than to smoke. The air cleaner is brought into operation when the gas sensor detects the gas released with the occurrence of smoke. The progress of removal of smoke is detected from the saturation of the gas sensor output, whereupon the cleaner is brought out of operation. Preferably, the air cleaner is held in operation for a predetermined period of time after the detection of the saturation to fully remove the smoke.
549246
Hiromichi Koyama
Katsuyuki Tanaka
Naoyuki Oie
Shinichi Matsumoto
Figaro Engineering Inc.
Osler Hoskin & Harcourt Llp
Sanyo Electric Co. Ltd.
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