Method of air filter diagnostic and air filter

Details Method of air filter diagnostic and air filter Method of air filter diagnostic and air filter

B - Operations, Transporting

01

D

B01D 35/143 (2006.01) B01D 46/44 (2006.01) G08B 21/18 (2006.01)

Patent

CA 2371729

A method of diagnosing when an air filter is becoming clogged. A first step involves providing an air filter having a first face and a second face. A second step involves measuring air pressure at the first face to obtain a first air pressure reading. A third step involves measuring air pressure at the second face to obtain a second air pressure reading. A fourth step involves initiating a warning signal when a selected pressure differential in excess of a selected threshold exists as between the first air pressure reading and the second air pressure reading.

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