G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 11/00 (2006.01) B01D 46/46 (2006.01) G01M 15/00 (2006.01)
Patent
CA 2156329
An apparatus for indicating the extent to which an air filter in an internal combustion engine is fouled. For this purpose the apparatus includes a pressure sensor, a sensor to detect the rotational speed of the engine, and an additional sensor which determines the load state of the engine. The signals of the three sensors are combined and serve to produce an air filter dirtiness indicating signal.
Koch Volker
Schnabel Werner
Borden Ladner Gervais Llp
Filterwerk Mann & Hummel Gmbh
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