Air-to-fuel ratio sensor for engine

Details Air-to-fuel ratio sensor for engine Air-to-fuel ratio sensor for engine

G - Physics

01

N

324/25, 73/69, 3

G01N 27/406 (2006.01)

Patent

CA 1212994

ABSTRACT This invention can accurately sense not only the stoichiometric air-to-fuel (A/F) ratio but also A/F other than the stoichiometric A/F by altering the electromotive force of an oxygen sensor at a predetermined value during the operation of an engine by using an oxygen concentration measuring device of the solid electrolyte oxygen pumping type.

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