Air-fuel ratio control device for internal combustion engine

Details Air-fuel ratio control device for internal combustion engine Air-fuel ratio control device for internal combustion engine

1993-02-23

1994-08-16

Miller, Carl S.

Power plants

Internal combustion engine with treatment or handling of...

Having means analyzing composition of exhaust gas

123674, 60285, F01N 320

Patent

active

053375572

ABSTRACT:
An air-fuel ratio control device for an internal combustion engine, in which a first exhaust sensor is disposed at an exhaust passage of an internal combustion engine on an upstream side of a catalytic member which is disposed at the exhaust passage, and a second exhaust sensor is disposed at the exhaust passage on a downstream side of the catalytic member, with the air-fuel ratio being feedback-controlled by a control system in accordance with detection signals from the front and rear exhaust sensors.

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