Air/fuel ratio control system for an internal combustion engine

Details Air/fuel ratio control system for an internal combustion engine Air/fuel ratio control system for an internal combustion engine

1992-08-31

1993-07-06

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Including exhaust gas condition responsive means

123698, F02M 2508, F02D 4114

Patent

active

052244628

ABSTRACT:
A control system (10) controls the induction of fuel injected into an internal combustion engine (14) to achieve stoichiometric combustion. The control system includes a feedback controller (32) which generates a feedback variable by integrating the output of an exhaust gas oxygen sensor (26). Integration is inhibited in response to an indication of a rich air/fuel offset.

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