Method for operating an internal combustion engine

Internal-combustion engines – Charge forming device – Including exhaust gas condition responsive means

Reexamination Certificate

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C123S695000

Reexamination Certificate

active

06988494

ABSTRACT:
A method for operating an internal combustion engine, permitting a differentiation between an air error and a fuel error as part of mixture adaptation. In at least one operating state of the internal combustion engine a deviation in an air-fuel mixture ratio from a setpoint value is corrected. For this correction in the at least one operating state the particular deviation in the air-fuel mixture ratio is determined for at least two setpoint values. From these deviations an air error and/or a fuel error is determined.

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patent: 6176227 (2001-01-01), Ohuchi et al.
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patent: 6397830 (2002-06-01), Dohta
patent: 6604357 (2003-08-01), Bradley et al.
patent: 41 05 740 (1991-09-01), None
patent: 61053436 (1986-03-01), None
patent: 07208242 (1995-08-01), None

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