Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1997-07-03
1998-07-14
Nelli, Raymond A.
Internal-combustion engines
Charge forming device
Fuel injection system
123417, 324388, F02P 500
Patent
active
057788553
ABSTRACT:
A control system for determining combustion quality in a combustion chamber of an internal combustion engine. For each combustion chamber, first and second sampling windows are generated and ionic currents sampled utilizing the spark plug as an electrode. In response to the samples, indications of combustion quality such as misfire, late combustion, and slow combustion are provided. When the engine is operating in a lean burn mode, rich correction are made to the engine air/fuel ratio in an amount dependent upon the combustion quality indications.
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Czekala Michael Damian
Jones Thomas Evans
Ford Global Technologies Inc.
Lippa Allan J.
Nelli Raymond A.
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