Internal-combustion engines – Charge forming device – Including exhaust gas condition responsive means
Patent
1994-05-04
1995-06-27
Nelli, Raymond A.
Internal-combustion engines
Charge forming device
Including exhaust gas condition responsive means
F02B 2300
Patent
active
054270820
ABSTRACT:
A method of proportional deceleration fuel lean-out for an internal combustion engine includes the steps of sensing a throttle position of a throttle for the engine with a throttle position sensor, calculating a throttle proportional deceleration fuel lean-out multiplier (LOTHR) value based on the sensed throttle position, sensing a manifold absolute pressure (MAP) of an intake manifold for the engine with a MAP sensor, calculating a MAP proportional deceleration fuel learn-out multiplier (LOMAP) value based on the sensed MAP, combining the LOTHR and LOMAP values and calculating an overall proportional deceleration fuel lean-out multiplier (LOMULT) value, and applying the calculated LOMULT value to a fuel pulsewidth value of fuel injectors for the engine and reducing the amount of fuel injected into the engine by the fuel injectors.
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Tallarek Glen E.
Thomas Christopher P.
Vincent Michael T.
Weber Gregory T.
Calcaterra Mark P.
Chrysler Corporation
Nelli Raymond A.
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