Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1994-05-04
1995-11-28
Dolinar, Andrew M.
Internal-combustion engines
Charge forming device
Fuel injection system
123493, F02D 4112
Patent
active
054698260
ABSTRACT:
A method of load and speed modifying on fuel lean-out for an internal combustion engine includes the steps of sensing a speed of the engine, determining an engine speed modifier as a function of current sensed engine speed, sensing a manifold absolute pressure (MAP) of an intake manifold of the engine, determining an engine load modifier as a function of current sensed MAP, adding the determined engine speed modifier and engine load modifier together to yield a speed/load modifier, and applying the speed/load modifier 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.
Weber Gregory T.
Calcaterra Mark P.
Chrysler Corporation
Dolinar Andrew M.
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