Fuel injection control system for internal combustion engine with fuel cut-off control at high engine speed range suppressive of recovery shock upon fuels resumption
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United States of America Patent
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Dec 18, 1990
Issued Date -
N/A
app pub date -
Apr 5, 1990
filing date -
Mar 8, 1988
priority date (Note) -
Expired
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Abstract
A fuel injection control system performs fuel cut-off operation intermittently so that engine output torque may not fluctuate at significant level to cause jerking at the transition from fuel injecting state to fuel to fuel cut-off state and at fuel resumption after fuel cut-off. Intermittnetly cutting off the fuel delivery for the engine cylinders, engine output torque drop at the fuel injecting state and fuel cut-off state can be reduced for reducing magnitude of jerking.
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