Internal-combustion engines – Charge forming device – Crankcase vapor used with combustible mixture
Patent
1982-11-18
1984-07-24
Burns, Wendell E.
Internal-combustion engines
Charge forming device
Crankcase vapor used with combustible mixture
123480, 123489, 123491, 36443106, 36443104, F02M 2506, F02B 308, F02D 1700
Patent
active
044612630
ABSTRACT:
An electronic fuel injection control system for an internal combustion engine, includes means for correcting the valve opening of the exhaust gas recirculation valve by the use of a correction coefficient so as to maintain the recirculating quantity of exhaust gases at a constant ratio with respect to the total intake air quantity, irrespective of changes in the ambient atmospheric pressure, and means for correcting the injection period for fuel being supplied to the engine as a function of atmospheric absolute pressure and intake pipe absolute pressure, whereby the air/fuel ratio of the mixture is maintained at an optimum value against changes in the atmospheric pressure, even when exhaust gas recirculation is effected.
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Burns Wendell E.
Honda Motor Co. Ltd.
Lessler Arthur L.
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