Internal-combustion engines – Charge forming device – Crankcase vapor used with combustible mixture
Patent
1982-11-22
1984-06-19
Burns, Wendell E.
Internal-combustion engines
Charge forming device
Crankcase vapor used with combustible mixture
123489, 123480, 123491, 36443106, 36443104, F02M 2506, F02B 308, F02D 1700
Patent
active
044548532
ABSTRACT:
An electronic fuel injection control system for an internal combustion engine includes means for controlling the exhaust gas recirculation valve by using a plurality of different sets of predetermined valve opening command values which are functions of ambient atmospheric pressure and other parameters of operating condition of the engine, and are set such that the exhaust gas recirculating rate can be maintained constant irrespective of changes in the atmospheric pressure, by the use of these command values, and means for correcting the injection period for fuel being supplied to the engine in dependence upon ambient atmospheric pressure and intake pipe absolute pressure, whereby the air/fuel ratio of the mixture is maintained at an optimum value against changes in the ambient atmospheric pressure even when the exhaust gas recirculation is effected.
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Burns Wendell E.
Honda Motor Co. Ltd.
Lessler Arthur L.
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