Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1995-06-26
1997-04-01
Wolfe, Willis R.
Internal-combustion engines
Charge forming device
Fuel injection system
123344, 123436, 123527, F02P 515, F02D 4114
Patent
active
056156553
ABSTRACT:
A control system for an internal combustion engine having a pressurized gaseous fuel source, a control valve for regulating the amount of gaseous fuel supplied from the pressurized gaseous fuel source, and an intake passage in which the gaseous fuel, the amount of which has been regulated by the control valve, is mixed with intake air and supplied to the engine as an air-fuel mixture. An ECU of the control system controls the air-fuel ratio of the air-fuel mixture to be supplied to the engine by regulating the amount of the gaseous fuel through the control valve, and various sensors detect operating conditions of the engine. The ignition timing of the engine is calculated based on the detected operating conditions, and when the air-fuel ratio of the air-fuel mixture is in a predetermined lean limit region, the output of the engine is controlled by correcting the ignition timing.
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Honda Giken Kogyo K.K.
Lessler Arthur L.
Wolfe Willis R.
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