Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1992-06-25
1993-04-20
Wolfe, Willis R.
Internal-combustion engines
Charge forming device
Fuel injection system
123527, 123575, F02D 4104, F02M 2102
Patent
active
052033058
ABSTRACT:
An apparatus and methods for converting fuel injected internal combustion engines normally operated with a conventional fuel such as gasoline to operate with an alternative fuel are disclosed. The methods include a synchronization method where an alternative fuel injector control signal is synchronized among two or more alternative fuel injectors throughout the engine's energy demand range; a method for transforming non-sequential conventional fuel injector control signals to individual cylinder timed alternative fuel injector control signals; a method for transforming sequential multi-port conventional fuel injector control signals to throttle body alternative fuel injector control signals; and a method which includes adjusting the timing of the start of the injection relative to the valve opening event as a function of fuel flow.
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Porter Fred C.
Schultz Garth J.
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