Control system for engine operation using two fuels of different

Internal-combustion engines – Charge forming device – Fuel injection system

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123491, 123494, 123575, 123 1A, F02D 4104

Patent

active

047066300

ABSTRACT:
A method for controlling the amount of fuel mixture, including a first and second fuel of different volatility, to be supplied to an internal combustion engine includes calculating a base amount of fuel mixture needed to achieve a desired air to fuel ratio at a predetermined engine operating condition. Such a base amount of fuel mixture is modified as a function of the temperature of the internal combustion engine and is a function of the percentage of the first fuel.

REFERENCES:
patent: 3750635 (1973-08-01), Hoffman et al.
patent: 4031864 (1977-06-01), Crothers
patent: 4323046 (1982-04-01), Barber
patent: 4369736 (1983-01-01), Ito
patent: 4391253 (1983-07-01), Ito
patent: 4438749 (1984-03-01), Schwippert

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