Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1993-11-15
1994-10-11
Dolinar, Andrew M.
Internal-combustion engines
Charge forming device
Fuel injection system
123492, 123493, F02M 5100
Patent
active
053537688
ABSTRACT:
An electronic engine controller (EEC) controls the delivery of fuel to an internal combustion engine via one or more fuel injectors by generating a base fuel value and modifying it with a transient fuel compensation value. The EEC determines the transient fuel compensation value by measuring a temperature value indicative of the temperature of the induction system of the engine and determining a valve effect value indicative of the effect of intake valve temperature on the vaporization of fuel in the induction system. A transient fuel compensation value is then generated in response to the temperature value and the valve effect value. The base fuel value, generated under any of a variety of known engine control methods, including open-loop control and closed-loop control, is altered in response to the transient fuel compensation value to generate a fuel injector control signal for controlling the amount of fuel delivered by the fuel injectors.
REFERENCES:
patent: 4357923 (1982-11-01), Hidig
patent: 4454847 (1984-06-01), Isomura et al.
patent: 4543973 (1985-10-01), Amano et al.
patent: 4922877 (1990-05-01), Nagaishi
Aquino Charles F.
Messih Isis A.
Dolinar Andrew M.
Ford Motor Company
Lippa Alan J.
May Roger L.
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