Method and system for controlling internal-combustion engine

Details Method and system for controlling internal-combustion engine Method and system for controlling internal-combustion engine

1985-04-15

1987-01-06

Cox, Ronald B.

Internal-combustion engines

Charge forming device

Fuel injection system

123494, 123480, F02B 300

Patent

active

046338381

ABSTRACT:
A method and apparatus for controlling operating conditions of an internal combustion engine based upon sensed operating parameters of the engine expressed in the form of pulse signals, wherein the frequency of the pulses is representative of the sensed parameter. The pulse intervals of the sensed operating parameter signals are measured to the fractional level before being stored and employed by a CPU to calculate data applied to control predetermined operating conditions of the engine, such as the fuel flow rate and the ignition timing. The inventive method and apparatus attain greater operating stability for steady-state operations and excellent response under transient conditions of the engine.

REFERENCES:
patent: 4263884 (1981-04-01), Suzuki
patent: 4455985 (1984-06-01), Asayama
patent: 4457281 (1984-07-01), Ueyama
patent: 4499881 (1985-02-01), Takao
patent: 4527530 (1985-07-01), Abe
patent: 4549513 (1985-10-01), Douaud

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