Electric control method for fuel injection and ignition timing

Details Electric control method for fuel injection and ignition timing Electric control method for fuel injection and ignition timing

1977-12-01

1979-12-04

Lucas, Jay P.

Internal-combustion engines

Noncompression

123117D, 123 32EA, F02B 4100, F02B 1300

Patent

active

041766296

ABSTRACT:
In a method and apparatus for controlling a combustion engine, a digital computer is adapted to calculate first and second values corresponding to optimal settings of fuel injectors and spark plugs in a time sequence by detecting changes of the amount of air flowing into the engine and the rotation speed of the engine. The computer is programmed to calculate the first and second values from functions describing desired relationships among each setting of the fuel injectors and the spark plugs, the amount of air flowing into the engine and the rotation speed of the engine, thereby to eliminate a conventional negative pressure detecting element.

REFERENCES:
patent: 3835819 (1974-09-01), Anderson, Jr.
patent: 3898962 (1975-08-01), Honig
patent: 3903857 (1975-09-01), Honig
patent: 3935846 (1976-02-01), Zelenka
patent: 3969614 (1976-07-01), Moyer
patent: 4051817 (1977-10-01), Hattori
patent: 4058709 (1977-11-01), Long

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