Method and system for controlling ignition timing in a multicyli

Details Method and system for controlling ignition timing in a multicyli Method and system for controlling ignition timing in a multicyli

1982-07-30

1984-02-21

Nelli, Raymond A.

Internal-combustion engines

Charge forming device

Fuel injection system

123417, 123486, F02P 504, F02D 500, F02D 104

Patent

active

044323220

ABSTRACT:
A method in a multicylinder engine, for obtaining the single combination of ignition timings for the individual cylinders producing the maximum engine speed. A group of combinations of ignition timings is selected, then the engine is successively operated by each combination. The combination producing the lowest engine speed is determined and replaced by a new combination of ignition timings capable of increasing the engine speed. The new combination is calculated by use of a predetermined formula. This procedure is repeated to obtain the single combination of ignition timings producing the maximum engine speed.

REFERENCES:
patent: 4166437 (1979-09-01), Bianchi et al.
patent: 4207847 (1980-06-01), Hattori et al.
patent: 4243007 (1981-01-01), Ehrbardt et al.
patent: 4258683 (1981-03-01), Hattori et al.
patent: 4359987 (1982-11-01), Wesemeyer et al.
patent: 4368705 (1983-01-01), Stevenson et al.
patent: 4377996 (1983-03-01), Yamaguchi

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