Internal-combustion engines – Combustion chamber means combined with air-fuel mixture...
Patent
1982-06-10
1983-04-05
Lall, P. S.
Internal-combustion engines
Combustion chamber means combined with air-fuel mixture...
123416, 123417, 123418, F02P 504
Patent
active
043787703
ABSTRACT:
A method and apparatus for controlling ignition system spark timing. Engine revolution speed is sensed and whether the engine is under cranking or not is sensed. Correction means are provided which, when the engine is under cranking and at the same time the engine speed is lower than a predetermined value, decreases spark advance to small values in accordance with a drop in the engine speed. A digital computer is used to calculate the preferred spark advance values in the preferred embodiment.
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Lall P. S.
Nissan Motor Co,. Ltd.
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