Engine operation control system

Details Engine operation control system Engine operation control system

1996-11-08

1998-07-07

Nelli, Raymond A.

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

123602, F02P 500

Patent

active

057752974

ABSTRACT:
An engine operation control system for controlling ignition timing is disclosed. The system includes an electronic ignition control mechanism which operates to prevent ignition timing fluctuations resulting from irregular ignition pulses generated by instantaneous changes in rotational speed of a low mass flywheel when the engine speed is low by fixing the ignition advance in a low engine speed range. If engine acceleration is detected and the engine speed exceeds the low speed range, the system immediately increases the firing advance to a maximum value. If the engine speed exceeds the low engine speed range and no engine acceleration is detected, the system increases the firing advance linearly dependent upon engine speed.

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patent: 4633834 (1987-01-01), Takeuchi et al.
patent: 4790280 (1988-12-01), Umehara et al.
patent: 4895120 (1990-01-01), Tobinaga et al.
patent: 5517962 (1996-05-01), Ling

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