Ignition timing control system for internal combustion engine

Details Ignition timing control system for internal combustion engine Ignition timing control system for internal combustion engine

1986-05-30

1989-07-11

Dolinar, Andrew M.

Internal-combustion engines

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

F02P 5145

Patent

active

048461288

ABSTRACT:
An ignition timing control system for an internal combustion engine which controls the ignition timing for one engine cycle in response to the maximum peak position datum of the indicative pressure signal representing the inner pressure within the combustion chamber during the preceding engine cycle. A misfire detecting means is provided which produces a misfire detection signal upon incomplete combustion in the combustion chamber in an engine cycle. The maximum peak position datum is neglected during the engine cycle in which the misfire detection signal appears. At least one pressure sensor is provided for one cylinder in a group of the cylinders having generally the same charging efficiency or volumetric efficiency.

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patent: 4679536 (1987-07-01), Morita

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