Internal-combustion engines – Combustion chamber means combined with air-fuel mixture...
Patent
1988-04-19
1989-07-18
Neill, Raymond A.
Internal-combustion engines
Combustion chamber means combined with air-fuel mixture...
123417, 123435, F02P 514
Patent
active
048482994
ABSTRACT:
A system and method for controlling an ignition timing for an internal combustion engine, in which a basic ignition timing angle determined according to an engine operating condition is corrected according to an MBT (Minimum Spark Angle for Best Torque) correction quantity within a range of a predetermined limited value set for the MBT correction quantity, and the ignition timing angle is corrected within the predetermined limit range on the basis of one of knock correction quantity (calculated for suppressing the knock correction quantity to fall in a predetermined level) and the MBT correction quantity (calculated for correcting the instantaneous ignition timing angle so that a maximum internal cylinder pressure coincides with a target angular position at which a magnitude of engine output torque becomes maximum) which is placed at a more retardation angle side.
REFERENCES:
patent: 4640249 (1987-02-01), Kawamura et al.
patent: 4706628 (1987-11-01), Trowbley
patent: 4711212 (1987-12-01), Haraguchi et al.
patent: 4732126 (1988-03-01), Ikeura et al.
patent: 4745902 (1988-05-01), Yagi et al.
Abo Toshimi
Satoh Hiroshi
Neill Raymond A.
Nissan Motor Company Limited
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