Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1989-09-08
1990-08-21
Dolinar, Andrew M.
Internal-combustion engines
Charge forming device
Fuel injection system
123421, 123422, 123425, F02P 515
Patent
active
049496913
ABSTRACT:
A system and method for controlling ignition timing for a vehicular internal combustion engine in which when the engine is transferred to a transient operating state (accelerated or decelerated), a correction for the basic ignition timing determined according to engine operating conditions is reversed depending on whether the basic ignition timing advance angle exceeds a MBT (Minimum advance for a Best Torque) ignition timing angle such that, on condition that the basic ignition advance angle exceeds the MBT ignition timing angle, the basic ignition timing advance angle is advanced when the engine rotational speed is increased and is retarded when the engine rotational speed is decreased, thus suppressing the generation of shuddering vibrations generated by the engine.
REFERENCES:
patent: 4498438 (1985-02-01), Sato
patent: 4660535 (1987-04-01), Asano
patent: 4774922 (1988-10-01), Morita
patent: 4799469 (1989-01-01), Nagano et al.
patent: 4844026 (1989-07-01), Tomisawa
patent: 4852537 (1989-08-01), Nagano et al.
patent: 4887573 (1989-12-01), Fujiwara et al.
Abe Toshiro
Hashimoto Atsunori
Dolinar Andrew M.
Nissan Motor Company Limited
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