Device for controlling ignition timing in internal combustion en

Details Device for controlling ignition timing in internal combustion en Device for controlling ignition timing in internal combustion en

1987-01-27

1988-01-12

Wolfe, Willis R.

Internal-combustion engines

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

123435, F02P 514

Patent

active

047183829

ABSTRACT:
A device for controlling ignition timing in an internal combustion engine comprises a compression sensor disposed in the vicinity of the combustion chamber of each cylinder. Acceleration and other transient conditions of the engine driving conditions are detected on the basis of the output of the pressure sensor. When a transient condition is detected, the target maximum combustion angle is altered by a prescribed amount in the direction of retarding the ignition timing and the ignition timing of the next cylinder to fire is compensated by an amount which is less than the prescribed amount. As the transient conditions are directly detected from the state of combustion, the transient response is improved, and as the compensation is carried out stepwise, the drivability is improved.

REFERENCES:
patent: 4356551 (1982-10-01), Iwase et al.
patent: 4481925 (1984-11-01), Karau et al.
patent: 4549513 (1985-10-01), Douaud et al.
patent: 4556030 (1985-12-01), Aono
patent: 4617895 (1986-10-01), Sakakibara et al.
patent: 4660535 (1987-04-01), Asano

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