Control system for controlling spark timing of engine

Details Control system for controlling spark timing of engine Control system for controlling spark timing of engine

1990-05-22

1991-01-29

Wolfe, Willis R.

Internal-combustion engines

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

36443107, F02P 515

Patent

active

049878743

ABSTRACT:
A control system for controlling spark timing of the engine is to control the retarding of the spark timing at the time of accelerating in anticipation. The amount of retarding the spark timing at the time of accelerating is set larger when the torque converter is provided in a driving system of the engine than when no torque converter is provided. A preferred feature is such that the amount of retarding the spark timing at the time of accelerating is set so as to be decreased gradually from its given initial value and that the retarding of the spark timing is suspended when the retarding amount reaches a value smaller than a given reset value. Both the initial value and the reset value are set to be greater when the torque converter is equipped than those when no torque converter is equipped.

REFERENCES:
patent: 4164157 (1979-08-01), Kudo et al.
patent: 4682577 (1987-07-01), Kato et al.
patent: 4870935 (1989-10-01), Araki
patent: 4896641 (1990-01-01), Nagano et al.
patent: 4924832 (1990-05-01), Abe

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