Ignition timing control system for internal combustion engines

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

1982-09-03

1985-09-10

Argenbright, Tony M.

Internal-combustion engines

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

73 35, F02P 504

Patent

active

045399573

ABSTRACT:
In a system for retarding an ignition timing of the engine depending on a signal from a knock detector, the knocking intensity and the knocking frequency are discriminated in accordance with the signal of the knock detector. On the basis of the discriminated results, the system provides a small amount of retard angle for ignition timing per one knocking when the knocking frequency is low, that is, the interval between knocking signals is long and the intensity of knocking is light. On the contrary, the system provides a large amount of retard angle when the interval is short and the intensity is heavy.

REFERENCES:
patent: 4002155 (1977-01-01), Harned et al.
patent: 4257364 (1981-03-01), Sawada et al.
patent: 4345558 (1982-08-01), Yamaguchi et al.
patent: 4382429 (1983-05-01), Enoshima et al.

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