Anti-knocking control in internal combustion engine

Details Anti-knocking control in internal combustion engine Anti-knocking control in internal combustion engine

1986-07-31

1987-12-08

Argenbright, Tony M.

Internal-combustion engines

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

F02P 515

Patent

active

047112140

ABSTRACT:
In a system for controlling knocking in an internal combustion engine, a reference value to be compared with a knock sensor signal for determining the presence or absence of the knocking is corrected in accordance with the pattern of a distribution obtained by collecting the logarithmic transformation value of the maximum value of signal generated from the knock sensor signal within a predetermined engine rotational angle at an interval. This is based on the fact that the pattern of distribution represents the characteristic of knocking of the engine.

REFERENCES:
patent: 4549513 (1985-10-01), Dovaud et al.
patent: 4557236 (1985-12-01), Showalter
patent: 4617895 (1986-10-01), Sakakibara et al.

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