Method and system for correcting a knock detection period and fo

Details Method and system for correcting a knock detection period and fo Method and system for correcting a knock detection period and fo

1990-08-16

1993-11-30

Harvey, Jack B.

Boots, shoes, and leggings

123416, 123625, 36443104, F02P 514, F02P 1102

Patent

active

052671640

ABSTRACT:
A basic knock detecting period is set based on engine speed and engine load. The basic knock detecting period is corrected with a learning correcting quantity in accordance with engine operating conditions, and a knock detecting period is determined based on the corrected knock detecting period. Knock is detected within the knock detecting period.

REFERENCES:
patent: 4711214 (1987-12-01), Sakakibara et al.
patent: 4802454 (1989-02-01), Tanaka

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