Method and apparatus for engine knock level control

Details Method and apparatus for engine knock level control Method and apparatus for engine knock level control

1985-02-06

1987-02-03

Argenbright, Tony M.

Internal-combustion engines

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

73 35, F02P 515

Patent

active

046402500

ABSTRACT:
A method and apparatus for controlling knock level in an internal combustion engine having knock induced vibrations and valve noises. Engine knock is decided when the knock induced vibration level exceeds at least one of the valve noise level and a limiting level. A basic value for the timing of ignition of the engine is calculated based upon engine operating parameters. The basic value is modified according to the result of the engine knock decision in a manner to operate the engine close to its knock level.

REFERENCES:
patent: 4002155 (1977-01-01), Harned et al.
patent: 4153020 (1979-05-01), King et al.
patent: 4236491 (1980-12-01), Hattori et al.
patent: 4268910 (1981-05-01), Omori et al.
patent: 4319480 (1982-03-01), Yamaguchi et al.
patent: 4455862 (1984-06-01), Takeuchi
patent: 4467634 (1984-08-01), Rohde et al.

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