Knock level control apparatus for an internal combustion engine

Details Knock level control apparatus for an internal combustion engine Knock level control apparatus for an internal combustion engine

1975-10-16

1977-12-06

Lazarus, Ronald H.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02D 504

Patent

active

040611167

ABSTRACT:
A knock level control apparatus for an internal combustion engine, which comprises knock voltage generating means for generating a knock voltage representing a maximum level of frequency components of knock sounds emitted from the internal combustion engine, knock level discriminating means for producing a control signal by comparing the knock voltage with a function voltage, and ignition timing control means for controlling the ignition timing of the internal combustion engine in accordance with the control voltage.

REFERENCES:
patent: 2220558 (1940-11-01), Von Dijck et al.
patent: 2275675 (1942-03-01), Draper et al.
patent: 2407652 (1946-09-01), Costa
patent: 2450882 (1948-10-01), Costa
patent: 2523017 (1950-09-01), Harrison
patent: 2670724 (1954-03-01), Reggio
patent: 3789816 (1974-02-01), Taplin et al.
patent: 3800599 (1974-04-01), Goran
patent: 3872846 (1975-03-01), Taplin et al.
patent: 3875912 (1975-04-01), Bullo

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