System and method for detecting knocking in an internal combusti

Details System and method for detecting knocking in an internal combusti System and method for detecting knocking in an internal combusti

1989-02-08

1990-08-07

Argenbright, Tony M.

Internal-combustion engines

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

73 35, F02P 515

Patent

active

049458760

ABSTRACT:
A system and method for detecting an engine knocking for an internal combustion engine are disclosed in which an amplification factor of a voltage amplifier for amplifying a knock detection signal derived from a corresponding pressure-responsive sensor is changed according to a fuel characteristic, i.e., octane number of the fuel used for the engine.

REFERENCES:
patent: 4331117 (1982-05-01), Ginsburgh
patent: 4463722 (1984-08-01), Kobayashi
patent: 4471737 (1984-09-01), McDougal et al.
patent: 4640249 (1987-02-01), Kawamura et al.
patent: 4660535 (1987-04-01), Asano

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