Knocking detector for internal combustion engine

Details Knocking detector for internal combustion engine Knocking detector for internal combustion engine

1992-11-25

1993-11-23

Nelli, Raymond A.

Internal-combustion engines

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

123494, F02P 514, F02M 5100

Patent

active

052634523

ABSTRACT:
A knocking device for an internal combustion engine which detects the ionization current through an ignition coil just prior to the time of ignition, and judges whether or not the ionization current is above a predetermined level after a predetermined time or crank angle from the ignition. If the ionization current is above the predetermined level, it is judged that knocking has taken place. Accordingly, knocking can be detected simply and surely.

REFERENCES:
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patent: 4491110 (1985-01-01), Bone et al.
patent: 4648367 (1987-10-01), Gillbrand et al.
patent: 4762106 (1988-08-01), Blauhut
patent: 5005547 (1991-04-01), Suga et al.
patent: 5067462 (1991-11-01), Iwata et al.
patent: 5087882 (1992-02-01), Iwata
patent: 5146893 (1992-09-01), Ohsawa

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