Ignition timing control apparatus for internal combustion engine

Details Ignition timing control apparatus for internal combustion engine Ignition timing control apparatus for internal combustion engine

1981-09-14

1983-11-22

Argenbright, Tony M.

Internal-combustion engines

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

73 35, F02P 504

Patent

active

044162359

ABSTRACT:
An ignition timing control apparatus for an internal combustion engine comprises a pick-up incorporated in a distributor for detecting a crank angle, a circuit for producing a basic ignition timing indicating signal on the basis of the output signal from the pick-up, a knocking detection circuit for generating a knocking detection signal, a circuit responding to the knocking detection signal and the basic ignition timing indicating signal to generate an actual ignition command signal delayed by a predetermined crank angle from the basic ignition timing, and the control apparatus further includes a circuit responding to these three signals to inhibit the operation of the knocking detection circuit during a period beginning at a time point which precedes to the operation of an inlet valve and an exhaust valve of a cylinder another than the cylinder in concern and terminating at a time point at which a predetermined time has elapsed since the ignition of the cylinder in concern.

REFERENCES:
patent: 4002155 (1977-01-01), Harned et al.
patent: 4249494 (1981-02-01), Guipaud
patent: 4269155 (1981-05-01), Iwata et al.
patent: 4290398 (1981-09-01), Hattori et al.

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