Engine ignition interpolation apparatus

Details Engine ignition interpolation apparatus Engine ignition interpolation apparatus

1982-10-12

1985-01-22

Dolinar, Andrew M.

Internal-combustion engines

High tension ignition system

Having engine component position sensor

123617, 123414, 123643, F02P 900

Patent

active

044945183

ABSTRACT:
An engine ignition interpolation apparatus including three reference position sensors, a single crank angle sensor and a counter resettable by outputs from the reference position sensors and used for counting output pulses from said crank angle sensor. Also included are a decoder for generating an output when the counter produces a count output which exceeds a preset value, flip-flops connected respectively to the reference position sensors in a ring arrangement and triggerable by the outputs from the reference position sensors for synchronous operation therewith, and a logic circuit for seeking conformity between the output from the decoder and set outputs from the flip-flops to produce a quasi or replacement pulse for one of the reference position sensors which fails to produce an output, thereby interpolating a reference position pulse.

REFERENCES:
patent: 4265211 (1981-05-01), Meloeny
patent: 4317437 (1982-03-01), Lindgren

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