Electronic ignition with step advance

Details Electronic ignition with step advance Electronic ignition with step advance

1980-04-04

1982-06-15

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Fuel injection system

123418, 123615, 123617, F02P 504

Patent

active

043345093

ABSTRACT:
A circuit for selecting between two or more detecting elements, such as magnetic pickups or resonant sensors (10, 12, 14) or (132, 134) spaced around a rotating member (15a, 157) to generate timing signals for an ignition system for an engine (15, 156) is disclosed. One disclosed embodiment is usable with a conventional mechanical advance to provide an additional advance above a predetermined vehicle (102) speed, and which may be negated by a vacuum switch (119) if the engine (156) is under heavy load. Another disclosed embodiment utilizes a plurality of such sensors (10, 12, 14) to provide a step-type ignition advance for an engine (15).

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