Breakerless ignition system

Internal-combustion engines – High tension ignition system – Having a specific mounting of system component

Patent

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Details

123149C, 123652, F02P 304

Patent

active

042705096

ABSTRACT:
Conventional breaker points in an engine ignition system are replaced by switching means comprising a transistor device and a biasing coil that is coupled with a core and cooperates with a magnet assembly rotating in timed relation to the engine cycle. The magnet assembly has poles with substantial extension in the orbital direction, spaced a small distance apart. The core has one pole face with substantial extension in the orbital direction and another spaced therefrom by a small distance in said direction and substantially narrower. As applied to a flywheel magneto system, the biasing coil is wound on a straight core element mounted adjacent to the armature core leg first approached by the magnet assembly, at the departure side of that core leg.

REFERENCES:
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patent: 3405347 (1968-10-01), Swift et al.
patent: 3484677 (1969-12-01), Piteo
patent: 3527266 (1970-09-01), Santi
patent: 3864622 (1975-02-01), Haubner et al.
patent: 3878452 (1975-04-01), Haubner et al.
patent: 3958546 (1976-05-01), Ohki et al.
patent: 3963015 (1976-06-01), Haubner et al.
patent: 4120277 (1978-10-01), Ehlen

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