Internal-combustion engines – Igniters – Incandescent
Patent
1975-04-21
1976-12-21
Myhre, Charles J.
Internal-combustion engines
Igniters
Incandescent
123118, F02P 100
Patent
active
039981983
ABSTRACT:
Disclosed herein is a capacitor discharge ignition system with speed-limiting capability, which system comprises a charge capacitor, a coil, a magnet rotatable relative to the coil for generating alternating potential in the coil, a rectifier connected between the coil and capacitor for rectifying the alternating potential to a potential of one polarity and for applying the potential of one polarity ot charge the capacitor, a first switch connected to the capacitor for discharging the capacitor to generate a spark in response to the application of a first trigger signal, a second switch connected to the capacitor for preventing charging of the capacitor in response to the application of a second trigger signal above a predetermined potential, and a signal generating circuit connected to the second switch and operative to generate the second trigger signal in response to rotation above a predetermined speed of the magnet, which second signal generating circuit includes a transformer connected to the coil.
REFERENCES:
patent: 3500809 (1970-03-01), Hohne
patent: 3703889 (1972-11-01), Bodig
patent: 3809043 (1974-05-01), Nagasawa
patent: 3863616 (1975-02-01), Wood
patent: 3875915 (1975-08-01), Anderson
Cox Ronald B.
Myhre Charles J.
Outboard Marine Corporation
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