Non-contactor ignition system for internal combustion engines

Internal-combustion engines – High tension ignition system – Power supply – ignition coil primary – and interrupter element...

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Details

123650, 123602, F02P 312

Patent

active

042730937

ABSTRACT:
A non-contactor ignition system for generating an ignition voltage under controlling a primary current of an ignition coil by a semiconductor switching element, comprises a capacitor which is charged by a first power source and repeats a charging and a discharging in each constant period; a semiconductor switching element for ignition timing which is connected to the capacitor and the input terminal of said semiconductor switching element; and a second power source which generates an output voltage which is connected in said input circuit of said semiconductor switching element for ignition timing and whose value is varied depending upon the variation of revolution velocity of an engine and which has a long period including at least the charging period of said capacitor.

REFERENCES:
patent: 3599615 (1969-05-01), Foreman
patent: 3863616 (1975-02-01), Wood
patent: 3960129 (1976-06-01), Hofer et al.
patent: 4034731 (1977-07-01), Sato
patent: 4036201 (1977-07-01), Burjon
patent: 4144854 (1969-03-01), Katada et al.
patent: 4176643 (1979-12-01), Boeghly
patent: 4184467 (1980-06-01), Kato et al.

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