Internal-combustion engines – High tension ignition system – Using capacitive storage and discharge for spark energy
Patent
1979-10-19
1981-08-25
Lall, P. S.
Internal-combustion engines
High tension ignition system
Using capacitive storage and discharge for spark energy
123600, 123618, 315209CD, 315209SC, F02P 308, F02P 306
Patent
active
042853214
ABSTRACT:
Breakerless capacitor discharge ignition system for internal combustion engines in which a charge coil and ignition coil are disposed on ferromagnetic core. A changing flux is established by rotation of permanent magnets past the core. The charge coil is connected to charge a capacitor in circuit with a silicon controlled rectifier (SCR) for discharging the capacitor through the primary winding of an ignition transformer. The charge coil and transformer are wound on the core such that voltages of opposite polarity are simultaneously induced therein by the changing magnetic flux. A half way voltage of one polarity charges the capacitor and a voltage of opposite polarity induced in the secondary winding by the changing magnetic flux triggers the SCR to its conductive state discharging voltage stored on said capacitor through the primary winding of the ignition coil.
REFERENCES:
patent: 3303385 (1967-02-01), Staiger
patent: 3439663 (1969-04-01), Lombardini et al.
patent: 3741184 (1973-06-01), Tanner et al.
patent: 3955549 (1976-05-01), Burson
patent: 4036201 (1977-07-01), Burson
patent: 4046125 (1977-09-01), Mackie
patent: 4170977 (1979-10-01), Carmichael et al.
Burson Bob O.
Phelon Russell D.
Lall P. S.
R. E. Phelon Company, Inc.
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