Transistor ignition circuit

Details Transistor ignition circuit Transistor ignition circuit

1988-01-21

1990-03-27

Dolinar, Andrew M.

Internal-combustion engines

Charge forming device

Fuel injection system

123335, 123424, F02P 108

Patent

active

049111264

ABSTRACT:
The present invention discloses a multiple spark transistor ignition circuit which is able to provide negligible retardation of ignition time, and/or prevent ignition with reverse rotation and/or provide an additional advanced spark and/or govern maximum engine speed and/or progessively advance the moment of ignition with increasing engine speed. The basic circuit comprises an ignition circuit of the type disclosed in U.S. Pat. No. 4,163,437 (Notaras) with a diode interposed between the primary winding and the remainder of the circuit. Circuits having a single primary winding and dual remainders or dual primary windings and single remainders are also disclosed. A governor circuit having a control transistor, a further potential divider and a control capacitor, is also disclosed.

REFERENCES:
patent: 3866589 (1975-02-01), Haubner et al.
patent: 3878824 (1975-04-01), Haubner et al.
patent: 3938491 (1976-02-01), Mazza
patent: 3958546 (1976-05-01), Ohki et al.
patent: 3963015 (1976-06-01), Haubner et al.
patent: 4090488 (1978-05-01), Ohki et al.
patent: 4144854 (1979-03-01), Katada et al.
patent: 4163437 (1979-08-01), Notaras et al.
patent: 4188929 (1980-02-01), Podrapsky et al.
patent: 4342304 (1982-08-01), Tanabe

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