Voltage limited ignition system, particularly for an internal co

Details Voltage limited ignition system, particularly for an internal co Voltage limited ignition system, particularly for an internal co

1977-03-11

1978-09-19

Myhre, Charles J.

Internal-combustion engines

Igniters

Incandescent

123148S, 361 91, 361263, F02P 1100, F02P 100

Patent

active

041145828

ABSTRACT:
To prevent application of excessive spark energy in an ignition system designed for proper firing voltages even under low-battery voltage conditions, upon rise of the battery voltage to normal or excessive values, a voltage sensing circuit, including a threshold stage, is connected to the secondary of the ignition coil to sense the secondary voltage, the threshold stage providing an output when the voltage is exceeded and blocking continued supply of power to the ignition coil of the system to thereby limit the ignition voltage.

REFERENCES:
patent: 3458764 (1969-07-01), Gertsch et al.
patent: 3513353 (1967-08-01), Lansch
patent: 3710192 (1973-01-01), Budlane
patent: 3889159 (1975-06-01), Wessel
patent: 3947725 (1976-03-01), Lucas
patent: 4056838 (1977-11-01), Leib

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