High voltage generating circuit for an automotive ignition syste

Details High voltage generating circuit for an automotive ignition syste High voltage generating circuit for an automotive ignition syste

1983-04-27

1984-03-27

Argenbright, Tony M.

Internal-combustion engines

High tension ignition system

High frequency ignition system

123637, 123643, F02P 100

Patent

active

044387512

ABSTRACT:
A high voltage generating circuit for an automotive ignition system, wherein a current control circuit is provided in series with an automotive battery and a controlled high frequency switch to generate a high frequency, linearly increasing ignition current across the electrodes of the spark plugs of an internal combustion engine in order to accommodate shifts in the spark plug sustaining voltage which may occur due to changes in operating conditions. In a preferred embodiment, a DC-DC converter is inserted in series between the battery and the current control circuit to step-up the voltage applied to the current control circuit.

REFERENCES:
patent: 3408536 (1968-10-01), Tibbs
patent: 3945362 (1976-03-01), Nedman et al.
patent: 3973544 (1976-08-01), Suda
patent: 4149508 (1979-04-01), Kirk, Jr. et al.
patent: 4181112 (1980-01-01), Grather et al.
patent: 4245594 (1981-01-01), Morino et al.
patent: 4349008 (1982-09-01), Wainwright
patent: 4380989 (1983-04-01), Takaki

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