Pulsed high voltage igniter circuit

Details Pulsed high voltage igniter circuit Pulsed high voltage igniter circuit

2008-03-28

2009-11-03

Leja, Ronald W (Department: 2836)

Electricity: electrical systems and devices

Igniting systems

For electric spark ignition

C361S256000

Reexamination Certificate

active

07612982

ABSTRACT:
A high voltage generator circuit is provided. The high voltage generator circuit can generate a high voltage suitable for use with an igniter. While generating the required high voltage, the circuit results in a significantly reduced amount of electrical noise such that the disruption of adjacent, sensitive circuitry is minimized. More specifically, the circuit periodically generates a high voltage on an inductor and causes the high voltage generated to incrementally charge up and build up the voltage on a capacitor connected to the inductor. The capacitor is isolated from the adjacent, sensitive circuitry by way of a relay. Also, to minimize the number of components and complexity of the high voltage generator circuit, the inductor which is used to generate the high voltage is the inductor located within the relay, which is also used to switch the contacts of the relay.

REFERENCES:
patent: 3726630 (1973-04-01), Potts
patent: 3746920 (1973-07-01), Flatley
patent: 3795843 (1974-03-01), Ishida et al.
patent: 3906919 (1975-09-01), Asik et al.
patent: 5068570 (1991-11-01), Oda et al.

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