Optically switched high voltage distributor

Details Optically switched high voltage distributor Optically switched high voltage distributor

1995-06-19

1996-07-09

Argenbright, Tony M.

Internal-combustion engines

Igniters

Sparkers

123613, F02P 702

Patent

active

055334733

ABSTRACT:
High voltage switches distribute ignition voltages to spark plugs of an internal combustion engine. A high-voltage switch uses an array of high voltage semiconductor transistors mounted on a single insulated substrate. The high voltage array requires only a single transistor working with a single photo-diode to trigger the array. A light source is mounted in the center of a distributor cap and light from the light source is directed into a light directing rotor. The light directing rotor is designed to reflect light to the photo-diode trigger of each high voltage array. The control circuitry is operated with low voltage.

REFERENCES:
patent: 4267803 (1981-05-01), Formato
patent: 5002034 (1991-03-01), Herden et al.

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