Ignition system having an electronic distributor

Details Ignition system having an electronic distributor Ignition system having an electronic distributor

1992-07-13

1993-03-23

Argenbright, Tony M.

Internal-combustion engines

High tension ignition system

Electronic cylinder sequencing

12314650A, 307311, F02P 702

Patent

active

051954966

ABSTRACT:
An ignition system for a spark ignited internal combustion engine has a plurality of high voltage switches connected respectively between a source of spark plug firing voltage and the spark plugs of the engine. Each high voltage switch includes a plurality of series connected light sensitive controlled rectifiers. The controlled rectifiers are associated with light emitting diodes which are positioned to apply light energy to the controlled rectifiers. When light energy is applied to a controlled rectifier, it is biased or gated conductive. The system is arranged such that all of the controlled rectifiers are biased conductive before the spark plug firing voltage is developed. A high voltage switch can be formed by mounting the controlled rectifiers on a substrate. The light emitting diodes are positioned such that the light emitted from one diode is applied to a plurality of controlled rectifiers.

REFERENCES:
patent: 2941119 (1960-06-01), Ford
patent: 3880132 (1975-04-01), Whatley, Jr.
patent: 4881512 (1989-11-01), Erskine et al.
patent: 4993395 (1991-02-01), Vogel et al.
patent: 5002034 (1991-03-01), Herden et al.
patent: 5109829 (1992-05-01), Herden et al.
patent: 5125387 (1992-06-01), De Wit et al.
General Electric SCR Manual, 4th Edition (1967); pp. 107-122.
Motorola Optoelectronic Device Data (1981); pp. 4-39.

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