Plasma ignition system for internal combustion engine

Details Plasma ignition system for internal combustion engine Plasma ignition system for internal combustion engine

1981-07-31

1983-08-16

Argenbright, Tony M.

Internal-combustion engines

High tension ignition system

High frequency ignition system

123143B, 123620, 123637, 123640, F02P 308

Patent

active

043985262

ABSTRACT:
A plasma ignition system for a multi-cylinder internal combustion engine each cylinder having a plasma ignition plug, including diesel engine. According to the present invention, in addition to the elements of the conventional plasma ignition system there is provided an oscillation device which generates and outputs a high-frequency oscillating voltage into each of the plasma ignition plugs to be ignited before the plasma ignition timing so that a multiple sparking occurs and therefore the resistance of the plasma ignition plug to be ignited is reduced to facilitate plasma ignition with relatively low plasma ignition energy without misfire even during a high engine load.

REFERENCES:
patent: 3934566 (1976-01-01), Ward
patent: 4122816 (1978-10-01), Fitzgerald et al.
patent: 4136301 (1979-01-01), Shimojo et al.
patent: 4223656 (1980-09-01), Hamley
patent: 4258296 (1981-03-01), Gerry
patent: 4287862 (1981-09-01), Noguchi et al.
SAE article 770355, "Design of a Plasma Jet Ignition System for Automotive Application", by Asik et al., Feb. 28-Mar. 4, 1977.

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