Ignition device for plasma jet ignition plug

Details Ignition device for plasma jet ignition plug Ignition device for plasma jet ignition plug

2011-03-01

2011-03-01

Huynh, Hai H (Department: 3747)

Internal-combustion engines

High tension ignition system

Having specific trigger circuitry

C123S14300R

Reexamination Certificate

active

07895994

ABSTRACT:
An ignition device for a plasma jet ignition plug is provided. A resistance for decreasing electric noises is not incorporated in a plasma jet ignition plug. A resistance of not less than 1KΩ and not more than 20KΩ is provided to a path from a spark discharge circuit to a center electrode, thus reducing the generation of electric noises at the time of trigger discharge. Along with the reduction of the generation of electric noises, a loss of energy at the time of plasma discharge can be reduced by setting an inner resistance provided to a line extending to the center electrode from a plasma discharge circuit to 1Ω or less. Accordingly, the plasma jet ignition plug can jet flame-shaped plasma sufficiently large for igniting an air-fuel mixture.

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patent: 2009030593 (2009-02-01), None

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