F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
F02P9/00—Electric spark ignition control, not otherwise provided for
F02P9/002—Control of spark intensity, intensifying, lengthening, suppression
F02P9/007—Control of spark intensity, intensifying, lengthening, suppression by supplementary electrical discharge in the pre-ionised electrode interspace of the sparking plug, e.g. plasma jet ignition
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Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
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Ignition Installations For Internal Combustion Engines (AREA)
Combustion Methods Of Internal-Combustion Engines (AREA)