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
F02P5/00—Advancing or retarding ignition; Control therefor
F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
F02P5/05—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using mechanical means
F02P5/06—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using mechanical means dependent on engine speed
Procédé et dispositif pour améliorer le régime de décharge d'un arc électrique produit entre deux électrodes, par interposition d'un élément isolant à résistance élevée au moins entre les électrodes, et appareil de génération d'ondes de choc utilisant un tel procédé ou dispositif, notamment pour la lithotrypsie hydraulique