IGNITION COIL Russian patent published in 1999 - IPC

FIELD: mechanical engineering; internal combustion engines; ignition system of engine with built-in fuel burning control device using value of spark plug gap ionic conduction for its operation. SUBSTANCE: proposed ignition coil has core made up of electrical steel laminations, external open magnetic screen and flat measuring capacitor. Proposed coil differs from known ones in layout and provision of additional magnetic screen between measuring capacitor and core which reduces Foucault current losses. EFFECT: enhanced operation reliability. 5 cl, 4 dwg