SPARK AMPLIFIED Russian patent published in 1999 - IPC

FIELD: mechanical engineering; internal combustion engines; electrical equipment. SUBSTANCE: amplifier for spark plug consisting of body with electrode and insulator with central electrode and connecting threaded tip has capacitor in form of detachable cap of ceramic bushing with outer and inner plates and threaded fastening device. One end face of ceramic bushing forms electric contact of outer plate with spark plug body by means of metallic shell, and inner plate of ceramic bushing and central electrode also form and electric contact. Design peculiarity of amplifier is that tubular insulator with electrode is rigidly secured in second end face of ceramic bushing. Electrode follows connecting dimensions if insulator and connecting threaded end of spark plug. EFFECT: provision of high power spark discharge and possibility of easy demounting of amplifier. 2 cl, 1 dwg