SPARK PLUG Russian patent published in 2002 - IPC

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: invention can be used in engines and other plants where fuel ignition is required. Proposed spark plug has body with side electrode insulator secured in body and accommodating central electrode forming spark gap with side electrode. Side electrode is made in form of non-closed ring, is arranged either coaxially or in parallel with central electrode and is provided with additional bend engaging either with end face or side surface of the latter. EFFECT: provision of multipoint discharge and simplified design. 10 cl, 8 dwg