FIELD: sparking plugs of internal combustion engines. SUBSTANCE: sparking plug system includes main electrode, insulator surrounding it, electrode element, pre-combustion chamber formed by insulator and electrode element with Venturi channel communicating with pre-combustion chamber. Sparking plug is placed at some distance from channel. EFFECT: prevention of carbon deposition on electrode, increased reliability and service life of sparking plug. 8 cl, 9 dwg
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Authors
Dates
1999-08-10—Published
1995-06-19—Filed