SPARK PLUG Russian patent published in 1997 - IPC

Abstract RU 2080720 C1

FIELD: internal-combustion engines. SUBSTANCE: insulator in bottom part is made in the form of hollow cylinder with flat end surface without central electrode, and helical groove is provided on inner surface formed in the process whose pointed edges function as centers of ionization and as guiding tracks for accelerating charged particles of spark discharge; end surface carries flat break spiral in the form of set of holes whose edges also function as centers of ionization. EFFECT: improved design. 1 dwg

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RU 2 080 720 C1

Authors

Gushchin V.V.

Dates

1997-05-27—Published

1994-05-04—Filed