INTERNAL COMBUSTION ENGINE VALVE COVER SEAL Russian patent published in 1999 - IPC

Abstract RU 2138666 C1

FIELD: mechanical engineering; internal combustion engines. SUBSTANCE: spark plug well seal of valve cover has vertical surface with thicker ring portion, and horizontal surface with concentric projections. The latter is made to suit diameter of inner holes of spark plug well with variable section profile. EFFECT: enhanced reliability of sealing of valve covers, simplified design of covers, facilitated mounting of seals at assembling. 1 dwg

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RU 2 138 666 C1

Authors

Navalikhin A.I.

Dates

1999-09-27—Published

1998-02-03—Filed