Dry valve stem seal

Details Dry valve stem seal Dry valve stem seal

F - Mech Eng,Light,Heat,Weapons

01

L

F01L 3/08 (2006.01)

Patent

CA 2358889

A valve stem seal assembly includes two annular hydraulic seals separated by a generally flat support member, where the seals are axially positioned back to back on an upper free end of a valve stem. The seals and the washer are secured along a radially outer circumference by a retainer, a lower portion of which contacts an upper surface of a valve guide. The valve stem is slideably sealed by an inner annular surface of both hydraulic seals.

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