Valve stem seal

Details Valve stem seal Valve stem seal

1988-03-14

1989-03-14

Cross, E. Rollins

Internal-combustion engines

Valve

Valve head cooperates with manifold

277181, F01L 308

Patent

active

048117030

ABSTRACT:
A fixed valve stem oil seal comprises a cup-shaped case engageable with the valve guide of a piston-type internal combustion engine. An "O-ring" type seal element is disposed between radial flanges on the case and the valve guide so as to be radially movable relative thereto. The seal element is slidable engageable with the valve stem, valve guide, and said case so as to effect a seal between the valve and valve guide.

REFERENCES:
patent: 3699942 (1972-10-01), Moray

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