Fixed valve stem oil seal

Details Fixed valve stem oil seal Fixed valve stem oil seal

1987-08-10

1989-03-14

Griffin, Donald A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

123188P, F16J 1532

Patent

active

048119601

ABSTRACT:
A fixed valve stem oil seal comprises cup-shaped inner and outer cases engageable with the valve guide of a piston-type internal combustion engine. A seal element is disposed between radial flanges on the cases so as to be radially movable relative thereto. The seal element is slidably engageable with the valve stem and said cases so as to effect a seal between the valve and valve guide.

REFERENCES:
patent: 1507567 (1924-09-01), Aschenbach
patent: 3333578 (1967-08-01), Muller
patent: 3450411 (1969-06-01), Skinner
patent: 3599992 (1971-08-01), Kammeraad
patent: 3829105 (1974-08-01), Kammeraad
patent: 4278261 (1981-07-01), Miura et al.

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