Radial shaft sealing ring

Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member

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Details

277 24, 277134, 277152, 277153, F16J 1532

Patent

active

052716295

ABSTRACT:
A radial shaft sealing ring has a filtering device which is disposed upstream of main seal. The filtering device comprises a sealing lip 3 which surrounds the shaft to be sealed with a cylindrical surface 5 spaced radially apart at a distance D, this gap being of a capillary narrowness. On the axial end facing chamber A to be sealed, the cylindrical surface 5 is bounded by a conical surface 10 which encloses a conical angle of 60 to 120 degrees.

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