Pump shaft lubricated bearing fluid seal assembly

Details Pump shaft lubricated bearing fluid seal assembly Pump shaft lubricated bearing fluid seal assembly

1993-09-13

1996-06-25

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 58, 277 71, 277 79, 2771673, 277 68, E21B 3300, F16J 900, F16J 1500

Patent

active

055293140

ABSTRACT:
A fluid pumping system includes a housing that defines a fluid chamber having a wall with an aperture therethrough to communicate the fluid chamber with an outside area. A shaft extends through the aperture, and is mounted for axial rotation. The shaft carries a plurality of seals within the aperture that serve to isolate the fluid chamber from the outside area. The seals are spaced apart to define respective cavities that may be liquid filled to prevent seal failure.

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