Shaft seal for slurry pumps

Details Shaft seal for slurry pumps Shaft seal for slurry pumps

1990-12-24

1992-07-14

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 82, 277133, 277237A, F16J 1516

Patent

active

051296594

ABSTRACT:
A shaft seal for slurry pumps is provided, wherein a dust lip is attached to the outer periphery of a rotary seal ring such that it extends from its one end positioned in a confining space over a packing for the rotary seal and terminates at its other end in front of a seal cover for the packing with a slight gap between them, thereby avoiding erosion of the packing by slurry and instabilization of the loads applied to the sliding surface of the seal rings by erosion of the dust lip.

REFERENCES:
patent: 1999662 (1935-04-01), Nell
patent: 2036453 (1936-04-01), Bary
patent: 3656820 (1972-04-01), Pensa
patent: 3861765 (1975-01-01), Follert et al.

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