Radial seal

Details Radial seal Radial seal

1989-02-16

1991-06-25

Shoap, Allan N.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277192, 4151745, F16J 15447

Patent

active

050260758

ABSTRACT:
A radial labyrinth seal includes a foot portion which is inserted into a groove in a stationary member, and a radially extending portion with a tip or periphery which is spaced apart from a rotating body by a small gap. In accordance with one embodiment, the radial labyrinth seal includes a carrier ring having a slot in one side, and a rider ring having a foot portion which fits into the slot of the carrier ring, the rider ring providing the radially extending portion. In another embodiment, slots are provided on both sides of the carrier ring, and rider seal elements are mounted in the slots with caulking rings. While the seal of the invention may be used in original equipment, it is particularly adapted for use as a replacement seal in equipment which previously employed an axial labyrinth sealing arrangement.

REFERENCES:
patent: 949440 (1910-02-01), Richardson et al.
patent: 1419927 (1922-06-01), Hodgkinson
patent: 1857961 (1932-05-01), Lamb
patent: 2242673 (1941-05-01), Hanzlik
patent: 2279863 (1942-04-01), Downer
patent: 3377075 (1968-04-01), Feller

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