Floating seal ring

Details Floating seal ring Floating seal ring

1992-10-23

1994-04-05

Cuchlinski, Jr., William A.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277 27, 277136, F16J 1538

Patent

active

052998134

ABSTRACT:
A floating seal ring is disposed within a retainer ring encircling a shaft which extends through the retainer ring. The seal ring is permitted to float radially with respect to the shaft but is retained axially with respect to the shaft. A pin protrudes from the seal ring into a bore in the retainer ring to preclude rotational movement of the seal ring relative to the shaft. The seal ring has an inner diameter which is greater at one end thereof than at the other end thereof so that fluid flow through an annular clearance between the seal ring and the shaft is accelerated. In one embodiment, the seal ring has an annular inner surface that is tapered. In another embodiment, the seal ring has an annular inner surface that is stepped.

REFERENCES:
patent: 967247 (1910-08-01), Samuelson
patent: 1722490 (1929-07-01), Bott et al.
patent: 3001806 (1961-09-01), Macks
patent: 4289264 (1981-09-01), Rawlins
patent: 4504069 (1985-03-01), Stenlund
patent: 4552368 (1985-11-01), Wallace
patent: 4889349 (1989-12-01), Muller
ASME Transactions, vol. 107, pp. 318-325, Jul. 1985.

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