Rotatable seal element for a rotary machine

Details Rotatable seal element for a rotary machine Rotatable seal element for a rotary machine

1996-07-18

1999-11-16

DePumpo, Daniel G.

Seal for a joint or juncture

Seal between relatively movable parts

Close proximity seal

277412, 277414, 277418, F16J 1548

Patent

active

059843144

ABSTRACT:
A rotatable seal element 38 is formed of at least two circumferentially continuous rings 48,50. The rings have decreased thickness T.sub.2, T.sub.3 in the outward direction. Various construction details are developed which effect the level of cyclic fatigue life. In one particular embodiment, the seal element has a flat surface 74 extending inwardly from the sides at the interface between the rings.

REFERENCES:
patent: 898257 (1908-09-01), Parsons et al.
patent: 1505647 (1924-08-01), Junggren
patent: 3339933 (1967-09-01), Foster
patent: 4351532 (1982-09-01), Laverty
patent: 4606102 (1986-08-01), Riethmuller
patent: 5143383 (1992-09-01), Glynn et al.
patent: 5152666 (1992-10-01), Stripinis et al.
patent: 5320488 (1994-06-01), Meade et al.

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