Seal for a joint or juncture – Seal between relatively movable parts – Relatively rotatable radially extending sealing face member
Patent
1996-03-19
1997-09-02
Cuchlinski, Jr., William A.
Seal for a joint or juncture
Seal between relatively movable parts
Relatively rotatable radially extending sealing face member
277164, 277205, 277236, F16J 1540
Patent
active
056623410
ABSTRACT:
A metal-to-metal seal assembly which provides a dynamic seal between two moving members yet does not require constant compressive loading. A hollow seal ring is provided having a "C"-shaped cross section and containing a coiled spring. The seal ring is disposed between two telescoped members of an expansion joint, or polished bore receptacle, in an interference fit and is flanked by two bearing rings. The seal ring is located relative to the pressurized fluid so that the fluid pressure is equalized across the ring and remains constant between the two telescoped members despite relative movement therebetween.
REFERENCES:
patent: 4178020 (1979-12-01), Dopyera
patent: 4445694 (1984-05-01), Flaherty
patent: 4640516 (1987-02-01), Almada
patent: 5076594 (1991-12-01), Baugh
Helicoflex High Performance Sealing.
Cefilac Etancheite, Carbone Lorraine, pp. 7, 17.
EnerRing Resilent Metal Seals.
Advanced Products, Design Manual, Section 5-Metal-C-Rings.
Ezell Michael Dale
Pitts Glen E.
Annick Christina
Cuchlinski Jr. William A.
Halliburton Company
Imwalle William M.
Kice Warren B.
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