Valve coupling device forming metal-to-metal seal

Details Valve coupling device forming metal-to-metal seal Valve coupling device forming metal-to-metal seal

1997-09-11

2000-04-18

Lee, Kevin

Valves and valve actuation

With correlated flow path

Valve operated by joining flow path sections

2853321, F16L 3728

Patent

active

060505443

ABSTRACT:
A coupling element is disclosed that is capable of axial and lateral movement for use in connecting fluid lines such as control lines used in subsea drilling. The coupling element has a male sealing element with a first end, a second end, and a longitudinal axis extending between the first end and the second end. The male sealing element defines a generally frusto-conical sealing surface. A fluid passageway for the transmission of fluids is defined through the male sealing element along the longitudinal axis. The generally frusto-conical sealing surface forms a metal-to-metal seal when mated with a female sealing element. A female sealing element with a sealing surface that is complementary to the generally frustoconical sealing surface of the male coupling element is also disclosed. The female sealing element forms a pressure energized metal-to-metal seal with the male sealing element when the two are mated. A poppet valve element may be positioned within the fluid passageway of the female sealing element.

REFERENCES:
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patent: 3739846 (1973-06-01), Beson
patent: 3965977 (1976-06-01), Beson
patent: 4703774 (1987-11-01), Seehausen
patent: 4709725 (1987-12-01), Morrison
patent: 4796922 (1989-01-01), Prichard
patent: 4852611 (1989-08-01), Knerr et al.
patent: 4884584 (1989-12-01), Smith
patent: 5370153 (1994-12-01), Galle

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