Fluid handling – Systems – Flow path with serial valves and/or closures
Patent
2000-02-22
2000-09-26
Lee, Kevin
Fluid handling
Systems
Flow path with serial valves and/or closures
2511497, 285108, 285110, 285917, F16L 2900
Patent
active
061231045
ABSTRACT:
An undersea hydraulic coupling having a metal seal with a Y-shaped cross section that provides a face type seal between the male and female coupling members is disclosed. The inner circumference of the Y-shaped seal remains engaged with the face of the male member even when there is partial separation of the members, without any pre-loading devices. If the male member is partially removed from the female member bore, a face-type seal is maintained with the face of the male member and a sliding radial seal is maintained with the receiving chamber wall. The seal slides with the male member as it is partially withdrawn from the female member receiving chamber.
REFERENCES:
patent: 4637470 (1998-09-01), Weathers et al.
patent: 4884584 (1989-12-01), Smith
patent: 5015016 (1991-05-01), Smith, III
patent: 5355909 (1994-10-01), Smith, III
patent: 5810047 (1998-09-01), Kirkman
patent: 5810048 (1998-09-01), Zeiner-Gundersen
Lee Kevin
National Coupling Company Inc.
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