Back to results
US 7,063,328 B2Granted
Undersea hydraulic coupling with seal retainer
AssigneeNational Coupling Company, Inc.
InventorRobert E. Smith, III
Life of this patent
Estimating the term…
Abstract
An undersea hydraulic coupling member has a seal retainer that holds and secures a plurality of annular seals that may be removed from the coupling member together with the seal retainer. At least one of the seals is a pressure energized hollow metal seal. The seal retainer includes a shell that engages the coupling member and a seal carrier that holds the annular seals.
Claims18
An undersea hydraulic coupling member, comprising:
- a body having an internal bore and a shoulder intermediate the bore;
- a seal retainer insertable into the bore to abut the shoulder, the seal retainer having an outer shell and an inner seal carrier, the inner seal carrier sliding into the outer shell;
- and
- a first annular metal seal and a second annular metal seal positioned on the seal carrier;
- the first and the second annular metal seals insertable into and removable from the undersea hydraulic coupling together with the inner seal carrier.
2 more elements
An undersea hydraulic coupling member comprising:
- a body having an internal bore with a first end and a second end, a valve to control hydraulic fluid flow through the bore, a receiving chamber at the second end of the bore and a beveled, circumferential, metal sealing surface in the receiving chamber;
- and
- a seal retainer in the receiving chamber;
- the seal retainer having an interior end, an exterior end, an inner diameter, a shoulder, and a first annular metal seal retained on the shoulder at the inner diameter, the seal retainer having an integral, beveled, circumferential, metal sealing surface between the shoulder and the interior end to seal by direct metal-to-metal contact with the metal sealing surface in the receiving chamber.
1 more element
A seal retainer for a female undersea hydraulic coupling member comprising:
- a shell to engage the female undersea hydraulic coupling member;
- the shell having an internal shoulder;
- a seal carrier having a first end, a second end, and an internal shoulder;
- the first end of the seal carrier fitting at least partially inside the shell;
- a first annular metal seal and a second annular metal seal secured to the seal carrier at the second end thereof;
- a third annular seal secured between the internal shoulder of the shell and the internal shoulder of the seal carrier.
3 more elements
Dependencies are inferred from the claim text.