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US 7,111,874 B2Granted
Floating seal for undersea hydraulic coupling
AssigneeNational Coupling Company, Inc.
InventorRobert E. Smith, III
Life of this patent
Estimating the term…
Abstract
A floating seal for an undersea hydraulic coupling member is moveable radially to seal with the male coupling member even if there is some misalignment with the female coupling member. The floating seal is restricted from axial movement within the female coupling member receiving chamber. The floating seal may seal with the female coupling member.
Claims15
A female undersea hydraulic coupling member, comprising:
- a floating seal inserted into a receiving chamber of the female coupling member, the floating seal having a smaller outer diameter than the receiving chamber and being movable radially as a whole within the receiving chamber, the floating seal having at least one axially engageable seal positioned adjacent a first end thereof and at least one axially engageable seal positioned adjacent a second end thereof, and at least one sealing surface extending radially inwardly from the floating seal.
A floating seal for an undersea hydraulic coupling member comprising:
- a generally cylindrical elastomeric body having a first smaller outer diameter and a second larger outer diameter, a shoulder between the first and second outer diameters, an inner diameter having at least one sealing surface projecting inwardly therefrom, a first O-ring positioned in a groove in a first end of the floating seal, and a second O-ring positioned in a groove in the shoulder of the floating seal.
An undersea hydraulic coupling member comprising:
- a female coupling member having an internal bore and a receiving chamber with a shoulder intermediate the receiving chamber;
- a floating seal dimensioned for insertion into the receiving chamber and positioned against the shoulder, the floating seal moveable radially as a whole within the receiving chamber;
- and
- a retainer nut engageable with the female coupling member, the retainer nut configured to hold and restrict axial movement of the floating seal between the retainer nut and the shoulder.
1 more element
Dependencies are inferred from the claim text.