Ball joint seal
AssigneeFreudenberg Oil & Gas, LLC
InventorsBrian A. WALLACE, Reza PAYVAR
Life of this patent
Estimating the term…
Abstract
The pipe ball joint includes a casing having a socket portion with a substantially spherical interior surface and a first pipe segment extending from the socket portion. The socket portion has an annular groove disposed adjacent the partially spherical interior surface. A ball pipe section includes a ball segment received in the socket portion of the casing and a second pipe segment extending from the ball segment. A seal assembly is received in the annular groove of the casing and is disposed against the ball segment of the ball pipe section. The seal assembly includes a plurality of nested seal rings that each include a concave face and a convex face.
Claims14
A pipe ball joint, comprising:
- a casing having a socket portion with a substantially spherical interior surface, the casing including a pipe section extending therefrom;
- a ball pipe section including a ball segment received in the socket portion;
- a seal assembly received in an annular groove of the socket portion and disposed against the ball segment of the ball pipe section, the seal assembly including a plurality of nested seal rings each having a concave face and a convex face, wherein the convex face of the nested seal rings are received in a concave face of an adjacent nested seal ring;
- and
- a push ring disposed against the seal assembly.
A pipe ball joint, comprising:
- a casing having a socket portion with a substantially spherical interior surface, the casing including a pipe section extending therefrom;
- a ball pipe section including a ball segment received in the socket portion;
- a seal assembly received in an annular groove of the socket portion and disposed against the ball segment of the ball pipe section, the seal assembly including a plurality of nested seal rings each having a chevron-shape in cross-section;
- and
- a push ring disposed against the seal assembly.
Dependencies are inferred from the claim text.