Saint-Gobain Performance Plastics Corporation

Xiang Yan

Chien Nguyen

Van Duong

Zamzam Golmohammadi

Systems and methods include providing a seal for an assembly. The seal includes a jacket having a base, an inner sealing leg, and an outer sealing leg, and further includes a spring disposed within the jacket between and in contact with the inner sealing leg and the outer sealing leg. The spring includes a metallic annular body comprising an inner diameter and an outer diameter, and a plurality of radially cut perforations disposed about at least one of the inner diameter and the outer diameter of the metallic annular body.

Seal with radial cut torus spring

A seal including: annular jacket including a body including a heel, a first lip, and a second lip defining an annular recess, the first lip including an arcuate exterior portion, and having a thickness, W, and a length L; and an annular energizer disposed within the annular recess, adjacent to at least one of the first lip and the second lip, wherein the heel comprises a cutout portion, and wherein the ratio of L:Wis greater than 2.

Seals and methods of making and using the same

A seal assembly for high pressure equipment is disclosed and can include a back-up ring having a head and an extension extending from the head. The extension can include an interior surface that extends axially away from and radially inwardly from the head. The seal assembly can also include a spring energized seal having a jacket having a sealing portion with an annular spring disposed within the sealing portion of the jacket. At least a portion of the jacket fits around the extension of the back-up ring and wherein the back-up ring has a minimum inner diameter, ID, the spring energized seal has a minimum inner diameter, ID, and IDis less than ID.

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Barrington, RI, United States of America

Xiang Yan