公开(公告)号：US11346447B2

公开(公告)日：2022-05-31

申请号：US16447996

申请日：2019-06-21

Applicant: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION

Inventor： Chien Nguyen ,  Xiang Yan ,  Van Duong

IPC: F16J15/02

Abstract: 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, IDBUR, the spring energized seal has a minimum inner diameter, IDSES, and IDSES is less than IDBUR.

公开(公告)号：US11708910B2

公开(公告)日：2023-07-25

申请号：US16730103

申请日：2019-12-30

Applicant: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION

Inventor： Van Duong ,  Bedros J. Taslakian

IPC: F16J15/32 ,  F16J15/3284 ,  F16J15/3232 ,  F16J15/3208

CPC classification number: F16J15/3284 ,  F16J15/3208 ,  F16J15/3232

Abstract: A seal comprising: an annular body defining an inner sidewall and an outer sidewall extending from a base; and a plurality of energizing elements disposed within a recess between the inner and outer sidewalls, wherein at least two adjacent energizing elements of the plurality of energizing elements have different unit loads as compared to one another, and wherein the at least two adjacent energizing elements contact the inner sidewall.