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公开(公告)号:US20230375088A1
公开(公告)日:2023-11-23
申请号:US18319815
申请日:2023-05-18
Inventor: Gino L. Stevenheydens , Peter Aerts , Shabarish Nunna , Herman M. Dubois
IPC: F16J15/3212 , F16J15/3236
CPC classification number: F16J15/3212 , F16J15/3236
Abstract: An energizing element including: an energizing element body including an annular filament oriented about a central axis, the annular filament including a plurality of oscillations generally directed down the central axis, where at least one oscillation includes an internal circumferential void having a first circumferential width, WFV, and a second circumferential width, WSV, located at a different axial position along the oscillation, and where WFV≠WSV.
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公开(公告)号:US11448321B2
公开(公告)日:2022-09-20
申请号:US16527394
申请日:2019-07-31
Inventor: Jan Kustermans , Benny Proost , Gabriele Tittonel , Herman M. Dubois , Philippe Burlot , Andrea Maffezzoli , Shabarish Nunna , Andreas Vanvaerenbergh , Filip Rousseau
IPC: F16J15/3284 , F16K5/06
Abstract: A seal for a ball valve comprising a resilient ring defining an engagement feature; a first polymer ring disposed adjacent to a first axial end of the resilient ring and coupled with the engagement feature; and a second polymer ring disposed adjacent to a second axial end of the resilient ring and coupled with the engagement feature.
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