Energized packing retainer
US9429241B2 · kind B2 · utility
8Cited by
13References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 11, 2012 |
| Grant date | Aug 30, 2016 |
| Priority date | — |
| Expiry date | Oct 11, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87724
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Disclosed herein is a dual packing retainer and dual sealing ball valve for use generally in high pressure applications. Further disclosed herein are methods of detecting seal failure before the ball valve must be taken offline due to the presence of secondary or backup seals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.