Self-relieving ball valve seat
US11143313B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Apr 27, 2018 |
| Grant date | Oct 12, 2021 |
| Priority date | — |
| Expiry date | Apr 27, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/6041
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A system, in certain embodiments, includes an annular ball valve seat including an annular spring, which biases the annular ball valve seat axially. More specifically, in certain embodiments, the annular ball valve seat includes a main body section, a lip section extending from the main body section, and a seat groove between the main body section and the lip section, wherein the first annular spring is disposed within the seat groove. A first leg of the annular spring biases the lip section in a first axial direction and a second leg of the annular spring biases the main body section in a second axial direction opposite the first axial direction. The annular ball valve seat is configured to be disposed within a ball valve, on either side of a ball of the ball valve. The particular design of the annular ball valve seat enables pressure within a body cavity of the ball valve to be self-relieving.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.