Ball valve seat arrangement
US7635113B2 · kind B2 · utility
15Cited by
27References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 14, 2005 |
| Grant date | Dec 22, 2009 |
| Priority date | — |
| Expiry date | Sep 3, 2025 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K5/0673
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Ball valves that include a gland that is interposed between a spring and a seat. The ball valves include a valve body, a ball, a valve seat, and an annular spring. The spring urges the gland member toward the valve seat to urge the valve seat toward the ball.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.