Low torque ball valve seat
US6988708B2 · kind B2 · utility
13Cited by
29References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 6, 2003 |
| Grant date | Jan 24, 2006 |
| Priority date | — |
| Expiry date | Dec 15, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K1/2265
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A ball has a valve body defining an inner cavity and a fluid inlet and fluid outlet, a control ball element rotatably mounted in the inner cavity, and having a segment defining a ball face, and a flexible valve seat positioned in the valve body. The seat comprises a base portion, a cantilevered portion with a sealing face disposed toward the ball face, and a connecting portion between the base portion and the cantilevered portion that is lesser in width than are the base portion and the cantilevered portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.