Systems and methods for a plug valve
US11022228B2 · kind B2 · utility
1Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2018 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | Dec 27, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K25/04
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve seat is provided herein. The valve seat may include a ceramic valve seat insert positioned within a metal valve seat housing and comprising an indentation corresponding to a retention lip of the metal valve seat housing and a compliant sleeve positioned coaxially around at least a portion of an outer surface of the ceramic valve seat insert.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.