Erosion-resistant valve trim
US11713830B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2020 |
| Grant date | Aug 1, 2023 |
| Priority date | — |
| Expiry date | Oct 22, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16K31/12
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A valve trim for use in a fluid flow control device. The valve trim includes a cage body defined by an outer cage wall and an inner cage wall coupled to the outer cage wall, the outer cage wall spaced radially outward of the inner cage wall. The valve trim also includes a plurality of first flow characterizing passages formed in the outer cage wall, and a plurality of second flow characterizing passages formed in the inner cage wall. The cage body is at least partially made of an erosion-resistant material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.