Fluid flow control valve
US8622075B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 23, 2009 |
| Grant date | Jan 7, 2014 |
| Priority date | — |
| Expiry date | Sep 11, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86734
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
The invention provides a fluid flow control valve (1) comprising a cylindrical inlet chamber (2) having a fluid inlet aperture (3) and a coaxial waisted cylindrical outlet chamber (4) having a fluid outlet aperture (5), said inlet chamber containing a coaxial cylindrical cage (6) opening into said outlet chamber and said cage having in its cylinder wall at least one valve aperture (7) to allow fluid to pass from said fluid inlet aperture into said outlet chamber, said control valve further comprising a coaxial cylindrical plug (10) movable axially relative to said cage to close and open said valve aperture and a valve actuator (9, 11, 12, 13) operable to move said plug or cage relative to each other whereby to close or open said valve aperture, wherein said valve aperture is arranged to provide fluid exiting said cage from said inlet chamber with a velocity component tangential to the cylindrical axis (31) of said cage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.