Choke valve with flow-impeding recesses
US9759347B2 · kind B2 · utility
8Cited by
10References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 11, 2009 |
| Grant date | Sep 12, 2017 |
| Priority date | — |
| Expiry date | Mar 4, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7837
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Disclosed is a device that includes a choke valve. The choke valve may include a generally tubular throttling member having a sealing shoulder disposed in an inner volume of the throttling member, a plurality of openings configured to flow a fluid between the inner volume of the throttling member and an outer volume of the throttling member, and a flow-impeding recess disposed between the sealing should and the plurality of openings in the inner volume of the throttling member. The choke valve may also include a valve member disposed at least partially in the inner volume of the throttling member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.