Insert for dynamic flow control
US7066200B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2002 |
| Grant date | Jun 27, 2006 |
| Priority date | — |
| Expiry date | Jun 3, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/7792
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An insert for being mounted in a valve housing (80) or a tubular member for dynamic flow control of a flowing medium. The insert comprises:—a first cup-shaped part (1) provided with an outflow area;—a second cup-shaped part (10) arranged axially displaceably within the first cup-shaped part (1) and provided with an inflow area;—a pressure spring (30) arranged for exerting a force (F) that seeks to force the two cup-shaped parts (1, 10) away from each other. The second cup-shaped part (10) is configured such in relation to the first cup-shaped part (1) that the inflow area of the first cup-shaped part (1) is closed in response to a displacement of the second cup-shaped part (10) in relation to the first cup-shaped part (1). Besides the inflow area of the second cup-shaped part (10) comprises at least one axial inflow slot (12) provided in 15 a sidewall (18) of the second cup-shaped part (10), which inflow slot (12) is closed in response to the displacement of the second cup-shaped part (10) in relation to the first cup-shaped part (1).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.