Automatic valve characterization of digital valve positioners
US7178783B2 · kind B2 · utility
11Cited by
5References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 2003 |
| Grant date | Feb 20, 2007 |
| Priority date | — |
| Expiry date | Oct 10, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D7/0635
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A digital valve positioner is controlled to automatically characterize a valve to provide a linear relationship between the valve control signal and the amount of flow.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.