Instrument for detecting potential future failures of valves in critical control systems
US5646600A · kind A · utility
29Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 1995 |
| Grant date | Jul 8, 1997 |
| Priority date | — |
| Expiry date | Jan 12, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/45006
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
Apparatus for monitoring the health and response of critical electromechanical control valves to detect the likelihood of future valve malfunction including the use of wavelet decomposition to selectively enhance portions of the valve response signal for comparison with a normal valve response signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.