Non-invasive system and method for inspection of valves
US5008841A · kind A · utility
53Cited by
16References
22Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 28, 1989 |
| Grant date | Apr 16, 1991 |
| Priority date | — |
| Expiry date | Jul 28, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/8225
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A non-invasive system and method is provided for the inspection of check valves which combines acoustic and magnetic techniques. The acoustic and magnetic techniques are used to measure check valve disk motion and internal impacts or vibrations resulting from the disk motion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.