System and method for conducting electromagnetic resonant cavity inspection of gun barrels
US9310321B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 28, 2012 |
| Grant date | Apr 12, 2016 |
| Priority date | — |
| Expiry date | Sep 26, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2203/006
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A system and associated method for quickly and automatically determining if the safety and performance of a gun tube have been compromised by firing damage or by an excessive number of fatigue cycles. An electromagnetic resonant cavity inspection provides a means of rapidly evaluating the health of the gun tube by monitoring the resonant frequencies that evolve from microwave signals introduced into the cavity or bore of the gun tube. This approach exploits the high sensitivity of the electromagnetic cavity resonance phenomena. Defects and degradation in the structure's cavity produce quantifiable changes in the quality factor, frequency shifts, and mode splitting.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.