Method of locating sound generation within enclosure
US4352167A · kind A · utility
Assignees
Inventors
Key dates
| Filing date | Mar 12, 1980 |
| Grant date | Sep 28, 1982 |
| Priority date | — |
| Expiry date | Mar 12, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S5/30
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A number of sound detectors are provided on an external enclosure of a pressure vessel of a nuclear reactor. Output signals produced from the individual detectors are combined into a pattern in terms of time difference of the detector output signals relative to the time point at which the detected signal is first produced in response to the sound signal and relative peak values of the detector output signals relative to the magnitude of the output signal produced by the detector which detects the sound signal with the highest sensitivity. The pattern thus obtained is then compared with patterns which have been previously prepared by intentionally producing the sound signals at locations in interest within the pressure vessel, to thereby estimate the location within the pressure vessel at which the sound is produced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.