Ultrasonic leakage inspection device of non-pressure type
US6430988B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 26, 2000 |
| Grant date | Aug 13, 2002 |
| Priority date | — |
| Expiry date | Jan 26, 2020 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N29/223
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Leakage inspection of items, such as vessels and pipings, is performed using an ultrasonic wave under no pressure with a device of simple structure. The ultrasonic leakage inspection device according to the present invention comprises an ultrasonic wave emitting unit having at least one ultrasonic emitting element for emitting an ultrasonic wave of a predetermined frequency and an ultrasonic detector including an ultrasonic sensor for detecting an ultrasonic wave. For leakage inspection of the items, the ultrasonic emitting unit is put inside the item in a sealed condition so that the ultrasonic wave is emitted uniformly inside the item, and the ultrasonic sensor is moved around the item. Any leakage defects of the item can be detected by sensing any ultrasonic wave leaked therefrom by the ultrasonic sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.