FIELD: construction.
SUBSTANCE: device to diagnose technical condition of a pipeline, comprising a source of magnetic field and a receiver to receive a signal installed outside the pipeline as capable of displacement, at the same time in the pipeline there is an additional source of magnetic field capable of displacement. Besides, the additional source of magnetic field capable of displacement is made of a toroid with a source of magnetic field filled with liquid or gas.
EFFECT: increased accuracy of pipeline defects detection.
4 cl, 5 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD TO RESTORE PIPELINES AND DEVICE FOR ITS REALISATION | 2010 |
|
RU2459135C2 |
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|
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| METHOD OF MAKING SHELLS AND DEVICE TO THIS END | 2011 |
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RU2468914C1 |
| METHOD OF CLEANING INNER SURFACES OF HOLLOW STRUCTURES AND DEVICE TO THIS END | 2011 |
|
RU2492003C2 |
