| 发明名称 |
TRANSDUCING DEVICE FOR INTERNAL CONTACTLESS ULTRASONIC INSPECTION OF PIPELINES OR TUBINGS |
| 摘要 |
<p>A TRANSDUCING DEVICE FOR INTERNAL CONTACTLESS ULTRASONIC INSPECTION OF PIPELINES OR TUBINGS A transducing device for internal contactless ultrasonic inspection of pipelines or tubings comprising: means for electromagnetically generating elastic waves within the wall of the pipeline or tubing to be inspected; means for connecting mechanically said device to a means for moving said device through the pipeline or tubing wherein said generating means comprises a magnetic means and at least one transmitting coil, said transmitting coil being arranged on one of the poles of the said magnetic means and wherein, in use, the said poles of the magnetic means are directed to the wall of the pipeline or tubing under inspection. Fig. 1</p> |
| 申请公布号 |
CA1246202(A) |
申请公布日期 |
1988.12.06 |
| 申请号 |
CA19850486946 |
申请日期 |
1985.07.17 |
| 申请人 |
SHELL CANADA LIMITED |
发明人 |
VAN DEN BERG, WILHELMUS H.;HOMS, MARINUS H.;VAN OORSCHOT, BOB P.J. |
| 分类号 |
G01N29/04;G01N29/24;(IPC1-7):G01N29/04 |
主分类号 |
G01N29/04 |
| 代理机构 |
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