发明名称 |
Inspection of header tube holes. |
摘要 |
<p>Apparatus for scanning header tube holes includes a probe assembly (30) designed to engage the surface of a header encircling a header tube hole. The probe assembly includes a spring mounted sensor (31, 32) which is preferably an eddy current probe. A mechanism (40) is provided for supporting and positioning the probe assembly (30). The mechanism (40) is provided with resilient rings (43, 47) which, in operation, engage the tube stub. A drive device (50) is provided for imparting axial and circumferential movement to the probe (31, 32) relative to the surface of the hole which is to be inspected.</p> |
申请公布号 |
EP0242947(A2) |
申请公布日期 |
1987.10.28 |
申请号 |
EP19870301269 |
申请日期 |
1987.02.13 |
申请人 |
THE BABCOCK & WILCOX COMPANY |
发明人 |
FLORA, JOHN HARRIS;WOMACK, ROBERT EDWARD;STINNETT, CARLTON EUGENE;DALTON, CLAUDE WAYNE |
分类号 |
G01N27/20;F22B37/00;G01N27/90 |
主分类号 |
G01N27/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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