Scanning apparatus and method for inspection of header tube holes
US4710710A · kind A · utility
22Cited by
4References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1986 |
| Grant date | Dec 1, 1987 |
| Priority date | — |
| Expiry date | Apr 22, 2006 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N27/902
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An apparatus for scanning header tube holes includes a probe assembly designed to engage the surface of the header encircling a header tube hole. The probe assembly includes a spring mounted sensor, in a preferred arrangement, an eddy current probe. A mechanism is provided for supporting and positioning the probe assembly. The mechanism is adapted, in operation, with resilient rings engaging the tube stub. A drive device is provided for imparting axial and circumferential movement to the probe relative to the surface of the hole which is to be inspected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.