Apparatus for inspecting difficult to access objects
US6181411A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 14, 1998 |
| Grant date | Jan 30, 2001 |
| Priority date | — |
| Expiry date | Aug 14, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2021/9546
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Apparatus for inspecting the surfaces of inaccessible objects such as the components of a nuclear power plant steam generator includes: an articulated inspection wand having a proximal end and a distal end movable into position adjacent the surface to be inspected, a laser light source located remotely from the distal end, first and second position sensing detectors located remotely from the distal end of the wand, first and second extending imaging light guides extending from the laser light source, and the position sensing detectors to the distal end of the wand.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.