Apparatus for inspecting a boiling water reactor core shroud

Details Apparatus for inspecting a boiling water reactor core shroud Apparatus for inspecting a boiling water reactor core shroud

1997-03-27

1998-07-21

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Testing, sensing, measuring, or detecting a fission reactor...

Vessel monitoring or inspection

73640, G21C 17007

Patent

active

057844259

ABSTRACT:
An inspection apparatus is suspended from a robotic positioning arm and is operable to inspect the surface of a boiling water reactor core shroud. The apparatus includes an attachment bracket connected to the robotic positioning arm. A guide is connected to the attachment bracket and receives an arcuate rail having a first end portion and an opposite second end portion. A motor assembly drives the rail within the guide to position the rail at a desired location along the core shroud surface relating to the guide. The rail carries a transducer assembly which is moved along the rail by a chain and sprocket assembly. As the motor assembly drives the rail, the chain and sprocket assembly simultaneously moves the transducer assembly along the rail to inspect the core shroud surface.

REFERENCES:
patent: 3811320 (1974-05-01), Cowell
patent: 5586155 (1996-12-01), Erbes et al.

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