Induced nuclear reactions: processes – systems – and elements – Testing – sensing – measuring – or detecting a fission reactor... – Vessel monitoring or inspection
Patent
1996-02-02
1998-07-28
Wasil, Daniel D.
Induced nuclear reactions: processes, systems, and elements
Testing, sensing, measuring, or detecting a fission reactor...
Vessel monitoring or inspection
376260, 414 8, 414618, G21C 1701
Patent
active
057871370
ABSTRACT:
Methods and apparatus for performing repairs and inspections in a reactor pressure vessel (RPV) of a nuclear reactor are described. In one embodiment of the apparatus, a support mast facilitates the positioning of tools within the RPV, especially at locations that are extremely difficult to access using known methods and apparatus. In the one embodiment, a mast extends in the reactor pressure vessel and through an opening in the top guide and through an opening in the core plate. The mast includes an outer tube and an inner tube positioned at least partially within the outer tube. The inner tube is connected to a robotic arm. A slot is formed in the outer tube and the slot extends at least partially along the axial length of the mast. The portion of the inner tube positioned at the location of the slot is in free communication with the reactor components when the mast is positioned within the RPV. The robotic arm can access the reactor components through the slot in the outer tube.
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patent: 5521950 (1996-05-01), Whitling
Delgado Rene
Krampfner Yehuda
Matsumoto Jack Toshio
Nelson, III Alfred Stanley
General Electric Company
Wasil Daniel D.
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