Induced nuclear reactions: processes – systems – and elements – Fuel component structure – With condition sensing or indicating means
Patent
1984-08-03
1989-08-22
Kyle, Deborah L.
Induced nuclear reactions: processes, systems, and elements
Fuel component structure
With condition sensing or indicating means
376463, G21C 1700
Patent
active
048594083
ABSTRACT:
An insert for providing a reduced inside diameter for a structural tube, specifically an instrumentation guide tube, of a nuclear fuel assembly. The insert has forming lobes which coact with the structural tube to plastically deform the structural tube and mechanically lock it with respect to grid straps of a grid assembly. The insert also has centering lobes to prevent it from being expanded in other than a coaxial alignment with the structural tube. An expansion tool is provided for sequentially registering with and expanding sequential forming lobes in a simplified manner whereby all of the operations necessary to assemble the structural tube in the fuel assembly can be easily and accurately performed.
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Kyle Deborah L.
Wendtland Richard W.
Westinghouse Electric Corp.
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