Moving an entire nuclear reactor core as a unitary structure
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United States of America Patent
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Feb 16, 2021
Grant Date -
May 24, 2018
app pub date -
Nov 27, 2017
filing date -
Jul 9, 2012
priority date (Note) -
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Abstract
An entire nuclear fuel core comprising a plurality of fuel assemblies is preassembled in a nuclear fuel cartridge having a self-supporting unitary support structure. During a refueling operation, the unitary support structure is moved into a nuclear reactor vessel. The unitary support structure may be formed by top and bottom core plates coupled together by vertically-oriented connecting rods which compress the fuel assemblies therebetween. A plurality of reflector wall segments circumscribe the core and are the coupled together between the core plates by the connecting rods which are coupled to the core plates. The connecting rods may extend through the wall segments.
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