Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yu Chung Lee0
James Alan Sparrow0
Date of Patent
February 15, 2011
0Patent Application Number
109329080
Date Filed
September 2, 2004
0Patent Primary Examiner
Patent abstract
An integral multilevel debris-catching system for a nuclear reactor fuel assembly having a lower protective grid incorporating laterally offset debris-catching arches at several elevations, extended solid fuel rod bottom end plugs and a bottom debris-filtering nozzle. Dimples and opposing opposite springs and the debris-trapping arches, which are spaced from the end plugs, are all located at elevations below the fuel cladding.
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