Induced nuclear reactions: processes – systems – and elements – Fission reactor material treatment – Impurity removal
Patent
1993-05-12
1995-12-05
Harvey, Behrend E.
Induced nuclear reactions: processes, systems, and elements
Fission reactor material treatment
Impurity removal
376352, 376443, 376446, G21C 1930, G21C 304
Patent
active
054736498
ABSTRACT:
A fuel assembly for a light-water nuclear reactor includes a plurality of vertical fuel rods (10) which are arranged, in spaced relationship in the lateral direction, between a bottom tie plate (11) and a top tie plate (12). The bottom tie plate and the top tie plate are provided with through-holes (35) for inlet and outlet of coolant for the fuel rods. Below the bottom tie plate, in the flow path of the water, a debris catcher (36) is arranged which includes helical springs (40) that are arranged in a frame having at least two ends (37, 38) in the form of substantially parallel plates, the flat sides of which are interconnected via pins (39). The pins are arranged in spaced relationship in at least two rows between the ends in such a way that the springs, in spaced relationship or adjacent to each other, can be fixed between the rows of pins in one or more layers.
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patent: 5135710 (1992-08-01), Graffier et al.
patent: 5180545 (1993-01-01), Graffier
patent: 5219517 (1993-06-01), Nylund
patent: 5225152 (1993-07-01), Verdier
patent: 5230861 (1993-07-01), Nylund
patent: 5282231 (1994-01-01), Adams et al.
Olsson Torsten
Soderlund Anders
ABB Atom AB
Harvey Behrend E.
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