Induced nuclear reactions: processes – systems – and elements – Fuel component structure – Plural fuel segments or elements
Patent
1994-11-03
1996-09-03
Wasil, Daniel D.
Induced nuclear reactions: processes, systems, and elements
Fuel component structure
Plural fuel segments or elements
376446, G21C 3322
Patent
active
055531083
ABSTRACT:
In a fuel bundle assembly (B) for a nuclear reactor wherein a plurality of fuel rods (R) and at least one water rod (W) extend between an upper tie plate and a lower tie plate, an improvement includes a fixed connection between the water rod (W) and the lower tie plate (L), the fixed connection including a threaded lower end plug of the water rod and a threaded hole in a boss formed in the lower tie plate adapted to receive the threaded lower end plug, the threaded lower end plug (50) formed with a diametrical slot (54) therein and the boss (56) formed with a pair of slots (60, 62) extending from opposite sides of the hole such that the diametrical slot (54) and the pair of slots (60, 62) are alignable when the threaded lower end plug (50) is threaded into the boss (56); and a key (64) insertable within the aligned slots to thereby fix the water rod against rotational movement.
REFERENCES:
patent: 4314884 (1982-02-01), Fanning et al.
patent: 4492668 (1985-01-01), Pilgrim, Jr. et al.
patent: 4675154 (1987-06-01), Nelson et al.
patent: 5174949 (1992-12-01), Johansson
patent: 5347560 (1994-09-01), Lippert et al.
General Electric Company
Wasil Daniel D.
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