Hold-down spring clamps on fuel assembly top nozzle

Details Hold-down spring clamps on fuel assembly top nozzle Hold-down spring clamps on fuel assembly top nozzle

1989-03-06

1990-07-03

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376364, 411393, 411424, 403362, G21C 330

Patent

active

049389190

ABSTRACT:
A fuel assembly has a top nozzle with improved clamps for retaining hold-down spring assemblies. Each clamp includes a clamp block formed integral with a flange of the top nozzle at each of a pair of diagonal corners thereof. Each clamp block has a pair of interconnected clamp slots formed therein. Each clamp slot is formed in the clamp block with interconnected openings at the front and outer side thereof. The front and outer side openings permit sideways insertion of the hold-down spring assembly at a base end thereof to position the spring assembly for attachment to the top nozzle. The clamp slot also provides a flat bottom surface in the clamp block for clamping the hold-down spring assembly.

REFERENCES:
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patent: 4420457 (1983-12-01), Le Pargneux
patent: 4551300 (1985-11-01), Feutkel
patent: 4645642 (1987-02-01), Leclekq et al.
patent: 4671924 (1987-06-01), Gjersten et al.
patent: 4684502 (1987-08-01), Wilson et al.
patent: 4792429 (1988-12-01), Hatfield

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