Hairpin spring for nuclear fuel assembly and grid including such

Details Hairpin spring for nuclear fuel assembly and grid including such Hairpin spring for nuclear fuel assembly and grid including such

1988-01-29

1989-07-04

Kyle, Deborah L.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

267158, G21C 334

Patent

active

048448621

ABSTRACT:
A hairpin spring for holding a fuel rod in a fuel assembly grid consists of a metal strip bent to form two mutually confronting legs arranged to be welded together locally. At least in a zone which bears on the other leg, one of the legs is U-shaped and straddles the other leg through a respective window of the grid. The legs of the U may be formed as appendices bent substantially at 90.degree.. The arms may also close up slightly so that the other leg can snap thereinto or flare for self-centering of the other arm.

REFERENCES:
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patent: 3762996 (1973-10-01), Milburn et al.
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patent: 4544522 (1985-10-01), Curulla et al.
patent: 4578240 (1986-03-01), Cadwell
patent: 4646431 (1987-03-01), Vere et al.
patent: 4702881 (1987-10-01), Weiland et al.

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