Cellular grids with twin ferrules

Details Cellular grids with twin ferrules Cellular grids with twin ferrules

1977-12-21

1979-10-30

Nelson, Peter A.

176 78, G21C 330

Patent

active

041727614

ABSTRACT:
A ferrule type nuclear-reactor fuel grid has the two adjacent cells for the respective fuel rods from a single piece of metal strip. A dividing partition between the two cells may be a part of the single piece or a separate piece of strip. In either case the partition carries a resilient member extending into the cell opening to urge a fuel rod inserted therein against fixed stops pressed out of the ferrule wall. By this design a large number of fuel rods may be located in a compact array with a smaller amount of parasitic structural material in the grid.

REFERENCES:
patent: 3231476 (1966-01-01), Thome
patent: 3281328 (1966-10-01), Hazel et al.
patent: 3510397 (1970-05-01), Zettervall
patent: 3804354 (1974-04-01), Weiss
patent: 3886038 (1975-05-01), Raven
patent: 3966550 (1976-06-01), Foulds et al.
patent: 4038132 (1977-07-01), Pearson

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