Spacer grids for a nuclear reactor fuel assembly

Details Spacer grids for a nuclear reactor fuel assembly Spacer grids for a nuclear reactor fuel assembly

1978-05-09

1980-09-23

Engle, Samuel W.

176 76, G21C 330

Patent

active

042241073

ABSTRACT:
The spacer grid for a nuclear reactor fuel assembly has an open structure constituted by an array of flat sheet metal members in interfitting relation and defining compartments. Narrow corrugated strips project into the interior of the compartments and form separations between openings of substantial width in the surface of the sheet metal members and an outer frame surrounds the structure. The sheet metal members are joined to the corrugated strips by means of a zone having lower mechanical strength so as to increase the deflection of each strip in respect of the same applied force.

REFERENCES:
patent: 3379617 (1968-04-01), Andrews
patent: 3751335 (1973-08-01), Keith
patent: 3920515 (1975-11-01), Ferrari
patent: 3929569 (1975-12-01), Piepers
patent: 3932216 (1976-01-01), Jabsen
patent: 3944467 (1976-03-01), Biermann
patent: 4028180 (1977-06-01), Finch
patent: 4061536 (1977-12-01), Creagan

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