Grid for nuclear fuel assembly

Details Grid for nuclear fuel assembly Grid for nuclear fuel assembly

1992-01-17

1993-02-23

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376449, G21C 334

Patent

active

051887983

ABSTRACT:
In a grid for the nuclear fuel assembly, a grid member with springs and a grid member with dimples of the grid are arranged face to face such that grid cells of the grid member with springs and the grid member with dimples communicate with each other. Fuel rods are inserted into the grid cells of the respective grid members while the springs and the dimples are shifted sufficiently relative to each other so as not to contact the fuel rods. Subsequently, the grid members are moved to align the respective grid cells whereby the fuel rods are clamped by contacting with the dimples and springs. The grid members are then connected to each other. The grid cells of the grid member with dimples includes a thimble cell, and the grid cells of the grid member with springs include a thimble cell in alignment with one another.

REFERENCES:
patent: 3715275 (1973-02-01), Krawiec
patent: 3769159 (1973-10-01), Zinn et al.
patent: 3920515 (1975-11-01), Ferrari et al.
patent: 4125435 (1978-11-01), Jabsen
patent: 4297170 (1981-10-01), Leclerc
patent: 4411862 (1983-10-01), Leclerco et al.
patent: 4683117 (1987-07-01), Carlson et al.
patent: 4711436 (1987-12-01), Kobuck et al.
patent: 4760637 (1988-08-01), Kerrey et al.

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