Support grid for fuel elements in a nuclear reactor

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176 76, G21C 330

Patent

active

040281809

ABSTRACT:
A support grid is provided for holding nuclear fuel rods in a rectangular array. Intersecting sheet metal strips are interconnected using opposing slots in the strips to form a rectangular cellular grid structure for engaging the sides of a multiplicity of fuel rods. Spring and dimple supports for engaging fuel and guide rods extending through each cell in the support grid are formed in the metal strips with the springs thus formed being characterized by nonlinear spring rates.

REFERENCES:
patent: R28079 (1974-07-01), Andrews
patent: 3751335 (1973-08-01), Keith
patent: 3801088 (1974-04-01), Piepers
patent: 3920515 (1975-11-01), Ferrari
patent: 3929569 (1975-12-01), Piepers
patent: 3966550 (1976-06-01), Foulds

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