Patent ID: 9715946
Date: 2017-07-25
CPC Classifications: G21C,Y02E

Claim:
1. A nuclear fuel assembly for a boiling water reactor comprising: a base, a head, and a bundle of full length fuel rods and partial length fuel rods, the bundle extending upwardly and longitudinally from the base to the head, at least one clamp for longitudinally retaining a lower plug of a partial length fuel rod with respect to the base, the clamp being an additional part fitted to the base, the clamp being assembled to the base by mechanical engagement of complementary assemblies, the clamp being embedded in a housing provided in the base such that the clamp is entirely below an upper surface of the base and entirely above a lower surface of the base, the housing consisting of a hole formed in the base, the clamp being comprised in the hole, wherein the clamp comprises elastic retaining tabs, spaced angularly about a longitudinal axis of the clamp and adapted to engage with a shoulder provided on the lower plug of the partial length fuel rod to prevent a disengagement of the partial length fuel rod from the base.