公开(公告)号：US3607639A

公开(公告)日：1971-09-21

申请号：US3607639D

申请日：1968-07-11

Applicant: ASEA AB

Inventor： SANTEN AART VAN ,  SAMSKOG LARS-ERIK ,  TORNBLOM LARS

IPC: G21C3/32 ,  G21C3/33 ,  G21C3/332 ,  G21C3/334

CPC classification number: G21C3/3315 ,  G21C3/32 ,  G21C3/3305 ,  G21C3/332 ,  G21C3/334 ,  Y02E30/40

Abstract: A fuel assembly for nuclear reactors is formed of a plurality of substantially parallel fuel rods arranged between a top plate and a bottom member inside a sheathing tube. Spacer elements for these tubes are provided with leaf springs secured to the spacer frames, the free ends of the springs having buttons thereon engaging in holes in the sheathing tube to position the spacer elements in the tube.