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U.S. Department of Energy
Office of Scientific and Technical Information

High utilization fuel assembly

Patent ·
OSTI ID:6862500
A nuclear fuel assembly is described comprising an array of parallel arranged guide tubes, an inlet nozzle attached to one end of the guide tubes, an outlet nozzle attached to the other end of the guide tubes, grids having the openings therethrough attached to and spaced along the length of the guide tubes, and of parallel arranged fuel rod assemblies each having an upper end and a lower end. The fuel rod assemblies are fitted within the openings in the grids, the fuel rod assemblies being arranged axially offset relative to each adjacent fuel rod assembly and comprising an upper fuel rod and a lower axially aligned fuel rod with a gap therebetween. The gap between the fuel rods each is axially offset relative to each adjacent gap so as to eliminate an axial gap across the core.
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA
Patent Number(s):
US 4631166
OSTI ID:
6862500
Country of Publication:
United States
Language:
English