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

Thin walled channel

Patent ·
OSTI ID:7131619
A fuel assembly is described comprising fuel rods positioned in a spaced array by upper and lower tie-plates, an open ended flow channel surrounding the array for conducting coolant upward about the fuel rods, the open ended channel having a polygon shaped cross section with flat side sections connected between the corner sections; means separate from the channel connecting the upper and lower tie-plates together and maintaining the fuel rods in spaced array independent of the flow channel, improvement in the flow channel comprising: four corners having a first thickness; four sides having a second and reduced thickness from the corner thickness, the sides welded to the corner sections.
Assignee:
General Electric Co., San Jose, CA
Patent Number(s):
US 4749544
OSTI ID:
7131619
Country of Publication:
United States
Language:
English