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

Composite nuclear fuel assembly

Patent ·
OSTI ID:5163723
An open lattice elongated nuclear fuel assembly including small diameter fuel rods disposed in an array spaced a selected distance above an array of larger diameter fuel rods for use in a nuclear reactor having liquid coolant flowing in an upward direction. Plenums are preferably provided in the upper portion of the upper smaller diameter fuel rods and in the lower portion of the lower larger diameter fuel rods. Lattice grid structures provide lateral support for the fuel rods and preferably the lowest grid about the upper rods is directly and rigidly affixed to the highest grid about the lower rods.
Assignee:
Westinghouse Electric Corp
Patent Number(s):
US 4326922
OSTI ID:
5163723
Country of Publication:
United States
Language:
English