Expandable device for a nuclear fuel rod
Patent
·
OSTI ID:5074146
A nuclear fuel rod and a device for use within the rod cladding to maintain the axial position of the fuel pellets stacked one atop another within the cladding are described. The device is initially of a smaller external cross-section than the fuel rod cladding internal cross-section so as to accommodate loading into the rod at preselected locations. During power operation the device responds to a rise in temperature, so as to permanently maintain its position and restrain any axial motion of the fuel pellets.
- Assignee:
- Westinghouse Electric Corp.
- Patent Number(s):
- US 4080253
- OSTI ID:
- 5074146
- Country of Publication:
- United States
- Language:
- English
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