Nuclear fuel rod grid spring and dimple structures having chamfered edges for reduced pressure drop
Patent
·
OSTI ID:6655235
This patent describes a nuclear fuel rod grid including inner and outer straps being interleaved with one another to form a matrix of hollow cells, each cell for receiving one fuel rod and being defined by pairs of opposing wall sections of the straps which wall sections are shared with adjacent cells, each cell having a central longitudinal axis defining a coolant flow direction through the cell, at least fuel rod engaging dimple structure of resiliently yieldable material being integrally formed on each wall section of the inner straps.
- Assignee:
- Westinghouse Electric Corp., Pittsburgh, PA (USA)
- Patent Number(s):
- A; US 4923669
- Application Number:
- PPN: US 7-312288A
- OSTI ID:
- 6655235
- Country of Publication:
- United States
- Language:
- English
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