Debris catching spring detent spacer grid
Patent
·
OSTI ID:5560645
This patent describes a nuclear reactor having fuel assemblies including an upper end fitting and a lower end fitting and spaced nuclear fuel rod spacer grids therebetween for supporting and spacing a plurality of elongated nuclear fuel rods, each of which includes a hollow active portion of nuclear fuel filled cladding intermediate the rod ends and a tapering end cap of solid materials with a circumferential groove on the rod end which first encounters reactor coolant flow, a tall spacer grid relative to the grids adjacent the active portion being means for capturing and retaining deleterious debris carried by reactor coolant before it enters the active region of a fuel assembly through solid end caps compartments' corners and creates fuel rod cladding damage.
- Assignee:
- Combustion Engineering, Inc., Windsor, CT (USA)
- Patent Number(s):
- A; US 5024807
- Application Number:
- PPN: US 7-279687
- OSTI ID:
- 5560645
- Country of Publication:
- United States
- Language:
- English
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