Apparatus and method for removing a top nozzle in reconstituting a fuel assembly
Patent
·
OSTI ID:6372485
This patent describes a fuel assembly including a top nozzle having a central adapter plate with passageways defined through the adapter plate and control rod guide thimbles with hollow upper end portions inserted in the passageways and attached to the top nozzle adapter plate at the upper ends of the passageways, and an apparatus for removing the top nozzle from the guide thimbles. The method comprises: elongated cutters having respective cutting elements; means for positioning the cutters in general alignment with the passageways in the top nozzle adapter plate and the respective hollow upper end portions of the guide thimbles inserted therein; and means for moving the cutters in a first direction toward the passageways.
- Assignee:
- Westinghouse Electric Corp., Pittsburgh, PA
- Patent Number(s):
- US 4667547
- OSTI ID:
- 6372485
- Country of Publication:
- United States
- Language:
- English
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