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

Hand held tool for removing and replacing a removable top nozzle

Patent ·
OSTI ID:5282776

This patent describes a tool for removing a top nozzle from a guide thimble of a nuclear fuel assembly. It comprises a handling assembly including an upper handle and an elongated handle pole having spaced upper and lower ends, the handle pole being attached at the upper end to the upper handle and extending downwardly therefrom; a lower tool head including an anchor assembly and a lift assembly, the anchor assembly being matable with the guide thimble and actuatable between disengaged and engaged conditions with the guide thimble; means for coupling the anchor assembly to the lower end of the handle pole and for coupling the lift assembly to the lower end of the handle pole; means connected to the anchor assembly for actuating the anchor assembly between the disengaged and engaged conditions with the guide thimble, the actuating means being mounted on the handle pole and extending from the upper handle to the lower tool head.

Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (United States)
Patent Number(s):
A; US 5084230
Application Number:
PPN: US 7-626518
OSTI ID:
5282776
Country of Publication:
United States
Language:
English