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

Top nozzle removal and replacement fixture and method in a reconstitutable fuel assembly

Patent ·
OSTI ID:6382704
This patent describes a combination with a reconstitutable fuel assembly being held in a fixed position within a work station wherein the fuel assembly includes a top nozzle with an adapter plate having at least one passageway, at least one guide thimble with an upper end portion and an attaching structure releasably mating the upper end portion of the guide thimble within the passageway of the top nozzle adapter plate. The guide thimble is held in the fixed position, a fixture for removing and replacing the top nozzle from and to the guide thimble, comprising: a base; means for movably mounting the base on the work station in alignment with the top nozzle of the fuel assembly; means for locking the top nozzle to the base when the base is movably mounted on the work station.
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA
Patent Number(s):
US 4664875
OSTI ID:
6382704
Country of Publication:
United States
Language:
English