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

Fuel rod gripper end cap for minimizing impact with grid cell dimples

Patent ·
OSTI ID:5906270
This patent describes, in combination with a fuel rod gripper having circumferentially-spaced and longitudinally extending slots defining gripping fingers with end portions radially expandable and retractable between corresponding expanded and collapsed conditions, an end cap. It comprises: a body having a forward camming portion and a rearward hollow mounting portion, the mounting portion being configured to fit over and cover the end portions of the gripper fingers with the forward camming portion extending forwardly thereof; and circumferentially-spaced and longitudinally-extending attachment flutes disposed internally of the hollow mounting portion of the body and projecting radially inwardly therefrom. The flutes are configured to releasably fit within the respective slots of the gripper when the finger end portions thereof are in the expanded condition and to be retained therein when the finger end portions are in the retracted condition.
Assignee:
Westinghouse Electric Co. (USA)
Patent Number(s):
A; US 4966745
Application Number:
PPN: US s 7-372482
OSTI ID:
5906270
Country of Publication:
United States
Language:
English

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