Induced nuclear reactions: processes – systems – and elements – Handling of fission reactor component structure within... – Fuel component
Patent
1989-06-28
1990-10-30
Walsh, Donald P.
Induced nuclear reactions: processes, systems, and elements
Handling of fission reactor component structure within...
Fuel component
376268, 376451, 294 8628, G21C 1900
Patent
active
049667459
ABSTRACT:
An end cap is mounted on a fuel rod gripper to cover the end portions of fingers thereon to minimize impacts with grid cell dimples. The fingers are defined by circumferentially-spaced and longitudinally-extending slots in the gripper which permit the finger end portions to radially expand and retract between corresponding expanded and collapsed conditions. The end cap includes a body having a forward camming portion and a rearward mounting portion. The rearward mounting portion is hollow and configured to fit over and cover the end portions of the gripper fingers with the forward camming portion extending forwardly thereof. Also, circumferentially-spaced and longitudinally-extending attachment flutes are dispsoed internally of the hollow mounting portion of the body and project 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.
REFERENCES:
patent: 3698756 (1972-10-01), Groves
patent: 4236967 (1980-12-01), Batjukov et al.
patent: 4297776 (1981-11-01), Fogg
patent: 4571802 (1986-02-01), Calhoun et al.
patent: 4639998 (1987-02-01), Shallenberger
patent: 4684499 (1987-08-01), Gjertsen
patent: 4716018 (1987-12-01), Boatwright
patent: 4740351 (1988-04-01), Katsumizu
patent: 4747997 (1988-05-01), Boatwright
patent: 4800061 (1989-01-01), Shallenberger
Boatwright David A.
Widener Wade H.
Walsh Donald P.
Westinghouse Electric Company
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