Reactor refueling mechanism

Details Reactor refueling mechanism Reactor refueling mechanism

1993-08-19

1994-11-29

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Handling of fission reactor component structure within...

Refueling machines

G21C 1910

Patent

active

053696760

ABSTRACT:
A reactor refueling mechanism includes a bridge, a trolley on the bridge, and an elevator on the trolley, with the elevator including a mast with a grapple at the lower end thereof. The bridge spans a reactor core and is rotatable therearound, with the trolley being translatable over the bridge. The elevator is also rotatable on the trolley, and the mast is vertically movable for positioning of the grapple. The combined movement capability of the mechanism allows the shuffling of fuel bundles between cells in the reactor core, and the accurate placement of square fuel bundles in complementary square cells in the core.

REFERENCES:
patent: 4427623 (1984-01-01), Howard et al.
patent: 4666050 (1987-05-01), Krieger et al.
patent: 4788028 (1988-11-01), Leclerco et al.
patent: 4929413 (1990-05-01), Kaufmann et al.
patent: 5085824 (1992-02-01), Busch et al.
General Electric Company, "BWR/6 General Description of a Boiling Water Reactor," revised Sep. 1980, Title and Notice sheets and pp. 3-6 to 3-8, 4-2 to 4-4, 7-1 to 7-6, and 9-1 to 9-8.

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