Process for servicing a jet pump hold down beam in a nuclear rea

Details Process for servicing a jet pump hold down beam in a nuclear rea Process for servicing a jet pump hold down beam in a nuclear rea

1990-10-31

1991-12-10

Eley, Timothy V.

Metal working

Method of mechanical manufacture

Disassembling

29464, 29723, 29252, B23P 1902, B23Q 300

Patent

active

050705890

ABSTRACT:
Process and apparatus are disclosed for removing and replacing the hold down beams of fluid circulating jet pumps mounted in a nuclear reactor. The disclosed process and apparatus are operable from a position such as the refueling bridge remote from the reactor and while the refueling cavity surrounding the reactor is flooded with moderator fluid.

REFERENCES:
patent: 3846898 (1974-11-01), Kerr et al.
patent: 4658488 (1987-04-01), Johnstead
patent: 4772446 (1988-08-01), Meuschke
patent: 4893395 (1990-01-01), Crowder

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