Preventive maintenance apparatus for structural members in a nuc

Induced nuclear reactions: processes – systems – and elements – Testing – sensing – measuring – or detecting a fission reactor... – Vessel monitoring or inspection

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376245, 376248, 376260, 376268, 376305, 376310, 376316, G21C 1700, G21C 17003

Patent

active

060581530

ABSTRACT:
A preventive maintenance apparatus for structural members inside a nuclear reactor pressure vessel includes a ring-shaped guide rail having a plurality of lugs which is placed on an upper flange of a core shroud provided inside a reactor pressure vessel. At least some of lugs separately engage with a plurality of guide rods provided on an inner surface of the reactor pressure vessel. A turntable is rotated on the guide rail. A first discharging nozzle moving apparatus placed on the turntable moves a first discharging nozzle for adding compressive remaining stress to an outer surface of the core shroud in a radial direction of the core shroud and in an axial direction of the core shroud. A second discharging nozzle moving apparatus placed on the turntable moves a second discharging nozzle for adding compressive remaining stress to an inner surface of the core shroud in a radial direction of the core shroud and in an axial direction of the core shroud.

REFERENCES:
patent: 4496519 (1985-01-01), McGuire
patent: 4691723 (1987-09-01), Mierswa et al.
patent: 5305361 (1994-04-01), Enomoto et al.
patent: 5369676 (1994-11-01), Ortega et al.
patent: 5418824 (1995-05-01), Monserud et al.
patent: 5465278 (1995-11-01), Cowan, II et al.
patent: 5553106 (1996-09-01), Enomoto et al.
patent: 5586155 (1996-12-01), Erbes et al.
patent: 5734690 (1998-03-01), Sakamaki
patent: 5778713 (1998-07-01), Butler et al.

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