Induced nuclear reactions: processes – systems – and elements – Testing – sensing – measuring – or detecting a fission reactor... – Vessel monitoring or inspection
Patent
1998-07-17
2000-05-16
Carone, Michael J.
Induced nuclear reactions: processes, systems, and elements
Testing, sensing, measuring, or detecting a fission reactor...
Vessel monitoring or inspection
376245, 114222, 114313, 15 17, G21C 1700, B63B 5900, B63G 800, E04H 416
Patent
active
060647086
ABSTRACT:
An underwater inspection/repair apparatus comprises a sealing device provided around an opening portion of a watertight vessel, a pushing mechanism provided to the watertight vessel, a water discharge pump provided to the watertight vessel for discharging water in an inside of the watertight vessel, and a compressed air supplying device for supplying a compressed air into the inside of the watertight vessel. A top end of the sealing device is pushed against an inner wall surface of the reactor vessel by a reaction force generated when the pushing member of the pushing mechanism is pushed against the reactor internal structure, so that the inside of the watertight vessel can be isolated in a watertight manner. The pneumatic water discharge pump includes a pneumatic pressure cylinder driven by a pneumatic pressure, and a water discharge cylinder cooperated with the pneumatic pressure cylinder. Accordingly, there can be provided an underwater inspection/repair apparatus which is able to conduct inspection/repair operations without a discharge of a core water from a reactor vessel.
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Carone Michael J.
French III Frederick T.
Kabushiki Kaisha Toshiba
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