Induced nuclear reactions: processes – systems – and elements – Testing – sensing – measuring – or detecting a fission reactor... – Vessel monitoring or inspection
Patent
1991-02-25
1992-10-20
Hunt, Brooks H.
Induced nuclear reactions: processes, systems, and elements
Testing, sensing, measuring, or detecting a fission reactor...
Vessel monitoring or inspection
376245, 73622, 73623, G21C 17013
Patent
active
051568039
ABSTRACT:
An apparatus for inspection of a reactor vessel includes trolley supporting an axillay extending support mast and extension mast. The support mast has a tilting device to adjust the angle between the support mast and vessel wall to allow the extension mast to be accessible to lower portions of the reactor vessel. The lower part of the extension mast is connected to a rack having a horizontal trolley capable of tangential movement relative to the reactor vessel wall. The horizontal trolley also is connected to a probe position trolley enabling a probe holder to move tangentially relative to the horizontal trolley. The apparatus enables the probes to move radially and axially for greater access to positions of the reactor vessel wall.
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Chapman, Terry L., "GE's New Inspection system gives Inside Information on BWR RPV Welds," Nuclear Engineering International, Dec. 1990, pp. 41-42.
Engding Alf E. C.
Karlsson Alf R.
Carroll Chrisman D.
Hunt Brooks H.
Niagara Mohawk Power Corporation
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