Induced nuclear reactions: processes – systems – and elements – Testing – sensing – measuring – or detecting a fission reactor... – Vessel monitoring or inspection
Patent
1992-10-07
1994-04-12
Walsh, Donald P.
Induced nuclear reactions: processes, systems, and elements
Testing, sensing, measuring, or detecting a fission reactor...
Vessel monitoring or inspection
165 69, G21C 1700
Patent
active
053032713
ABSTRACT:
The device comprises a central body carrying a first inflatable flexible head and two jacks each carrying an inflatable flexible head at its end. The rods of the jacks are oriented in two directions located on either side of the central body to assure displacement of the central body as a result of the retraction and extension of the rods of the jacks in opposite directions. In the expanded state, the inflatable flexible head are maintained by wedging in the annular space between the bundle casing and the outer casing of the steam generator. In the retracted and deflated state, the flexible heads can be displaced in the annular space. The device also comprises an assembly for guidance by rolling on the lower end of the bundle casing of the steam generator.
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patent: 4373855 (1983-02-01), Lebouc
patent: 4590991 (1986-05-01), Cooper, Jr. et al.
patent: 4661309 (1987-04-01), Hayes
patent: 4788867 (1988-12-01), Kishel
patent: 4919194 (1990-04-01), Gery et al.
Chelliah Meena
Framatome
Walsh Donald P.
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