Induced nuclear reactions: processes – systems – and elements – Seal arrangements – For nozzle
Patent
1999-01-07
2000-09-26
Jordan, Charles T.
Induced nuclear reactions: processes, systems, and elements
Seal arrangements
For nozzle
376203, 376205, G21C 1300, G21C 13028
Patent
active
061251593
ABSTRACT:
A canopy seal clamp assembly (40) for stopping leaking in a canopy seal weld (42) located between a nuclear reactor vessel nozzle (30) and an elongated housing (24) includes an upper plate (44) having a central aperture (50) and an inner flange (52) spaced apart from a lower plate (60) having a central aperture (66) and an inner flange (68), a seal carrier (70) located adjacent the lower plate carriers a seal (72) for contacting an outer surface of a leaking weld (42) and connector (56) between the upper and lower plate maintain a compressive load to tightly seal the leaking weld and the compressive load tends to close and arrest further crack propagation in the weld. A method for repairing a weld is also described.
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Graeff Kurt R.
Martin Kenneth A.
CE Nuclear Power LLC
Crenshaw Henry T.
Jordan Charles T.
Kananen Ronald P.
Keith Jack
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