Shroud attachment for a boiling water reactor

Details Shroud attachment for a boiling water reactor Shroud attachment for a boiling water reactor

1998-02-02

2000-07-18

Jordan, Charles T.

Induced nuclear reactions: processes, systems, and elements

Reactor protection or damage prevention

Shield or barrier between radiation or heat source and...

376285, 376302, 376370, 376372, 376461, G21C 900

Patent

active

060917911

ABSTRACT:
A shroud attachment assembly which provides both structural support for the shroud and a seal between the shroud and shroud support is described. In one specific embodiment, the shroud attachment assembly includes a shroud flange formed integral with the shroud, and a pump deck flange formed integral with the pump deck. The shroud flange extends over the pump deck flange, and a plurality of studs extend through aligned openings in the flanges. In addition, a plurality of wedges are secured to the shroud flange by studs, and the wedges extend between the shroud flange and the pump deck flange. Generally, the studs which extend through aligned openings in the shroud and pump deck flanges transfer vertical loads from the shroud to the pump deck, and the wedges transfer horizontal loads from the shroud to the pump deck.

REFERENCES:
patent: 3508774 (1970-04-01), Simonson
patent: 4138030 (1979-02-01), Andersson
patent: 4240561 (1980-12-01), Hagstrom et al.
patent: 5265141 (1993-11-01), Kobsa
patent: 5519744 (1996-05-01), Relf
patent: 5583899 (1996-12-01), Relf
patent: 5659590 (1997-08-01), Relf
patent: 5737378 (1998-04-01), Ballas et al.
patent: 5862936 (1999-01-01), Johanson

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