Induced nuclear reactions: processes – systems – and elements – Handling of fission reactor component structure within...
Patent
1996-12-20
1998-01-27
Carone, Michael J.
Induced nuclear reactions: processes, systems, and elements
Handling of fission reactor component structure within...
376302, 29890031, G21C 1902
Patent
active
057128871
ABSTRACT:
Methods and apparatus for maintaining a compression force in a reactor pressure vessel (RPV) of a nuclear reactor are described. In one embodiment of the apparatus, a spring assembly facilitates applying compression force on the shroud head. The spring assembly, in one embodiment, includes two trusses and two torsion bars. The torsion bars extend between the trusses and are connected at opposite ends to the trusses. Each truss includes a truss support member, a hooking element, and a torsion converter element. The truss support member is configured to rest on the shroud head flange. The hooking element is pivotally coupled to the truss support member, and includes a hook adjacent a guide rod. The torsion converter element is coupled to the hooking element, and is vertically movable with respect to the truss support member. The converter element has two ends, each end splined to one of the torsion bars so that vertical movement of the converter element drives, e.g., rotates, the torsion bars.
REFERENCES:
patent: 5402570 (1995-04-01), Weems
Lewis Thomas Armine
Ortega Frank
Thompson Jeffrey L.
Carone Michael J.
General Electric Company
Lattig Matthew J.
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