Internal equipments for a nuclear reactor having spacer columns

Details Internal equipments for a nuclear reactor having spacer columns Internal equipments for a nuclear reactor having spacer columns

1993-10-05

1995-05-30

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Reactor structures

With particular control rod guide structure

376285, 376205, G21C 104

Patent

active

054209005

ABSTRACT:
The equipment comprises a bottom plate formed with outlet openings for the coolant, a top plate, spacer rods interconnecting the plates, and cluster guides for guiding control clusters. At least some of the guides have respective top lengths that project above the top plate and bottom lengths that extend between the plates. Each bottom length includes a base bearing against a frustoconical seat secured to the bottom plate, and it is subjected to the force of resilient means. Together, the lengths of each guide constitute a one-piece cartridge suitable for insertion in a corresponding column. The guide also includes a cap for receiving the top length, which cap is fixed to the top plate against which the resilient means bear.

REFERENCES:
patent: 4752438 (1988-06-01), Desfontaines et al.
patent: 4842815 (1989-06-01), Cauquelin et al.
patent: 5006305 (1991-04-01), Denizou
patent: 5106572 (1992-04-01), Chevereau

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