Guide tube for a nuclear fuel assembly

Details Guide tube for a nuclear fuel assembly Guide tube for a nuclear fuel assembly

1997-06-27

1998-12-22

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Reactor structures

With particular control rod guide structure

376449, 376234, G21C 332

Patent

active

058526447

ABSTRACT:
A control rod guide tube for a nuclear reactor fuel assembly consists of several mutually portions of zirconium-based alloy. They define a passage that is narrow in a bottom portion of the tube. The guide includes a top length extending over at least 70% of its total length, and a bottom length of thickness greater than that of the top length. The top of the bottom length is engaged in the top length and is welded to the top length along the terminal edge of the top length.

REFERENCES:
patent: 3791466 (1974-02-01), Patterson et al.
patent: 3801453 (1974-04-01), Jones
patent: 4668469 (1987-05-01), Widener
patent: 5068083 (1991-11-01), John, Jr. et al.
patent: 5343508 (1994-08-01), Hatfield
patent: 5606583 (1997-02-01), Verdier

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