Combined lower end fitting and debris filter

Details Combined lower end fitting and debris filter Combined lower end fitting and debris filter

1994-03-15

1995-08-01

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Reactor structures

Orifice or fluid control at inlet or outlet of coolant channels

376313, 376310, G21C 104

Patent

active

054385989

ABSTRACT:
A combined lower end fitting and debris filter for a nuclear fuel assembly is provided that does not require multiple parts, welding, brazing, mechanical fasteners, drilling or EDM operations to form the coolant flow holes. The lower end fitting and debris filter are cast as a single work piece that includes the coolant flow holes in the casting process. This is accomplished by casting the sections of the filtration surface having flow holes in a thickness that allows for the small coolant flow holes to be formed as part of the casting process.

REFERENCES:
patent: 4684495 (1987-08-01), Wilson et al.
patent: 4832905 (1989-05-01), Bryan et al.
patent: 4900507 (1990-02-01), Shallenberger et al.
patent: 5009839 (1991-04-01), King
patent: 5037605 (1991-08-01), Riordan, III
patent: 5071617 (1991-12-01), Bryan et al.
patent: 5094802 (1992-03-01), Riordan, III

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