Neutron shields for nuclear reactor core sub-assemblies

Details Neutron shields for nuclear reactor core sub-assemblies Neutron shields for nuclear reactor core sub-assemblies

1988-06-13

1990-06-19

Wasil, Daniel

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376440, 376446, G21C 332

Patent

active

049351974

ABSTRACT:
A nuclear reactor core sub-assembly is provided with a removable lifting head (12)/absorber pin (20) assembly. The absorber pins (20) are connected to the lifting head (12) in such a way that they can be disconnected, inverted and reconnected the other way round, either collectively as a unit or individually. This allows the same absorber pins to be used at least twice over in different sub-assemblies since only the absorber material closest to the core tends to become depleted during irradiation.

REFERENCES:
patent: 3238105 (1966-03-01), McNelly
patent: 3368945 (1968-02-01), Keller et al.
patent: 3573169 (1971-03-01), Gumuchian
patent: 4493813 (1985-01-01), Loriot et al.
patent: 4655995 (1987-04-01), Freeman et al.

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