Spherical fuel elements made of graphite for high temperature re

Details Spherical fuel elements made of graphite for high temperature re Spherical fuel elements made of graphite for high temperature re

1974-12-11

1977-05-10

Nelson, Peter A.

176 91SP, G21C 320

Patent

active

040226638

ABSTRACT:
There are provided pressed spherical fuel elements for high temperature reactors made of a graphite matrix with separate embedded coated fuel and fertile material particles wherein the fuel elements comprise 3 concentric layers including a graphite nucleus or core (1) which only contains fertile material particles (4), this graphite nucleus (1) is surrounded by a graphite zone (2) which only contains the fuel particles (5) and this is encased in a shell (3) of pure graphite, the same graphite material being present in all three layers.

REFERENCES:
patent: 2852460 (1958-09-01), Abbott et al.
patent: 3267001 (1966-08-01), Greebler
patent: 3413195 (1968-11-01), Boettcher
patent: 3650896 (1972-03-01), Goeddel
patent: 3669832 (1972-06-01), Boettcher
patent: 3833470 (1974-09-01), Gyarmati et al.
patent: 3878041 (1975-04-01), Leitnaker et al.
patent: 3907948 (1975-09-01), Gyarmati et al.

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