Plenum spring and getter assembly

Details Plenum spring and getter assembly Plenum spring and getter assembly

1993-05-17

1994-07-12

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Encased with nonfuel component

376412, G21C 318

Patent

active

053295668

ABSTRACT:
A plenum spring and getter assembly for use in a nuclear fuel rod has a plenum spring design which retains the getter at a desired distance from the fuel column. The plenum spring is a wire having a first wound section of diameter greater than the diameter of the getter installed therein, a second wound section of diameter less than the getter diameter and a third wound section having a diameter which is preferably, but not necessarily, equal to the diameter of the first wound section. The wound sections are connected in series along an axis, with the "necked" second wound section being situated intermediate the first and third wound sections. When the fuel rod in accordance with the invention is installed upright in the reactor, the getter bears against and is supported by the first turn of the necked wound wire section.

REFERENCES:
patent: 3899392 (1975-08-01), Grossman et al.
patent: 4871509 (1989-10-01), Johansson

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