US PATENT SUBCLASS 376 / 221
.~.~.~ Variable fluent reflector/moderator level or density

Current as of: June, 1999
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376 /   HD   INDUCED NUCLEAR REACTIONS: PROCESSES, SYSTEMS, AND ELEMENTS

207  DF  WITH CONTROL OF REACTOR (E.G., CONTROL OF COOLANT FLOW) {12}
219  DF  .~ By movement of control element or by release of neutron absorbing material {13}
220  DF  .~.~ Wherein the control element is a reflector or moderator material {1}
221.~.~.~ Variable fluent reflector/moderator level or density {1}
222  DF  .~.~.~.~> Moderator dump

DEFINITION

Classification: 376/221

Variable fluent reflector/moderator level or density:

(under subclass 220) Subject matter wherein a quantity of liquid, gaseous, or particulate material having the capacity to alter neutron energy or velocity relative to the quantity of fission fuel can be changed.