ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,469,611, issued on Nov. 11, was assigned to Rolls-Royce SMR Ltd. (Derby, Great Britain).
"Reactor control device" was invented by Daniel Robertson (Derby, Great Britain) and Brett Longstaffe (Derby, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A reactor control system for a nuclear reactor, the reactor control system comprising: one or more hollow tubes comprising neutron absorbing material, each having a first end and a second end; a pump connected to the first end of each hollow tube and operable to control the amount of a first fluid within the hollow tube, the first fluid comprising a neutron moderator, wherein: the pump is controlle...