ALEXANDRIA, Va., March 31 -- United States Patent no. 12,590,645, issued on March 31, was assigned to ROLLS-ROYCE SMR Ltd. (Derby, Great Britain).
"Depressurisation valve" was invented by Brett J. Longstaffe (Derby, Great Britain) and Michael Parrott (Derby, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A depressurisation valve (100) for a pressurised cooling circuit, comprising a main valve (101), a pilot line (104) fluidically coupled to the inlet (110) and closable by a first control valve (105), the first control valve controlled by pressure at the inlet to open above a low pressure threshold, a valve dome (106) containing a first piston (107) coupled to the main valve, the valve dome bein...