ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,566, issued on April 21, was assigned to ROLLS-ROYCE PLC (London).
"Magnetisation and demagnetisation of a component" was invented by Alexis Lambourne (Derby, Great Britain) and Christopher D Riley (Derby, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of magnetising or demagnetising an annular component for a rotary machine, a flux arrangement for performing a magnetising or demagnetising method, and a flux assembly for such a flux arrangement; wherein, the annular component includes an alternating arrangement of radial elements and angular elements for forming a Halbach array. A magnetizer is caused to induce magnetic flux ...