ALEXANDRIA, Va., July 3 -- United States Patent no. 12,345,277, issued on July 1, was assigned to Edwards S.R.O. (Olomouc, Czech Republic).
"Rotor assembly for a turbomolecular pump" was invented by Richard Glyn Horler (Burgess Hill, Great Britain), Ales Kubis (Lutin, Czech Republic) and David Student (Lutin, Czech Republic).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a rotor assembly 102 for a turbomolecular pump 100. The rotor assembly 102 comprises a rotor shaft 116, a plurality of rotor blades 126 extending from the rotor shaft 116, and a balancing member 130 fitted within the rotor shaft 116 with an interference fit. The rotor shaft 116 extends along a longitudinal ax...