ALEXANDRIA, Va., March 3 -- United States Patent no. 12,564,843, issued on March 3, was assigned to Metso Finland Oy (Espoo, Finland).
"Crusher rotor" was invented by Joni Tattari (Tampere, Finland) and Ville Jarvenpaa (Kyroskoski, Finland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor for a comminution apparatus that is arranged to launch material to be comminuted towards a surface, such as an anvil or an autogenous layer of crushed material. The rotor includes a frame including an upper plate, a lower plate and wall elements extending between the upper plate and the lower plate. The rotor further includes an inlet opening in the upper plate and an outlet located between the upper plate and the lowe...