ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,783, issued on June 17, was assigned to SHIN-ETSU CHEMICAL Co. LTD. (Tokyo).
"Magnetic circuit device for magnetic bearing" was invented by Hiroyuki Ota (Echizen, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a magnetic circuit device for a magnetic bearing that includes a permanent magnet ring constituted by a plurality of permanent magnets and a soft magnetic material ring, the circumferential uniformity of the magnetic field near an axial end surface of the permanent magnet ring is enhanced. A magnetic circuit device for a magnetic bearing includes: a permanent magnet ring that is formed by disposing a plurality of anisotropic permanent...