ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,377,697, issued on Aug. 5, was assigned to Hitachi Astemo Ltd. (Hitachinaka, Japan).
"Electromagnetic suspension" was invented by Yasuaki Aoyama (Tokyo), Ryosuke Hoshi (Tokyo) and Nobuyuki Ichimaru (Hitachinaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides an electromagnetic suspension capable of suppressing interference with other components and devices, being mounted in a narrow space, and having a small thrust pulsation, a large thrust, and a high damping performance even for a high-frequency vibration source. An electromagnetic suspension of the present invention includes a linear motor that includes an armature...