ALEXANDRIA, Va., June 5 -- United States Patent no. 12,276,226, issued on April 15.
"Electric turbocharger" was invented by Katsunori Hayashi (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric turbocharger includes: a thrust collar having a disk shape and provided to protrude in a flange shape around a rotation shaft between a compressor impeller and an electric motor; a thrust air bearing facing a compressor impeller-side surface of the thrust collar, and supporting the rotation shaft in a thrust direction; a thrust air bearing facing an electric motor-side surface of the thrust collar, and supporting the rotation shaft in the thrust direction; a bearing space which is interposed between the ...