ALEXANDRIA, Va., March 24 -- United States Patent no. 12,587,064, issued on March 24, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Electric motor system, turbo compressor, and refrigeration device" was invented by Yusuke Irino (Osaka, Japan), Yuu Fu (Osaka, Japan) and Yuji Nakazawa (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An electric motor system includes a drive shaft configured to rotationally drive a load, a bearingless motor and a radial magnetic bearing arranged side by side in an axial direction of the drive shaft, and a thrust magnetic bearing disposed between the bearingless motor and the radial magnetic bearing. A radial load on the drive shaft is supported in a non-co...