ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,785,499, issued on Nov. 3, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).
"Compressor and refrigeration device" was invented by Ayumi Ogawa (Osaka, Japan) and Tatsuya Ogawa (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A compressor includes a casing, a compression mechanism unit provided in the casing, and a motor provided in the casing to drive the compression mechanism unit. The motor include a rotor having a cylindrical shape, and a balance weight provided on an end surface of the rotor in an axial direction and having an annular outer peripheral surface. The balance weight includes an end surface facing the rotor, a recessed po...