US Patent Issued to DAIKIN INDUSTRIES on March 18 for "Compressor" (Japanese Inventor)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,085, issued on March 18, was assigned to DAIKIN INDUSTRIES LTD. (OSAKA, Japan).

"Compressor" was invented by Makoto Kojima (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A compressor includes a casing that stores a lubrication oil in a bottom portion, a compression mechanism disposed in the casing, an electric motor disposed above the compression mechanism, a discharge pipe opening in a space in the casing on an upper side of the motor, and an oil drainage mechanism that guides a lubrication oil adhering to an inner wall of the casing to the discharge pipe using a swirling flow generated by rotation of the motor. The oil drainage mech...