US Patent Issued to DAIKIN INDUSTRIES on March 11 for "Screw compressor, and refrigeration apparatus" (Japanese Inventor)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,247,566, issued on March 11, was assigned to DAIKIN INDUSTRIES LTD. (Osaka, Japan).

"Screw compressor, and refrigeration apparatus" was invented by Takashi Inoue (Osaka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A screw compressor includes a screw rotor having a plurality of helical grooves, a first rotor configured to mesh with the helical grooves of the screw rotor, a second rotor configured to mesh with the helical grooves of the screw rotor, and a casing having a partition wall rotatably retaining the screw rotor and covering an outer peripheral surface of the screw rotor. The partition wall includes first and second envelope portions to...