US Patent Issued to CARRIER on Aug. 12 for "Direct drive refrigerant screw compressor with refrigerant lubricated rotors" (New York, Connecticut Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,385,491, issued on Aug. 12, was assigned to CARRIER Corp. (Palm Beach Gardens, Fla.).

"Direct drive refrigerant screw compressor with refrigerant lubricated rotors" was invented by Yifan Qiu (Manlius, N.Y.), Amit Vaidya (Jamesville, N.Y.), Ulf J. Jonsson (South Windsor, Conn.), Zaffir A. Chaudhry (South Glastonbury, Conn.) and David M. Rockwell (Cicero, N.Y.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Disclosed is a direct-drive refrigerant screw compressor, having: a housing; a compression chamber in the housing; a pair of rotors, each rotor of the pair of rotors being rotationally disposed in the compression chamber and including an outer surface w...