ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,075, issued on Dec. 30, was assigned to Palladio Compressors S.R.L. (Lonigo, Italy).
"Screw compressor" was invented by Michele Malesan (Lonigo, Italy), Diego Portinari (Lonigo, Italy) and David Candio (Lonigo, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A screw compressor includes: a containment body including: a suction chamber and a suction port for a fluid to be compressed; a delivery chamber and a discharge port for the compressed fluid; a containment seat for two helical compression rotors; two helical compression rotors; an electric motor to actuate the helical compression rotors; lubrication for the helical compression rotors; filtr...