ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,220, issued on Jan. 13, was assigned to OFFICINE MARIO DORIN S.P.A. (Fiesole, Italy).
"Multi-cylinder reciprocating compressor" was invented by Mario Dorin (Fiesole, Italy) and Mauro Dallai (Fiesole, Italy).
According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-cylinder reciprocating compressor for cooling systems and/or conditioning systems and/or heat pumps, comprising a casing, in which at least one first group of at least three cylinders is provided, in which cylinders respective suction/compression pistons for sucking/compressing the cooling fluid in said cylinders being adapted to slide, and at least one first head tightly connected to said cas...