ALEXANDRIA, Va., March 24 -- United States Patent no. 12,584,429, issued on March 24, was assigned to Grimaldi Development AB (Nacka Strand, Sweden).
"Engine crankcase ventilation system" was invented by Francesco Zitarosa (Illertissen, Germany), Christoph Erdmann (Ulm, Germany), Claes Inge (Nacka, Sweden), Peter Franzen (Bandhagen, Sweden), Carl Petrus Haggmark (Taby, Sweden) and Dan Oivind Karlsson (Grodinge, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A crankcase ventilation system (1) is provided. The system comprises a housing (10), a disc stack separator (20) arranged within the housing which comprises a chamber (21), and a rotor (22). The rotor comprises an oil separating element (23) arrang...