US Patent Issued to Scania on Feb. 4 for "Vibration reduction in internal combustion engine" (Swedish Inventors)

ALEXANDRIA, Va., Feb. 5 -- United States Patent no. 12,215,638, issued on Feb. 4, was assigned to Scania CV AB (Sodertalje, Sweden).

"Vibration reduction in internal combustion engine" was invented by Hakan Sarby (Huddinge, Sweden), Andreas Dahl (Nykoping, Sweden), Ola Jonsson (Huddinge, Sweden), Fredrik Birgersson (Stockholm) and Marcus Ahlin (Strangnas, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure concerns a method for vibration reduction in a compression ignition four-stroke internal combustion engine. The internal combustion engine comprises exhaust and intake valves controlled by exhaust and intake camshafts. The method comprises, when operating the internal combustion engine bel...