ALEXANDRIA, Va., Feb. 11 -- United States Patent no. 12,546,263, issued on Feb. 10, was assigned to VOLVO TRUCK Corp. (Gothenburg, Sweden).
"Internal combustion engine system" was invented by Jan Eismark (Gothenburg, Sweden), Rickard Ehleskog (Hisings Backa, Sweden), Tommy Simonsson (Stenungsund, Sweden) and Gustavo Hindi (Surte, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "An internal combustion engine system includes an internal combustion engine for combustion of gaseous fuel and has a combustion chamber at least partially delimited by a cylinder; a reciprocating piston moveable within said cylinder between a bottom dead centre and a top dead centre, said reciprocating piston having a piston top ...