ALEXANDRIA, Va., July 16 -- United States Patent no. 12,359,690, issued on July 15, was assigned to Cummins Inc. (Columbus, Ind.).
"System for lubricating a crankshaft" was invented by Qing Zhang (Wuhan, China), Leaf Li (Wuhan, China) and Xin Jia (Wuhan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A system for lubricating a crankshaft of an engine includes a first main journal including a first shaft and in fluid communication with an oil supply. The system also includes a first main journal oil passage in fluid communication with the oil supply extending through the first shaft. The system also includes a first pin journal including a first crank, and a first oil passage extending partially through...