ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,228,057, issued on Feb. 18, was assigned to PACCAR Inc (Bellevue, Wash.).
"Pulse turbo charging exhaust system" was invented by Greg Bonsen (Bellingham, Wash.), Paul Hancock (Bellingham, Wash.), Huateng Yang (Canton, Mich.), Chang-Wook Lee (Bellingham, Wash.) and Olivier Lebastard (Anacortes, Wash.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Exhaust systems are described. In examples, an exhaust flow path couples exhaust ports with one or more turbochargers of an engine. The exhaust flow path may have a portion flowing through a cylinder head (e.g., couplable to the exhaust ports) and a portion flowing through an exhaust manifold (couplable to the cy...