US Patent Issued to SUBARU on Oct. 28 for "Intake and exhaust system" (Japanese Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,454,923, issued on Oct. 28, was assigned to SUBARU Corp. (Tokyo).

"Intake and exhaust system" was invented by Hiroki Nagashima (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An intake and exhaust system includes an engine, an exhaust flow passage, a catalyst, and a control apparatus. The exhaust flow passage is coupled to the engine. The catalyst is disposed in the exhaust flow passage and configured to purify exhaust gas. The control apparatus includes one or more processors, and one or more memories coupled to the one or more processors. The one or more processors are configured to: before the engine is started up, execute scavenging control th...