US Patent Issued to Volkswagen on July 22 for "Method for diagnosing a crankcase system of an internal combustion engine, and internal combustion engine" (German Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,366,187, issued on July 22, was assigned to Volkswagen AG (Wolfsburg, Germany).

"Method for diagnosing a crankcase system of an internal combustion engine, and internal combustion engine" was invented by Mathias Hauptvogel (Weferlingen, Germany) and Stephan Wassmann (Isenbuettel, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for diagnosing a crankcase system of an internal combustion engine. A pressure value is captured in a crankcase system. A pressure value of a reference pressure is ascertained or a pressure value to be expected in the crankcase system is modeled. A gradient of the pressure value in the crankcase system and a gradie...