ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,736,001, issued on Sept. 15, was assigned to PHINIA DELPHI LUXEMBOURG SARL (Belvaux, Luxembourg).
"Method for positive crankshaft ventilation diagnosis" was invented by Noureddine El Hor (Vineuil, France) and Davy Decorps (Olivet, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for positive crankcase ventilation diagnosis in an engine system with an engine, an intake duct connected to the engine, a PCV line connecting a crankcase of the engine with the intake duct and a sensor for determining an actual PCV pressure (pact) in the PCV line. The method comprises the steps of: performing a diagnosis measurement by repeatedly determining at l...