ALEXANDRIA, Va., July 21 -- United States Patent no. 12,687,464, issued on July 21, was assigned to SAFRAN AIRCRAFT ENGINES (Paris).
"Method for estimating a drift of a turbine engine fuel pump" was invented by Loic Pora (Moissy-Cramayel, France) and Virgile Nicolas Bastien Garnier (Moissy-Cramayel, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method which comprises the following steps: -measuring a pressure difference at terminals of a metering device (22) supplied with fuel by a pump (20); -calculating a position of a valve (24) regulating the pressure difference; -determining at least one estimated position of the valve from the pressure difference and at least one refe...