ALEXANDRIA, Va., May 26 -- United States Patent no. 12,637,204, issued on May 26, was assigned to SAFRAN LANDING SYSTEMS (Velizy-Villacoublay, France).
"Method for diagnosing a state of deterioration of an uplock" was invented by Jerome Fraval (Moissy-Cramayel, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method diagnoses a state of deterioration of an uplock having an unlocking actuator provided with a hydraulic cylinder. The method includes the step of supplying the cylinder with pressurized fluid with an evolution law according to which the pressure of the fluid is, for a predetermined period, equal to a predetermined pressure lower than a full pressure, then equal to the full pressure. The met...