An aircraft fuel system has a fuel tank 20, a valve 3, and a valve actuator 1 with a control input 8. The actuator is configured to open the valve in response to command signals generated by a control system 5, and applied on the control input, releasing fuel vapour and ventilating the fuel tank. A method of ventilating an aircraft fuel system is also claimed including the step of assessing a suitability for release of fuel vapour, and opening the valve on the basis of the assessment. The suitability assessment may use sensors 31-36 to consider environmental conditions about the aircraft, location of the aircraft such as global position or altitude, the future route of the aircraft, and/or whether fuel vapour emissions have exceeded a threshold; the environmental conditions may be air composition such as air quality, nitrogen oxide level, carbon dioxide level or ozone level.
Ventilation of aircraft fuel system
01.11.2023
Patent
Elektronische Ressource
Englisch
IPC: | B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT |