One or more main aircraft fuel tanks (34) are provided with one or more fuel gauges (42) arranged to provide a measure of the amount of fuel in said one or more main fuel tanks. One or more auxiliary fuel tanks (30) are also provided. The aircraft uses fuel during a first phase of fuel consumption, upon commencement of which phase the auxiliary fuel tanks hold fuel. After the first phase said one or more auxiliary fuel tanks (30) are empty and a second phase commences. During the first phase, an indication of the amount of fuel carried by the aircraft is provided by means of summing (i) the amount of fuel in the main fuel tanks (34) as measured by said one or more fuel gauges (42) and (ii) the amount of fuel remaining in said one or more auxiliary fuel tanks (30) as calculated using a measure relating to the fuel consumption rate. During the second phase of fuel consumption, an indication of the amount of fuel carried by the aircraft is provided on the basis of the amount of fuel measured by said one or more fuel gauges (42).
AIRCRAFT AUXILIARY FUEL TANK SYSTEM AND METHOD
SYSTEME DE RESERVOIRS DE CARBURANT AUXILIAIRES D'AERONEF ET PROCEDE ASSOCIE
2015-03-31
Patent
Electronic Resource
English
IPC: | B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G01F Messen des Volumens, des Durchflussvolumens, des Massendurchflusses oder des Füllstandes , MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL |
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