AIRCRAFT REFUELLING DEVICE, COMMISSIONING METHOD, AND REFUELLING METHOD USING SUCH A DEVICE
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United States of America Patent
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Issued Date -
Dec 24, 2020
app pub date -
Mar 5, 2019
filing date -
Mar 6, 2018
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Abstract
Aircraft refueling device including a deformable pipe for the circulation of fuel, the downstream end of which is provided with a wing fastener for the connection thereof onto an intake port of the aircraft fuel tank. The device includes a first sensor for measuring the pressure values, in the vicinity of the wing fastener, of a fuel flow in the deformable pipe, and means for determining the flow rate in the deformable pipe. The device further includes a second sensor for measuring the pressure values of the flow upstream of the deformable pipe, a unit for calculating the pressure drop of the flow in the deformable pipe, based on the pressure values measure by the first and second sensors. The device also includes a unit for comparing the calculated pressure drop value with a reference value, established during the commissioning phase, for example, for the same flow rate.
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