Double-pipe pressure-balancing refueling device and control method thereof for aircraft fuel oil
A technology for balancing pressure and refueling devices, which is applied in the direction of liquid delivery devices, etc., can solve the problems of inability to realize the pressure protection of aircraft refueling fuel tanks, the lack of multi-branch refueling balance control function, and the inability to ensure the weight balance of aircraft refueling multi-branches, etc., to achieve Convenient operation, real-time monitoring of flow rate, high fueling efficiency and high precision
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[0025] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further elaborated below.
[0026] Such as Figure 1 to Figure 2 Shown, a kind of aircraft fuel oil double-pipe balanced pressure refueling device comprises a refueling system and a control system, and the refueling system includes a pipeline centrifugal pump 3, a pressure sensor 5 connected in series on the pipeline connected to the pipeline centrifugal pump 3 oil outlet and A pressure flow controller 6, a safety valve 4 connected to the oil suction port and the oil outlet of the pipeline centrifugal pump 3, the pressure flow controller 6 is connected to the No. 1 branch and the No. 2 branch, and the No. 1 branch and the No. 2 branch The No. 1 branch includes a fuel filter 7, a flow meter 8, an electro-hydraulic valve 9, a refueling hose and a refueling connector 11 connected in series. Venturi tube 10 is instal...
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