The invention discloses an aircraft fuel oil system capable of preventing water hammer effect, which comprises a fuel oil supply pipeline and an oil return pipeline, the fuel oil supply pipeline comprises an oil tank, a generator and a fuel oil supply pipeline connecting the oil tank and the generator; an electric centrifugal pump, a first one-way valve, a first pressure sensor and an electric gear pump are sequentially mounted on the fuel supply pipeline in the direction from the fuel tank to the generator; the oil return pipeline comprises an oil return pipeline, one end of the oil return pipeline is connected to the fuel oil supply pipeline between the first one-way valve and the first pressure sensor, the other end of the oil return pipeline is connected with the oil tank, a second one-way valve is arranged on the oil return pipeline, and the opening pressure of the second one-way valve is larger than that of the first one-way valve.
本发明公开了一种防水锤效应的飞机燃油系统,其包括燃油供给管路和回油管路,所述燃油供给管路包括油箱和发电机及连接油箱和发电机的燃油供给管道,所述燃油供给管道由油箱至发电机方向依次安装有电动离心泵、第一单向阀、第一压力传感器和电动齿轮泵;所述回油管路包括回油管道,所述回油管道一端连接于第一单向阀与第一压力传感器之间的燃油供给管道上,另一端与油箱连接,所述回油管道上设置有第二单向阀,所述第二单向阀的打开压力大于第一单向阀的打开压力。
Aircraft fuel system capable of preventing water hammer effect
一种防水锤效应的飞机燃油系统
2025-02-25
Patent
Electronic Resource
Chinese
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