Device and method for suppressing suction vortex of aircraft fuel pump
A technology of suppressing device and fuel pump, which is applied to the components, pump, pump element, etc. of the pumping device for elastic fluid, which can solve the problem of the inability to continuously supply fuel that meets the requirements of the vapor-liquid ratio and pressure, and reduce the fuel pump and fuel system. Reliability, damage to the surface and structure of overcurrent components, etc., to improve aircraft economy, reduce unavailable fuel, and improve performance
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[0016] For specific implementation, see Figure 1 to Figure 4 . The present invention will be further described in detail through specific embodiments below.
[0017] Such as figure 1 and figure 2 As shown, an aircraft fuel pump suction vortex suppression device is provided with a through hole 1 for inserting the fuel pump in the middle, a mounting bracket 2 and more than three supporting ribs 3 constitute the installation structure of the device, and on the top of the installation structure A layer of ring-shaped upper net 4 is laid, and a ring-shaped lower net 5 is laid under the installation structure. The upper net 4 is fixed by side strips 6 and rivets 7. The upper net 4 and lower net 5 form a damping net, and more than three supporting ribs 3 form a radiation shaped damping ribs.
[0018] The supporting rib 3 is a thin-plate structural member, and its web has no holes or several small holes with a diameter less than 30mm.
[0019] The upper net 4 and the lower net ...
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Abstract
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