Malfunctions of Aviation Hydraulic Pumps
Hydraulic pumps are among the most complex and responsible units from the point of view of aircraft flight safety. One of the most important scientific and technical problems in improving the reliability of hydraulic pumps is to understand the physical nature of the cause of damage in them and on th...
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| Veröffentlicht in: | Journal of KONBiN 2020-10, Vol.50 (3), p.257-276 |
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| container_title | Journal of KONBiN |
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| creator | Ułanowicz, Leszek Jastrzębski, Grzegorz Szczepaniak, Paweł Sabak, Ryszard Rykaczewski, Dariusz |
| description | Hydraulic pumps are among the most complex and responsible units from the point of view of aircraft flight safety. One of the most important scientific and technical problems in improving the reliability of hydraulic pumps is to understand the physical nature of the cause of damage in them and on this basis to develop measures and recommendations to ensure their reliability. The article discusses the characteristics of hydraulic piston pairs of hydraulic pumps according to the kinematics of their movement and load conditions. Selected actual damages of axial piston pumps are discussed. The paper presents a simplified 3D solid model of the cylinder-piston assembly and the mechanism for adjusting the inclination of the piston cylinder block, the axial hydraulic pump, and the model of breaking loads for selected elements of this pump. The digital solid model and element load analysis were developed in SolidWorks Simulation. |
| doi_str_mv | 10.2478/jok-2020-0061 |
| format | Article |
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One of the most important scientific and technical problems in improving the reliability of hydraulic pumps is to understand the physical nature of the cause of damage in them and on this basis to develop measures and recommendations to ensure their reliability. The article discusses the characteristics of hydraulic piston pairs of hydraulic pumps according to the kinematics of their movement and load conditions. Selected actual damages of axial piston pumps are discussed. The paper presents a simplified 3D solid model of the cylinder-piston assembly and the mechanism for adjusting the inclination of the piston cylinder block, the axial hydraulic pump, and the model of breaking loads for selected elements of this pump. 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| source | EZB-FREE-00999 freely available EZB journals |
| subjects | aircraft Aircraft safety aviation Axial flow pumps Damage Engine blocks Flight safety hydraulic drive Hydraulic equipment Hydraulic loading hydraulic pump Hydraulics Kinematics Malfunctions Piston pumps Pumps Reliability Three dimensional models |
| title | Malfunctions of Aviation Hydraulic Pumps |
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