Results 11 to 20 of about 54,946 (273)
Journal of Marine Science and Engineering, 2023 The piston pump is the significant source of motive force in a hydraulic transmission system. Owing to the changeable working conditions and complex structural characteristics, multiple friction pairs in the piston pump are prone to wear and failure.
Yong Zhu +3 more
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Challenges and Solutions for High-Speed Aviation Piston Pumps: A Review
Aerospace, 2021 As a core power component, aviation piston pumps are widely used in aircraft hydraulic systems. The piston pump’s power-to-weight ratio is extremely crucial in the aviation industry, and the “ceiling effect” of the PV value (product of compressive stress
Chenchen Zhang +3 more
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Based on Dynamics and Hydraulic System Coupling Simulation of Swash Plate Axial Piston Pump
Journal of Harbin University of Science and Technology, 2020 As one of the most important friction pairs in the swash plate axial piston pump, the piston pair plays an important role in the mechanical efficiency, temperature rise, volumetric efficiency, working life and work reliability of the piston pump.
WANG Xiaojing +2 more
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Research on the High Speed of Piston Pumps Based on Rapid Erecting of Launch Vehicles
Applied Sciences, 2023 Rapid erection is a key technology for modern warfare in vehicle weapon launch systems. It is challenging to attain rapidity with the hydraulic erecting system because of the intensified cavitation in the piston chamber at high speeds, which reduces ...
Mengya Hu, Yi Jiang
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Research on the Volumetric Efficiency of a Novel Stacked Roller 2D Piston Pump
Machines, 2021 In order to improve the volumetric efficiency of the axial piston pump, this paper proposes a novel stacked roller 2D piston pump. It utilizes the alternate communication between the distribution cylinder and the oil intake and discharge ports of the ...
Chenchen Zhang +5 more
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Journal of Applied Fluid Mechanics, 2021 An axial piston pump can produce a serious cavitation phenomenon in the high- and low-pressure transition process. Cavitation bubbles expand, compress, rebound and collapse when they enter the high-pressure oil drainage area.
Y. Pan, A. H. Chen, Z. N. Wang
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Prediction approach of compression loss in bent-axis piston pump with cavitation
Advances in Mechanical Engineering, 2022 Compression loss is one of the volumetric losses of bent-axis piston pumps, and its accurate evaluation is the basis for predicting the effective flow rate and volumetric efficiency of bent-axis piston pumps.
Lv-jun Qing +3 more
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A Model-Based Method for Leakage Detection of Piston Pump Under Variable Load Condition
IEEE Access, 2019 Hydraulic systems have been widely used in construction machinery, aeronautics, astronautics, automobiles, shipping, and other fields. Piston pumps are power source and core component in the hydraulic system. The detection and assessment of leakage fault
Hongbin Tang, Wenxian Yang, Zichao Wang
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Energies, 2023 This article presents the design of a two-dimensional (2D) piston pump flow-distribution port with an overlapped structure that reduces backflow in the pump chamber and pressure ripples at the pump outlet, thus minimizing vibration and noise caused by ...
Tong Xing +4 more
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Numerical Study on Improved Geometry of Outlet Pressure Ripple in Parallel 2D Piston Pumps
Aerospace, 2022 Because the axial piston pump is often used in the aerospace and aviation fields, it is necessary to pay attention to its outlet pressure and flow characteristics.
Yu Huang +5 more
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