Results 11 to 20 of about 6,027 (213)

Novel study on the pressure pulsation of the axial piston machines with even number of pistons

open access: yesThe Journal of Engineering, 2020
Flow and pressure ripples of axial piston machines have received sustained attentions by researcher in flow power domain. Traditionally, almost all the axial piston pumps have been designed with odd number of pistons.
Junjie Zhou   +3 more
doaj   +1 more source

A Data-Driven Diagnosis Scheme Based on Deep Learning toward Fault Identification of the Hydraulic Piston Pump

open access: yesJournal 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
doaj   +1 more source

Challenges and Solutions for High-Speed Aviation Piston Pumps: A Review

open access: yesAerospace, 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
doaj   +1 more source

Lubrication characteristics analysis of slipper pair of digital valve distribution axial piston pump

open access: yesAdvances in Mechanical Engineering, 2022
The digital valve distribution axial piston pump is a swashplate rotary piston pump, the force on slippers is different from that of traditional axial piston pump.
Kaiping Zhao   +4 more
doaj   +1 more source

Based on Dynamics and Hydraulic System Coupling Simulation of Swash Plate Axial Piston Pump

open access: yesJournal 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
doaj   +1 more source

Research on the High Speed of Piston Pumps Based on Rapid Erecting of Launch Vehicles

open access: yesApplied 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
doaj   +1 more source

Fluid Dynamic Characteristics and Flow Distribution ‎Structure Optimization of Axial Piston Pump Considering ‎Cavitation Bubble Evolution

open access: yesJournal 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
doaj  

Prediction approach of compression loss in bent-axis piston pump with cavitation

open access: yesAdvances 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
doaj   +1 more source

Outlet Pressure and Flow Characteristics of a New Two-Dimensional Piston Pump with an Overlapped Distributor

open access: yesEnergies, 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
doaj   +1 more source

A Model-Based Method for Leakage Detection of Piston Pump Under Variable Load Condition

open access: yesIEEE 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
doaj   +1 more source

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