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Research on Electro-hydraulic Proportional Control Variable Mechanism of Axial Piston Hydraulic Pump

Abstract: The variable mechanism of electro-hydraulic proportional control of axial piston hydraulic pump is discussed, its composition and working principle are expounded, and it is a closed-loop position control system, which consists of electronic...

Self-adaptive Lubrication Characteristics of Conical Flow Distribution Pairs of Ball-piston Hydraulic Pumps

ABSTRACT: On the basis of the wide application of end-face distribution and axial distribution in hydraulic pumps, a conical distribution method applied to ball piston pumps is proposed, and the dynamic variation law of the distribution axis under...

Modular Hydraulic Piston Pump Automatic Device

Modular hydraulic piston pump automatic device is used to collect crude oil in directional vertical wells with diameter of 140, 146 and 168 m from 2 to 8_. Crude oil density is 0.87g/cm, water content is 90%, mechanical impurity is 0.1g/l, and hydrogen...

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