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...
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 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...
