A hydraulic-pump flow-rate calibration system includes: a variable capacitance type hydraulic pump that supplies an operating fluid to a hydraulic actuator; a regulator that changes the dispense flow rate of the hydraulic pump according to a flow rate command signal; a flow rate detection device ...
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摘要: In this paper, the flowrate formula of the annular clearance between piston and cylinder in hydraulic piston pump is revised because the seal length of piston becomes different. The revised coefficient makes things convenient for volumetric efficiency calculation in hydraulic piston pump....
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PROBLEM TO BE SOLVED: To conduct such control as not depending on the fluctuation of the number of revolutions of an engine, in a flow-rate control device for a hydraulic pump.;SOLUTION: This device is provided with a means to generate positive flow- rate control command pilot pressure Pc ...
Maximum Flow Rate 8L/min Product name 700Bar/70Mp/10000Psi Hydraulic Electric Pump Color Yellow,red or as your need Operation single and multi-operation Reservoir Capacity 8L Volume 400*310*440mm Electricity 220V/50Hz Usage Air pump
Hydraulic Sauer-Sundstrand axial piston pump PV20, PV21, PV22, PV23, PV24, PV25, PV26, PV27 The Sauer PV axial piston variable displacement pumps, Series 20, are of swash plate construction with variable flow capability suitable for hydrostatic transmissions with closed circuit....
9 plunger design and new technology of pre-compression volume are adopted to reduce flow fluctuation to the lowest level ever. Strong and FEM-optimized pump body structure reduces the complete variable control type of noise level 100% no...
;CONSTITUTION: The angle of a swash plate of a variable capacity hydraulic pump 21 is hydraulically controlled by a three-way valve (control valve) 22 driven by the output current of an amplifier 23. A first closed loop system detects the discharge flow rate and discharge pressure of the ...
文库来源 求助全文 FLOW RATEPRESSURE CONTROLLER BY VARIABLE CAPACITY 优质文献 相似文献Analysis the ways to increase effectiveness of borehole pump's axial stages Purpose. Determination of perspective ways of raising the efficiency of small-sized axial-flow stage with low specific speed, designed for ...