The variable displacement pump operates in only one of the first and second pump displacement settings.
变量泵仅运行在第一和第二泵排量位置中的一个位置上。
The design principle is to decrease the pump velocity, reduce stroke or to use a small pump to reduce the pump displacement and keep proper submersible depth.
设计原理是减慢泵速、缩短冲程或改用小泵来降低排量，保持适当的沉没深度。
Stimulated Raman scattering signal wavelength is like making a longer wavelength signal path or spontaneous Raman scattering of a Raman - displacement pump.
受激喇曼散射使得信号波长就象是更长波长信号通道或者自发散射的喇曼位移光的一个喇曼泵。
At present, digital variable displacement axial piston pump has some problems.
目前，数字变量轴向柱塞泵还存在着很多问题。
Double screw pump as a positive displacement pump, the pump suction chamber should be closely separated and discharge chamber inside.
双螺杆泵作为一种容积式泵，泵内吸入室应与排出室严密地隔开。
Dynamic behaviors of fuel injection pump control rack displacement and injection advance were studied experimentally on a 6130Q diesel engine at both steady and transient conditions.
作者对6130Q柴油机喷油泵，在稳定工况和变速工况中，进行了齿杆位移和供油提前角等运动规律方面的测试研究。
This article designed a displacement setting mechanism by the fixed quantity of valve model radial column piston as base pump.
以阀式径向柱塞定量泵为基泵设计了控制进油阻力的变量机构。
Analyze the Helical Gear Pump for the instant displacement, single gear displacement, theinstant change ratio and change value of trapping volume and the influnce of screw angle in detail.
详细分析了斜齿齿轮泵的瞬间排量、单齿排量、困油区容积的瞬间变化率及变化量、螺旋角的影响。
The computer PID control for electro hydraulic proportional constant presure variable displacement pump with electric feedback is introduced.
介绍了电反馈电液比例恒压变量泵的计算机PID控制。
The concentrate delivery system employs a positive displacement pump.
浓缩物递送系统采用正位移泵。
Carbon pressure ball machine device is a hydraulic pump hydraulic protection will be high pressure oil into the hydraulic cylinder, driving the piston produce axial displacement.
碳素压球机液压保护装置是由液压泵将高压油打入液压缸，使活塞产生轴向位移。
The twin screw pump is of the properties of less leakage, big displacement and effectivity.
双头螺杆泵比单头螺杆泵工作腔室多，泄漏少，泵的排量大，效率高。
An axial piston pump with large displacement has been used as the pump under test, a measurement system has been put forward and flow ripples at different pressures have been determined.
并以一台较大排量的轴向柱塞泵为被试泵，建立了流量脉动测试系统，实现了多种压力下被试泵流量脉动的测试。
Based on the equation of action line for cycloidal pump, a geometrical mathematical model is built to solve instantaneous flow, displacement, average flow and the pulsation of the pump.
根据摆线泵的啮合线方程，建立了用几何法求解摆线泵的瞬时流量、排量、流量脉动率的数学模型。
Comparing with involute gear pump, the instant displacement is in direct proportion to the angular velocity of the gear and stable without pulsation.
对比渐开线齿轮泵，单圆弧齿轮泵的瞬时排量与齿轮角速度成正比，且稳定，无脉动。
At the same time, constant engine speed stabilizes output displacement of hydraulic pump and then stabilizes travel speed and vibratory frequency in turn, so that compaction quality is increased.
同时，发动机转速的恒定也使液压泵输出排量稳定，进而保证了行走速度和振动频率的稳定，提高了压实质量。
The improved digital variable displacement pump possesses such merits as strong antipollution ability, good repeatability, convenient interfacing with computer, and low cost.
改进后的数字变量泵具有抗污染能力强，重复性好，与计算机接口方便，价格低廉的优点；
Through a study in characteristic curve of the engine and hydraulic pump, the matching efficiencies between engine and fixed and hydraulic variable displacement pump were analyzed respectively.
综合发动机和液压泵的特性曲线，分别对发动机与液压变量泵、定量泵进行了匹配效率分析；
Screw pump is a positive displacement rotary pumps, when the export side blocked after, the pressure will gradually increase, so that the pressure exceeds a predetermined value.
螺杆泵是一种容积式回转泵，当出口端受阻以后，压力会逐渐升高，以至于超过预定的压力值。
The timing pump is a positive displacement pump set to ensure that product flows through the entire system at a predetermined and acceptable rate.
这种调速泵是一个容积式泵，用来确保产品以确定的可接受的速率流过整个设备。 收藏。
The hydraulic system with variable displacement pump-constant displacement motor has the function of overload protection.
由变量泵-定量马达组成的液压系统具有超载保护，防止电缆被强行拉断的功能。
This paper calculates, analyses and determines the pressure point of maximum of ouput power and saving-energy efficiency of differential pressure and Limited pressure variable displacement pump.
本文计算、分析、确定了限压式变量系和差压式变量泵输出功率最大值和节能效率最大值的压力点；
Additionally, the coordinate principle of variable displacement pump with constant power control and load-sensing control system is demonstrated, and establish the constant power control model.
针对液压泵恒功率调节系统，建立了动态数学模型并对恒功率调节与负载传感系统的控制协调机理进行分析。
The monitoring position of every moving part is determined according to the structural and motion characteristics of the plunger displacement pump.
首先讨论了柱塞泵机组的结构与运动特点，确定了振动监测部位；
A variable displacement pump could save energy during the long holding time.
变量泵可在长的保压时间内节省能源。
This paper presented the working principle and structure of the double-action vane pump, analyzed its mechanism of variable displacement and characteristics of energy saving.
本文介绍了双作用叶片式二次元件的结构和工作原理，分析了其节能原理和特点。
How to understand the sludge pump performance two parameters? The sludge pump performance's two main parameters are the displacement and the pressure.
如何理解泥浆泵性能的两个参数？泥浆泵性能的两个主要参数为排量和压力。
The strong points of the compound gear pump are balanced hydraulic pressure of radius, uniform of flow rate, small volume, large displacement and low noise and so on.
它具有径向液压力平衡、流量均匀性好、噪声低、排量大、体积小等优点。
The strong points of the compound gear pump are balanced hydraulic pressure of radius, uniform of flow rate, small volume, large displacement and low noise and so on.
它具有径向液压力平衡、流量均匀性好、噪声低、排量大、体积小等优点。
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