The double-acting variable-vane pump is a new type of variable pump.
双作用式变量叶片泵是一种新型变量泵。
Finally, the static and dynamic test of the variable pump had been taken.
最后对系统中的变量泵进行了动静态性能试验。
The multifunctional control of variable pump is a new type of control means.
变量泵的多功能控制是一种泵的新的控制方式。
This article mostly introduce reconstruction and recycle of close circuit variable pump.
主要介绍闭式变量柱塞泵的功能改造和再应用。
This article mostly introduces the reconstruction and recycle of close circuit variable pump.
主要介绍闭式变量柱塞泵的功能改造和再应用。
In the walking beams velocity electro-hydraulic control system, proportional variable pump is the key components.
在步进梁速度电液比例控制系统中，比例变量泵是关键组成部分。
The tests results show that the controller is the effective control method for the variable pump & valve controlled system.
试验研究结果表明，前馈自适应控制是实现变量泵源阀控系统高精度跟踪控制的有效方法。
This paper applies load-sensing variable pump to the hydraulic system of loader considering the matching of pump and the load.
本文从液压泵与负载匹配的角度出发，将负载敏感变量泵应用到装载机工作装置液压系统的设计中。
So, the selection of variable pump pressure limit is appropriate, because this type of pump flow with the system pressure varies.
所以选择限压式变量泵为宜，因为这种类型的泵的流量随系统压力的变化而变化。
Now, the domestic large-and-middle-scale hydraulic excavator generally adopts the diesel engine to urge the variable pump to carry on the work.
现在，国产大中型液压挖掘机一般采用柴油机驱动变量泵进行工作。
This paper analyzed the variable pump system of Komatus PC-6 excavator. The method for testing and adjusting of LS valve and PC valve was introduced.
分析了小松pc - 6型挖掘机的油泵变量系统，给出了LS阀和PC阀的参数调整方法。
The more the pressure difference value is , the less the energy-saving rate is and the less scope of high efficiency of variable pump is, and vice versa.
压差设定值越大，系统的节能率越小，循环水泵在高效区内的变频范围越小，反之亦然；
When the switch is closed, the variable pump has no oil supply, the current decline will keep the motor in empty waiting state, thus effectively save energy.
当水开关关闭时变量泵不供油，电流下降使电机处在空载待机状态，这样就有效达到节能。
Aimed at the conflicts of high speed, high precision and low noise, the improved design for structure joint ways of the motor and variable pump was proposed.
针对高速度、高精度和低噪声之间的矛盾，提出了对电机和泵联接方式的结构改进设计。
The proportional variable pump system made up with electrohydraulic proportional reversing valve and axial variable pump is a new kind of hydraulic dynamic structure.
由电液比例换向阀和轴向变量泵组成的比例变量泵系统是一种新型液压动力机构。
This dissertation has analyzed the full-load speed characteristics of the diesel engine, some load tempo characteristics and characteristics of variable pump at first.
本文首先分析了发动机的全负荷速度特性、部分负荷特性和变量泵在不同的工况下的效率特点。
When the pressure decreases, variable pump will detect this change and automatically increase the angle to augment flow capacity, which causes the grab back to normal working condition.
一旦工作压力降低，泵感应到压差增大，会自动增大斜盘角度增大排量，抓斗又处于工作状态。
Modeling accurately the hydrostatic unit is the key of simulation of stepless steering performance of vehicle. The dynamic analysis of displacement control mechanism of variable pump affected by c…
本文通过试验和仿真两个方面，分析了排量控制阻尼孔对排量控制机构响应特性的影响。
Analyses and confirms the practicability of variable water flow operation for the primary pump system, and illustrates its obvious energy saving effects.
分析了一级泵系统实现变流量运行的可行性，并通过实例说明了其显著的节能效果。
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。
Analyses the effects of variable flow operation of primary pump water systems based on the temperature difference control method on the operation of air conditioning systems.
分析了一级泵水系统采用温差控制法实现变流量运行对空调系统运行的影响。
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。
Variable volume piston pump. Swash plate design allows for high efficiency and low noise.
该产品为可变容量柱塞泵。斜板的设计，高效率，低噪音。
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；
In the application of central air-conditioning, the technology of variable-frequency primary pump has been widely studied.
在中央空调的应用过程中，冷冻水一次泵变频技术得到了广泛的研究。
A. Hydraulic pressure ADAPTS constant power variable axial piston pump for energy saving.
液压泵采用恒功率自动变量轴向柱塞泵，以节省能源。
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 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。
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