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。
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。
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；
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。
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。
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