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 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。
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 paper proposes a new method to realize constant power control for electrohydraulic proportional load-sensing radial piston variable displacement pump.
本文提出了对电液比例负载敏感径向柱塞变量泵实现恒功率控制的新的控制方法。
Servo variable displacement pump because of its compact structure, small size, rigidity, fast response, etc., are widely used in various industrial applications.
伺服变量泵因为其构造紧凑、体积小、刚性大、响应速度快等优点，广泛用于各种工业场合。
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；
There are mainly two problems caused by long pipes in load sensing system. One is the stability of load sensing variable displacement pump and another is the response lag of feedback pipe.
从中发现了长管道给负载敏感系统所带来的两个主要问题，即负载敏感变量泵的稳定性问题和反馈油路响应滞后问题，从而确定了本文的理论研究方向。
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；
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；
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