查询词典 displacement pump

Primary reasons leading to dead-zone of variable displacement axial piston pump are analyzed,and negative effects of dead-zone on control performance are presented also.

分析了轴向柱塞比例变量泵死区的主要形成原因及对控制性能的影响。

Therefore, on the base of previous work, improvement is brought about and digital variable displacement axial piston pump controlled by SCM and driven by step motor is brought forward in the subject.

因此，本课题在前人的基础上，对其进行改进，提出了利用单片机控制，步进电机驱动的数字变量轴向柱塞泵。

The data collection program is designed for collecting the exit pressure signals, main oil pressure signals and piston displacement signals. Experiment has done on the concrete pump on construction site.

设计了混凝土出口压力信号、主油压压力与活塞位移信号的数据采集程序，对现场施工的混凝土泵车进行了试验。

Beijing Huade Group hydraulic constant power variable plunger pump to fill the domestic blank large displacement piston pumps for metallurgy, forging, mining equipment and other large facilities.

北京华德液压集团公司的恒功率变量柱塞泵，填补了国内大排量柱塞泵的空白，适用于冶金、锻压、矿山等大型成套设备的配套。

With the help of performance test of reciprocating pump, the design for the spring was validated. An experiment-bed was also built to test the poppet valve's lift displacement. The testing results prove that the simulation was in a correct way.

设计了往复泵泵阀试验台；通过对往复泵进行性能测试，对不同弹簧预紧力下阀门升程进行了测定，验证了仿真结果的合理性。

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。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失