柱塞泵

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。

We analyzed the electro-hydraulic proportional variable displacement piston pump from three aspects of its structure,control principle and mathematical model,and compared the main characteristics of an open-loop controlled pump with a closed-loop controlled pump.

从结构、控制原理和数学模型等3个方面对开环和闭环电液比例变量柱塞泵进行分析，比较二者的主要性能特点。

Through controlling the step motor moving,the accurate control of the piston pump is obtained.

通过控制步进电机的运动，来实现对柱塞泵流量的精确控制。

The content of paper includes two parts: the noise analysis of hydraulic axial piston pump and improved design of structure.

设计主要有两个部分的内容：液压轴向柱塞泵的噪声分析和结构的改进。

The conclusions are helpful to the noise control of piston pump.

研究结果有助于柱塞泵的振动噪声控制。

The content of paper includes two parts: the noise analysis ofhydraulic axial piston pump and improved design of structure.

设计主要有两个部分的内容：液压轴向柱塞泵的噪声分析和结构的改进。

Is a Sino-foreign joint venture which specializes in the production of hydraulic axial piston pump.

江苏恒源液压有限公司是专业生产液压轴向柱塞泵的中外合资企业。

Piston pump used on the domestic economic sector, the technology in China's coal industry has also played an important role.

柱塞泵主要用于国内上有关的国民经济部门，该技术在我国的煤炭工业上也发挥其重要作用。

The study lays a foundation for design and research on port plate pair of high-pressure axial piston pump.

研究为高压化轴向柱塞泵配流副的设计与研究打下了基础。

Research of axial piston pump/motor ...

轴向柱塞泵/马达的研究。

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