压缩机

Produced by LEK series screw compressors from the host to the control system of direct imports from Europe, the screw compressor production by the world's advanced level.

公司生产的LEK系列螺杆压缩机从主机到控制系统直接从欧洲进口，所生产的螺杆压缩机具有世界先进水平。

The distribution of magnetic field and magnetic line of force with the finite element method was analyzed. The dynamic equations of moving part were solved coupling with the voltage balance equation. Force, displacement of moving part, current and frequency characteristic were discussed according to the numerical solution. The influence of the clearance volume and leakage was discussed as well.

运用电磁场有限元方法对直线电动机电磁场模型进行求解，分析了电动机内部的磁场和磁力线分布情况；建立了电动机动子动力学模型和驱动电路模型，得到系统的运行方程组并对其求解，根据计算结果对压缩机的驱动力、活塞行程、绕组电流和频率特性等进行了分析，同时就余隙容积和泄漏对这种微小型活塞压缩机的影响进行了探讨。

In this paper, we put forward a new kind of mechanism based on the analysis of the movement regularity of traditional horizontal reciprocating compressor which combined both magnetic suspension technique and linear driving technique. It takes advantage of the magnetic field force acted on the plunger, which will generates moment of couple to balance the corresponding moment ...

分析了传统卧式往复压缩机活塞连杆运动的规律，设计了一种集磁悬浮和线性驱动技术为一体的往复磁悬浮式压缩机机构，该机构利用作用于活塞连杆上的磁场力，使其力偶矩与连杆活塞的重力矩相平衡，使活塞对缸体的正压力趋向于零或等于零的理想状态，从而使摩擦副间的摩擦力达到最小。

The P-V indicating diagram of compressor is a truthful record of working condition in the cylinder. According to the technique, the pressure signals collected from cylinder are normalized and treated as characteristic vector. And the vectors are inputted into a multi-class classifier composed of many support vector machines to identify fault modes.

压缩机P-V指示图是压缩机气缸部分工作状况的真实记录，该技术将采集的气缸压力信号经归一化处理后作为特征向量，输入到由多个支持向量机构造的多值分类器中进行故障模式分类。

Methods to rotor of centrifugal compressor"s condition monitoring and fault diagnosis are summed up. Peak-to-peak value is an essential reference value of centrifugal compressor"s condition monitoring, which is easy to implementation in practice. On the other hand, according to fault diagnosis, power spectrum and axis obit also works. The direction of eddyis gained from full spectrum, which is vital in fault diagnosis. In a word, to make sure make an exact conclusion, different method should be put in used.

总结了离心式压缩机转子振动的监测和诊断的方法：在压缩机的状态监测的方面，峰—峰值是其主要的手段，实践证明其实现过程非常简单而且非常有效；而对于故障诊断，常用的功率谱分析和轴心轨迹都有一定的作用，全谱可以判断转子的进动方向，所以在分析过程中可以综合以上多种方法，能更加明确故障原因。

Then, according to the performance requirements of domestic oxygenator air compressor, a miniature oil-free scroll air compressor was developed. And the special study and designing in heat transfer and sealing were done on the basis of its characteristics.

在此基础上，按照家用制氧机用空气压缩机的性能要求，开发了一台微型无油润滑涡旋式空气压缩机样机，并对其散热和密封进行了深入研究，改进了相关设计。

The modified genetic algorithm has been used in parametric optimization of a sliding-vane compressor, by which the result shows that the modified genetic algorithms is reliable and efficient, as proved by the reasonable parameters.

并且尝试了将改进的遗传算法用于滑片式压缩机参数的优化，结果表明，经过改进的遗传算法有效可靠，经过优化的压缩机参数合理。

Firstly, a perfecter theoretical model describing the working process of scroll compressor is set up in the dissertation, which lays the thermodynamic foundation for studying the effect of the radial compliance mechanism on compressor performance.

论文的第一部分，建立了比较完善的描述涡旋压缩机工作过程的理论模型，为研究径向柔性机构对压缩机性能的影响奠定了热力学基础。

The structural characteristics of a new rolling piston compressor with a pin ned blade are presented.

介绍了新型叶片铰接滚动转子压缩机的结构特点，与传统滚动转子压缩机相比，具有摩擦功耗少，径向泄漏少等优点，具有相当的优势和发展前景。

And in the production management of comˉpressor station,the safety management is very important,and the safety rules and regulations will provide the basic insurance to the safe operation for the compressor station.

在压缩机站的生产管理中，安全管理非常重要，建立健全安全规范将对压缩机站的安全运行提供保证。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。