pump structure

The single screw oil pump is a new type extracting oil pump, which is simple in structure and high in performance with low working cost.

单螺杆抽油泵是一种新型的采油泵，结构简单，性能可靠，作业成本低。

Taking examples of metering and dosing system from Brugman Company of Holland and a Japanese company, the structure and working principle of proportional pump were illustrated. Simple and reliable and cheaper piston metering pump from japan and domestic digital controlled dosing pump were introduced.

本文以荷兰Brugman公司和日本东海染工所的比例泵加料系统为例，阐述了比例泵的结构和工作原理，对印染厂自动计量加料系统提出改进措施建议。

The composing, function, selecting principle and key of parts of the pump, such as electromotor, axle-jointer, bearing box seat, water cooling seal cavity, down pump body, pump axle and impeller, are introduced in detail by pump body structure diagram.

给出泵体结构图，详细介绍泵的电机、联轴器、轴承箱座、水冷密封腔、下泵体、泵轴、叶轮等部件的组成、功能，各部件的选型原则和关键点。

Study on the Improvement of Reciprocating Vacuum Pump Structure

对往复式真空泵结构改进的理论探讨

Reformed the structure of pump shaft, increased diameter of shaft located the position of pump thrust bearing lock nut, improved the strength of pump shaft, extended the service life of pump shaft.

改进泵轴结构，在泵轴推力轴承锁紧螺母处加大轴径，提高了泵轴强度，延长了泵轴的使用寿命。

This text is it evolve algorithm transfer BP network train result carry on structure design parameter optimized to utilize, and has developed the concrete pump train arm shelf optimization design software.

本文利用进化算法调用BP网络训练结果进行结构设计参数优化，并开发了混凝土泵车臂架优化设计软件。

Basic structure of the centrifugal pump is composed of six parts, namely: impeller, pump, pump shaft, bearing, seal ring, stuffing box.

离心泵的基本构造是由六部分组成的，分别是：叶轮，泵体，泵轴，轴承，密封环，填料函。

Summing up, after innovating and emulating for pump structure, stator curve and triangular groove of plate shaft, we believe from result it is possible to achieve double acting piston radial pump with lower noises and its effect will be prominent.

综上所述，通过对泵结构的创新设计，定子曲线和配流轴三角槽的仿真分析，可知实现低噪声双作用径向柱塞泵是可能的，并且效果是很明显的。

The fault diagnosis strategy was formulated at last.2.According to the characteristics of complicated structure as well as fuzzy failure probabilities, mechanism and degree of the hydraulic system of concrete pump truck, a fault diagnosis method of hydraulic system based on T-S fuzzy fault tree analysis is proposed.

针对混凝土泵车泵送液压系统结构复杂，故障发生概率、故障机理和故障程度具有模糊性的特点，提出了基于T-S模糊故障树的诊断方法。

An empirical formula of diameter d4 of abrasive waterjet nozzle to pump pressure P and uniform outlet velocity V_4 was established based on the design of structure parameters and performance test.

本文对射流喷头进行了结构参数设计和性能实验，得出了动力泵压力P与磨料水射流出口处均匀速度V4和磨料喷嘴直径d4的经验公式。

Field Test and 3-D FEM Analysis of the Underground Structure of Pump House at an Electric Power Plant

电厂泵房地下结构原位测试及三维有限元分析

The working principle, structure and strategy and carried out means of the monolithic microcomputer fuzzy control system of the surface-ground screw pump torque are discussed.

阐述了利用模糊控制技术设计的单片机模糊地面驱动螺杆泵扭矩控制系统的工作原理、结构、策略和实现方法。