1、

This take the method of optimization of hydraulic design whose target specification is efficiency. Also, it uses combination vane and double-seal system which was tested by hydraulic experiment and field primary operation that kind of pump is a combination of ideal performance and seal reliability.

理论上采用以效率为目标函数的优化水力设计方法,并采用复合叶轮和双密封结构,经水力试验和现场运行表明,该泵具有很理想的性能和密封可靠性。

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2、

The mathematical model of steam vane is established with 2 × 3 degree nurbs method to improve the quality and efficiency of vane machining. The expression of three-dimensional point and unit vector matrix are put forward and the numeric show of vane is realized.

为了提高汽轮机叶片数控加工的质量和效率,用2×3次非均匀有理B样条方法,建立了叶片的数学模型,推导了其三维点和法矢量矩阵表达式,实现了叶片的数字化表示。

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3、

The accuracy and the roughness of the turned vane spindle nose both satisfy design requirements, and the processing efficiency is improved by4 to5 times.

车削加工叶片轴头精度、粗糙度全部达到设计要求,提高加工效率4-5倍。

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4、

Influence of Built-up Hollow Rotor's Leakage upon Efficiency of Oil-sealed Sliding Vane Rotary Vacuum Pump

组合式空心转子渗漏对油封式旋片真空泵抽气效率的影响

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5、

Numerical Research on Sealed Reliability and Mechanical Efficiency of Vane Seals

矩形截面叶片密封可靠性和机械效率的数值研究

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6、

Compared with the conventional two-segment start-up, the intelligent start-up can make the unit achieve quick start-up, without over speed, independent with the head. The governor regulates automatically the guide vane and the blade in pump operation, to provide the highest efficiency.

实现智能闭环开机,与传统的两段开机相比,开机过程与水头无关,且迅速平滑。在抽水工况根据水头的变化自动调整导叶和轮叶,使机组达到最高效率。

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7、

A new-style vane steering pump based on twin pump is put forward in this thesis to reduce the energy loss and improve the efficiency of power steering pump.

本文提出了一种新型的采用双联泵结构的叶片式转向泵,目的在于降低转向泵的能耗,提高其工作效率。

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8、

Filter adopts novel vane design with high division efficiency and differential pressure discharge device.

过滤器采用新颖的旋风叶片设计,分水效率高,并带差压排水装置.

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