简要论述局部扇风机（轴流式通风机）产生不稳定工况的原因和变化规律，提出以分流器消除风机特性曲线驼峰区段、使其工作运行稳定的技术措施。
The technical measures are given out by which the hump zone of characteristic curve of the local fan can be eliminated using a current divider and the operaiting stability of the fan can be improved.
提出采用一种新的广义延拓逼近法，来实现煤矿通风机高精度特性曲线的拟合。
Represents a new kind of generalized extended interpolation method to realize the high precision fitting of characteristic curve of fan.
指出用通风机调节运行经济性综合特性曲线表达通风机调节运行的经济性，具有重要的实用价值。
Summarises that the comprehensive characteristic curves of ventilator regulating operation economics is provided with important practical value to indicate the...
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