With measures adopted to adjust entrance taper, open of air door, and alignment of the shaft coupling between blower and motor, the main exhaust blower can keep in steady operation.

通过调整入口锥、风门开度、主抽风机与电机之间的联轴器对中等措施，保证了主抽风机稳定运行。

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The frequency control device of the blower motor for the Soviet BJI85 electric locomotive is introduced in regard of its energy saving efficiency and operation principle of the circuit.

本文介绍了苏联（?）85电力机车风机电动机变频调速装置的节能效果及其电路的工作原理。

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