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全苏电机设计工艺科学研究所(ВНИПТНЭМ)采用比散热筋直径小的风罩来改善空气动力参数和力能参数的方法,在中心高132～250mm 4AM 和АИ系列一般工业用异步电动机中得到了广泛应用。风罩搭接处
All-Electric Institute of Design Science and Technology (ВНИПТНЭМ) The method of improving the aerodynamic parameters and force parameters by using a hood smaller than the diameter of the radiating ribs was obtained in a 4AM and АИ series general-purpose asynchronous motors with a center height of 132-250mm widely used. Wind cover overlap