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TOTALLY-ENCLOSED FAN-COOLED MOTOR

机译:完全封闭的风扇冷却电机

摘要

PROBLEM TO BE SOLVED: To secure cooling efficiency of a totally-enclosed fan-cooled motor with a further simplified structure.SOLUTION: A totally-enclosed fan-cooled motor 100 comprises: a rotor 10 having a rotor shaft 11 and a rotor core 12; a stator 20 having a stator core 21 and stator winding 22; a frame 40; an anti-joining side bearing 30a and a joining side bearing 30b; an anti-joining side bearing bracket 45a and a joining side bearing bracket 45b; two inner fans 51a and 51b; an outer fan 55; and a cooler 60. The cooler 60 includes: a normal cooling pipe 61a; a short cooling pipe 61b arranged in a region adjacent to the normal cooling pipe; a first end plate 62a for supporting an end of an outside air inlet side of the normal cooling pipe 61a; a third end plate 62c for supporting ends of outside outlet sides of the normal cooling pipe 61a and the short cooling pipe 61b; and a second end plate 62b for supporting the end of the outside air inlet side of the short cooling pipe 61b and arranged between the first end plate 62a and the third end plate 62c in an axial direction.SELECTED DRAWING: Figure 1
机译:解决的问题:为了确保具有进一步简化的结构的全封闭风扇冷却电动机的冷却效率。解决方案:全封闭风扇冷却电动机100包括:具有转子轴11和转子铁心12的转子10。 ;具有定子铁心21和定子绕组22的定子20。框架40;抗接合侧轴承30a和接合侧轴承30b;防侧轴承座45a和侧轴承座45b。两个内部风扇51a和51b;外风扇55;冷却器60包括:通常的冷却管61a;和冷却器60。在与通常的冷却管相邻的区域配置有短的冷却管61b。第一端板62a用于支撑普通冷却管61a的外部空气入口侧的端部。第三端板62c,用于支撑普通冷却管61a和短冷却管61b的外部出口侧的端部。第二端板62b用于支撑短冷却管61b的外部空气入口侧的端部,并沿轴向布置在第一端板62a和第三端板62c之间。

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