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发明授权
CN104868673B 单相感应电动机、密闭型压缩机以及制冷循环装置 有权

单相感应电动机、密闭型压缩机以及制冷循环装置
摘要：
本发明的目的在于提供能够提高效率的单相感应电动机、密闭型压缩机以及制冷循环装置。单相感应电动机具备：定子(12)，其通过热装或者压入的方式而固定于圆筒状的框架内；主绕组(26)以及辅助绕组(27)，它们设置于定子(12)；以及转子(11)，其设置于定子(12)的内周侧，在定子(12)的外周形成有圆弧状的圆弧部(22)与直线状的切口部(21)，在定子(12)的外周，弧部(22)配置于主绕组磁极(28)的方向上，在圆弧部(22)形成有避让部(22a)，避让部(22a)使得圆弧部(22)与框架的内周面之间的接触面积减小。
摘要（英）：

The single-phase induction motor includes a stator fixed in a cylindrical frame by shrink-fitting or press-fitting, a main winding wire and an auxiliary winding wire provided on the stator, and a rotor provided on an inner circumferential side of the stator, in which an arc-shaped arc portion and a linear cutout portion are formed on an outer circumference of the stator, the arc portion is arranged on the outer circumference of the stator in a direction of the main winding wire magnetic pole with respect to the center of the stator, and a relief portion for reducing a contact area between the arc portion and an inner circumferential surface of the frame is formed on the arc portion.

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