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    • 2. 发明授权
    • Fan for refrigerator
    • 冰箱风扇
    • US06170275B2
    • 2001-01-09
    • US09433354
    • 1999-11-04
    • Shunji UenoKoichiro Ochiai
    • Shunji UenoKoichiro Ochiai
    • F25D1704
    • H02K5/10F04D25/0633F04D29/541F04D29/602F25B2700/15F25B2700/2117F25D17/062F25D17/067F25D29/00F25D2317/063F25D2317/0681F25D2700/122H02K5/08H02K5/225H02K7/085
    • A fan suitable for use in a refrigerator includes a motor frame having a bracket insertion hole, a bracket including a cylindrical portion fitted into the bracket insertion hole so as to project from the motor frame and a bearing, a stator including a stator core, a stator coil wound on the stator core, and a molded layer molded from a synthetic resin so as to cover the stator core and the stator coil, the stator being disposed on an outer periphery of the cylindrical portion projecting from the bracket insertion hole so as to be supported by the cylindrical portion and the motor frame, a rotor including a rotational shaft inserted into the cylindrical portion so as to be rotatably mounted via the bearing on the bracket and having both ends, a rotor yoke disposed on one end of the shaft opposite to the motor frame so as to cover the stator, and a rotor magnet disposed on an inner circumferential face of the rotor yoke so as to be opposed to an outer circumferential face of the stator core with a gap between them, an impeller disposed on an outer circumference of the rotor yoke so as to be rotated with the rotor yoke, and a sealing cylindrical portion disposed on a circumferential edge of the bracket insertion hole so as to be integral with the motor frame, the sealing cylindrical portion being fitted into a space defined between the cylindrical portion of the bracket and the molded layer.
    • 适用于冰箱的风扇包括具有托架插入孔的马达框架,托架,其包括装配在托架插入孔中的圆柱形部分,以从马达框架和轴承突出;定子,包括定子芯,定子芯 缠绕在定子铁芯上的定子线圈和由合成树脂模制以覆盖定子铁心和定子线圈的成型层,定子设置在从支架插入孔突出的圆筒部分的外周上,以便 由圆柱形部分和电动机框架支撑,转子包括插入到圆柱形部分中的旋转轴,以便经由轴承可旋转地安装在支架上并且具有两端,转子轭设置在轴的一端上 到电机框架以覆盖定子;以及转子磁体,其设置在转子磁轭的内周面上,以与定子c的外周面相对 在它们之间具有间隙的矿石,设置在转子轭的外周上以与转子轭一起旋转的叶轮,以及设置在支架插入孔的周缘上的密封圆筒部,以与 马达框架,密封圆柱形部分装配在限定在托架的圆柱形部分和模制层之间的空间中。