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公开(公告)号：US4503377A
公开(公告)日：1985-03-05
申请号：US568264
申请日：1984-01-04
CPC分类号： H02K17/42 , H02K11/048 , H02P9/007 , H02P9/48
摘要： A variable speed rotary electric machine comprises a stator composed of a stator core and first and second stator windings wound on the stator core, and a cage rotor mounted rotatably within the stator and composed of a rotor core and rotor conductor disposed in a squirrel-cage configuration. The first stator winding is connected to an AC power supply of a fixed frequency. The second stator winding is connected to a power supply of a variable frequency. The first and second stator windings are so wound as to form, respectively, numbers of poles differing from each other. The rotor conductors of the cage rotor are electromagnetically coupled with the magnetic flux generated by the first and second stator windings, respectively, and so disposed as to form a number of poles which is intermediate between the number of the poles formed by the first stator winding and the number of poles formed by said second stator winding.
摘要翻译： 一种变速旋转电机，包括定子铁心和缠绕在定子铁芯上的第一和第二定子绕组构成的定子，以及可转动地安装在定子内的保持架转子，该转子铁心和转子导体由鼠笼 组态。 第一定子绕组连接到固定频率的交流电源。 第二定子绕组连接到可变频率的电源。 第一和第二定子绕组被缠绕成分别形成彼此不同的极数。 保持架转子的转子导体分别与由第一和第二定子绕组产生的磁通电磁耦合，并被设置成形成多个极，该极数介于由第一定子绕组形成的极数之间 以及由所述第二定子绕组形成的极数。
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公开(公告)号：US4562397A
公开(公告)日：1985-12-31
申请号：US634538
申请日：1984-07-26
申请人： Yukio Kitabayashi , Noriyoshi Takahashi , Toshiaki Okuyama , Masatoshi Watanabe , Hitoshi Ohura
发明人： Yukio Kitabayashi , Noriyoshi Takahashi , Toshiaki Okuyama , Masatoshi Watanabe , Hitoshi Ohura
摘要： A squirrel-cage induction motor comprises a stator having a stator core and stator windings divided into first and second coils with different numbers of poles, and a squirrel-cage rotor including a rotor core and a plurality of rotor conductors embedded in the vicinity of the surface of the core. The number of the rotor conductors is the same as the average number of poles of the first and second stator coils, which conductors are arranged equidistantly along the periphery. This induction motor, with the construction of a squirrel-cage rotor, permits a variable speed operation without using any special device.
摘要翻译： 鼠笼式感应电动机包括具有定子铁心的定子和被分成具有不同数量的极数的第一和第二线圈的定子绕组，以及包括转子铁芯和多个转子导体的鼠笼式转子， 表面的核心。 转子导体的数量与第一和第二定子线圈的平均极数相同，这些导体沿着周边等距离布置。 该感应电动机具有鼠笼式转子的结构，可以在不使用任何特殊装置的情况下进行变速操作。
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公开(公告)号：US4306165A
公开(公告)日：1981-12-15
申请号：US58626
申请日：1979-07-18
CPC分类号： H02K9/18
摘要： A cooling system for a rotary electric machine having a stator including a stator core and a stator frame for supporting the stator core and a rotor including a yoke, a plurality of salient magnetic poles mounted on the periphery of the yoke and shield plates bridging the tips of the adjacent magnetic poles wherein the cooling system comprises groups of air-discharging and air-charging ducts radially penetrating the stator core, each group of the ducts being axially aligned with a predetermined distance from each other and air-discharging windows formed in the shield plates at predetermined axial positions thereof, and the axial area of each group of the air-discharging ducts is larger than the axial area of the air-discharging window of the corresponding shield plate thereby increasing the flow rate of the cooling air through the rotary machine.
摘要翻译： 一种用于旋转电机的冷却系统，其具有定子，所述定子包括定子芯和用于支撑定子铁心的定子架，以及包括轭的转子，安装在所述轭的周边上的多个突出磁极和桥接所述尖端的屏蔽板 的相邻磁极，其中冷却系统包括径向穿过定子芯的排气和空气充气管的组，每组管道彼此轴向对齐并且形成在屏蔽层中的空气排出窗口 板在其预定的轴向位置处，并且每组排气管的轴向面积大于相应屏蔽板的排气窗的轴向面积，从而增加了通过旋转机器的冷却空气的流量 。
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