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    • 2. 发明授权
    • Stator design for permanent magnet motor with combination slot wedge and tooth locator
    • 具有组合槽楔和齿定位器的永磁电机的定子设计
    • US06844653B2
    • 2005-01-18
    • US10405119
    • 2003-03-31
    • Sergei F. KolomeitsevJohn R. Suriano
    • Sergei F. KolomeitsevJohn R. Suriano
    • H02K1/14H02K3/34H02K3/48H02K1/18H02K19/10
    • H02K3/345H02K1/148H02K3/48
    • A segmented stator for a permanent magnet motor. The stator includes a plurality of stator segments forming an annular stator yoke and a plurality of stator teeth extending from an edge of the stator yoke. At least one coupling is between adjacent stator segments and shaped to allow movement of adjacent teeth in a so-called loose tooth design. Slot wedges are located between adjacent teeth to prevent the conductive windings from moving out of the slots through the slot openings. The slot wedges also prevent movement of adjacent teeth with respect to one another. The segmented stator can comprise an annular yoke with a plurality of discrete teeth or a plurality of assemblies including a rim section and a tooth section. The slot wedges can be keyed wedges that maintain their position through interlocking and/or can be integrated with a stator bobbin.
    • 用于永磁电动机的分段定子。 定子包括形成环形定子磁轭的多个定子段和从定子磁轭的边缘延伸的多个定子齿。 至少一个联轴器在相邻的定子段之间并且成形为允许相邻齿在所谓的松齿设计中移动。 槽楔位于相邻的齿之间,以防止导电绕组通过槽开口移出槽。 狭槽楔也防止相邻的牙齿相对于彼此移动。 分段定子可以包括具有多个离散齿的环形轭,或包括边缘部分和齿部分的多个组件。 槽楔可以是通过互锁保持其位置的楔形楔,和/或可以与定子线轴一体化。
    • 4. 发明授权
    • Magnet shaping and pole concentration for reduction of cogging torque in permanent magnet motors
    • 磁铁整形和极点集中用于减少永磁电机的齿槽转矩
    • US06784582B1
    • 2004-08-31
    • US09993009
    • 2001-11-19
    • Sergei F. KolomeitsevJohn R. Suriano
    • Sergei F. KolomeitsevJohn R. Suriano
    • H02K2112
    • H02K1/2733
    • A rotor for a permanent magnet motor with a rotor yoke and a permanent magnet ring mounted on the rotor yoke, the magnet ring having a plurality of circumferentially spaced poles. One of the rotor yoke and the permanent magnet ring is an annular member including depressed portions along a peripheral edge located around a midpoint between each pole. The depressed portions are shaped so the motor produces a sinusoidal flux density. The other of the rotor yoke and the permanent magnet ring is an annular ring. In another aspect, the rotor has a rotor yoke and a permanent magnet ring mounted on the rotor yoke. The permanent magnet ring includes a plurality of circumferentially spaced poles. One of the rotor yoke and the permanent magnet ring includes a plurality of depressions along an outer peripheral edge shaped so the motor produces a sinusoidal flux density during operation. Each of the plurality of depressions is located around a junction defined by two poles. In either aspect, the rotor yoke can be skewed, and the magnet ring can be tapered.
    • 一种用于永磁电动机的转子,具有转子轭和安装在转子轭上的永磁环,磁环具有多个周向间隔开的极。 转子轭和永磁体环之一是环形构件,其包括围绕每个极之间的中点周围的周缘的凹陷部。 凹陷部分成形为使得电动机产生正弦通量密度。 转子轭和永磁环中的另一个是环形圈。 另一方面,转子具有安装在转子轭上的转子轭和永磁环。 永磁环包括多个周向间隔开的极。 转子轭和永磁体环中的一个包括沿着外周边缘形成的多个凹陷,使得电动机在操作期间产生正弦通量密度。 多个凹陷中的每一个位于由两个极限定的连接点周围。 在任一方面,转子轭可以是偏斜的,并且磁环可以是锥形的。