External rotor motor
    1.
    发明授权

    公开(公告)号:US10177617B2

    公开(公告)日:2019-01-08

    申请号:US15473436

    申请日:2017-03-29

    Abstract: An external rotor motor includes an inner stator and an external rotor. The external rotor includes a casing and a plurality of magnets. The casing has an annular inner wall. The annular inner wall faces the inner stator and surrounds the inner stator. The magnets are placed along the annular inner wall of the casing. The magnets surround the inner stator. An end of at least one of the magnets has a round edge, a curvature radius of the round edge is R, a thickness of the at least one of the plurality of magnets is T, and the following condition is satisfied: 0.85≤R/T≤1.

    Measurement device
    2.
    发明授权
    Measurement device 有权
    测量装置

    公开(公告)号:US09134141B2

    公开(公告)日:2015-09-15

    申请号:US14099336

    申请日:2013-12-06

    CPC classification number: G01D5/20 G01D5/2073 G01D5/22

    Abstract: A measurement device is provided. The measurement device comprises a ring-shaped base and multiple sensing units and a plurality of coils. The sensing units are disposed on and protruded from the inner circumferential surface of the ring-shaped base. Each sensing unit comprises a circumferential groove and an axial groove. The axial groove is connected to the circumferential groove. Each coil is surrounded within the circumferential groove and extended along the axial groove.

    Abstract translation: 提供测量装置。 测量装置包括环形基座和多个感测单元以及多个线圈。 感测单元设置在环形基座的内周面上并从环形基底的内周面突出。 每个感测单元包括周向槽和轴向槽。 轴向槽连接到周向槽。 每个线圈被围绕在周向槽内并沿轴向槽延伸。

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