BRUSHLESS DC MOTORIZATION APPARATUS
    1.
    发明申请
    BRUSHLESS DC MOTORIZATION APPARATUS 审中-公开
    无刷直流电动机

    公开(公告)号:WO2012009811A1

    公开(公告)日:2012-01-26

    申请号:PCT/CA2011/050441

    申请日:2011-07-20

    Abstract: A direct -drive brushless DC motorization apparatus comprises an outer rotor with poles constructed with segments of permanent magnet material alternatively magnetized north and south. The outer rotor is adapted to be part of a wheel and rotating with the wheel about an axis thereof. A stator core of ferromagnetic material is spaced inwardly of said rotor to define a clearance gap with the rotor such that the rotor is rotatable about the stator core. The stator core has forty-two slots and defines teeth therebetween. A three-phase winding with coils of insulated wire is wound around the teeth of the stator core. The three-phase winding is divided in two sets of consecutive teeth for each of the three phases, with each of the two sets of a same phase being diametrically opposed in the stator core.

    Abstract translation: 直驱式无刷直流电动装置包括外转子,其具有由永磁体材料部分构成的杆,该永久磁铁材料片段被备选地磁化为北部和南部。 外转子适于作为车轮的一部分并随车轮围绕其轴线旋转。 铁磁材料的定子铁心与所述转子间隔开,以与转子形成间隙,使得转子能绕定子铁心转动。 定子芯具有四十二个槽,并在它们之间形成齿。 具有绝缘线圈的三相绕组缠绕在定子芯的齿上。 对于三相中的每一个,三相绕组分成两组连续的齿,其中相同相的两组中的每组在定子芯中径向相对。

    METHOD AND SYSTEM FOR DETERMINING MATERIAL PROPERTIES USING ULTRASONIC ATTENUATION
    2.
    发明申请
    METHOD AND SYSTEM FOR DETERMINING MATERIAL PROPERTIES USING ULTRASONIC ATTENUATION 审中-公开
    使用超声波衰减确定材料特性的方法和系统

    公开(公告)号:WO2007003058A1

    公开(公告)日:2007-01-11

    申请号:PCT/CA2006/001144

    申请日:2006-06-30

    Abstract: A method and system is disclosed for determining a property of an object by measuring ultrasonic attenuation. With the proposed method, a measured ultrasonic interaction signal of the object is compared with a reference signal produced using the same generation and detection setup, but using a reference part. The reference ultrasonic signal has low attenuation, and exhibits equivalent diffraction properties as the object, with respect to a broadband ultrasonic pulse. The difference is attributable to the attenuation of the object. The attenuation as a function of frequency, the attenuation spectrum, is fitted to a model to obtain a parameter useful for identifying one of the many properties of an object that varies with ultrasonic attenuation.

    Abstract translation: 公开了一种通过测量超声波衰减来确定物体的性质的方法和系统。 利用所提出的方法,将物体的测量超声波相互作用信号与使用相同的生成和检测设置产生的参考信号进行比较,但使用参考部分。 相对于宽带超声脉冲,参考超声信号具有低衰减,并且表现出与物体相当的衍射特性。 差异归因于物体的衰减。 作为频率的函数的衰减衰减谱被拟合到模型中以获得用于识别通过超声衰减而变化的对象的许多属性之一的参数。

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