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    • 5. 发明授权
    • Variable speed electric machine and method for generating electric energy
    • 变速电机及其发电方法
    • US08901761B2
    • 2014-12-02
    • US13369838
    • 2012-02-09
    • Jan Erich HemmelmannManoj Ramprasad Shah
    • Jan Erich HemmelmannManoj Ramprasad Shah
    • H02P9/48
    • H02P9/26H02K16/00H02P9/40H02P9/42H02P9/48
    • A variable speed electric machine and a method for generating electric energy is provided. The electric machine includes an outer stator with a first set of field windings. Further, the electric machine includes a modulator outer rotor that is concentric and is located proximate to the outer stator. The modulator outer rotor is operatively coupled to an input shaft. Furthermore the electric machine includes a permanent magnet inner rotor concentric to the modulator outer rotor. The electric machine also includes an inner stator with a second set of field windings. The inner stator is concentric to the inner rotor and is operatively coupled to an electric grid. The outer stator, the modulator outer rotor, inner stator and the inner rotor are magnetically coupled with each other so as to maintain a constant electric frequency at the inner stator.
    • 提供了一种变速电机和一种产生电能的方法。 电机包括具有第一组励磁绕组的外定子。 此外,电机包括同心的并位于外定子附近的调制器外转子。 调制器外转子可操作地联接到输入轴。 此外,电机包括与调制器外转子同心的永磁体内转子。 电机还包括具有第二组励磁绕组的内部定子。 内部定子与内部转子同心,并且可操作地联接到电网。 外定子,调制器外转子,内定子和内转子彼此磁耦合,以便在内定子处保持恒定的电频率。
    • 9. 发明申请
    • MAGNETOSTRICTIVE SENSING SYSTEMS AND METHODS FOR ENCODING
    • 磁感应感应系统和编码方法
    • US20090301224A1
    • 2009-12-10
    • US12363178
    • 2009-01-30
    • Christof Martin SihlerJan Erich HemmelmannSimon Schramm
    • Christof Martin SihlerJan Erich HemmelmannSimon Schramm
    • G01L3/04H01L43/06
    • G01L3/102F03D7/04F05B2260/80F05B2270/802G01D5/485G01L1/125Y02E10/723
    • A magnetostrictive measurement system having one or more encoded polarized magnetic regions disposed circumferentially about a shaft, wherein adjacent magnetic regions along a section of the shaft have opposing polarities. In one embodiment the shaft is hollow and the encodings are interiorly disposed while in another embodiment the encodings are on the exterior surface of the shaft. There are one or more sensors, such as contact sensors, disposed about the shaft wherein the sensors enable measurements of at least one of bending moments or torque sensing. The sensors can also include non-contact sensors measuring the magnetic flux densities caused by the alternating magnetic fields from the rotating shaft. A processing section is used to process the sensor measurements, wherein the sensor measurements are used to compute at least one of shaft power, torque, speed, and bending moments.
    • 一种磁致伸缩测量系统,具有一个或多个经编码的偏振磁区,其围绕轴周向设置,其中沿轴的截面的相邻磁区具有相反的极性。 在一个实施例中,轴是中空的,并且编码在内部设置,而在另一实施例中,编码在轴的外表面上。 有一个或多个传感器,例如接触传感器,围绕轴设置,其中传感器能够测量弯矩或转矩感测中的至少一个。 传感器还可以包括测量由来自旋转轴的交变磁场引起的磁通密度的非接触式传感器。 处理部分用于处理传感器测量,其中传感器测量用于计算轴功率,扭矩,速度和弯矩中的至少一个。