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    • 3. 发明授权
    • Rotary single-phase electromagnetic servo actuator comprising an actuator and a position sensor
    • 旋转单相电磁伺服致动器包括致动器和位置传感器
    • US08222777B2
    • 2012-07-17
    • US11917611
    • 2006-06-15
    • Guillaume LoussertPierre Gandel
    • Guillaume LoussertPierre Gandel
    • H02K11/00H02K23/66
    • H02K29/08H02K11/01
    • The invention concerns a rotary single-phase electromagnetic servo actuator consisting of a rotary actuator designed to move a mobile member along a limited travel, including a 2N pole stator structure, N being equal to 1 or 2, and at least one field coil, said stator structure being made of a material with high magnetic permeability, and a rotor having a ferromagnetic yoke and a thin magnetized portion consisting of 2N pairs of axially magnetized poles, in alternate directions and a rotor angular position sensor. The invention is characterized in that the position sensor has a magnetic field emitter integral with the yoke and a receiver for the magnetic field stationary relative to the stator structure.
    • 本发明涉及一种旋转单相电磁伺服致动器,其包括旋转致动器,该旋转致动器被设计成沿着有限行程移动移动构件,包括2N极定子结构,N等于1或2,以及至少一个励磁线圈,所述 定子结构由具有高磁导率的材料制成,转子具有铁磁轭和由2N对的轴向磁化的磁极组成的薄磁化部分和交替的方向,以及转子角位置传感器。 本发明的特征在于,位置传感器具有与磁轭一体的磁场发射器和用于相对于定子结构固定的磁场的接收器。