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    • 2. 发明授权
    • Active magnetic bearing
    • 主动磁轴承
    • US08896174B2
    • 2014-11-25
    • US13582508
    • 2011-03-02
    • Sang-Hyun Choi
    • Sang-Hyun Choi
    • H02K7/09F16C32/04
    • F16C32/047F16C32/0442F16C32/0446F16C32/0461F16C32/048
    • An active magnetic bearing includes a bearing housing, a bearing stator, a bearing armature, a position detector, a jacket, and a stress buffering member. The bearing stator is accommodated in the bearing housing to support rotation of a rotor by using a magnetic force. The bearing armature is disposed to be spaced apart from the bearing stator by an interval and fixed to the rotor. The position detector is installed in the bearing housing to detect a position of the rotor. The jacket is interposed between the bearing stator and the bearing armature to seal a space between the bearing stator and the bearing housing. The stress buffering member connected to opposite ends of the jacket and the bearing housing, to buffer a stress generated due to differences between thermal exposition coefficients and temperatures of the bearing housing and the jacket.
    • 主动磁轴承包括轴承座,轴承定子,轴承电枢,位置检测器,护套和应力缓冲构件。 轴承定子被容纳在轴承壳体中以通过使用磁力来支撑转子的旋转。 轴承电枢被设置成与轴承定子隔开间隔并固定到转子。 位置检测器安装在轴承壳体中以检测转子的位置。 护套夹在轴承定子和轴承电枢之间,以密封轴承定子和轴承壳体之间的空间。 应力缓冲构件连接到护套和轴承壳体的相对两端,以缓冲由于热暴露系数与轴承壳体和护套的温度之间的差异而产生的应力。
    • 3. 发明申请
    • Active Magnetic Bearing
    • 主动磁轴承
    • US20130038157A1
    • 2013-02-14
    • US13582508
    • 2011-03-02
    • Sang-Hyun Choi
    • Sang-Hyun Choi
    • H02K7/09
    • F16C32/047F16C32/0442F16C32/0446F16C32/0461F16C32/048
    • An active magnetic bearing includes a bearing housing, a bearing stator, a bearing armature, a position detector, a jacket, and a stress buffering member. The bearing stator is accommodated in the bearing housing to support rotation of a rotor by using a magnetic force. The bearing armature is disposed to be spaced apart from the bearing stator by an interval and fixed to the rotor. The position detector is installed in the bearing housing to detect a position of the rotor. The jacket is interposed between the bearing stator and the bearing armature to seal a space between the bearing stator and the bearing housing. The stress buffering member connected to opposite ends of the jacket and the bearing housing, to buffer a stress generated due to differences between thermal exposition coefficients and temperatures of the bearing housing and the jacket.
    • 主动磁轴承包括轴承座,轴承定子,轴承电枢,位置检测器,护套和应力缓冲构件。 轴承定子被容纳在轴承壳体中以通过使用磁力来支撑转子的旋转。 轴承电枢被设置成与轴承定子隔开间隔并固定到转子。 位置检测器安装在轴承壳体中以检测转子的位置。 护套夹在轴承定子和轴承电枢之间,以密封轴承定子和轴承壳体之间的空间。 应力缓冲构件连接到护套和轴承壳体的相对两端,以缓冲由于热暴露系数与轴承壳体和护套的温度之间的差异而产生的应力。
    • 7. 发明申请
    • Displacement Sensor and a Magnetic Bearing System Using the Same
    • 位移传感器和使用它的磁轴承系统
    • US20130057097A1
    • 2013-03-07
    • US13582506
    • 2011-02-28
    • Sang-Hyun Choi
    • Sang-Hyun Choi
    • G01B7/30H02K7/09
    • G01B7/144F16C32/044F16C32/0448G01D5/2046
    • In a displacement sensor and a magnetic bearing system using the same, the displacement sensor includes: a first coil unit including at least one first coil; a second coil unit including at least one second coil differentially connected to one side of the at least one first coil of the first coil unit; a sensor drive means for supplying a first power source voltage and a second power source voltage having the same drive frequency to the first coil unit and the second coil unit, respectively; and a detection circuit for extracting displacement information from a differential signal produced by the first coil unit and the second coil unit due to a change in inductances of the at least one first coil and the at least one second coil according to a position change of a displacement measurement object.
    • 在位移传感器和使用其的磁轴承系统中,位移传感器包括:第一线圈单元,其包括至少一个第一线圈; 第二线圈单元,其包括与所述第一线圈单元的所述至少一个第一线圈的一侧差分连接的至少一个第二线圈; 传感器驱动装置,用于分别向第一线圈单元和第二线圈单元提供具有相同驱动频率的第一电源电压和第二电源电压; 以及检测电路,用于根据第一线圈单元和第二线圈单元产生的差分信号,由于至少一个第一线圈和至少一个第二线圈的电感根据a的位置变化而提取位移信息 位移测量对象。
    • 8. 发明授权
    • Displacement sensor and a magnetic bearing system using the same
    • 位移传感器和使用其的磁性轴承系统
    • US09080852B2
    • 2015-07-14
    • US13582506
    • 2011-02-28
    • Sang-Hyun Choi
    • Sang-Hyun Choi
    • H02K11/00G01B7/14F16C32/04G01D5/20
    • G01B7/144F16C32/044F16C32/0448G01D5/2046
    • In a displacement sensor and a magnetic bearing system using the same, the displacement sensor includes: a first coil unit including at least one first coil; a second coil unit including at least one second coil differentially connected to one side of the at least one first coil of the first coil unit; a sensor drive means for supplying a first power source voltage and a second power source voltage having the same drive frequency to the first coil unit and the second coil unit, respectively; and a detection circuit for extracting displacement information from a differential signal produced by the first coil unit and the second coil unit due to a change in inductances of the at least one first coil and the at least one second coil according to a position change of a displacement measurement object.
    • 在位移传感器和使用其的磁轴承系统中,位移传感器包括:第一线圈单元,其包括至少一个第一线圈; 第二线圈单元,其包括与所述第一线圈单元的所述至少一个第一线圈的一侧差分连接的至少一个第二线圈; 传感器驱动装置,用于分别向第一线圈单元和第二线圈单元提供具有相同驱动频率的第一电源电压和第二电源电压; 以及检测电路,用于根据由所述第一线圈单元和所述第二线圈单元产生的差分信号由于所述至少一个第一线圈和所述至少一个第二线圈的电感的变化而提取位移信息, 位移测量对象。