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发明授权
CN108425843B 共旋转式压缩机 有权

共旋转式压缩机
摘要：
本公开提供了一种共旋转式压缩机，其可以包括第一压缩构件和第二压缩构件、第一轴承组件和第二轴承组件、传感器以及处理电路。第二压缩构件与第一压缩构件配合以限定压缩腔。第一轴承组件和第二轴承组件分别以可旋转的方式支承第一压缩构件和第二压缩构件。第一轴承组件可以包括轴承转子和轴承定子。轴承定子可以环绕轴承转子并且可以包括极柱，每个极柱均具有绕组。传感器可以对轴承转子的相对于轴承定子的径向位置进行测量。处理电路可以与传感器进行通信并且可以基于由传感器测得的径向位置来控制供给至所述绕组的电流，以对轴承转子的相对于轴承定子的径向位置进行调节。
摘要（英）：

A compressor may include first and second compression members, first and second bearing assemblies, a sensor, and processing circuitry. The second compression member cooperates with the first compression member to define a compression pocket. The first and second bearing assemblies rotatably support the first and second compression members, respectively. The first bearing assembly may include a bearing rotor and a bearing stator. The bearing stator may surround the bearing rotor and may include poles each having a winding. The sensor may measure a radial position of the bearing rotor relative to the bearing stator. The processing circuitry may be in communication with the sensor and may control electrical current supplied to the windings based on the radial position measured by the sensor to adjust the radial position of the bearing rotor relative to the bearing stator.

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