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VIBRATION/NOISE REDUCTION DEVICE, ELECTRIC COMPRESSOR INCLUDING THE VIBRATION/NOISE REDUCTION DEVICE, AND VIBRATION/NOISE REDUCTION METHOD
VIBRATION/NOISE REDUCTION DEVICE, ELECTRIC COMPRESSOR INCLUDING THE VIBRATION/NOISE REDUCTION DEVICE, AND VIBRATION/NOISE REDUCTION METHOD
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机译:振动/噪声降低装置,包括振动/噪声降低装置的电动压缩机,以及振动/噪声降低方法
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摘要
With an electric compressor including a rotational shaft, a compressor wheel disposed on the rotational shaft, and an electric motor for applying a rotational force to the rotational shaft including a rotor fixed to the rotational shaft, and a stator disposed around the rotor, for applying the rotational force to the rotor by an electromagnetic force, a vibration/noise reduction device includes a detector for detecting a frequency related to a vibration of the stator, and a signal generator for generating a vibration signal that has a frequency of a predetermined integral multiple of an electrical angle frequency, which is obtained from the frequency detected by the detector, and has a signal wave attenuating the vibration of the stator, and a vibrator for vibrating the electric compressor based on the vibration signal.
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