Rotation shaft supporting structure for electric supercharger
AssigneeMitsubishi Heavy Industries, Ltd.
InventorsNoriyuki Hayashi, Yukio Yamashita, Byeongil An
Life of this patent
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Abstract
A rotation shaft supporting structure for an electric supercharger is provided with: a rotation shaft to which a compressor wheel is attached, the compressor wheel being a wheel of a supercharging side; an electric motor including a motor rotator securely installed to the rotation shaft, and a stator for applying torque to the motor rotator; a bearing provided on a bearing side closer to the compressor wheel than the motor rotator so as to support the rotation shaft; and a damper unit for absorbing shaft vibration of the rotation shaft, the damper unit being provided at a shaft end on an opposite side to the bearing side.
Claims9
A rotation shaft supporting structure for an electric supercharger, comprising:
- a rotation shaft to which a compressor wheel is attached, the compressor wheel being a wheel of a supercharging side;
- an electric motor comprising a motor rotator securely installed to the rotation shaft, and a stator for applying torque to the motor rotator;
- a bearing for supporting the rotation shaft, the bearing being provided on a bearing side closer to the compressor wheel than the motor rotator;
- and
- a damper unit for absorbing shaft vibration of the rotation shaft, the damper unit being provided at a shaft end on an opposite side to the bearing side.
Dependencies are inferred from the claim text.