Rotating Machine

Abstract: This rotating machine includes a rotary part, a stationary part surrounding the rotary part, and a seal device for reducing a leakage flow of fluid through a gap between the rotary part and the stationary part. The seal device includes: a seal member provided in a gap between the rotary part and the stationary part; and a first biasing member for biasing the seal member toward the outside in the radial direction of the rotating machine. The inner peripheral surface of the stationary part has a first groove extending along the circumferential direction of the rotating machine, and a second groove positioned on the upstream side of the first groove in the axial direction of the rotating machine and extending along the circumferential direction. A first support part capable of supporting the seal member is formed on a side surface of the first groove, and a second support part capable of supporting the seal member is formed on a side surface of the second groove.

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