Patent ID: 11885343
Assignee: IHI CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A centrifugal compressor comprising:
a housing including an intake flow path;
a compressor impeller disposed in the intake flow path;
an accommodation chamber formed upstream of the compressor impeller in a flow of an intake air in the housing; and
a movable member disposed in the accommodation chamber and configured to be movable in a radial direction of the compressor impeller between a retracted position where the movable member is retracted from the intake flow path and a protruding position where the movable member protrudes from the accommodation chamber into the intake flow path,
wherein the accommodation chamber includes a wall surface positioned upstream of the movable member and facing the movable member in an axial direction of the compressor impeller, and
wherein the wall surface includes a contacting portion that is contactable with the movable member in the axial direction, and a non-contacting portion that is non-contactable with the movable member, the non-contacting portion being a depressed portion that is depressed from the wall surface toward an inlet of the housing.