CPC F04D 27/0253 (2013.01) [F04D 17/10 (2013.01); F04D 27/003 (2013.01); F01D 17/141 (2013.01); F04D 29/4213 (2013.01); F04D 29/464 (2013.01); F04D 29/667 (2013.01); F04D 29/685 (2013.01)] | 6 Claims |
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.
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