Patent 11946480 was granted and assigned to IHI Corporation on April, 2024 by the United States Patent and Trademark Office.
A centrifugal compressor includes: a housing including an intake flow path; a compressor impeller arranged in the intake flow path; a movable portion arranged upstream of the compressor impeller in a flow of an intake air; and a groove formed in an area other than a surface located on a downstream side in the flow of the intake air in the movable portion.