Patent ID: 11873822
Assignee: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 4:
5. The centrifugal compressor according to claim 1, wherein
at least one of the plurality of diaphragms includes an extending portion extending toward the outer side in the radial direction and partitioning the return flow path and the scroll flow path in the axial direction, on the first side in the axial direction with respect to the scroll flow path,
an introduction portion inner flow path forming surface is located on an innermost side in the radial direction in the introduction portion and is a curved surface, and
the curved surface is formed at a tip portion of the extending portion on the outer side in the radial direction and protrudes toward the outer side in the radial direction, when viewed from the circumferential direction.