Patent ID: 11953015
Assignee: DAIKIN INDUSTRIES, LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 12:
13. The centrifugal compressor according to claim 1, wherein
the compressor housing has an inlet side and a discharge side along an axial direction of the multiple stage centrifugal compressor,
at least one of the first stage impeller and the second stage impeller is arranged in the compressor housing, the first stage impeller having a first radius in a direction perpendicular to the axial direction and being disposed between the second stage impeller and the inlet side of the compressor housing,
the second stage volute is a discharge volute disposed on the discharge side of the compressor housing, and
a ratio of the first radius to a distance between the first stage impeller and the second stage impeller is equal to or larger than 0.5 and smaller than or equal to 1.0.