Patent ID: 11927199
Assignee: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A compressor comprising:
a rotation shaft which rotates around an axis;
an impeller which press-feeds a fluid from one side in an axial direction toward an outward side in a radial direction by rotating together with the rotation shaft;
a casing which surrounds the rotation shaft and the impeller and in which an exit flow channel for introducing the fluid press-fed from the impeller is formed; and
an acoustic liner which is provided so as to face an inside of the exit flow channel in the casing, wherein
the acoustic liner has:
a plurality of open hole portions which are arranged with intervals therebetween; and
a plurality of acoustic spaces, and

each of the acoustic spaces communicates with only one of the open hole portions.