Patent ID: 11885351
Assignee: DAIKIN INDUSTRIES, LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 11:
12. An inlet guide vane assembly for a centrifugal compressor, the inlet guide vane assembly comprising:
a worm drive including a worm actuator and a worm gear mounted on a central hub;
a drive ring defining a first plane, the drive ring being
operably connected to a plurality of guide vanes and
configured to open and close the plurality of guide vanes; and

a linkage arm defining a first line and having
a first end connected to the worm gear and
a second end connected to the drive ring,

an acute angle between the first plane and the first line is smaller when the plurality of guide vanes are closed than when the plurality of guide vanes are open.