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

Claim 7:
8. 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 hub;
a drive ring defining a first plane, the drive ring being
operably connected to a plurality of guide vanes and
configured to rotate the guide vanes between an open position and a closed position; and

a linkage arm haying
a first end connected to the worm gear at a first point and
a second end connected to the drive ring at a second point,

the first point being closer to the first plane when the guide vanes are in the closed position than when the guide vanes are in the open position.