35Geared unison ring for multi-stage variable vane actuation

    公开(公告)号:US10329947B2

    公开(公告)日:2019-06-25

    申请号:US15079482

    申请日:2016-03-24

    Abstract: A variable vane system includes a first variable vane stage with a multiple of first actuator gears, each of the multiple of first actuator gears mounted to a respective variable vane of the first variable vane stage, and a second variable vane stage with a multiple of second stage actuator gears. Each of the multiple of second stage actuator gears mounted to a respective variable vane of the second variable vane stage, an extended geared unison ring driven by the drive gear, wherein the extended geared unison ring spans at least a first variable vane stage and a second variable vane stage, each of the multiple of first and second stage actuator gears driven by the extended geared unison ring.

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