Patent ID: 9309778
Filing Date: 2016-04-12
CPC Classification: F01D,F04D,F05D

Claim Text:
1. A turbomachine, comprising: a variably positioned vane; a spindle integral with a vane outer button, wherein the vane is coupled to the vane outer button; an annular sleeve defining the spindle, wherein the annular sleeve contacts the vane outer button at a radially inward extent and contacts a turbine casing at a radially outward extent, wherein the annular sleeve comprises a wall portion positioned perpendicular to the spindle, the wall portion including an aperture and the spindle extending from the vane outer button to and through the aperture, and wherein the spindle includes threads; a nut engaged with the threads, the nut applying force to the wall portion toward the radially inward extent; wherein a radially outward end of the spindle extends though the turbine casing, and wherein a cantilever rotation actuator is coupled to the radially outward end of the spindle; a first rolling element engaging the annular sleeve substantially near the radially outward extent, wherein the first rolling element is coupled to the turbine casing; and a second rolling element engaging the annular sleeve substantially near the radially inward extent, wherein the second rolling element is coupled to an outer endwall ring.