Variable Pitch Mounting For Aircraft Gas Turbine Engine

Abstract: Aircraft engine mounted to aircraft pylon with variable pitch mounting system includes variable length actuator disposed between engine and pylon for pitching engine relative to pylon. Spaced apart pylon front and rear mounts may pivotably mount front and rear stationary engine components of engine to front and rear mount positions on pylon. Front and rear linkages may vertically suspend engine from pylon with pivotable links disposed between pylon front and rear mounts and front and rear stationary engine components. One or more thrust links may be pivotably joined at link rear ends to pylon rear mount and at link forward ends to front support frame. Alternative mounting system may include support structure cantilevered off pylon for pivotably supporting engine and actuator substantially horizontally disposed between engine and pylon. Incidence angle between engine centerline axis and air streamlines may be adjusted by changing length of actuator. Fig.l

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