ELECTRIC BOOST ACTUATION SYSTEM FOR TRANSLATING RINGS
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United States of America Patent
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Issued Date -
Apr 7, 2016
app pub date -
Oct 1, 2014
filing date -
Oct 1, 2014
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Abstract
An actuation system for a gas turbine engine oriented about a centerline includes a translating ring, at least one hydraulic actuator, and at least one electric actuator. The translating ring is oriented about the centerline and configured to move axially along the centerline. The at least one hydraulic actuator is configured to provide a first mechanical force to move the translating ring along the centerline. The at least one electric actuator is configured to provide a second mechanical force to move the translating ring in the axial direction. The at least one electric actuator is controlled to provide the second mechanical force upon determination of an operating condition.
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