Flight control actuator drive
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United States of America Patent
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Jul 11, 2017
Grant Date -
Sep 10, 2015
app pub date -
Mar 5, 2015
filing date -
Mar 5, 2014
priority date (Note) -
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Abstract
A flight control actuator drive including a first motor for providing a first rotational input, a second motor for providing a second rotational input and a speed summing device for combining the first and second rotational inputs into a rotational output for controlling an actuator. The speed summing device comprises first and second input gears to which the first and second motors are connected via first and second irreversible gears so that the first and second input gears can each transmit power in one direction only. The speed summing device may be a planetary gear assembly.
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