Magnetorheological rotorcraft actuation system
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United States of America Patent
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Jul 26, 2016
Grant Date -
Aug 6, 2015
app pub date -
Sep 10, 2014
filing date -
Jan 31, 2014
priority date (Note) -
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Abstract
In some embodiments, an actuation system includes a plurality of threaded member portions, a plurality of roller nuts, a driving member configured to receive mechanical energy from a power source, a plurality of driven members, and a magnetorheological (MR) fluid disposed between the plurality of driven members and at least one braking surface. An output member may be coupled between the rotor system and either the plurality of threaded member portions or the plurality of roller nuts and configured to translate linearly in response to the threaded member portions advancing or receding within the roller nuts.
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