GYROSCOPIC ACTUATOR WITH DOUBLE GIMBAL GUIDANCE, SUSPENSION ELEMENT AND END-STOP ELEMENT
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United States of America Patent
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Issued Date -
Mar 23, 2017
app pub date -
Sep 16, 2016
filing date -
Sep 18, 2015
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Abstract
A dual guidance gyroscopic actuator comprises, a main structure connected to a platform, connected to a satellite, a ring, a U-shaped cradle, having first and second ends and a central part, a flywheel mounted on the central part between the first and second ends, being rotationally mobile with respect to the cradle about a first axis. A first bearing is positioned at the first end and a second bearing is positioned at the second end connecting the ring to the cradle, the first and second bearings rendering the cradle rotationally mobile with respect to the ring about a second axis substantially perpendicular to the first axis. The ring is connected to the main structure. The gyroscopic actuator comprises at least one suspension element limiting microvibrations from the cradle and flywheel and at least one end-stop element limiting travel cradle and of the flywheel with respect to the main structure.
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