Fail-free actuator assembly
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United States of America Patent
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Sep 28, 1999
Grant Date -
N/A
app pub date -
Jul 24, 1998
filing date -
Sep 10, 1997
priority date (Note) -
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Abstract
An electromechanical actuator is disclosed having either a rotary output or a linear output for moving an external load, the actuator having at least two drive motors, a synchronizer connected to the outputs of the drive motors, a differential mechanism combining the outputs of the drive motors, and a quick release mechanism connected to the differential mechanism and the actuator output, the quick release mechanism releasing support of the external actuator load in response to an internal actuator jam and maintaining support or the external actuator load in response to an external actuator overload.
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