Actuator sealing system and method
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United States of America Patent
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Dec 5, 2017
Issued Date -
Aug 21, 2014
app pub date -
Sep 6, 2012
filing date -
Sep 9, 2011
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Abstract
Actuator devices useable to change orientation of one or more vanes, including an actuator rod and an actuator device body configured to allow the actuator rod to move along the axis inside the actuator device body, and having an inlet flange configured to allow a third fluid to enter a space between the actuator device body and the actuator rod, and an outlet flange configured to allow the third fluid to exit the actuator device body. Besides providing a fluid seal between the first fluid and the second fluid, the third fluid may also heat the actuator rod thereby preventing ice formation.
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