Enhanced lubrication skewed roller clutch assembly and actuator including same
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United States of America Patent
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Mar 12, 2013
Grant Date -
Jan 13, 2011
app pub date -
Apr 8, 2009
filing date -
Jul 17, 2006
priority date (Note) -
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Abstract
A roller clutch assembly for use in an actuator is provided that includes a roller cage and at least one roller. A lubricating medium at least partially surrounds the roller cage and the roller. The roller cage includes at least one wiper configured to move the lubricating medium toward its functional location adjacent the rollers. An aircraft actuator for controlling movement of an aircraft flight control surface is also provided that includes a ball nut and a ball screw operatively connected to the flight control surface. A one-way roller clutch is operatively connected to the ball nut and substantially prevents rotation of the ball nut in a first direction in response to a compressive force on the ball screw. A roller clutch assembly according to the present invention is positioned between the ball nut and the one-way roller clutch.
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