THRUST REVERSER HYDRAULIC ACTUATION SYSTEM WITH SERVO SYNCHRONIZATION
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United States of America Patent
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Issued Date -
Apr 2, 2015
app pub date -
Feb 11, 2013
filing date -
Feb 11, 2013
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Abstract
A thrust reverser system and method for controlling actuation thereof. The thrust reverser system may have a control system, two thrust reverser doors actuatable between an open position and a closed position, hydraulic actuators attached to and used to actuate each of the thrust reverser doors, servo valves each communicatively coupled with one of the hydraulic actuators to control hydraulic flow to and from the hydraulic actuators, and position sensors mounted on each of the thrust reverser doors to provide signals associated with a position thereof to the control system. The control system may send command signals to the servo valves to independently adjust at least one of hydraulic flow rate, hydraulic pressure, direction, and position of the hydraulic actuators depending on an amount of offset between the signals received from the position sensors.
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