An electromechanical actuator in an aircraft brake system may include a stationary body, an actuator drive unit in an actuator drive unit housing, a ball screw coupled to the actuator drive unit, and a ball nut piston coupled to the ball screw. A supplemental back drive mechanism may be disposed between the ball screw and the stationary body. The supplemental back drive mechanism may comprise a spring and a clutch. The spring may store back drive potential energy when the electromechanical actuator is actuated to drive the ball nut piston forward, and may supply back drive energy to the retract the ball nut piston.
ELECTROMECHANICALLY ACTUATED BRAKE WITH SUPPLEMENTAL BACK DRIVE
21.07.2016
Patent
Elektronische Ressource
Englisch
Electromechanically actuated brake with supplemental back drive
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