Flight lock actuator with dual energy sources

Details Flight lock actuator with dual energy sources Flight lock actuator with dual energy sources

2006-11-21

2006-11-21

Palabrica, Ricardo (Department: 3663)

Aeronautics and astronautics

Aircraft structure

Details

C244S118100, C244S119000, C188S171000

Reexamination Certificate

active

07137595

ABSTRACT:
A flight lock actuator that can be powered by two sources of stored energy when aircraft power has been switched off. A mechanical energy storage means and an electrical energy storage means provide a fully redundant energy storage system that stores sufficient energy to complete the actuator's extension stroke when aircraft power is removed. The actuator has a motor control system that limits the stroke velocity for both the extension and retraction strokes, including a damper feature capable of effectively braking the actuator during the back-driven extension stroke.

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