Aircraft ram air inlet with multi-member closure flap

Details Aircraft ram air inlet with multi-member closure flap Aircraft ram air inlet with multi-member closure flap

2007-05-29

2007-05-29

Swiatek, Robert P. (Department: 3644)

Aeronautics and astronautics

Aircraft power plants

Reexamination Certificate

active

10910260

ABSTRACT:
A ram air inlet includes a channel with an intake in a wing leading edge, front and rear flaps arranged in the channel for selectively closing or opening the channel, and an actuator connected to the flaps. A front end of the front flap is pivotably connected by a fixed bearing to an aircraft structure adjacent the intake. A rear end of the rear flap is moveably and pivotably mounted to the aircraft structure via a movable bearing arrangement, e.g. a pivot bearing linearly movable in guide tracks, or a flexible lever connected to a fixed pivot bearing, or a swinging bearing pivotably connected to a fixed bearing. The opposite ends of the flaps are pivotably connected to each other by a third bearing. The actuator drives the third bearing to pivot the front flap between opened and closed positions, while the rear flap pivots and moves in the wing chord and/or thickness directions.

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