Thrust reverser with movable deflector

Details Thrust reverser with movable deflector Thrust reverser with movable deflector

1988-07-22

1990-01-23

Stout, Donald E.

Power plants

Reaction motor

Interrelated reaction motors

23926529, F02K 170

Patent

active

048949850

ABSTRACT:
The present invention relates to a thrust reverser system for a turbofan-type turbojet engine having thrust reverser doors with movable deflectors. The deflectors are movably attached to an upstream edge of the thrust reversing doors and are movable between retracted and extended positions. When the thrust reversing door is closed and the turbojet engine operates in its normal thrust mode, the deflectors are retracted thereby enabling the difference between the inner surface of the thrust reversing door and the theoretical aerodynamic flow line to be reduced or eliminated. When the thrust reversing door is in the thrust reversing position, the deflector is extended so as to protrude beyond the inner surface of the door so as to direct the air flow in a more forward direction to increase the thrust reversing capabilities of the system. The deflectors are mounted on the thrust reversing door such that they are automatically extended when the thrust reversing door moves to the thrust reversing position.

REFERENCES:
patent: 3279182 (1966-10-01), Heimintoller
patent: 3605411 (1971-09-01), Maison et al.
patent: 3815357 (1974-06-01), Brennan
patent: 4410152 (1983-10-01), Kennedy et al.
patent: 4485970 (1984-12-01), Fournier et al.
Machine Design, vol. 55, No. 2, Jan. 1983, pp. 78-79, Cleveland Ohio, USA, McLafferty: "New Thrust Control May Boost Fighter Maneuverability".

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