Thrust vector control flap with a merging convex, concave inner

Details Thrust vector control flap with a merging convex, concave inner Thrust vector control flap with a merging convex, concave inner

1989-03-30

1990-09-18

Peters, Jr., Joseph F.

Aeronautics and astronautics

Aircraft, heavier-than-air

Fluid sustained

244 125, 23926519, 60230, B64C 2900

Patent

active

049572490

ABSTRACT:
A thrust vector control for a jet engine is accomplished by controllable flaps which have an inner, jet flow facing contour with a double curvature. One curvature section is convex and extends between the leading edge of the flap and a transition point. The other curvature section is concave and extends between the transition point and the trailing edge of the flap. The flap or flaps are arranged downstream of the propulsion jet nozzle and are tilted into the jet stream as required for the vector control. A pressure sensor is arranged so as to measure or pick-up a pressure value, preferably near the trailing edge of the flap, which pressure value depends on the dynamic pressure head in that area. The respective pressure value is used in a closed loop control circuit for operating the tilting drive of the respective flap.

REFERENCES:
patent: 3045947 (1962-07-01), Bertin et al.
patent: 3414195 (1968-12-01), Saunders
patent: 4052007 (1977-10-01), Willard
patent: 4074878 (1978-02-01), Sherman
patent: 4182501 (1980-01-01), Fage
patent: 4316721 (1982-02-01), Weiss et al.
patent: 4610213 (1986-09-01), Walker
patent: 4654140 (1987-02-01), Bevilaqua et al.

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