Device for varying the gas exit area of an exhaust nozzle for a

Details Device for varying the gas exit area of an exhaust nozzle for a Device for varying the gas exit area of an exhaust nozzle for a

1975-02-28

1976-11-02

Blunk, Evon C.

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle

With means controlling amount, shape or direction of...

60232, 23926539, B64C 1508

Patent

active

039891925

ABSTRACT:
A jet deflecting device has a first rotatable pipe section connected to the nd of an engine jet pipe and a second pipe section rotatably connected to the end of the first pipe section. Nozzle flaps are provided at the end of the second pipe section, and coupled to be moved inwardly and outwardly in response to axial movement of a nozzle actuating skirt slidably mounted at the end of the second pipe section. A first drive motor on the stationary jet pipe directly rotates the first pipe section by way of driving gears. A second drive motor is coupled by gears to rotate the second pipe section independently of rotation of the first pipe section, and a third drive motor is provided for rotating an angular gear carrier on the second pipe section independently of the angular position of the two pipe sections. An angle drive mechanism is provided for converting rotational movement of the angular gear carrier to axial movement of the nozzle actuating skirt for control of the nozzle flaps. A common planetary gear arrangement may be provided for the second and third drive motors.

REFERENCES:
patent: 2932163 (1960-04-01), Hyde
patent: 2933891 (1960-04-01), Britt
patent: 3260049 (1966-07-01), Johnson
patent: 3485450 (1969-12-01), Kurti et al.
patent: 3687374 (1972-08-01), Nash
patent: 3776467 (1973-12-01), Riemerschmid

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