Variable cycle plug nozzle and flap and method of operating same

Details Variable cycle plug nozzle and flap and method of operating same Variable cycle plug nozzle and flap and method of operating same

1975-12-01

1977-08-02

Blunk, Evon C.

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle

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

23926529, 23926533, 23926541, B64C 1502, B64D 3304

Patent

active

040391469

ABSTRACT:
A propulsion nozzle having a substantially cylindrical translatable shroud partially defining an outer flow duct and an articulated plug mounted within the shroud to partially define an inner coannular flow duct. A variable position valve comprises the downstream portion of the common wall between the ducts. The valve cooperates with the shroud and the plug, as required, to form a variable area throat for either flow duct, or both.

REFERENCES:
patent: 3296800 (1967-01-01), Keenan et al.
patent: 3352494 (1967-11-01), Colville et al.
patent: 3612402 (1971-10-01), Timms
patent: 3670964 (1972-06-01), Pedersen
(R74AEG452) Dusa et al., Turbine Engine Exhaust Nozzle Performance Investigation, Phase I Interim Report, The Boeing Company, May 1974.

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