Variable throat convergent/divergent nozzle

Details Variable throat convergent/divergent nozzle Variable throat convergent/divergent nozzle

1991-04-19

1992-05-12

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle with jacketed or hollow...

With subsequent mixing in main discharge stream in or...

23926519, 23926539, 60266, 60271, B64C 938, F02K 106

Patent

active

051119927

ABSTRACT:
Cooling ambient air is induced through openings in the upstream portion of each divergent flap at intermediate throat areas where the nozzle pressure is below ambient pressure. A barometric damper in these openings prevents outflow of hot gases when operating near the minimum throat area and maximum throat area since the internal pressure is above ambient pressure during such operation.

REFERENCES:
patent: 3062003 (1962-11-01), Hamilton
patent: 3302889 (1967-02-01), DiSabato
patent: 3367579 (1968-02-01), Mehr
patent: 3702681 (1972-11-01), Hasbrouck et al.
patent: 3715079 (1973-02-01), Thompson
patent: 4043509 (1977-08-01), McHugh et al.
patent: 4081137 (1978-03-01), Sutton et al.
patent: 4643356 (1987-02-01), Holler et al.

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