Variable throat convergent/divergent nozzle

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

1991-04-22

1992-08-25

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

051411547

ABSTRACT:
Each convergent flap and seal has a cantilevered extension deflector. This deflector reduces the throat area at minimum throat area, and seals against a divergent flap or seal in the maximum throat area position.
Cooling ambient air is induced through openings in the upstream portion of each divergent seal at intermediate throat areas. At minimum throat area the divergent flaps block these openings. At maximum throat area the deflectors block the cooling airflow path.

REFERENCES:
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patent: 3386658 (1968-06-01), Mehr
patent: 3972475 (1976-08-01), Nelson et al.
patent: 3979065 (1976-09-01), Madden
patent: 4043509 (1977-08-01), McHugh et al.
patent: 4074523 (1978-02-01), Holler et al.
patent: 4081137 (1978-03-01), Sutton et al.
patent: 4196856 (1980-04-01), James
patent: 4203286 (1980-05-01), Warburton
patent: 4544098 (1985-10-01), Warburton
patent: 4643356 (1987-02-01), Holler et al.

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