Rotatable arms for thrust vectoring and changing the area of a n

Details Rotatable arms for thrust vectoring and changing the area of a n Rotatable arms for thrust vectoring and changing the area of a n

1992-09-08

1994-03-15

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle

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

244 52, 60230, B64C 1502

Patent

active

052940551

ABSTRACT:
Two arms rotatably mounted in slideable abutment with an interior wall of a nozzle. The arms extend from a common axis of rotation, and each includes a bump having a crest running radially from the axis of rotation to the tip of the arm. Together with the opposing ceiling and adjacent sidewalls of the nozzle, the arms define the moveable throat of the nozzle. The ceiling of the nozzle opposite the arms is contoured so that rotation of the arms changes the area of the nozzle throat while changing the direction of fluid medium flowing through the nozzle. The arms are connected by a linkage which coordinates their movement. Coordinated rotation of the arms can simultaneously change the throat area of the nozzle and the direction of fluid flow, or change either the throat area or the direction of fluid flow while keeping the other constant.

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