Pneumatic bag deployment of folded nozzle extensions

Details Pneumatic bag deployment of folded nozzle extensions Pneumatic bag deployment of folded nozzle extensions

1985-09-30

1987-01-27

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle

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

60271, F02K 108

Patent

active

046389474

ABSTRACT:
An apparatus and method for deploying and forming a rocket engine nozzle extension 10. A pneumatic bag 18 within the fixed nozzle 14 of a rocket engine is inflated to push and unfold the nozzle extension 10. The nozzle extension 10 is of the type which attaches to the end of the fixed nozzle 14 and is turned inwardly toward the central axis of said fixed nozzle 14 and folded along creases so that prior to it being extended the nozzle extension 10 is in a stowed configuration inside the fixed nozzle 14. After the nozzle extension 10 is completely formed, pneumatic bag 18 may be jettisoned by firing the rocket engine or by a mechanical releasing mechanism.

REFERENCES:
patent: 3596465 (1971-08-01), Paine
patent: 3711027 (1973-01-01), Carey
patent: 4125224 (1978-11-01), Carey
patent: 4162040 (1979-07-01), Carey
patent: 4184238 (1980-01-01), Carey
patent: 4272956 (1981-06-01), Lamere et al.
patent: 4313567 (1982-02-01), Feight
patent: 4387564 (1983-06-01), Carey
patent: 4480437 (1984-11-01), Gauge

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