Rocket motor extendible nozzle exit cone

Details Rocket motor extendible nozzle exit cone Rocket motor extendible nozzle exit cone

1986-06-20

1988-08-30

Eley, Timothy V.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

B23P 1500

Patent

active

047666579

ABSTRACT:
A rocket motor extendible nozzle exit cone, in one embodiment, is made by folding a sheet stock (metal, etc.) development of a membrane in the form of a cone or conical frustum (with a straight meridian) in such manner involving the provision of a plurality of crease lines therein that the aft or larger diameter region of the membrane that is constructed by joining the two longitudinal edges may be collapsed for stowage with vastly reduced overall length, maximum diameter, and with substantially increased rigidity in comparison with the fully deployed unit. In other embodiments, the extendible nozzle exit cone is made as an integral, seamless, free-standing member. In the stowed condition of each of the embodiments, the material comprising the aft portion of the membrane is situated in multiple layers within the forward portion so that deployment is induced by forward-to-aft gas flow of the rocket motor within the cone.

REFERENCES:
patent: 4184238 (1980-01-01), Carey

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