Rocket motor nozzle extension system

Fluid sprinkling – spraying – and diffusing – Reaction motor discharge nozzle – With means controlling amount – shape or direction of...

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Details

60271, 285 24, 285302, 403104, 403109, F02K 109

Patent

active

046764364

ABSTRACT:
A system for supporting and deploying a rocket motor nozzle extension that is stowed in concentric overlapping relationship with the nozzle. The system includes a plurality of articulated frames having first and second pairs of links pivotally connected, respectively, to the nozzle and to the nozzle extension. Articulation for each frame is provided by a knee hinge connecting the two pairs of links at their outer ends, thereby permitting the pairs of links to swing apart. A retractable cable looped around the knee hinges of each of the frames is capable of forcing the hinges inwardly toward the nozzle and nozzle extension to force the pairs of links of each frame apart and to move the nozzle extension to a deployed position at the end of the nozzle. Retraction of the cable is accomplished by a motor driven spool on which the cable is wound. Shearable locking pins in the knee hinges of the frames lock the system to hold the nozzle extension in its stowed position until the system is activated to deploy the extension.

REFERENCES:
patent: 2473470 (1949-06-01), Fall
patent: 3183664 (1965-05-01), Divone
patent: 3346186 (1967-10-01), Fulton et al.
patent: 4162040 (1979-07-01), Carey
patent: 4169555 (1979-10-01), Crowe
patent: 4184238 (1980-01-01), Carey
patent: 4213566 (1980-07-01), Miltenberger
patent: 4349155 (1982-09-01), Donguy
patent: 4383407 (1983-05-01), Inman
patent: 4489889 (1984-12-01), Inman

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