Extendible/expandable nozzle for rocket engines and the like

Details Extendible/expandable nozzle for rocket engines and the like Extendible/expandable nozzle for rocket engines and the like

1977-06-24

1978-11-14

Cherry, Johnny D.

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle

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

B64C 1506

Patent

active

041252241

ABSTRACT:
A skirt-like device attached to the exit end of a rocket engine nozzle is fabricated of thin sheet heat resistant metal; which when extended in operative condition is in frusto-conical form, but which prior to engine firing is pleat-folded inwardly into a stowed position relative to the exit end of the rocket engine nozzle. Thus, prior to engine firing the device adds little or nothing to the engine
ozzle occupancy space; but incident to engine firing the device deploys to provide an effective engine nozzle/skirt combination of increased length and exit diameter/area; the combination having an inner surface of constant slope.

REFERENCES:
patent: 2593420 (1952-04-01), Diehl
patent: 3084505 (1963-04-01), Cherchi
patent: 3153319 (1964-10-01), Young et al.
patent: 3249306 (1966-05-01), Altseimer
patent: 3346186 (1967-10-01), Fulton et al.
patent: 3615052 (1971-10-01), Tumavicus

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