Molded nozzle for rocket motor

Details Molded nozzle for rocket motor Molded nozzle for rocket motor

1978-03-30

1980-11-11

Reeves, Robert B.

Aeronautics and astronautics

Missile stabilization or trajectory control

Externally mounted stabilizing appendage

60 3982E, 60256, 23926515, 23926519, 239DIG19, F42B 1332

Patent

active

042328438

ABSTRACT:
A lightweight, relatively inexpensive rocket nozzle assembly which is heat resistant, ablative and electrically insulating. The body of the nozzle is molded in fibre reinforced thermosetting resin integrally with a forward metallic retaining ring, a rear metallic fin supporting ring and an electrical contact ring. A graphite throat insert is also provided and helical vanes are integrally molded into the rear portion of the nozzle to effect rotary motion of the exhaust gases. Wrap around fins are secured externally of the nozzle and provided with a retainer ring-shear pin assembly to hold the fins in the closed position for transport, and spring means to deploy the fins after firing and shearing of the shear pins.

REFERENCES:
patent: 2645999 (1953-07-01), Bogard
patent: 3048972 (1962-08-01), Barlow
patent: 3177809 (1965-04-01), Russell-French
patent: 3635404 (1972-01-01), Hopkins et al.
patent: 3695556 (1972-10-01), Gauzza et al.
patent: 3952970 (1976-04-01), Orzechowski et al.

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