Fluid sprinkling – spraying – and diffusing – Reaction motor discharge nozzle – With erodible – frangible or fusible nozzle part
Patent
1971-09-13
1976-11-02
Ward, Jr., Robert S.
Fluid sprinkling, spraying, and diffusing
Reaction motor discharge nozzle
With erodible, frangible or fusible nozzle part
23926519, B64C 1508, B63H 1110
Patent
active
039891917
ABSTRACT:
The central portion of the aft closure of a rocket motor case is recessed inwardly and held in fixed relationship to an apertured aft closure dome by brackets. A sleeve, operating in sealed relationship inside an annular, aftwardly extending flange fixed to the periphery of the recessed aft closure section, is joined by radial arms to a socket on a ball joint centrally fixed to the aft side of the recessed aft closure section. A hollow spike nozzle member, attached to the socket by a hydraulic actuator, may operate with sliding motion and in sealed relationship to the inner, cylindrical surface of the sleeve. A cowl surrounds the spike nozzle member. It is fixed to the sleeve by brackets and may slide against a partial spherical surface on annular flanges surrounding the aperture of the aft closure dome, in sealed relationship therewith. Secondary hydraulic actuators, fixed to the radial arms on the sleeve bear against the recessed aft closure to rotate the sleeve, the cowl, and the spike nozzle member about the ball joint. The direction of the thrust vector of the rocket may be altered by this rotation, and its magnitude may be altered by axial movement of the spike nozzle member relative to its cowl.
REFERENCES:
patent: 2857119 (1958-10-01), Morguloff
patent: 2987879 (1961-06-01), Brown
patent: 3130544 (1964-04-01), Penza
patent: 3332243 (1967-07-01), Wilson
patent: 3402894 (1968-09-01), Wynosky et al.
patent: 3659789 (1972-05-01), Schultz
Marcus Stanley A.
McCullough Edward E.
Thiokol Corporation
Ward, Jr. Robert S.
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