Two-position nozzle

Details Two-position nozzle Two-position nozzle

1977-01-14

1978-08-29

Marbert, James B.

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle

With erodible, frangible or fusible nozzle part

60242, B64D 3304

Patent

active

041098676

ABSTRACT:
A dual-position nozzle having a stationary outer support structure or thr holder and an inner sustain throat assembly which translates during boost-sustain transition is provided. The throat holder includes inner and outer metal support rings joined by three tubular struts. During boost operation, the sustain nozzle assembly is mechanically joined to the throat holder by a split beveled retaining ring which is engaged in a groove in the inner metal ring of the throat holder. Upon command, expanding gases act to withdraw a pin from a gap in the retaining ring permitting the sustain nozzle to translate under viscous and pressure forces to the sustain phase position.

REFERENCES:
patent: 3373940 (1968-03-01), Loprete et al.
patent: 3914935 (1975-10-01), Burkes, Jr.

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