Nozzle assembly for a reaction engine

Details Nozzle assembly for a reaction engine Nozzle assembly for a reaction engine

1981-12-02

1984-06-05

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Reaction motor discharge nozzle

With erodible, frangible or fusible nozzle part

23926527, F02K 142

Patent

active

044523955

ABSTRACT:
A reaction engine, such as a ramjet engine, has a nozzle assembly which maintains acceptable combustion chamber pressures during both high thrust and low thrust modes of flight. To this end, the engine has a primary nozzle in which a swing disc is located, and the disc turns from an open position in which it lies parallel to the axis of the primary nozzle to a closed position in which it lies across and blocks the primary nozzle. The disc contains secondary nozzles which are considerably smaller than the primary nozzle and are only effective when the disc is in its open position. The secondary nozzles may initially be filled with a flow smoothing material to prevent turbulence when the swing disc is in its initial open position, but this material is dislodged when the disc moves to its closed position.

REFERENCES:
patent: 2612747 (1952-10-01), Skinner
patent: 3036429 (1962-05-01), Schairer
patent: 3970253 (1976-07-01), Burkes et al.
patent: 4327868 (1982-05-01), Burkes, Jr.

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