Variable expansion ratio reaction engine

Details Variable expansion ratio reaction engine Variable expansion ratio reaction engine

1986-01-27

1987-11-24

Casaregola, Louis J.

Power plants

Reaction motor

Condition responsive thrust varying means

60271, 23926517, 23926523, F02K 130

Patent

active

047079819

ABSTRACT:
A reaction engine thrust chamber 12 is provided having non-mechanical means for varying the flow area of the rocket nozzle contingent upon the pressure environment, flight scenario and throttling demands. The non-mechanical means include a plurality of circumferentially and axially spaced injection ports 24 in cooperative relationship with control means 40 for selectively controlling a flow of fluid into the rocket nozzle throat section 18 of the thrust chamber.

REFERENCES:
patent: 2957306 (1960-10-01), Attinello
patent: 3010280 (1961-11-01), Hausmann
patent: 3374954 (1968-03-01), Card
patent: 3481543 (1969-12-01), Lovingham
patent: 3520478 (1970-07-01), Shaler
patent: 3925982 (1975-12-01), Mueller
patent: 4384694 (1983-05-01), Watanabe et al.
patent: 4606499 (1986-08-01), Langley

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