LRE WITH PERIPHERAL RUDDERS AT NOZZLE CUT Russian patent published in 2022 - IPC F02K9/80 F02K9/97 

FIELD: liquid-propellant rocket engines.

SUBSTANCE: invention relates to liquid-propellant rocket engines (LRE), in which various controls located at the nozzle exit or inside it are used to control the thrust vector in flight. LRE with peripheral rudders at the nozzle exit, containing a chamber with a supersonic part of the nozzle, peripheral rudders installed in detachable trunnions at the nozzle exit, cooler inlet and outlet lines to the peripheral rudders, power frame and steering units, according to the presentation, peripheral rudders of variable thickness with channels cooling of the inner and outer surfaces are connected to a two-cavity axis of rotation for supply and withdrawal of the coolant, connected to the inlet and outlet lines, and on the outer surface there is a bracket connected to the steering units, fixed at the other end to the power frame.

EFFECT: invention provides an increase in the efficiency of the LRE, an increase in the service life and reusable use.

1 cl, 6 dwg