MIXING HEAD OF CHIRP CHAMBER, OPERATING ACCORDING TO SCHEME WITH AFTERBURNING OF GENERATOR GAS Russian patent published in 2021 - IPC F02K9/52 

FIELD: rocket equipment.

SUBSTANCE: invention relates to rocket engineering and can be used in creation of controlled rocket engines. Liquid-propellant chamber of the liquid-propellant engine operating according to the scheme with afterburning of the generator gas contains gas and liquid component supply branch pipes, housing and fire bottom with two-component nozzles fixed between them, according to invention nozzle of generator gas nozzle is made in form of Laval nozzle with annular ribbed inlet part, inside which there is spring-loaded shaped rod with end, which external surface interacts with inner surface of annular rib with inlet part, in rod end there are holes, on inlet side of nozzle into annular ribs inlet part is tightly installed back wall, and in the central part of the pin there is a hole, on the external surface of the butt end of the pin there are labyrinth grooves, the external surface of the butt end of the pin is coated with silver.

EFFECT: invention provides higher thrust impulse, as well as higher reliability of engine operation.

3 cl, 3 dwg