FIELD: engines and pumps.
SUBSTANCE: in liquid-propellant engine containing a combustion chamber, a turbo-pump unit, a sealing assembly connected to a drain pipeline, a compressed gas bottle, according to the invention, the drain cavity is located between an oxidiser pump and a turbine; at that, the drain pipeline is equipped with a gas ejector connected to the compressed gas bottle.
EFFECT: increasing operating efficiency of the draining system of liquid-propellant engine cavities and removal of fuel components from them, which are accumulated as a result of unauthorised leakages.
1 dwg
