THREE-COMPONENT LIQUID-PROPELLANT ENGINE Russian patent published in 2013 - IPC F02K9/48 

FIELD: engines and pumps.

SUBSTANCE: three-component liquid-propellant engine includes a combustion chamber with a system for regenerative nozzle cooling with the second fuel, three turbopump units, including an oxidiser turbopump unit, a turbopump unit of the first fuel, a turbopump unit of the second fuel with the first pump of the second fuel; all the turbopump units include the main turbine; it also contains the second turbopump unit of the second fuel with the second pump of the second fuel, the outlet of which is connected via hot fuel pipeline to the inlet of the first pump of the second fuel; at that, turbopump unit of oxidiser, of the first fuel and the first turbopump unit of the second fuel have gas generators that are structurally combined with their turbopump units.

EFFECT: increasing specific characteristics and improving reliability of a liquid-propellant engine.

21 cl, 17 dwg