LIQUID-PROPELLANT ENGINE Russian patent published in 2012 - IPC F02K9/62 

FIELD: engines and pumps.

SUBSTANCE: liquid-propellant engine includes annular chamber with mixing head including component supply units, coaxial spray injectors installed in units along concentric circles and containing a hollow tip connecting the cavity of one fuel component to combustion chamber cavity, sleeve enclosing the tip with a gap and connecting the cavity of the other fuel component to combustion chamber cavity. In outlet part of the tip there made are pylons interacting with inner sleeve surface and aligning the tip relative to the sleeve, plate nozzle of external expansion, shaped central body and annular critical section, control units and power supply units, which involve turbine-pump unit with turbine, and which are located in the cavity of shaped central body. The latter consists of several parts. At that, at least one part of shaped central body is provided with possibility of radial axisymmetrical rotation about longitudinal axis of shaped central body and is kinematically connected to power supply units. On its external surface there installed are blades for giving rotational movement to it. In pylons there made are channels one end of which opens to the tip cavity and the other one - to combustion chamber cavity.

EFFECT: increasing specific burst of power, simplifying pneumatic-hydraulic circuit, and increasing the pressure in chamber at minimum overall dimensions.

3 dwg