LOW-THRUST SINGLE-COMPONENT LIQUID-PROPELLANT ROCKET ENGINE Russian patent published in 2020 - IPC F02K9/68 

FIELD: astronautics.

SUBSTANCE: invention relates to space engineering and can be used in development of single-component liquid-propellant rocket engines included in low-traction power plants of satellites for orbital manoeuvring. Single-component low-thrust liquid-propellant rocket engine comprising fuel decomposition chamber with injector arranged therein along the axis with inner channel, at outlet end of which injection points are made, and nozzle, wherein the decomposition chamber is made in the form of an inlet spherical part filled with a granular catalyst and an outlet cylindrical part, the length of which is less than the diameter, and the diameter is less than the diameter of the inlet spherical part of the decomposition chamber, with a porous catalytic briquette placed in it, wherein the injector length is about 1/2 of the diameter of the spherical part of the fuel decomposition chamber. At the injector outlet end there is an end plug, made in the form of two cylinders of different diameters, and there are through longitudinal slots and deepening, wherein plug cylinder with smaller diameter enters into the recess with formation of a gap between its end surface and recess.

EFFECT: invention provides higher efficiency of decomposition of fuel and associated increase of flow rate of decomposition chamber and resource of engine as a whole.

1 cl, 4 dwg