LIQUID JET PROPULSION PLANT OF SPACECRAFT Russian patent published in 2018 - IPC F02K9/42 

FIELD: astronautics.

SUBSTANCE: invention relates to aerospace engineering. Liquid rocket propulsion system of a spacecraft, comprising a propulsion engine with a pumping system for supplying fuel components to the combustion chamber from volumetric low pressure tanks 1, orientation and stabilization engines 5 with feeding the fuel components to the combustion chambers from high pressure tanks 10, high-pressure tanks 10 are made small-volume and flow-through, separated by a movable airtight element – bellows 14 to liquid 11 and gas 15 cavities, wherein volume tanks 1 are further connected to liquid cavities 11 of small volume tanks 10 of lines 4, pumps 6 driven by electric motors 7 are installed in these lines 4, check valves 9, liquid cavities 11 of small volume tanks 10 are connected with inputs to motors 5 for orientation and stabilization, their gas cavities 15 are filled with a boost gas and hermetically remote from liquid cavities 11 of the tanks and the environment, and at the inputs of fuel supply lines to orientation and stabilization engines 5, pressure switches 12 of the upper and lower pressure level of the fuel components and pressure regulators 13 are sequentially installed.

EFFECT: invention provides a reduction in the mass of the structure of the propulsion system.

1 cl, 1 dwg