FIELD: motors and pumps.
SUBSTANCE: invention relates to devices for supplying propellant to a rocket engine. Device (10A, 10B) for supplying propellant to the rocket engine comprises at least one propellant tank (10, 11), combustion chamber (18) and supply line (12, 13) extending from tank (10, 11) to chamber (18) to supply rocket propellant into the combustion chamber. Valve (14, 15) and main pump (16, 17) are disposed respectively along the supply line. Device further comprises at least one branch pump (20, 21, 120, 220) connected via a branch to the tank upstream of the valve to be supplied to auxiliary lina (22, 23, 122, 222) used in carrying out an auxiliary function of the rocket engine.
EFFECT: invention provides an increase in the efficiency of the rocket propellant take off into the auxiliary pipe used in carrying out the auxiliary function of the rocket engine.
11 cl, 5 dwg
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