LIQUID-PROPELLANT ROCKET ENGINE Russian patent published in 1997 - IPC

FIELD: liquid-propellant rocket engines with combustion chamber at pumping in direction of motion. SUBSTANCE: liquid- propellant rocket engine has combustion chamber 1, gas generator 2, supply units 3,4,5, control units 6,7,8, pumping unit 9 and supply pipe lines 11 and 14 with bellows units; one bellows unit is located concentrically relative to pumping unit; it consists of two bellows 16 and 17 forming circular passage and manifolds 18 and 19 around pumping unit; circular manifolds are connected with fixed part 14 of pipe line and its movable part 15. EFFECT: enhanced reliability. 1 dwg