LIQUID-PROPELLANT THRUST CHAMBER NOZZLE Russian patent published in 1997 - IPC

FIELD: rocketry; manufacture of liquid-propellant rocket engines. SUBSTANCE: chamber of proposed nozzle contains outer and inner envelopes with longitudinal main ribs with additional ribs of lesser length located between them, thus forming cooling passage communicated with accumulating receiver through radial groove by means of through holes; header is located before taper bead made at nozzle exit section. Ends of main ribs in area of radial groove are of U-shaped form; through holes are located inside them. To enhance strength of nozzle one of two ribs forming U-shaped profile is connected with taper bead. EFFECT: enhanced strength and reliability of nozzle. 2 cl, 2 dwg