DEVICE FOR CUT-OFF OF ROCKET ENGINE THRUST Russian patent published in 1997 - IPC

FIELD: combustion chambers of rocket engines. SUBSTANCE: device has holder mounted on nozzle unit and fixed relative to housing by means of fasteners. Flange of holder is provided with starting cone which makes it possible to center holder relative to housing of nozzle unit. In course of cut-off of thrust, cone forms circular wedge from stack of rings projecting inside housing. This wedge forms self-braking kinematic pair together with housing. Heights of projections of rings are different smoothly increasing in way of motion of holder. EFFECT: enhanced reliability. 5 dwg