FIELD: rocket equipment.
SUBSTANCE: invention relates to rocket technology and can be used in the development of rocket engines. Rocket motor nozzle on roller support comprises fixed part, rotary part, rubber sealing ring sealing the volume of combustion chamber along spherical belt on turning part defining rotation center of the latter. Swivel part rests on the fixed part through intermediate movable support made in form of female swivel part of frame connected to rotating part by pair of roller mounts located on opposite sides of frame. Each roller hinge is series of cylindrical rollers rolling on cylindrical tracks, convex, located on turning part, and concave, located on intermediate mobile support. Intermediate movable support is connected to the fixed part by similar pair of roller hinges with convex paths on intermediate mobile support and with concave paths on the fixed part.
EFFECT: invention makes it possible to reduce mass of rocket engine nozzle of solid fuel by using cylindrical rollers as rolling bodies.
1 cl, 3 dwg
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