ROTARY AXISYMMETRIC NOZZLE OF TURBOJET ENGINE Russian patent published in 2018 - IPC F02K1/82 

FIELD: engines and pumps.

SUBSTANCE: nozzle comprises a fixed body with a spherical hollow tip and a rotary device mounted for rotating about the axis that is transverse to the longitudinal axis of the engine. The fixed body with the spherical tip and rotary device are provided with screens on the side of their inner surfaces forming a cooling channel. Inside the spherical hollow tip there are Z-shaped frames rigidly attached to the inner and outer surfaces of the tip. There are holes for passing cooling air configured on free surfaces of the frames and on the rear flange of the spherical hollow tip, and on the inner and outer surfaces of the spherical tip, as well as between the frames on its inner surface.

EFFECT: invention makes it possible to increase reliability of nozzle operation by providing more uniform cooling of the nozzle body spherical hollow tip.

3 dwg