ROTARY AXIALLY SYMMETRIC NOZZLE Russian patent published in 2001 - IPC

FIELD: mechanical and power engineering. SUBSTANCE: axially symmetric nozzle has contact seals and spherical tip of housing with rotary member secured on housing tip by cross axles. Rotary member has spherical screen and adjustable orifice. Ring radial ribs are made in middle part of spherical tip and in middle part of rotary member. Spherical tip is made in form of spherical housing with smooth outer surface and with inner ring radial ribs. EFFECT: improved reliability of nozzle owing to enhancing operation of contact seals and prevention of cooling air leaks. 3 dwg