TURBOJET VECTORABLE AXIALLY SYMMETRIC NOZZLE Russian patent published in 2014 - IPC F02K1/82 

FIELD: engines and pumps.

SUBSTANCE: this nozzle comprises stationary case with spherical shield arranged between stationary and moving cases. Slits between said shields and cases make the cooling air passages. Spherical case spherical shield is composed of sections arranged tangentially. Suspensions with holes in flanges are secured in pairs at two belts of every section to receive cylindrical pins rigidly secured to moving case. In one of said belts of one suspension the pin is fitted in the hole without clearance while in adjacent suspension the pin is fitted in oval hole made across the nozzle lengthwise axis. At other belt of one suspension the pin is fitted in oval hole made in lengthwise direction while at adjacent suspension the pin if fitted in cylindrical hole with uniform clearance.

EFFECT: higher engine reliability and efficiency of nozzle cooling.

3 dwg