ADJUSTABLE NOZZLE OF TURBOJET Russian patent published in 2014 - IPC F02K1/12 

FIELD: motors and pumps.

SUBSTANCE: adjustable nozzle contains the external and internal rotating vanes located in circumferential direction with installed between them external and internal spacers. On the external surface of each internal spacer the rib is provisioned, located along its direct axis and joined with the groove of the bracket, installed in the back part of external spacer. In the front part of the external spacer the grooves oriented at the angle to its direct axis are provisioned, and the external louver is equipped with eyes located symmetrically to its direct axis, where the axles with rollers joined with grooves of external spacers are installed.

EFFECT: invention allows to improve reliability and resource of the nozzle at the expense of centring of both internal and external spacers with reference to adjoining louvers, improvement of precision of centring of internal spacers.

5 dwg