TURBO MACHINE STAGE, COMPRESSOR, TURBINE, TURBO MACHINE WITH SUCH STAGE AND STAGE LOCK Russian patent published in 2013 - IPC F01D25/24 

FIELD: machine building.

SUBSTANCE: turbo machine stage comprises vaned disc separated into sectors by ring secured to the housing and including circular ledge clamped in radial direction at annular rail by C-section locks. Every lock has inner and outer circular walls interconnected by radial wall. Said inner and outer walls comprises means of radial rest on ring ledge and housing rail extending to lock width or angular length parts. Lock inner and outer walls comprises, at least, one cutout extending radially to, at least, lock one fourth width or angular length. Other inventions of the set relate to compressor, turbine and turbo machine with, at least, one above described stage. One more invention relates to above described lock of turbo machine stage.

EFFECT: longer of life of turbo machine lock.

12 cl, 7 dwg