SLEEVE OF HINGE FOR BLADE WITH ADJUSTABLE SETTING ANGLE OF TURBOMACHINE, TURBOMACHINE RING CONTAINING SUCH SLEEVES, AS WELL AS COMPRESSOR OF TURBOMACHINE AND TURBOMACHINE CONTAINING SUCH RING Russian patent published in 2012 - IPC F01D17/14 F04D29/56 F01D9/02 

FIELD: machine building.

SUBSTANCE: sleeve of blade hinge with adjustable setting angle, which is installed into the cavity in turbomachine ring, includes tubular housing around longitudinal axis and devices preventing the rotation in the ring cavity. Tubular housing of sleeve has the first conical annular projection located on one of its ends and the other conical annular projection located on the opposite end. Conical surfaces formed with the first and the second annular projections face each other. Devices preventing the sleeve rotation in the ring cavity include the plate having at least one surface for establishment of flat contact with the corresponding surface of the plate for prevention of rotation of the neighbouring sleeve. One more invention of the group refers to turbomachine ring containing multiple cavities to arrange the hinge and multiple sleeves made as described above. Other inventions of the group refer to turbomachine compressor and turbomachine, each of which includes at least one of the above said rings.

EFFECT: inventions allow improving the quality of aligning the blade hinge in turbomachine ring.

12 cl, 9 dwg