FIELD: engines and pumps.
SUBSTANCE: invention relates to aircraft engine building, particularly, to design of turbomachinery axial compressor stator blades. Stator unit of axial compressor comprises outer shell ring 1, inner shell ring 2 and blades 3 with outer 4 and inner 5 shelves fixed in external 1 and inner 2 rings, respectively. Inner flanges 5 of blades 3 are conjugated with inner shell 2 with tightness along conical surface 7 and fixed therein by fastening elements 13 installed in coaxial holes 10 and 12, made respectively in inner flanges 5 and ledges 9 of inner shell. Axes of holes 10 and 12 are located radially relative to axis of vane assembly.
EFFECT: invention is aimed at enlarging the range of technical means – efficient and reliable blade blades of stator of axial compressor.
1 cl, 3 dwg
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Authors
Dates
2019-07-29—Published
2018-11-12—Filed