ASSEMBLY OF FIXED GUIDE VANES, COMPRESSOR OF GAS TURBINE ENGINE AND GAS TURBINE ENGINE Russian patent published in 2012 - IPC F01D9/04 F01D25/24 F04D29/54 

FIELD: machine building.

SUBSTANCE: assembly of fixed guide vanes is made in the form of a single part and includes two circular sectors passing coaxially, and two external lugs. Vanes connected to them pass between circular sectors. External lugs are made on external circular sector and pass in outward direction from it for installation of assembly of guide vanes on the casing. Front and rear edges of vanes are connected to zones of external circular sector, which are less stiff than zones connected to mounting lugs. External circular sector includes on its front end the first shoulder with which the front edges of lugs are connected, and on its rear end the second shoulder with rear edges of blades are connected. Front and rear shoulders are connected to each other and to the middle part of external circular sector; at that, middle part has thickness or radial size that is larger than thickness of front and rear shoulders. The other invention of the group refers to compressor of gas turbine engine, which includes annular row of fixed guide vanes, which is formed with the above assemblies of guide vanes. One more invention of the group refers to gas turbine engine containing the above compressor.

EFFECT: invention allows improving reliability of assembly of fixed guide vanes of gas turbine engine compressor.

5 cl, 5 dwg