ANTI-ICING SYSTEM OF GAS TURBINE ENGINE Russian patent published in 2003 - IPC

FIELD: mechanical engineering; gas turbine engines. SUBSTANCE: anti-icing system of gas-turbine engine provided with axial multistage compressor with housing and working vanes contains main line communicating members to be heated with main source of heating air. System is furnished with additional heating air source made in form of receiver located on compressor housing. Working vanes of compressor, at least of one stage, are furnished with badge flanges on which additional vanes are installed at angle of mounting other than angle of mounting of working vanes. Additional vanes are located in receiver. Main check valve is installed in main line. Receiver can be placed in communication with atmosphere and main line between main valve and heated members by means of additional main line with check valve. EFFECT: provision of unfailing operation of anti-icing system. 2 dwg