TURBINE PEDESTAL OF GAS TURBINE ENGINE Russian patent published in 2012 - IPC F02C7/06 F01D25/28 

FIELD: engines and pumps.

SUBSTANCE: turbine pedestal of gas turbine engine includes power supply racks inside one of which there located is cooling air supply pipe with distributing outlet branch pipe. Oil supply pipes are provided with air manifold installed on outer side of external pedestal housing. Inner air cavity of manifold is connected at the inlet to cooling air supply channel, and at the outlet through inlet perforation made in deflector to air cavity between cylindrical deflector of oil supply pipe and the pipe itself. Air cavity is connected at the outlet through outlet perforation made in deflector to air cavity of power supply rack. External flange of oil supply pipe is provided with a shank installed telescopically in radial direction in rectangular opening of manifold.

EFFECT: invention allows improving reliability of turbine pedestal of gas turbine engine.

6 dwg