GAS-TURBINE ENGINE COMBUSTION CHAMBER Russian patent published in 2001 - IPC

FIELD: gas-turbine engines. SUBSTANCE: gas-turbine engine combustion chamber has housing with circular segment-type double-walled perforated fire tube arranged inside it. Fire tube is provided with burners. Inner wall of fire tube is made from longitudinal segments provided with front and rear flanges which are connected with front and rear flanges of outer wall of fire tube. Front flanges of longitudinal segments are mounted between flanges of outer walls of fire tube on spherical spacer bushes. Rear flanges of longitudinal segments are located between rear flanges of outer walls of fire tube on spherical bushes supported by spacer cylindrical bushes for axial displacement. EFFECT: prolonged service life of combustion chamber. 3 cl, 4 dwg