GAS-TURBINE ENGINE COMPRESSOR Russian patent published in 2001 - IPC

FIELD: manufacture of aircraft and ground gas-turbine engines. SUBSTANCE: engine compressor has bypass valves, inner and outer casings with holes bypassing air from guide vanes arranged in tandem, and three flanges that form front and rear air bypass cavities between inner and outer casings; novelty is that intermediate flange has zigzag-shaped radial wall and is telescopically mounted relative to inner casings, and also that bypass valves of front and rear cavities are mounted in radial planes and axially shifted through 0 to 30 mm. Flanges of bypass valves have no welded or riveted joints with outer casing of compressor. EFFECT: enhanced strength, reduced vibration and thermal stresses of compressor components. 3 dwg