SEAL OF GAS TURBINE ENGINE COMBUSTION CHAMBER-TO-STATOR JOINT

摘要

FIELD: engines and pumps.SUBSTANCE: proposed joint comprises combustion chamber seal ring and nozzle diaphragm lip. Said lip is secured at inner housing furnished with lock ring with floating ring. Seal ring and nozzle diaphragm lip form an annular clearance for air feed for film cooling of channel surfaces. Said floating ring has thrust collar. Nozzle diaphragm lip is equipped with guide ring to make annular clearance with nozzle diaphragm lip inner surface. Lip end abuts on flowing ring collar.EFFECT: stabilised clearance, reliable cooling of nozzle guide and operating vanes.2 cl, 2 dwg