COMPRESSOR STATOR OF GAS-TURBINE ENGINE Russian patent published in 2003 - IPC

FIELD: mechanical engineering. SUBSTANCE: proposed stator contains housing with turnable blades installed in housing. Turnable blades are connected by levers with drive ring through pins and antifriction bushings. Pins are secured on levers and fastened on drive ring through antifriction bushings with shoulders. Drive ring has open rectangular slots with emergency clearance on outer surface. Blade levers are fitted in slots. Shoulders of bushings are found on inner surface of drive ring. Two ring beads with holes are found on inner surface on drive ring. Z-shaped locks of bushings located opposite to shoulders are fitted in holes of ring beads. EFFECT: possibility of in-service repair on unit without applying to repair plants, and selective repair of each unit that has failed. 4 dwg