STAY SECTOR OF STATOR SHROUD OF THE HIGH-PRESSURE TURBINE OF A GAS TURBINE ENGINE WITH CLEARANCE CONTROL

摘要

The invention concerns a shroud stay sector (14) for minimising working clearances (J) between the summit of the blades (3) and the ring (12) of the high-pressure turbine and mounting clearances of the shroud stay sectors (14) on the high-pressure turbine housing (1). Each shroud stay sector (14) has upstream a tab (20) comprising an end (21) supported on the inner wall (1l) of the high-pressure turbine housing (1) thereby producing a close contact between the parts fixing said shroud stay sector (14) with the corresponding parts of the high-pressure turbine. The invention is applicable to gas turbine engines equipping aircraft.