LOCK RING RETAINER TO RETAIN VANE AXIALLY, GAS TURBINE ENGINE DISK/RING ASSEMBLY, GAS TURBINE ENGINE ROTOR AND GAS TURBINE ENGINE Russian patent published in 2011 - IPC F01D5/30 F04D29/34 

FIELD: engines and pumps.

SUBSTANCE: proposed device comprises lock hooks arranged along rotor disk circumference to confine annular groove wherein lock ring if fitted. Lock hooks comprise first, second and third hooks. Second hook is arranged between first and third hooks, while lock ring comprises cutout and two ledges made on ring face on both sides of said cutout. Said ledges are located so that, with lock ring fitted in annular groove, two ledges thrust against first and third hooks and cutout is overlapped by second lock hook. Another invention of proposed set relates to assembly consists of gas turbine engine disk and lock ring produced as described above. Other invention of the set relate togas turbine engine and its rotor that comprise above described retainer and/or assembly comprising disk and ring.

EFFECT: reliable retention of vane on turbine rotor disk.

10 cl, 4 dwg