Damper coverplate and sealing arrangement for turbine bucket shank

摘要

A bucket pair 76, 78 in a turbomachine includes a first bucket 56 having an airfoil and a shank 16; a second adjacent bucket 56 having a second airfoil 12 and a second shank 16 adjacent the first shank; a first axial slot 28 in the first shank; and an elongated, straight damper pin 58 adapted to seat in the first axial slot, the damper pin 58 formed with slanted forward and aft end faces 60, 62.