Patent ID: 9303521
Filing Date: 2016-04-05
CPC Classification: F01D

Claim Text:
1. An interstage coverplate assembly for a turbine engine rotor assembly including a plurality of bladed rotor stages, each of the bladed rotor stages including a plurality of rotor blades connected to a rotor disk, the assembly comprising: an annular first coverplate including a plurality of coverplate tabs arranged circumferentially around an axial centerline, wherein the first coverplate is configured to engage a first of the bladed rotor stages; an annular second coverplate configured to engage a second of the bladed rotor stages; and an annular coverplate lock extending axially between and rotatably connecting the first and the second coverplates, the coverplate lock including a plurality of lock tabs arranged circumferentially around the centerline, wherein a first of the lock tabs circumferentially engages a first of the coverplate tabs.