Patent ID: 11971004
Assignee: SCHLUMBERGER TECHNOLOGY CORPORATION
Field: Civil engineering (Other fields)
Classification: CPC F  E | IPC E  F

Claim 6:
7. A downhole turbine, comprising:
a hub comprising a wall, the wall comprising an inner surface, an outer surface, and an opening extending from the outer surface to the inner surface; and
a fin comprising:
a first portion disposed on the outer surface and comprises a leading edge of the fin and a hub locking feature; and
a second portion comprising a fin locking feature, a backing, a locating feature, and a tip of the fin, wherein:
the fin locking feature is disposed in the hub locking feature of the first portion;
the locating feature is disposed in the opening and engaged with a surface of the opening;
the backing is engaged with the inner surface; and
the tip is movable relative to the backing and the hub.