A sealing device for sealing a gap between a dovetail of a bucket assembly and a rotor wheel is disclosed. The sealing device includes a cover plate configured to cover the gap and a retention member protruding from the cover plate and configured to engage the dovetail. The sealing device provides a seal against the gap when the bucket assembly is subjected to a centrifugal force.
FEDERAL RESEARCH STATEMENT
This invention was made with Government support under contract number DE-FC26-05NT42643 awarded by the Department of Energy. The Government may have certain rights in the invention.