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Rotor blades for turbine engines

United States Patent

February 12, 2013
View the Complete Patent at the US Patent & Trademark Office
A tip shroud that includes a plurality of damping fins, each damping fin including a substantially non-radially-aligned surface that is configured to make contact with a tip shroud of a neighboring rotor blade. At least one damping fin may include a leading edge damping fin and at least one damping fin may include a trailing edge damping fin. The leading edge damping fin may be configured to correspond to the trailing edge damping fin.
Piersall; Matthew R. (Greenville, SC), Potter; Brian D. (Greer, SC)
General Electric Company (Schenectady, NY)
12/ 533,378
July 31, 2009
This invention was made with Government support under Contract No. DE-FC26-05NT42643 awarded by the Department of Energy. The Government has certain rights in the invention.