Shroud honeycomb cutter

Details Shroud honeycomb cutter Shroud honeycomb cutter

2007-09-25

2007-09-25

Edgar, Richard A. (Department: 3745)

Fluid reaction surfaces (i.e., impellers)

Rotor having flow confining or deflecting web, shroud or...

Axially extending shroud ring or casing

C415S173600

Reexamination Certificate

active

11503779

ABSTRACT:
A turbine blade for use in a gas turbine engine is provided. The turbine blade includes an airfoil portion having a tip end, a shroud attached to the tip end, which shroud has an outer surface, and a knife edge attached to an outer surface of the shroud. The knife edge has a pair of cutter blades disposed substantially over an axis of the airfoil portion.

REFERENCES:
patent: 6491498 (2002-12-01), Seleski et al.
patent: 6805530 (2004-10-01), Urban
patent: 6890150 (2005-05-01), Tomberg
patent: 6913445 (2005-07-01), Beddard et al.
patent: 2005/0175453 (2005-08-01), Dube et al.
patent: 2005/0191182 (2005-09-01), Seleski
patent: 1561904 (2005-08-01), None
patent: 08-303204 (1996-11-01), None

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